syzbot


possible deadlock in console_lock_spinning_enable

Status: fixed on 2021/11/10 00:50
Reported-by: syzbot+3ed715090790806d8b18@syzkaller.appspotmail.com
Fix commit: c0070e1e6027 ttyprintk: Add TTY hangup callback.
First crash: 1196d, last: 321d

Cause bisection: introduced by (bisect log) :
commit b6da31b2c07c46f2dcad1d86caa835227a16d9ff
Author: DaeRyong Jeong <threeearcat@gmail.com>
Date: Mon Apr 30 15:27:04 2018 +0000

  tty: Fix data race in tty_insert_flip_string_fixed_flag

Crash: possible deadlock in console_unlock (log)
Repro: C syz .config
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
possible deadlock in console_unlock C done 22098 321d 1574d 24/24 closed as dup on 2021/01/21 05:31
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream possible deadlock in console_lock_spinning_enable (2) C inconclusive done 117 131d 317d 23/24 upstream: reported C repro on 2021/11/14 15:58

Sample crash report:
======================================================
WARNING: possible circular locking dependency detected
5.12.0-rc8-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor109/9942 is trying to acquire lock:
ffffffff8cd04c60 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x2d/0x60 kernel/printk/printk.c:1711

but task is already holding lock:
ffffffff906ca918 (&port->lock){-.-.}-{2:2}, at: tty_port_close_start+0x58/0x550 drivers/tty/tty_port.c:567

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #2 (&port->lock){-.-.}-{2:2}:
       lock_acquire+0x17f/0x720 kernel/locking/lockdep.c:5511
       __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
       _raw_spin_lock_irqsave+0xb3/0x100 kernel/locking/spinlock.c:159
       tty_port_tty_get+0x21/0xe0 drivers/tty/tty_port.c:288
       tty_port_default_wakeup+0x11/0x40 drivers/tty/tty_port.c:47
       serial8250_tx_chars+0x5ea/0x800 drivers/tty/serial/8250/8250_port.c:1832
       serial8250_handle_irq+0x2fd/0x3e0 drivers/tty/serial/8250/8250_port.c:1919
       serial8250_default_handle_irq+0xaf/0x190 drivers/tty/serial/8250/8250_port.c:1935
       serial8250_interrupt+0xa3/0x1e0 drivers/tty/serial/8250/8250_core.c:126
       __handle_irq_event_percpu+0x20a/0x6d0 kernel/irq/handle.c:156
       handle_irq_event_percpu kernel/irq/handle.c:196 [inline]
       handle_irq_event+0x10a/0x2f0 kernel/irq/handle.c:213
       handle_edge_irq+0x245/0xbe0 kernel/irq/chip.c:819
       generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
       handle_irq arch/x86/kernel/irq.c:231 [inline]
       __common_interrupt+0xce/0x1e0 arch/x86/kernel/irq.c:250
       common_interrupt+0x9c/0xc0 arch/x86/kernel/irq.c:240
       asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:623
       __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
       _raw_spin_unlock_irqrestore+0xbc/0x120 kernel/locking/spinlock.c:191
       spin_unlock_irqrestore include/linux/spinlock.h:409 [inline]
       uart_write+0x6a1/0x8f0 drivers/tty/serial/serial_core.c:615
       do_output_char+0x638/0x940 drivers/tty/n_tty.c:443
       process_output drivers/tty/n_tty.c:510 [inline]
       n_tty_write+0xe33/0x1310 drivers/tty/n_tty.c:2365
       do_tty_write drivers/tty/tty_io.c:1043 [inline]
       file_tty_write+0x5c5/0x9a0 drivers/tty/tty_io.c:1133
       do_iter_readv_writev+0x566/0x770 include/linux/fs.h:1971
       do_iter_write+0x16c/0x5f0 fs/read_write.c:866
       vfs_writev fs/read_write.c:939 [inline]
       do_writev+0x240/0x440 fs/read_write.c:982
       do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
       entry_SYSCALL_64_after_hwframe+0x44/0xae

