EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. ------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:236! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4523 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_write_inline_data+0x2ec/0x2f0 fs/ext4/inline.c:236 lr : ext4_write_inline_data+0x2ec/0x2f0 fs/ext4/inline.c:236 sp : ffff800022437560 x29: ffff800022437560 x28: 1fffe0001caf224f x27: dfff800000000000 x26: 0000000000000048 x25: 0000000000000058 x24: ffff800022437620 x23: ffff0000eb222000 x22: ffff0000e579127a x21: ffff0000e5790cb8 x20: 0000000000000010 x19: 0000000000000048 x18: 0000000000000000 x17: ffff800018349000 x16: ffff8000082d7e60 x15: 0000000000000000 x14: 0000000000000001 x13: 1fffe0001c071a29 x12: 0000000000ff0100 x11: ff00800008d5eca0 x10: 0000000000000000 x9 : ffff800008d5eca0 x8 : ffff0000c2f85340 x7 : ffff800008d0b510 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000010 x3 : 0000000000000048 x2 : ffff0000eb222000 x1 : 0000000000000048 x0 : 0000000000000058 Call trace: ext4_write_inline_data+0x2ec/0x2f0 fs/ext4/inline.c:236 ext4_write_inline_data_end+0x30c/0xcd4 fs/ext4/inline.c:795 ext4_da_write_end+0x3f8/0x8b4 fs/ext4/inode.c:3092 generic_perform_write+0x300/0x4f4 mm/filemap.c:3873 ext4_buffered_write_iter+0x2c4/0x528 fs/ext4/file.c:285 ext4_file_write_iter+0x18c/0x1574 fs/ext4/file.c:-1 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x3ec/0x7f0 fs/read_write.c:584 ksys_write+0x12c/0x224 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: 17ffffca 97dd3195 d4210000 97dd3193 (d4210000) ---[ end trace 0000000000000000 ]---