gfs2: fsid=syz:syz.s: G: s:UN n:2/925 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:302! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5783 Comm: syz-executor Not tainted 6.6.98-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__gfs2_glock_put+0x355/0x3b0 fs/gfs2/glock.c:302 Code: 8b 3f 48 89 de e8 db 15 ff ff eb 25 e8 44 3a e5 fd e9 d1 fe ff ff e8 3a 3a e5 fd 31 ff 48 89 de ba 01 00 00 00 e8 bb df ff ff <0f> 0b e8 24 3a e5 fd 31 f6 65 ff 0d b3 4d 63 7c 40 0f 94 c5 40 0f RSP: 0018:ffffc9000462fa28 EFLAGS: 00010246 RAX: 66569739c13e1f00 RBX: ffff8880304e9a68 RCX: ffff88807d6e5a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffc9000462f2c7 R09: 1ffff920008c5e58 R10: dffffc0000000000 R11: fffff520008c5e59 R12: dffffc0000000000 R13: 1ffff1100f8c3015 R14: ffff88807c618000 R15: ffff8880304e9d58 FS: 000055556b8e6500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555919b3808 CR3: 000000002608b000 CR4: 00000000003506e0 Call Trace: gfs2_glock_put_eventually fs/gfs2/super.c:1275 [inline] gfs2_evict_inode+0x65a/0x1220 fs/gfs2/super.c:1557 evict+0x486/0x870 fs/inode.c:705 gfs2_evict_inodes fs/gfs2/ops_fstype.c:1777 [inline] gfs2_kill_sb+0x2aa/0x320 fs/gfs2/ops_fstype.c:1796 deactivate_locked_super+0x97/0x100 fs/super.c:481 cleanup_mnt+0x429/0x4c0 fs/namespace.c:1250 task_work_run+0x1ce/0x250 kernel/task_work.c:239 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:291 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fde42f8fc57 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:00007ffdcb19e9d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007fde43010925 RCX: 00007fde42f8fc57 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdcb19ea90 RBP: 00007ffdcb19ea90 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdcb19fb20 R13: 00007fde43010925 R14: 00000000000a5ea3 R15: 00007ffdcb19fb60 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__gfs2_glock_put+0x355/0x3b0 fs/gfs2/glock.c:302 Code: 8b 3f 48 89 de e8 db 15 ff ff eb 25 e8 44 3a e5 fd e9 d1 fe ff ff e8 3a 3a e5 fd 31 ff 48 89 de ba 01 00 00 00 e8 bb df ff ff <0f> 0b e8 24 3a e5 fd 31 f6 65 ff 0d b3 4d 63 7c 40 0f 94 c5 40 0f RSP: 0018:ffffc9000462fa28 EFLAGS: 00010246 RAX: 66569739c13e1f00 RBX: ffff8880304e9a68 RCX: ffff88807d6e5a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffc9000462f2c7 R09: 1ffff920008c5e58 R10: dffffc0000000000 R11: fffff520008c5e59 R12: dffffc0000000000 R13: 1ffff1100f8c3015 R14: ffff88807c618000 R15: ffff8880304e9d58 FS: 000055556b8e6500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc004beb18 CR3: 000000002608b000 CR4: 00000000003506e0