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AJvYcCWZ2l3GFvnG/mViuPlsXGYrIsZQgWTmE2kWUZpBqLwjzS7C8C5xIM9rzFinZ+fMY9qa6XFefdtX0Qjd6hkGRg==@vger.kernel.org X-Gm-Message-State: AOJu0YxPp8VaEa6RHcnT2zK/V20mkyulsmF1hPqvyxSuv/Sw0FURtHZ/ 84sOexH5BZMPGLJoQQzvmrHalzT/wo5EMyZl7b45NccZVKCcT1IG/+apoQgXKe2qhLuqEXKX8M5 YOVI0ebbo60y38AoyDjZQ0VdgobQNTTK8rJsnT1J5Rf4dKHyTlDHwZvStpCE= Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:207:b0:67b:aa33:4086 with SMTP id 006d021491bc7-67bda9bf9d2mr1684336eaf.18.1773391517898; Fri, 13 Mar 2026 01:45:17 -0700 (PDT) Date: Fri, 13 Mar 2026 01:45:17 -0700 In-Reply-To: <20260312045804.362974-1-lachlan.hodges@morsemicro.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69b3ce9d.050a0220.12d28.010d.GAE@google.com> Subject: [syzbot ci] Re: misc chandef cleanups From: syzbot ci To: arien.judge@morsemicro.com, johannes@sipsolutions.net, lachlan.hodges@morsemicro.com, linux-wireless@vger.kernel.org Cc: syzbot@lists.linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot ci has tested the following series [v3] misc chandef cleanups https://lore.kernel.org/all/20260312045804.362974-1-lachlan.hodges@morsemicro.com * [PATCH wireless-next v3 1/3] wifi: mac80211: don't use cfg80211_chandef_create() for default chandef * [PATCH wireless-next v3 2/3] wifi: cfg80211: restrict cfg80211_chandef_create() to only HT-based bands * [PATCH wireless-next v3 3/3] wifi: cfg80211: check non-S1G width with S1G chandef and found the following issue: WARNING in cfg80211_chandef_create Full report is available here: https://ci.syzbot.org/series/ce6fc7d6-d8d4-4d00-a746-db78cba13e47 *** WARNING in cfg80211_chandef_create tree: torvalds URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux base: 80234b5ab240f52fa45d201e899e207b9265ef91 arch: amd64 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 config: https://ci.syzbot.org/builds/0a18d006-45de-4bb2-a6e2-2cbb788bd2f5/config C repro: https://ci.syzbot.org/findings/c279480a-56a9-4a59-b533-0033d65eca62/c_repro syz repro: https://ci.syzbot.org/findings/c279480a-56a9-4a59-b533-0033d65eca62/syz_repro netlink: 8 bytes leftover after parsing attributes in process `syz.0.17'. ------------[ cut here ]------------ chan->band == NL80211_BAND_60GHZ || chan->band == NL80211_BAND_S1GHZ WARNING: net/wireless/chan.c:35 at cfg80211_chandef_create+0x99/0x3d0 net/wireless/chan.c:34, CPU#1: syz.0.17/5951 Modules linked in: CPU: 1 UID: 0 PID: 5951 Comm: syz.0.17 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:cfg80211_chandef_create+0x99/0x3d0 net/wireless/chan.c:34 Code: 8b 26 4c 89 e7 48 c7 c6 40 d6 e3 8f e8 a0 7d bd f6 49 83 fc 04 74 0d 41 83 fc 02 75 12 e8 0f 78 bd f6 eb 05 e8 08 78 bd f6 90 <0f> 0b 90 eb 05 e8 fd 77 bd f6 89 ef 48 c7 c6 60 d6 e3 8f e8 6f 7d RSP: 0018:ffffc900054fef78 EFLAGS: 00010293 RAX: ffffffff8b0825a8 RBX: ffffc900054ff0e0 RCX: ffff888112b5ba80 RDX: 0000000000000000 RSI: ffffffff8fe3d640 RDI: 0000000000000004 RBP: 0000000000000002 R08: ffff888112b5ba80 R09: 0000000000000002 R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000004 R13: dffffc0000000000 R14: ffff888111c65998 R15: ffffc900054ff0e8 FS: 000055558dcaa500(0000) GS:ffff8882a9463000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f14d1588095 CR3: 000000010668a000 CR4: 00000000000006f0 Call Trace: _nl80211_parse_chandef+0x438/0x1160 net/wireless/nl80211.c:3616 __nl80211_set_channel+0x1fe/0x850 net/wireless/nl80211.c:3736 nl80211_set_wiphy+0x116b/0x2fa0 net/wireless/nl80211.c:-1 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] ____sys_sendmsg+0x972/0x9f0 net/socket.c:2592 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2646 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2683 [inline] __se_sys_sendmsg net/socket.c:2681 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2681 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0ea239c799 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe7ad20a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f0ea2615fa0 RCX: 00007f0ea239c799 RDX: 0000000000000000 RSI: 0000200000000040 RDI: 0000000000000003 RBP: 00007f0ea2432bd9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0ea2615fac R14: 00007f0ea2615fa0 R15: 00007f0ea2615fa0 *** 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.