WARNING: CPU: 1 PID: 16916 at net/mac80211/ibss.c:500 ieee80211_ibss_csa_beacon+0x5fd/0x750 net/mac80211/ibss.c:500 Modules linked in: CPU: 1 PID: 16916 Comm: syz-executor.0 Not tainted 6.2.0-rc8-syzkaller-00145-g5e725d112e1a #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:ieee80211_ibss_csa_beacon+0x5fd/0x750 net/mac80211/ibss.c:500 Code: f8 48 c7 c2 40 4f 7c 8b be fd 02 00 00 48 c7 c7 a0 4f 7c 8b c6 05 4c 1d 17 05 01 e8 4a d9 7a 00 e9 df fb ff ff e8 23 91 37 f8 <0f> 0b 41 bd ea ff ff ff e9 ee fd ff ff e8 91 be 86 f8 e9 d3 fa ff RSP: 0018:ffffc9000470f110 EFLAGS: 00010216 RAX: 0000000000003bfa RBX: ffff8880449d8c80 RCX: ffffc9000cf31000 RDX: 0000000000040000 RSI: ffffffff89489a4d RDI: 0000000000000000 RBP: 0000000000000002 R08: 0000000000000001 R09: ffffffff91361b8f R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880449d9af0 R14: ffff888049338de0 R15: ffff8880449d9590 FS: 00007f8051285700(0000) GS:ffff88802c700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f536000 CR3: 000000004cf15000 CR4: 0000000000150ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000004451 DR6: 00000000ffff0ff0 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+0x150f/0x26c0 net/mac80211/cfg.c:3856 rdev_channel_switch net/wireless/rdev-ops.h:1094 [inline] nl80211_channel_switch+0xc96/0x13b0 net/wireless/nl80211.c:10061 genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 net/netlink/genetlink.c:968 genl_family_rcv_msg net/netlink/genetlink.c:1048 [inline] genl_rcv_msg+0x4ff/0x7e0 net/netlink/genetlink.c:1065 netlink_rcv_skb+0x165/0x440 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+0x547/0x7f0 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xd3/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2479 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2533 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2562 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f805048c0f9 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:00007f8051285168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f80505abf80 RCX: 00007f805048c0f9 RDX: 0000000000040880 RSI: 0000000020000200 RDI: 0000000000000008 RBP: 00007f80504e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe952716df R14: 00007f8051285300 R15: 0000000000022000