From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f79.google.com (mail-io1-f79.google.com [209.85.166.79]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 78975645 for ; Tue, 13 May 2025 04:37:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.79 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747111055; cv=none; b=Rw1zjr04/sTraRmZ5ItQuvH7/IzVUth2rgYowi5oYEqayj8eNTnItFMdl2wswwBotrRV7PZxjEu7WOqZYMPbiALaqr43Q7urewD2lTl8/YtczdnYwetrE4syn2goC6IU5OjO5kkfC7c6aXBrMi+gL4tkNqaNnKHUa1p4TGj79n4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747111055; c=relaxed/simple; bh=QKhxlMJf9DwcDasJT9MxJxi2H37PpU+ef3sypRqtMlM=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=R9/8gjS3PE6T3qzosKlyb3uZX+8QyGRG4chGqZXLreNVNCU9Qn6R2SQgasMQdp3dSJv5+1zw5/U8mlErRxa4N7JFLLjOruvvKDY9yVg9zizRSHKpSWs1cVJm8yOlla3nHmDUq/6GxsK67OHlg7dZsg4ysAVbi0JduvpB8flcQW0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.79 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f79.google.com with SMTP id ca18e2360f4ac-85b3b781313so991674039f.1 for ; Mon, 12 May 2025 21:37:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1747111052; x=1747715852; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=HerpZjjRvJPDZiVjyr+jH4mDrVVxRA8dJ6nQxvYN7yQ=; b=QdPo2J1jH/aK8uBBX3NwNJzG1jiq8oaaLo7A3vKZ6In2MXE8YnkdukO1OLwYGFxNHY k0/Y2+FCc4b/7sIwHbD+tmi84ilFQIgjSvpbzimx2cLlFVfScgLi6KRCEHTckSjbhYoI rDmYg4Rd95m7eYACdL7hXJn9/cQKzz2NFJPUBx0n9iCshH/XfPw0pZ9U4w62W2lvvm9i TdqPYKf6D1KJ2RIyZMiQ0xJ+IDDcvuq7AbsGicZy909e42LE0IlDB+oMl7FZznjBJo30 DXWVKpwjgubKPfDAEuS4XtEn49X58/ET2ETQf7U2TIyGfqvKlpHGy+cNhCo0+F898M6q ASbA== X-Forwarded-Encrypted: i=1; AJvYcCWpiZD0t6hX2HR8vxfRcA4evR/bYO2hw7bXxnHR6mVPTgpz1tOpK4qG6fAPz+JXlC2EaIhuqE0=@vger.kernel.org X-Gm-Message-State: AOJu0YyYnyDnhTYk8KgTsHin11XczXEOMyBsgmxO/1rnOtpCS/79tV1u wSocpNW1iQIESzTp8XdeBn1FK5AsI5t76ySJyzLpSw1FjyUHtApK6JWcz4sy7mYFKZHDBdWGAXU wTrt6jpExxNIrMRtO7KigjTMYoG/GZf4LaqcewXYZXsXDvqb/nL3Gjlg= X-Google-Smtp-Source: AGHT+IF4tMY+pPPj6hdS7OW+dMmVK6vEG6jfSwPOLSBcQ3udOfnpkmA8nbX+dGOeGEv0p/v5mup1L6s21CbnZQZEymE3icvtBWWE Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:218a:b0:3d8:20f0:4006 with SMTP id e9e14a558f8ab-3da7e1e60a7mr156472475ab.4.1747111041909; Mon, 12 May 2025 21:37:21 -0700 (PDT) Date: Mon, 12 May 2025 21:37:21 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6822cc81.050a0220.f2294.00e8.GAE@google.com> Subject: [syzbot] [net?] BUG: sleeping function called from invalid context in dev_set_promiscuity From: syzbot To: davem@davemloft.net, edumazet@google.com, horms@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 82f2b0b97b36 Linux 6.15-rc6 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=173c62f4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=1e4dff0626333635 dashboard link: https://syzkaller.appspot.com/bug?extid=53485086a41dbb43270a compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/900b6a747850/disk-82f2b0b9.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/1d41ddb74da5/vmlinux-82f2b0b9.xz kernel image: https://storage.googleapis.com/syzbot-assets/eb555785f64f/bzImage-82f2b0b9.