syzbot

gfs2: fsid=syz:syz.0: jid=0, already locked for use
gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
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kernel BUG at block/bio.c:335!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4350 Comm: kworker/0:4 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Workqueue: gfs_recovery gfs2_recover_func
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : bio_chain+0x110/0x13c block/bio.c:335
lr : bio_chain+0x110/0x13c block/bio.c:335
sp : ffff800020ce7640
x29: ffff800020ce7640 x28: 0000000000000001 x27: 0000000000000000
x26: 0000000000000800 x25: ffff0000d81361a8 x24: 0000000000000800
x23: 1fffe0001b026c38 x22: dfff800000000000 x21: ffff0000d8136180
x20: ffff0000d81361c0 x19: ffff0000d8136000 x18: ffff800011a6bd40
x17: ffff80000a6ab7b8 x16: ffff8000082d35d8 x15: ffff8000086e9bc8
x14: ffff8000088cb548 x13: 1ffff00002a0a0b1 x12: 0000000000ff0100
x11: ff0080000a6ab15c x10: 0000000000000000 x9 : ffff80000a6ab15c
x8 : ffff0000cf2e0000 x7 : ffff80000a74ca4c x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000008 x1 : ffff0000d8136000 x0 : ffff0000d8136180
Call trace:
 bio_chain+0x110/0x13c block/bio.c:335
 gfs2_chain_bio fs/gfs2/lops.c:494 [inline]
 gfs2_find_jhead+0x718/0xb30 fs/gfs2/lops.c:559
 gfs2_recover_func+0x4e0/0x1670 fs/gfs2/recovery.c:460
 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292
 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
Code: 54fffd6b 9788bb8e 17ffffe9 9777e48a (d4210000) 
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