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WARNING: locking bug in try_to_wake_up (2)

Status: upstream: reported syz repro on 2024/11/17 07:17
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+6ac735cc9f9ce6ec2f74@syzkaller.appspotmail.com
First crash: 134d, last: 3d07h
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [net?] WARNING: locking bug in try_to_wake_up (2) 0 (2) 2024/11/23 13:32
▶ ▼ Similar bugs (11)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING: locking bug in try_to_wake_up kernel C error 157 135d 316d 28/28 fixed on 2024/11/12 23:31
linux-5.15 KASAN: use-after-free Read in try_to_wake_up C done 71 189d 645d 3/3 fixed on 2024/10/21 12:01
linux-4.14 KASAN: use-after-free Read in try_to_wake_up nilfs2 C 8 758d 879d 0/1 upstream: reported C repro on 2022/10/30 09:08
upstream general protection fault in try_to_wake_up (2) io-uring C done done 3588 252d 1490d 0/28 closed as invalid on 2024/07/25 16:29
linux-4.14 general protection fault in try_to_wake_up C done 707 1441d 1471d 1/1 fixed on 2021/05/17 08:49
upstream KASAN: use-after-free Read in try_to_wake_up fs C unreliable 82 1491d 1491d 0/28 closed as invalid on 2021/02/25 16:53
linux-6.1 KASAN: use-after-free Read in try_to_wake_up origin:upstream missing-backport C done 44 293d 725d 3/3 fixed on 2024/07/22 09:08
linux-5.15 KASAN: use-after-free Read in try_to_wake_up (2) 3 79d 111d 0/3 upstream: reported on 2024/12/06 09:57
linux-4.19 general protection fault in try_to_wake_up syz done 229 1383d 1471d 1/1 fixed on 2021/07/14 00:01
upstream BUG: unable to handle kernel paging request in try_to_wake_up (2) net C error 31 36d 122d 27/28 upstream: reported C repro on 2024/11/26 04:54
linux-6.1 KASAN: use-after-free Read in try_to_wake_up (2) 2 203d 235d 0/3 auto-obsoleted due to no activity on 2024/12/14 10:22
▶ ▼ Cause bisection attempts (2)
Created Duration User Patch Repo Result
2024/12/22 04:05 23m bisect upstream error job log
2024/11/24 16:56 22m bisect upstream error job log
marked invalid by nogikh@google.com

Sample crash report:
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 1 PID: 5841 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline]
WARNING: CPU: 1 PID: 5841 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4850 [inline]
WARNING: CPU: 1 PID: 5841 at kernel/locking/lockdep.c:232 __lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5176
Modules linked in:
CPU: 1 UID: 0 PID: 5841 Comm: syz-execprog Not tainted 6.13.0-rc5-syzkaller-00163-gab75170520d4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:hlock_class kernel/locking/lockdep.c:232 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4850 [inline]
RIP: 0010:__lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5176
Code: 00 00 83 3d 71 e9 9e 0e 00 75 23 90 48 c7 c7 80 97 0a 8c 48 c7 c6 80 9a 0a 8c e8 77 5d e5 ff 48 ba 00 00 00 00 00 fc ff df 90 <0f> 0b 90 90 90 31 db 48 81 c3 c4 00 00 00 48 89 d8 48 c1 e8 03 0f
RSP: 0018:ffffc90003e377b0 EFLAGS: 00010046
RAX: 9ef89548c4c9be00 RBX: 00000000000019d8 RCX: ffff888034b81e00
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000000c19d8 R08: ffffffff81602a82 R09: 1ffff110170e519a
R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff888034b828c4
R13: 0000000000000005 R14: 1ffff11006970525 R15: ffff888034b82928
FS:  000000c00007f098(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007a4cc000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:606
 raw_spin_rq_lock kernel/sched/sched.h:1523 [inline]
 rq_lock kernel/sched/sched.h:1822 [inline]
 ttwu_queue kernel/sched/core.c:3991 [inline]
 try_to_wake_up+0x7e2/0x1470 kernel/sched/core.c:4321
 wake_up_process kernel/sched/core.c:4454 [inline]
 wake_up_q+0xc8/0x120 kernel/sched/core.c:1066
 futex_wake+0x523/0x5c0 kernel/futex/waitwake.c:199
 do_futex+0x392/0x560 kernel/futex/syscalls.c:107
 __do_sys_futex kernel/futex/syscalls.c:179 [inline]
 __se_sys_futex+0x3f9/0x480 kernel/futex/syscalls.c:160
 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: 0033:0x475f63
Code: 24 20 c3 cc cc cc cc 48 8b 7c 24 08 8b 74 24 10 8b 54 24 14 4c 8b 54 24 18 4c 8b 44 24 20 44 8b 4c 24 28 b8 ca 00 00 00 0f 05 <89> 44 24 30 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc
RSP: 002b:000000c000093e08 EFLAGS: 00000202 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000475f63
RDX: 0000000000000001 RSI: 0000000000000081 RDI: 000000c001800148
RBP: 000000c000093e58 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000093e70
R13: 0000000000000001 R14: 000000c000006c40 R15: 0000000000000001
 </TASK>

