gfs2: fsid=syz:syz.0: G: s:UN n:2/81a f: t:UN d:EX/0 a:0 v:0 r:-128 m:20 p:1 ------------[ cut here ]------------ kernel BUG at fs/gfs2/glock.c:289! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 51 Comm: kworker/1:1H Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: glock_workqueue glock_work_func pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __gfs2_glock_put+0x498/0x51c fs/gfs2/glock.c:289 lr : __gfs2_glock_put+0x498/0x51c fs/gfs2/glock.c:289 sp : ffff80001ce47ac0 x29: ffff80001ce47ac0 x28: fffffbffeffe7000 x27: ffff0000f46fd108 x26: ffff0000c4dbba18 x25: dfff800000000000 x24: 0000000000000140 x23: ffff0000c9978000 x22: dfff800000000000 x21: 1fffe0001932f015 x20: ffff0000f46fd2c8 x19: ffff0000f46fcfd8 x18: ffff800011abbcc0 x17: 3a7220303a762030 x16: ffff8000082d22e0 x15: 0000000000000000 x14: 00000000ffffffff x13: fffffffffffc8fd8 x12: 0000000000ff0100 x11: ff0080000a1901e4 x10: 0000000000000000 x9 : ef00d8e1e23b7e00 x8 : ef00d8e1e23b7e00 x7 : fffffffffffc8fd8 x6 : fffffffffffc8f90 x5 : ffff80001ce470f8 x4 : ffff800015177e08 x3 : ffff80000a84592c x2 : ffff00019f6ddd10 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __gfs2_glock_put+0x498/0x51c fs/gfs2/glock.c:289 glock_work_func+0x238/0x428 fs/gfs2/glock.c:1105 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: aa1f03e0 aa1303e1 52800022 97fff80d (d4210000) ---[ end trace 0000000000000000 ]---