Extracting prog: 25.700836278s Minimizing prog: 21m26.864235427s Simplifying prog options: 0s Extracting C: 52.643564356s Simplifying C: 8m22.449275937s extracting reproducer from 44 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2-socket$inet_tcp-splice-shutdown-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-ioctl$EXT4_IOC_CLEAR_ES_CACHE-socket$inet_tcp-bind$inet-listen-socket$inet_tcp-connect$inet-accept4-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-sendmsg$nl_xfrm-socket$tipc detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) r3 = socket$nl_xfrm(0x10, 0x3, 0x6) r4 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r4, 0x16, &(0x7f0000000440)={0x0}, 0x1) r5 = socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) splice(r5, 0x0, r6, 0x0, 0x2, 0x0) shutdown(r5, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000740)={0x11, 0x4, &(0x7f0000000800)=ANY=[@ANYBLOB="18000000000700"/19], &(0x7f0000000840)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x5}, 0x94) ioctl$EXT4_IOC_CLEAR_ES_CACHE(r5, 0x6628) r7 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r7, &(0x7f0000000040)={0x2, 0x15, @loopback}, 0x10) listen(r7, 0x5) r8 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r8, &(0x7f0000000080)={0x2, 0x15, @loopback}, 0x10) accept4(r7, 0x0, 0x0, 0x0) r9 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000100)={0x1, &(0x7f0000000140)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) close_range(r9, 0xffffffffffffffff, 0x0) sendmsg$nl_xfrm(r3, &(0x7f00000004c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000700)=ANY=[@ANYBLOB="500000002700010000000000000000000a0001000000"], 0x50}, 0x1, 0x0, 0x0, 0x2000c0c0}, 0x40000) socket$tipc(0x1e, 0x5, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release single: successfully extracted reproducer found reproducer with 30 syscalls minimizing guilty program testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2-socket$inet_tcp-splice-shutdown-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-ioctl$EXT4_IOC_CLEAR_ES_CACHE-socket$inet_tcp-bind$inet-listen-socket$inet_tcp-connect$inet-accept4-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range-sendmsg$nl_xfrm detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) r3 = socket$nl_xfrm(0x10, 0x3, 0x6) r4 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r4, 0x16, &(0x7f0000000440)={0x0}, 0x1) r5 = socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) splice(r5, 0x0, r6, 0x0, 0x2, 0x0) shutdown(r5, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000740)={0x11, 0x4, &(0x7f0000000800)=ANY=[@ANYBLOB="18000000000700"/19], &(0x7f0000000840)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x5}, 0x94) ioctl$EXT4_IOC_CLEAR_ES_CACHE(r5, 0x6628) r7 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r7, &(0x7f0000000040)={0x2, 0x15, @loopback}, 0x10) listen(r7, 0x5) r8 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r8, &(0x7f0000000080)={0x2, 0x15, @loopback}, 0x10) accept4(r7, 0x0, 0x0, 0x0) r9 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000100)={0x1, &(0x7f0000000140)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) close_range(r9, 0xffffffffffffffff, 0x0) sendmsg$nl_xfrm(r3, &(0x7f00000004c0)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000700)=ANY=[@ANYBLOB="500000002700010000000000000000000a0001000000"], 0x50}, 0x1, 0x0, 0x0, 0x2000c0c0}, 0x40000) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2-socket$inet_tcp-splice-shutdown-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-ioctl$EXT4_IOC_CLEAR_ES_CACHE-socket$inet_tcp-bind$inet-listen-socket$inet_tcp-connect$inet-accept4-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-close_range detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) r4 = socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) splice(r4, 0x0, r5, 0x0, 0x2, 0x0) shutdown(r4, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000740)={0x11, 0x4, &(0x7f0000000800)=ANY=[@ANYBLOB="18000000000700"/19], &(0x7f0000000840)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x5}, 0x94) ioctl$EXT4_IOC_CLEAR_ES_CACHE(r4, 0x6628) r6 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r6, &(0x7f0000000040)={0x2, 