EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
Quota error (device loop0): qtree_write_dquot: Error -2147481216 occurred while creating quota
BUG: unable to handle page fault for address: fffffbfff000013c
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 21fff3067 P4D 21fff3067 PUD 21ffb6067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 343 Comm: syz-executor808 Not tainted 5.4.65-syzkaller-00175-g63d1c2f0b547 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:91 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:108 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:134 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:165 [inline]
RIP: 0010:check_memory_region_inline mm/kasan/generic.c:181 [inline]
RIP: 0010:check_memory_region+0x70/0x2f0 mm/kasan/generic.c:191
Code: 49 bd 01 00 00 00 00 fc ff df 4d 01 ea 4d 89 d6 4d 29 ce 49 83 fe 10 7f 2b 4d 85 f6 0f 84 b9 01 00 00 4c 89 cb 4c 29 d3 66 90 <45> 0f b6 19 45 84 db 0f 85 03 02 00 00 49 ff c1 48 ff c3 75 eb e9
RSP: 0018:ffff8881ce3df7d0 EFLAGS: 00010297
RAX: 1ead3abe3636ab01 RBX: ffffffffffffffff RCX: ffffffff818f09d4
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff800009e4
RBP: ffffffff80000980 R08: dffffc0000000000 R09: fffffbfff000013c
R10: fffffbfff000013d R11: 0000000000000004 R12: 1ffffffff000013c
R13: dffffc0000000001 R14: 0000000000000001 R15: ffffffff800009e4
FS:  0000000000d4b880(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffbfff000013c CR3: 0000000004c0e003 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 atomic_read include/asm-generic/atomic-instrumented.h:26 [inline]
 dqput+0x74/0x770 fs/quota/dquot.c:771
 dqput_all fs/quota/dquot.c:396 [inline]
 __dquot_drop fs/quota/dquot.c:1578 [inline]
 dquot_drop+0x1dd/0x2a0 fs/quota/dquot.c:1603
 ext4_clear_inode+0x4c/0x170 fs/ext4/super.c:1189
 ext4_evict_inode+0x714/0x1a70 fs/ext4/inode.c:349
 evict+0x29b/0x6a0 fs/inode.c:576
 dispose_list fs/inode.c:611 [inline]
 evict_inodes+0x608/0x690 fs/inode.c:661
 generic_shutdown_super+0x8f/0x2a0 fs/super.c:454
 kill_block_super+0x79/0xd0 fs/super.c:1444
 deactivate_locked_super+0xaf/0x100 fs/super.c:335
 deactivate_super+0x1b8/0x280 fs/super.c:366
 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102
 task_work_run+0x176/0x1a0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xbe2/0x26b0 kernel/exit.c:808
 do_group_exit+0x155/0x2b0 kernel/exit.c:906
 __do_sys_exit_group+0x13/0x20 kernel/exit.c:917
 __se_sys_exit_group+0x10/0x10 kernel/exit.c:915
 __x64_sys_exit_group+0x37/0x40 kernel/exit.c:915
 do_syscall_64+0xcb/0x150 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x443918
Code: Bad RIP value.
RSP: 002b:00007ffe70ac1d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000443918
RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00000000004c3e30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d6180 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
CR2: fffffbfff000013c
---[ end trace 50a5ce1148988de8 ]---
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:91 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:108 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:134 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:165 [inline]
RIP: 0010:check_memory_region_inline mm/kasan/generic.c:181 [inline]
RIP: 0010:check_memory_region+0x70/0x2f0 mm/kasan/generic.c:191
Code: 49 bd 01 00 00 00 00 fc ff df 4d 01 ea 4d 89 d6 4d 29 ce 49 83 fe 10 7f 2b 4d 85 f6 0f 84 b9 01 00 00 4c 89 cb 4c 29 d3 66 90 <45> 0f b6 19 45 84 db 0f 85 03 02 00 00 49 ff c1 48 ff c3 75 eb e9
RSP: 0018:ffff8881ce3df7d0 EFLAGS: 00010297
RAX: 1ead3abe3636ab01 RBX: ffffffffffffffff RCX: ffffffff818f09d4
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff800009e4
RBP: ffffffff80000980 R08: dffffc0000000000 R09: fffffbfff000013c
R10: fffffbfff000013d R11: 0000000000000004 R12: 1ffffffff000013c
R13: dffffc0000000001 R14: 0000000000000001 R15: ffffffff800009e4
FS:  0000000000d4b880(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004438ee CR3: 0000000004c0e003 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400