------------[ cut here ]------------ WARNING: CPU: 0 PID: 14934 at net/mac80211/chan.c:2043 ieee80211_link_release_channel+0x154/0x180 net/mac80211/chan.c:2043 Modules linked in: CPU: 0 PID: 14934 Comm: syz.7.2202 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 RIP: 0010:ieee80211_link_release_channel+0x154/0x180 net/mac80211/chan.c:2043 Code: 7c 2d 00 00 74 08 48 89 df e8 d8 e1 c6 f7 bf 60 1e 00 00 48 03 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 31 77 86 00 e8 0c d9 6d f7 <0f> 0b eb c5 48 c7 c1 3c 0f 8e 8f 80 e1 07 80 c1 03 38 c1 0f 8c 51 RSP: 0018:ffffc9000b9270c8 EFLAGS: 00010246 RAX: ffffffff8a1a0594 RBX: ffff8880603215f8 RCX: 0000000000080000 RDX: ffffc90018801000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: 0000000000000000 R08: ffffffff8f8dda6f R09: 1ffffffff1f1bb4d R10: dffffc0000000000 R11: fffffbfff1f1bb4e R12: ffff888060322c68 R13: 1ffff1100c0642bf R14: ffff888060322420 R15: dffffc0000000000 FS: 00007f40ba7ca6c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4af6a27dac CR3: 00000000314d5000 CR4: 00000000003506f0 Call Trace: unregister_netdevice_many_notify+0x1357/0x1910 net/core/dev.c:11245 unregister_netdevice_many net/core/dev.c:11281 [inline] unregister_netdevice_queue+0x2e9/0x330 net/core/dev.c:11161 unregister_netdevice include/linux/netdevice.h:3198 [inline] _cfg80211_unregister_wdev+0x16c/0x5a0 net/wireless/core.c:1245 ieee80211_if_remove+0x1b1/0x2b0 net/mac80211/iface.c:2335 ieee80211_del_iface+0x19/0x20 net/mac80211/cfg.c:202 rdev_del_virtual_intf net/wireless/rdev-ops.h:62 [inline] cfg80211_remove_virtual_intf+0x21b/0x3b0 net/wireless/util.c:2774 genl_family_rcv_msg_doit+0x21a/0x310 net/netlink/genetlink.c:971 genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline] genl_rcv_msg+0x611/0x7a0 net/netlink/genetlink.c:1066 netlink_rcv_skb+0x235/0x4c0 net/netlink/af_netlink.c:2554 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x856/0x9e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1903 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x61b/0x980 net/socket.c:2595 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2649 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2687 [inline] __se_sys_sendmsg+0x1d0/0x2c0 net/socket.c:2685 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f40b999fb19 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:00007f40ba7ca028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f40b9c25fa0 RCX: 00007f40b999fb19 RDX: 0000000000000000 RSI: 0000200000000540 RDI: 0000000000000003 RBP: 00007f40b9a37b70 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40b9c26038 R14: 00007f40b9c25fa0 R15: 00007ffc915c50f8