syzkaller login: [ 50.763439] audit: type=1400 audit(1518012724.529:7): avc: denied { map } for pid=4175 comm="syz-fuzzer" path="/root/syz-fuzzer" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[ 51.039276] audit: type=1400 audit(1518012724.805:8): avc: denied { map } for pid=4175 comm="syz-fuzzer" path="/sys/kernel/debug/kcov" dev="debugfs" ino=65 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1
[ 52.590946] can: request_module (can-proto-0) failed.
[ 52.599820] can: request_module (can-proto-0) failed.
[ 53.046625] audit: type=1400 audit(1518012726.812:9): avc: denied { map } for pid=4175 comm="syz-fuzzer" path="/root/syzkaller-shm767816845" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1
[ 53.073938] audit: type=1400 audit(1518012726.839:10): avc: denied { sys_admin } for pid=4215 comm="syz-executor0" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
[ 53.080563] IPVS: ftp: loaded support on port[0] = 21
[ 53.122203] audit: type=1400 audit(1518012726.887:11): avc: denied { net_admin } for pid=4218 comm="syz-executor0" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
[ 53.361820] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[ 53.769507] audit: type=1400 audit(1518012727.535:12): avc: denied { sys_chroot } for pid=4218 comm="syz-executor0" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts.
2018/02/07 14:12:14 parsed 1 programs
2018/02/07 14:12:14 executed programs: 0
[ 60.758525] IPVS: ftp: loaded support on port[0] = 21
[ 60.802828] IPVS: ftp: loaded support on port[0] = 21
[ 60.839459] IPVS: ftp: loaded support on port[0] = 21
[ 60.869246] ==================================================================
[ 60.876726] BUG: KASAN: use-after-free in pppol2tp_put_sk+0xa8/0xb0
[ 60.879108] IPVS: ftp: loaded support on port[0] = 21
[ 60.883116] Read of size 8 at addr ffff8801cf74fd88 by task syz-executor4/4367
[ 60.883122]
[ 60.883131] CPU: 1 PID: 4367 Comm: syz-executor4 Not tainted 4.15.0+ #29
[ 60.883136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 60.883141] Call Trace:
[ 60.915971]
[ 60.918120] dump_stack+0x194/0x257
[ 60.921747] ? arch_local_irq_restore+0x53/0x53
[ 60.926412] ? show_regs_print_info+0x18/0x18
[ 60.930908] ? pppol2tp_put_sk+0xa8/0xb0
[ 60.934969] print_address_description+0x73/0x250
[ 60.936739] IPVS: ftp: loaded support on port[0] = 21
[ 60.939799] ? pppol2tp_put_sk+0xa8/0xb0
[ 60.939814] kasan_report+0x25b/0x340
[ 60.939825] ? pppol2tp_seq_start+0x4e0/0x4e0
[ 60.939836] __asan_report_load8_noabort+0x14/0x20
[ 60.939843] pppol2tp_put_sk+0xa8/0xb0
[ 60.939857] rcu_process_callbacks+0xd6c/0x17f0
[ 60.970758] ? note_gp_changes+0x650/0x650
[ 60.974988] ? timerqueue_add+0x1e9/0x280
[ 60.979133] ? check_noncircular+0x20/0x20
[ 60.983366] ? enqueue_hrtimer+0x177/0x4b0
[ 60.987595] ? lock_release+0xa40/0xa40
[ 60.991573] ? __lock_is_held+0xb6/0x140
