syzbot

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WARNING: CPU: 1 PID: 7983 at net/mac80211/ibss.c:500 ieee80211_ibss_csa_beacon+0x5aa/0x690 net/mac80211/ibss.c:500
Modules linked in:
CPU: 1 PID: 7983 Comm: syz.2.909 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:ieee80211_ibss_csa_beacon+0x5aa/0x690 net/mac80211/ibss.c:500
Code: f7 c6 05 5f 60 65 04 01 48 c7 c7 70 78 a6 8b be fd 01 00 00 48 c7 c2 00 79 a6 8b e8 40 e5 be f7 e9 60 fe ff ff e8 c6 69 dc f7 <0f> 0b b8 ea ff ff ff e9 7a ff ff ff e8 b5 69 dc f7 0f 0b e9 be fa
RSP: 0018:ffffc90003216f68 EFLAGS: 00010283
RAX: ffffffff89a608ea RBX: ffff888055fc8760 RCX: 0000000000080000
RDX: ffffc9000e529000 RSI: 000000000000127b RDI: 000000000000127c
RBP: 1ffff1100fccfab5 R08: ffffffff90af6307 R09: 1ffffffff215ec60
R10: dffffc0000000000 R11: fffffbfff215ec61 R12: ffff88807e67d5a8
R13: ffff88807e67dac8 R14: ffff88807e67cc80 R15: dffffc0000000000
FS:  00007fb48fc236c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f920ff8 CR3: 0000000063b25000 CR4: 00000000003526e0
Call Trace:
 <TASK>
 ieee80211_set_csa_beacon+0x78a/0xa80 net/mac80211/cfg.c:3744
 __ieee80211_channel_switch net/mac80211/cfg.c:3874 [inline]
 ieee80211_channel_switch+0x7dd/0xce0 net/mac80211/cfg.c:3914
 rdev_channel_switch+0x104/0x2b0 net/wireless/rdev-ops.h:1098
 nl80211_channel_switch+0xaa9/0x10f0 net/wireless/nl80211.c:10216
 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:756
 genl_family_rcv_msg net/netlink/genetlink.c:833 [inline]
 genl_rcv_msg+0x604/0x790 net/netlink/genetlink.c:850
 netlink_rcv_skb+0x1fb/0x450 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+0x8ad/0xbd0 net/netlink/af_netlink.c:1872
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x5be/0x970 net/socket.c:2518
 ___sys_sendmsg+0x2a2/0x360 net/socket.c:2572
 __sys_sendmsg net/socket.c:2601 [inline]
 __do_sys_sendmsg net/socket.c:2610 [inline]
 __se_sys_sendmsg+0x1bb/0x2a0 net/socket.c:2608
 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: 0033:0x7fb48ed9c799
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:00007fb48fc23028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb48f015fa0 RCX: 00007fb48ed9c799
RDX: 0000000000000000 RSI: 0000200000000200 RDI: 0000000000000003
RBP: 00007fb48ee32bd9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb48f016038 R14: 00007fb48f015fa0 R15: 00007ffdba3c6fc8
 </TASK>