loop0: detected capacity change from 0 to 32768
gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms
gfs2: fsid=syz:syz.0: first mount done, others may mount
gfs2: fsid=syz:syz.0: found 1 quota changes
gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 398
gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:5341 [syz.0.0] gfs2_quota_sync+0x359/0x460 fs/gfs2/quota.c:1357
gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
CPU: 0 UID: 0 PID: 5341 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
gfs2_withdraw+0xc3/0x1b0 fs/gfs2/util.c:250
gfs2_dinode_in fs/gfs2/glops.c:-1 [inline]
gfs2_inode_refresh fs/gfs2/glops.c:486 [inline]
inode_go_instantiate+0xaa8/0x1210 fs/gfs2/glops.c:507
gfs2_instantiate+0x168/0x220 fs/gfs2/glock.c:441
gfs2_glock_holder_ready fs/gfs2/glock.c:1250 [inline]
gfs2_glock_wait+0x1d4/0x2a0 fs/gfs2/glock.c:1270
gfs2_glock_nq_init fs/gfs2/glock.h:252 [inline]
do_sync+0x46f/0xc60 fs/gfs2/quota.c:923
gfs2_quota_sync+0x359/0x460 fs/gfs2/quota.c:1357
gfs2_sync_fs+0x4c/0xb0 fs/gfs2/super.c:658
sync_filesystem+0xee/0x230 fs/sync.c:56
gfs2_reconfigure+0xbb/0xb20 fs/gfs2/ops_fstype.c:1554
reconfigure_super+0x227/0x880 fs/super.c:1077
do_remount fs/namespace.c:3264 [inline]
path_mount+0xd29/0xff0 fs/namespace.c:4014
do_mount fs/namespace.c:4035 [inline]
__do_sys_mount fs/namespace.c:4224 [inline]
__se_sys_mount+0x313/0x410 fs/namespace.c:4201
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f94c458f7c9
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:00007f94c09f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f94c47e5fa0 RCX: 00007f94c458f7c9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f94c4613f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000003376039 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94c47e6038 R14: 00007f94c47e5fa0 R15: 00007ffc7c1cec68
gfs2: fsid=syz:syz.0: about to withdraw this file system
------------[ cut here ]------------
kernel BUG at fs/gfs2/quota.c:1520!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5341 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:gfs2_quota_cleanup+0x6ee/0x6f0 fs/gfs2/quota.c:1519
Code: ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c c2 fd ff ff 4c 89 f7 e8 12 6b 22 fe e9 b5 fd ff ff e8 28 59 55 07 e8 93 c0 ba fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6
RSP: 0018:ffffc9000e047a40 EFLAGS: 00010287
RAX: ffffffff840646cd RBX: 0000000000000002 RCX: 0000000000100000
RDX: ffffc90020f12000 RSI: 000000000002e0e0 RDI: 000000000002e0e1
RBP: ffffc9000e047b50 R08: ffff8880116fc0af R09: 1ffff110022df815
R10: dffffc0000000000 R11: ffffed10022df816 R12: 1ffff92001c08f4c
R13: ffff888011766c00 R14: dffffc0000000000 R15: 0000000000000000
FS: 00007f94c09f56c0(0000) GS:ffff88808d414000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f94c09d40e8 CR3: 000000001f36d000 CR4: 0000000000352ef0
Call Trace:
gfs2_make_fs_ro+0x27a/0x300 fs/gfs2/super.c:566
gfs2_reconfigure+0x6a3/0xb20 fs/gfs2/ops_fstype.c:1594
reconfigure_super+0x227/0x880 fs/super.c:1077
do_remount fs/namespace.c:3264 [inline]
path_mount+0xd29/0xff0 fs/namespace.c:4014
do_mount fs/namespace.c:4035 [inline]
__do_sys_mount fs/namespace.c:4224 [inline]
__se_sys_mount+0x313/0x410 fs/namespace.c:4201
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f94c458f7c9
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:00007f94c09f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f94c47e5fa0 RCX: 00007f94c458f7c9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f94c4613f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000003376039 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94c47e6038 R14: 00007f94c47e5fa0 R15: 00007ffc7c1cec68
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:gfs2_quota_cleanup+0x6ee/0x6f0 fs/gfs2/quota.c:1519
Code: ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c c2 fd ff ff 4c 89 f7 e8 12 6b 22 fe e9 b5 fd ff ff e8 28 59 55 07 e8 93 c0 ba fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6
RSP: 0018:ffffc9000e047a40 EFLAGS: 00010287
RAX: ffffffff840646cd RBX: 0000000000000002 RCX: 0000000000100000
RDX: ffffc90020f12000 RSI: 000000000002e0e0 RDI: 000000000002e0e1
RBP: ffffc9000e047b50 R08: ffff8880116fc0af R09: 1ffff110022df815
R10: dffffc0000000000 R11: ffffed10022df816 R12: 1ffff92001c08f4c
R13: ffff888011766c00 R14: dffffc0000000000 R15: 0000000000000000
FS: 00007f94c09f56c0(0000) GS:ffff88808d414000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f94b8f77000 CR3: 000000001f36d000 CR4: 0000000000352ef0