0x15, @loopback}, 0x10) listen(r6, 0x5) r7 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r7, &(0x7f0000000080)={0x2, 0x15, @loopback}, 0x10) accept4(r6, 0x0, 0x0, 0x0) r8 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000100)={0x1, &(0x7f0000000140)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) close_range(r8, 0xffffffffffffffff, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2-socket$inet_tcp-splice-shutdown-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-ioctl$EXT4_IOC_CLEAR_ES_CACHE-socket$inet_tcp-bind$inet-listen-socket$inet_tcp-connect$inet-accept4-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) r4 = socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) splice(r4, 0x0, r5, 0x0, 0x2, 0x0) shutdown(r4, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000740)={0x11, 0x4, &(0x7f0000000800)=ANY=[@ANYBLOB="18000000000700"/19], &(0x7f0000000840)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x5}, 0x94) ioctl$EXT4_IOC_CLEAR_ES_CACHE(r4, 0x6628) r6 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r6, &(0x7f0000000040)={0x2, 0x15, @loopback}, 0x10) listen(r6, 0x5) r7 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r7, &(0x7f0000000080)={0x2, 0x15, @loopback}, 0x10) accept4(r6, 0x0, 0x0, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000100)={0x1, &(0x7f0000000140)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2-socket$inet_tcp-splice-shutdown-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-ioctl$EXT4_IOC_CLEAR_ES_CACHE-socket$inet_tcp-bind$inet-listen-socket$inet_tcp-connect$inet-accept4 detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) r4 = socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) splice(r4, 0x0, r5, 0x0, 0x2, 0x0) shutdown(r4, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000740)={0x11, 0x4, &(0x7f0000000800)=ANY=[@ANYBLOB="18000000000700"/19], &(0x7f0000000840)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x5}, 0x94) ioctl$EXT4_IOC_CLEAR_ES_CACHE(r4, 0x6628) r6 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r6, &(0x7f0000000040)={0x2, 0x15, @loopback}, 0x10) listen(r6, 0x5) r7 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r7, &(0x7f0000000080)={0x2, 0x15, @loopback}, 0x10) accept4(r6, 0x0, 0x0, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2-socket$inet_tcp-splice-shutdown-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-ioctl$EXT4_IOC_CLEAR_ES_CACHE-socket$inet_tcp-bind$inet-listen-socket$inet_tcp-connect$inet detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) r4 = socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) splice(r4, 0x0, r5, 0x0, 0x2, 0x0) shutdown(r4, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000740)={0x11, 0x4, &(0x7f0000000800)=ANY=[@ANYBLOB="18000000000700"/19], &(0x7f0000000840)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x5}, 0x94) ioctl$EXT4_IOC_CLEAR_ES_CACHE(r4, 0x6628) r6 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r6, &(0x7f0000000040)={0x2, 0x15, @loopback}, 0x10) listen(r6, 0x5) r7 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r7, &(0x7f0000000080)={0x2, 0x15, @loopback}, 0x10) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2-socket$inet_tcp-splice-shutdown-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-ioctl$EXT4_IOC_CLEAR_ES_CACHE-socket$inet_tcp-bind$inet-listen-socket$inet_tcp detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) r4 = socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) splice(r4, 0x0, r5, 0x0, 0x2, 0x0) shutdown(r4, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000740)={0x11, 0x4, &(0x7f0000000800)=ANY=[@ANYBLOB="18000000000700"/19], &(0x7f0000000840)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x5}, 0x94) ioctl$EXT4_IOC_CLEAR_ES_CACHE(r4, 0x6628) r6 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r6, &(0x7f0000000040)={0x2, 0x15, @loopback}, 0x10) listen(r6, 0x5) socket$inet_tcp(0x2, 0x1, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2-socket$inet_tcp-splice-shutdown-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-ioctl$EXT4_IOC_CLEAR_ES_CACHE-socket$inet_tcp-bind$inet-listen detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) r4 = socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) splice(r4, 0x0, r5, 0x0, 0x2, 0x0) shutdown(r4, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000740)={0x11, 0x4, &(0x7f0000000800)=ANY=[@ANYBLOB="18000000000700"/19], &(0x7f0000000840)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x5}, 0x94) ioctl$EXT4_IOC_CLEAR_ES_CACHE(r4, 0x6628) r6 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r6, &(0x7f0000000040)={0x2, 0x15, @loopback}, 0x10) listen(r6, 0x5) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2-socket$inet_tcp-splice-shutdown-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-ioctl$EXT4_IOC_CLEAR_ES_CACHE-socket$inet_tcp-bind$inet detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) r4 = socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) splice(r4, 0x0, r5, 0x0, 0x2, 0x0) shutdown(r4, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000740)={0x11, 0x4, &(0x7f0000000800)=ANY=[@ANYBLOB="18000000000700"/19], &(0x7f0000000840)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x5}, 0x94) ioctl$EXT4_IOC_CLEAR_ES_CACHE(r4, 0x6628) r6 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r6, &(0x7f0000000040)={0x2, 0x15, @loopback}, 0x10) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2-socket$inet_tcp-splice-shutdown-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-ioctl$EXT4_IOC_CLEAR_ES_CACHE-socket$inet_tcp detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) r4 = socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) splice(r4, 0x0, r5, 0x0, 0x2, 0x0) shutdown(r4, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000740)={0x11, 0x4, &(0x7f0000000800)=ANY=[@ANYBLOB="18000000000700"/19], &(0x7f0000000840)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x5}, 0x94) ioctl$EXT4_IOC_CLEAR_ES_CACHE(r4, 0x6628) socket$inet_tcp(0x2, 0x1, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2-socket$inet_tcp-splice-shutdown-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-ioctl$EXT4_IOC_CLEAR_ES_CACHE detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) r4 = socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) splice(r4, 0x0, r5, 0x0, 0x2, 0x0) shutdown(r4, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000740)={0x11, 0x4, &(0x7f0000000800)=ANY=[@ANYBLOB="18000000000700"/19], &(0x7f0000000840)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x5}, 0x94) ioctl$EXT4_IOC_CLEAR_ES_CACHE(r4, 0x6628) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2-socket$inet_tcp-splice-shutdown-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) r4 = socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) splice(r4, 0x0, r5, 0x0, 0x2, 0x0) shutdown(r4, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000740)={0x11, 0x4, &(0x7f0000000800)=ANY=[@ANYBLOB="18000000000700"/19], &(0x7f0000000840)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x5}, 0x94) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2-socket$inet_tcp-splice-shutdown detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) r4 = socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) splice(r4, 0x0, r5, 0x0, 0x2, 0x0) shutdown(r4, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2-socket$inet_tcp-splice detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) r4 = socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) splice(r4, 0x0, r5, 0x0, 0x2, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2-socket$inet_tcp detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180), 0x0) socket$inet_tcp(0x2, 0x1, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6-pipe2 detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) socket$inet6(0xa, 0x3, 0x4) pipe2(&(0x7f0000000180), 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING-socket$inet6 detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) socket$inet6(0xa, 0x3, 0x4) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup-io_uring_register$IORING_REGISTER_PBUF_RING detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) r3 = io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) io_uring_register$IORING_REGISTER_PBUF_RING(r3, 0x16, &(0x7f0000000440)={0x0}, 0x1) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm-io_uring_setup detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) io_uring_setup(0x2e71, &(0x7f00000003c0)={0x0, 0x6fb4, 0x400, 0x3, 0x131}) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg-socket$nl_xfrm detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched-sendmmsg detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) sendmmsg(r0, &(0x7f0000004380)=[{{0x0, 0x0, 0x0}}], 0x34000, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000580)=@newtaction={0xd4, 0x30, 0x100, 0x0, 0x25dfdbbc, {}, [{0xc0, 0x1, [@m_gact={0xbc, 0x1, 0x0, 0x0, {{0x9}, {0x28, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x9, 0x7571e7b2, 0x2, 0x100, 0x7}}, @TCA_GACT_PROB={0xc, 0x3, {0x0, 0x1e4e, 0x3}}]}, {0x6a, 0x6, "6cb76b5240e908af41f967b9acfc3e3245c58acc0a9cef804591b5346c70222d6208f4922894511196f785db81e733f6bf173ed2419b40fdb67895e1c172662d821c616d7d53cb803c49686d8b38e19d0378494cef597f31bc2b560d727d1f71cfaf06ec4ec6"}, {0xc, 0x7, {0x1}}, {0xc}}}]}]}, 0xd4}, 0x1, 0x0, 0x0, 0x40408c1}, 0x0) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ-socket$nl_route detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) socket$nl_route(0x10, 0x3, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp-ioctl$sock_SIOCOUTQ detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-connect$pppl2tp detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-bind$inet-ioctl$sock_SIOCOUTQ detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x14}}, 0x10) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$pppl2tp-connect$pppl2tp-ioctl$sock_SIOCOUTQ detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$pppl2tp(0x18, 0x1, 0x1) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-bpf$BPF_PROG_ATTACH-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) bpf$BPF_PROG_ATTACH(0x8, &(0x7f0000000380)=ANY=[@ANYBLOB="015ee0"], 0x20) r0 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(0xffffffffffffffff, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(0xffffffffffffffff, 0x5411, &(0x7f0000000000)) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$BLKZEROOUT-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ detailed listing: executing program 0: ioctl$BLKZEROOUT(0xffffffffffffffff, 0x127f, 0x0) r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) program crashed: KASAN: use-after-free Write in pppol2tp_release testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, 0x0, 0x0) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, 0x0) program crashed: KASAN: use-after-free Write in pppol2tp_release extracting C reproducer testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ program crashed: KASAN: use-after-free Write in pppol2tp_release simplifying C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ program crashed: KASAN: use-after-free Write in pppol2tp_release testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, 0x0) program crashed: KASAN: use-after-free Read in pppol2tp_sock_to_session validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, 0x0) program crashed: KASAN: use-after-free Read in rcu_cblist_dequeue validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-ioctl$sock_SIOCOUTQ detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000240)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x5, 0x0, 0x4, 0x0, {0xa, 0x0, 0x2, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}}}, 0x32) ioctl$sock_SIOCOUTQ(r0, 0x5411, 0x0) program crashed: KASAN: use-after-free Write in rcu_segcblist_enqueue validation run: crashed=true reproducing took 34m31.894222995s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in rcu_segcblist_enqueue+0x62/0xb0 kernel/rcu/rcu_segcblist.c:345 Write of size 8 at addr ffff88812a9c0190 by task syz.2.17/372 CPU: 1 PID: 372 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 print_address_description+0x71/0x200 mm/kasan/report.c:316 print_report+0x4a/0x60 mm/kasan/report.c:420 kasan_report+0x122/0x150 mm/kasan/report.c:524 __asan_report_store8_noabort+0x17/0x20 mm/kasan/report_generic.c:356 rcu_segcblist_enqueue+0x62/0xb0 kernel/rcu/rcu_segcblist.c:345 __call_rcu_common kernel/rcu/tree.c:2827 [inline] call_rcu+0x554/0xf50 kernel/rcu/tree.c:2926 pppol2tp_release+0x1e3/0x2b0 