EXT4-fs error (device loop0): ext4_fill_super:4831: inode #2: comm syz-executor.0: casefold flag without casefold feature
EXT4-fs (loop0): warning: mounting fs with errors, running e2fsck is recommended
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none.
------------[ cut here ]------------
kernel BUG at fs/ext4/inline.c:781!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 420 Comm: syz-executor.0 Not tainted 5.15.147-syzkaller-1068928-g1c3a1f32bcbd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:ext4_write_inline_data_end+0xe13/0xe30 fs/ext4/inline.c:781
Code: f8 ff ff 44 89 f9 80 e1 07 fe c1 38 c1 0f 8c 28 fa ff ff 4c 89 ff e8 8c bf cc ff e9 1b fa ff ff e8 c2 12 dd 02 e8 1d db 8a ff <0f> 0b e8 16 db 8a ff 0f 0b e8 0f db 8a ff 0f 0b e8 08 db 8a ff 0f
RSP: 0018:ffffc90000eb7040 EFLAGS: 00010293
RAX: ffffffff81e531e3 RBX: 0000000000000000 RCX: ffff888112aecf00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000eb7198 R08: ffffffff81e52650 R09: ffffed1022050528
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000001c00000000 R15: 1ffff11022050527
FS:  00007f7096c1d6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f708e83cd58 CR3: 000000011b355000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_write_end+0x374/0xa00 fs/ext4/inode.c:1311
 ext4_da_write_end+0x88/0xab0 fs/ext4/inode.c:3071
 generic_perform_write+0x3b4/0x5a0 mm/filemap.c:3854
 ext4_buffered_write_iter+0x48a/0x610 fs/ext4/file.c:270
 ext4_file_write_iter+0x443/0x1c80
 do_iter_readv_writev+0x58e/0x790
 do_iter_write+0x1f5/0x760 fs/read_write.c:855
 vfs_iter_write+0x7c/0xa0 fs/read_write.c:896
 iter_file_splice_write+0x7f8/0xf90 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0xff/0x130 fs/splice.c:936
 splice_direct_to_actor+0x4f1/0xbe0 fs/splice.c:891
 do_splice_direct+0x27f/0x3c0 fs/splice.c:979
 do_sendfile+0x616/0xfe0 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+0x1ce/0x230 fs/read_write.c:1303
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f709709aae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7096c1d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f70971b9f80 RCX: 00007f709709aae9
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006
RBP: 00007f70970e647a R08: 0000000000000000 R09: 0000000000000000
R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f70971b9f80 R15: 00007ffc2f9a5bf8
 </TASK>
Modules linked in:
---[ end trace 223c60d1b53a1ada ]---
RIP: 0010:ext4_write_inline_data_end+0xe13/0xe30 fs/ext4/inline.c:781
Code: f8 ff ff 44 89 f9 80 e1 07 fe c1 38 c1 0f 8c 28 fa ff ff 4c 89 ff e8 8c bf cc ff e9 1b fa ff ff e8 c2 12 dd 02 e8 1d db 8a ff <0f> 0b e8 16 db 8a ff 0f 0b e8 0f db 8a ff 0f 0b e8 08 db 8a ff 0f
RSP: 0018:ffffc90000eb7040 EFLAGS: 00010293
RAX: ffffffff81e531e3 RBX: 0000000000000000 RCX: ffff888112aecf00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000eb7198 R08: ffffffff81e52650 R09: ffffed1022050528
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000001c00000000 R15: 1ffff11022050527
FS:  00007f7096c1d6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 000000011b355000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400