------------[ cut here ]------------ WARNING: CPU: 1 PID: 23995 at net/mac80211/ibss.c:500 ieee80211_ibss_csa_beacon+0x504/0x5b0 Modules linked in: CPU: 1 PID: 23995 Comm: syz-executor.4 Not tainted 6.2.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 RIP: 0010:ieee80211_ibss_csa_beacon+0x504/0x5b0 net/mac80211/ibss.c:500 Code: f7 c6 05 36 75 1b 04 01 48 c7 c7 40 81 ec 8b be fd 01 00 00 48 c7 c2 e0 81 ec 8b e8 f6 36 48 f7 e9 6a fe ff ff e8 2c a4 68 f7 <0f> 0b b8 ea ff ff ff e9 7a ff ff ff e8 1b a4 68 f7 0f 0b e9 68 fb RSP: 0018:ffffc900046f6f40 EFLAGS: 00010287 RAX: ffffffff8a232fd4 RBX: ffff88801d3b9ae0 RCX: 0000000000040000 RDX: ffffc9000599b000 RSI: 0000000000002b59 RDI: 0000000000002b5a RBP: ffff888046b5b638 R08: dffffc0000000000 R09: fffffbfff2038649 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801d3b9ac0 R13: ffff888046b586c0 R14: ffff88801d3b8c80 R15: ffff88801d3b9aba FS: 00007fa19de7a700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fed899821b8 CR3: 0000000042129000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_set_csa_beacon net/mac80211/cfg.c:3686 [inline] __ieee80211_channel_switch net/mac80211/cfg.c:3816 [inline] ieee80211_channel_switch+0x13d6/0x2380 net/mac80211/cfg.c:3856 rdev_channel_switch+0x17b/0x3a0 net/wireless/rdev-ops.h:1094 nl80211_channel_switch+0x991/0x1210 net/wireless/nl80211.c:10061 genl_family_rcv_msg_doit net/netlink/genetlink.c:968 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1048 [inline] genl_rcv_msg+0xc33/0xf90 net/netlink/genetlink.c:1065 netlink_rcv_skb+0x1df/0x430 net/netlink/af_netlink.c:2574 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x7c3/0x990 net/netlink/af_netlink.c:1365 netlink_sendmsg+0xa02/0xd10 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] ____sys_sendmsg+0x5a2/0x8f0 net/socket.c:2479 ___sys_sendmsg net/socket.c:2533 [inline] __sys_sendmsg+0x2ad/0x390 net/socket.c:2562 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa19d08c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa19de7a168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fa19d1abf80 RCX: 00007fa19d08c0f9 RDX: 0000000000040880 RSI: 0000000020000200 RDI: 0000000000000005 RBP: 00007fa19d0e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd3d7de50f R14: 00007fa19de7a300 R15: 0000000000022000