EXT4-fs error (device loop6): ext4_orphan_get:1406: comm syz.6.1044: couldn't read orphan inode 15 (err -117) EXT4-fs (loop6): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: writeback. ------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:789! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4643 Comm: syz.6.1044 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:ext4_write_inline_data_end+0xdb1/0xdd0 fs/ext4/inline.c:789 Code: 54 24 50 e9 03 f8 ff ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 0c fa ff ff 4c 89 f7 e8 b9 9b d0 ff e9 ff f9 ff ff e8 1f 1a 92 ff <0f> 0b e8 18 1a 92 ff 0f 0b e8 11 1a 92 ff 0f 0b e8 0a 1a 92 ff 0f RSP: 0018:ffffc90004def0c0 EFLAGS: 00010293 RAX: ffffffff81d6a4c1 RBX: 0000000000000000 RCX: ffff88811c948000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90004def220 R08: dffffc0000000000 R09: ffffed1026112b00 R10: ffffed1026112b00 R11: 1ffff11026112aff R12: ffff8881308957f8 R13: 0000000000000001 R14: ffff888130895900 R15: dffffc0000000000 FS: 00007f870f2dd6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f870f2bcd58 CR3: 000000010eae0000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_end+0x3aa/0xa70 fs/ext4/inode.c:1335 generic_perform_write+0x34c/0x670 mm/filemap.c:3881 ext4_buffered_write_iter+0x4ed/0x670 fs/ext4/file.c:270 ext4_file_write_iter+0x18c/0x1550 fs/ext4/file.c:664 do_iter_readv_writev+0x491/0x600 fs/read_write.c:-1 do_iter_write+0x1fa/0x7b0 fs/read_write.c:855 vfs_iter_write+0x7d/0xa0 fs/read_write.c:896 iter_file_splice_write+0x650/0xc30 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xe9/0x120 fs/splice.c:936 splice_direct_to_actor+0x4cd/0xb30 fs/splice.c:891 do_splice_direct+0x1b3/0x2c0 fs/splice.c:979 do_sendfile+0x5c6/0xeb0 fs/read_write.c:1249 __do_sys_sendfile64 fs/read_write.c:1317 [inline] __se_sys_sendfile64 fs/read_write.c:1303 [inline] __x64_sys_sendfile64+0x18f/0x1f0 fs/read_write.c:1303 x64_sys_call+0x88d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:41 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f870f46cbe9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f870f2dd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f870f693fa0 RCX: 00007f870f46cbe9 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005 RBP: 00007f870f4efe19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000040001 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f870f694038 R14: 00007f870f693fa0 R15: 00007ffe7730bc08 Modules linked in: ---[ end trace 3cd19f2cf798b3d1 ]--- RIP: 0010:ext4_write_inline_data_end+0xdb1/0xdd0 fs/ext4/inline.c:789 Code: 54 24 50 e9 03 f8 ff ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 0c fa ff ff 4c 89 f7 e8 b9 9b d0 ff e9 ff f9 ff ff e8 1f 1a 92 ff <0f> 0b e8 18 1a 92 ff 0f 0b e8 11 1a 92 ff 0f 0b e8 0a 1a 92 ff 0f RSP: 0018:ffffc90004def0c0 EFLAGS: 00010293 RAX: ffffffff81d6a4c1 RBX: 0000000000000000 RCX: ffff88811c948000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90004def220 R08: dffffc0000000000 R09: ffffed1026112b00 R10: ffffed1026112b00 R11: 1ffff11026112aff R12: ffff8881308957f8 R13: 0000000000000001 R14: ffff888130895900 R15: dffffc0000000000 FS: 00007f870f2dd6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f106e32b000 CR3: 000000010eae0000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400