------------[ cut here ]------------ WARNING: CPU: 1 PID: 7674 at net/mac80211/ibss.c:503 ieee80211_ibss_csa_beacon+0x572/0x620 net/mac80211/ibss.c:-1 Modules linked in: CPU: 1 PID: 7674 Comm: syz.2.909 Not tainted 5.15.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:ieee80211_ibss_csa_beacon+0x572/0x620 net/mac80211/ibss.c:503 Code: f7 c6 05 22 66 2a 04 01 48 c7 c7 30 8d b8 8b be 01 02 00 00 48 c7 c2 c0 8d b8 8b e8 28 56 96 f7 e9 6a fe ff ff e8 2e a3 b3 f7 <0f> 0b b8 ea ff ff ff e9 7a ff ff ff e8 1d a3 b3 f7 0f 0b e9 f5 fa RSP: 0018:ffffc90002fbeef8 EFLAGS: 00010283 RAX: ffffffff89cc9f12 RBX: ffff88801efe3550 RCX: 0000000000080000 RDX: ffffc9000bf01000 RSI: 00000000000004c1 RDI: 00000000000004c2 RBP: ffff888060c79ae2 R08: dffffc0000000000 R09: fffffbfff2131832 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888060c79ae8 R13: ffff88801efe05c0 R14: ffff888060c78c80 R15: ffff888060c79b08 FS: 00007fd535dc06c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc7fa6d068 CR3: 000000007b3b5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 00000000ffff5325 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_set_csa_beacon net/mac80211/cfg.c:3382 [inline] __ieee80211_channel_switch net/mac80211/cfg.c:3512 [inline] ieee80211_channel_switch+0x11d7/0x1f60 net/mac80211/cfg.c:3550 rdev_channel_switch+0xf1/0x260 net/wireless/rdev-ops.h:1088 nl80211_channel_switch+0x8d5/0x10f0 net/wireless/nl80211.c:9389 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline] genl_family_rcv_msg net/netlink/genetlink.c:775 [inline] genl_rcv_msg+0xfc2/0x14a0 net/netlink/genetlink.c:792 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2489 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x7c0/0x990 net/netlink/af_netlink.c:1337 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2436 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg+0x19a/0x260 net/socket.c:2526 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fd537f58169 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:00007fd535dc0038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fd53817ffa0 RCX: 00007fd537f58169 RDX: 0000000000000000 RSI: 0000200000000200 RDI: 0000000000000003 RBP: 00007fd537fdaa68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd53817ffa0 R15: 00007ffcc1c625c8