[ 60.995643] ? check_noncircular+0x20/0x20
[ 60.999877] ? clockevents_program_event+0x163/0x2e0
[ 61.004972] ? rebalance_domains+0xcc0/0xcc0
[ 61.009387] ? __lock_is_held+0xb6/0x140
[ 61.013467] __do_softirq+0x2d7/0xb85
[ 61.017260] ? ktime_get+0x26f/0x3a0
[ 61.020980] ? __irqentry_text_end+0x1f8d44/0x1f8d44
[ 61.021608] IPVS: ftp: loaded support on port[0] = 21
[ 61.026073] ? check_noncircular+0x20/0x20
[ 61.026083] ? native_apic_msr_write+0x5c/0x80
[ 61.026095] ? lapic_next_event+0x54/0x80
[ 61.026115] ? tick_program_event+0x83/0x100
[ 61.026131] ? __lock_is_held+0xb6/0x140
[ 61.026157] irq_exit+0x1cc/0x200
[ 61.026166] smp_apic_timer_interrupt+0x16b/0x700
[ 61.026171] ? smp_reschedule_interrupt+0xe6/0x670
[ 61.026179] ? smp_call_function_single_interrupt+0x640/0x640
[ 61.026185] ? _raw_spin_lock+0x32/0x40
[ 61.026196] ? _raw_spin_unlock+0x22/0x30
[ 61.026206] ? handle_edge_irq+0x2b4/0x7c0
[ 61.026217] ? task_prio+0x40/0x40
[ 61.026239] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 61.026254] apic_timer_interrupt+0xa9/0xb0
[ 61.026258]
[ 61.026266] RIP: 0010:update_stack_state+0x19f/0x700
[ 61.026269] RSP: 0018:ffff8801abd0f340 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff11
[ 61.026277] RAX: 0000000000000001 RBX: ffff8801abd0f498 RCX: 0000000000000001
[ 61.026281] RDX: 1ffff100357a1e9c RSI: ffff8801abd0f4b0 RDI: ffff8801abd0f4e0
[ 61.026284] RBP: ffff8801abd0f448 R08: ffffed00357a1ea0 R09: ffff8801abd0f4a8
[ 61.026288] R10: 000000000000000b R11: ffffed00357a1e9f R12: 1ffff100357a1e70
[ 61.026292] R13: ffffed00357a1e96 R14: dffffc0000000000 R15: ffff8801abd0f4a8
[ 61.026332] ? __read_once_size_nocheck.constprop.8+0x10/0x10
[ 61.105942] IPVS: ftp: loaded support on port[0] = 21
[ 61.111739] ? rcutorture_record_progress+0x10/0x10
[ 61.111771] __unwind_start+0xfd/0x330
[ 61.111783] ? __kernel_text_address+0xd/0x40
[ 61.111801] __save_stack_trace+0x4a/0xd0
[ 61.177031] save_stack_trace+0x1a/0x20
[ 61.180999] save_stack+0x43/0xd0
[ 61.184438] ? save_stack+0x43/0xd0
[ 61.188037] ? kasan_kmalloc+0xad/0xe0
[ 61.191907] ? kasan_slab_alloc+0x12/0x20
[ 61.196031] ? kmem_cache_alloc+0x11b/0x760
[ 61.200325] ? jbd2__journal_start+0x1d3/0x9f0
[ 61.204880] ? __ext4_journal_start_sb+0x15f/0x550
[ 61.209785] ? ext4_dirty_inode+0x56/0xa0
[ 61.213905] ? __mark_inode_dirty+0x915/0x1170
[ 61.218462] ? generic_update_time+0x2a2/0x370
[ 61.223018] ? touch_atime+0x26d/0x2f0
[ 61.226879] ? iterate_dir+0x451/0x530
[ 61.230738] ? SyS_getdents+0x225/0x450
[ 61.234688] ? entry_SYSCALL_64_fastpath+0x29/0xa0
[ 61.239597] ? print_irqtrace_events+0x270/0x270
[ 61.244336] ? print_irqtrace_events+0x270/0x270
[ 61.249066] ? __lock_is_held+0xb6/0x140
[ 61.253120] ? trace_event_raw_event_sched_switch+0x800/0x800
[ 61.258982] ? kasan_unpoison_shadow+0x35/0x50
[ 61.263540] kasan_kmalloc+0xad/0xe0
[ 61.267238] kasan_slab_alloc+0x12/0x20
