EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. ------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:236! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 370 Comm: syz-executor.0 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:ext4_write_inline_data+0x3ab/0x3b0 fs/ext4/inline.c:236 Code: 07 fe c1 38 c1 0f 8c 2c ff ff ff 48 89 df 49 89 d7 e8 a9 e3 cc ff 4c 89 fa e9 19 ff ff ff e8 3c b7 87 ff 0f 0b e8 35 b7 87 ff <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 b8 a4 70 30 e0 55 RSP: 0018:ffffc900015d7160 EFLAGS: 00010293 RAX: ffffffff81e9928b RBX: 0000000000001000 RCX: ffff888113f81440 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000001000 RBP: ffffc900015d71b0 R08: ffff888114644257 R09: 1ffff110228c884a R10: dffffc0000000000 R11: ffffed10228c884b R12: ffff88812754c050 R13: ffffc900015d7240 R14: 0000000000000004 R15: 000000000000003c FS: 00007f855142f6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000080 CR3: 000000011431b000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_inline_data_end+0x337/0xa90 fs/ext4/inline.c:785 ext4_da_write_end+0x1ce/0x8c0 fs/ext4/inode.c:3093 generic_perform_write+0x3ac/0x6f0 mm/filemap.c:3898 ext4_buffered_write_iter+0x36f/0x660 fs/ext4/file.c:285 ext4_file_write_iter+0x191/0x1500 fs/ext4/file.c:-1 do_iter_readv_writev fs/read_write.c:-1 [inline] do_iter_write+0x665/0xb40 fs/read_write.c:861 vfs_iter_write+0x7d/0xa0 fs/read_write.c:902 iter_file_splice_write+0x69e/0xcd0 fs/splice.c:685 do_splice_from fs/splice.c:763 [inline] direct_splice_actor+0xf7/0x130 fs/splice.c:930 splice_direct_to_actor+0x4ad/0xb30 fs/splice.c:885 do_splice_direct+0x1c2/0x2d0 fs/splice.c:973 do_sendfile+0x5ed/0xea0 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64 fs/read_write.c:1309 [inline] __x64_sys_sendfile64+0x199/0x1f0 fs/read_write.c:1309 x64_sys_call+0x62c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:41 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f855066d0f9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 d0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f855142f0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f85507abf80 RCX: 00007f855066d0f9 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f85506ce498 R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f85507abf80 R15: 00007ffc8a5e32e8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_write_inline_data+0x3ab/0x3b0 fs/ext4/inline.c:236 Code: 07 fe c1 38 c1 0f 8c 2c ff ff ff 48 89 df 49 89 d7 e8 a9 e3 cc ff 4c 89 fa e9 19 ff ff ff e8 3c b7 87 ff 0f 0b e8 35 b7 87 ff <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 b8 a4 70 30 e0 55 RSP: 0018:ffffc900015d7160 EFLAGS: 00010293 RAX: ffffffff81e9928b RBX: 0000000000001000 RCX: ffff888113f81440 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000001000 RBP: ffffc900015d71b0 R08: ffff888114644257 R09: 1ffff110228c884a R10: dffffc0000000000 R11: ffffed10228c884b R12: ffff88812754c050 R13: ffffc900015d7240 R14: 0000000000000004 R15: 000000000000003c FS: 00007f855142f6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000080 CR3: 000000011431b000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400