Hello, syzbot found the following issue on: HEAD commit: 4a5df3796467 Merge tag 'mm-hotfixes-stable-2024-11-16-15-3.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=165adb5f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=ca2f08f822652bd0 dashboard link: https://syzkaller.appspot.com/bug?extid=fe2a25dae02a207717a0 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=118eb2c0580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1395f130580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/5912c1b48bcf/disk-4a5df379.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/e9bdeba257b7/vmlinux-4a5df379.xz kernel image: https://storage.googleapis.com/syzbot-assets/567e5bf968eb/bzImage-4a5df379.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/94e36b599391/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+fe2a25dae02a207717a0@xxxxxxxxxxxxxxxxxxxxxxxxx EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:235! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 UID: 0 PID: 5838 Comm: syz-executor116 Not tainted 6.12.0-rc7-syzkaller-00212-g4a5df3796467 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:ext4_write_inline_data+0x36b/0x460 fs/ext4/inline.c:235 Code: df 41 ff e8 f7 df 41 ff 45 8d 64 2c c4 b8 3c 00 00 00 29 e8 4c 63 f0 e9 c7 fe ff ff e8 de df 41 ff 90 0f 0b e8 d6 df 41 ff 90 <0f> 0b e8 8e b8 a2 ff e9 d6 fd ff ff 4c 89 ff e8 81 b8 a2 ff e9 71 RSP: 0018:ffffc90003e078e0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888074c38c98 RCX: ffffffff824b9874 RDX: ffff8880349bbc00 RSI: ffffffff824b9a7a RDI: 0000000000000006 RBP: 0000010000000005 R08: 0000000000000006 R09: 0000010000000006 R10: 000000000000003c R11: 0000000000000000 R12: 0000000000000001 R13: ffffc90003e07980 R14: 0000010000000006 R15: ffff888074c39242 FS: 00005555714a8380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000066c7e0 CR3: 0000000077348000 CR4: 0000000000350ef0 Call Trace: <TASK> ext4_write_inline_data_end+0x278/0xc50 fs/ext4/inline.c:774 ext4_da_write_end+0x54e/0xd00 fs/ext4/inode.c:3065 generic_perform_write+0x4e8/0x920 mm/filemap.c:4069 ext4_buffered_write_iter+0x119/0x3c0 fs/ext4/file.c:299 ext4_file_write_iter+0x861/0x19d0 fs/ext4/file.c:698 new_sync_write fs/read_write.c:590 [inline] vfs_write+0x5b1/0x1150 fs/read_write.c:683 ksys_pwrite64 fs/read_write.c:798 [inline] __do_sys_pwrite64 fs/read_write.c:808 [inline] __se_sys_pwrite64 fs/read_write.c:805 [inline] __x64_sys_pwrite64+0x200/0x260 fs/read_write.c:805 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f18e1c07679 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff5a649ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fff5a64a078 RCX: 00007f18e1c07679 RDX: 0000000000000001 RSI: 0000000020000300 RDI: 0000000000000004 RBP: 00007f18e1c7b610 R08: 0000000000000000 R09: 00007fff5a64a078 R10: 0000010000000005 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff5a64a068 R14: 0000000000000001 R15: 0000000000000001 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_write_inline_data+0x36b/0x460 fs/ext4/inline.c:235 Code: df 41 ff e8 f7 df 41 ff 45 8d 64 2c c4 b8 3c 00 00 00 29 e8 4c 63 f0 e9 c7 fe ff ff e8 de df 41 ff 90 0f 0b e8 d6 df 41 ff 90 <0f> 0b e8 8e b8 a2 ff e9 d6 fd ff ff 4c 89 ff e8 81 b8 a2 ff e9 71 RSP: 0018:ffffc90003e078e0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888074c38c98 RCX: ffffffff824b9874 RDX: ffff8880349bbc00 RSI: ffffffff824b9a7a RDI: 0000000000000006 RBP: 0000010000000005 R08: 0000000000000006 R09: 0000010000000006 R10: 000000000000003c R11: 0000000000000000 R12: 0000000000000001 R13: ffffc90003e07980 R14: 0000010000000006 R15: ffff888074c39242 FS: 00005555714a8380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5524d17095 CR3: 0000000077348000 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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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
