audit: type=1804 audit(1556171009.002:54): pid=8089 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir105106905/syzkaller.E9vkZF/40/bus" dev="sda1" ino=16690 res=1
audit: type=1804 audit(1556171009.092:55): pid=8100 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir105106905/syzkaller.E9vkZF/40/bus" dev="sda1" ino=16690 res=1
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8089 at fs/direct-io.c:293 dio_complete+0x671/0x800 fs/direct-io.c:293
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 8089 Comm: syz-executor.0 Not tainted 4.14.113 #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
kobject: 'loop4' (ffff8880a4ae2320): fill_kobj_path: path = '/devices/virtual/block/loop4'
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 panic+0x1f2/0x438 kernel/panic.c:182
 __warn.cold+0x2f/0x34 kernel/panic.c:546
 report_bug+0x216/0x254 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:944
RIP: 0010:dio_complete+0x671/0x800 fs/direct-io.c:293
RSP: 0018:ffff88805834f1b8 EFLAGS: 00010212
RAX: 0000000000040000 RBX: 0000000000008200 RCX: ffffc90006c24000
RDX: 0000000000005665 RSI: ffffffff819ae051 RDI: ffff8880940f053c
RBP: ffff88805834f200 R08: 1ffff1100f07fc00 R09: ffff8880950c6e48
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888058301700
R13: 0000000000008200 R14: ffff8880940f0738 R15: 0000000000000000
 do_blockdev_direct_IO+0x530e/0x7fc0 fs/direct-io.c:1374
kobject: 'loop4' (ffff8880a4ae2320): kobject_uevent_env
kobject: 'loop4' (ffff8880a4ae2320): fill_kobj_path: path = '/devices/virtual/block/loop4'
 __blockdev_direct_IO+0xa1/0xd0 fs/direct-io.c:1400
 ext4_direct_IO_write fs/ext4/inode.c:3697 [inline]
 ext4_direct_IO+0x70d/0x1890 fs/ext4/inode.c:3827
 generic_file_direct_write+0x1ec/0x430 mm/filemap.c:2927
 __generic_file_write_iter+0x2bc/0x5b0 mm/filemap.c:3106
 ext4_file_write_iter+0x2c0/0xfd0 fs/ext4/file.c:264
 call_write_iter include/linux/fs.h:1774 [inline]
 do_iter_readv_writev+0x41e/0x680 fs/read_write.c:674
 do_iter_write fs/read_write.c:953 [inline]
 do_iter_write+0x154/0x550 fs/read_write.c:934
 vfs_iter_write+0x77/0xb0 fs/read_write.c:966
 iter_file_splice_write+0x578/0xae0 fs/splice.c:749
 do_splice_from fs/splice.c:851 [inline]
 direct_splice_actor+0x126/0x1a0 fs/splice.c:1018
 splice_direct_to_actor+0x2a1/0x7b0 fs/splice.c:973
 do_splice_direct+0x18d/0x230 fs/splice.c:1061
 do_sendfile+0x4db/0xbd0 fs/read_write.c:1440
 SYSC_sendfile64 fs/read_write.c:1501 [inline]
 SyS_sendfile64+0x102/0x110 fs/read_write.c:1487
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x458d99
RSP: 002b:00007f2efd7eec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000458d99
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 00008000fffffffe R11: 0000000000000246 R12: 00007f2efd7ef6d4
R13: 00000000004c5f83 R14: 00000000004da728 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..