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: 26 Comm: kworker/1:1 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: 36 cd e0 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 57 cb e0 fd eb cd e8 80 e0 8f fd <0f> 0b e8 79 e0 8f fd 0f 0b 0f 1f 80 00 00 00 00 55 41 57 41 56 41
RSP: 0018:ffffc90000a1f6f0 EFLAGS: 00010293
RAX: ffffffff83f271f0 RBX: ffff88805432fa00 RCX: ffff888017763b80
RDX: 0000000000000000 RSI: ffff88805432fa00 RDI: ffff88805432f8c0
RBP: 0000000000000004 R08: ffffffff8e1f482f R09: 1ffffffff1c3e905
R10: dffffc0000000000 R11: fffffbfff1c3e906 R12: dffffc0000000000
R13: 1ffff1100a865f20 R14: ffff88805432f8c0 R15: ffff88805432f900
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd50ab71000 CR3: 0000000058778000 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+0x6d2/0x1ca0 fs/gfs2/recovery.c:460
 process_one_work+0x8a2/0x1160 kernel/workqueue.c:2292
 worker_thread+0xaa2/0x1270 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: 36 cd e0 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 57 cb e0 fd eb cd e8 80 e0 8f fd <0f> 0b e8 79 e0 8f fd 0f 0b 0f 1f 80 00 00 00 00 55 41 57 41 56 41
RSP: 0018:ffffc90000a1f6f0 EFLAGS: 00010293
RAX: ffffffff83f271f0 RBX: ffff88805432fa00 RCX: ffff888017763b80
RDX: 0000000000000000 RSI: ffff88805432fa00 RDI: ffff88805432f8c0
RBP: 0000000000000004 R08: ffffffff8e1f482f R09: 1ffffffff1c3e905
R10: dffffc0000000000 R11: fffffbfff1c3e906 R12: dffffc0000000000
R13: 1ffff1100a865f20 R14: ffff88805432f8c0 R15: ffff88805432f900
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f184e1de2f8 CR3: 000000007e168000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400