netlink: 'syz-executor323': attribute type 27 has an invalid length. ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 0 PID: 6095 at net/mac80211/main.c:238 ieee80211_bss_info_change_notify+0x648/0xc74 net/mac80211/main.c:238 Modules linked in: CPU: 0 PID: 6095 Comm: syz-executor323 Not tainted 6.7.0-rc4-syzkaller-gd46efae31672 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ieee80211_bss_info_change_notify+0x648/0xc74 net/mac80211/main.c:238 lr : ieee80211_bss_info_change_notify+0x648/0xc74 net/mac80211/main.c:238 sp : ffff8000971e6f30 x29: ffff8000971e6f40 x28: dfff800000000000 x27: dfff800000000000 x26: 1fffe0001a7d0aa1 x25: 0000000000000200 x24: ffff8000912de000 x23: 0000000000000000 x22: ffff0000d3e86728 x21: ffff0000d3e84cc0 x20: 0000000000000a00 x19: ffff0000d4480e40 x18: ffff8000971e6400 x17: 0000000000000000 x16: ffff80008a82b29c x15: 0000000000000001 x14: 1fffe0003682623a x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 8bcd31b68a621800 x8 : 8bcd31b68a621800 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000971e6818 x4 : ffff80008e5d1ea0 x3 : ffff8000805af654 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ieee80211_bss_info_change_notify+0x648/0xc74 net/mac80211/main.c:238 ieee80211_ibss_disconnect+0x4e0/0x6a0 net/mac80211/ibss.c:713 ieee80211_ibss_leave+0x30/0x10c net/mac80211/ibss.c:1826 ieee80211_leave_ibss+0x20/0x30 net/mac80211/cfg.c:2898 rdev_leave_ibss net/wireless/rdev-ops.h:569 [inline] cfg80211_leave_ibss+0x1d4/0x710 net/wireless/ibss.c:200 cfg80211_change_iface+0x49c/0x1398 net/wireless/util.c:1127 nl80211_set_interface+0x3ac/0x6b4 net/wireless/nl80211.c:4216 genl_family_rcv_msg_doit net/netlink/genetlink.c:972 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1052 [inline] genl_rcv_msg+0x874/0xb6c net/netlink/genetlink.c:1067 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2545 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1076 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:2584 ___sys_sendmsg net/socket.c:2638 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2667 __do_sys_sendmsg net/socket.c:2676 [inline] __se_sys_sendmsg net/socket.c:2674 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2674 __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: 23248 hardirqs last enabled at (23247): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (23247): [] __console_unlock kernel/printk/printk.c:2706 [inline] hardirqs last enabled at (23247): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3038 hardirqs last disabled at (23248): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (23226): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (23226): [] ieee80211_ibss_disconnect+0x36c/0x6a0 net/mac80211/ibss.c:697 softirqs last disabled at (23224): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (23224): [] ieee80211_ibss_disconnect+0x234/0x6a0 net/mac80211/ibss.c:687 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 0 PID: 6095 at net/mac80211/driver-ops.h:1239 drv_leave_ibss+0x390/0x7ac net/mac80211/driver-ops.h:1239 Modules linked in: CPU: 0 PID: 6095 Comm: syz-executor323 Tainted: G W 6.7.0-rc4-syzkaller-gd46efae31672 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drv_leave_ibss+0x390/0x7ac net/mac80211/driver-ops.h:1239 lr : drv_leave_ibss+0x390/0x7ac net/mac80211/driver-ops.h:1239 sp : ffff8000971e6f60 x29: ffff8000971e6f60 x28: dfff800000000000 x27: ffff80008e4ed3a8 x26: ffff0000d4480e40 x25: ffff0000d3e85a68 x24: ffff0000d3e85a68 x23: dfff800000000000 x22: ffff8000912de000 x21: 0000000000000000 x20: ffff0000d3e84cc0 x19: ffff0000d4480e40 x18: ffff8000971e6400 x17: 0000000000000000 x16: ffff80008a7767c0 x15: 0000000000000001 x14: 1ffff00012e3cd08 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 8bcd31b68a621800 x8 : 8bcd31b68a621800 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000971e6858 x4 : ffff80008e5d1ea0 x3 : ffff800080369730 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: drv_leave_ibss+0x390/0x7ac net/mac80211/driver-ops.h:1239 ieee80211_ibss_disconnect+0x4ec/0x6a0 net/mac80211/ibss.c:715 ieee80211_ibss_leave+0x30/0x10c net/mac80211/ibss.c:1826 ieee80211_leave_ibss+0x20/0x30 net/mac80211/cfg.c:2898 rdev_leave_ibss net/wireless/rdev-ops.h:569 [inline] cfg80211_leave_ibss+0x1d4/0x710 net/wireless/ibss.c:200 cfg80211_change_iface+0x49c/0x1398 net/wireless/util.c:1127 nl80211_set_interface+0x3ac/0x6b4 net/wireless/nl80211.c:4216 genl_family_rcv_msg_doit net/netlink/genetlink.c:972 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1052 [inline] genl_rcv_msg+0x874/0xb6c net/netlink/genetlink.c:1067 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2545 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1076 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:2584 ___sys_sendmsg net/socket.c:2638 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2667 __do_sys_sendmsg net/socket.c:2676 [inline] __se_sys_sendmsg net/socket.c:2674 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2674 __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: 23300 hardirqs last enabled at (23299): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (23299): [] __console_unlock kernel/printk/printk.c:2706 [inline] hardirqs last enabled at (23299): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3038 hardirqs last disabled at (23300): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (23294): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (23294): [] __do_softirq+0xac8/0xce4 kernel/softirq.c:582 softirqs last disabled at (23289): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ end trace 0000000000000000 ]---