syzbot

 sign-in | mailing list | source | docs
🐞 Open [870]
🐞 Fixed [141]
🐞 Invalid [1008]
⬇ Missing Backports [73]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

WARNING in dbAdjTree

Status: upstream: reported C repro on 2024/04/13 02:01
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+fd2a031faefa115b2187@syzkaller.appspotmail.com
First crash: 666d, last: 7h57m
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2024/04/30 upstream (ToT) 98369dccd2f8 C [report] WARNING in dbAdjTree
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in dbAdjTree origin:upstream -1 C 5056 6d03h 664d 0/3 upstream: reported C repro on 2024/04/14 07:03
linux-6.6 WARNING in dbAdjTree origin:upstream -1 C 1031 6d01h 235d 0/2 upstream: reported C repro on 2025/06/17 16:22
upstream WARNING in dbAdjTree jfs -1 C inconclusive 47877 18m 751d 0/29 upstream: reported C repro on 2024/01/18 07:38
▶ ▼ Fix bisection attempts (3)
Created Duration User Patch Repo Result
2024/10/11 10:20 1h42m bisect fix linux-6.1.y OK (0) job log log
2024/08/26 20:53 2h14m bisect fix linux-6.1.y OK (0) job log log
2024/07/17 04:55 1h22m bisect fix linux-6.1.y OK (0) job log log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 107 at fs/jfs/jfs_dmap.c:2875 dbAdjTree+0x448/0x4d0 fs/jfs/jfs_dmap.c:2875
Modules linked in:
CPU: 1 PID: 107 Comm: jfsCommit Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:dbAdjTree+0x448/0x4d0 fs/jfs/jfs_dmap.c:2875
Code: e8 1d 56 e6 fe e9 5a ff ff ff e8 f3 24 96 fe eb 05 e8 ec 24 96 fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d8 24 96 fe <0f> 0b eb e8 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ee fb ff ff 4c
RSP: 0018:ffffc90002d57668 EFLAGS: 00010293
RAX: ffffffff82eabaf8 RBX: ffff88802ee90010 RCX: ffff88801a3f0000
RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000020056
RBP: 0000000000020056 R08: dffffc0000000000 R09: fffff94000177481
R10: fffff94000177481 R11: 1ffffd4000177480 R12: ffff88802ee90018
R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f45d3f70000 CR3: 000000000c68e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dbJoin+0x238/0x300 fs/jfs/jfs_dmap.c:2843
 dbFreeBits+0x4e1/0xda0 fs/jfs/jfs_dmap.c:2340
 dbFreeDmap fs/jfs/jfs_dmap.c:2089 [inline]
 dbFree+0x32e/0x640 fs/jfs/jfs_dmap.c:398
 txFreeMap+0x9e2/0xde0 fs/jfs/jfs_txnmgr.c:2516
 xtTruncate+0xcb5/0x2c60 fs/jfs/jfs_xtree.c:2467
 jfs_free_zero_link+0x337/0x490 fs/jfs/namei.c:758
 jfs_evict_inode+0x359/0x430 fs/jfs/inode.c:159
 evict+0x485/0x870 fs/inode.c:705
 txLazyCommit fs/jfs/jfs_txnmgr.c:2665 [inline]
 jfs_lazycommit+0x427/0xa50 fs/jfs/jfs_txnmgr.c:2733
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>

