------------[ cut here ]------------ WARNING: CPU: 1 PID: 3652 at net/mac80211/chan.c:2022 ieee80211_link_release_channel+0x154/0x180 net/mac80211/chan.c:2022 Modules linked in: CPU: 1 PID: 3652 Comm: syz.3.9371 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:ieee80211_link_release_channel+0x154/0x180 net/mac80211/chan.c:2022 Code: 7c 2d 00 00 74 08 48 89 df e8 f8 fa ca f7 bf 60 1e 00 00 48 03 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 11 38 86 00 e8 ac 19 72 f7 <0f> 0b eb c5 48 c7 c1 ac 8f 6c 8f 80 e1 07 80 c1 03 38 c1 0f 8c 51 RSP: 0000:ffffc9000bc47108 EFLAGS: 00010283 RAX: ffffffff8a157704 RBX: ffff88801f3a9618 RCX: 0000000000080000 RDX: ffffc9000d1fb000 RSI: 0000000000044e01 RDI: 0000000000044e02 RBP: 0000000000000000 R08: ffffffff8f6c5aef R09: 1ffffffff1ed8b5d R10: dffffc0000000000 R11: fffffbfff1ed8b5e R12: ffff88801f3aac88 R13: 1ffff11003e752c3 R14: ffff88801f3aa440 R15: dffffc0000000000 FS: 00007f2b0fb9f6c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2dc1dff8 CR3: 000000007a6c0000 CR4: 00000000003506e0 DR0: 0000000000010000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: unregister_netdevice_many_notify+0x1357/0x1910 net/core/dev.c:11200 unregister_netdevice_many net/core/dev.c:11236 [inline] unregister_netdevice_queue+0x2e9/0x330 net/core/dev.c:11116 unregister_netdevice include/linux/netdevice.h:3194 [inline] _cfg80211_unregister_wdev+0x16d/0x580 net/wireless/core.c:1217 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:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x7b1/0x930 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1899 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: 0033:0x7f2b0ed9e199 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:00007f2b0fb9f028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f2b0f025fa0 RCX: 00007f2b0ed9e199 RDX: 0000000000000000 RSI: 0000200000000540 RDI: 0000000000000003 RBP: 00007f2b0ee35888 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2b0f026038 R14: 00007f2b0f025fa0 R15: 00007ffd3875d928