------------[ cut here ]------------ WARNING: CPU: 1 PID: 10774 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: 10774 Comm: syz-executor.0 Not tainted 4.14.112 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __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:ffff888066e1f678 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000001000000 RCX: ffffc90007237000 RDX: 0000000000040000 RSI: ffffffff819a9291 RDI: ffff88809a3fb77c RBP: ffff888066e1f6c0 R08: ffff888087c3a180 R09: 0000000000000003 R10: 0000000000000000 R11: ffff888087c3a180 R12: ffff8880812192c0 R13: 0000000001000000 R14: ffff88809a3fb978 R15: 0000000000000000 do_blockdev_direct_IO+0x530e/0x7fc0 fs/direct-io.c:1374 __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] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x4ae/0x6c0 fs/read_write.c:482 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xb8/0x180 fs/read_write.c:581 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x458c29 RSP: 002b:00007f308ff57c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29 RDX: 00000000175d90b1 RSI: 0000000020000000 RDI: 0000000000000005 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f308ff586d4 R13: 00000000004c86c5 R14: 00000000004dee40 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..