net/l2tp/l2tp_ppp.c:446 __sock_release net/socket.c:652 [inline] sock_close+0xc9/0x220 net/socket.c:1390 __fput+0x1fd/0x8f0 fs/file_table.c:320 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x1e1/0x250 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f1236f9e1d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdc0321238 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffdc0321320 RCX: 00007f1236f9e1d9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000008c07 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32d20000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1237225fac R14: 00007f1237225fa8 R15: 00007f1237225fa0 Allocated by task 372: kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:53 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:380 [inline] __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389 kasan_kmalloc include/linux/kasan.h:212 [inline] __do_kmalloc_node mm/slab_common.c:938 [inline] __kmalloc+0xb4/0x1e0 mm/slab_common.c:951 kmalloc include/linux/slab.h:568 [inline] kzalloc include/linux/slab.h:699 [inline] l2tp_session_create+0x38/0xbd0 net/l2tp/l2tp_core.c:1614 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:771 __sys_connect_file net/socket.c:2001 [inline] __sys_connect+0x3da/0x460 net/socket.c:2018 __do_sys_connect net/socket.c:2028 [inline] __se_sys_connect net/socket.c:2025 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2025 x64_sys_call+0x88d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 Freed by task 347: kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:53 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:242 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:250 kasan_slab_free include/linux/kasan.h:178 [inline] slab_free_hook mm/slub.c:1750 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776 slab_free mm/slub.c:3712 [inline] __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728 kfree+0x6f/0xf0 mm/slab_common.c:990 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline] l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193 l2tp_session_delete+0x3df/0x4d0 net/l2tp/l2tp_core.c:1587 l2tp_tunnel_closeall net/l2tp/l2tp_core.c:1233 [inline] l2tp_tunnel_del_work+0x199/0x410 net/l2tp/l2tp_core.c:1271 process_one_work+0x717/0xc30 kernel/workqueue.c:2302 worker_thread+0xa4d/0x11d0 kernel/workqueue.c:2449 kthread+0x281/0x320 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Last potentially related work creation: kasan_save_stack+0x3a/0x60 mm/kasan/common.c:46 __kasan_record_aux_stack+0xb6/0xc0 mm/kasan/generic.c:486 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496 __call_rcu_common kernel/rcu/tree.c:2807 [inline] call_rcu+0xcf/0xf50 kernel/rcu/tree.c:2926 pppol2tp_release+0x1e3/0x2b0 net/l2tp/l2tp_ppp.c:446 __sock_release net/socket.c:652 [inline] sock_close+0xc9/0x220 net/socket.c:1390 __fput+0x1fd/0x8f0 fs/file_table.c:320 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x1e1/0x250 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 The buggy address belongs to the object at ffff88812a9c0000 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 400 bytes inside of 512-byte region [ffff88812a9c0000, ffff88812a9c0200) The buggy address belongs to the physical page: page:ffffea0004aa7000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12a9c0 head:ffffea0004aa7000 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 8, tgid 8 (kworker/u4:0), ts 35865707089, free_ts 35200267939 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2673 prep_new_page+0x1c/0x110 mm/page_alloc.c:2680 get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4587 __alloc_pages+0x1fa/0x610 mm/page_alloc.c:5931 alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1 allocate_slab mm/slub.c:1967 [inline] new_slab+0x98/0x3e0 mm/slub.c:2020 ___slab_alloc+0x70f/0xb70 mm/slub.c:3177 __slab_alloc+0x5e/0xa0 mm/slub.c:3263 slab_alloc_node mm/slub.c:3348 [inline] __kmem_cache_alloc_node+0x204/0x2d0 mm/slub.c:3423 __do_kmalloc_node mm/slab_common.c:937 [inline] __kmalloc_node_track_caller+0xa1/0x1e0 mm/slab_common.c:958 kmalloc_reserve net/core/skbuff.c:449 [inline] __alloc_skb+0x226/0x4a0 net/core/skbuff.c:518 alloc_skb