[ OK ] Started OpenBSD Secure Shell server. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 140.761864][ T8448] sshd (8448) used greatest stack depth: 3904 bytes left Warning: Permanently added '10.128.1.21' (ECDSA) to the list of known hosts. 2020/07/17 23:19:36 fuzzer started 2020/07/17 23:19:36 dialing manager at 10.128.0.26:41463 2020/07/17 23:19:36 syscalls: 2944 2020/07/17 23:19:36 code coverage: enabled 2020/07/17 23:19:36 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled 2020/07/17 23:19:36 extra coverage: enabled 2020/07/17 23:19:36 setuid sandbox: enabled 2020/07/17 23:19:36 namespace sandbox: enabled 2020/07/17 23:19:36 Android sandbox: /sys/fs/selinux/policy does not exist 2020/07/17 23:19:36 fault injection: enabled 2020/07/17 23:19:36 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/07/17 23:19:36 net packet injection: enabled 2020/07/17 23:19:36 net device setup: enabled 2020/07/17 23:19:36 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/07/17 23:19:36 devlink PCI setup: PCI device 0000:00:10.0 is not available 2020/07/17 23:19:36 USB emulation: /dev/raw-gadget does not exist 23:22:17 executing program 0: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000340)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000002c0)=ANY=[@ANYBLOB="4800000010000507000000000000000008000000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="380000002400ffffff7f000000003c0005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=ANY=[@ANYBLOB="780400002c00270d00"/20, @ANYRES32=r3, @ANYBLOB="00000000000000000400000009000100727376700000000048040200440405"], 0x478}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x0) [ 313.596679][ T8491] IPVS: ftp: loaded support on port[0] = 21 [ 313.901340][ T8491] chnl_net:caif_netlink_parms(): no params data found [ 314.199947][ T8491] bridge0: port 1(bridge_slave_0) entered blocking state [ 314.208038][ T8491] bridge0: port 1(bridge_slave_0) entered disabled state [ 314.217653][ T8491] device bridge_slave_0 entered promiscuous mode [ 314.230923][ T8491] bridge0: port 2(bridge_slave_1) entered blocking state [ 314.238161][ T8491] bridge0: port 2(bridge_slave_1) entered disabled state [ 314.247593][ T8491] device bridge_slave_1 entered promiscuous mode [ 314.301962][ T8491] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 314.317671][ T8491] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 314.374890][ T8491] team0: Port device team_slave_0 added [ 314.388470][ T8491] team0: Port device team_slave_1 added [ 314.445322][ T8491] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 314.452581][ T8491] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 314.478766][ T8491] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 314.493533][ T8491] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 314.500777][ T8491] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 314.526980][ T8491] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 314.609059][ T8491] device hsr_slave_0 entered promiscuous mode [ 314.762471][ T8491] device hsr_slave_1 entered promiscuous mode [ 315.283112][ T8491] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 315.336174][ T8491] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 315.518679][ T8491] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 315.669482][ T8491] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 316.012599][ T8491] 8021q: adding VLAN 0 to HW filter on device bond0 [ 316.059899][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 316.069702][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 316.088827][ T8491] 8021q: adding VLAN 0 to HW filter on device team0 [ 316.115972][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 316.125456][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 316.135011][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 316.142271][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 316.201461][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 