-> #1 (&port_lock_key){-.-.}-{2:2}:
       lock_acquire+0x17f/0x720 kernel/locking/lockdep.c:5511
       __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
       _raw_spin_lock_irqsave+0xb3/0x100 kernel/locking/spinlock.c:159
       serial8250_console_write+0x177/0xe40 drivers/tty/serial/8250/8250_port.c:3292
       call_console_drivers kernel/printk/printk.c:1862 [inline]
       console_unlock+0x9ca/0xf00 kernel/printk/printk.c:2576
       vprintk_emit+0x21a/0x2f0 kernel/printk/printk.c:2098
       printk+0xc0/0x103 kernel/printk/printk.c:2146
       register_console+0x8dc/0xbc0 kernel/printk/printk.c:2927
       univ8250_console_init+0x41/0x43 drivers/tty/serial/8250/8250_core.c:690
       console_init+0x52/0x97 kernel/printk/printk.c:3027
       start_kernel+0x30c/0x544 init/main.c:993
       secondary_startup_64_no_verify+0xb0/0xbb

-> #0 (console_owner){....}-{0:0}:
       check_prev_add kernel/locking/lockdep.c:2937 [inline]
       check_prevs_add+0x4d6/0x5a90 kernel/locking/lockdep.c:3060
       validate_chain kernel/locking/lockdep.c:3675 [inline]
       __lock_acquire+0x4307/0x6040 kernel/locking/lockdep.c:4901
       lock_acquire+0x17f/0x720 kernel/locking/lockdep.c:5511
       console_lock_spinning_enable+0x52/0x60 kernel/printk/printk.c:1714
       console_unlock+0x711/0xf00 kernel/printk/printk.c:2573
       vprintk_emit+0x21a/0x2f0 kernel/printk/printk.c:2098
       printk+0xc0/0x103 kernel/printk/printk.c:2146
       tty_port_close_start+0x3c8/0x550 drivers/tty/tty_port.c:569
       tty_port_close+0x26/0x140 drivers/tty/tty_port.c:634
       tty_release+0x30c/0xef0 drivers/tty/tty_io.c:1779
       __fput+0x352/0x7b0 fs/file_table.c:280
       task_work_run+0x146/0x1c0 kernel/task_work.c:140
       tracehook_notify_resume include/linux/tracehook.h:189 [inline]
       exit_to_user_mode_loop kernel/entry/common.c:174 [inline]
       exit_to_user_mode_prepare+0x10b/0x1e0 kernel/entry/common.c:208
       __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
       syscall_exit_to_user_mode+0x26/0x70 kernel/entry/common.c:301
       entry_SYSCALL_64_after_hwframe+0x44/0xae

other info that might help us debug this:

Chain exists of:
  console_owner --> &port_lock_key --> &port->lock

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&port->lock);
                               lock(&port_lock_key);
                               lock(&port->lock);
  lock(console_owner);

 *** DEADLOCK ***

3 locks held by syz-executor109/9942:
 #0: ffff88801a2ca1c0 (&tty->legacy_mutex){+.+.}-{3:3}, at: tty_release+0xac/0xef0 drivers/tty/tty_io.c:1761
 #1: ffffffff906ca918 (&port->lock){-.-.}-{2:2}, at: tty_port_close_start+0x58/0x550 drivers/tty/tty_port.c:567
 #2: ffffffff8cbec980 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x201/0x2f0 kernel/printk/printk.c:2097

