syzbot


kernel BUG in dbFindBits

Status: upstream: reported C repro on 2023/11/22 10:15
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+306b27816dcf842bc83d@syzkaller.appspotmail.com
First crash: 453d, last: 36d
Fix bisection: failed (error log, bisect log)
  
Bug presence (1)
Date Name Commit Repro Result
2024/02/20 upstream (ToT) b401b621758e C [report] kernel BUG in dbFindBits
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG in dbFindLeaf jfs C inconclusive 3117 2h07m 875d 0/28 upstream: reported C repro on 2022/09/26 11:46
linux-5.15 kernel BUG in dbFindBits origin:upstream C 134 8d04h 337d 0/3 upstream: reported C repro on 2024/03/17 13:21
Fix bisection attempts (4)
Created Duration User Patch Repo Result
2024/10/25 01:54 1h07m bisect fix linux-6.1.y error job log
2024/09/16 14:40 3h39m bisect fix linux-6.1.y OK (0) job log log
2024/08/11 01:34 1h22m bisect fix linux-6.1.y OK (0) job log log
2024/06/30 11:42 2h09m bisect fix linux-6.1.y OK (0) job log log

Sample crash report:
loop0: detected capacity change from 0 to 32768
BUG at fs/jfs/jfs_dmap.c:3039 assert(bitno < 32)
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_dmap.c:3039!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4292 Comm: syz-executor367 Tainted: G        W          6.1.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3039
lr : dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3039
sp : ffff800021966b90
x29: ffff800021966b90 x28: 00000000ffffffff x27: 1ffff0000432cd7c
x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000000
x23: ffff800016040a10 x22: 0000000000000020 x21: 0000000000000000
x20: 0000000000000001 x19: 0000000000000000 x18: ffff8000219660e0
x17: 0000000000000000 x16: ffff80001232c2f4 x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : 0fd1993d9043e200
x8 : 0fd1993d9043e200 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800021966498 x4 : ffff800015b731e0 x3 : ffff80000ab388ec
x2 : ffff0001b3d00cd0 x1 : 0000000100000000 x0 : 0000000000000030
Call trace:
 dbFindBits+0x1e0/0x1e4 fs/jfs/jfs_dmap.c:3039
 dbAllocDmapLev+0x194/0x414 fs/jfs/jfs_dmap.c:1988
 dbAllocCtl+0x12c/0x890 fs/jfs/jfs_dmap.c:1828
 dbAllocAG+0x208/0xe4c fs/jfs/jfs_dmap.c:1364
 dbAlloc+0x520/0xb68 fs/jfs/jfs_dmap.c:888
 dtSplitUp fs/jfs/jfs_dtree.c:981 [inline]
 dtInsert+0xb18/0x573c fs/jfs/jfs_dtree.c:870
 jfs_create+0x698/0xa1c fs/jfs/namei.c:137
 lookup_open fs/namei.c:3482 [inline]
 open_last_lookups fs/namei.c:3550 [inline]
 path_openat+0xeac/0x2548 fs/namei.c:3780
 do_filp_open+0x1bc/0x3cc fs/namei.c:3810
 do_sys_openat2+0x128/0x3e0 fs/open.c:1318
 do_sys_open fs/open.c:1334 [inline]
 __do_sys_openat fs/open.c:1350 [inline]
 __se_sys_openat fs/open.c:1345 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1345
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 90046e63 91028063 52817be2 9593d42e (d4210000) 
---[ end trace 0000000000000000 ]---

Crashes (45):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/12/21 19:27 linux-6.1.y 29f02ec58a94 d7f584ee .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/02/20 02:31 linux-6.1.y 8b4118fabd6e 3af7dd65 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2025/01/09 04:39 linux-6.1.y 7dc732d24ff7 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dbFindBits
2025/01/02 05:46 linux-6.1.y 563edd786f0a d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dbFindBits
2024/08/13 00:09 linux-6.1.y 36790ef5e00b 842184b3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dbFindBits
2024/05/21 03:56 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dbFindBits
2024/05/13 22:47 linux-6.1.y 909ba1f1b414 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dbFindBits
2024/05/12 23:18 linux-6.1.y 909ba1f1b414 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dbFindBits
2024/05/06 07:23 linux-6.1.y 909ba1f1b414 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dbFindBits
2024/05/06 06:22 linux-6.1.y 909ba1f1b414 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dbFindBits
2024/04/15 04:48 linux-6.1.y cd5d98c0556c c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dbFindBits
2024/04/13 00:00 linux-6.1.y bf1e3b1cb1e0 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dbFindBits
2024/04/08 02:25 linux-6.1.y 347385861c50 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dbFindBits
2023/11/22 10:14 linux-6.1.y 69e434a1cb21 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dbFindBits
2025/01/12 08:31 linux-6.1.y c63962be84ef 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2025/01/07 08:44 linux-6.1.y 7dc732d24ff7 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/12/27 06:55 linux-6.1.y 29f02ec58a94 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/11/25 16:46 linux-6.1.y e4d90d63d385 68da6d95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/11/22 01:31 linux-6.1.y b67dc5c9ade9 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/11/04 11:21 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 dbFindBits
2024/11/04 07:08 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 dbFindBits
2024/11/03 03:54 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 dbFindBits
2024/11/02 18:03 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 dbFindBits
2024/09/23 02:16 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 dbFindBits
2024/05/20 13:43 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/05/19 16:36 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/05/13 05:21 linux-6.1.y 909ba1f1b414 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/05/05 20:18 linux-6.1.y 909ba1f1b414 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/04/29 07:03 linux-6.1.y f2295faba5e8 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/04/28 19:09 linux-6.1.y f2295faba5e8 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/04/26 21:17 linux-6.1.y 6741e066ec76 059e9963 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/04/21 17:14 linux-6.1.y 6741e066ec76 af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/04/15 11:56 linux-6.1.y cd5d98c0556c c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/04/15 01:53 linux-6.1.y cd5d98c0556c c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/04/11 09:52 linux-6.1.y bf1e3b1cb1e0 33b9e058 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/04/11 06:31 linux-6.1.y bf1e3b1cb1e0 33b9e058 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/04/09 12:22 linux-6.1.y 347385861c50 f3234354 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/04/06 09:12 linux-6.1.y 347385861c50 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/04/06 00:25 linux-6.1.y 347385861c50 77230c29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/04/04 23:40 linux-6.1.y 347385861c50 0ee3535e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/03/30 18:49 linux-6.1.y e5cd595e23c1 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/03/28 07:26 linux-6.1.y e5cd595e23c1 120789fd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/03/26 09:25 linux-6.1.y d7543167affd bcd9b39f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/03/13 12:24 linux-6.1.y 61adba85cc40 db5b7ff0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
2024/02/19 22:20 linux-6.1.y 8b4118fabd6e 3af7dd65 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dbFindBits
* Struck through repros no longer work on HEAD.