Quota error (device loop2): dq_insert_tree: Quota tree root isn't allocated!
Quota error (device loop2): qtree_write_dquot: Error -5 occurred while creating quota
BUG: unable to handle kernel paging request at fffffbfff3f28ef7
PGD 23fff1067 P4D 23fff1067 PUD 23fff0067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 31566 Comm: syz-executor.2 Not tainted 4.19.152-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bytes_is_nonzero mm/kasan/kasan.c:167 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/kasan.c:184 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/kasan.c:210 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/kasan.c:241 [inline]
RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:257 [inline]
RIP: 0010:check_memory_region+0xc8/0x170 mm/kasan/kasan.c:267
Code: 39 d0 74 0e 80 38 00 74 f2 48 85 c0 0f 85 9c 00 00 00 5b 5d 41 5c c3 48 85 d2 74 f6 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 e8 <80> 38 00 74 f2 eb d8 41 bc 08 00 00 00 48 89 ea 45 29 dc 4e 8d 5c
RSP: 0018:ffff88823063f7a0 EFLAGS: 00010282
RAX: fffffbfff3f28ef7 RBX: fffffbfff3f28ef8 RCX: ffffffff81c1002e
RDX: fffffbfff3f28ef8 RSI: 0000000000000004 RDI: ffffffff9f9477bc
RBP: fffffbfff3f28ef7 R08: 0000000000000000 R09: fffffbfff3f28ef7
dlm: no locking on control device
R10: ffffffff9f9477bf R11: 0000000000000000 R12: ffffffff9f9477bc
R13: 0000000000000007 R14: fffffbfff3f28ef7 R15: 0000000000000000
dlm: no locking on control device
FS:  00007fb7073e4700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff3f28ef7 CR3: 00000002315ae000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
dlm: no local IP address has been set
 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline]
 dqput.part.0+0xae/0x830 fs/quota/dquot.c:765
 dqput fs/quota/dquot.c:752 [inline]
 dqput_all fs/quota/dquot.c:391 [inline]
 __dquot_initialize+0x5ad/0xb70 fs/quota/dquot.c:1521
 ext4_xattr_set+0xbd/0x2a0 fs/ext4/xattr.c:2495
dlm: cannot start dlm lowcomms -107
 __vfs_setxattr+0x10e/0x170 fs/xattr.c:149
 __vfs_setxattr_noperm+0x11a/0x420 fs/xattr.c:180
 __vfs_setxattr_locked+0x176/0x250 fs/xattr.c:238
 vfs_setxattr+0xe5/0x270 fs/xattr.c:255
 setxattr+0x23d/0x330 fs/xattr.c:520
 path_setxattr+0x170/0x190 fs/xattr.c:539
 __do_sys_setxattr fs/xattr.c:554 [inline]
 __se_sys_setxattr fs/xattr.c:550 [inline]
 __x64_sys_setxattr+0xc0/0x160 fs/xattr.c:550
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45deb9
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fb7073e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 0000000000033c80 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000040
RBP: 000000000118bf70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffcb82dc2cf R14: 00007fb7073e49c0 R15: 000000000118bf2c
Modules linked in:
CR2: fffffbfff3f28ef7
---[ end trace 453c47bd1b240472 ]---
RIP: 0010:bytes_is_nonzero mm/kasan/kasan.c:167 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/kasan.c:184 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/kasan.c:210 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/kasan.c:241 [inline]
RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:257 [inline]
RIP: 0010:check_memory_region+0xc8/0x170 mm/kasan/kasan.c:267
Code: 39 d0 74 0e 80 38 00 74 f2 48 85 c0 0f 85 9c 00 00 00 5b 5d 41 5c c3 48 85 d2 74 f6 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 e8 <80> 38 00 74 f2 eb d8 41 bc 08 00 00 00 48 89 ea 45 29 dc 4e 8d 5c
RSP: 0018:ffff88823063f7a0 EFLAGS: 00010282
RAX: fffffbfff3f28ef7 RBX: fffffbfff3f28ef8 RCX: ffffffff81c1002e
RDX: fffffbfff3f28ef8 RSI: 0000000000000004 RDI: ffffffff9f9477bc
RBP: fffffbfff3f28ef7 R08: 0000000000000000 R09: fffffbfff3f28ef7
R10: ffffffff9f9477bf R11: 0000000000000000 R12: ffffffff9f9477bc
R13: 0000000000000007 R14: fffffbfff3f28ef7 R15: 0000000000000000
FS:  00007fb7073e4700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff3f28ef7 CR3: 00000002315ae000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400