Extracting prog: 2m9.180981028s Minimizing prog: 19m11.985471846s Simplifying prog options: 3m21.995517521s Extracting C: 1m7.807947188s Simplifying C: 0s 30 programs, 3 VMs, timeouts [15s 1m40s 6m0s] extracting reproducer from 30 programs single: executing 5 programs separately with timeout 15s testing program (duration=15s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-socket$xdp-socket$inet_tcp-setsockopt$inet_opts-socket-setsockopt$EBT_SO_SET_ENTRIES-setsockopt$inet_opts-getsockopt$inet_opts-socket$nl_route-socket-sendmsg$nl_route-getsockname$packet-socket-close-socket$inet6_sctp-getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3-bpf$BPF_RAW_TRACEPOINT_OPEN-getsockopt$inet_sctp6_SCTP_MAX_BURST-setsockopt$inet_sctp6_SCTP_ADD_STREAMS-sendmsg$nl_route-socket$nl_route-socket$nl_route-setsockopt$netlink_NETLINK_TX_RING-getsockname$packet-sendmsg$nl_route-sendmsg$nl_route detailed listing: executing program 0: bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000280)={&(0x7f0000000200)='tlb_flush\x00'}, 0x10) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0xf, 0xd, &(0x7f0000000040)=ANY=[@ANYRESHEX], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0}, 0x90) socket$xdp(0x2c, 0x3, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) r0 = socket(0x0, 0x0, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r0, 0xa00000000000000, 0x80, &(0x7f00000000c0)=@broute={'broute\x00', 0x20, 0x1, 0x990, [], 0x0, 0x0, 0x0}, 0xa08) setsockopt$inet_opts(r0, 0x0, 0x0, 0x0, 0x0) getsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000080)) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x54}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r4 = socket(0x22, 0x0, 0x0) close(r4) r5 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r5, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x0, 0x0}, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) getsockopt$inet_sctp6_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0x83, 0x0, &(0x7f0000000040)) setsockopt$inet_sctp6_SCTP_ADD_STREAMS(r0, 0x84, 0x79, &(0x7f00000002c0)={0x0, 0x5}, 0x5f) sendmsg$nl_route(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="4400000010000104001007fb5c360dff9fe30000", @ANYRES32=r3, @ANYBLOB="0100000000000000240012000c000100627269646765000e14000200080007004a9a0000080027"], 0x44}}, 0x0) r6 = socket$nl_route(0x10, 0x3, 0x0) socket$nl_route(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(0xffffffffffffffff, 0x10e, 0xc, &(0x7f0000000280), 0x10) getsockname$packet(r2, &(0x7f00000003c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000080)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000004c0)=ANY=[@ANYBLOB="4c0000001000010400"/20, @ANYRES32=0x0, @ANYBLOB="0000000000000000240012800b000100677265746170000014000280080004000104000005000a000100000008000a00", @ANYRES32=r7], 0x4c}}, 0x0) sendmsg$nl_route(r6, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB='@'], 0x85}}, 0x0) program did not crash testing program (duration=15s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$nl_route-ioctl$sock_kcm_SIOCKCMCLONE-sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK-bpf$MAP_CREATE_TAIL_CALL-sendmsg$nl_route-recvmsg$unix-recvmsg$unix-socket$inet_udp-socket-sendmsg$nl_route-connect$pppl2tp-connect$pppl2tp-getsockopt$bt_BT_SECURITY detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r3, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f00000002c0)={'macvlan0\x00', 0x0}) r6 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={r6}) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(r7, 0x0, 0x48803) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000240)={0x3, 0x4, 0x4, 0xa, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x1}, 0x48) sendmsg$nl_route(r6, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=@newlink={0x54, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r5}, [@IFLA_LINKINFO={0x14, 0x37, 0x0, 0x1, @vxcan={{0xa}, {0x4, 0x2, 0x0, 0x1, @void}}}, @IFLA_ADDRESS={0xa, 0x1, @local}, @IFLA_IFNAME={0x14, 0x3, 'veth1_to_bond\x00'}]}, 0x54}}, 0x0) recvmsg$unix(r2, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x140}, 0x2011) recvmsg$unix(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f00000006c0)=[{&(0x7f0000000580)=""/78, 0x4e}], 0x1}, 0x2) r8 = socket$inet_udp(0x2, 0x2, 0x0) r9 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r9, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB="440000001000370428bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB="00000000000000002400128009000100626f6e64000000001400028005001d00fc0000000500010004"], 0x44}}, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r8, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) getsockopt$bt_BT_SECURITY(r0, 0x111, 0x3, 0x0, 0x20001f00) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete single: successfully extracted reproducer found reproducer with 20 syscalls minimizing guilty program testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$nl_route-ioctl$sock_kcm_SIOCKCMCLONE-sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK-bpf$MAP_CREATE_TAIL_CALL-sendmsg$nl_route-recvmsg$unix-recvmsg$unix-socket$inet_udp-socket-sendmsg$nl_route-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r3, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f00000002c0)={'macvlan0\x00', 