------------[ cut here ]------------ WARNING: CPU: 1 PID: 8630 at net/mac80211/chan.c:2022 ieee80211_link_release_channel+0x154/0x180 net/mac80211/chan.c:2022 Modules linked in: CPU: 1 PID: 8630 Comm: syz.0.940 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 48 3e cc f7 bf 60 1e 00 00 48 03 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 01 14 86 00 e8 0c b2 73 f7 <0f> 0b eb c5 48 c7 c1 2c 66 8c 8e 80 e1 07 80 c1 03 38 c1 0f 8c 51 RSP: 0018:ffffc9000f1871f0 EFLAGS: 00010283 RAX: ffffffff8a13d944 RBX: ffff88805d6f1618 RCX: 0000000000080000 RDX: ffffc9000ba61000 RSI: 0000000000019125 RDI: 0000000000019126 RBP: 0000000000000000 R08: ffffffff8e8c316f R09: 1ffffffff1d1862d R10: dffffc0000000000 R11: fffffbfff1d1862e R12: ffff88805d6f2c88 R13: 1ffff1100bade2c3 R14: ffff88805d6f2440 R15: dffffc0000000000 FS: 00007ff0df8366c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c350df6 CR3: 0000000060713000 CR4: 00000000003506e0 Call Trace: ieee80211_teardown_sdata net/mac80211/iface.c:859 [inline] ieee80211_if_change_type+0x20b/0xaa0 net/mac80211/iface.c:1976 ieee80211_change_iface+0x5c/0x4c0 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x786/0xe20 net/wireless/util.c:1219 nl80211_set_interface+0x609/0x860 net/wireless/nl80211.c:4263 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: 0033:0x7ff0de99e159 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:00007ff0df836028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff0dec25fa0 RCX: 00007ff0de99e159 RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000003 RBP: 00007ff0dea3506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff0dec26038 R14: 00007ff0dec25fa0 R15: 00007ffe88958a08