device vlan2 entered promiscuous mode device bridge0 entered promiscuous mode ------------[ cut here ]------------ WARNING: CPU: 1 PID: 11105 at net/mac80211/chan.c:2017 ieee80211_link_release_channel+0x150/0x180 net/mac80211/chan.c:2017 Modules linked in: CPU: 1 PID: 11105 Comm: syz.4.2005 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 RIP: 0010:ieee80211_link_release_channel+0x150/0x180 net/mac80211/chan.c:2017 Code: 7c 2d 00 00 74 08 48 89 df e8 1c 0c 11 f8 bf 18 1e 00 00 48 03 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 35 4c 81 00 e8 10 b0 bf f7 <0f> 0b eb c5 48 c7 c1 a4 14 23 8f 80 e1 07 80 c1 03 38 c1 0f 8c 51 RSP: 0018:ffffc9000db9f188 EFLAGS: 00010287 RAX: ffffffff89c29670 RBX: ffff88807be4d5a8 RCX: 0000000000080000 RDX: ffffc9000ea1a000 RSI: 0000000000072e34 RDI: 0000000000072e35 RBP: 0000000000000000 R08: ffffffff8f22dfef R09: 1ffffffff1e45bfd R10: dffffc0000000000 R11: fffffbfff1e45bfe R12: ffff88807be4eab0 R13: 1ffff1100f7c9ab5 R14: ffff88807be4e228 R15: dffffc0000000000 FS: 00007f13fbeec6c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f770d103939 CR3: 000000007bfab000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unregister_netdevice_many_notify+0x13c4/0x1990 net/core/dev.c:11042 unregister_netdevice_many net/core/dev.c:11078 [inline] unregister_netdevice_queue+0x2e5/0x330 net/core/dev.c:10961 unregister_netdevice include/linux/netdevice.h:3080 [inline] _cfg80211_unregister_wdev+0x179/0x590 net/wireless/core.c:1213 ieee80211_if_remove+0x1ad/0x2b0 net/mac80211/iface.c:2370 ieee80211_del_iface+0x15/0x20 net/mac80211/cfg.c:202 rdev_del_virtual_intf net/wireless/rdev-ops.h:62 [inline] cfg80211_remove_virtual_intf+0x23a/0x440 net/wireless/util.c:2654 genl_family_rcv_msg_doit+0x22f/0x350 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x601/0x790 net/netlink/genetlink.c:850 netlink_rcv_skb+0x1ef/0x440 net/netlink/af_netlink.c:2516 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x7ad/0x920 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x8ad/0xbd0 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5ed/0x9a0 net/socket.c:2519 ___sys_sendmsg+0x2a2/0x360 net/socket.c:2573 __sys_sendmsg net/socket.c:2602 [inline] __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg+0x1c3/0x2b0 net/socket.c:2609 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f13faf9f559 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:00007f13fbeec028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f13fb226090 RCX: 00007f13faf9f559 RDX: 0000000000000000 RSI: 0000200000001680 RDI: 000000000000000e RBP: 00007f13fb036b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f13fb226128 R14: 00007f13fb226090 R15: 00007ffd02004cb8