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Fri, 02 Feb 2024 19:17:04 -0800 (PST) Date: Fri, 02 Feb 2024 19:17:04 -0800 In-Reply-To: <20240203004122.1625-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a8eeb4061071a9f6@google.com> Subject: Re: [syzbot] [net?] WARNING in __unix_gc From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, 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 __unix_gc ------------[ cut here ]------------ WARNING: CPU: 1 PID: 11 at net/unix/garbage.c:350 __unix_gc+0xe90/0xec0 net/unix/garbage.c:350 Modules linked in: CPU: 1 PID: 11 Comm: kworker/u4:0 Not tainted 6.8.0-rc2-syzkaller-g73c59d6fe109-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Workqueue: events_unbound __unix_gc RIP: 0010:__unix_gc+0xe90/0xec0 net/unix/garbage.c:350 Code: 8b 04 25 28 00 00 00 48 3b 84 24 20 01 00 00 75 40 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 31 9a 8b f7 90 <0f> 0b 90 eb 8e 48 8b 4c 24 08 80 e1 07 80 c1 03 38 c1 0f 8c e4 fb RSP: 0018:ffffc90000107a80 EFLAGS: 00010293 RAX: ffffffff8a07bc2f RBX: 0000000000000000 RCX: ffff8880172ebb80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000107bf0 R08: ffffffff8a07bbb3 R09: fffff52000020f40 R10: dffffc0000000000 R11: fffff52000020f40 R12: 1ffff92000020f5e R13: ffffc90000107ae0 R14: ffffc90000107ae0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f83579e65e8 CR3: 000000000df34000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x973/0x14b0 kernel/workqueue.c:2706 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787 kthread+0x2ef/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:242 Tested on: commit: 73c59d6f Merge branch 'net-sched-load-modules-via-alias' git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=14fdf6ffe80000 kernel config: https://syzkaller.appspot.com/x/.config?x=a2ad00c8608f36a5 dashboard link: https://syzkaller.appspot.com/bug?extid=fa3ef895554bdbfd1183 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=1384e09fe80000