loop0: detected capacity change from 0 to 32768 gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms gfs2: fsid=statfs_quantum.s: first mount done, others may mount gfs2: fsid=statfs_quantum.s: original: statfs_by_dentry fs/statfs.c:66 [inline] gfs2: fsid=statfs_quantum.s: original: vfs_get_fsid+0x187/0x280 fs/statfs.c:77 gfs2: fsid=statfs_quantum.s: pid: 5110 gfs2: fsid=statfs_quantum.s: lock type: 3 req lock state : 3 gfs2: fsid=statfs_quantum.s: new: statfs_by_dentry fs/statfs.c:66 [inline] gfs2: fsid=statfs_quantum.s: new: vfs_get_fsid+0x187/0x280 fs/statfs.c:77 gfs2: fsid=statfs_quantum.s: pid: 5110 gfs2: fsid=statfs_quantum.s: lock type: 3 req lock state : 3 gfs2: fsid=statfs_quantum.s: G: s:SH n:3/12 f:aqobn t:SH d:EX/0 a:0 v:0 r:3 m:20 p:0 gfs2: fsid=statfs_quantum.s: H: s:SH f:aH e:0 p:5110 [syz.0.0] statfs_by_dentry fs/statfs.c:66 [inline] gfs2: fsid=statfs_quantum.s: H: s:SH f:aH e:0 p:5110 [syz.0.0] vfs_get_fsid+0x187/0x280 fs/statfs.c:77 gfs2: fsid=statfs_quantum.s: R: n:18 f:80000000 b:0/0 i:0 q:0 r:0 e:0 ------------[ cut here ]------------ kernel BUG at fs/gfs2/glock.c:1569! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5110 Comm: syz.0.0 Not tainted 6.12.0-rc2-syzkaller-00205-g1d227fcc7222 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:add_to_queue fs/gfs2/glock.c:1569 [inline] RIP: 0010:gfs2_glock_nq+0x172a/0x1aa0 fs/gfs2/glock.c:1610 Code: fe 0f b7 4d 00 48 c7 c7 00 5c 4f 8c 48 8b 74 24 40 89 da e8 28 34 dd 07 31 ff 48 8b 74 24 10 ba 01 00 00 00 e8 57 62 ff ff 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 7a f9 ff ff 48 89 df e8 RSP: 0018:ffffc900031dfa50 EFLAGS: 00010246 RAX: e7cb2f87667b7e00 RBX: 0000000000000003 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 RBP: ffff88804b7b6092 R08: ffff88804b3d3083 R09: 1ffff1100967a610 R10: dffffc0000000000 R11: ffffed100967a611 R12: ffff88804b7b6000 R13: 1ffff110096f6c03 R14: ffff88804b7b6022 R15: ffff88804b7b6018 FS: 00007fe9483ec6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe9476bc420 CR3: 0000000048e56000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_glock_nq_init fs/gfs2/glock.h:238 [inline] gfs2_statfs_slow fs/gfs2/super.c:916 [inline] gfs2_statfs+0x377/0x940 fs/gfs2/super.c:990 statfs_by_dentry fs/statfs.c:66 [inline] vfs_get_fsid+0x187/0x280 fs/statfs.c:77 fanotify_test_fsid+0xb5/0x470 fs/notify/fanotify/fanotify_user.c:1574 do_fanotify_mark+0x781/0xd90 fs/notify/fanotify/fanotify_user.c:1839 __do_sys_fanotify_mark fs/notify/fanotify/fanotify_user.c:1919 [inline] __se_sys_fanotify_mark fs/notify/fanotify/fanotify_user.c:1915 [inline] __x64_sys_fanotify_mark+0xb5/0xd0 fs/notify/fanotify/fanotify_user.c:1915 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe94757dff9 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:00007fe9483ec038 EFLAGS: 00000246 ORIG_RAX: 000000000000012d RAX: ffffffffffffffda RBX: 00007fe947735f80 RCX: 00007fe94757dff9 RDX: 000000000800003e RSI: 0000000000000001 RDI: 000000000000000b RBP: 00007fe9475f0296 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000000c R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe947735f80 R15: 00007ffe9d38f238 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:add_to_queue fs/gfs2/glock.c:1569 [inline] RIP: 0010:gfs2_glock_nq+0x172a/0x1aa0 fs/gfs2/glock.c:1610 Code: fe 0f b7 4d 00 48 c7 c7 00 5c 4f 8c 48 8b 74 24 40 89 da e8 28 34 dd 07 31 ff 48 8b 74 24 10 ba 01 00 00 00 e8 57 62 ff ff 90 <0f> 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 7a f9 ff ff 48 89 df e8 RSP: 0018:ffffc900031dfa50 EFLAGS: 00010246 RAX: e7cb2f87667b7e00 RBX: 0000000000000003 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 RBP: ffff88804b7b6092 R08: ffff88804b3d3083 R09: 1ffff1100967a610 R10: dffffc0000000000 R11: ffffed100967a611 R12: ffff88804b7b6000 R13: 1ffff110096f6c03 R14: ffff88804b7b6022 R15: ffff88804b7b6018 FS: 00007fe9483ec6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe9476bc420 CR3: 0000000048e56000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400