[ 61.271184] kmem_cache_alloc+0x12e/0x760
[ 61.275303] ? __lock_is_held+0xb6/0x140
[ 61.279352] jbd2__journal_start+0x1d3/0x9f0
[ 61.283742] ? jbd2_write_access_granted.part.9+0x3a0/0x3a0
[ 61.289430] ? rcu_note_context_switch+0x710/0x710
[ 61.294334] ? __lock_is_held+0xb6/0x140
[ 61.298370] ? __might_sleep+0x95/0x190
[ 61.302320] ? ext4_setattr+0x2550/0x2550
[ 61.306442] ? _cond_resched+0x14/0x30
[ 61.310305] ? ext4_setattr+0x2550/0x2550
[ 61.314429] __ext4_journal_start_sb+0x15f/0x550
[ 61.319162] ? ext4_dirty_inode+0x56/0xa0
[ 61.323283] ? ext4_journal_abort_handle.isra.6+0x2a0/0x2a0
[ 61.328964] ? check_noncircular+0x20/0x20
[ 61.333175] ? __lock_is_held+0xb6/0x140
[ 61.337221] ? ext4_setattr+0x2550/0x2550
[ 61.341344] ext4_dirty_inode+0x56/0xa0
[ 61.345295] __mark_inode_dirty+0x915/0x1170
[ 61.349679] ? __inode_attach_wb+0xf70/0xf70
[ 61.354061] ? current_time+0x18/0xc0
[ 61.357839] ? lock_downgrade+0x980/0x980
[ 61.361969] ? print_irqtrace_events+0x270/0x270
[ 61.366706] ? current_time+0x18/0xc0
[ 61.370484] ? lock_downgrade+0x980/0x980
[ 61.374610] ? lock_release+0xa40/0xa40
[ 61.378564] ? mark_held_locks+0xaf/0x100
[ 61.382686] ? touch_atime+0x157/0x2f0
[ 61.386548] ? current_kernel_time64+0x122/0x2f0
[ 61.391282] ? trace_hardirqs_on_caller+0x421/0x5c0
[ 61.396271] ? trace_hardirqs_on+0xd/0x10
[ 61.400394] ? current_kernel_time64+0x1d4/0x2f0
[ 61.405127] generic_update_time+0x2a2/0x370
[ 61.409512] ? inode_dio_wait+0x530/0x530
[ 61.413630] ? do_umount+0xda0/0xda0
[ 61.417316] ? timespec_trunc+0x79/0xe0
[ 61.421273] touch_atime+0x26d/0x2f0
[ 61.424959] ? inode_dio_wait+0x530/0x530
[ 61.429078] ? inode_dio_wait+0x530/0x530
[ 61.433198] ? __atime_needs_update+0xb40/0xb40
[ 61.437842] ? fsnotify_first_mark+0x2b0/0x2b0
[ 61.442411] iterate_dir+0x451/0x530
[ 61.446104] SyS_getdents+0x225/0x450
[ 61.449879] ? SyS_old_readdir+0x230/0x230
[ 61.454086] ? fillonedir+0x250/0x250
[ 61.457861] ? trace_hardirqs_on_caller+0x421/0x5c0
[ 61.462852] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 61.467590] entry_SYSCALL_64_fastpath+0x29/0xa0
[ 61.472317] RIP: 0033:0x4517db
[ 61.475479] RSP: 002b:00007ffcc43e8790 EFLAGS: 00000206 ORIG_RAX: 000000000000004e
[ 61.483163] RAX: ffffffffffffffda RBX: 00000000006fc0c0 RCX: 00000000004517db
[ 61.490407] RDX: 0000000000008000 RSI: 00000000016e0970 RDI: 0000000000000000
[ 61.497651] RBP: 0000000000008041 R08: 0000000000000001 R09: 00000000016df940
[ 61.504896] R10: 0000000000000000 R11: 0000000000000206 R12: 00000000006fc118
[ 61.512140] R13: 00000000006fc118 R14: 000000000000edb2 R15: 0000000000002710
[ 61.519386] ? entry_SYSCALL_64_fastpath+0x29/0xa0
[ 61.524302]
[ 61.525901] Allocated by task 4382:
[ 61.529504] save_stack+0x43/0xd0
[ 61.532927] kasan_kmalloc+0xad/0xe0
[ 61.536612] __kmalloc+0x162/0x760
[ 61.540125] l2tp_session_create+0x100/0xe50
