IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready device veth0_macvtap entered promiscuous mode wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 ================================================================================ wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 UBSAN: Undefined behaviour in net/netfilter/ipset/ip_set_hash_gen.h:125:6 shift exponent 32 is too large for 32-bit type 'unsigned int' IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready CPU: 0 PID: 7915 Comm: syz-executor.0 Not tainted 4.19.147-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 device veth1_macvtap entered promiscuous mode 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_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready htable_bits net/netfilter/ipset/ip_set_hash_gen.h:125 [inline] hash_ipmac_create.cold+0x1a/0x2b net/netfilter/ipset/ip_set_hash_gen.h:1290 ip_set_create+0x70e/0x1380 net/netfilter/ipset/ip_set_core.c:940 nfnetlink_rcv_msg+0xeff/0x1210 net/netfilter/nfnetlink.c:233 IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 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 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! netlink_sendmsg+0x717/0xcc0 net/netlink/af_netlink.c:1909 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc7/0x130 net/socket.c:632 sock_no_sendpage+0xf5/0x140 net/core/sock.c:2668 kernel_sendpage net/socket.c:3378 [inline] sock_sendpage+0xdf/0x140 net/socket.c:847 pipe_to_sendpage+0x268/0x330 fs/splice.c:452 splice_from_pipe_feed fs/splice.c:503 [inline] __splice_from_pipe+0x3af/0x820 fs/splice.c:627 splice_from_pipe fs/splice.c:662 [inline] generic_splice_sendpage+0xd4/0x140 fs/splice.c:833 do_splice_from fs/splice.c:852 [inline] do_splice fs/splice.c:1154 [inline] __do_sys_splice fs/splice.c:1428 [inline] __se_sys_splice+0xf31/0x15f0 fs/splice.c:1408 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e179 Code: 3d b2 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 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f8db1cb3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! RAX: ffffffffffffffda RBX: 0000000000033ec0 RCX: 000000000045e179 RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 000000000118cf98 R08: 0000000100000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffd20dd7edf R14: 00007f8db1cb49c0 R15: 000000000118cf4c ================================================================================ 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! 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 IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: 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 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_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 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 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_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 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 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready futex_wake_op: syz-executor.5 tries to shift op by -1; fix this program 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_UP): wlan1: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready hrtimer: interrupt took 59949 ns ptrace attach of "/root/syz-executor.1"[8122] was attempted by "/root/syz-executor.1"[8126] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. netlink: 'syz-executor.2': attribute type 1 has an invalid length. IPv6: ADDRCONF(NETDEV_UP): bridge1: link is not ready team0: Port device bridge1 added netlink: 'syz-executor.2': attribute type 1 has an invalid length. IPv6: ADDRCONF(NETDEV_UP): bridge2: link is not ready team0: Port device bridge2 added delete_channel: no stack netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. delete_channel: no stack netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. delete_channel: no stack netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. audit: type=1804 audit(1601072134.937:10): pid=8215 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir040110142/syzkaller.zBbKmh/7/bus" dev="sda1" ino=15756 res=1 audit: type=1800 audit(1601072134.967:11): pid=8215 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.3" name="bus" dev="sda1" ino=15756 res=0 audit: type=1804 audit(1601072135.567:12): pid=8237 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir040110142/syzkaller.zBbKmh/7/bus" dev="sda1" ino=15756 res=1 audit: type=1800 audit(1601072135.597:13): pid=8237 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.3" name="bus" dev="sda1" ino=15756 res=0 binder: 8243:8248 ioctl c0306201 20000040 returned -14 ldm_validate_privheads(): Disk read failed. Dev loop1: unable to read RDB block 1 loop1: unable to read partition table kvm: pic: non byte read kvm: pic: non byte read loop1: partition table beyond EOD, truncated F2FS-fs (loop5): Magic Mismatch, valid(0xf2f52010) - read(0x0) kvm: pic: level sensitive irq not supported kvm: pic: non byte read F2FS-fs (loop5): Can't find valid F2FS filesystem in 1th superblock loop_reread_partitions: partition scan of loop1 () failed (rc=-5) kvm: pic: level sensitive irq not supported kvm: pic: non byte read kvm: pic: level sensitive irq not supported kvm: pic: non byte read kvm: pic: level sensitive irq not supported kvm: pic: non byte read kvm: pic: level sensitive irq not supported kvm: pic: non byte read kvm: pic: level sensitive irq not supported kvm: pic: non byte read F2FS-fs (loop5): Fix alignment : done, start(4096) end(147456) block(12288) kvm: pic: level sensitive irq not supported kvm: pic: non byte read kvm: pic: level sensitive irq not supported kvm: pic: non byte read kvm: pic: level sensitive irq not supported kvm: pic: level sensitive irq not supported F2FS-fs (loop5): invalid crc value ldm_validate_privheads(): Disk read failed. Dev loop1: unable to read RDB block 1 loop1: unable to read partition table loop1: partition table beyond EOD, truncated netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. loop_reread_partitions: partition scan of loop1 () failed (rc=-5) F2FS-fs (loop5): f2fs_check_nid_range: out-of-range nid=1, run fsck to fix. F2FS-fs (loop5): f2fs_check_nid_range: out-of-range nid=2, run fsck to fix. netlink: 'syz-executor.0': attribute type 4 has an invalid length. ldm_validate_privheads(): Disk read failed. Dev loop1: unable to read RDB block 1 loop1: unable to read partition table loop1: partition table beyond EOD, truncated IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready syz-executor.0 (8297) used greatest stack depth: 23168 bytes left F2FS-fs (loop5): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop5): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop5): invalid crc value F2FS-fs (loop5): Failed to initialize F2FS segment manager only policy match revision 0 supported unable to load match netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. only policy match revision 0 supported unable to load match kvm: pic: single mode not supported kvm: pic: single mode not supported kvm: pic: single mode not supported kvm: pic: single mode not supported netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. syz-executor.0 (6514) used greatest stack depth: 23032 bytes left syz-executor.5 uses obsolete (PF_INET,SOCK_PACKET) audit: type=1800 audit(1601072138.247:14): pid=8406 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=15758 res=0 audit: type=1800 audit(1601072138.297:15): pid=8406 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=15758 res=0 kvm: pic: single mode not supported kvm: pic: single mode not supported kvm: pic: single mode not supported kvm: pic: single mode not supported audit: type=1400 audit(1601072139.287:16): avc: denied { create } for pid=8466 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 netlink: 'syz-executor.5': attribute type 10 has an invalid length. team0: Device macvtap0 is up. Set it down before adding it as a team port