audit: type=1400 audit(1602386865.746:10): avc: denied { set_context_mgr } for pid=9026 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=binder permissive=1 netlink: 'syz-executor.2': attribute type 3 has an invalid length. binder: 9026:9027 ioctl c0306201 20000100 returned -11 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. ================================================================================ UBSAN: Undefined behaviour in net/mac80211/cfg.c:491:9 index 255 is out of range for type 'ieee80211_key *[6]' CPU: 1 PID: 9028 Comm: syz-executor.2 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:00007fa30c2b8c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002b140 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff22731ecf R14: 00007fa30c2b99c0 R15: 000000000118bf2c ================================================================================ EXT4-fs (loop5): unsupported inode size: 0 EXT4-fs (loop5): blocksize: 4096 EXT4-fs (loop5): unsupported inode size: 0 EXT4-fs (loop5): blocksize: 4096 audit: type=1804 audit(1602386866.336:11): pid=9035 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir789251500/syzkaller.wFjEki/18/cgroup.controllers" dev="sda1" ino=15870 res=1 netlink: 'syz-executor.2': attribute type 3 has an invalid length. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. audit: type=1804 audit(1602386866.626:12): pid=9035 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir789251500/syzkaller.wFjEki/18/cgroup.controllers" dev="sda1" ino=15870 res=1 netlink: 'syz-executor.2': attribute type 3 has an invalid length. IPVS: ftp: loaded support on port[0] = 21 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. XFS (loop3): Invalid device [./file1], error=-2 XFS (loop3): Invalid device [./file1], error=-2 IPVS: ftp: loaded support on port[0] = 21 netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. block nbd1: Receive control failed (result -107) block nbd1: shutting down sockets syz-executor.5 (9206) used greatest stack depth: 22632 bytes left sd 0:0:1:0: [sg0] tag#4545 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK blktrace: Concurrent blktraces are not allowed on loop0 sd 0:0:1:0: [sg0] tag#4545 CDB: opcode=0x94 sd 0:0:1:0: [sg0] tag#4545 CDB[00]: 94 e1 ce 17 6e f6 bc ba db 23 b3 ef a0 7b eb a2 sd 0:0:1:0: [sg0] tag#4545 CDB[10]: fa 17 7b f5 91 f1 06 1e d6 ea f5 ee 1d 13 bb a5 sd 0:0:1:0: [sg0] tag#4545 CDB[20]: 36 audit: type=1800 audit(1602386873.656:13): pid=9299 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.0" name="file0" dev="sda1" ino=15920 res=0 blktrace: Concurrent blktraces are not allowed on loop0 blktrace: Concurrent blktraces are not allowed on loop0 blktrace: Concurrent blktraces are not allowed on loop0 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. blktrace: Concurrent blktraces are not allowed on loop0 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. blktrace: Concurrent blktraces are not allowed on loop0 netlink: 72 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 72 bytes leftover after parsing attributes in process `syz-executor.2'. blktrace: Concurrent blktraces are not allowed on loop0 blktrace: Concurrent blktraces are not allowed on loop0 MINIX-fs: mounting unchecked file system, running fsck is recommended blktrace: Concurrent blktraces are not allowed on loop0 blktrace: Concurrent blktraces are not allowed on loop0 blktrace: Concurrent blktraces are not allowed on loop0 usb usb9: check_ctrlrecip: process 9453 (syz-executor.1) requesting ep 01 but needs 81 usb usb9: usbfs: process 9453 (syz-executor.1) did not claim interface 0 before use blktrace: Concurrent blktraces are not allowed on loop0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=112 sclass=netlink_route_socket pid=9458 comm=syz-executor.1 usb usb9: check_ctrlrecip: process 9457 (syz-executor.1) requesting ep 01 but needs 81 usb usb9: usbfs: process 9457 (syz-executor.1) did not claim interface 0 before use audit: type=1800 audit(1602386875.696:14): pid=9472 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.1" name="file0" dev="sda1" ino=15925 res=0