316.211259][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 316.221040][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 316.230457][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 316.237656][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 316.246606][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 316.257332][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 316.268143][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 316.278674][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 316.289086][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 316.299828][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 316.310069][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 316.319704][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 316.337591][ T3598] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 316.347378][ T3598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 316.357084][ T3598] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 316.375630][ T8491] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 316.460054][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 316.467832][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 316.494203][ T8491] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 316.545174][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 316.555653][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 316.600770][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 316.610529][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 316.630377][ T8491] device veth0_vlan entered promiscuous mode [ 316.638318][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 316.648437][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 316.678773][ T8491] device veth1_vlan entered promiscuous mode [ 316.745674][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 316.755321][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 316.765078][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 316.775156][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 316.815163][ T8491] device veth0_macvtap entered promiscuous mode [ 316.834011][ T8491] device veth1_macvtap entered promiscuous mode [ 316.887837][ T8491] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 316.896336][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 316.905867][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 316.915301][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 316.925344][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 316.969775][ T8491] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 317.010897][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 317.020824][ T32] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 317.147988][ T8695] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 317.163157][ T8695] netlink: 1088 bytes leftover after parsing attributes in process `syz-executor.0'. [ 317.180874][ T8695] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 317.197044][ T8697] netlink: 1088 bytes leftover after parsing attributes in process `syz-executor.0'. 23:22:21 executing program 0: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000340)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000002c0)=ANY=[@ANYBLOB="4800000010000507000000000000000008000000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="380000002400ffffff7f000000003c0005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=ANY=[@ANYBLOB="780400002c00270d00"/20, @ANYRES32=r3, @ANYBLOB="00000000000000000400000009000100727376700000000048040200440405"], 0x478}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x0) [ 317.399436][ T8702] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 317.439120][ T8702] netlink: 1088 bytes leftover after parsing attributes in process `syz-executor.0'. 23:22:21 executing program 0: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000340)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000002c0)=ANY=[@ANYBLOB="4800000010000507000000000000000008000000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="380000002400ffffff7f000000003c0005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=ANY=[@ANYBLOB="780400002c00270d00"/20, @ANYRES32=r3, @ANYBLOB="00000000000000000400000009000100727376700000000048040200440405"], 0x478}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x0) [ 317.664761][ T8705] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 317.684141][ T8705] netlink: 1088 bytes leftover after parsing attributes in process `syz-executor.0'. 23:22:21 executing program 0: r0 = socket(0x1000000010, 0x80002, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000340)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000002c0)=ANY=[@ANYBLOB="4800000010000507000000000000000008000000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="380000002400ffffff7f000000003c0005000000", @ANYRES32=r3, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000580)=ANY=[@ANYBLOB="780400002c00270d00"/20, @ANYRES32=r3, @ANYBLOB="00000000000000000400000009000100727376700000000048040200440405"], 0x478}}, 0x0) sendmmsg$alg(r0, &(0x7f0000000200), 0x10efe10675dec16, 0x0) [ 317.865304][ T8707] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 317.899753][ T8707] netlink: 1088 bytes leftover after parsing attributes in process `syz-executor.0'. 23:22:22 executing program 0: pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)="77690addcfbe1fbb66ec", 0xff3b}], 0x1, 0x1) close(r1) socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x11, 0x800000003, 0x0) bind(r2, &(0x7f0000000100)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r2, &(0x7f00000003c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000000)=0x14) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000180)=ANY=[@ANYBLOB="4000000024000b0f00"/20, @ANYRES32=r3, @ANYBLOB="00000000ffffffff0000000008000100657466"], 0x40}}, 0x0) splice(r0, 0x0, r1, 0x0, 0x10000, 0x0) 23:22:22 executing program 0: pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)="77690addcfbe1fbb66ec", 0xff3b}], 0x1, 0x1) close(r1) socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x11, 0x800000003, 0x0) bind(r2, &(0x7f0000000100)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r2, &(0x7f00000003c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000000)=0x14) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000180)=ANY=[@ANYBLOB="4000000024000b0f00"/20, @ANYRES32=r3, @ANYBLOB="00000000ffffffff0000000008000100657466"], 0x40}}, 0x0) splice(r0, 0x0, r1, 0x0, 0x10000, 0x0) 23:22:22 executing program 0: pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)="77690addcfbe1fbb66ec", 0xff3b}], 0x1, 0x1) close(r1) socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x11, 0x800000003, 0x0) bind(r2, &(0x7f0000000100)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r2, &(0x7f00000003c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000000)=0x14) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000180)=ANY=[@ANYBLOB="4000000024000b0f00"/20, @ANYRES32=r3, @ANYBLOB="00000000ffffffff0000000008000100657466"], 0x40}}, 0x0) splice(r0, 0x0, r1, 0x0, 0x10000, 0x0) 23:22:23 executing program 0: pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)="77690addcfbe1fbb66ec", 0xff3b}], 0x1, 0x1) close(r1) socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x11, 0x800000003, 0x0) bind(r2, &(0x7f0000000100)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r2, &(0x7f00000003c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000000)=0x14) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000180)=ANY=[@ANYBLOB="4000000024000b0f00"/20, @ANYRES32=r3, @ANYBLOB="00000000ffffffff0000000008000100657466"], 0x40}}, 0x0) splice(r0, 0x0, r1, 0x0, 0x10000, 0x0) 23:22:23 executing program 0: r0 = epoll_create1(0x0) r1 = epoll_create1(0x0) flock(r1, 0xfffffffffffffffe) flock(r0, 0x2) r2 = epoll_create1(0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x0, 0x0) dup3(r5, r2, 0x0) 23:22:23 executing program 0: r0 = epoll_create1(0x0) r1 = epoll_create1(0x0) flock(r1, 0xfffffffffffffffe) flock(r0, 0x2) r2 = epoll_create1(0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x0, 0x0) dup3(r5, r2, 0x0) 23:22:23 executing program 0: r0 = epoll_create1(0x0) r1 = epoll_create1(0x0) flock(r1, 0xfffffffffffffffe) flock(r0, 0x2) r2 = epoll_create1(0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x0, 0x0) dup3(r5, r2, 0x0) 23:22:23 executing program 0: r0 = epoll_create1(0x0) r1 = epoll_create1(0x0) flock(r1, 0xfffffffffffffffe) flock(r0, 0x2) r2 = epoll_create1(0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0x0, 0x0) dup3(r5, r2, 0x0) 23:22:23 executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) r1 = socket$inet_dccp(0x2, 0x6, 0x0) listen(r0, 0x6) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, &(0x7f0000e5c000)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x2e}}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') sendfile(r1, r2, 0x0, 0x100000edc3) [ 319.684197][ C1] ===================================================== [ 319.691193][ C1] BUG: KMSAN: uninit-value in dccp_v4_rcv+0x411/0x2720 [ 319.698065][ C1] CPU: 1 PID: 8737 Comm: syz-executor.0 Not tainted 5.8.0-rc5-syzkaller #0 [ 319.706652][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.716712][ C1] Call Trace: [ 319.720004][ C1] [ 319.722874][ C1] dump_stack+0x1df/0x240 [ 319.727230][ C1] kmsan_report+0xf7/0x1e0 [ 319.731671][ C1] __msan_warning+0x58/0xa0 [ 319.736185][ C1] dccp_v4_rcv+0x411/0x2720 [ 319.740750][ C1] ? ipv4_confirm+0x31f/0x3f0 [ 319.745471][ C1] ? kmsan_get_metadata+0x11d/0x180 [ 319.750805][ C1] ? kmsan_get_metadata+0x11d/0x180 [ 319.756018][ C1] ? local_bh_enable+0x40/0x40 [ 319.760791][ C1] ip_protocol_deliver_rcu+0x700/0xbc0 [ 319.766278][ C1] ip_local_deliver+0x62a/0x7c0 [ 319.771159][ C1] ? ip_local_deliver+0x7c0/0x7c0 [ 319.776195][ C1] ? ip_protocol_deliver_rcu+0xbc0/0xbc0 [ 319.781840][ C1] ip_rcv+0x6cf/0x750 [ 319.785846][ C1] ? ip_rcv_core+0x12c0/0x12c0 [ 319.790621][ C1] ? ip_local_deliver_finish+0x350/0x350 [ 319.796265][ C1] process_backlog+0xfb5/0x14e0 [ 319.801165][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 319.806467][ C1] net_rx_action+0x746/0x1aa0 [ 319.811183][ C1] ? net_tx_action+0xc40/0xc40 [ 319.815966][ C1] __do_softirq+0x311/0x83d [ 319.820499][ C1] asm_call_on_stack+0x12/0x20 [ 319.825261][ C1] [ 319.828211][ C1] do_softirq_own_stack+0x7c/0xa0 [ 319.833245][ C1] __local_bh_enable_ip+0x184/0x1d0 [ 319.838466][ C1] local_bh_enable+0x36/0x40 [ 319.843084][ C1] ip_finish_output2+0x1fee/0x24a0 [ 319.848203][ C1] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 319.854284][ C1] ? nf_ct_deliver_cached_events+0x511/0x6c0 [ 319.860305][ C1] __ip_finish_output+0xaa7/0xd80 [ 319.865365][ C1] ip_finish_output+0x166/0x410 [ 319.870241][ C1] ip_output+0x593/0x680 [ 319.874602][ C1] ? ip_mc_finish_output+0x6c0/0x6c0 [ 319.879896][ C1] ? ip_finish_output+0x410/0x410 [ 319.884960][ C1] __ip_queue_xmit+0x1b5c/0x21a0 [ 319.889936][ C1] ? kmsan_get_metadata+0x11d/0x180 [ 319.895151][ C1] ip_queue_xmit+0xcc/0xf0 [ 319.899581][ C1] ? dccp_v4_init_sock+0x150/0x150 [ 319.904701][ C1] dccp_transmit_skb+0x12ee/0x1600 [ 319.910024][ C1] dccp_xmit_packet+0x801/0x9b0 [ 319.914903][ C1] dccp_write_xmit+0x262/0x420 [ 319.919688][ C1] dccp_sendmsg+0x12d1/0x12e0 [ 319.924405][ C1] ? udp_cmsg_send+0x5d0/0x5d0 [ 319.929183][ C1] ? compat_dccp_getsockopt+0x190/0x190 [ 319.934738][ C1] inet_sendmsg+0x2d8/0x2e0 [ 319.939260][ C1] ? inet_send_prepare+0x600/0x600 [ 319.944379][ C1] kernel_sendmsg+0x384/0x440 [ 319.949095][ C1] sock_no_sendpage+0x235/0x300 [ 319.953984][ C1] ? sock_no_mmap+0x30/0x30 [ 319.958507][ C1] sock_sendpage+0x1e1/0x2c0 [ 319.963129][ C1] pipe_to_sendpage+0x38c/0x4c0 [ 319.967991][ C1] ? sock_fasync+0x250/0x250 [ 319.972611][ C1] __splice_from_pipe+0x565/0xf00 [ 319.977650][ C1] ? generic_splice_sendpage+0x2d0/0x2d0 [ 319.983328][ C1] generic_splice_sendpage+0x1d5/0x2d0 [ 319.988817][ C1] ? iter_file_splice_write+0x1800/0x1800 [ 319.994546][ C1] direct_splice_actor+0x1fd/0x580 [ 319.999687][ C1] ? kmsan_get_metadata+0x4f/0x180 [ 320.004818][ C1] splice_direct_to_actor+0x6b2/0xf50 [ 320.010199][ C1] ? do_splice_direct+0x580/0x580 [ 320.015287][ C1] do_splice_direct+0x342/0x580 [ 320.020175][ C1] do_sendfile+0x101b/0x1d40 [ 320.024846][ C1] __se_sys_sendfile64+0x2bb/0x360 [ 320.029973][ C1] ? kmsan_get_metadata+0x4f/0x180 [ 320.035104][ C1] __x64_sys_sendfile64+0x56/0x70 [ 320.040147][ C1] do_syscall_64+0xb0/0x150 [ 320.044668][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 320.050652][ C1] RIP: 0033:0x45c1d9 [ 320.054539][ C1] Code: Bad RIP value. [ 320.058607][ C1] RSP: 002b:00007fdbcdcb6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 320.067026][ C1] RAX: ffffffffffffffda RBX: 0000000000025a00 RCX: 000000000045c1d9 [ 320.074998][ C1] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 320.082971][ C1] RBP: 000000000078bf48 R08: 0000000000000000 R09: 0000000000000000 [ 320.090945][ C1] R10: 000000100000edc3 R11: 0000000000000246 R12: 000000000078bf0c [ 320.098918][ C1] R13: 0000000000c9fb6f R14: 00007fdbcdcb79c0 R15: 000000000078bf0c [ 320.106999][ C1] [ 320.109328][ C1] Uninit was stored to memory at: [ 320.114383][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 320.120112][ C1] __msan_chain_origin+0x50/0x90 [ 320.125053][ C1] dccp_invalid_packet+0xc59/0xee0 [ 320.130166][ C1] dccp_v4_rcv+0x50/0x2720 [ 320.134587][ C1] ip_protocol_deliver_rcu+0x700/0xbc0 [ 320.140051][ C1] ip_local_deliver+0x62a/0x7c0 [ 320.144905][ C1] ip_rcv+0x6cf/0x750 [ 320.148894][ C1] process_backlog+0xfb5/0x14e0 [ 320.153749][ C1] net_rx_action+0x746/0x1aa0 [ 320.158435][ C1] __do_softirq+0x311/0x83d [ 320.162928][ C1] [ 320.165254][ C1] Uninit was stored to memory at: [ 320.170287][ C1] kmsan_internal_chain_origin+0xad/0x130 [ 320.176016][ C1] kmsan_memcpy_memmove_metadata+0x272/0x2e0 [ 320.182001][ C1] kmsan_memcpy_metadata+0xb/0x10 [ 320.187027][ C1] __msan_memcpy+0x43/0x50 [ 320.191457][ C1] _copy_from_iter_full+0xbfe/0x13b0 [ 320.196745][ C1] dccp_sendmsg+0x932/0x12e0 [ 320.201341][ C1] inet_sendmsg+0x2d8/0x2e0 [ 320.205850][ C1] kernel_sendmsg+0x384/0x440 [ 320.210534][ C1] sock_no_sendpage+0x235/0x300 [ 320.215395][ C1] sock_sendpage+0x1e1/0x2c0 [ 320.219997][ C1] pipe_to_sendpage+0x38c/0x4c0 [ 320.224853][ C1] __splice_from_pipe+0x565/0xf00 [ 320.229882][ C1] generic_splice_sendpage+0x1d5/0x2d0 [ 320.235344][ C1] direct_splice_actor+0x1fd/0x580 [ 320.240461][ C1] splice_direct_to_actor+0x6b2/0xf50 [ 320.247322][ C1] do_splice_direct+0x342/0x580 [ 320.252183][ C1] do_sendfile+0x101b/0x1d40 [ 320.256795][ C1] __se_sys_sendfile64+0x2bb/0x360 [ 320.261911][ C1] __x64_sys_sendfile64+0x56/0x70 [ 320.266941][ C1] do_syscall_64+0xb0/0x150 [ 320.271458][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 320.277343][ C1] [ 320.279664][ C1] Uninit was created at: [ 320.283920][ C1] kmsan_save_stack_with_flags+0x3c/0x90 [ 320.289559][ C1] kmsan_alloc_page+0xb9/0x180 [ 320.294329][ C1] __alloc_pages_nodemask+0x56a2/0x5dc0 [ 320.299880][ C1] alloc_pages_current+0x672/0x990 [ 320.305002][ C1] push_pipe+0x605/0xb70 [ 320.309257][ C1] iov_iter_get_pages_alloc+0x18a9/0x21c0 [ 320.314995][ C1] do_splice_to+0x4fc/0x14f0 [ 320.319591][ C1] splice_direct_to_actor+0x45c/0xf50 [ 320.324967][ C1] do_splice_direct+0x342/0x580 [ 320.329823][ C1] do_sendfile+0x101b/0x1d40 [ 320.334435][ C1] __se_sys_sendfile64+0x2bb/0x360 [ 320.339548][ C1] __x64_sys_sendfile64+0x56/0x70 [ 320.344580][ C1] do_syscall_64+0xb0/0x150 [ 320.349089][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 320.354972][ C1] ===================================================== [ 320.361905][ C1] Disabling lock debugging due to kernel taint [ 320.368062][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 320.374666][ C1] CPU: 1 PID: 8737 Comm: syz-executor.0 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 320.384640][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.394699][ C1] Call Trace: [ 