[ 61.544508] pppol2tp_session_prep+0x2fc/0xa40
[ 61.549063] pppol2tp_connect+0x74a/0x1550
[ 61.553273] SYSC_connect+0x213/0x4a0
[ 61.557043] SyS_connect+0x24/0x30
[ 61.560556] entry_SYSCALL_64_fastpath+0x29/0xa0
[ 61.565287]
[ 61.566889] Freed by task 4367:
[ 61.570139] save_stack+0x43/0xd0
[ 61.573568] kasan_slab_free+0x71/0xc0
[ 61.577426] kfree+0xd6/0x260
[ 61.580507] pppol2tp_put_sk+0x4c/0xb0
[ 61.584369] rcu_process_callbacks+0xd6c/0x17f0
[ 61.589010] __do_softirq+0x2d7/0xb85
[ 61.592782]
[ 61.594383] The buggy address belongs to the object at ffff8801cf74fb00
[ 61.594383] which belongs to the cache kmalloc-1024 of size 1024
[ 61.607182] The buggy address is located 648 bytes inside of
[ 61.607182] 1024-byte region [ffff8801cf74fb00, ffff8801cf74ff00)
[ 61.619116] The buggy address belongs to the page:
[ 61.624023] page:ffffea00073dd380 count:1 mapcount:0 mapping:ffff8801cf74e000 index:0x0 compound_mapcount: 0
[ 61.633967] flags: 0x2fffc0000008100(slab|head)
[ 61.638608] raw: 02fffc0000008100 ffff8801cf74e000 0000000000000000 0000000100000007
[ 61.646460] raw: ffffea00073c3b20 ffffea00073df820 ffff8801db000ac0 0000000000000000
[ 61.654308] page dumped because: kasan: bad access detected
[ 61.659989]
[ 61.661590] Memory state around the buggy address:
[ 61.666490] ffff8801cf74fc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 61.673822] ffff8801cf74fd00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 61.681151] >ffff8801cf74fd80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 61.688481] ^
[ 61.692077] ffff8801cf74fe00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 61.699409] ffff8801cf74fe80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 61.706736] ==================================================================
[ 61.714062] Disabling lock debugging due to kernel taint
[ 61.719520] Kernel panic - not syncing: panic_on_warn set ...
[ 61.719520]
[ 61.726861] CPU: 1 PID: 4367 Comm: syz-executor4 Tainted: G B 4.15.0+ #29
[ 61.734982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 61.744314] Call Trace:
[ 61.746869]
[ 61.748993] dump_stack+0x194/0x257
[ 61.752597] ? arch_local_irq_restore+0x53/0x53
[ 61.757238] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 61.761964] ? vsnprintf+0x1ed/0x1900
[ 61.765739] ? pppol2tp_seq_start+0x4b0/0x4e0
[ 61.770208] panic+0x1e4/0x41c
[ 61.773374] ? refcount_error_report+0x214/0x214
[ 61.778106] ? add_taint+0x1c/0x50
[ 61.781618] ? add_taint+0x1c/0x50
[ 61.785128] ? pppol2tp_put_sk+0xa8/0xb0
[ 61.789160] kasan_end_report+0x50/0x50
[ 61.793106] kasan_report+0x144/0x340
[ 61.796877] ? pppol2tp_seq_start+0x4e0/0x4e0
[ 61.801347] __asan_report_load8_noabort+0x14/0x20
[ 61.806248] pppol2tp_put_sk+0xa8/0xb0
[ 61.810107] rcu_process_callbacks+0xd6c/0x17f0
[ 61.814751] ? note_gp_changes+0x650/0x650
[ 61.818954] ? timerqueue_add+0x1e9/0x280
