Hello, syzbot found the following issue on: HEAD commit: 808eb958781e Add linux-next specific files for 20250206 git tree: linux-next console+strace: https://syzkaller.appspot.com/x/log.txt?x=14a46df8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=88b25e5d30d576e4 dashboard link: https://syzkaller.appspot.com/bug?extid=2cca5ef7e5ed862c0799 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=161241b0580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16ee80e4580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/493ef93f2e5f/disk-808eb958.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b41757cd41c9/vmlinux-808eb958.xz kernel image: https://storage.googleapis.com/syzbot-assets/24f456104aad/bzImage-808eb958.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/fb0901f433df/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2cca5ef7e5ed862c0799@xxxxxxxxxxxxxxxxxxxxxxxxx EXT4-fs warning (device loop0): ext4_enable_quotas:7145: Failed to enable quota tracking (type=1, err=-22, ino=4). Please run e2fsck to fix. EXT4-fs (loop0): Cannot turn on quotas: error -22 ------------[ cut here ]------------ bad length passed for symlink [ �] (got 9000, expected 3) WARNING: CPU: 1 PID: 5832 at ./include/linux/fs.h:803 inode_set_cached_link+0xd0/0x110 include/linux/fs.h:802 Modules linked in: CPU: 1 UID: 0 PID: 5832 Comm: syz-executor433 Not tainted 6.14.0-rc1-next-20250206-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:inode_set_cached_link+0xd0/0x110 include/linux/fs.h:802 Code: 41 5f 5d c3 cc cc cc cc e8 ed 1b 44 ff c6 05 b5 51 8a 0d 01 90 48 c7 c7 20 dc 1d 8c 4c 89 f6 44 89 fa 89 e9 e8 d1 c7 04 ff 90 <0f> 0b 90 90 e9 6a ff ff ff 89 f9 80 e1 07 80 c1 03 38 c1 7c a1 e8 RSP: 0018:ffffc90003967658 EFLAGS: 00010246 RAX: b92553c73f221b00 RBX: ffff88807b3a02b0 RCX: ffff88802ef89e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000003 R08: ffffffff81803292 R09: fffffbfff1cfa5b8 R10: dffffc0000000000 R11: fffffbfff1cfa5b8 R12: ffff88807b3a02b0 R13: dffffc0000000000 R14: ffff88807b3a0000 R15: 0000000000002328 FS: 00005555558f7380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff832fc000 CR3: 0000000028d14000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __ext4_iget+0x2ea4/0x3f30 fs/ext4/inode.c:5000 ext4_orphan_get+0x1bb/0x5f0 fs/ext4/ialloc.c:1389 ext4_orphan_cleanup+0xa19/0x13d0 fs/ext4/orphan.c:467 __ext4_fill_super fs/ext4/super.c:5602 [inline] ext4_fill_super+0x5dd5/0x6760 fs/ext4/super.c:5722 get_tree_bdev_flags+0x48c/0x5c0 fs/super.c:1636 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3659 do_mount fs/namespace.c:3999 [inline] __do_sys_mount fs/namespace.c:4210 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4187 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc90683b93a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fff832fba58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fff832fba70 RCX: 00007fc90683b93a RDX: 0000200000000080 RSI: 0000200000000000 RDI: 00007fff832fba70 RBP: 0000200000000000 R08: 00007fff832fbab0 R09: 00000000000004f5 R10: 000000000200801f R11: 0000000000000202 R12: 0000200000000080 R13: 0000000000000004 R14: 0000000000000003 R15: 00007fff832fbab0 </TASK> --- 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