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+53485086a41dbb43270a@syzkaller.appspotmail.com team0 (unregistering): left promiscuous mode team_slave_0: left promiscuous mode team_slave_1: left promiscuous mode bond0: left promiscuous mode bond_slave_0: left promiscuous mode bond_slave_1: left promiscuous mode BUG: sleeping function called from invalid context at kernel/locking/mutex.c:578 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 14644, name: syz.2.10383 preempt_count: 0, expected: 0 RCU nest depth: 1, expected: 0 2 locks held by syz.2.10383/14644: #0: ffffffff8f2f6d08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #0: ffffffff8f2f6d08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f2f6d08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x331/0x710 net/core/rtnetlink.c:3556 #1: ffffffff8df3d860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #1: ffffffff8df3d860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #1: ffffffff8df3d860 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x29/0x330 drivers/net/team/team_core.c:1781 CPU: 1 UID: 0 PID: 14644 Comm: syz.2.10383 Not tainted 6.15.0-rc6-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 __might_resched+0x495/0x610 kernel/sched/core.c:8818 __mutex_lock_common kernel/locking/mutex.c:578 [inline] __mutex_lock+0x106/0xe80 kernel/locking/mutex.c:746 netdev_lock include/linux/netdevice.h:2751 [inline] netdev_lock_ops include/net/netdev_lock.h:42 [inline] dev_set_promiscuity+0x10e/0x260 net/core/dev_api.c:285 bond_set_promiscuity drivers/net/bonding/bond_main.c:922 [inline] bond_change_rx_flags+0x219/0x690 drivers/net/bonding/bond_main.c:4732 dev_change_rx_flags net/core/dev.c:9145 [inline] __dev_set_promiscuity+0x3f5/0x590 net/core/dev.c:9189 netif_set_promiscuity+0x50/0xe0 net/core/dev.c:9201 dev_set_promiscuity+0x126/0x260 net/core/dev_api.c:286 team_change_rx_flags+0x1b3/0x330 drivers/net/team/team_core.c:1785 dev_change_rx_flags net/core/dev.c:9145 [inline] __dev_set_promiscuity+0x3f5/0x590 net/core/dev.c:9189 netif_set_promiscuity+0x50/0xe0 net/core/dev.c:9201 dev_set_promiscuity+0x126/0x260 net/core/dev_api.c:286 hsr_del_port+0x25e/0x2d0 net/hsr/hsr_slave.c:233 hsr_netdev_notify+0x827/0xb60 net/hsr/hsr_main.c:104 notifier_call_chain+0x1b3/0x3e0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2214 [inline] call_netdevice_notifiers net/core/dev.c:2228 [inline] unregister_netdevice_many_notify+0x15d8/0x2330 net/core/dev.c:11970 rtnl_delete_link net/core/rtnetlink.c:3522 [inline] rtnl_dellink+0x488/0x710 net/core/rtnetlink.c:3564 rtnetlink_rcv_msg+0x7cc/0xb70 net/core/rtnetlink.c:6955 netlink_rcv_skb+0x219/0x490 net/netlink/af_netlink.c:2534 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x758/0x8d0 net/netlink/af_netlink.c:1339 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:727 ____sys_sendmsg+0x505/0x830 net/socket.c:2566 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620 __sys_sendmsg net/socket.c:2652 [inline] __do_sys_sendmsg net/socket.c:2657 [inline] __se_sys_sendmsg net/socket.c:2655 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8a8538e969 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:00007f8a8298f038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8a855b6320 RCX: 00007f8a8538e969 RDX: 0000000000000000 RSI: 0000200000000200 RDI: 0000000000000008 RBP: 00007f8a85410ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f8a855b6320 R15: 00007f8a856dfa28 ============================= [ BUG: Invalid wait context ] 6.15.0-rc6-syzkaller #0 Tainted: G W ----------------------------- syz.2.10383/14644 is trying to lock: ffff88805b68cd30 (&dev_instance_lock_key#20){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2751 [inline] ffff88805b68cd30 (&dev_instance_lock_key#20){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline] ffff88805b68cd30 (&dev_instance_lock_key#20){+.+.