Hello, syzbot found the following issue on: HEAD commit: 6764c317b6bb Merge tag 'scsi-fixes' of git://git.kernel.or.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=132faab7e80000 kernel config: https://syzkaller.appspot.com/x/.config?x=2c0ac5dfae6ecc58 dashboard link: https://syzkaller.appspot.com/bug?extid=0c89d865531d053abb2d compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/90c636d7609b/disk-6764c317.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9d76784c4adc/vmlinux-6764c317.xz kernel image: https://storage.googleapis.com/syzbot-assets/4fa116a29660/bzImage-6764c317.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0c89d865531d053abb2d@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:763! invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 11999 Comm: syz-executor.1 Not tainted 6.8.0-rc2-syzkaller-00055-g6764c317b6bb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:ext4_write_inline_data_end+0x550/0xc20 fs/ext4/inline.c:763 Code: 25 28 00 00 00 0f 85 1d 06 00 00 48 81 c4 b0 00 00 00 44 89 f0 5b 5d 41 5c 41 5d 41 5e 41 5f e9 46 d6 87 08 e8 21 65 4c ff 90 <0f> 0b e8 19 65 4c ff 4d 8d 7c 24 34 4c 89 e7 e8 5c 3c 7c ff be 04 RSP: 0018:ffffc90004a3f928 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880452c82b0 RCX: ffffffff82400124 RDX: ffff888020358000 RSI: ffffffff8240049f RDI: 0000000000000001 RBP: 0000000000000020 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000004 R12: ffffea00013a6980 R13: 0000000000000020 R14: ffff8880452c8050 R15: ffffc90004a3f978 FS: 00007f1365d136c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb7e6f02425 CR3: 0000000028762000 CR4: 0000000000350ef0 Call Trace: <TASK> ext4_write_end+0x4af/0xed0 fs/ext4/inode.c:1284 generic_perform_write+0x33b/0x620 mm/filemap.c:3941 ext4_buffered_write_iter+0x11f/0x3d0 fs/ext4/file.c:299 ext4_file_write_iter+0x819/0x1960 fs/ext4/file.c:698 call_write_iter include/linux/fs.h:2085 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0x6e1/0x1110 fs/read_write.c:590 ksys_write+0x12f/0x260 fs/read_write.c:643 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd8/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7f136507dda9 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:00007f1365d130c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f13651abf80 RCX: 00007f136507dda9 RDX: 0000000000000020 RSI: 00000000200002c0 RDI: 0000000000000005 RBP: 00007f13650ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f13651abf80 R15: 00007ffc77beff18 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_write_inline_data_end+0x550/0xc20 fs/ext4/inline.c:763 Code: 25 28 00 00 00 0f 85 1d 06 00 00 48 81 c4 b0 00 00 00 44 89 f0 5b 5d 41 5c 41 5d 41 5e 41 5f e9 46 d6 87 08 e8 21 65 4c ff 90 <0f> 0b e8 19 65 4c ff 4d 8d 7c 24 34 4c 89 e7 e8 5c 3c 7c ff be 04 RSP: 0018:ffffc90004a3f928 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880452c82b0 RCX: ffffffff82400124 RDX: ffff888020358000 RSI: ffffffff8240049f RDI: 0000000000000001 RBP: 0000000000000020 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000004 R12: ffffea00013a6980 R13: 0000000000000020 R14: ffff8880452c8050 R15: ffffc90004a3f978 FS: 00007f1365d136c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffb08627d58 CR3: 0000000028762000 CR4: 0000000000350ef0 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
