EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
Quota error (device loop4): qtree_write_dquot: Error -847225082 occurred while creating quota
Quota error (device loop4): dq_insert_tree: Quota tree root isn't allocated!
Quota error (device loop4): qtree_write_dquot: Error -5 occurred while creating quota
BUG: unable to handle kernel paging request at fffffbfff9b00bff
IP: __read_once_size include/linux/compiler.h:183 [inline]
IP: atomic_read arch/x86/include/asm/atomic.h:27 [inline]
IP: dqput.part.0+0x9d/0x750 fs/quota/dquot.c:761
PGD 23fff0067 P4D 23fff0067 PUD 23ffef067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
ip_tables: iptables: counters copy to user failed while replacing table
CPU: 0 PID: 12617 Comm: syz-executor.4 Not tainted 4.14.206-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88805bc724c0 task.stack: ffff88805a948000
RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline]
RIP: 0010:atomic_read arch/x86/include/asm/atomic.h:27 [inline]
RIP: 0010:dqput.part.0+0x9d/0x750 fs/quota/dquot.c:761
RSP: 0018:ffff88805a94f870 EFLAGS: 00010286
RAX: dffffc0000000000 RBX: ffffffffcd805f06 RCX: 0000000000006d90
RDX: 1ffffffff11c2502 RSI: 0000000000000001 RDI: ffffffff88e12804
RBP: dffffc0000000000 R08: ffffffff8b9bd740 R09: 00000000000401cd
R10: ffff88805bc72d98 R11: ffff88805bc724c0 R12: 0000000000000009
x_tables: ip_tables: osf match: used from hooks INPUT/OUTPUT, but only valid from PREROUTING/INPUT/FORWARD
R13: fffffbfff9b00bff R14: ffffffffcd80601e R15: ffffffffcd805ffe
FS:  00007f81c8c37700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff9b00bff CR3: 00000000a8df4000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 dqput fs/quota/dquot.c:748 [inline]
 dqput_all fs/quota/dquot.c:391 [inline]
 __dquot_initialize+0x47c/0xa70 fs/quota/dquot.c:1517
print_req_error: I/O error, dev loop1, sector 0
 ext4_xattr_set+0xaa/0x230 fs/ext4/xattr.c:2494
 __vfs_setxattr+0xdc/0x130 fs/xattr.c:150
 __vfs_setxattr_noperm+0xfd/0x3d0 fs/xattr.c:181
 __vfs_setxattr_locked+0x14d/0x250 fs/xattr.c:239
 vfs_setxattr+0xcf/0x230 fs/xattr.c:256
 setxattr+0x1a9/0x300 fs/xattr.c:523
 path_setxattr+0x118/0x130 fs/xattr.c:542
 SYSC_lsetxattr fs/xattr.c:564 [inline]
 SyS_lsetxattr+0x33/0x40 fs/xattr.c:560
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f81c8c36c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 0000000000020b40 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000040
RBP: 000000000118c018 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bfd4
R13: 00007ffd7fda2d6f R14: 00007f81c8c379c0 R15: 000000000118bfd4
Code: 8d b3 18 01 00 00 49 c1 ed 03 41 83 e4 07 49 01 ed 41 83 c4 03 e8 54 d5 90 01 e8 9f 4b b7 ff 48 c7 c7 00 28 e1 88 e8 23 80 80 05 <41> 0f b6 45 00 41 38 c4 7c 08 84 c0 0f 85 cf 04 00 00 8b 83 f8 
RIP: __read_once_size include/linux/compiler.h:183 [inline] RSP: ffff88805a94f870
RIP: atomic_read arch/x86/include/asm/atomic.h:27 [inline] RSP: ffff88805a94f870
RIP: dqput.part.0+0x9d/0x750 fs/quota/dquot.c:761 RSP: ffff88805a94f870
CR2: fffffbfff9b00bff
---[ end trace e13e2318333b658d ]---