[....] Starting enhanced syslogd: rsyslogd[ 12.788889] audit: type=1400 audit(1517221171.570:5): avc: denied { syslog } for pid=3525 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 19.444384] audit: type=1400 audit(1517221178.226:6): avc: denied { map } for pid=3664 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.11' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 33.678989] audit: type=1400 audit(1517221192.460:7): avc: denied { map } for pid=3680 comm="syzkaller770396" path="/root/syzkaller770396171" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.211398] ================================================================== [ 37.218819] BUG: KASAN: use-after-free in xt_rateest_put+0x2e3/0x300 [ 37.226320] Write of size 8 at addr ffff8801d4d40e58 by task syzkaller770396/3682 [ 37.233914] [ 37.235520] CPU: 1 PID: 3682 Comm: syzkaller770396 Not tainted 4.15.0-rc9+ #284 [ 37.242950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.252276] Call Trace: [ 37.254840] dump_stack+0x194/0x257 [ 37.258446] ? arch_local_irq_restore+0x53/0x53 [ 37.263093] ? show_regs_print_info+0x18/0x18 [ 37.267566] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 37.272643] ? xt_rateest_put+0x2e3/0x300 [ 37.276765] print_address_description+0x73/0x250 [ 37.281582] ? xt_rateest_put+0x2e3/0x300 [ 37.285710] kasan_report+0x25b/0x340 [ 37.289489] __asan_report_store8_noabort+0x17/0x20 [ 37.294476] xt_rateest_put+0x2e3/0x300 [ 37.298426] ? xt_rateest_tg+0x1d0/0x1d0 [ 37.302461] ? cpumask_next+0x24/0x30 [ 37.306243] ? __lock_is_held+0xb6/0x140 [ 37.310279] ? xt_rateest_put+0x300/0x300 [ 37.314398] xt_rateest_tg_destroy+0x50/0x70 [ 37.318782] cleanup_entry+0x242/0x380 [ 37.322646] ? cleanup_match+0x220/0x220 [ 37.326687] ? find_next_bit+0x27/0x30 [ 37.330552] __do_replace+0x7e6/0xab0 [ 37.334342] ? compat_table_info+0x4a0/0x4a0 [ 37.338730] ? kasan_check_write+0x14/0x20 [ 37.342937] ? _copy_from_user+0x99/0x110 [ 37.347063] do_ip6t_set_ctl+0x40f/0x5f0 [ 37.351103] ? translate_compat_table+0x1c50/0x1c50 [ 37.356105] ? mutex_unlock+0xd/0x10 [ 37.359793] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 37.365049] nf_setsockopt+0x67/0xc0 [ 37.368741] ipv6_setsockopt+0x115/0x150 [ 37.372781] udpv6_setsockopt+0x45/0x80 [ 37.376731] sock_common_setsockopt+0x95/0xd0 [ 37.381204] SyS_setsockopt+0x189/0x360 [ 37.385159] ? SyS_recv+0x40/0x40 [ 37.388589] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 37.393406] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.398396] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.403134] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 37.407862] RIP: 0033:0x4412d9 [ 37.411025] RSP: 002b:00007fffb8cbf5f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 37.418719] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00000000004412d9 [ 37.425960] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000326 [ 37.433202] RBP: f6fcce9cd855ec40 R08: 00000000000003b8 R09: 0000000000000000 [ 37.440445] R10: 0000000020019c48 R11: 0000000000000203 R12: fbfe5b6031634428 [ 37.447693] R13: 5826b2d59f7fe9a1 R14: fd7217c033abf8b5 R15: 0000000000000000 [ 37.454956] [ 37.456561] Allocated by task 3687: [ 37.460161] save_stack+0x43/0xd0 [ 37.463583] kasan_kmalloc+0xad/0xe0 [ 37.467267] kmem_cache_alloc_trace+0x136/0x750 [ 37.471908] xt_rateest_tg_checkentry+0x25a/0xaa0 [ 37.476721] xt_check_target+0x22c/0x7d0 [ 37.480756] find_check_entry.isra.7+0x935/0xcf0 [ 37.485481] translate_table+0xf52/0x1690 [ 37.489598] do_ip6t_set_ctl+0x370/0x5f0 [ 37.493633] nf_setsockopt+0x67/0xc0 [ 37.497324] ipv6_setsockopt+0x115/0x150 [ 37.501357] udpv6_setsockopt+0x45/0x80 [ 37.505302] sock_common_setsockopt+0x95/0xd0 [ 37.509766] SyS_setsockopt+0x189/0x360 [ 37.513711] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 37.518437] [ 37.520037] Freed by task 3682: [ 37.523288] save_stack+0x43/0xd0 [ 37.526710] kasan_slab_free+0x71/0xc0 [ 37.530572] kfree+0xd6/0x260 [ 37.533652] rcu_process_callbacks+0xe94/0x17f0 [ 