include/linux/skbuff.h:1322 [inline] nlmsg_new include/net/netlink.h:987 [inline] inet_netconf_notify_devconf+0x169/0x220 net/ipv4/devinet.c:2128 __devinet_sysctl_unregister net/ipv4/devinet.c:2639 [inline] devinet_exit_net+0x10e/0x220 net/ipv4/devinet.c:2778 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x5b0/0xb10 net/core/net_namespace.c:604 process_one_work+0x717/0xc30 kernel/workqueue.c:2302 worker_thread+0xa4d/0x11d0 kernel/workqueue.c:2449 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1581 [inline] free_pcp_prepare mm/page_alloc.c:1655 [inline] free_unref_page_prepare+0x81b/0x820 mm/page_alloc.c:3622 free_unref_page+0x93/0x530 mm/page_alloc.c:3720 free_the_page mm/page_alloc.c:863 [inline] __free_pages+0x67/0x100 mm/page_alloc.c:6021 __vunmap+0xa3c/0xc00 mm/vmalloc.c:2739 __vfree mm/vmalloc.c:2788 [inline] vfree+0x61/0x90 mm/vmalloc.c:2819 kcov_put kernel/kcov.c:437 [inline] kcov_close+0x2b/0x50 kernel/kcov.c:533 __fput+0x1fd/0x8f0 fs/file_table.c:320 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x1e1/0x250 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0xb0d/0x29f0 kernel/exit.c:896 do_group_exit+0x21b/0x2e0 kernel/exit.c:1040 get_signal+0x167c/0x1700 kernel/signal.c:2904 arch_do_signal_or_restart+0xd1/0x11c0 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x7a/0xb0 kernel/entry/common.c:174 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303 Memory state around the buggy address: ffff88812a9c0080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88812a9c0100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88812a9c0180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88812a9c0200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88812a9c0280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in rcu_segcblist_enqueue+0x62/0xb0 kernel/rcu/rcu_segcblist.c:345 Write of size 8 at addr ffff88812a9c0190 by task syz.2.17/372 CPU: 1 PID: 372 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 print_address_description+0x71/0x200 mm/kasan/report.c:316 print_report+0x4a/0x60 mm/kasan/report.c:420 kasan_report+0x122/0x150 mm/kasan/report.c:524 __asan_report_store8_noabort+0x17/0x20 mm/kasan/report_generic.c:356 rcu_segcblist_enqueue+0x62/0xb0 kernel/rcu/rcu_segcblist.c:345 __call_rcu_common kernel/rcu/tree.c:2827 [inline] call_rcu+0x554/0xf50 kernel/rcu/tree.c:2926 pppol2tp_release+0x1e3/0x2b0 net/l2tp/l2tp_ppp.c:446 __sock_release net/socket.c:652 [inline] sock_close+0xc9/0x220 net/socket.c:1390 __fput+0x1fd/0x8f0 fs/file_table.c:320 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x1e1/0x250 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f1236f9e1d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdc0321238 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007ffdc0321320 RCX: 00007f1236f9e1d9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000008c07 R08: 0000000000000001 R09: 0000000000000000 R10: 0000001b32d20000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1237225fac R14: 00007f1237225fa8 R15: 00007f1237225fa0 Allocated by task 372: kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:53 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:380 [inline] __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389 kasan_kmalloc include/linux/kasan.h:212 [inline] __do_kmalloc_node mm/slab_common.c:938 [inline] __kmalloc+0xb4/0x1e0 mm/slab_common.c:951 kmalloc include/linux/slab.h:568 [inline] kzalloc include/linux/slab.h:699 [inline] l2tp_session_create+0x38/0xbd0 net/l2tp/l2tp_core.c:1614 pppol2tp_connect+0xbf5/0x1640 net/l2tp/l2tp_ppp.c:771 __sys_connect_file net/socket.c:2001 [inline] __sys_connect+0x3da/0x460 net/socket.c:2018 __do_sys_connect net/socket.c:2028 [inline] __se_sys_connect net/socket.c:2025 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2025 x64_sys_call+0x88d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:43 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 Freed by task 347: kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:53 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:242 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:250 kasan_slab_free include/linux/kasan.h:178 [inline] slab_free_hook mm/slub.c:1750 