Hello, syzbot found the following issue on: HEAD commit: 63676eefb7a0 Merge tag 'sched_ext-for-6.13-rc5-fixes' of g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17e98edf980000 kernel config: https://syzkaller.appspot.com/x/.config?x=86dd15278dbfe19f dashboard link: https://syzkaller.appspot.com/bug?extid=1634c5399e29d8b66789 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-63676eef.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/efc20deb6462/vmlinux-63676eef.xz kernel image: https://storage.googleapis.com/syzbot-assets/b916a2c594d7/bzImage-63676eef.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+1634c5399e29d8b66789@xxxxxxxxxxxxxxxxxxxxxxxxx wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) ------------[ cut here ]------------ WARNING: CPU: 2 PID: 94 at net/mac80211/scan.c:1213 ieee80211_request_ibss_scan+0x7b8/0x9a0 net/mac80211/scan.c:1213 Modules linked in: CPU: 2 UID: 0 PID: 94 Comm: kworker/u32:5 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:ieee80211_request_ibss_scan+0x7b8/0x9a0 net/mac80211/scan.c:1213 Code: e9 3b fb ff ff e8 08 ce 08 f7 be 04 00 00 00 bf 06 00 00 00 41 bd 04 00 00 00 e8 33 d0 08 f7 e9 3b fd ff ff e8 e9 cd 08 f7 90 <0f> 0b 90 bb ea ff ff ff e9 6e fc ff ff 48 c7 c7 d4 1a 1d 90 e8 ef RSP: 0018:ffffc900010af988 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8a908130 RDX: ffff88801f83a440 RSI: ffffffff8a9081c7 RDI: 0000000000000005 RBP: ffff888064659720 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000005 R13: 0000000000000006 R14: dffffc0000000000 R15: ffff88804ff70e40 FS: 0000000000000000(0000) GS:ffff88802b600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002f61bffc CR3: 000000001e3c2000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> ieee80211_sta_merge_ibss net/mac80211/ibss.c:1290 [inline] ieee80211_ibss_work+0x83b/0x14c0 net/mac80211/ibss.c:1672 ieee80211_iface_work+0xd01/0xf00 net/mac80211/iface.c:1689 cfg80211_wiphy_work+0x3de/0x560 net/wireless/core.c:440 process_one_work+0x958/0x1b30 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </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
