syzbot


possible deadlock in static_key_slow_inc

Status: upstream: reported C repro on 2023/03/07 21:27
Labels: origin:upstream (incorrect?)
Reported-by: syzbot+9be0d52892bc93e4de1d@syzkaller.appspotmail.com
First crash: 91d, last: 13h59m
Bug presence (1)
Date Name Commit Repro Result
2023/05/17 upstream (ToT) 4d6d4c7f541d C [report] possible deadlock in static_key_slow_inc
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream possible deadlock in static_key_slow_inc 5 2108d 2044d 0/24 closed as invalid on 2017/10/31 11:27
linux-4.14 possible deadlock in static_key_slow_inc 1 491d 491d 0/1 auto-closed as invalid on 2022/05/31 03:42
linux-4.14 possible deadlock in static_key_slow_inc (2) C 2 120d 159d 0/1 upstream: reported C repro on 2022/12/29 19:42
upstream possible deadlock in static_key_slow_inc (2) cgroups C error 32503 3h01m 216d 23/24 upstream: reported C repro on 2022/11/02 10:36

Sample crash report:
======================================================
WARNING: possible circular locking dependency detected
6.1.28-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor139/3550 is trying to acquire lock:
ffffffff8cdc4930 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_slow_inc+0xe/0x20 kernel/jump_label.c:158

but task is already holding lock:
ffffffff8cf5a648 (freezer_mutex){+.+.}-{3:3}, at: freezer_css_online+0x4b/0x140 kernel/cgroup/legacy_freezer.c:111

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 (freezer_mutex){+.+.}-{3:3}:
       lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5669
       __mutex_lock_common+0x1d4/0x2520 kernel/locking/mutex.c:603
       __mutex_lock kernel/locking/mutex.c:747 [inline]
       mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
       freezer_change_state kernel/cgroup/legacy_freezer.c:389 [inline]
       freezer_write+0xa4/0x3f0 kernel/cgroup/legacy_freezer.c:429
       cgroup_file_write+0x2c6/0x690 kernel/cgroup/cgroup.c:4057
       kernfs_fop_write_iter+0x3a2/0x4f0 fs/kernfs/file.c:330
       call_write_iter include/linux/fs.h:2205 [inline]
       new_sync_write fs/read_write.c:491 [inline]
       vfs_write+0x7ae/0xba0 fs/read_write.c:584
       ksys_write+0x19c/0x2c0 fs/read_write.c:637
       do_syscall_x64 arch/x86/entry/common.c:50 [inline]
       do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
       entry_SYSCALL_64_after_hwframe+0x63/0xcd

-> #0 (cpu_hotplug_lock){++++}-{0:0}:
       check_prev_add kernel/locking/lockdep.c:3098 [inline]
       check_prevs_add kernel/locking/lockdep.c:3217 [inline]
       validate_chain+0x1667/0x58e0 kernel/locking/lockdep.c:3832
       __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5056
       lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5669
       percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
       cpus_read_lock+0x3e/0x150 kernel/cpu.c:310
       static_key_slow_inc+0xe/0x20 kernel/jump_label.c:158
       freezer_css_online+0xc2/0x140 kernel/cgroup/legacy_freezer.c:117
       online_css+0xba/0x260 kernel/cgroup/cgroup.c:5476
       css_create kernel/cgroup/cgroup.c:5547 [inline]
       cgroup_apply_control_enable+0x7d1/0xae0 kernel/cgroup/cgroup.c:3235
       cgroup_mkdir+0xd8b/0xff0 kernel/cgroup/cgroup.c:5743
       kernfs_iop_mkdir+0x275/0x400 fs/kernfs/dir.c:1196
       vfs_mkdir+0x3b6/0x590 fs/namei.c:4036
       do_mkdirat+0x260/0x520 fs/namei.c:4061
       __do_sys_mkdirat fs/namei.c:4076 [inline]
       __se_sys_mkdirat fs/namei.c:4074 [inline]
       __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4074
       do_syscall_x64 arch/x86/entry/common.c:50 [inline]
       do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
       entry_SYSCALL_64_after_hwframe+0x63/0xcd

other info that might help us debug this:

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(freezer_mutex);
                               lock(cpu_hotplug_lock);
                               lock(freezer_mutex);
  lock(cpu_hotplug_lock);

