gfs2: fsid=syz:syz.s: 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: 0 UID: 0 PID: 97 Comm: kworker/0:1H Not tainted 6.16.0-rc6-next-20250717-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 b6 b7 c9 fd e9 30 fe ff ff e8 ac b7 c9 fd 31 ff 48 89 de ba 01 00 00 00 e8 9d de ff ff 90 <0f> 0b e8 95 b7 c9 fd 31 f6 65 ff 0d 5c 56 ae 0e 40 0f 94 c5 40 0f RSP: 0018:ffffc9000211fa48 EFLAGS: 00010246 RAX: 70b20f40a45e7900 RBX: ffff888057f04fd8 RCX: ffff88801e7f8000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffc9000211f307 R09: 1ffff92000423e60 R10: dffffc0000000000 R11: fffff52000423e61 R12: dffffc0000000000 R13: 1ffff1100f649815 R14: ffff88807b24c000 R15: ffff888057f052c8 FS: 0000000000000000(0000) GS:ffff888125bd9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1088dd537b CR3: 0000000072e0e000 CR4: 00000000003526f0 Call Trace: process_one_work kernel/workqueue.c:3239 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3322 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3403 kthread+0x70e/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 b6 b7 c9 fd e9 30 fe ff ff e8 ac b7 c9 fd 31 ff 48 89 de ba 01 00 00 00 e8 9d de ff ff 90 <0f> 0b e8 95 b7 c9 fd 31 f6 65 ff 0d 5c 56 ae 0e 40 0f 94 c5 40 0f RSP: 0018:ffffc9000211fa48 EFLAGS: 00010246 RAX: 70b20f40a45e7900 RBX: ffff888057f04fd8 RCX: ffff88801e7f8000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffc9000211f307 R09: 1ffff92000423e60 R10: dffffc0000000000 R11: fffff52000423e61 R12: dffffc0000000000 R13: 1ffff1100f649815 R14: ffff88807b24c000 R15: ffff888057f052c8 FS: 0000000000000000(0000) GS:ffff888125bd9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556008a808 CR3: 0000000075e14000 CR4: 00000000003526f0