320.397993][ C1] [ 320.400860][ C1] dump_stack+0x1df/0x240 [ 320.405212][ C1] panic+0x3d5/0xc3e [ 320.409154][ C1] kmsan_report+0x1df/0x1e0 [ 320.413679][ C1] __msan_warning+0x58/0xa0 [ 320.418201][ C1] dccp_v4_rcv+0x411/0x2720 [ 320.422737][ C1] ? ipv4_confirm+0x31f/0x3f0 [ 320.427432][ C1] ? kmsan_get_metadata+0x11d/0x180 [ 320.432636][ C1] ? kmsan_get_metadata+0x11d/0x180 [ 320.437852][ C1] ? local_bh_enable+0x40/0x40 [ 320.442625][ C1] ip_protocol_deliver_rcu+0x700/0xbc0 [ 320.448104][ C1] ip_local_deliver+0x62a/0x7c0 [ 320.452982][ C1] ? ip_local_deliver+0x7c0/0x7c0 [ 320.458013][ C1] ? ip_protocol_deliver_rcu+0xbc0/0xbc0 [ 320.463683][ C1] ip_rcv+0x6cf/0x750 [ 320.467684][ C1] ? ip_rcv_core+0x12c0/0x12c0 [ 320.472450][ C1] ? ip_local_deliver_finish+0x350/0x350 [ 320.478090][ C1] process_backlog+0xfb5/0x14e0 [ 320.482986][ C1] ? rps_trigger_softirq+0x2e0/0x2e0 [ 320.488289][ C1] net_rx_action+0x746/0x1aa0 [ 320.493004][ C1] ? net_tx_action+0xc40/0xc40 [ 320.497776][ C1] __do_softirq+0x311/0x83d [ 320.502320][ C1] asm_call_on_stack+0x12/0x20 [ 320.507074][ C1] [ 320.510018][ C1] do_softirq_own_stack+0x7c/0xa0 [ 320.515046][ C1] __local_bh_enable_ip+0x184/0x1d0 [ 320.520257][ C1] local_bh_enable+0x36/0x40 [ 320.524856][ C1] ip_finish_output2+0x1fee/0x24a0 [ 320.529974][ C1] ? __msan_metadata_ptr_for_load_2+0x10/0x20 [ 320.536057][ C1] ? nf_ct_deliver_cached_events+0x511/0x6c0 [ 320.542089][ C1] __ip_finish_output+0xaa7/0xd80 [ 320.547152][ C1] ip_finish_output+0x166/0x410 [ 320.552027][ C1] ip_output+0x593/0x680 [ 320.556296][ C1] ? ip_mc_finish_output+0x6c0/0x6c0 [ 320.561605][ C1] ? ip_finish_output+0x410/0x410 [ 320.566643][ C1] __ip_queue_xmit+0x1b5c/0x21a0 [ 320.571617][ C1] ? kmsan_get_metadata+0x11d/0x180 [ 320.576827][ C1] ip_queue_xmit+0xcc/0xf0 [ 320.581253][ C1] ? dccp_v4_init_sock+0x150/0x150 [ 320.586367][ C1] dccp_transmit_skb+0x12ee/0x1600 [ 320.591519][ C1] dccp_xmit_packet+0x801/0x9b0 [ 320.596392][ C1] dccp_write_xmit+0x262/0x420 [ 320.601169][ C1] dccp_sendmsg+0x12d1/0x12e0 [ 320.605881][ C1] ? udp_cmsg_send+0x5d0/0x5d0 [ 320.610650][ C1] ? compat_dccp_getsockopt+0x190/0x190 [ 320.616216][ C1] inet_sendmsg+0x2d8/0x2e0 [ 320.620740][ C1] ? inet_send_prepare+0x600/0x600 [ 320.625850][ C1] kernel_sendmsg+0x384/0x440 [ 320.630551][ C1] sock_no_sendpage+0x235/0x300 [ 320.635427][ C1] ? sock_no_mmap+0x30/0x30 [ 320.639939][ C1] sock_sendpage+0x1e1/0x2c0 [ 320.644556][ C1] pipe_to_sendpage+0x38c/0x4c0 [ 320.649411][ C1] ? sock_fasync+0x250/0x250 [ 320.654023][ C1] __splice_from_pipe+0x565/0xf00 [ 320.659054][ C1] ? generic_splice_sendpage+0x2d0/0x2d0 [ 320.664741][ C1] generic_splice_sendpage+0x1d5/0x2d0 [ 320.670362][ C1] ? iter_file_splice_write+0x1800/0x1800 [ 320.676091][ C1] direct_splice_actor+0x1fd/0x580 [ 320.681232][ C1] ? kmsan_get_metadata+0x4f/0x180 [ 320.686366][ C1] splice_direct_to_actor+0x6b2/0xf50 [ 320.691753][ C1] ? do_splice_direct+0x580/0x580 [ 320.696827][ C1] do_splice_direct+0x342/0x580 [ 320.701721][ C1] do_sendfile+0x101b/0x1d40 [ 320.706383][ C1] __se_sys_sendfile64+0x2bb/0x360 [ 320.711502][ C1] ? kmsan_get_metadata+0x4f/0x180 [ 320.716639][ C1] __x64_sys_sendfile64+0x56/0x70 [ 320.721671][ C1] do_syscall_64+0xb0/0x150 [ 320.726183][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 320.732071][ C1] RIP: 0033:0x45c1d9 [ 320.735952][ C1] Code: Bad RIP value. [ 320.740183][ C1] RSP: 002b:00007fdbcdcb6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 320.748596][ C1] RAX: ffffffffffffffda RBX: 0000000000025a00 RCX: 000000000045c1d9 [ 320.756571][ C1] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 320.764546][ C1] RBP: 000000000078bf48 R08: 0000000000000000 R09: 0000000000000000 [ 320.772523][ C1] R10: 000000100000edc3 R11: 0000000000000246 R12: 000000000078bf0c [ 320.780675][ C1] R13: 0000000000c9fb6f R14: 00007fdbcdcb79c0 R15: 000000000078bf0c [ 320.789706][ C1] Kernel Offset: 0x1de00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 320.801331][ C1] Rebooting in 86400 seconds..