 *** DEADLOCK ***

4 locks held by syz-executor139/3550:
 #0: ffff888027efa460 (sb_writers#10){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
 #1: ffff8880739ff3f0 (&type->i_mutex_dir_key#7/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:791 [inline]
 #1: ffff8880739ff3f0 (&type->i_mutex_dir_key#7/1){+.+.}-{3:3}, at: filename_create+0x256/0x530 fs/namei.c:3807
 #2: ffffffff8cf4f6e8 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_kn_lock_live+0xe5/0x290 kernel/cgroup/cgroup.c:1667
 #3: ffffffff8cf5a648 (freezer_mutex){+.+.}-{3:3}, at: freezer_css_online+0x4b/0x140 kernel/cgroup/legacy_freezer.c:111

stack backtrace:
CPU: 0 PID: 3550 Comm: syz-executor139 Not tainted 6.1.28-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 check_noncircular+0x2fa/0x3b0 kernel/locking/lockdep.c:2178
 check_prev_add kernel/locking/lockdep.c:3098 [inline]
 check_prevs_add kernel/locking/lockdep.c:3217 [inline]
 validate_chain+0x1667/0x58e0 kernel/locking/lockdep.c:3832
 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5056
 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5669
 percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
 cpus_read_lock+0x3e/0x150 kernel/cpu.c:310
 static_key_slow_inc+0xe/0x20 kernel/jump_label.c:158
 freezer_css_online+0xc2/0x140 kernel/cgroup/legacy_freezer.c:117
 online_css+0xba/0x260 kernel/cgroup/cgroup.c:5476
 css_create kernel/cgroup/cgroup.c:5547 [inline]
 cgroup_apply_control_enable+0x7d1/0xae0 kernel/cgroup/cgroup.c:3235
 cgroup_mkdir+0xd8b/0xff0 kernel/cgroup/cgroup.c:5743
 kernfs_iop_mkdir+0x275/0x400 fs/kernfs/dir.c:1196
 vfs_mkdir+0x3b6/0x590 fs/namei.c:4036
 do_mkdirat+0x260/0x520 fs/namei.c:4061
 __do_sys_mkdirat fs/namei.c:4076 [inline]
 __se_sys_mkdirat fs/namei.c:4074 [inline]
 __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4074
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f43ee774e19
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffda6be7dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f43ee774e19
RDX: 00000000000001ff RSI: 0000000020000180 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffda6be7df0 R09: 00007ffda6be7df0
R10: 00007ffda6be7df0 R11: 0000000000000246 R12: 00007ffda6be7dec
R13: 00007ffda6be7e00 R14: 00007ffda6be7e40 R15: 0000000000000000
 </TASK>