Crashes (3449):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/17 00:01 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan WARNING in dbAdjTree
2025/12/14 03:46 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan WARNING in dbAdjTree
2025/09/06 13:51 linux-6.1.y 28c695c365e1 d291dd2d .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan WARNING in dbAdjTree
2025/05/21 09:41 linux-6.1.y 325285d9fc86 b47f9e02 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan WARNING in dbAdjTree
2024/04/13 03:18 linux-6.1.y bf1e3b1cb1e0 c8349e48 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/18 15:25 linux-6.1.y cd9b81672742 20d37d28 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 WARNING in dbAdjTree
2025/10/05 11:02 linux-6.1.y 882efbdd9d34 49379ee0 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 WARNING in dbAdjTree
2025/08/29 20:39 linux-6.1.y f89b6e15694c 3e1beec6 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 WARNING in dbAdjTree
2025/05/21 09:18 linux-6.1.y 325285d9fc86 b47f9e02 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 WARNING in dbAdjTree
2025/02/09 20:11 linux-6.1.y 0cbb5f65e52f ef44b750 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-1-kasan-arm64 WARNING in dbAdjTree
2025/02/01 13:01 linux-6.1.y 75cefdf153f5 aa47157c .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in dbAdjTree
2024/10/23 23:02 linux-6.1.y 7ec6f9fa3d97 15fa2979 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in dbAdjTree
2026/02/07 18:41 linux-6.1.y 0182cb5b74ee 4c131dc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/07 00:40 linux-6.1.y 0182cb5b74ee f20fc9f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/06 18:54 linux-6.1.y 0182cb5b74ee 97745f52 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/06 18:51 linux-6.1.y 0182cb5b74ee 97745f52 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/06 12:39 linux-6.1.y cd9b81672742 97745f52 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/05 22:53 linux-6.1.y cd9b81672742 f03c4191 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/05 10:32 linux-6.1.y cd9b81672742 4936e85c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/05 10:30 linux-6.1.y cd9b81672742 4936e85c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/04 15:09 linux-6.1.y cd9b81672742 ea10c935 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/03 23:11 linux-6.1.y cd9b81672742 42b01fab .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/03 22:43 linux-6.1.y cd9b81672742 42b01fab .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/03 11:11 linux-6.1.y cd9b81672742 6df4c87a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/03 11:11 linux-6.1.y cd9b81672742 6df4c87a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/03 09:57 linux-6.1.y cd9b81672742 6df4c87a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/02 22:06 linux-6.1.y cd9b81672742 d78927dd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/02 10:56 linux-6.1.y cd9b81672742 018ebef2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/02 10:56 linux-6.1.y cd9b81672742 018ebef2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/02 09:45 linux-6.1.y cd9b81672742 018ebef2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/02 06:21 linux-6.1.y cd9b81672742 6b8752f2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/01 05:20 linux-6.1.y cd9b81672742 6b8752f2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/31 13:34 linux-6.1.y cd9b81672742 afc0c4d4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/31 01:35 linux-6.1.y cd9b81672742 c75a2f6e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/31 01:15 linux-6.1.y cd9b81672742 c75a2f6e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/30 16:55 linux-6.1.y cd9b81672742 ae7dc18c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/30 12:46 linux-6.1.y cd9b81672742 ae7dc18c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/30 01:19 linux-6.1.y cd9b81672742 bfa73b7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/30 01:12 linux-6.1.y cd9b81672742 bfa73b7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/30 00:11 linux-6.1.y cd9b81672742 bfa73b7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/29 12:54 linux-6.1.y cd9b81672742 aeb6fdd5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/29 12:54 linux-6.1.y cd9b81672742 aeb6fdd5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/29 11:49 linux-6.1.y cd9b81672742 aeb6fdd5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/29 01:11 linux-6.1.y cd9b81672742 0adc945e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/29 00:03 linux-6.1.y cd9b81672742 0adc945e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/29 00:03 linux-6.1.y cd9b81672742 0adc945e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/28 12:45 linux-6.1.y cd9b81672742 004c195c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/28 11:36 linux-6.1.y cd9b81672742 004c195c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/28 00:21 linux-6.1.y cd9b81672742 3029c699 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/27 23:33 linux-6.1.y cd9b81672742 3029c699 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/27 16:03 linux-6.1.y cd9b81672742 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/01/27 11:36 linux-6.1.y cd9b81672742 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2024/04/13 02:00 linux-6.1.y bf1e3b1cb1e0 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in dbAdjTree
2026/02/03 19:11 linux-6.1.y cd9b81672742 6df4c87a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in dbAdjTree
2026/02/01 23:20 linux-6.1.y cd9b81672742 6b8752f2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in dbAdjTree
2026/02/01 14:54 linux-6.1.y cd9b81672742 6b8752f2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in dbAdjTree
2026/01/30 08:59 linux-6.1.y cd9b81672742 bfa73b7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in dbAdjTree
2026/01/29 22:01 linux-6.1.y cd9b81672742 aeb6fdd5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in dbAdjTree
* Struck through repros no longer work on HEAD.