------------[ cut here ]------------ WARNING: CPU: 1 PID: 11574 at net/mac80211/ibss.c:501 ieee80211_ibss_csa_beacon+0x5bd/0x6a0 net/mac80211/ibss.c:501 Modules linked in: CPU: 1 PID: 11574 Comm: syz.3.1474 Not tainted 6.6.94-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:ieee80211_ibss_csa_beacon+0x5bd/0x6a0 net/mac80211/ibss.c:501 Code: f7 c6 05 95 47 58 04 01 48 c7 c7 20 a3 bd 8b be fe 01 00 00 48 c7 c2 c0 a3 bd 8b e8 fd 9e 8b f7 e9 5f fe ff ff e8 f3 88 a9 f7 <0f> 0b b8 ea ff ff ff e9 7a ff ff ff e8 e2 88 a9 f7 0f 0b e9 b2 fa RSP: 0018:ffffc9000b946f00 EFLAGS: 00010287 RAX: ffffffff89dc0cdd RBX: ffff88801e648700 RCX: 0000000000080000 RDX: ffffc9000cdeb000 RSI: 0000000000001ae6 RDI: 0000000000001ae7 RBP: 1ffff1100bc1fab3 R08: ffffffff90d855e7 R09: 1ffffffff21b0abc R10: dffffc0000000000 R11: fffffbfff21b0abd R12: ffffc9000b9470e0 R13: ffff88805e0fd598 R14: ffff88805e0fda88 R15: ffff88805e0fcc80 FS: 00007f257e2bf6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c917ff8 CR3: 0000000056953000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_set_csa_beacon+0x77e/0xa10 net/mac80211/cfg.c:3836 __ieee80211_channel_switch net/mac80211/cfg.c:3964 [inline] ieee80211_channel_switch+0x7c2/0xe30 net/mac80211/cfg.c:4009 rdev_channel_switch+0xeb/0x240 net/wireless/rdev-ops.h:1111 nl80211_channel_switch+0xa07/0x1040 net/wireless/nl80211.c:10335 genl_family_rcv_msg_doit+0x209/0x2f0 net/netlink/genetlink.c:971 genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline] genl_rcv_msg+0x60b/0x790 net/netlink/genetlink.c:1066 netlink_rcv_skb+0x216/0x480 net/netlink/af_netlink.c:2537 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075 netlink_unicast_kernel net/netlink/af_netlink.c:1323 [inline] netlink_unicast+0x750/0x8c0 net/netlink/af_netlink.c:1349 netlink_sendmsg+0x8c1/0xbe0 net/netlink/af_netlink.c:1891 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x5bf/0x950 net/socket.c:2595 ___sys_sendmsg+0x220/0x290 net/socket.c:2649 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2687 [inline] __se_sys_sendmsg+0x1a5/0x270 net/socket.c:2685 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f257d38e929 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:00007f257e2bf038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f257d5b5fa0 RCX: 00007f257d38e929 RDX: 0000000000000000 RSI: 0000200000000200 RDI: 0000000000000003 RBP: 00007f257d410b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f257d5b5fa0 R15: 00007ffc346fb518