EXT4-fs (loop1): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs (loop1): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock
EXT4-fs (loop1): ext4_check_descriptors: Inode table for group 0 overlaps superblock
audit: type=1804 audit(8032775348.010:507): pid=19566 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir222003646/syzkaller.R6oSi3/1399/file0/bus" dev="sda1" ino=16196 res=1
audit: type=1804 audit(8032775348.090:508): pid=19577 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir639330516/syzkaller.vnfMD4/1406/file0/bus" dev="sda1" ino=16338 res=1
BUG: unable to handle kernel paging request at ffffffffffffff74
IP: wait_consider_task+0x99/0x3010 kernel/exit.c:1329
PGD 7a6d067 P4D 7a6d067 PUD 7a6f067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 6336 Comm: syz-executor.4 Not tainted 4.14.181-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88806cb5a080 task.stack: ffff88806cb60000
RIP: 0010:wait_consider_task+0x99/0x3010 kernel/exit.c:1329
RSP: 0018:ffff88806cb67b30 EFLAGS: 00010246
RAX: 0000000000000007 RBX: 0000000000000000 RCX: ffffffffffffff74
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88806cb67d08
RBP: dffffc0000000000 R08: 0000000000000ec1 R09: ffffffff89e5bf48
R10: ffff88806cb5a908 R11: ffff88806cb5a080 R12: ffff88806cb67d08
R13: fffffffffffffaf8 R14: fffffffffffffaf8 R15: ffff88806cb67d08
FS:  0000000000e9d940(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffff74 CR3: 000000006cb4c000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_wait_thread kernel/exit.c:1438 [inline]
 do_wait+0x3e9/0x930 kernel/exit.c:1509
 kernel_wait4+0x103/0x1e0 kernel/exit.c:1652
 SYSC_wait4 kernel/exit.c:1664 [inline]
 SyS_wait4+0x106/0x110 kernel/exit.c:1660
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x4168ca
RSP: 002b:00007ffc721eec78 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 00000000000f0b61 RCX: 00000000004168ca
RDX: 0000000040000001 RSI: 00007ffc721eecb0 RDI: ffffffffffffffff
RBP: 0000000000000fcf R08: 0000000000000001 R09: 0000000000e9d940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffc721eecb0 R14: 00000000000f0b34 R15: 00007ffc721eecc0
Code: 8d 8e 7c 04 00 00 48 89 c8 48 89 4c 24 08 48 c1 e8 03 0f b6 14 28 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 e6 14 00 00 <41> 8b ae 7c 04 00 00 83 fd 10 0f 84 a1 00 00 00 e8 62 39 24 00 
RIP: wait_consider_task+0x99/0x3010 kernel/exit.c:1329 RSP: ffff88806cb67b30
CR2: ffffffffffffff74
---[ end trace bfd849f7a2368066 ]---