================================================================================ UBSAN: Undefined behaviour in net/mac80211/cfg.c:491:9 index 255 is out of range for type 'ieee80211_key *[6]' CPU: 0 PID: 10864 Comm: syz-executor.5 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:00007f2ab7290c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002b140 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffe84cab28f R14: 00007f2ab72919c0 R15: 000000000118bf2c ================================================================================ audit: type=1804 audit(1602835057.913:19): pid=10911 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-testdir291966437/syzkaller.OjSZ8P/139/bus" dev="sda1" ino=16096 res=1 audit: type=1804 audit(1602835057.993:20): pid=10915 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir157929175/syzkaller.CJL7Yr/150/bus" dev="sda1" ino=16081 res=1 audit: type=1804 audit(1602835058.043:21): pid=10915 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir157929175/syzkaller.CJL7Yr/150/bus" dev="sda1" ino=16081 res=1 netlink: 3 bytes leftover after parsing attributes in process `syz-executor.3'. audit: type=1804 audit(1602835058.683:22): pid=10911 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-testdir291966437/syzkaller.OjSZ8P/139/bus" dev="sda1" ino=16096 res=1 Dev loop2: unable to read RDB block 1 loop2: unable to read partition table SQUASHFS error: zlib decompression failed, data probably corrupt loop2: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop2 () failed (rc=-5) SQUASHFS error: squashfs_read_data failed to read block 0x115 SQUASHFS error: Unable to read metadata cache entry [115] SQUASHFS error: Unable to read directory block [115:26] Dev loop2: unable to read RDB block 1 loop2: unable to read partition table loop2: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop2 () failed (rc=-5) SQUASHFS error: zlib decompression failed, data probably corrupt SQUASHFS error: squashfs_read_data failed to read block 0x115 SQUASHFS error: Unable to read metadata cache entry [115] SQUASHFS error: Unable to read directory block [115:26] JFS: discard option not supported on device ntfs: (device loop2): is_boot_sector_ntfs(): Invalid boot sector checksum. ntfs: (device loop2): read_ntfs_boot_sector(): Primary boot sector is invalid. ntfs: (device loop2): read_ntfs_boot_sector(): Mount option errors=recover not used. Aborting without trying to recover. SQUASHFS error: zlib decompression failed, data probably corrupt ntfs: (device loop2): ntfs_fill_super(): Not an NTFS volume. SQUASHFS error: squashfs_read_data failed to read block 0x115 SQUASHFS error: Unable to read metadata cache entry [115] SQUASHFS error: Unable to read directory block [115:26] ntfs: (device loop2): is_boot_sector_ntfs(): Invalid boot sector checksum. ntfs: (device loop2): read_ntfs_boot_sector(): Primary boot sector is invalid. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. netlink: 26 bytes leftover after parsing attributes in process `syz-executor.3'. kvm: pic: non byte write squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop4 kvm: pic: non byte write kvm: pic: non byte write kvm: pic: non byte write kvm: pic: non byte write kvm: pic: non byte write kvm: pic: non byte write kvm: pic: non byte write kvm: pic: non byte write kvm: pic: non byte write squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop4 squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop4 qnx6: unable to read the first superblock qnx6: unable to read the first superblock qnx6: unable to read the first superblock FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) kauditd_printk_skb: 2 callbacks suppressed audit: type=1400 audit(1602835064.084:23): avc: denied { sys_admin } for pid=11376 comm="syz-executor.0" capability=21 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=cap_userns permissive=1 IPVS: ftp: loaded support on port[0] = 21 qnx6: unable to read the first superblock squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop4 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop4 squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop4 binder: 11480:11484 ioctl c018620c 200004c0 returned -22 squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop4 squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop4 squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop4 squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop4 BFS-fs: bfs_fill_super(): No BFS filesystem on loop0 (magic=00000000) squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop4 BFS-fs: bfs_fill_super(): No BFS filesystem on loop0 (magic=00000000) squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop4