From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f207.google.com (mail-il1-f207.google.com [209.85.166.207]) (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 2BFD2DDAB for ; Sat, 12 Apr 2025 10:12:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744452748; cv=none; b=He2GlG1/zcs7/6vVXhMSuBdLyLAGx61DK6az2/pMUxpZOD5egSN5wfiZDDFFe5wmy3ITtV6AJ15R+m1v473bBuqF2dAL7QY01JKVaSZA5gR0N9C1K6eLi8WaD+PdxqhYcoIGtRmraTGCzkxstkooQElu6a7ep2FGFSzx2EUCieE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744452748; c=relaxed/simple; bh=MhUEV/KLzQ00UWqF1T/ULd9J3ItGJyzd46fl6I3Qj44=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=lyPBEdo5CC6W6vXdQL0xm88HckF7u0QO3oGWHB4W6eC9LVV7pvKVaCsSBE6q/6im6cYy0mzNM8EYXxjGVv1WTxiwoBiZ5b7/mm+24X6Dv8SKV3lERfglGMZ3bZmLM8P6aHkU6n8TD+OuxTBWf+FJsRSHBWxjx59xLgAVHZ+Q1h4= 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=209.85.166.207 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-il1-f207.google.com with SMTP id e9e14a558f8ab-3d702175925so28353735ab.3 for ; Sat, 12 Apr 2025 03:12:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744452746; x=1745057546; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=yYa9pe9sUSOHSN28lPFUiX8ar13op2aDSplKzMBOR2k=; b=qSYeEvUwGDH5L3xjn9K3LTI4KB1IfXO+kNWnx5ku/08Eifh6jXL+SQiDPNTxhXBxK+ PpBEUVhEerNCLQiHX49H8WtR2I/qzyaNxVb3q+WbK55/UDG8V7uqus1WfF8wezC0Mwws gIxcJ6hRDS0lW3Gd7yIHLedKiOmBACQanUbaiNZXdBoj/yK3yZ0KS/zC2iYhCrY86NDZ X+o0blRlaLOGMNDzLXVD/3CPMrgslRju4x/vPHgBSmA0JOs+DWddjduG9V7R0fe05w+5 aj3+N0uiKDUA9Jns33Znj5rbZB8yAaX43bmMdHCxCaucsG3PEDHBGK7kBDE4BfTYZG2X vCZQ== X-Forwarded-Encrypted: i=1; AJvYcCX84Vrf9WyYnLYTF8fEyju2JUAipqJMtN2RolmHxB6z3aqIOea6391NWzeUrnWsl1sPihwz04U=@vger.kernel.org X-Gm-Message-State: AOJu0Yx+/5Aao1+ZYXJquBgCtRyMKUXO3JwJ5YEyh6KBouV+vR4gD+lx 97GJNvdNT29ZGpr8AB9Zm4wBTD4nLfqfpzAbZZa1o6q/zPTcw0UBys91xXx60trWMeNtn2gnjJD aVeMFZJe8sF8AEHDLe9zvkeP9NimhN05dTiyH367t7Qw84Kcb2RzdAEA= X-Google-Smtp-Source: AGHT+IEixtoBkzGmC63GhfcIw3kuB/LY1ED06eWgkgSMBP7PQ3yNJEeYGx2JmoZVUImCJtx1rBHQ1cqcS6VL0+5wtl4v6Fit3jds Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:3e03:b0:3cf:c9b9:3eb with SMTP id e9e14a558f8ab-3d7ec0e1659mr51769765ab.0.1744452746165; Sat, 12 Apr 2025 03:12:26 -0700 (PDT) Date: Sat, 12 Apr 2025 03:12:26 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67fa3c8a.050a0220.379d84.0009.GAE@google.com> Subject: [syzbot] [wireless?] WARNING in __ieee80211_start_scan From: syzbot To: johannes@sipsolutions.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 69ae94725f4f tipc: fix memory leak in tipc_link_xmit git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=100d8070580000 kernel config: https://syzkaller.appspot.com/x/.config?x=f2054704dd53fb80 dashboard link: https://syzkaller.appspot.com/bug?extid=33a62232cb175e2e2fa4 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/18aabd5abc54/disk-69ae9472.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/cb0ce52c96b6/vmlinux-69ae9472.xz kernel image: https://storage.googleapis.com/syzbot-assets/6e54e711975b/bzImage-69ae9472.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+33a62232cb175e2e2fa4@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 20781 at net/mac80211/scan.c:848 __ieee80211_start_scan+0x13f7/0x1ee0 net/mac80211/scan.c:848 Modules linked in: CPU: 0 UID: 0 PID: 20781 Comm: syz.6.5078 Not tainted 6.14.0-syzkaller-13311-g69ae94725f4f #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:__ieee80211_start_scan+0x13f7/0x1ee0 net/mac80211/scan.c:848 Code: eb 0b e8 cc 61 2b f6 41 be 08 00 00 00 41 83 fe 09 0f 84 63 06 00 00 e8 b7 61 2b f6 45 31 e4 e9 51 f2 ff ff e8 aa 61 2b f6 90 <0f> 0b 90 e9 0b fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ab f9 RSP: 0018:ffffc9000390f540 EFLAGS: 00010283 RAX: ffffffff8b97f596 RBX: ffff8880786c4d80 RCX: 0000000000080000 RDX: ffffc9001dba7000 RSI: 000000000000065a RDI: 000000000000065b RBP: ffffc9000390f788 R08: ffffffff8b98511e R09: 1ffff1100c07a1d3 R10: dffffc0000000000 R11: ffffed100c07a1d4 R12: ffff8880603d2978 R13: dffffc0000000000 R14: ffff8880603d2978 R15: ffffffff9368a020 FS: 00007f4f747176c0(0000) GS:ffff888124f96000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2834dd CR3: 000000004b8ec000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rdev_scan+0x155/0x300 net/wireless/rdev-ops.h:467 cfg80211_conn_scan+0xa5b/0xdc0 net/wireless/sme.c:135 cfg80211_sme_connect net/wireless/sme.c:630 [inline] cfg80211_connect+0x1790/0x20e0 net/wireless/sme.c:1525 cfg80211_mgd_wext_connect+0x470/0x5d0 net/wireless/wext-sme.c:57 cfg80211_wext_siwessid+0xc0/0x130 net/wireless/wext-compat.c:1412 ioctl_standard_iw_point+0x675/0xd30 net/wireless/wext-core.c:865 ioctl_standard_call+0xbd/0x190 net/wireless/wext-core.c:1050 wireless_process_ioctl net/wireless/wext-core.c:-1 [inline] wext_ioctl_dispatch+0xe4/0x410 net/wireless/wext-core.c:1014 wext_handle_ioctl+0x15a/0x260 net/wireless/wext-core.c:1075 sock_ioctl+0x181/0x900 net/socket.c:1243 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4f7398d169 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:00007f4f74717038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f4f73ba5fa0 RCX: 00007f4f7398d169 RDX: 0000200000000040 RSI: 0000000000008b1a RDI: 0000000000000005 RBP: 00007f4f73a0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f4f73ba5fa0 R15: 00007ffc1d008b88 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup