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AFNElJ93MXu4u2mDsSmrsVyyw7OQw7qiI3CMA9xJrCoIR54AjHfrGMsOEU9am+BaND9MaEKrArqs94N1DYSYjR0=@vger.kernel.org X-Gm-Message-State: AOJu0Yx3pQErCc5ssmPcnPBwwQL2n3krdnIRH7PMFG3BnAttsKW09qkJ 1jHUdDaDaajMuCE9emU4IglWeLOmBh4D5E3EtJLveMfUqBZoIjS/0W1REs4W6SZWW8F030lLo0E sawzFX8Fu5F1FW44SsPOn4hJEO1GSENW5t+eJO3nfNTvejfWDNjR4SkRo4eE= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:604:b0:67e:1be2:59e1 with SMTP id 006d021491bc7-69998cbca0dmr5705143eaf.18.1778200227797; Thu, 07 May 2026 17:30:27 -0700 (PDT) Date: Thu, 07 May 2026 17:30:27 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69fd2ea3.170a0220.25a3d6.0008.GAE@google.com> Subject: [syzbot] [wireless?] WARNING in wiphy_register (5) 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: 2281958e6007 Merge tag 'wireless-next-2026-05-06' of https.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=139f656a580000 kernel config: https://syzkaller.appspot.com/x/.config?x=f2b487b72ffad035 dashboard link: https://syzkaller.appspot.com/bug?extid=2002864e6c6895cb0ac3 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1452fb48580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=179f656a580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/4df17f60254b/disk-2281958e.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/1e93157edd25/vmlinux-2281958e.xz kernel image: https://storage.googleapis.com/syzbot-assets/60dbf6a0a81c/bzImage-2281958e.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2002864e6c6895cb0ac3@syzkaller.appspotmail.com ------------[ cut here ]------------ (wiphy->interface_modes & BIT(NL80211_IFTYPE_NAN_DATA)) && (!wiphy->nan_capa.phy.ht.ht_supported || wiphy->n_radio > 1) WARNING: net/wireless/core.c:885 at wiphy_register+0x58a/0x2fe0 net/wireless/core.c:884, CPU#0: syz.0.17/5835 Modules linked in: CPU: 0 UID: 0 PID: 5835 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:wiphy_register+0x58a/0x2fe0 net/wireless/core.c:884 Code: 00 00 e8 49 8f d4 f6 90 0f 0b 90 e9 67 0a 00 00 e8 3b 8f d4 f6 e9 59 0a 00 00 e8 31 8f d4 f6 e9 eb 00 00 00 e8 27 8f d4 f6 90 <0f> 0b 90 e9 45 0a 00 00 44 89 f8 24 06 0f b6 d8 31 ff 89 de e8 0d RSP: 0018:ffffc90003236860 EFLAGS: 00010293 RAX: ffffffff8af13fe2 RBX: 0000000000000004 RCX: ffff88802ed60000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 RBP: ffffc900032369f0 R08: ffff8880582b0faf R09: 1ffff1100b0561f5 R10: dffffc0000000000 R11: ffffed100b0561f6 R12: ffff8880582b0740 R13: dffffc0000000000 R14: ffffffff8d002990 R15: ffff8880582b0804 FS: 0000555593855500(0000) GS:ffff888125289000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007eff2e872700 CR3: 0000000075672000 CR4: 00000000003526f0 Call Trace: ieee80211_register_hw+0x3c53/0x4910 net/mac80211/main.c:1627 mac80211_hwsim_new_radio+0x3327/0x57e0 drivers/net/wireless/virtual/mac80211_hwsim_main.c:6047 hwsim_new_radio_nl+0xe20/0x26e0 drivers/net/wireless/virtual/mac80211_hwsim_main.c:6832 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:2551 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1895 sock_sendmsg_nosec net/socket.c:787 [inline] __sock_sendmsg net/socket.c:802 [inline] ____sys_sendmsg+0x972/0x9f0 net/socket.c:2698 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2752 __sys_sendmsg net/socket.c:2784 [inline] __do_sys_sendmsg net/socket.c:2789 [inline] __se_sys_sendmsg net/socket.c:2787 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7eff2e99cdd9 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:00007ffd72c5edf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007eff2ec15fa0 RCX: 00007eff2e99cdd9 RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000003 RBP: 00007eff2ea32d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007eff2ec15fac R14: 00007eff2ec15fa0 R15: 00007eff2ec15fa0 --- 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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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