netlink: 16 bytes leftover after parsing attributes in process `syz.3.2016'. ------------[ cut here ]------------ intf 08:02:11:00:00:00 [link=0]: bad STA 08:02:11:00:00:01 bandwidth 20 MHz (0) > channel config 10 MHz (7) WARNING: CPU: 1 PID: 13187 at drivers/net/wireless/virtual/mac80211_hwsim.c:2653 mac80211_hwsim_sta_rc_update+0x6f5/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2650 Modules linked in: CPU: 1 UID: 0 PID: 13187 Comm: syz.3.2016 Not tainted 6.15.0-rc5-syzkaller-01021-g0b28182c73a3 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:mac80211_hwsim_sta_rc_update+0x6f5/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2650 Code: 71 17 00 00 48 c7 c7 60 f8 0b 8c 48 8b 74 24 28 89 ea 48 8b 4c 24 10 41 89 d8 45 89 f9 41 56 50 e8 90 48 9c fa 48 83 c4 10 90 <0f> 0b 90 90 e9 0c ff ff ff e8 2d ec d7 fa 90 0f 0b 90 e9 fe fe ff RSP: 0018:ffffc900045eefb0 EFLAGS: 00010282 RAX: 716e5ed90bcb6b00 RBX: 0000000000000014 RCX: 0000000000080000 RDX: ffffc9000d93e000 RSI: 000000000000579f RDI: 00000000000057a0 RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bba4b4 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000007 R15: 0000000000000000 FS: 00007fbf25fc86c0(0000) GS:ffff8881261c0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc195ae56c0 CR3: 000000006034c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mac80211_hwsim_sta_add+0xa3/0x310 drivers/net/wireless/virtual/mac80211_hwsim.c:2670 drv_sta_add net/mac80211/driver-ops.h:466 [inline] drv_sta_state+0x8be/0x1840 net/mac80211/driver-ops.c:155 sta_info_insert_drv_state net/mac80211/sta_info.c:775 [inline] sta_info_insert_finish net/mac80211/sta_info.c:883 [inline] sta_info_insert_rcu+0xd32/0x1940 net/mac80211/sta_info.c:960 sta_info_insert+0x16/0xc0 net/mac80211/sta_info.c:965 rdev_add_station+0x105/0x290 net/wireless/rdev-ops.h:201 nl80211_new_station+0x1723/0x1b40 net/wireless/nl80211.c:7843 genl_family_rcv_msg_doit+0x212/0x300 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x219/0x490 net/netlink/af_netlink.c:2534 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x758/0x8d0 net/netlink/af_netlink.c:1339 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:727 ____sys_sendmsg+0x505/0x830 net/socket.c:2566 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620 __sys_sendmsg net/socket.c:2652 [inline] __do_sys_sendmsg net/socket.c:2657 [inline] __se_sys_sendmsg net/socket.c:2655 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbf2518e969 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:00007fbf25fc8038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fbf253b6080 RCX: 00007fbf2518e969 RDX: 0000000000000000 RSI: 0000200000001080 RDI: 000000000000000a RBP: 00007fbf25210ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fbf253b6080 R15: 00007ffc8b774ef8