gfs2: fsid=syz:syz.s: lock type: 3 req lock state : 3 gfs2: fsid=syz:syz.s: G: s:SH n:3/12 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:0 gfs2: fsid=syz:syz.s: H: s:SH f:aH e:0 p:4709 [syz.0.88] gfs2_glock_nq_init fs/gfs2/glock.h:244 [inline] gfs2: fsid=syz:syz.s: H: s:SH f:aH e:0 p:4709 [syz.0.88] gfs2_statfs_slow fs/gfs2/super.c:822 [inline] gfs2: fsid=syz:syz.s: H: s:SH f:aH e:0 p:4709 [syz.0.88] gfs2_statfs+0x40d/0x870 fs/gfs2/super.c:896 gfs2: fsid=syz:syz.s: R: n:18 f:b0000000 b:0/0 i:7 q:0 r:0 e:0 ------------[ cut here ]------------ kernel BUG at fs/gfs2/glock.c:1503! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4709 Comm: syz.0.88 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:add_to_queue fs/gfs2/glock.c:1503 [inline] RIP: 0010:gfs2_glock_nq+0x1011/0x1550 fs/gfs2/glock.c:1527 Code: b5 f1 57 fe 89 da 41 0f b7 0f 48 c7 c7 40 8f 4d 8a 4c 89 ee e8 10 2c 33 06 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 bf 8b ff ff <0f> 0b e8 08 89 13 fe e8 d3 37 9c fd e9 14 fa ff ff 4c 8d 7b 08 4d RSP: 0018:ffffc9000319fbd8 EFLAGS: 00010246 RAX: 17f0821243557c00 RBX: ffff88805d246598 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 00000000ffffffff RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1003d0cc11 R10: ffffed1003d0cc11 R11: 1ffff11003d0cc10 R12: dffffc0000000000 R13: ffff88805eb7d2c0 R14: ffff888078890088 R15: ffff888078890092 FS: 00007f053a0da6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0531ca0000 CR3: 000000001ee5e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_glock_nq_init fs/gfs2/glock.h:246 [inline] gfs2_statfs_slow fs/gfs2/super.c:822 [inline] gfs2_statfs+0x415/0x870 fs/gfs2/super.c:896 statfs_by_dentry fs/statfs.c:66 [inline] vfs_statfs fs/statfs.c:90 [inline] fd_statfs+0x18e/0x390 fs/statfs.c:120 __do_sys_fstatfs fs/statfs.c:216 [inline] __se_sys_fstatfs fs/statfs.c:213 [inline] __x64_sys_fstatfs+0xdd/0x1a0 fs/statfs.c:213 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f053be73749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f053a0da038 EFLAGS: 00000246 ORIG_RAX: 000000000000008a RAX: ffffffffffffffda RBX: 00007f053c0c9fa0 RCX: 00007f053be73749 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008 RBP: 00007f053bef7f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f053c0ca038 R14: 00007f053c0c9fa0 R15: 00007ffc4c8fcff8 Modules linked in: ---[ end trace 6972950b941265fb ]--- RIP: 0010:add_to_queue fs/gfs2/glock.c:1503 [inline] RIP: 0010:gfs2_glock_nq+0x1011/0x1550 fs/gfs2/glock.c:1527 Code: b5 f1 57 fe 89 da 41 0f b7 0f 48 c7 c7 40 8f 4d 8a 4c 89 ee e8 10 2c 33 06 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 bf 8b ff ff <0f> 0b e8 08 89 13 fe e8 d3 37 9c fd e9 14 fa ff ff 4c 8d 7b 08 4d RSP: 0018:ffffc9000319fbd8 EFLAGS: 00010246 RAX: 17f0821243557c00 RBX: ffff88805d246598 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 00000000ffffffff RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1003d0cc11 R10: ffffed1003d0cc11 R11: 1ffff11003d0cc10 R12: dffffc0000000000 R13: ffff88805eb7d2c0 R14: ffff888078890088 R15: ffff888078890092 FS: 00007f053a0da6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0531ca0000 CR3: 000000001ee5e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400