[ 61.823077] ? check_noncircular+0x20/0x20
[ 61.827282] ? enqueue_hrtimer+0x177/0x4b0
[ 61.831486] ? lock_release+0xa40/0xa40
[ 61.835434] ? __lock_is_held+0xb6/0x140
[ 61.839472] ? check_noncircular+0x20/0x20
[ 61.843682] ? clockevents_program_event+0x163/0x2e0
[ 61.848757] ? rebalance_domains+0xcc0/0xcc0
[ 61.853140] ? __lock_is_held+0xb6/0x140
[ 61.857179] __do_softirq+0x2d7/0xb85
[ 61.860954] ? ktime_get+0x26f/0x3a0
[ 61.864644] ? __irqentry_text_end+0x1f8d44/0x1f8d44
[ 61.869720] ? check_noncircular+0x20/0x20
[ 61.873929] ? native_apic_msr_write+0x5c/0x80
[ 61.878484] ? lapic_next_event+0x54/0x80
[ 61.882608] ? tick_program_event+0x83/0x100
[ 61.886989] ? __lock_is_held+0xb6/0x140
[ 61.891029] irq_exit+0x1cc/0x200
[ 61.894453] smp_apic_timer_interrupt+0x16b/0x700
[ 61.899268] ? smp_reschedule_interrupt+0xe6/0x670
[ 61.904169] ? smp_call_function_single_interrupt+0x640/0x640
[ 61.910027] ? _raw_spin_lock+0x32/0x40
[ 61.913974] ? _raw_spin_unlock+0x22/0x30
[ 61.918091] ? handle_edge_irq+0x2b4/0x7c0
[ 61.922299] ? task_prio+0x40/0x40
[ 61.925819] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 61.930639] apic_timer_interrupt+0xa9/0xb0
[ 61.934931]
[ 61.937143] RIP: 0010:update_stack_state+0x19f/0x700
[ 61.942214] RSP: 0018:ffff8801abd0f340 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff11
[ 61.949895] RAX: 0000000000000001 RBX: ffff8801abd0f498 RCX: 0000000000000001
[ 61.957138] RDX: 1ffff100357a1e9c RSI: ffff8801abd0f4b0 RDI: ffff8801abd0f4e0
[ 61.964383] RBP: ffff8801abd0f448 R08: ffffed00357a1ea0 R09: ffff8801abd0f4a8
[ 61.971622] R10: 000000000000000b R11: ffffed00357a1e9f R12: 1ffff100357a1e70
[ 61.978862] R13: ffffed00357a1e96 R14: dffffc0000000000 R15: ffff8801abd0f4a8
[ 61.986119] ? __read_once_size_nocheck.constprop.8+0x10/0x10
[ 61.991976] ? rcutorture_record_progress+0x10/0x10
[ 61.996971] __unwind_start+0xfd/0x330
[ 62.000832] ? __kernel_text_address+0xd/0x40
[ 62.005302] __save_stack_trace+0x4a/0xd0
[ 62.009427] save_stack_trace+0x1a/0x20
[ 62.013373] save_stack+0x43/0xd0
[ 62.016801] ? save_stack+0x43/0xd0
[ 62.020401] ? kasan_kmalloc+0xad/0xe0
[ 62.024258] ? kasan_slab_alloc+0x12/0x20
[ 62.028377] ? kmem_cache_alloc+0x11b/0x760
[ 62.032673] ? jbd2__journal_start+0x1d3/0x9f0
[ 62.037227] ? __ext4_journal_start_sb+0x15f/0x550
[ 62.042129] ? ext4_dirty_inode+0x56/0xa0
[ 62.046252] ? __mark_inode_dirty+0x915/0x1170
[ 62.050806] ? generic_update_time+0x2a2/0x370
[ 62.055356] ? touch_atime+0x26d/0x2f0
[ 62.059213] ? iterate_dir+0x451/0x530
[ 62.063069] ? SyS_getdents+0x225/0x450
[ 62.067016] ? entry_SYSCALL_64_fastpath+0x29/0xa0
[ 62.071918] ? print_irqtrace_events+0x270/0x270
[ 62.076646] ? print_irqtrace_events+0x270/0x270
[ 62.081372] ? __lock_is_held+0xb6/0x140
[ 62.085411] ? trace_event_raw_event_sched_switch+0x800/0x800
[ 62.091270] ? kasan_unpoison_shadow+0x35/0x50
