batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 ================================================================================ batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! UBSAN: Undefined behaviour in net/netfilter/nf_nat_core.c:67:9 index 230 is out of range for type 'nf_nat_l3proto *[13]' CPU: 1 PID: 7847 Comm: syz-executor.1 Not tainted 4.19.149-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 batman_adv: batadv0: Interface activated: batadv_slave_0 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_out_of_bounds.cold+0x63/0x6f lib/ubsan.c:383 __nf_nat_l3proto_find net/netfilter/nf_nat_core.c:67 [inline] nfnetlink_parse_nat_setup+0x68c/0x750 net/netfilter/nf_nat_core.c:876 ctnetlink_parse_nat_setup+0xd6/0x760 net/netfilter/nf_conntrack_netlink.c:1521 ctnetlink_setup_nat net/netfilter/nf_conntrack_netlink.c:1591 [inline] ctnetlink_create_conntrack+0x48f/0x1350 net/netfilter/nf_conntrack_netlink.c:1984 ctnetlink_new_conntrack+0x4f3/0xdb0 net/netfilter/nf_conntrack_netlink.c:2114 nfnetlink_rcv_msg+0xeff/0x1210 net/netfilter/nfnetlink.c:233 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 nfnetlink_rcv+0x1b2/0x41b net/netfilter/nfnetlink.c:565 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: 0033:0x45dd99 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:00007fd86328ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002ab40 RCX: 000000000045dd99 RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffd5aad682f R14: 00007fd86328b9c0 R15: 000000000118bf2c ================================================================================ Bluetooth: hci0: command 0x0419 tx timeout batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 Bluetooth: hci1: command 0x0419 tx timeout Bluetooth: hci2: command 0x0419 tx timeout batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! ptrace attach of "/root/syz-executor.0"[7859] was attempted by "/root/syz-executor.0"[7863] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 Bluetooth: hci3: command 0x0419 tx timeout batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_0 ptrace attach of "/root/syz-executor.0"[7881] was attempted by "/root/syz-executor.0"[7882] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready Bluetooth: hci4: command 0x0419 tx timeout IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 Bluetooth: hci5: command 0x0419 tx timeout batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_1 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! ptrace attach of "/root/syz-executor.0"[7915] was attempted by "/root/syz-executor.0"[7916] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready ptrace attach of "/root/syz-executor.0"[7935] was attempted by "/root/syz-executor.0"[7937] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready audit: type=1804 audit(1601636113.544:9): pid=8058 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-testdir879626835/syzkaller.b8w5nE/0/file1/bus" dev="loop4" ino=3 res=1 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 audit: type=1804 audit(1601636113.574:10): pid=8058 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-testdir879626835/syzkaller.b8w5nE/0/file1/bus" dev="loop4" ino=3 res=1 audit: type=1804 audit(1601636113.584:11): pid=8058 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-testdir879626835/syzkaller.b8w5nE/0/file1/bus" dev="loop4" ino=3 res=1 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready audit: type=1804 audit(1601636114.004:12): pid=8089 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-testdir879626835/syzkaller.b8w5nE/0/file1/bus" dev="loop4" ino=3 res=1 audit: type=1804 audit(1601636114.064:13): pid=8095 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-testdir879626835/syzkaller.b8w5nE/0/file1/bus" dev="loop4" ino=3 res=1 ptrace attach of "/root/syz-executor.3"[8111] was attempted by "/root/syz-executor.3"[8112] audit: type=1804 audit(1601636114.064:14): pid=8109 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-testdir879626835/syzkaller.b8w5nE/0/file1/bus" dev="loop4" ino=3 res=1 hrtimer: interrupt took 27946 ns audit: type=1400 audit(1601636114.164:15): avc: denied { sys_admin } for pid=8114 comm="syz-executor.5" capability=21 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=cap_userns permissive=1 ptrace attach of "/root/syz-executor.0"[8119] was attempted by "/root/syz-executor.0"[8122] audit: type=1800 audit(1601636114.564:16): pid=8167 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=15764 res=0 ptrace attach of "/root/syz-executor.0"[8171] was attempted by "/root/syz-executor.0"[8173] audit: type=1800 audit(1601636114.604:17): pid=8167 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=15764 res=0 IPVS: ftp: loaded support on port[0] = 21 EXT4-fs (loop3): mounting ext2 file system using the ext4 subsystem EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): re-mounted. Opts: (null) nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. mmap: syz-executor.2 (8257) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.rst. EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue F2FS-fs (loop2): Magic Mismatch, valid(0xf2f52010) - read(0x0) audit: type=1400 audit(1601636117.694:18): avc: denied { write } for pid=8458 comm="syz-executor.3" name="net" dev="proc" ino=31972 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dir permissive=1 F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop2): Fix alignment : internally, start(4096) end(147456) block(12288) F2FS-fs (loop2): invalid crc value F2FS-fs (loop2): invalid crc value F2FS-fs (loop2): Failed to get valid F2FS checkpoint F2FS-fs (loop2): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop2): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop2): invalid crc value F2FS-fs (loop2): invalid crc value IPVS: ftp: loaded support on port[0] = 21 kauditd_printk_skb: 2 callbacks suppressed audit: type=1804 audit(1601636119.014:21): pid=8612 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-testdir879626835/syzkaller.b8w5nE/12/cgroup.controllers" dev="sda1" ino=15825 res=1 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. IPVS: ftp: loaded support on port[0] = 21