stack backtrace:
CPU: 1 PID: 9942 Comm: syz-executor109 Not tainted 5.12.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x202/0x31e lib/dump_stack.c:120
 print_circular_bug+0xb17/0xdc0 kernel/locking/lockdep.c:2006
 check_noncircular+0x2cc/0x390 kernel/locking/lockdep.c:2128
 check_prev_add kernel/locking/lockdep.c:2937 [inline]
 check_prevs_add+0x4d6/0x5a90 kernel/locking/lockdep.c:3060
 validate_chain kernel/locking/lockdep.c:3675 [inline]
 __lock_acquire+0x4307/0x6040 kernel/locking/lockdep.c:4901
 lock_acquire+0x17f/0x720 kernel/locking/lockdep.c:5511
 console_lock_spinning_enable+0x52/0x60 kernel/printk/printk.c:1714
 console_unlock+0x711/0xf00 kernel/printk/printk.c:2573
 vprintk_emit+0x21a/0x2f0 kernel/printk/printk.c:2098
 printk+0xc0/0x103 kernel/printk/printk.c:2146
 tty_port_close_start+0x3c8/0x550 drivers/tty/tty_port.c:569
 tty_port_close+0x26/0x140 drivers/tty/tty_port.c:634
 tty_release+0x30c/0xef0 drivers/tty/tty_io.c:1779
 __fput+0x352/0x7b0 fs/file_table.c:280
 task_work_run+0x146/0x1c0 kernel/task_work.c:140
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:174 [inline]
 exit_to_user_mode_prepare+0x10b/0x1e0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x70 kernel/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4098bb
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 03 fd ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 41 fd ff ff 8b 44
RSP: 002b:00007fff6de75b80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000004098bb
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fff6de75c80 R08: 0000000000000000 R09: 00007fff6de75b30
R10: 0000000000000000 R11: 0000000000000293 R12: 000000000000e563
R13: 00000000004cf4dc R14: 00007fff6de75c10 R15: 00000000004cf4c0

