Hello, syzbot found the following issue on: HEAD commit: 5cdb2c77c4c3 Merge tag 'net-6.15-rc8' of git://git.kernel... git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=14784df4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=9fd1c9848687d742 dashboard link: https://syzkaller.appspot.com/bug?extid=0d516b33238bd97ee864 compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/d90a868e19ee/disk-5cdb2c77.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/3c5ff2a5a972/vmlinux-5cdb2c77.xz kernel image: https://storage.googleapis.com/syzbot-assets/f6a0db04ca42/bzImage-5cdb2c77.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0d516b33238bd97ee864@xxxxxxxxxxxxxxxxxxxxxxxxx wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 ------------[ cut here ]------------ wlan1: Dropped data frame as no usable bitrate found while scanning and associated. Target station: 08:02:11:00:00:00 on 5 GHz band WARNING: CPU: 1 PID: 1111 at net/mac80211/tx.c:756 ieee80211_tx_h_rate_ctrl+0xc87/0x1780 net/mac80211/tx.c:749 Modules linked in: CPU: 1 UID: 0 PID: 1111 Comm: kworker/u8:6 Not tainted 6.15.0-rc7-syzkaller-00082-g5cdb2c77c4c3 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:ieee80211_tx_h_rate_ctrl+0xc87/0x1780 net/mac80211/tx.c:749 Code: 31 f6 83 e6 07 41 0f 95 c6 31 ff e8 03 26 ea f6 43 8d 0c 76 83 c1 02 48 c7 c7 60 8b 8c 8c 48 89 de 4c 89 fa e8 3a 7e ae f6 90 <0f> 0b 90 90 41 bf 01 00 00 00 e9 eb 02 00 00 e8 95 21 ea f6 e9 6a RSP: 0018:ffffc90003c9f460 EFLAGS: 00010246 RAX: caae12da654acc00 RBX: ffff888078a69738 RCX: ffff888026951e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: ffffc90003c9f5d0 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bba984 R12: dffffc0000000000 R13: ffffc90003c9f788 R14: 0000000000000001 R15: ffff888059534d44 FS: 0000000000000000(0000) GS:ffff8881261c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557d9f3588 CR3: 0000000031484000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> invoke_tx_handlers_late+0xb6/0x1820 net/mac80211/tx.c:1850 ieee80211_tx+0x2ac/0x420 net/mac80211/tx.c:1971 __ieee80211_tx_skb_tid_band+0x50f/0x680 net/mac80211/tx.c:6107 ieee80211_tx_skb_tid_band net/mac80211/ieee80211_i.h:2338 [inline] ieee80211_send_scan_probe_req net/mac80211/scan.c:655 [inline] ieee80211_scan_state_send_probe+0x59a/0xa10 net/mac80211/scan.c:683 ieee80211_scan_work+0x5b1/0x1ce0 net/mac80211/scan.c:1143 cfg80211_wiphy_work+0x2dc/0x460 net/wireless/core.c:435 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 </TASK> --- 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@xxxxxxxxxxxxxxxx. 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