37.538290] __do_softirq+0x2d7/0xb85 [ 37.542060] [ 37.543659] The buggy address belongs to the object at ffff8801d4d40e00 [ 37.543659] which belongs to the cache kmalloc-192 of size 192 [ 37.556286] The buggy address is located 88 bytes inside of [ 37.556286] 192-byte region [ffff8801d4d40e00, ffff8801d4d40ec0) [ 37.568053] The buggy address belongs to the page: [ 37.572957] page:ffffea0007535000 count:1 mapcount:0 mapping:ffff8801d4d40000 index:0x0 [ 37.581077] flags: 0x2fffc0000000100(slab) [ 37.585288] raw: 02fffc0000000100 ffff8801d4d40000 0000000000000000 0000000100000010 [ 37.593146] raw: ffffea00075251e0 ffff8801dac01148 ffff8801dac00040 0000000000000000 [ 37.601002] page dumped because: kasan: bad access detected [ 37.606693] [ 37.608294] Memory state around the buggy address: [ 37.613195] ffff8801d4d40d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.620530] ffff8801d4d40d80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 37.627867] >ffff8801d4d40e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.635197] ^ [ 37.641401] ffff8801d4d40e80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 37.648732] ffff8801d4d40f00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 37.656059] ================================================================== [ 37.663387] Disabling lock debugging due to kernel taint [ 37.668880] Kernel panic - not syncing: panic_on_warn set ... [ 37.668880] [ 37.676222] CPU: 1 PID: 3682 Comm: syzkaller770396 Tainted: G B 4.15.0-rc9+ #284 [ 37.684939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.694265] Call Trace: [ 37.696829] dump_stack+0x194/0x257 [ 37.700431] ? arch_local_irq_restore+0x53/0x53 [ 37.705075] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.709804] ? vsnprintf+0x1ed/0x1900 [ 37.713577] ? xt_rateest_put+0x250/0x300 [ 37.717699] panic+0x1e4/0x41c [ 37.720861] ? refcount_error_report+0x214/0x214 [ 37.725589] ? add_taint+0x1c/0x50 [ 37.729099] ? add_taint+0x1c/0x50 [ 37.732620] ? xt_rateest_put+0x2e3/0x300 [ 37.736743] kasan_end_report+0x50/0x50 [ 37.740689] kasan_report+0x144/0x340 [ 37.744463] __asan_report_store8_noabort+0x17/0x20 [ 37.749450] xt_rateest_put+0x2e3/0x300 [ 37.753399] ? xt_rateest_tg+0x1d0/0x1d0 [ 37.757432] ? cpumask_next+0x24/0x30 [ 37.761206] ? __lock_is_held+0xb6/0x140 [ 37.765237] ? xt_rateest_put+0x300/0x300 [ 37.769354] xt_rateest_tg_destroy+0x50/0x70 [ 37.773734] cleanup_entry+0x242/0x380 [ 37.777595] ? cleanup_match+0x220/0x220 [ 37.781631] ? find_next_bit+0x27/0x30 [ 37.785498] __do_replace+0x7e6/0xab0 [ 37.789280] ? compat_table_info+0x4a0/0x4a0 [ 37.793662] ? kasan_check_write+0x14/0x20 [ 37.797869] ? _copy_from_user+0x99/0x110 [ 37.801988] do_ip6t_set_ctl+0x40f/0x5f0 [ 37.806027] ? translate_compat_table+0x1c50/0x1c50 [ 37.811025] ? mutex_unlock+0xd/0x10 [ 37.814713] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 37.819963] nf_setsockopt+0x67/0xc0 [ 37.823650] ipv6_setsockopt+0x115/0x150 [ 37.827686] udpv6_setsockopt+0x45/0x80 [ 37.831637] sock_common_setsockopt+0x95/0xd0 [ 37.836104] SyS_setsockopt+0x189/0x360 [ 37.840051] ? SyS_recv+0x40/0x40 [ 37.843476] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 37.848289] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.853280] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 37.858016] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 37.862741] RIP: 0033:0x4412d9 [ 37.865900] RSP: 002b:00007fffb8cbf5f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 37.873578] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00000000004412d9 [ 37.880818] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000326 [ 37.888061] RBP: f6fcce9cd855ec40 R08: 00000000000003b8 R09: 0000000000000000 [ 37.895304] R10: 0000000020019c48 R11: 0000000000000203 R12: fbfe5b6031634428 [ 37.902547] R13: 5826b2d59f7fe9a1 R14: fd7217c033abf8b5 R15: 0000000000000000 [ 37.910228] Dumping ftrace buffer: [ 37.913740] (ftrace buffer empty) [ 37.917422] Kernel Offset: disabled [ 37.921016] Rebooting in 86400 seconds..