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/01/13 20:39 upstream b3a987b0264d 34bf9440 .config log report syz C
* Struck through repros no longer work on HEAD.
Crashes (1693):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/04/21 18:34 upstream 1fe5501ba1ab 95777977 .config log report syz C possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/04/21 06:11 upstream 1fe5501ba1ab c0ced557 .config log report syz C possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/04/19 21:01 upstream bf05bf16c76b 50f523d7 .config log report syz C possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/04/13 09:40 upstream 89698becf06d bfeda1b1 .config log report syz C possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/04/12 20:32 upstream d434405aaab7 bfeda1b1 .config log report syz C possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/04/06 14:15 upstream 0a50438c8436 6a81331a .config log report syz C possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/04/05 16:50 upstream e49d033bddf5 6a81331a .config log report syz C possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/04/04 13:44 upstream 2023a53bdf41 6a81331a .config log report syz C possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/03/20 09:39 upstream 1c273e10bc0c 3d01c4de .config log report syz C possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/02/18 02:17 upstream f40ddce88593 14052202 .config log report syz C possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/02/16 15:42 upstream f40ddce88593 98682e5e .config log report syz C possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/02/10 16:12 upstream e0756cfc7d7c 2bd9619f .config log report syz C possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/01/14 22:11 upstream 65f0d2414b70 65a7a854 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/12/06 17:36 upstream 33256ce19411 f12ba0c5 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/25 22:28 upstream 171d4ff79f96 4a006f63 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/13 02:25 upstream 729e3d091984 ce441f06 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/12 18:47 upstream 729e3d091984 ce441f06 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/11 11:58 upstream 581cb3a26baf adfb8b4e .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/08 03:27 upstream f4d51dffc6c0 abf9ba4f .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/06 04:21 upstream 9322c47b21b9 abf9ba4f .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/02 07:54 upstream b765a32a2e91 abf9ba4f .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/08/31 00:47 upstream 1127b219ce94 d5a3ae1f .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/08/27 04:13 upstream 15bc20c6af4c 318430cb .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/08/26 13:55 upstream 2ac69819ba9e 318430cb .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/08/26 09:46 upstream abb3438d69fb 344da168 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/08/25 09:01 upstream 6a9dc5fd6170 344da168 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/08/25 00:43 upstream d012a7190fc1 67b599d1 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/08/20 01:13 upstream 18445bf405cb 94b45706 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/08/14 23:00 upstream a1d21081a60d 424dd8e7 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/08/14 15:45 upstream a1d21081a60d 424dd8e7 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/07/28 21:26 upstream 92ed30191993 cb93dc6a .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/07/27 21:18 upstream 92ed30191993 cb93dc6a .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/07/05 06:55 upstream 7cc2a8ea1048 51095195 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/04/17 01:54 upstream 9786cab67457 c743fcb3 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/04/16 16:29 upstream 00086336a8d9 c743fcb3 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/04/16 00:39 upstream 8632e9b5645b 3f3c5574 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/04/15 21:30 upstream 8632e9b5645b 3f3c5574 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/04/10 18:23 upstream c0cc271173b2 a8c6a3f8 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/03/11 12:24 upstream e94148454103 35f53e45 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/02/22 03:04 upstream b0dd1eb220c0 2ffa6679 .config log report syz C
ci-upstream-kasan-gce-smack-root 2019/06/20 23:33 upstream abf02e2964b3 34bf9440 .config log report syz C
ci-upstream-kasan-gce-smack-root 2019/06/19 15:26 upstream bed3c0d84e7e 34bf9440 .config log report syz C
ci-upstream-kasan-gce-smack-root 2021/11/09 23:50 upstream d2f38a3c6507 59bcaf9a .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/11/08 14:35 upstream 6b75d88fa81b d29682f1 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/11/07 23:55 upstream b5013d084e03 4c1be0be .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/11/07 03:49 upstream 512b7931ad05 4c1be0be .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/11/06 20:00 upstream fe91c4725aee 4c1be0be .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/11/06 16:50 upstream fe91c4725aee 4c1be0be .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/11/06 05:28 upstream fe91c4725aee 4c1be0be .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/11/05 15:27 upstream d4439a1189f9 4c1be0be .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/11/05 14:10 upstream d4439a1189f9 4c1be0be .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/11/05 05:44 upstream 7ddb58cb0eca 4c1be0be .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/11/04 09:42 upstream ce840177930f 4c1be0be .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/11/03 03:42 upstream bfc484fe6abb 17f3edd2 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/11/02 10:04 upstream e66435936756 098b5d53 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/11/01 09:47 upstream 8bb7eca972ad 098b5d53 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/11/01 06:49 upstream 8bb7eca972ad 098b5d53 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/10/31 21:13 upstream 180eca540ae0 098b5d53 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/10/24 11:37 upstream 9c0c4d24ac00 282f03fb .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/10/24 04:47 upstream 9c0c4d24ac00 282f03fb .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/10/22 02:07 upstream 2f111a6fd5b5 c5cb7da8 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/10/16 23:11 upstream 304040fb4909 0c5d9412 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/10/11 06:30 upstream efb52a7d9511 838e7e2c .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/10/10 09:08 upstream 7fd2bf83d59a 838e7e2c .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/10/08 13:23 upstream 1da38549dd64 efe0f24d .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/09/27 00:07 upstream 996148ee05d0 78494d16 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/09/26 10:23 upstream a5e0aceabef6 8cac236e .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/09/25 19:30 upstream 7d42e9818258 8cac236e .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/09/17 10:59 upstream bdb575f87217 5b989942 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/09/17 08:57 upstream bdb575f87217 5b989942 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/09/17 06:18 upstream bdb575f87217 5b989942 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/08/21 16:12 upstream fa54d366a6e4 b599f2fc .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/08/21 09:27 upstream fa54d366a6e4 b599f2fc .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/08/20 20:18 upstream d992fe5318d8 b599f2fc .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/08/15 20:19 upstream 0aa78d17099b 2489ab88 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/08/13 01:53 upstream f8fbb47c6e86 3fd2ea69 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/08/12 15:36 upstream 1746f4db5135 6972b106 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/08/11 10:16 upstream 9e723c5380c6 6972b106 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/08/03 14:09 upstream c500bee1c5b2 6c236867 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/07/31 04:28 upstream 764a5bc89b12 6c236867 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/07/30 23:17 upstream 764a5bc89b12 6c236867 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/07/30 08:40 upstream 7e96bf476270 c585c7b0 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/07/29 17:24 upstream 4010a528219e b44001ce .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/07/27 05:28 upstream ff1176468d36 fd511809 .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/07/22 21:11 upstream 3d5895cd3517 302e51de .config log report info possible deadlock in console_lock_spinning_enable
ci-upstream-kasan-gce-smack-root 2021/01/16 23:04 upstream 1d94330a437a 65a7a854 .config log report info
* Struck through repros no longer work on HEAD.