syzbot

 sign-in | mailing list | source | docs
🐞 Open [677]
🐞 Fixed [94]
🐞 Invalid [514]
⬇ Missing Backports [36]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

kernel BUG in submit_bh_wbc (2)

Status: upstream: reported C repro on 2024/07/26 16:49
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+e2f0d8715ecd9cb1024c@syzkaller.appspotmail.com
First crash: 118d, last: 2d21h
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2024/11/10 linux-6.1.y (ToT) d7039b844a1c C [report] kernel BUG in submit_bh_wbc
2024/11/10 upstream (ToT) de2f378f2b77 C Didn't crash
▶ ▼ Similar bugs (10)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 kernel BUG in submit_bh_wbc origin:lts-only C done 19 168d 596d 3/3 fixed on 2024/07/20 06:27
upstream kernel BUG at fs/buffer.c:LINE! nilfs C done error 567 226d 2408d 25/28 fixed on 2024/04/10 03:59
upstream kernel BUG in submit_bh_wbc (2) udf C done 123 105d 210d 27/28 fixed on 2024/08/14 03:44
linux-4.14 kernel BUG at fs/buffer.c:LINE! C error 59 640d 2034d 0/1 upstream: reported C repro on 2019/04/27 19:47
linux-4.19 kernel BUG at fs/buffer.c:LINE! (2) udf ext4 C error 31 647d 1461d 0/1 upstream: reported C repro on 2020/11/21 07:48
android-54 kernel BUG at fs/buffer.c:LINE! ext4 C 1187 28d 1766d 0/2 upstream: reported C repro on 2020/01/21 13:12
upstream kernel BUG in submit_bh_wbc (3) nilfs fs C done 18 31d 38d 28/28 fixed on 2024/11/12 23:31
linux-5.15 kernel BUG in submit_bh_wbc C error 8 258d 536d 0/3 auto-obsoleted due to no activity on 2024/06/16 14:58
upstream kernel BUG in submit_bh_wbc nilfs C done 10 211d 220d 25/28 fixed on 2024/04/24 18:26
android-6-1 kernel BUG in submit_bh_wbc missing-backport origin:lts C done done 801 now 525d 0/2 upstream: reported C repro on 2023/06/15 00:20

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/buffer.c:2666!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4298 Comm: kmmpd-loop0 Not tainted 6.1.115-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : submit_bh_wbc+0x3f4/0x468 fs/buffer.c:2666
lr : submit_bh_wbc+0x3f4/0x468 fs/buffer.c:2666
sp : ffff800020fa7b10
x29: ffff800020fa7b20 x28: 1fffe0001b0dfc72 x27: dfff800000000000
x26: 1ffff000041f4f74 x25: 0000000000000000 x24: 1fffe0001be64800
x23: 1fffe0001b0dfccf x22: ffff0000da3d4000 x21: 0000000000003801
x20: ffff0000df324000 x19: 0000000000000005 x18: 1fffe0001b46a3ff
x17: ffff8000159cd000 x16: ffff800008304afc x15: ffff0001b3cf8bbc
x14: 1ffff00002b3a0b0 x13: dfff800000000000 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008b3f4bc
x8 : ffff0000c9eb5340 x7 : ffff800008eb35f0 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008eb30b8
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 submit_bh_wbc+0x3f4/0x468 fs/buffer.c:2666
 submit_bh+0x2c/0x3c fs/buffer.c:2707
 write_mmp_block_thawed+0x340/0x52c fs/ext4/mmp.c:51
 write_mmp_block+0x23c/0x734 fs/ext4/mmp.c:67
 kmmpd+0x330/0x9f8 fs/ext4/mmp.c:178
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
Code: 17ffffad 97e6e2e8 d4210000 97e6e2e6 (d4210000) 
---[ end trace 0000000000000000 ]---

Crashes (43):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/04 00:06 linux-6.1.y 7c15117f9468 f00eed24 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 kernel BUG in submit_bh_wbc
2024/11/18 21:30 linux-6.1.y b67dc5c9ade9 e7bb5d6e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/11/10 04:54 linux-6.1.y d7039b844a1c 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/10/15 00:08 linux-6.1.y aa4cd140bba5 b01b6661 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/10/08 23:15 linux-6.1.y aa4cd140bba5 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/10/08 07:17 linux-6.1.y aa4cd140bba5 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/24 05:57 linux-6.1.y e526b12bf916 89298aad .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/20 15:31 linux-6.1.y e526b12bf916 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/18 21:35 linux-6.1.y e526b12bf916 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/15 15:35 linux-6.1.y 5f55cad62cc9 08d8a733 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/15 15:34 linux-6.1.y 5f55cad62cc9 08d8a733 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/13 20:58 linux-6.1.y 5f55cad62cc9 b58f933c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/13 20:54 linux-6.1.y 5f55cad62cc9 b58f933c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/13 20:54 linux-6.1.y 5f55cad62cc9 b58f933c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:43 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:42 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:41 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:41 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:41 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:40 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:39 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:35 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:34 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:33 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:32 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:31 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:28 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:26 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:25 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/09/12 07:23 linux-6.1.y 5ca5b389fddf d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in submit_bh_wbc
2024/11/03 22:52 linux-6.1.y 7c15117f9468 f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in submit_bh_wbc
2024/11/03 22:25 linux-6.1.y 7c15117f9468 f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in submit_bh_wbc
2024/10/27 16:24 linux-6.1.y 7ec6f9fa3d97 65e8686b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in submit_bh_wbc
2024/10/17 08:22 linux-6.1.y aa4cd140bba5 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in submit_bh_wbc
2024/10/02 04:33 linux-6.1.y aa4cd140bba5 ea2b66a6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in submit_bh_wbc
2024/10/02 04:31 linux-6.1.y aa4cd140bba5 ea2b66a6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in submit_bh_wbc
2024/10/02 04:24 linux-6.1.y aa4cd140bba5 ea2b66a6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in submit_bh_wbc
2024/10/02 04:21 linux-6.1.y aa4cd140bba5 ea2b66a6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in submit_bh_wbc
2024/09/23 04:50 linux-6.1.y e526b12bf916 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in submit_bh_wbc
2024/09/21 21:35 linux-6.1.y e526b12bf916 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in submit_bh_wbc
2024/09/21 20:58 linux-6.1.y e526b12bf916 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in submit_bh_wbc
2024/09/19 14:52 linux-6.1.y e526b12bf916 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in submit_bh_wbc
2024/07/26 16:49 linux-6.1.y c18e82d3ee44 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in submit_bh_wbc
* Struck through repros no longer work on HEAD.