Crashes (1274):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2023/05/17 07:17 linux-6.1.y bf4ad6fa4e53 11c89444 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf possible deadlock in static_key_slow_inc
2023/05/14 08:03 linux-6.1.y bf4ad6fa4e53 2b9ba477 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf possible deadlock in static_key_slow_inc
2023/05/14 07:32 linux-6.1.y bf4ad6fa4e53 2b9ba477 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf possible deadlock in static_key_slow_inc
2023/05/14 04:29 linux-6.1.y bf4ad6fa4e53 2b9ba477 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/05/14 03:58 linux-6.1.y bf4ad6fa4e53 2b9ba477 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf possible deadlock in static_key_slow_inc
2023/05/14 03:18 linux-6.1.y bf4ad6fa4e53 2b9ba477 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf possible deadlock in static_key_slow_inc
2023/05/14 02:37 linux-6.1.y bf4ad6fa4e53 2b9ba477 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf possible deadlock in static_key_slow_inc
2023/05/07 18:52 linux-6.1.y ca48fc16c493 90c93c40 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf possible deadlock in static_key_slow_inc
2023/05/17 06:43 linux-6.1.y bf4ad6fa4e53 11c89444 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/14 08:18 linux-6.1.y bf4ad6fa4e53 2b9ba477 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/13 20:06 linux-6.1.y bf4ad6fa4e53 2b9ba477 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/12 10:33 linux-6.1.y bf4ad6fa4e53 adb9a3cd .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/10 23:00 linux-6.1.y ca48fc16c493 14b12a99 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/09 08:04 linux-6.1.y ca48fc16c493 c7a5e2a0 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/08 00:54 linux-6.1.y ca48fc16c493 90c93c40 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/03/13 06:45 linux-6.1.y 1cc3fcf63192 5205ef30 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf possible deadlock in static_key_slow_inc
2023/03/13 06:04 linux-6.1.y 1cc3fcf63192 5205ef30 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf possible deadlock in static_key_slow_inc
2023/03/13 03:03 linux-6.1.y 1cc3fcf63192 5205ef30 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/03/08 02:16 linux-6.1.y 42616e0f09fb d7ea8bc4 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/03/26 05:35 linux-6.1.y e3a87a10f259 fbf0499a .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/03/25 20:42 linux-6.1.y e3a87a10f259 fbf0499a .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/03/09 23:18 linux-6.1.y 42616e0f09fb f08b59ac .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/03/07 23:55 linux-6.1.y 42616e0f09fb d7ea8bc4 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/06/06 01:05 linux-6.1.y 76ba310227d2 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/06/05 22:27 linux-6.1.y 76ba310227d2 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/06/05 14:57 linux-6.1.y 76ba310227d2 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/06/05 13:54 linux-6.1.y 76ba310227d2 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/06/02 19:36 linux-6.1.y d2869ace6eeb a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/06/02 13:11 linux-6.1.y d2869ace6eeb a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/06/02 10:16 linux-6.1.y d2869ace6eeb a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/06/02 05:03 linux-6.1.y d2869ace6eeb a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/06/01 19:36 linux-6.1.y d2869ace6eeb babc4389 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/06/01 13:49 linux-6.1.y d2869ace6eeb babc4389 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/06/01 05:30 linux-6.1.y d2869ace6eeb babc4389 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/06/01 03:59 linux-6.1.y d2869ace6eeb babc4389 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/05/31 18:34 linux-6.1.y d2869ace6eeb 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/05/31 12:09 linux-6.1.y d2869ace6eeb 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/05/30 19:26 linux-6.1.y d2869ace6eeb df37c7f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/05/29 20:51 linux-6.1.y a343b0dd87b4 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf possible deadlock in static_key_slow_inc
2023/05/29 17:18 linux-6.1.y a343b0dd87b4 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan possible deadlock in static_key_slow_inc
2023/06/06 11:03 linux-6.1.y 76ba310227d2 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/06/05 17:40 linux-6.1.y 76ba310227d2 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/06/05 16:24 linux-6.1.y 76ba310227d2 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/06/05 12:33 linux-6.1.y 76ba310227d2 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/06/05 10:47 linux-6.1.y 76ba310227d2 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/06/03 12:34 linux-6.1.y d2869ace6eeb a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/06/02 08:37 linux-6.1.y d2869ace6eeb a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/06/02 03:25 linux-6.1.y d2869ace6eeb a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/06/02 02:02 linux-6.1.y d2869ace6eeb a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/06/02 00:30 linux-6.1.y d2869ace6eeb a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/06/01 22:46 linux-6.1.y d2869ace6eeb a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/06/01 08:09 linux-6.1.y d2869ace6eeb babc4389 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/06/01 02:16 linux-6.1.y d2869ace6eeb babc4389 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/31 23:20 linux-6.1.y d2869ace6eeb babc4389 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/31 21:48 linux-6.1.y d2869ace6eeb babc4389 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/31 11:07 linux-6.1.y d2869ace6eeb 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/31 09:58 linux-6.1.y d2869ace6eeb 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/31 08:11 linux-6.1.y d2869ace6eeb 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/31 06:55 linux-6.1.y d2869ace6eeb 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/31 05:46 linux-6.1.y d2869ace6eeb 09898419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/30 23:35 linux-6.1.y d2869ace6eeb df37c7f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/30 21:57 linux-6.1.y d2869ace6eeb df37c7f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/30 20:55 linux-6.1.y d2869ace6eeb df37c7f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/30 19:13 linux-6.1.y d2869ace6eeb df37c7f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/30 17:02 linux-6.1.y d2869ace6eeb df37c7f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/30 14:46 linux-6.1.y d2869ace6eeb cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/30 09:45 linux-6.1.y a343b0dd87b4 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/05/30 07:06 linux-6.1.y a343b0dd87b4 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
2023/03/07 21:27 linux-6.1.y 42616e0f09fb d7ea8bc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 possible deadlock in static_key_slow_inc
* Struck through repros no longer work on HEAD.