gfs2: fsid=syz:syz.0: new: gfs2_glock_nq_init fs/gfs2/glock.h:244 [inline]
gfs2: fsid=syz:syz.0: new: do_sync+0x3b0/0xc00 fs/gfs2/quota.c:921
gfs2: fsid=syz:syz.0: pid: 6657
gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1
gfs2: fsid=syz:syz.0: G:  s:EX n:8/1 f:qb t:EX d:EX/0 a:0 v:0 r:5 m:20 p:0
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:6657 [syz.3.364] gfs2_glock_nq_init fs/gfs2/glock.h:244 [inline]
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:6657 [syz.3.364] do_sync+0x3b0/0xc00 fs/gfs2/quota.c:921
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1503!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 6657 Comm: syz.3.364 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:ffffc9000365faa0 EFLAGS: 00010246
RAX: 729de8999af4f500 RBX: ffff88807042a278 RCX: 0000000000080000
RDX: ffffc9001674f000 RSI: 000000000001fa18 RDI: 000000000001fa19
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ad26b6
R10: fffffbfff1ad26b6 R11: 1ffffffff1ad26b5 R12: dffffc0000000000
R13: ffff88807d3e92c0 R14: ffff88806457c450 R15: ffff88806457c45a
FS:  00007f918d5816c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32023ffc CR3: 00000000244fe000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_glock_nq_init fs/gfs2/glock.h:246 [inline]
 do_sync+0x3b8/0xc00 fs/gfs2/quota.c:921
 gfs2_quota_sync+0x32c/0x6f0 fs/gfs2/quota.c:1329
 iterate_supers+0x11e/0x1d0 fs/super.c:718
 quota_sync_all fs/quota/quota.c:68 [inline]
 __do_sys_quotactl fs/quota/quota.c:936 [inline]
 __se_sys_quotactl+0x33a/0x6c0 fs/quota/quota.c:915
 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: 0033:0x7f918f35c749
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:00007f918d581038 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007f918f5b3180 RCX: 00007f918f35c749
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000100
RBP: 00007f918f3e0f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f918f5b3218 R14: 00007f918f5b3180 R15: 00007ffdb42e4838
 </TASK>
Modules linked in:
---[ end trace c79a0c356b3bd2fc ]---
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:ffffc9000365faa0 EFLAGS: 00010246
RAX: 729de8999af4f500 RBX: ffff88807042a278 RCX: 0000000000080000
RDX: ffffc9001674f000 RSI: 000000000001fa18 RDI: 000000000001fa19
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ad26b6
R10: fffffbfff1ad26b6 R11: 1ffffffff1ad26b5 R12: dffffc0000000000
R13: ffff88807d3e92c0 R14: ffff88806457c450 R15: ffff88806457c45a
FS:  00007f918d5816c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32023ffc CR3: 00000000244fe000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400