------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:757! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 9410 Comm: syz-executor282 Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88809c7e0500 task.stack: ffff888091790000 RIP: 0010:ext4_write_inline_data_end+0x360/0x490 fs/ext4/inline.c:757 RSP: 0018:ffff8880917974a8 EFLAGS: 00010297 RAX: ffff88809c7e0500 RBX: 1ffff110122f2e99 RCX: 00000000000006be RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88808b516250 RBP: ffff88808b5163f0 R08: ffffffff8b9930b0 R09: 000000000004040f R10: ffff88809c7e0dd8 R11: ffff88809c7e0500 R12: ffffea00022cc000 R13: 0000000000000001 R14: ffff8880917974e8 R15: ffff88808b516258 FS: 00007f3730c71700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004d36c0 CR3: 000000009a801000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_end+0x18d/0xca0 fs/ext4/inode.c:1422 ext4_da_write_end+0x6da/0x8e0 fs/ext4/inode.c:3177 generic_perform_write+0x268/0x420 mm/filemap.c:3066 __generic_file_write_iter+0x42b/0x590 mm/filemap.c:3148 ext4_file_write_iter+0x276/0xd20 fs/ext4/file.c:270 call_write_iter include/linux/fs.h:1778 [inline] do_iter_readv_writev+0x4cf/0x5f0 fs/read_write.c:675 do_iter_write+0x152/0x550 fs/read_write.c:954 vfs_iter_write+0x70/0xa0 fs/read_write.c:967 iter_file_splice_write+0x52b/0xa90 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+0x27c/0x730 fs/splice.c:973 do_splice_direct+0x164/0x210 fs/splice.c:1061 do_sendfile+0x47f/0xb30 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: 0033:0x44acd9 RSP: 002b:00007f3730c712f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00000000004cd4e0 RCX: 000000000044acd9 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003 RBP: 000000000049d0b4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000010000 R11: 0000000000000246 R12: 0030656c69662f2e R13: 000000000049c0b0 R14: 0000000300000002 R15: 00000000004cd4e8 Code: 3c 02 00 0f 85 29 01 00 00 48 8b 7d 28 44 89 f9 ba ef 02 00 00 45 31 e4 48 c7 c6 a0 13 98 87 e8 b7 99 0c 00 eb 8d e8 00 07 9c ff <0f> 0b e8 f9 06 9c ff 49 8d 7c 24 20 48 89 f8 48 c1 e8 03 42 80 RIP: ext4_write_inline_data_end+0x360/0x490 fs/ext4/inline.c:757 RSP: ffff8880917974a8 ---[ end trace 471dc57d81c657fc ]---