0x0}) r6 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={r6}) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(r7, 0x0, 0x48803) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000240)={0x3, 0x4, 0x4, 0xa, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x1}, 0x48) sendmsg$nl_route(r6, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=@newlink={0x54, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r5}, [@IFLA_LINKINFO={0x14, 0x37, 0x0, 0x1, @vxcan={{0xa}, {0x4, 0x2, 0x0, 0x1, @void}}}, @IFLA_ADDRESS={0xa, 0x1, @local}, @IFLA_IFNAME={0x14, 0x3, 'veth1_to_bond\x00'}]}, 0x54}}, 0x0) recvmsg$unix(r2, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x140}, 0x2011) recvmsg$unix(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f00000006c0)=[{&(0x7f0000000580)=""/78, 0x4e}], 0x1}, 0x2) r8 = socket$inet_udp(0x2, 0x2, 0x0) r9 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r9, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB="440000001000370428bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB="00000000000000002400128009000100626f6e64000000001400028005001d00fc0000000500010004"], 0x44}}, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r8, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Read in l2tp_tunnel_del_work testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$nl_route-ioctl$sock_kcm_SIOCKCMCLONE-sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK-bpf$MAP_CREATE_TAIL_CALL-sendmsg$nl_route-recvmsg$unix-recvmsg$unix-socket$inet_udp-socket-sendmsg$nl_route-connect$pppl2tp detailed listing: executing program 0: socket$pppl2tp(0x18, 0x1, 0x1) r0 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r0, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r2, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f00000002c0)={'macvlan0\x00', 0x0}) r5 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={r5}) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(r6, 0x0, 0x48803) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000240)={0x3, 0x4, 0x4, 0xa, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x1}, 0x48) sendmsg$nl_route(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=@newlink={0x54, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x14, 0x37, 0x0, 0x1, @vxcan={{0xa}, {0x4, 0x2, 0x0, 0x1, @void}}}, @IFLA_ADDRESS={0xa, 0x1, @local}, @IFLA_IFNAME={0x14, 0x3, 'veth1_to_bond\x00'}]}, 0x54}}, 0x0) recvmsg$unix(r1, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x140}, 0x2011) recvmsg$unix(r1, &(0x7f0000000780)={0x0, 0x0, &(0x7f00000006c0)=[{&(0x7f0000000580)=""/78, 0x4e}], 0x1}, 0x2) r7 = socket$inet_udp(0x2, 0x2, 0x0) r8 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r8, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB="440000001000370428bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB="00000000000000002400128009000100626f6e64000000001400028005001d00fc0000000500010004"], 0x44}}, 0x0) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r7, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) program did not crash testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$nl_route-ioctl$sock_kcm_SIOCKCMCLONE-sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK-bpf$MAP_CREATE_TAIL_CALL-sendmsg$nl_route-recvmsg$unix-recvmsg$unix-socket$inet_udp-socket-sendmsg$nl_route-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r3, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f00000002c0)={'macvlan0\x00', 0x0}) r6 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={r6}) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(r7, 0x0, 0x48803) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000240)={0x3, 0x4, 0x4, 0xa, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x1}, 0x48) sendmsg$nl_route(r6, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=@newlink={0x54, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r5}, [@IFLA_LINKINFO={0x14, 0x37, 0x0, 0x1, @vxcan={{0xa}, {0x4, 0x2, 0x0, 0x1, @void}}}, @IFLA_ADDRESS={0xa, 0x1, @local}, @IFLA_IFNAME={0x14, 0x3, 'veth1_to_bond\x00'}]}, 0x54}}, 0x0) recvmsg$unix(r2, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x140}, 0x2011) recvmsg$unix(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f00000006c0)=[{&(0x7f0000000580)=""/78, 0x4e}], 0x1}, 0x2) socket$inet_udp(0x2, 0x2, 0x0) r8 = socket(0x10, 0x803, 0x0) sendmsg$nl_route(r8, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000000)=ANY=[@ANYBLOB="440000001000370428bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB="00000000000000002400128009000100626f6e64000000001400028005001d00fc0000000500010004"], 0x44}}, 0x0) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program did not crash testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$nl_route-ioctl$sock_kcm_SIOCKCMCLONE-sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK-bpf$MAP_CREATE_TAIL_CALL-sendmsg$nl_route-recvmsg$unix-recvmsg$unix-socket$inet_udp-socket-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r3, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f00000002c0)={'macvlan0\x00', 0x0}) r6 