gfs2: fsid=syz:syz.s: G: s:UN n:2/924 f:n 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! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4366 Comm: syz-executor Not tainted 6.1.144-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__gfs2_glock_put+0x3d3/0x420 fs/gfs2/glock.c:289 Code: 00 00 e8 20 83 f4 fd 40 84 ed 75 2c e8 b6 80 f4 fd e9 e3 fd ff ff e8 ac 80 f4 fd 31 ff 48 89 de ba 01 00 00 00 e8 0d de ff ff <0f> 0b e8 96 80 f4 fd 0f 0b e9 2c ff ff ff e8 8a 80 f4 fd e8 ad 29 RSP: 0018:ffffc900043e79a8 EFLAGS: 00010246 RAX: 454fab1975a4f800 RBX: ffff8880778e2f88 RCX: ffff888019f13b80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff5200087ce49 R10: fffff5200087ce49 R11: 1ffff9200087ce48 R12: dffffc0000000000 R13: 1ffff1100f019015 R14: ffff8880780c8000 R15: ffff8880778e3278 FS: 000055557fcb7500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c508ff8 CR3: 000000005b297000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_glock_put_eventually fs/gfs2/super.c:1257 [inline] gfs2_evict_inode+0xe85/0x1170 fs/gfs2/super.c:1534 evict+0x485/0x870 fs/inode.c:705 gfs2_put_super+0x412/0x8c0 fs/gfs2/super.c:616 generic_shutdown_super+0x130/0x340 fs/super.c:501 kill_block_super+0x7c/0xe0 fs/super.c:1470 deactivate_locked_super+0x93/0xf0 fs/super.c:332 cleanup_mnt+0x463/0x4f0 fs/namespace.c:1182 task_work_run+0x1ca/0x250 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f20b5d8fc57 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffdb13ce0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007f20b5e10925 RCX: 00007f20b5d8fc57 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdb13ce190 RBP: 00007ffdb13ce190 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdb13cf220 R13: 00007f20b5e10925 R14: 0000000000039ffd R15: 00007ffdb13cf260 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__gfs2_glock_put+0x3d3/0x420 fs/gfs2/glock.c:289 Code: 00 00 e8 20 83 f4 fd 40 84 ed 75 2c e8 b6 80 f4 fd e9 e3 fd ff ff e8 ac 80 f4 fd 31 ff 48 89 de ba 01 00 00 00 e8 0d de ff ff <0f> 0b e8 96 80 f4 fd 0f 0b e9 2c ff ff ff e8 8a 80 f4 fd e8 ad 29 RSP: 0018:ffffc900043e79a8 EFLAGS: 00010246 RAX: 454fab1975a4f800 RBX: ffff8880778e2f88 RCX: ffff888019f13b80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff5200087ce49 R10: fffff5200087ce49 R11: 1ffff9200087ce48 R12: dffffc0000000000 R13: 1ffff1100f019015 R14: ffff8880780c8000 R15: ffff8880778e3278 FS: 000055557fcb7500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c80aff8 CR3: 000000005b297000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400