gfs2: fsid=syz:syz.0: jid=0, already locked for use
gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
------------[ cut here ]------------
kernel BUG at block/bio.c:335!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4317 Comm: kworker/1:6 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: gfs_recovery gfs2_recover_func
RIP: 0010:bio_chain+0xe0/0xf0 block/bio.c:335
Code: 56 cd e7 fd f0 ff 43 1c 5b 41 5c 41 5d 41 5e 41 5f 5d c3 89 f9 80 e1 07 fe c1 38 c1 7c d4 e8 77 cb e7 fd eb cd e8 c0 99 97 fd <0f> 0b e8 b9 99 97 fd 0f 0b 0f 1f 80 00 00 00 00 55 41 57 41 56 41
RSP: 0018:ffffc900040476f0 EFLAGS: 00010293
RAX: ffffffff83e97000 RBX: ffff88801ce96b40 RCX: ffff88801cf53b80
RDX: 0000000000000000 RSI: ffff88801ce96b40 RDI: ffff88801ce968c0
RBP: 0000000000000004 R08: dffffc0000000000 R09: fffffbfff1bfe48e
R10: fffffbfff1bfe48e R11: 1ffffffff1bfe48d R12: dffffc0000000000
R13: 1ffff110039d2d20 R14: ffff88801ce968c0 R15: ffff88801ce96900
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558153e808 CR3: 000000005c600000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_chain_bio fs/gfs2/lops.c:494 [inline]
 gfs2_find_jhead+0x5ca/0xd00 fs/gfs2/lops.c:559
 gfs2_recover_func+0x666/0x1c10 fs/gfs2/recovery.c:460
 process_one_work+0x898/0x1160 kernel/workqueue.c:2292
 worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bio_chain+0xe0/0xf0 block/bio.c:335
Code: 56 cd e7 fd f0 ff 43 1c 5b 41 5c 41 5d 41 5e 41 5f 5d c3 89 f9 80 e1 07 fe c1 38 c1 7c d4 e8 77 cb e7 fd eb cd e8 c0 99 97 fd <0f> 0b e8 b9 99 97 fd 0f 0b 0f 1f 80 00 00 00 00 55 41 57 41 56 41
RSP: 0018:ffffc900040476f0 EFLAGS: 00010293
RAX: ffffffff83e97000 RBX: ffff88801ce96b40 RCX: ffff88801cf53b80
RDX: 0000000000000000 RSI: ffff88801ce96b40 RDI: ffff88801ce968c0
RBP: 0000000000000004 R08: dffffc0000000000 R09: fffffbfff1bfe48e
R10: fffffbfff1bfe48e R11: 1ffffffff1bfe48d R12: dffffc0000000000
R13: 1ffff110039d2d20 R14: ffff88801ce968c0 R15: ffff88801ce96900
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c380fef CR3: 000000005c18f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400