================================================================================ binder: 9583:9590 ioctl 50009403 0 returned -22 UBSAN: Undefined behaviour in net/mac80211/cfg.c:491:9 index 255 is out of range for type 'ieee80211_key *[6]' CPU: 0 PID: 9588 Comm: syz-executor.4 Not tainted 4.19.150-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_out_of_bounds.cold+0x63/0x6f lib/ubsan.c:383 ieee80211_del_key+0x48a/0x490 net/mac80211/cfg.c:491 rdev_del_key net/wireless/rdev-ops.h:106 [inline] nl80211_del_key+0x41e/0xc50 net/wireless/nl80211.c:3650 genl_family_rcv_msg+0x6bf/0xd50 net/netlink/genetlink.c:602 genl_rcv_msg+0xdf/0x1b0 net/netlink/genetlink.c:627 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x717/0xcc0 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc7/0x130 net/socket.c:632 ___sys_sendmsg+0x7bb/0x8f0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f59d0150c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002b140 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffd59fbcf8f R14: 00007f59d01519c0 R15: 000000000118bf2c ================================================================================ audit: type=1326 audit(1602908569.826:104): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9652 comm="syz-executor.4" exe="/root/syz-executor.4" sig=31 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x0 x_tables: duplicate underflow at hook 2 nla_parse: 2 callbacks suppressed netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 36 bytes leftover after parsing attributes in process `syz-executor.3'. audit: type=1326 audit(1602908570.446:105): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9652 comm="syz-executor.4" exe="/root/syz-executor.4" sig=31 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x0 x_tables: duplicate underflow at hook 2 x_tables: duplicate underflow at hook 1 x_tables: duplicate underflow at hook 3 x_tables: duplicate underflow at hook 3 x_tables: duplicate underflow at hook 1 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. x_tables: duplicate underflow at hook 2 sock: process `syz-executor.2' is using obsolete getsockopt SO_BSDCOMPAT audit: type=1400 audit(1602908575.706:106): avc: denied { ioctl } for pid=10020 comm="syz-executor.2" path="socket:[150158]" dev="sockfs" ino=150158 ioctlcmd=0x8933 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 usb usb2: usbfs: interface 0 claimed by hub while 'syz-executor.1' sets config #0 SELinux: Context system_u:object_r:iptables_un is not valid (left unmapped). hfsplus: session requires an argument hfsplus: unable to parse mount options hfsplus: session requires an argument hfsplus: unable to parse mount options hfsplus: unable to find HFS+ superblock