}-{4:4}, at: dev_set_promiscuity+0x10e/0x260 net/core/dev_api.c:285 other info that might help us debug this: context-{5:5} 2 locks held by syz.2.10383/14644: #0: ffffffff8f2f6d08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline] #0: ffffffff8f2f6d08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline] #0: ffffffff8f2f6d08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_dellink+0x331/0x710 net/core/rtnetlink.c:3556 #1: ffffffff8df3d860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #1: ffffffff8df3d860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #1: ffffffff8df3d860 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x29/0x330 drivers/net/team/team_core.c:1781 stack backtrace: CPU: 1 UID: 0 PID: 14644 Comm: syz.2.10383 Tainted: G W 6.15.0-rc6-syzkaller #0 PREEMPT(full) Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 print_lock_invalid_wait_context kernel/locking/lockdep.c:4831 [inline] check_wait_context kernel/locking/lockdep.c:4903 [inline] __lock_acquire+0xbcf/0xd20 kernel/locking/lockdep.c:5185 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5866 __mutex_lock_common kernel/locking/mutex.c:601 [inline] __mutex_lock+0x182/0xe80 kernel/locking/mutex.c:746 netdev_lock include/linux/netdevice.h:2751 [inline] netdev_lock_ops include/net/netdev_lock.h:42 [inline] dev_set_promiscuity+0x10e/0x260 net/core/dev_api.c:285 bond_set_promiscuity drivers/net/bonding/bond_main.c:922 [inline] bond_change_rx_flags+0x219/0x690 drivers/net/bonding/bond_main.c:4732 dev_change_rx_flags net/core/dev.c:9145 [inline] __dev_set_promiscuity+0x3f5/0x590 net/core/dev.c:9189 netif_set_promiscuity+0x50/0xe0 net/core/dev.c:9201 dev_set_promiscuity+0x126/0x260 net/core/dev_api.c:286 team_change_rx_flags+0x1b3/0x330 drivers/net/team/team_core.c:1785 dev_change_rx_flags net/core/dev.c:9145 [inline] __dev_set_promiscuity+0x3f5/0x590 net/core/dev.c:9189 netif_set_promiscuity+0x50/0xe0 net/core/dev.c:9201 dev_set_promiscuity+0x126/0x260 net/core/dev_api.c:286 hsr_del_port+0x25e/0x2d0 net/hsr/hsr_slave.c:233 hsr_netdev_notify+0x827/0xb60 net/hsr/hsr_main.c:104 notifier_call_chain+0x1b3/0x3e0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2214 [inline] call_netdevice_notifiers net/core/dev.c:2228 [inline] unregister_netdevice_many_notify+0x15d8/0x2330 net/core/dev.c:11970 rtnl_delete_link net/core/rtnetlink.c:3522 [inline] rtnl_dellink+0x488/0x710 net/core/rtnetlink.c:3564 rtnetlink_rcv_msg+0x7cc/0xb70 net/core/rtnetlink.c:6955 netlink_rcv_skb+0x219/0x490 net/netlink/af_netlink.c:2534 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x758/0x8d0 net/netlink/af_netlink.c:1339 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:727 ____sys_sendmsg+0x505/0x830 net/socket.c:2566 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620 __sys_sendmsg net/socket.c:2652 [inline] __do_sys_sendmsg net/socket.c:2657 [inline] __se_sys_sendmsg net/socket.c:2655 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8a8538e969 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:00007f8a8298f038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8a855b6320 RCX: 00007f8a8538e969 RDX: 0000000000000000 RSI: 0000200000000200 RDI: 0000000000000008 RBP: 00007f8a85410ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f8a855b6320 R15: 00007f8a856dfa28 netdevsim netdevsim2 netdevsim0: left promiscuous mode team0 (unregistering): Port device team_slave_0 removed team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device bond0 removed --- This report is generated by a bot. 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