Crashes (153):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/01/06 07:31 upstream ab75170520d4 f3558dbf .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2024/11/23 13:31 upstream 06afb0f36106 68da6d95 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/03/24 22:41 upstream 38fec10eb60d 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/03/21 05:51 upstream 5fc319360819 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/03/21 03:30 upstream 5fc319360819 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/03/21 00:12 upstream 5fc319360819 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/03/18 18:19 upstream fc444ada1310 22a6c2b1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/03/16 21:50 upstream cb82ca153949 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/03/16 10:17 upstream 31d7109a19f6 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/03/15 22:08 upstream 3571e8b091f4 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/03/14 16:55 upstream 695caca9345a e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/03/12 02:56 upstream 0b46b049d6ec f2eee6b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/03/11 23:00 upstream 0b46b049d6ec f2eee6b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/03/10 02:38 upstream 1110ce6a1e34 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/03/07 18:24 upstream 00a7d39898c8 7e3bd60d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/03/03 12:15 upstream 7eb172143d55 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/03/01 06:58 upstream 7a5668899f54 1e7a43e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/28 21:49 upstream 76544811c850 1e7a43e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/28 19:44 upstream 76544811c850 1e7a43e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/27 18:49 upstream dd83757f6e68 6a8fcbc4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/27 17:39 upstream dd83757f6e68 6a8fcbc4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/25 05:07 upstream d082ecbc71e9 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/24 04:26 upstream d082ecbc71e9 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/23 06:11 upstream 5cf80612d3f7 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/19 02:59 upstream 6537cfb395f3 9a14138f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/16 08:34 upstream 496659003dac 40a34ec9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/13 17:11 upstream 4dc1d1bec898 2afad16e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/13 02:53 upstream 4dc1d1bec898 b27c2402 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/09 04:51 upstream 595ab66f1bec ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/08 03:00 upstream 7ee983c850b4 a4f327c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/06 15:52 upstream 92514ef226f5 577d049b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/05 23:25 upstream 92514ef226f5 577d049b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/04 09:39 upstream 0de63bb7d919 8f267cef .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/02 06:53 upstream 69e858e0b8b2 0dff8567 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/01 20:23 upstream 69e858e0b8b2 0dff8567 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/01 07:39 upstream 69e858e0b8b2 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/01/31 21:52 upstream 69e858e0b8b2 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/01/31 18:40 upstream 69e858e0b8b2 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/01/31 14:50 upstream 69e858e0b8b2 4c6ac32f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/01/30 17:25 upstream 9c5968db9e62 9c8ab845 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/01/30 09:35 upstream 9c5968db9e62 afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/01/28 18:02 upstream 9c5968db9e62 f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/01/27 21:00 upstream 9c5968db9e62 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/01/27 14:02 upstream 9c5968db9e62 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/01/25 13:26 upstream 0afd22092df4 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/01/25 11:33 upstream 0afd22092df4 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2024/11/16 20:12 upstream e8bdb3c8be08 cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2024/11/13 07:14 upstream 3022e9d00ebe 62026c85 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING: locking bug in try_to_wake_up
2025/02/05 09:19 upstream 5c8c229261f1 5896748e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING: locking bug in try_to_wake_up
* Struck through repros no longer work on HEAD.