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Fri, 18 Jul 2025 04:19:07 -0700 (PDT) Date: Fri, 18 Jul 2025 04:19:07 -0700 In-Reply-To: <20250718105849.484227-1-richard120310@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <687a2dab.a00a0220.3af5df.0028.GAE@google.com> Subject: Re: [syzbot] [fs?] WARNING in minix_rename From: syzbot To: linux-kernel@vger.kernel.org, richard120310@gmail.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: WARNING in minix_rename ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6941 at fs/inode.c:417 drop_nlink+0xc5/0x110 fs/inode.c:417 Modules linked in: CPU: 1 UID: 0 PID: 6941 Comm: syz.1.17 Not tainted 6.16.0-rc3-syzkaller-00042-g78f4e737a53e-dirty #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:drop_nlink+0xc5/0x110 fs/inode.c:417 Code: 78 07 00 00 be 08 00 00 00 e8 c7 35 e8 ff f0 48 ff 83 78 07 00 00 5b 41 5c 41 5e 41 5f 5d e9 42 01 29 09 cc e8 fc da 86 ff 90 <0f> 0b 90 eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5b ff ff ff RSP: 0018:ffffc900037afa30 EFLAGS: 00010293 RAX: ffffffff82397124 RBX: ffff888058536fc8 RCX: ffff88805e4e1e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8f9fe1f7 R09: 1ffffffff1f3fc3e R10: dffffc0000000000 R11: fffffbfff1f3fc3f R12: 1ffff1100b0a6e02 R13: ffff888058536fc8 R14: ffff888058537010 R15: dffffc0000000000 FS: 00007f6555c806c0(0000) GS:ffff888125d83000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd2e9a57000 CR3: 0000000031f34000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2634 [inline] minix_rename+0x41d/0x780 fs/minix/namei.c:227 vfs_rename+0xb99/0xec0 fs/namei.c:5137 do_renameat2+0x878/0xc50 fs/namei.c:5286 __do_sys_rename fs/namei.c:5333 [inline] __se_sys_rename fs/namei.c:5331 [inline] __x64_sys_rename+0x82/0x90 fs/namei.c:5331 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6554d8e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6555c80038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f6554fb6080 RCX: 00007f6554d8e929 RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000200000001980 RBP: 00007f6554e10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f6554fb6080 R15: 00007ffd76fa1978 Tested on: commit: 78f4e737 Merge tag 'for-6.16/dm-fixes' of git://git.ke.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=1619b382580000 kernel config: https://syzkaller.appspot.com/x/.config?x=296f8ec27963edb9 dashboard link: https://syzkaller.appspot.com/bug?extid=a65e824272c5f741247d compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 patch: https://syzkaller.appspot.com/x/patch.diff?x=11f1b382580000