------------[ cut here ]------------ WARNING: CPU: 1 PID: 17252 at net/mac80211/chan.c:2017 ieee80211_link_release_channel+0x150/0x180 net/mac80211/chan.c:2017 Modules linked in: CPU: 1 PID: 17252 Comm: syz.6.4090 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:ieee80211_link_release_channel+0x150/0x180 net/mac80211/chan.c:2017 Code: 7c 2d 00 00 74 08 48 89 df e8 0c 45 2f f8 bf 18 1e 00 00 48 03 3b 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b5 00 7f 00 e8 f0 15 df f7 <0f> 0b eb c5 48 c7 c1 64 9f 1f 8e 80 e1 07 80 c1 03 38 c1 0f 8c 51 RSP: 0018:ffffc90003a6fa00 EFLAGS: 00010283 RAX: ffffffff89a1c070 RBX: ffff8880617095a8 RCX: 0000000000080000 RDX: ffffc9001608d000 RSI: 000000000000399c RDI: 000000000000399d RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1c3ed56 R10: fffffbfff1c3ed56 R11: 1ffffffff1c3ed55 R12: ffff88806170aae0 R13: 1ffff1100c2e12b5 R14: ffff88806170a258 R15: dffffc0000000000 FS: 00007f16c61166c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c32e274 CR3: 000000006a112000 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 cfg80211_wext_siwmode net/wireless/wext-compat.c:66 [inline] __cfg80211_wext_siwmode+0x1b4/0x270 net/wireless/wext-compat.c:1599 ioctl_standard_call+0xd4/0x2b0 net/wireless/wext-core.c:1026 wireless_process_ioctl net/wireless/wext-core.c:964 [inline] wext_ioctl_dispatch+0x3da/0x470 net/wireless/wext-core.c:997 wext_handle_ioctl+0x104/0x1c0 net/wireless/wext-core.c:1058 sock_ioctl+0x145/0x6e0 net/socket.c:1255 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:856 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: 0033:0x7f16c518f749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f16c6116038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f16c53e5fa0 RCX: 00007f16c518f749 RDX: 0000200000000000 RSI: 0000000000008b06 RDI: 0000000000000005 RBP: 00007f16c5213f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f16c53e6038 R14: 00007f16c53e5fa0 R15: 00007ffd22c31d28