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={r6}) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(r7, 0x0, 0x48803) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000240)={0x3, 0x4, 0x4, 0xa, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x1}, 0x48) sendmsg$nl_route(r6, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=@newlink={0x54, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r5}, [@IFLA_LINKINFO={0x14, 0x37, 0x0, 0x1, @vxcan={{0xa}, {0x4, 0x2, 0x0, 0x1, @void}}}, @IFLA_ADDRESS={0xa, 0x1, @local}, @IFLA_IFNAME={0x14, 0x3, 'veth1_to_bond\x00'}]}, 0x54}}, 0x0) recvmsg$unix(r2, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x140}, 0x2011) recvmsg$unix(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f00000006c0)=[{&(0x7f0000000580)=""/78, 0x4e}], 0x1}, 0x2) r8 = socket$inet_udp(0x2, 0x2, 0x0) socket(0x10, 0x803, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r8, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$nl_route-ioctl$sock_kcm_SIOCKCMCLONE-sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK-bpf$MAP_CREATE_TAIL_CALL-sendmsg$nl_route-recvmsg$unix-recvmsg$unix-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r3, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f00000002c0)={'macvlan0\x00', 0x0}) r6 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={r6}) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(r7, 0x0, 0x48803) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000240)={0x3, 0x4, 0x4, 0xa, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x1}, 0x48) sendmsg$nl_route(r6, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=@newlink={0x54, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r5}, [@IFLA_LINKINFO={0x14, 0x37, 0x0, 0x1, @vxcan={{0xa}, {0x4, 0x2, 0x0, 0x1, @void}}}, @IFLA_ADDRESS={0xa, 0x1, @local}, @IFLA_IFNAME={0x14, 0x3, 'veth1_to_bond\x00'}]}, 0x54}}, 0x0) recvmsg$unix(r2, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x140}, 0x2011) recvmsg$unix(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f00000006c0)=[{&(0x7f0000000580)=""/78, 0x4e}], 0x1}, 0x2) r8 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r8, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$nl_route-ioctl$sock_kcm_SIOCKCMCLONE-sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK-bpf$MAP_CREATE_TAIL_CALL-sendmsg$nl_route-recvmsg$unix-recvmsg$unix-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r3, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f00000002c0)={'macvlan0\x00', 0x0}) r6 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={r6}) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(r7, 0x0, 0x48803) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000240)={0x3, 0x4, 0x4, 0xa, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x1}, 0x48) sendmsg$nl_route(r6, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=@newlink={0x54, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r5}, [@IFLA_LINKINFO={0x14, 0x37, 0x0, 0x1, @vxcan={{0xa}, {0x4, 0x2, 0x0, 0x1, @void}}}, @IFLA_ADDRESS={0xa, 0x1, @local}, @IFLA_IFNAME={0x14, 0x3, 'veth1_to_bond\x00'}]}, 0x54}}, 0x0) recvmsg$unix(r2, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x140}, 0x2011) recvmsg$unix(r2, &(0x7f0000000780)={0x0, 0x0, &(0x7f00000006c0)=[{&(0x7f0000000580)=""/78, 0x4e}], 0x1}, 0x2) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program did not crash testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$nl_route-ioctl$sock_kcm_SIOCKCMCLONE-sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK-bpf$MAP_CREATE_TAIL_CALL-sendmsg$nl_route-recvmsg$unix-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r3, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f00000002c0)={'macvlan0\x00', 0x0}) r6 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={r6}) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(r7, 0x0, 0x48803) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000240)={0x3, 0x4, 0x4, 0xa, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x1}, 0x48) sendmsg$nl_route(r6, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=@newlink={0x54, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r5}, [@IFLA_LINKINFO={0x14, 0x37, 0x0, 0x1, @vxcan={{0xa}, {0x4, 0x2, 0x0, 0x1, @void}}}, @IFLA_ADDRESS={0xa, 0x1, @local}, @IFLA_IFNAME={0x14, 0x3, 'veth1_to_bond\x00'}]}, 0x54}}, 0x0) recvmsg$unix(r2, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x140}, 0x2011) r8 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r8, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$nl_route-ioctl$sock_kcm_SIOCKCMCLONE-sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK-bpf$MAP_CREATE_TAIL_CALL-sendmsg$nl_route-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r2, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f00000002c0)={'macvlan0\x00', 0x0}) r5 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={r5}) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(r6, 0x0, 0x48803) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000240)={0x3, 0x4, 0x4, 0xa, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x1}, 0x48) sendmsg$nl_route(r5, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000380)=@newlink={0x54, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_LINKINFO={0x14, 