WARNING: CPU: 0 PID: 7377 at fs/ext4/inode.c:3895 ext4_set_page_dirty+0x242/0x2b0 fs/ext4/inode.c:3895 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7377 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #9 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+0x194/0x24d lib/dump_stack.c:53 panic+0x1e4/0x41c kernel/panic.c:183 __warn+0x1dc/0x200 kernel/panic.c:547 report_bug+0x1f4/0x2b0 lib/bug.c:186 fixup_bug.part.10+0x37/0x80 arch/x86/kernel/traps.c:178 fixup_bug arch/x86/kernel/traps.c:247 [inline] do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:986 RIP: 0010:ext4_set_page_dirty+0x242/0x2b0 fs/ext4/inode.c:3895 RSP: 0000:ffff88018b725df0 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffffea0006713040 RCX: ffffffff81ee1072 RDX: 0000000000002ee2 RSI: ffffc900074f3000 RDI: ffffea0006713040 RBP: ffff88018b725ec0 R08: 1ffff100316e4c1c R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff100316e4bbf R13: ffffea0006713040 R14: ffff88018b725e98 R15: ffffea0006713060 set_page_dirty+0x2c5/0x5d0 mm/page-writeback.c:2565 set_page_dirty_lock+0xf2/0x160 mm/page-writeback.c:2590 dio_bio_complete+0x514/0x750 fs/direct-io.c:560 dio_await_completion fs/direct-io.c:581 [inline] do_blockdev_direct_IO+0x7270/0xc960 fs/direct-io.c:1392 __blockdev_direct_IO+0x9d/0xd0 fs/direct-io.c:1421 ext4_direct_IO_read fs/ext4/inode.c:3830 [inline] ext4_direct_IO+0xfe5/0x1980 fs/ext4/inode.c:3866 generic_file_read_iter+0x4cc/0x28e0 mm/filemap.c:2343 ext4_file_read_iter+0x113/0x160 fs/ext4/file.c:77 call_read_iter include/linux/fs.h:1776 [inline] new_sync_read fs/read_write.c:401 [inline] __vfs_read+0x6a7/0xa00 fs/read_write.c:413 vfs_read+0x11e/0x350 fs/read_write.c:447 SYSC_pread64 fs/read_write.c:611 [inline] SyS_pread64+0x15b/0x190 fs/read_write.c:598 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x454e79 RSP: 002b:00007feb4557bc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000011 RAX: ffffffffffffffda RBX: 00007feb4557c6d4 RCX: 0000000000454e79 RDX: 00000000ffffff72 RSI: 0000000020003c00 RDI: 0000000000000018 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000046d R14: 00000000006f8ad8 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..