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776 slab_free mm/slub.c:3712 [inline] __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728 kfree+0x6f/0xf0 mm/slab_common.c:990 l2tp_session_free net/l2tp/l2tp_core.c:168 [inline] l2tp_session_put+0xaf/0x1a0 net/l2tp/l2tp_core.c:193 l2tp_session_delete+0x3df/0x4d0 net/l2tp/l2tp_core.c:1587 l2tp_tunnel_closeall net/l2tp/l2tp_core.c:1233 [inline] l2tp_tunnel_del_work+0x199/0x410 net/l2tp/l2tp_core.c:1271 process_one_work+0x717/0xc30 kernel/workqueue.c:2302 worker_thread+0xa4d/0x11d0 kernel/workqueue.c:2449 kthread+0x281/0x320 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Last potentially related work creation: kasan_save_stack+0x3a/0x60 mm/kasan/common.c:46 __kasan_record_aux_stack+0xb6/0xc0 mm/kasan/generic.c:486 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496 __call_rcu_common kernel/rcu/tree.c:2807 [inline] call_rcu+0xcf/0xf50 kernel/rcu/tree.c:2926 pppol2tp_release+0x1e3/0x2b0 net/l2tp/l2tp_ppp.c:446 __sock_release net/socket.c:652 [inline] sock_close+0xc9/0x220 net/socket.c:1390 __fput+0x1fd/0x8f0 fs/file_table.c:320 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x1e1/0x250 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 The buggy address belongs to the object at ffff88812a9c0000 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 400 bytes inside of 512-byte region [ffff88812a9c0000, ffff88812a9c0200) The buggy address belongs to the physical page: page:ffffea0004aa7000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12a9c0 head:ffffea0004aa7000 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 8, tgid 8 (kworker/u4:0), ts 35865707089, free_ts 35200267939 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2673 prep_new_page+0x1c/0x110 mm/page_alloc.c:2680 get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4587 __alloc_pages+0x1fa/0x610 mm/page_alloc.c:5931 alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1 allocate_slab mm/slub.c:1967 [inline] new_slab+0x98/0x3e0 mm/slub.c:2020 ___slab_alloc+0x70f/0xb70 mm/slub.c:3177 __slab_alloc+0x5e/0xa0 mm/slub.c:3263 slab_alloc_node mm/slub.c:3348 [inline] __kmem_cache_alloc_node+0x204/0x2d0 mm/slub.c:3423 __do_kmalloc_node mm/slab_common.c:937 [inline] __kmalloc_node_track_caller+0xa1/0x1e0 mm/slab_common.c:958 kmalloc_reserve net/core/skbuff.c:449 [inline] __alloc_skb+0x226/0x4a0 net/core/skbuff.c:518 alloc_skb include/linux/skbuff.h:1322 [inline] nlmsg_new include/net/netlink.h:987 [inline] inet_netconf_notify_devconf+0x169/0x220 net/ipv4/devinet.c:2128 __devinet_sysctl_unregister net/ipv4/devinet.c:2639 [inline] devinet_exit_net+0x10e/0x220 net/ipv4/devinet.c:2778 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x5b0/0xb10 net/core/net_namespace.c:604 process_one_work+0x717/0xc30 kernel/workqueue.c:2302 worker_thread+0xa4d/0x11d0 kernel/workqueue.c:2449 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1581 [inline] free_pcp_prepare mm/page_alloc.c:1655 [inline] free_unref_page_prepare+0x81b/0x820 mm/page_alloc.c:3622 free_unref_page+0x93/0x530 mm/page_alloc.c:3720 free_the_page mm/page_alloc.c:863 [inline] __free_pages+0x67/0x100 mm/page_alloc.c:6021 __vunmap+0xa3c/0xc00 mm/vmalloc.c:2739 __vfree mm/vmalloc.c:2788 [inline] vfree+0x61/0x90 mm/vmalloc.c:2819 kcov_put kernel/kcov.c:437 [inline] kcov_close+0x2b/0x50 kernel/kcov.c:533 __fput+0x1fd/0x8f0 fs/file_table.c:320 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x1e1/0x250 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0xb0d/0x29f0 kernel/exit.c:896 do_group_exit+0x21b/0x2e0 kernel/exit.c:1040 get_signal+0x167c/0x1700 kernel/signal.c:2904 arch_do_signal_or_restart+0xd1/0x11c0 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x7a/0xb0 kernel/entry/common.c:174 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303 Memory state around the buggy address: ffff88812a9c0080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88812a9c0100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88812a9c0180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88812a9c0200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88812a9c0280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================