------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:236! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 682 Comm: syz.3.48 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:ext4_write_inline_data+0x39f/0x3b0 fs/ext4/inline.c:236 Code: 07 fe c1 38 c1 0f 8c 25 ff ff ff 48 89 df 49 89 d7 e8 25 be cc ff 4c 89 fa e9 12 ff ff ff e8 a8 31 87 ff 0f 0b e8 a1 31 87 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 RSP: 0018:ffffc90001207540 EFLAGS: 00010293 RAX: ffffffff81ea3c9f RBX: 0000000000006000 RCX: ffff8881148b2880 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000006000 RBP: ffffc90001207590 R08: ffff888118c3e287 R09: 1ffff11023187c50 R10: dffffc0000000000 R11: ffffed1023187c51 R12: ffff88812379a3b8 R13: ffffc90001207620 R14: 0000000000005405 R15: 000000000000003c FS: 00007fa0083ff6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000080 CR3: 00000001177c4000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_inline_data_end+0x31d/0xa40 fs/ext4/inline.c:803 ext4_da_write_end+0x1e0/0x930 fs/ext4/inode.c:3095 generic_perform_write+0x3e5/0x740 mm/filemap.c:3938 ext4_buffered_write_iter+0x38f/0x690 fs/ext4/file.c:285 ext4_file_write_iter+0x4b2/0x1540 fs/ext4/file.c:-1 do_iter_readv_writev fs/read_write.c:-1 [inline] do_iter_write+0x65a/0xb30 fs/read_write.c:861 vfs_writev+0x339/0x5f0 fs/read_write.c:934 do_pwritev fs/read_write.c:1031 [inline] __do_sys_pwritev2 fs/read_write.c:1090 [inline] __se_sys_pwritev2+0x17d/0x290 fs/read_write.c:1081 __x64_sys_pwritev2+0xbf/0xd0 fs/read_write.c:1081 x64_sys_call+0x2d6/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:329 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fa00859cdd9 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa0083ff028 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007fa008815fa0 RCX: 00007fa00859cdd9 RDX: 0000000000000001 RSI: 0000200000000100 RDI: 0000000000000004 RBP: 00007fa008632d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000005405 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa008816038 R14: 00007fa008815fa0 R15: 00007fff035a7b18 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_write_inline_data+0x39f/0x3b0 fs/ext4/inline.c:236 Code: 07 fe c1 38 c1 0f 8c 25 ff ff ff 48 89 df 49 89 d7 e8 25 be cc ff 4c 89 fa e9 12 ff ff ff e8 a8 31 87 ff 0f 0b e8 a1 31 87 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 RSP: 0018:ffffc90001207540 EFLAGS: 00010293 RAX: ffffffff81ea3c9f RBX: 0000000000006000 RCX: ffff8881148b2880 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000006000 RBP: ffffc90001207590 R08: ffff888118c3e287 R09: 1ffff11023187c50 R10: dffffc0000000000 R11: ffffed1023187c51 R12: ffff88812379a3b8 R13: ffffc90001207620 R14: 0000000000005405 R15: 000000000000003c FS: 00007fa0083ff6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000080 CR3: 00000001177c4000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400