gfs2: fsid=syz:syz.0: original: gfs2_glock_nq_init fs/gfs2/glock.h:244 [inline]
gfs2: fsid=syz:syz.0: original: do_sync+0x3d5/0xc40 fs/gfs2/quota.c:921
gfs2: fsid=syz:syz.0: pid: 7513
gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1
gfs2: fsid=syz:syz.0: new: gfs2_glock_nq_init fs/gfs2/glock.h:244 [inline]
gfs2: fsid=syz:syz.0: new: do_sync+0x3d5/0xc40 fs/gfs2/quota.c:921
gfs2: fsid=syz:syz.0: pid: 7513
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:7 m:20 p:0
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:7513 [gfs2_quotad] gfs2_glock_nq_init fs/gfs2/glock.h:244 [inline]
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:7513 [gfs2_quotad] do_sync+0x3d5/0xc40 fs/gfs2/quota.c:921
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1503!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7513 Comm: gfs2_quotad Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:add_to_queue fs/gfs2/glock.c:1503 [inline]
RIP: 0010:gfs2_glock_nq+0x1011/0x1550 fs/gfs2/glock.c:1527
Code: 05 5c 52 fe 89 da 41 0f b7 0f 48 c7 c7 a0 9a 6d 8a 4c 89 ee e8 50 a1 45 06 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 4f 8a ff ff <0f> 0b e8 38 50 0d fe e8 83 ac 94 fd e9 14 fa ff ff 4c 8d 7b 08 4d
RSP: 0018:ffffc900030cfac0 EFLAGS: 00010246
RAX: 592e4d0125899400 RBX: ffff88805e753b78 RCX: 0000000000000000
RDX: 0000000000000044 RSI: 0000000000000000 RDI: fffff52000619f4c
RBP: 0000000000000000 R08: ffffffff8d89db2f R09: fffff52000619f08
R10: dffffc0000000000 R11: fffffbfff1b13b66 R12: dffffc0000000000
R13: ffff8880268712c0 R14: ffff88807a722c50 R15: ffff88807a722c5a
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efe713ba600 CR3: 000000006535b000 CR4: 00000000003506f0
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+0x3dd/0xc40 fs/gfs2/quota.c:921
 gfs2_quota_sync+0x32c/0x700 fs/gfs2/quota.c:1329
 quotad_check_timeo fs/gfs2/quota.c:1519 [inline]
 gfs2_quotad+0x403/0x890 fs/gfs2/quota.c:1586
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace dfe47d71da8b19ef ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1503 [inline]
RIP: 0010:gfs2_glock_nq+0x1011/0x1550 fs/gfs2/glock.c:1527
Code: 05 5c 52 fe 89 da 41 0f b7 0f 48 c7 c7 a0 9a 6d 8a 4c 89 ee e8 50 a1 45 06 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 4f 8a ff ff <0f> 0b e8 38 50 0d fe e8 83 ac 94 fd e9 14 fa ff ff 4c 8d 7b 08 4d
RSP: 0018:ffffc900030cfac0 EFLAGS: 00010246
RAX: 592e4d0125899400 RBX: ffff88805e753b78 RCX: 0000000000000000
RDX: 0000000000000044 RSI: 0000000000000000 RDI: fffff52000619f4c
RBP: 0000000000000000 R08: ffffffff8d89db2f R09: fffff52000619f08
R10: dffffc0000000000 R11: fffffbfff1b13b66 R12: dffffc0000000000
R13: ffff8880268712c0 R14: ffff88807a722c50 R15: ffff88807a722c5a
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efe713ba600 CR3: 000000006535b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400