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AJvYcCWFAa8nbH8XrCUa2kR0ID75hNMeRArXRDsZx0ZvPqlzrTAniIP74TrkxQ+jR7816KgSCOzWpxw=@vger.kernel.org X-Gm-Message-State: AOJu0Yyfy7oara2/QbdjUadE3CJfukbTmBTSx7tBBEMpc4cPbFyibk7/ vnjTevt9Xc6ggm/5PKYV/KncdE2nrbgB+IjdmlRlQEl9o9P/cAxtWAQrw8wXlN+hQLwWByrdRv8 mK40dvRWsyhf3o8pyjX5l7Qg9Y38GeEi4dby4rc954JHIsqcd4bS5h0IbCHM= X-Google-Smtp-Source: AGHT+IFqMQVuMCLxQnYmm3zrWq/rFPMsuGHkTW8gwAwJXGgXzD5v6VG/qOtR8daXJAoQp0CT0MXl/N8gwmCqLVVcKlod+u+L6H7J Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a4a:dd0b:0:b0:654:18f9:10f4 with SMTP id 006d021491bc7-65f54e4e232mr512495eaf.0.1767770981262; Tue, 06 Jan 2026 23:29:41 -0800 (PST) Date: Tue, 06 Jan 2026 23:29:41 -0800 In-Reply-To: <20260106164338.1738035-1-edumazet@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <695e0b65.050a0220.1c677c.0359.GAE@google.com> Subject: [syzbot ci] Re: net: update netdev_lock_{type,name} From: syzbot ci To: davem@davemloft.net, edumazet@google.com, eric.dumazet@gmail.com, horms@kernel.org, kuba@kernel.org, netdev@vger.kernel.org, pabeni@redhat.com Cc: syzbot@lists.linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot ci has tested the following series [v1] net: update netdev_lock_{type,name} https://lore.kernel.org/all/20260106164338.1738035-1-edumazet@google.com * [PATCH net] net: update netdev_lock_{type,name} and found the following issue: WARNING in netdev_init_one_queue Full report is available here: https://ci.syzbot.org/series/68d4719e-5ae3-402a-a73d-99450d0774b4 *** WARNING in netdev_init_one_queue tree: net URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/netdev/net.git base: 1806d210e5a8f431ad4711766ae4a333d407d972 arch: amd64 compiler: Debian clang version 21.1.8 (++20251202083448+f68f64eb8130-1~exp1~20251202083504.46), Debian LLD 21.1.8 config: https://ci.syzbot.org/builds/1c4d3398-ae52-417f-943e-84be818a07a6/config ------------[ cut here ]------------ netdev_lock_pos() could not find dev_type=824 WARNING: net/core/dev.c:527 at netdev_init_one_queue+0x1c5/0x440, CPU#1: syz-executor/6079 Modules linked in: CPU: 1 UID: 0 PID: 6079 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:netdev_init_one_queue+0x1c7/0x440 Code: bf 3f 00 00 00 e8 b9 14 74 f8 66 41 83 ff 3e 0f 87 59 01 00 00 e8 09 11 74 f8 eb 19 e8 02 11 74 f8 48 8d 3d 3b 32 82 06 89 ee <67> 48 0f b9 3a 41 bf 3e 00 00 00 4e 8d 24 fd e0 1f 90 8c 4c 89 e0 RSP: 0018:ffffc90005487020 EFLAGS: 00010293 RAX: ffffffff894e61fe RBX: ffff88816c381000 RCX: ffff8881047257c0 RDX: 0000000000000000 RSI: 0000000000000338 RDI: ffffffff8fd09440 RBP: 0000000000000338 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000000010 R11: ffffffff81ae36b0 R12: 000000000000fffe R13: dffffc0000000000 R14: 000000000000003e R15: ffffffff8c9022d8 FS: 0000555586066500(0000) GS:ffff8882a9a0f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555586079888 CR3: 000000011929a000 CR4: 00000000000006f0 Call Trace: alloc_netdev_mqs+0x937/0x11b0 rtnl_create_link+0x31f/0xd70 rtnl_newlink_create+0x277/0xb70 rtnl_newlink+0x1666/0x1be0 rtnetlink_rcv_msg+0x7d5/0xbe0 netlink_rcv_skb+0x232/0x4b0 netlink_unicast+0x80f/0x9b0 netlink_sendmsg+0x813/0xb40 __sock_sendmsg+0x21c/0x270 __sys_sendto+0x3c0/0x550 __x64_sys_sendto+0xde/0x100 do_syscall_64+0xe2/0xf80 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcc51555ed7 Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007ffe07b19fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000555586066500 RCX: 00007fcc51555ed7 RDX: 000000000000004c RSI: 00007fcc52334670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007ffe07b1a004 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 R13: 0000000000000000 R14: 00007fcc52334670 R15: 0000000000000000 *** If these findings have caused you to resend the series or submit a separate fix, please add the following tag to your commit message: Tested-by: syzbot@syzkaller.appspotmail.com --- This report is generated by a bot. It may contain errors. syzbot ci engineers can be reached at syzkaller@googlegroups.com.