Hello, syzbot found the following issue on: HEAD commit: ff202c5028a1 Merge tag 'soc-fixes-6.14' of git://git.kerne.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12d447a4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=aca5947365998f67 dashboard link: https://syzkaller.appspot.com/bug?extid=5a7b40bcb34dea5ca959 compiler: Debian clang version 15.0.6, 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: https://storage.googleapis.com/syzbot-assets/788b15dfbf95/disk-ff202c50.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/48f236cd3e71/vmlinux-ff202c50.xz kernel image: https://storage.googleapis.com/syzbot-assets/b92116dbc946/bzImage-ff202c50.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5a7b40bcb34dea5ca959@xxxxxxxxxxxxxxxxxxxxxxxxx cfg80211_wiphy_work+0x396/0x860 net/wireless/core.c:435 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xc1a/0x1e80 kernel/workqueue.c:3317 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3398 kthread+0x6b9/0xef0 kernel/kthread.c:464 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> ---[ end trace 0000000000000000 ]--- ===================================================== BUG: KMSAN: uninit-value in cfg80211_tx_mlme_mgmt+0x155/0x300 net/wireless/mlme.c:226 cfg80211_tx_mlme_mgmt+0x155/0x300 net/wireless/mlme.c:226 ieee80211_report_disconnect net/mac80211/mlme.c:4238 [inline] ieee80211_sta_connection_lost+0xfa/0x150 net/mac80211/mlme.c:7811 ieee80211_sta_work+0x1dea/0x4ef0 ieee80211_iface_work+0x1900/0x1970 net/mac80211/iface.c:1684 cfg80211_wiphy_work+0x396/0x860 net/wireless/core.c:435 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xc1a/0x1e80 kernel/workqueue.c:3317 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3398 kthread+0x6b9/0xef0 kernel/kthread.c:464 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Local variable frame_buf created at: ieee80211_sta_connection_lost+0x43/0x150 net/mac80211/mlme.c:7806 ieee80211_sta_work+0x1dea/0x4ef0 CPU: 1 UID: 0 PID: 4086 Comm: kworker/u8:16 Tainted: G W 6.14.0-rc3-syzkaller-00267-gff202c5028a1 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: events_unbound cfg80211_wiphy_work ===================================================== --- 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
