syzbot


KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit (2)

Status: auto-closed as invalid on 2022/01/25 10:22
Reported-by: syzbot+fc2c0371af05c802f277@syzkaller.appspotmail.com
First crash: 296d, last: 229d
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit (4) 4 87d 89d 0/23 closed as invalid on 2022/05/13 11:20
upstream KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit 2 518d 518d 0/23 auto-closed as invalid on 2021/04/11 22:19
upstream KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit (3) 4 185d 186d 0/23 auto-closed as invalid on 2022/03/10 19:58

Sample crash report:
==================================================================
BUG: KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit

write to 0xffff888103700468 of 4 bytes by task 1402 on cpu 1:
 jbd2_journal_commit_transaction+0x2a77/0x3460 fs/jbd2/commit.c:1154
 kjournald2+0x263/0x480 fs/jbd2/journal.c:213
 kthread+0x2c7/0x2e0 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30

read to 0xffff888103700468 of 4 bytes by task 16446 on cpu 0:
 jbd2_log_wait_commit+0xb3/0x210 fs/jbd2/journal.c:712
 jbd2_journal_stop+0x522/0x6a0 fs/jbd2/transaction.c:1932
 __ext4_journal_stop+0x99/0x110 fs/ext4/ext4_jbd2.c:127
 ext4_symlink+0x4db/0x700 fs/ext4/namei.c:3365
 vfs_symlink+0x241/0x330 fs/namei.c:4248
 do_symlinkat+0x104/0x380 fs/namei.c:4277
 __do_sys_symlink fs/namei.c:4299 [inline]
 __se_sys_symlink fs/namei.c:4297 [inline]
 __x64_sys_symlink+0x52/0x60 fs/namei.c:4297
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0x000035b3 -> 0x000035b4

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 16446 Comm: syz-executor.2 Not tainted 5.16.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================

Crashes (76):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-upstream-kcsan-gce 2021/12/21 10:21 upstream 6e0567b73052 a938f0b8 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/21 05:51 upstream 86085fe79e3c 62bd192b .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/20 09:19 upstream a7904a538933 021b36cb .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/19 22:40 upstream a76c3d035872 44068e19 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/19 08:42 upstream 3f667b5d4053 44068e19 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/18 05:40 upstream 9eaa88c7036e 44068e19 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/16 19:50 upstream fa36bbe6d43f 8dd6a5e3 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/16 17:44 upstream 2b14864acbaa 8dd6a5e3 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/15 22:28 upstream 2b14864acbaa 572bcb40 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/14 13:23 upstream 5472f14a3742 d018dd31 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/14 06:28 upstream 5472f14a3742 5d14b1ea .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/13 17:38 upstream 2585cf9dfaad 0304899b .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/12 06:13 upstream a763d5a5abd6 49ca1f59 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/11 01:18 upstream c741e49150db fc17c959 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/09 00:38 upstream 2a987e65025e a4a2a501 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/08 07:06 upstream 2a987e65025e 0230ba3e .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/07 20:34 upstream cd8c917a56f2 0230ba3e .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/06 23:40 upstream f80ef9e49fdf 0230ba3e .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/06 07:24 upstream 944207047ca4 a617004c .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/05 09:16 upstream 79a72162048e a617004c .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/04 19:38 upstream bbef3c7a63d2 a617004c .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/12/04 12:48 upstream 12119cfa1052 a617004c .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/29 14:38 upstream d58071a8a76d d0830353 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/29 03:34 upstream d06c942efea4 63eeac02 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/28 15:48 upstream 3498e7f2bb41 63eeac02 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/26 09:51 upstream a4849f6000e2 63eeac02 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/26 06:05 upstream b501b85957de 63eeac02 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/24 06:05 upstream 5d9f4cf36721 545ab074 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/22 00:39 upstream 40c93d7fff6f 4eb20a4e .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/21 11:13 upstream 923dcc5eb0c1 4eb20a4e .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/21 01:16 upstream 61564e7b3abc 4eb20a4e .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/20 16:29 upstream a90af8f15bdc 4eb20a4e .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/20 00:18 upstream 4c388a8e740d 3a9d0024 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/18 07:55 upstream 42eb8fdac2fc cafff8b6 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/17 19:39 upstream ee1703cda8dc cafff8b6 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/17 00:23 upstream 8ab774587903 cafff8b6 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/16 19:11 upstream 8ab774587903 600426bd .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/15 18:00 upstream 8ab774587903 75b04091 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/15 02:33 upstream ce49bfc8d037 75b04091 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/12 12:59 upstream 5833291ab6de 75b04091 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/12 03:52 upstream ca2ef2d9f2aa 75b04091 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/10 19:26 upstream 89d714ab6043 75b04091 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/10 16:37 upstream cb690f5238d7 75b04091 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/10 01:16 upstream cb690f5238d7 55fa030c .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/09 18:08 upstream d2f38a3c6507 59bcaf9a .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/09 00:38 upstream e851dfae4371 8ab17e57 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/08 07:15 upstream 6b75d88fa81b 4c1be0be .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/07 11:29 upstream b5013d084e03 4c1be0be .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/07 04:52 upstream 512b7931ad05 4c1be0be .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/06 00:04 upstream fe91c4725aee 4c1be0be .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/04 16:12 upstream 7ddb58cb0eca 4c1be0be .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/03 17:41 upstream dcd68326d29b 4c1be0be .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/03 08:44 upstream 56d33754481f 17f3edd2 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/03 01:09 upstream bfc484fe6abb 17f3edd2 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/02 14:17 upstream bfc484fe6abb 098b5d53 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/02 03:27 upstream e66435936756 098b5d53 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/11/01 07:27 upstream 8bb7eca972ad 098b5d53 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/31 22:46 upstream 180eca540ae0 098b5d53 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/31 06:43 upstream 119c85055d86 098b5d53 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/29 08:51 upstream f25a5481af12 2353a3ec .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/28 15:04 upstream 1fc596a56b33 be531bb4 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/27 13:42 upstream d25f27432f80 be531bb4 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/27 07:09 upstream d25f27432f80 d50eb50a .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/27 07:08 upstream d25f27432f80 d50eb50a .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/27 02:31 upstream 3906fe9bb7f1 d50eb50a .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/26 08:23 upstream 87066fdd2e30 c1132b49 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/25 18:13 upstream 87066fdd2e30 4f0000ee .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/24 10:11 upstream 9c0c4d24ac00 282f03fb .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/23 02:32 upstream 64222515138e 282f03fb .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/21 01:51 upstream 2f111a6fd5b5 f111d03b .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/19 17:45 upstream d9abdee5fd5a 466b7db1 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/18 19:34 upstream 519d81956ee2 24dc29db .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/18 04:02 upstream cf52ad5ff16c 0c5d9412 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/17 11:53 upstream d999ade1cc86 0c5d9412 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/16 19:22 upstream 304040fb4909 0c5d9412 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit
ci2-upstream-kcsan-gce 2021/10/15 15:20 upstream 8fe31e0995f0 0c5d9412 .config log report info KCSAN: data-race in jbd2_journal_commit_transaction / jbd2_log_wait_commit