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charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hello, syzbot has tested the proposed patch but the reproducer is still triggering= an issue: WARNING in inode_set_cached_link ------------[ cut here ]------------ bad length passed for symlink [/tmp/syz-imagegen2884317625/=08] (got 39, ex= pected 29) WARNING: CPU: 0 PID: 6579 at ./include/linux/fs.h:803 inode_set_cached_link= +0xd0/0x110 include/linux/fs.h:802 Modules linked in: CPU: 0 UID: 0 PID: 6579 Comm: syz-executor Not tainted 6.14.0-rc4-syzkaller= -00172-g1d0b929fc070-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Goo= gle 02/12/2025 RIP: 0010:inode_set_cached_link+0xd0/0x110 include/linux/fs.h:802 Code: 41 5f 5d c3 cc cc cc cc e8 3d ef 44 ff c6 05 e0 41 a8 0d 01 90 48 c7 = c7 e0 23 3e 8c 4c 89 f6 44 89 fa 89 e9 e8 21 79 03 ff 90 <0f> 0b 90 90 e9 6= a ff ff ff 89 f9 80 e1 07 80 c1 03 38 c1 7c a1 e8 RSP: 0018:ffffc90003667698 EFLAGS: 00010246 RAX: 720c93d201fc4800 RBX: ffff888063c302b0 RCX: ffff88807b148000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 000000000000001d R08: ffffffff81819472 R09: 1ffff110170c519a R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff888063c302b0 R13: dffffc0000000000 R14: ffff888063c30000 R15: 0000000000000027 FS: 000055558945a500(0000) GS:ffff8880b8600000(0000) knlGS:000000000000000= 0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe2a3a0da8 CR3: 0000000033d6c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ext4_iget+0x2ea4/0x3f30 fs/ext4/inode.c:5012 ext4_lookup+0x3e3/0x750 fs/ext4/namei.c:1813 __lookup_slow+0x296/0x400 fs/namei.c:1793 lookup_slow+0x53/0x70 fs/namei.c:1810 walk_component+0x2ea/0x410 fs/namei.c:2114 lookup_last fs/namei.c:2612 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2636 filename_lookup+0x2a3/0x670 fs/namei.c:2665 user_path_at+0x3a/0x60 fs/namei.c:3072 ksys_umount fs/namespace.c:2071 [inline] __do_sys_umount fs/namespace.c:2079 [inline] __se_sys_umount fs/namespace.c:2077 [inline] __x64_sys_umount+0xf1/0x170 fs/namespace.c:2077 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: 0033:0x7fdcbc38e497 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 = 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff f= f 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffe2a3a1558 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: ffffffffffffffda RBX: 00007fdcbc40e08c RCX: 00007fdcbc38e497 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe2a3a1610 RBP: 00007ffe2a3a1610 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe2a3a2700 R13: 00007fdcbc40e08c R14: 000000000001bcfe R15: 00007ffe2a3a48c0 Tested on: commit: 1d0b929f afs: Change dynroot to create contents on dem.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linu= x.git console output: https://syzkaller.appspot.com/x/log.txt?x=3D17fb7804580000 kernel config: https://syzkaller.appspot.com/x/.config?x=3Db1debf8c2c3d28b= 1 dashboard link: https://syzkaller.appspot.com/bug?extid=3D3b6c5c6a1d0119b68= 7a1 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debia= n) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D1514864c5800= 00