FAT-fs (loop5): Directory bread(block 136) failed
FAT-fs (loop5): Directory bread(block 137) failed
FAT-fs (loop3): Directory bread(block 2563) failed
WARNING: CPU: 0 PID: 9533 at fs/open.c:778 do_dentry_open+0x4ad/0xe40 fs/open.c:778
FAT-fs (loop3): Directory bread(block 2564) failed
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 9533 Comm: syz-executor2 Not tainted 4.17.0+ #104
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
 panic+0x238/0x4e7 kernel/panic.c:184
attempt to access beyond end of device
 __warn.cold.8+0x163/0x1ba kernel/panic.c:536
loop5: rw=2049, want=311, limit=128
 report_bug+0x252/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296
FAT-fs (loop3): Directory bread(block 2565) failed
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992
RIP: 0010:do_dentry_open+0x4ad/0xe40 fs/open.c:778
FAT-fs (loop3): Directory bread(block 2566) failed
Code: 7b 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 
FAT-fs (loop3): Directory bread(block 2567) failed
c1 ea 03 80 3c 02 00 0f 85 15 08 00 00 48 c7 43 28 00 00 00 00 e8 33 7e b9 ff <0f> 0b 
attempt to access beyond end of device
e8 2c 7e b9 ff 48 8d 43 18 41 be 
loop5: rw=2049, want=311, limit=128
ed ff ff ff 48 89 45 c0 e9 
RSP: 0018:ffff88017a88f7d8 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffff8801ad845040 RCX: ffffc90003c5b000
Buffer I/O error on dev loop5, logical block 310, lost async page write
RDX: 000000000000024e RSI: ffffffff81c22b1d RDI: ffff8801ad845068
RBP: ffff88017a88f850 R08: ffff8801b3a74100 R09: ffffed003922870c
R10: ffffed003922870c R11: ffff8801c9143863 R12: ffff8801c9143670
R13: ffff8801c9143868 R14: 0000000000000000 R15: ffff8801ad8450bc
FAT-fs (loop3): Directory bread(block 2568) failed
 vfs_open+0x139/0x230 fs/open.c:908
 do_last fs/namei.c:3370 [inline]
 path_openat+0x174a/0x4e10 fs/namei.c:3511
FAT-fs (loop3): Directory bread(block 2569) failed
FAT-fs (loop3): Directory bread(block 2570) failed
 do_filp_open+0x255/0x380 fs/namei.c:3545
FAT-fs (loop3): Directory bread(block 2571) failed
 do_sys_open+0x584/0x760 fs/open.c:1101
FAT-fs (loop3): Directory bread(block 2572) failed
attempt to access beyond end of device
 ksys_open include/linux/syscalls.h:1270 [inline]
 __do_sys_creat fs/open.c:1159 [inline]
 __se_sys_creat fs/open.c:1157 [inline]
 __x64_sys_creat+0x61/0x80 fs/open.c:1157
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
loop5: rw=0, want=311, limit=128
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455b29
attempt to access beyond end of device
Code: 1d ba 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 
loop5: rw=0, want=311, limit=128
c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
RSP: 002b:00007f42a246fc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f42a24706d4 RCX: 0000000000455b29
RDX: 0000000000000000 RSI: 0000000000000030 RDI: 0000000020000080
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004bba24 R14: 00000000004c84e8 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..