netlink: 'syz-executor366': attribute type 27 has an invalid length. ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 1 PID: 6091 at net/mac80211/main.c:236 ieee80211_bss_info_change_notify+0x640/0xc6c net/mac80211/main.c:236 Modules linked in: CPU: 1 PID: 6091 Comm: syz-executor366 Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ieee80211_bss_info_change_notify+0x640/0xc6c net/mac80211/main.c:236 lr : ieee80211_bss_info_change_notify+0x640/0xc6c net/mac80211/main.c:236 sp : ffff800096bc6f10 x29: ffff800096bc6f20 x28: 1fffe00019da0370 x27: dfff800000000000 x26: 1fffe00019da02bb x25: 0000000000000200 x24: ffff8000910a2000 x23: 0000000000000000 x22: ffff0000ced028f0 x21: ffff0000ced00cc0 x20: 0000000000000a00 x19: ffff0000d5568e40 x18: ffff800096bc6400 x17: 0000000000000000 x16: ffff80008a71b23c x15: 0000000000000001 x14: 1fffe00036833432 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : 1afb5d17874fa300 x8 : 1afb5d17874fa300 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800096bc67f8 x4 : ffff80008e4210a0 x3 : ffff8000805a359c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ieee80211_bss_info_change_notify+0x640/0xc6c net/mac80211/main.c:236 ieee80211_ibss_disconnect+0x42c/0x5fc net/mac80211/ibss.c:726 ieee80211_ibss_leave+0x30/0x10c net/mac80211/ibss.c:1872 ieee80211_leave_ibss+0x20/0x30 net/mac80211/cfg.c:2933 rdev_leave_ibss net/wireless/rdev-ops.h:569 [inline] __cfg80211_leave_ibss+0x1bc/0x6f8 net/wireless/ibss.c:210 cfg80211_leave_ibss+0x64/0x88 net/wireless/ibss.c:228 cfg80211_change_iface+0x4d0/0x1408 net/wireless/util.c:1137 nl80211_set_interface+0x3f8/0x6f0 net/wireless/nl80211.c:4222 genl_family_rcv_msg_doit net/netlink/genetlink.c:971 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline] genl_rcv_msg+0x854/0xb4c net/netlink/genetlink.c:1066 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2545 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1075 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x83c/0xb20 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x56c/0x840 net/socket.c:2558 ___sys_sendmsg net/socket.c:2612 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2641 __do_sys_sendmsg net/socket.c:2650 [inline] __se_sys_sendmsg net/socket.c:2648 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2648 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 irq event stamp: 23320 hardirqs last enabled at (23319): [] __up_console_sem kernel/printk/printk.c:347 [inline] hardirqs last enabled at (23319): [] __console_unlock kernel/printk/printk.c:2718 [inline] hardirqs last enabled at (23319): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3037 hardirqs last disabled at (23320): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (23298): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (23298): [] ieee80211_ibss_disconnect+0x2f4/0x5fc net/mac80211/ibss.c:710 softirqs last disabled at (23296): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (23296): [] ieee80211_ibss_disconnect+0x1b4/0x5fc net/mac80211/ibss.c:700 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 1 PID: 6091 at net/mac80211/driver-ops.h:1139 drv_leave_ibss+0x314/0x6fc net/mac80211/driver-ops.h:1139 Modules linked in: CPU: 1 PID: 6091 Comm: syz-executor366 Tainted: G W 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drv_leave_ibss+0x314/0x6fc net/mac80211/driver-ops.h:1139 lr : drv_leave_ibss+0x314/0x6fc net/mac80211/driver-ops.h:1139 sp : ffff800096bc6f40 x29: ffff800096bc6f40 x28: 1fffe00019da0370 x27: dfff800000000000 x26: 1fffe00019da02bb x25: dfff800000000000 x24: ffff0000ced01b80 x23: dfff800000000000 x22: ffff8000910a2000 x21: 0000000000000000 x20: ffff0000ced00cc0 x19: ffff0000d5568e40 x18: ffff800096bc6400 x17: 0000000000000000 x16: ffff80008a71b23c x15: 0000000000000001 x14: 1ffff00012d78d3c x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : 1afb5d17874fa300 x8 : 1afb5d17874fa300 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800096bc6838 x4 : ffff80008e4210a0 x3 : ffff800082b180c4 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: drv_leave_ibss+0x314/0x6fc net/mac80211/driver-ops.h:1139 ieee80211_ibss_disconnect+0x438/0x5fc net/mac80211/ibss.c:728 ieee80211_ibss_leave+0x30/0x10c net/mac80211/ibss.c:1872 ieee80211_leave_ibss+0x20/0x30 net/mac80211/cfg.c:2933 rdev_leave_ibss net/wireless/rdev-ops.h:569 [inline] __cfg80211_leave_ibss+0x1bc/0x6f8 net/wireless/ibss.c:210 cfg80211_leave_ibss+0x64/0x88 net/wireless/ibss.c:228 cfg80211_change_iface+0x4d0/0x1408 net/wireless/util.c:1137 nl80211_set_interface+0x3f8/0x6f0 net/wireless/nl80211.c:4222 genl_family_rcv_msg_doit net/netlink/genetlink.c:971 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline] genl_rcv_msg+0x854/0xb4c net/netlink/genetlink.c:1066 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2545 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1075 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x83c/0xb20 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x56c/0x840 net/socket.c:2558 ___sys_sendmsg net/socket.c:2612 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2641 __do_sys_sendmsg net/socket.c:2650 [inline] __se_sys_sendmsg net/socket.c:2648 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2648 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 irq event stamp: 23358 hardirqs last enabled at (23357): [] __up_console_sem kernel/printk/printk.c:347 [inline] hardirqs last enabled at (23357): [] __console_unlock kernel/printk/printk.c:2718 [inline] hardirqs last enabled at (23357): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3037 hardirqs last disabled at (23358): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (23336): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (23336): [] __do_softirq+0xac0/0xd54 kernel/softirq.c:582 softirqs last disabled at (23323): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]---