Hello, syzbot found the following issue on: HEAD commit: a729b8e6 Merge branch 'fixes-for-yt8511-phy-driver' git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=17bbd313d00000 kernel config: https://syzkaller.appspot.com/x/.config?x=52fb5f4163b9aa88 dashboard link: https://syzkaller.appspot.com/bug?extid=c299bc8bf2c766623e9c Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c299bc8bf2c766623e9c@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ WARNING: CPU: 1 PID: 22187 at net/mac80211/chan.c:1830 ieee80211_vif_release_channel+0x1ad/0x220 net/mac80211/chan.c:1830 Modules linked in: CPU: 1 PID: 22187 Comm: syz-executor.4 Not tainted 5.13.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ieee80211_vif_release_channel+0x1ad/0x220 net/mac80211/chan.c:1830 Code: c1 ea 03 80 3c 02 00 0f 85 82 00 00 00 48 8b ab 48 06 00 00 e9 60 ff ff ff e8 6f b1 fa f8 0f 0b e9 e2 fe ff ff e8 63 b1 fa f8 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 80 3c 02 RSP: 0018:ffffc9000a837050 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88802739cc00 RCX: ffffc90012325000 RDX: 0000000000040000 RSI: ffffffff887a2b1d RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff887a2adc R11: 0000000000000000 R12: ffff88802739d248 R13: 0000000000000001 R14: 00000000fffffff4 R15: 0000000000000000 FS: 00007fe9d16b1700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6c71cee000 CR3: 0000000077555000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_start_ap+0x18ed/0x24e0 net/mac80211/cfg.c:1200 rdev_start_ap net/wireless/rdev-ops.h:158 [inline] nl80211_start_ap+0x1c17/0x2920 net/wireless/nl80211.c:5515 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2504 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1340 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1929 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:674 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350 ___sys_sendmsg+0xf3/0x170 net/socket.c:2404 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe9d16b1188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 00007fe9d16b11d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe90e7d1bf R14: 00007fe9d16b1300 R15: 0000000000022000 --- 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.
