WARNING in ext4_dio_get_block

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
android-414	WARNING in ext4_dio_get_block_overwrite (2)	-1	3	2416d	2470d	0/1	auto-closed as invalid on 2020/02/21 05:41
android-414	WARNING in ext4_dio_get_block_overwrite	-1	2	2730d	2609d	0/1	auto-closed as invalid on 2019/06/12 07:43
upstream	WARNING in ext4_dio_get_block_overwrite ext4	-1	11	2657d	2747d	0/29	auto-closed as invalid on 2019/08/23 22:50
android-49	WARNING in ext4_dio_get_block_overwrite	-1	8	2397d	2609d	0/3	auto-closed as invalid on 2020/03/10 23:01

netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 22242 at fs/ext4/inode.c:963 ext4_dio_get_block_overwrite fs/ext4/inode.c:963 [inline] WARNING: CPU: 1 PID: 22242 at fs/ext4/inode.c:963 ext4_dio_get_block_overwrite+0x8d/0xc0 fs/ext4/inode.c:948 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 22242 Comm: syz-executor.4 Not tainted 4.14.183-syzkaller #0 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+0x1b2/0x283 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x2f/0x30 kernel/panic.c:547 report_bug+0x20a/0x248 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+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:ext4_dio_get_block_overwrite fs/ext4/inode.c:963 [inline] RIP: 0010:ext4_dio_get_block_overwrite+0x8d/0xc0 fs/ext4/inode.c:948 RSP: 0018:ffff88804ccf7308 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88804ccf74b0 RCX: ffffc9000a525000 RDX: 0000000000040000 RSI: ffffffff81be706d RDI: ffff888215f28618 RBP: 000000000000007a R08: 0000000000000001 R09: 0000000000000001 R10: ffff88804301a8f0 R11: ffff88804301a040 R12: 0000000000000000 R13: ffff88804301a040 R14: 000000000000007a R15: ffff88801ad715c0 get_more_blocks fs/direct-io.c:718 [inline] do_direct_IO fs/direct-io.c:1003 [inline] do_blockdev_direct_IO fs/direct-io.c:1336 [inline] __blockdev_direct_IO+0x3103/0xe97c fs/direct-io.c:1422 ext4_direct_IO_write fs/ext4/inode.c:3716 [inline] ext4_direct_IO+0xeb8/0x1970 fs/ext4/inode.c:3852 generic_file_direct_write+0x1df/0x420 mm/filemap.c:2950 __generic_file_write_iter+0x2a5/0x590 mm/filemap.c:3129 ext4_file_write_iter+0x279/0xd90 fs/ext4/file.c:270 call_write_iter include/linux/fs.h:1778 [inline] do_iter_readv_writev+0x3df/0x600 fs/read_write.c:675 do_iter_write fs/read_write.c:954 [inline] do_iter_write+0x152/0x550 fs/read_write.c:935 vfs_iter_write+0x70/0xa0 fs/read_write.c:967 iter_file_splice_write+0x52e/0xa10 fs/splice.c:749 do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x115/0x160 fs/splice.c:1018 splice_direct_to_actor+0x27e/0x730 fs/splice.c:973 do_splice_direct+0x164/0x210 fs/splice.c:1061 do_sendfile+0x469/0xaf0 fs/read_write.c:1441 SYSC_sendfile64 fs/read_write.c:1502 [inline] SyS_sendfile64+0xff/0x110 fs/read_write.c:1488 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45ca69 RSP: 002b:00007ff5ac387c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00000000004fc580 RCX: 000000000045ca69 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000003 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 00008400fffffffa R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000008dc R14: 00000000004cba56 R15: 00007ff5ac3886d4 Kernel Offset: disabled Rebooting in 86400 seconds..