------------[ cut here ]------------ WARNING: CPU: 1 PID: 6772 at net/mac80211/chan.c:2017 ieee80211_link_release_channel+0x150/0x180 net/mac80211/chan.c:2017 Modules linked in: CPU: 1 PID: 6772 Comm: syz.7.536 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:ieee80211_link_release_channel+0x150/0x180 net/mac80211/chan.c:2017 Code: 7c 2d 00 00 74 08 48 89 df e8 2c 91 2f f8 bf 18 1e 00 00 48 03 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 65 f3 7e 00 e8 d0 6f df f7 <0f> 0b eb c5 48 c7 c1 a4 aa 1f 8e 80 e1 07 80 c1 03 38 c1 0f 8c 51 RSP: 0018:ffffc900057274e0 EFLAGS: 00010287 RAX: ffffffff89a15f20 RBX: ffff88804c5795a8 RCX: 0000000000080000 RDX: ffffc9001429f000 RSI: 000000000001d2a8 RDI: 000000000001d2a9 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1c3eebe R10: fffffbfff1c3eebe R11: 1ffffffff1c3eebd R12: ffff88804c57aae0 R13: 1ffff110098af2b5 R14: ffff88804c57a258 R15: dffffc0000000000 FS: 00007fd80c3b26c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd80b5746e0 CR3: 0000000024366000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_teardown_sdata net/mac80211/iface.c:847 [inline] ieee80211_if_change_type+0x20a/0xa50 net/mac80211/iface.c:1987 ieee80211_change_iface+0x58/0x4c0 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x7e6/0xf80 net/wireless/util.c:1207 nl80211_set_interface+0x5db/0x820 net/wireless/nl80211.c:4209 genl_family_rcv_msg_doit+0x22e/0x320 net/netlink/genetlink.c:756 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x5f2/0x780 net/netlink/genetlink.c:850 netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2511 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x74d/0x8d0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x89e/0xbc0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x44f/0x5c0 net/socket.c:2153 __do_sys_sendto net/socket.c:2165 [inline] __se_sys_sendto net/socket.c:2161 [inline] __x64_sys_sendto+0xda/0xf0 net/socket.c:2161 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fd80b590abc Code: 2a 5f 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5f 02 00 48 8b RSP: 002b:00007fd80c3b0e20 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fd80c3b0fa0 RCX: 00007fd80b590abc RDX: 0000000000000024 RSI: 00007fd80c3b0ff0 RDI: 0000000000000006 RBP: 0000000000000000 R08: 00007fd80c3b0e74 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006 R13: 0000000000000000 R14: 00007fd80c3b0ff0 R15: 0000000000000000