syzbot


WARNING in dbAdjTree

Status: upstream: reported C repro on 2025/06/17 16:22
Reported-by: syzbot+a69dfcbd991f4b75fc50@syzkaller.appspotmail.com
First crash: 15h46m, last: 2h55m
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in dbAdjTree origin:upstream C 3264 2h27m 430d 0/3 upstream: reported C repro on 2024/04/14 07:03
linux-6.1 WARNING in dbAdjTree origin:upstream C 866 20h53m 431d 0/3 upstream: reported C repro on 2024/04/13 02:01
upstream WARNING in dbAdjTree jfs C inconclusive 26831 8m 517d 0/28 upstream: reported C repro on 2024/01/18 07:38

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 112 at fs/jfs/jfs_dmap.c:2882 dbAdjTree+0x448/0x4d0 fs/jfs/jfs_dmap.c:2882
Modules linked in:
CPU: 1 PID: 112 Comm: jfsCommit Not tainted 6.6.93-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:dbAdjTree+0x448/0x4d0 fs/jfs/jfs_dmap.c:2882
Code: e8 6d 32 e0 fe e9 5a ff ff ff e8 d3 8d 87 fe eb 05 e8 cc 8d 87 fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b8 8d 87 fe <0f> 0b eb e8 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ee fb ff ff 4c
RSP: 0000:ffffc90002ce7ac8 EFLAGS: 00010293
RAX: ffffffff82fe0928 RBX: ffff88802e100010 RCX: ffff888018f0bc00
RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000020056
RBP: 0000000000020056 R08: ffffea0000b84007 R09: 1ffffd4000170800
R10: dffffc0000000000 R11: fffff94000170801 R12: ffff88802e100018
R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000155
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9b2c045000 CR3: 0000000078435000 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:2850
 dbFreeBits+0x4e2/0xdb0 fs/jfs/jfs_dmap.c:2347
 dbFreeDmap fs/jfs/jfs_dmap.c:2096 [inline]
 dbFree+0x332/0x650 fs/jfs/jfs_dmap.c:413
 txFreeMap+0x7ff/0xde0 fs/jfs/jfs_txnmgr.c:2534
 txUpdateMap+0x306/0x890 fs/jfs/jfs_txnmgr.c:-1
 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
 jfs_lazycommit+0x42b/0xa60 fs/jfs/jfs_txnmgr.c:2732
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>

Crashes (26):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/18 05:13 linux-6.6.y c2603c511feb e77fae15 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 20:28 linux-6.6.y c2603c511feb e77fae15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 20:28 linux-6.6.y c2603c511feb e77fae15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 20:27 linux-6.6.y c2603c511feb e77fae15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 20:27 linux-6.6.y c2603c511feb e77fae15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 20:25 linux-6.6.y c2603c511feb e77fae15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 20:25 linux-6.6.y c2603c511feb e77fae15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:34 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:33 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:33 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:33 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:31 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:31 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:30 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:30 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:30 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:28 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:28 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:27 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:27 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:25 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:24 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:24 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:23 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:22 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
2025/06/17 16:21 linux-6.6.y c2603c511feb cfebc887 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in dbAdjTree
* Struck through repros no longer work on HEAD.