gfs2: fsid=syz:syz.0: fatal assertion failed
------------[ cut here ]------------
kernel BUG at fs/gfs2/quota.c:320!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5318 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:__qd_hold fs/gfs2/quota.c:320 [inline]
RIP: 0010:do_qc+0x5c1/0x5e0 fs/gfs2/quota.c:705
Code: 00 00 00 00 00 fc ff df 48 8b 0c 24 80 3c 01 00 74 0a 48 8b 7c 24 10 e8 9d de 24 fe 48 8b 44 24 10 48 8b 38 e8 c0 e3 27 fd 90 <0f> 0b e8 08 93 bd fd 48 8b 7c 24 10 e8 ae e3 27 fd 90 0f 0b 66 66
RSP: 0018:ffffc9000d43f870 EFLAGS: 00010246
RAX: 000000000000002c RBX: 1ffff1100867d20e RCX: cec327889bf46800
RDX: ffffc9000e60b000 RSI: 0000000000001290 RDI: 0000000000001291
RBP: ffffffffffffffff R08: ffffc9000d43f587 R09: 1ffff92001a87eb0
R10: dffffc0000000000 R11: fffff52001a87eb1 R12: ffff8880433e9000
R13: ffff8880433e9070 R14: ffff8880433e9090 R15: 0000000000000000
FS:  00007fa7638746c0(0000) GS:ffff88808d730000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000035c0 CR3: 000000004276a000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 gfs2_quota_change+0x394/0x800 fs/gfs2/quota.c:1304
 gfs2_free_di+0x2db/0x3f0 fs/gfs2/rgrp.c:2592
 gfs2_dinode_dealloc+0x30d/0x3e0 fs/gfs2/inode.c:495
 evict_unlinked_inode fs/gfs2/super.c:1330 [inline]
 gfs2_evict_inode+0xe0b/0x1000 fs/gfs2/super.c:1427
 evict+0x504/0x9c0 fs/inode.c:810
 __dentry_kill+0x209/0x660 fs/dcache.c:669
 dput+0x19f/0x2b0 fs/dcache.c:911
 __fput+0x68e/0xa70 fs/file_table.c:476
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xe9/0x130 kernel/entry/common.c:43
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
 do_syscall_64+0x2bd/0xfa0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa76298f749
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:00007fa763874038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fa762be6090 RCX: 00007fa76298f749
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000000
RBP: 00007fa762a13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa762be6128 R14: 00007fa762be6090 R15: 00007ffe03e67ff8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__qd_hold fs/gfs2/quota.c:320 [inline]
RIP: 0010:do_qc+0x5c1/0x5e0 fs/gfs2/quota.c:705
Code: 00 00 00 00 00 fc ff df 48 8b 0c 24 80 3c 01 00 74 0a 48 8b 7c 24 10 e8 9d de 24 fe 48 8b 44 24 10 48 8b 38 e8 c0 e3 27 fd 90 <0f> 0b e8 08 93 bd fd 48 8b 7c 24 10 e8 ae e3 27 fd 90 0f 0b 66 66
RSP: 0018:ffffc9000d43f870 EFLAGS: 00010246
RAX: 000000000000002c RBX: 1ffff1100867d20e RCX: cec327889bf46800
RDX: ffffc9000e60b000 RSI: 0000000000001290 RDI: 0000000000001291
RBP: ffffffffffffffff R08: ffffc9000d43f587 R09: 1ffff92001a87eb0
R10: dffffc0000000000 R11: fffff52001a87eb1 R12: ffff8880433e9000
R13: ffff8880433e9070 R14: ffff8880433e9090 R15: 0000000000000000
FS:  00007fa7638746c0(0000) GS:ffff88808d730000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000035c0 CR3: 000000004276a000 CR4: 0000000000352ef0