syzbot

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WARNING: CPU: 0 PID: 5910 at net/mac80211/chan.c:92 ieee80211_chanctx_reserved_chandef net/mac80211/chan.c:90 [inline]
WARNING: CPU: 0 PID: 5910 at net/mac80211/chan.c:92 ieee80211_chsw_switch_hwconf net/mac80211/chan.c:1422 [inline]
WARNING: CPU: 0 PID: 5910 at net/mac80211/chan.c:92 ieee80211_vif_use_reserved_switch+0x10e8/0x28f0 net/mac80211/chan.c:1638
Modules linked in:
CPU: 0 PID: 5910 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:ieee80211_chanctx_reserved_chandef net/mac80211/chan.c:92 [inline]
RIP: 0010:ieee80211_chsw_switch_hwconf net/mac80211/chan.c:1422 [inline]
RIP: 0010:ieee80211_vif_use_reserved_switch+0x10e8/0x28f0 net/mac80211/chan.c:1638
Code: 48 89 df e8 da 9e d6 f7 e9 dc fc ff ff e8 e0 62 7e f7 eb 24 e8 d9 62 7e f7 c7 04 24 f4 ff ff ff e9 e4 f5 ff ff e8 c8 62 7e f7 <0f> 0b 0f 0b e9 cf f5 ff ff e8 ba 62 7e f7 48 8b 7c 24 08 4c 8b 7c
RSP: 0018:ffffc90002e56e00 EFLAGS: 00010293

RAX: ffffffff8a08b95e RBX: 0000000000000001 RCX: ffff88801a3cbc00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff911c35c7 R09: 1ffffffff22386b8
R10: dffffc0000000000 R11: fffffbfff22386b9 R12: 0000000000000001
R13: ffff88806096a5d9 R14: ffff888028512c70 R15: ffff888028512ce8
FS:  000055557e602500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33963fff CR3: 000000007eba7000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 ieee80211_link_use_reserved_context+0x383/0x5c0 net/mac80211/chan.c:1927
 __ieee80211_csa_finalize net/mac80211/cfg.c:3669 [inline]
 ieee80211_csa_finalize+0x5a6/0xf20 net/mac80211/cfg.c:3708
 __ieee80211_channel_switch net/mac80211/cfg.c:3983 [inline]
 ieee80211_channel_switch+0xad5/0xe70 net/mac80211/cfg.c:3999
 rdev_channel_switch+0xeb/0x240 net/wireless/rdev-ops.h:1111
 nl80211_channel_switch+0xae8/0x1120 net/wireless/nl80211.c:10335
 genl_family_rcv_msg_doit+0x211/0x310 net/netlink/genetlink.c:971
 genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline]
 genl_rcv_msg+0x619/0x7a0 net/netlink/genetlink.c:1066
 netlink_rcv_skb+0x241/0x4d0 net/netlink/af_netlink.c:2545
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x751/0x8d0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0x5ba/0x960 net/socket.c:2594
 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2648
 __sys_sendmsg net/socket.c:2677 [inline]
 __do_sys_sendmsg net/socket.c:2686 [inline]
 __se_sys_sendmsg+0x1c2/0x2b0 net/socket.c:2684
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f51f539c819
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:00007ffe20438c68 EFLAGS: 00000246
 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f51f5615fa0 RCX: 00007f51f539c819
RDX: 0000000000000000 RSI: 0000200000000200 RDI: 0000000000000003
RBP: 00007f51f5432c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f51f5615fac R14: 00007f51f5615fa0 R15: 00007f51f5615fa0
 </TASK>