syzbot


KCSAN: data-race in inode_update_timestamps / inode_update_timestamps

Status: auto-obsoleted due to no activity on 2024/04/18 13:35
Subsystems: ext4
[Documentation on labels]
Reported-by: syzbot+52607d66a8e561f92944@syzkaller.appspotmail.com
First crash: 259d, last: 59d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KCSAN: data-race in inode_update_timestamps / inode_update_timestamps (2) fs 1 4d00h 4d00h 0/26 moderation: reported on 2024/05/15 15:33

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

write to 0xffff88815c19f180 of 8 bytes by task 24888 on cpu 1:
 inode_set_mtime_to_ts include/linux/fs.h:1594 [inline]
 inode_update_timestamps+0x16f/0x280 fs/inode.c:1865
 generic_update_time fs/inode.c:1900 [inline]
 inode_update_time fs/inode.c:1920 [inline]
 __file_update_time fs/inode.c:2109 [inline]
 file_update_time+0x22f/0x2c0 fs/inode.c:2139
 pipe_write+0xa87/0xd30 fs/pipe.c:607
 call_write_iter include/linux/fs.h:2108 [inline]
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0x771/0x8e0 fs/read_write.c:590
 ksys_write+0xeb/0x1b0 fs/read_write.c:643
 __do_sys_write fs/read_write.c:655 [inline]
 __se_sys_write fs/read_write.c:652 [inline]
 __x64_sys_write+0x42/0x50 fs/read_write.c:652
 do_syscall_64+0xd3/0x1d0
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

read to 0xffff88815c19f180 of 8 bytes by task 24877 on cpu 0:
 inode_get_mtime include/linux/fs.h:1588 [inline]
 inode_update_timestamps+0x8a/0x280 fs/inode.c:1859
 generic_update_time fs/inode.c:1900 [inline]
 inode_update_time fs/inode.c:1920 [inline]
 __file_update_time fs/inode.c:2109 [inline]
 file_update_time+0x22f/0x2c0 fs/inode.c:2139
 pipe_write+0xa87/0xd30 fs/pipe.c:607
 call_write_iter include/linux/fs.h:2108 [inline]
 aio_write+0x304/0x430 fs/aio.c:1639
 io_submit_one+0xb18/0x1240 fs/aio.c:2058
 __do_sys_io_submit fs/aio.c:2117 [inline]
 __se_sys_io_submit+0xf5/0x280 fs/aio.c:2087
 __x64_sys_io_submit+0x43/0x50 fs/aio.c:2087
 do_syscall_64+0xd3/0x1d0
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

value changed: 0x00000000239beee9 -> 0x000000002c8cc06c

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 24877 Comm: syz-executor.1 Tainted: G        W          6.8.0-syzkaller-11752-gdba89d1b81df #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
==================================================================

Crashes (130):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/21 13:34 upstream dba89d1b81df 6753db5c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/03/05 03:47 upstream 90d35da658da 5fc53669 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/03/01 20:56 upstream 17ba56605bfd 83acf9e0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/02/25 18:04 upstream ab0a97cffa0b 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/02/17 21:22 upstream ced590523156 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/02/17 05:59 upstream 0f1dd5e91e2b 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/02/14 05:21 upstream 7e90b5c295ec d902085f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/02/07 03:23 upstream 99bd3cb0d12e 6404acf9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/02/04 10:58 upstream 3a0e92207940 a67b2c42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/31 03:12 upstream 2a6526c4f389 7f400fcb .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/30 16:35 upstream 861c0981648f 7f400fcb .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/30 04:21 upstream 861c0981648f 991a98f4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/29 14:52 upstream 41bccc98fb79 991a98f4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/29 02:45 upstream 4854cf9c61d0 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/27 07:31 upstream 3a5879d495b2 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/26 14:49 upstream ecb1b8288dc7 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/24 18:53 upstream 615d30064886 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/23 18:37 upstream 7ed2632ec7d7 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/22 13:24 upstream 6613476e225e 9bd8dcda .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/21 20:46 upstream 4fbbed787267 9bd8dcda .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/19 07:47 upstream 86c4d58a99ab 21772ce4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/18 22:17 upstream 296455ade1fd 239abf84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/18 01:52 upstream 1b1934dbbdcf 915053c7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/17 21:14 upstream 1b1934dbbdcf c9a1c95b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/15 17:55 upstream 052d534373b7 2a7bcc7f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/13 12:24 upstream 052d534373b7 551587c1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/13 03:33 upstream 70d201a40823 551587c1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/11 21:51 upstream 3e7aeb78ab01 dda5a988 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/11 06:43 upstream de927f6c0b07 00f3cc59 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/10 02:30 upstream 35f11a3710cd b438bd66 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/09 13:05 upstream 9f8413c4a66f 4807fb37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/09 10:14 upstream 9f8413c4a66f 4c0fd4bb .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/09 00:15 upstream 5db8752c3b81 4c0fd4bb .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/08 00:23 upstream 0dd3ee311255 d0304e9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/07 07:32 upstream 52b1853b080a d0304e9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/06 14:43 upstream 95c8a35f1c01 d0304e9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/05 02:04 upstream 5eff55d725a4 28c42cff .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/04 05:13 upstream ac865f00af29 28c42cff .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2024/01/01 10:06 upstream 610a9b8f49fb fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2023/12/31 21:50 upstream 2639772a11c8 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2023/12/30 22:28 upstream 453f5db0619e fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2023/12/29 02:07 upstream 505e701c0b2c fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2023/12/28 02:47 upstream f5837722ffec fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2023/12/26 18:17 upstream fbafc3e621c3 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2023/12/25 17:13 upstream 861deac3b092 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2023/12/23 14:35 upstream 5254c0cbc92d fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2023/12/22 20:46 upstream 24e0d2e527a3 fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2023/12/21 08:58 upstream a4aebe936554 4f9530a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2023/12/21 03:53 upstream 1a44b0073b92 de21eb89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2023/12/20 15:37 upstream 55cb5f43689d de21eb89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2023/12/20 11:11 upstream 55cb5f43689d 3ad490ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2023/12/08 08:17 upstream 9ace34a8e446 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
2023/11/26 01:37 upstream b46ae77f6787 5b429f39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in inode_update_timestamps / inode_update_timestamps
* Struck through repros no longer work on HEAD.