[ 62.095824] kasan_kmalloc+0xad/0xe0
[ 62.099512] kasan_slab_alloc+0x12/0x20
[ 62.103458] kmem_cache_alloc+0x12e/0x760
[ 62.107574] ? __lock_is_held+0xb6/0x140
[ 62.111613] jbd2__journal_start+0x1d3/0x9f0
[ 62.115993] ? jbd2_write_access_granted.part.9+0x3a0/0x3a0
[ 62.121681] ? rcu_note_context_switch+0x710/0x710
[ 62.126583] ? __lock_is_held+0xb6/0x140
[ 62.130618] ? __might_sleep+0x95/0x190
[ 62.134563] ? ext4_setattr+0x2550/0x2550
[ 62.138686] ? _cond_resched+0x14/0x30
[ 62.142545] ? ext4_setattr+0x2550/0x2550
[ 62.146666] __ext4_journal_start_sb+0x15f/0x550
[ 62.151393] ? ext4_dirty_inode+0x56/0xa0
[ 62.155512] ? ext4_journal_abort_handle.isra.6+0x2a0/0x2a0
[ 62.161193] ? check_noncircular+0x20/0x20
[ 62.165400] ? __lock_is_held+0xb6/0x140
[ 62.169439] ? ext4_setattr+0x2550/0x2550
[ 62.173558] ext4_dirty_inode+0x56/0xa0
[ 62.177504] __mark_inode_dirty+0x915/0x1170
[ 62.181885] ? __inode_attach_wb+0xf70/0xf70
[ 62.186262] ? current_time+0x18/0xc0
[ 62.190033] ? lock_downgrade+0x980/0x980
[ 62.194157] ? print_irqtrace_events+0x270/0x270
[ 62.198889] ? current_time+0x18/0xc0
[ 62.202663] ? lock_downgrade+0x980/0x980
[ 62.206787] ? lock_release+0xa40/0xa40
[ 62.210735] ? mark_held_locks+0xaf/0x100
[ 62.214851] ? touch_atime+0x157/0x2f0
[ 62.218710] ? current_kernel_time64+0x122/0x2f0
[ 62.223437] ? trace_hardirqs_on_caller+0x421/0x5c0
[ 62.228425] ? trace_hardirqs_on+0xd/0x10
[ 62.232543] ? current_kernel_time64+0x1d4/0x2f0
[ 62.237271] generic_update_time+0x2a2/0x370
[ 62.241651] ? inode_dio_wait+0x530/0x530
[ 62.245769] ? do_umount+0xda0/0xda0
[ 62.249453] ? timespec_trunc+0x79/0xe0
[ 62.253406] touch_atime+0x26d/0x2f0
[ 62.257091] ? inode_dio_wait+0x530/0x530
[ 62.261210] ? inode_dio_wait+0x530/0x530
[ 62.265331] ? __atime_needs_update+0xb40/0xb40
[ 62.269973] ? fsnotify_first_mark+0x2b0/0x2b0
[ 62.274533] iterate_dir+0x451/0x530
[ 62.278221] SyS_getdents+0x225/0x450
[ 62.281996] ? SyS_old_readdir+0x230/0x230
[ 62.286203] ? fillonedir+0x250/0x250
[ 62.289975] ? trace_hardirqs_on_caller+0x421/0x5c0
[ 62.294964] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 62.299695] entry_SYSCALL_64_fastpath+0x29/0xa0
[ 62.304423] RIP: 0033:0x4517db
[ 62.307583] RSP: 002b:00007ffcc43e8790 EFLAGS: 00000206 ORIG_RAX: 000000000000004e
[ 62.315260] RAX: ffffffffffffffda RBX: 00000000006fc0c0 RCX: 00000000004517db
[ 62.322500] RDX: 0000000000008000 RSI: 00000000016e0970 RDI: 0000000000000000
[ 62.329743] RBP: 0000000000008041 R08: 0000000000000001 R09: 00000000016df940
[ 62.336983] R10: 0000000000000000 R11: 0000000000000206 R12: 00000000006fc118
[ 62.344230] R13: 00000000006fc118 R14: 000000000000edb2 R15: 0000000000002710
[ 62.351478] ? entry_SYSCALL_64_fastpath+0x29/0xa0
[ 62.356783] Dumping ftrace buffer:
[ 62.360296] (ftrace buffer empty)
[ 62.363975] Kernel Offset: disabled
[ 62.367569] Rebooting in 86400 seconds..