syzbot


KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks (2)
Status: moderation: reported on 2021/06/02 03:38
Reported-by: syzbot+23e6d63bad68d0ee8fe2@syzkaller.appspotmail.com
First crash: 267d, last: 3d05h
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks 184 309d 461d 0/22 auto-closed as invalid on 2021/03/09 10:48

Sample crash report:

Crashes (147):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-upstream-kcsan-gce 2021/12/05 07:35 upstream 79a72162048e a617004c .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/12/01 03:23 upstream f080815fdb3e 80270552 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/11/28 16:00 upstream 3498e7f2bb41 63eeac02 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/11/25 19:58 upstream b501b85957de 63eeac02 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/11/22 15:02 upstream 136057256686 545ab074 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/11/22 02:19 upstream 40c93d7fff6f 4eb20a4e .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/11/20 04:30 upstream a90af8f15bdc 4eb20a4e .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/10/23 10:51 upstream 9c0c4d24ac00 282f03fb .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/10/13 08:39 upstream f4d0cc426f77 9d56e7dd .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/10/13 00:41 upstream f4d0cc426f77 08362356 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/10/10 20:47 upstream efb52a7d9511 838e7e2c .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/10/10 05:29 upstream 7fd2bf83d59a 838e7e2c .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/10/08 10:01 upstream 1da38549dd64 efe0f24d .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/10/06 02:28 upstream 60a9483534ed 0a63fd36 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/10/04 00:55 upstream 6761a0ae9895 db0f5787 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/10/01 04:31 upstream 4de593fb965f 1d849ab4 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/29 14:18 upstream a4e6f95a891a e08fe937 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/24 16:41 upstream f9e36107ec70 8cac236e .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/22 05:11 upstream 92477dd1faa6 169724fe .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/21 07:17 upstream e8f71f89236e af796c18 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/18 08:54 upstream 4357f03d6611 70b76c1d .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/17 19:43 upstream ddf21bd8ab98 70b76c1d .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/17 04:57 upstream bdb575f87217 5b989942 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/16 14:10 upstream ff1ffd71d5f0 aae492f2 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/15 19:55 upstream 80be5998ad63 07e953c1 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/15 12:31 upstream 3ca706c189db 07e953c1 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/14 00:16 upstream 316346243be6 58d09404 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/12 21:03 upstream 78e709522d2c 3ce60af8 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/10 13:13 upstream bf9f243f23e6 5ae8508a .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/10 04:04 upstream bf9f243f23e6 e2776ee4 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/09 18:58 upstream a3fa7a101dcf e2776ee4 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/09 02:11 upstream 2d338201d531 e2776ee4 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/06 19:31 upstream 27151f177827 6ca60148 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/03 18:33 upstream a9c9a6f741cd d236a457 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/09/02 04:00 upstream 835d31d319d9 7eb7e152 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/08/31 08:16 upstream 8596e589b787 8f58a0ef .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/08/30 12:59 upstream 7d2a07b76933 8f58a0ef .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/08/26 12:28 upstream 73f3af7b4611 b599f2fc .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/08/24 02:58 upstream d5ae8d7f85b7 b599f2fc .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/08/22 16:44 upstream 9ff50bf2f2ff b599f2fc .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/08/22 01:37 upstream 002c0aef1090 b599f2fc .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/08/21 11:32 upstream fa54d366a6e4 b599f2fc .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/08/20 17:41 upstream d992fe5318d8 b599f2fc .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/08/20 06:16 upstream f87d64319e6f b599f2fc .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/08/18 05:58 upstream 614cb2751d31 a2fe1cb5 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/08/14 19:33 upstream ba31f97d43be 2489ab88 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/08/13 05:16 upstream f8e6dfc64f61 3fd2ea69 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/08/12 22:33 upstream f8fbb47c6e86 c551a195 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/05/31 19:35 upstream c2131f7e73c9 032639db .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/05/29 03:23 upstream 5ff2756afde0 858ea628 .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks
ci2-upstream-kcsan-gce 2021/03/16 07:11 upstream 1a4431a5db2b fdb2bb2c .config log report info KCSAN: data-race in ext4_mb_regular_allocator / mb_free_blocks