gfs2: fsid=syz:syz.0: G: s:UN n:2/81a f:a t:UN d:EX/0 a:0 v:0 r:-128 m:20 p:1 ------------[ cut here ]------------ kernel BUG at fs/gfs2/glock.c:274! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 28575 Comm: kworker/1:2H Not tainted 6.16.0-rc5-next-20250711-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: gfs2-glock/syz:syz glock_work_func RIP: 0010:__gfs2_glock_put+0x384/0x3e0 fs/gfs2/glock.c:274 Code: 3f 48 89 de e8 ed 0e ff ff eb 26 e8 26 8a ca fd e9 30 fe ff ff e8 1c 8a ca fd 31 ff 48 89 de ba 01 00 00 00 e8 9d de ff ff 90 <0f> 0b e8 05 8a ca fd 31 f6 65 ff 0d 9c 72 b0 0e 40 0f 94 c5 40 0f RSP: 0018:ffffc9000b457a48 EFLAGS: 00010246 RAX: 2edb1a10452d4d00 RBX: ffff888033dc2f88 RCX: ffff888029988000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffc9000b457307 R09: 1ffff9200168ae60 R10: dffffc0000000000 R11: fffff5200168ae61 R12: dffffc0000000000 R13: 1ffff1100c5d8815 R14: ffff888062ec4000 R15: ffff888033dc3278 FS: 0000000000000000(0000) GS:ffff888125cc6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555559b11808 CR3: 000000002fbfe000 CR4: 00000000003526f0 Call Trace: process_one_work kernel/workqueue.c:3239 [inline] process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3322 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3403 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__gfs2_glock_put+0x384/0x3e0 fs/gfs2/glock.c:274 Code: 3f 48 89 de e8 ed 0e ff ff eb 26 e8 26 8a ca fd e9 30 fe ff ff e8 1c 8a ca fd 31 ff 48 89 de ba 01 00 00 00 e8 9d de ff ff 90 <0f> 0b e8 05 8a ca fd 31 f6 65 ff 0d 9c 72 b0 0e 40 0f 94 c5 40 0f RSP: 0018:ffffc9000b457a48 EFLAGS: 00010246 RAX: 2edb1a10452d4d00 RBX: ffff888033dc2f88 RCX: ffff888029988000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffc9000b457307 R09: 1ffff9200168ae60 R10: dffffc0000000000 R11: fffff5200168ae61 R12: dffffc0000000000 R13: 1ffff1100c5d8815 R14: ffff888062ec4000 R15: ffff888033dc3278 FS: 0000000000000000(0000) GS:ffff888125cc6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555559b11808 CR3: 0000000030222000 CR4: 00000000003526f0