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Message-ID: <671cedcb.050a0220.2b8c0f.01b1.GAE@google.com> Date: Sat, 26 Oct 2024 06:25:31 -0700 From: syzbot <syzbot+34463a129786910405dd@...kaller.appspotmail.com> To: johannes@...solutions.net, linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org, netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com Subject: [syzbot] [wireless?] WARNING in __rate_control_send_low (3) Hello, syzbot found the following issue on: HEAD commit: b423f5a9a61f Merge tag 'acpi-6.12-rc5' of git://git.kernel.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13307287980000 kernel config: https://syzkaller.appspot.com/x/.config?x=fd919c0fc1af4272 dashboard link: https://syzkaller.appspot.com/bug?extid=34463a129786910405dd compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/49d1d501eff9/disk-b423f5a9.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/f973ba06cb5d/vmlinux-b423f5a9.xz kernel image: https://storage.googleapis.com/syzbot-assets/a97302c30f3f/bzImage-b423f5a9.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+34463a129786910405dd@...kaller.appspotmail.com ------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40 WARNING: CPU: 1 PID: 8687 at net/mac80211/rate.c:385 __rate_control_send_low+0x659/0x890 net/mac80211/rate.c:380 Modules linked in: CPU: 1 UID: 0 PID: 8687 Comm: syz-executor Not tainted 6.12.0-rc4-syzkaller-00245-gb423f5a9a61f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__rate_control_send_low+0x659/0x890 net/mac80211/rate.c:380 Code: 8b 14 24 0f 85 de 01 00 00 8b 0a 48 c7 c7 60 a2 29 8d 48 8b 74 24 10 44 89 f2 44 8b 44 24 1c 44 8b 4c 24 0c e8 08 3a 27 f6 90 <0f> 0b 90 90 e9 71 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c db RSP: 0018:ffffc90000a18760 EFLAGS: 00010246 RAX: aaade33c9e18e500 RBX: 000000000000000c RCX: ffff88802e721e00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88807ff708e8 R08: ffffffff8155e372 R09: fffffbfff1cf9fe0 R10: dffffc0000000000 R11: fffffbfff1cf9fe0 R12: 0000000000000800 R13: 000000000000000c R14: 00000000ffffffff R15: dffffc0000000000 FS: 000055556cf87500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fda1a8656c0 CR3: 000000004651a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> rate_control_send_low+0x1a8/0x770 net/mac80211/rate.c:405 rate_control_get_rate+0x20e/0x5e0 net/mac80211/rate.c:921 ieee80211_beacon_get_finish+0x49e/0x870 net/mac80211/tx.c:5253 __ieee80211_beacon_get+0xf7e/0x15c0 ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5594 ieee80211_beacon_get include/net/mac80211.h:5607 [inline] mac80211_hwsim_beacon_tx+0x39d/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2311 __iterate_interfaces+0x222/0x510 net/mac80211/util.c:774 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:810 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1691 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1755 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1772 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5829 Code: 2b 00 74 08 4c 89 f7 e8 da 2a 8b 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 RSP: 0018:ffffc90003a97060 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff92000752e18 RCX: aaade33c9e18e500 RDX: dffffc0000000000 RSI: ffffffff8c0adcc0 RDI: ffffffff8c602f60 RBP: ffffc90003a971b0 R08: ffffffff94297807 R09: 1ffffffff2852f00 R10: dffffc0000000000 R11: fffffbfff2852f01 R12: 1ffff92000752e14 R13: dffffc0000000000 R14: ffffc90003a970c0 R15: 0000000000000246 rcu_lock_acquire include/linux/rcupdate.h:337 [inline] rcu_read_lock_sched include/linux/rcupdate.h:941 [inline] pfn_valid+0x113/0x450 include/linux/mmzone.h:2043 page_table_check_set+0x22/0x540 mm/page_table_check.c:110 __page_table_check_ptes_set+0x30f/0x410 mm/page_table_check.c:225 page_table_check_ptes_set include/linux/page_table_check.h:74 [inline] set_ptes include/linux/pgtable.h:267 [inline] __copy_present_ptes mm/memory.c:969 [inline] copy_present_ptes mm/memory.c:1052 [inline] copy_pte_range mm/memory.c:1167 [inline] copy_pmd_range+0x4773/0x85f0 mm/memory.c:1255 copy_pud_range mm/memory.c:1292 [inline] copy_p4d_range mm/memory.c:1316 [inline] copy_page_range+0x99f/0xe90 mm/memory.c:1414 dup_mmap kernel/fork.c:750 [inline] dup_mm kernel/fork.c:1674 [inline] copy_mm+0x11fb/0x1f40 kernel/fork.c:1723 copy_process+0x1845/0x3d50 kernel/fork.c:2372 kernel_clone+0x223/0x880 kernel/fork.c:2784 __do_sys_clone kernel/fork.c:2927 [inline] __se_sys_clone kernel/fork.c:2911 [inline] __x64_sys_clone+0x258/0x2a0 kernel/fork.c:2911 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fda19b74f93 Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffd5c989de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fda19b74f93 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 000055556cf877d0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000074fbe R14: 0000000000074f90 R15: 00007ffd5c989f70 </TASK> ---------------- Code disassembly (best guess): 0: 2b 00 sub (%rax),%eax 2: 74 08 je 0xc 4: 4c 89 f7 mov %r14,%rdi 7: e8 da 2a 8b 00 call 0x8b2ae6 c: f6 44 24 61 02 testb $0x2,0x61(%rsp) 11: 0f 85 85 01 00 00 jne 0x19c 17: 41 f7 c7 00 02 00 00 test $0x200,%r15d 1e: 74 01 je 0x21 20: fb sti 21: 48 c7 44 24 40 0e 36 movq $0x45e0360e,0x40(%rsp) 28: e0 45 * 2a: 4b c7 44 25 00 00 00 movq $0x0,0x0(%r13,%r12,1) <-- trapping instruction 31: 00 00 33: 43 c7 44 25 09 00 00 movl $0x0,0x9(%r13,%r12,1) 3a: 00 00 3c: 43 rex.XB 3d: c7 .byte 0xc7 3e: 44 rex.R 3f: 25 .byte 0x25 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@...glegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
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