0x37, 0x0, 0x1, @vxcan={{0xa}, {0x4, 0x2, 0x0, 0x1, @void}}}, @IFLA_ADDRESS={0xa, 0x1, @local}, @IFLA_IFNAME={0x14, 0x3, 'veth1_to_bond\x00'}]}, 0x54}}, 0x0) r7 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r7, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$nl_route-ioctl$sock_kcm_SIOCKCMCLONE-sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK-bpf$MAP_CREATE_TAIL_CALL-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r2, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f00000002c0)={'macvlan0\x00'}) r4 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={r4}) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(r5, 0x0, 0x48803) bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000000240)={0x3, 0x4, 0x4, 0xa, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x1, 0x1}, 0x48) r6 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r6, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$nl_route-ioctl$sock_kcm_SIOCKCMCLONE-sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r2, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f00000002c0)={'macvlan0\x00'}) r4 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={r4}) sendmsg$NL80211_CMD_SET_TX_BITRATE_MASK(r5, 0x0, 0x48803) r6 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r6, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$nl_route-ioctl$sock_kcm_SIOCKCMCLONE-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r2, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f00000002c0)={'macvlan0\x00'}) r4 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={r4}) r5 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r5, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Read in l2tp_tunnel_del_work testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$nl_route-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r2, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f00000002c0)={'macvlan0\x00'}) socket$nl_route(0x10, 0x3, 0x0) r4 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r4, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r2, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f00000002c0)={'macvlan0\x00'}) r4 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r4, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socketpair$unix-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r2, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)) r3 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r3, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-sendmsg$unix-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) sendmsg$unix(r2, &(0x7f0000003200)={0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000002b40)='@', 0x1}, {&(0x7f0000000440)='>', 0x1}], 0x2}, 0x2000c095) r3 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r3, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) setsockopt$pppl2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socketpair$unix-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(0xffffffffffffffff, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program did not crash testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(0xffffffffffffffff, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program did not crash testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, 0x0, 0x0) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program did not crash testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-connect$pppl2tp program did not crash simplifying guilty program options testing program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete extracting C reproducer testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-connect$pppl2tp program did not crash testing program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-connect$pppl2tp detailed listing: executing program 0: r0 = socket$pppl2tp(0x18, 0x1, 0x1) r1 = socket$pppl2tp(0x18, 0x1, 0x1) r2 = socket$inet_udp(0x2, 0x2, 0x0) connect$pppl2tp(r1, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r2, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32) connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @empty}, 0x1, 0x2}}, 0x26) program crashed: KASAN: slab-use-after-free Write in l2tp_session_delete extracting C reproducer testing compiled C program (duration=22.5s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp-socket$pppl2tp-socket$inet_udp-connect$pppl2tp-connect$pppl2tp program did not crash reproducing took 25m40.226245653s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in instrument_atomic_read_write include/linux/instrumented.h:96 [inline] BUG: KASAN: slab-use-after-free in test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:71 [inline] BUG: KASAN: slab-use-after-free in l2tp_session_delete+0x28/0x9e0 net/l2tp/l2tp_core.c:1639 Write of size 8 at addr ffff88807cb5b808 by task kworker/u8:6/2395 CPU: 0 PID: 2395 Comm: kworker/u8:6 Not tainted 6.10.0-rc4-syzkaller-00937-ga6a6a9809411 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: l2tp l2tp_tunnel_del_work Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189 instrument_atomic_read_write include/linux/instrumented.h:96 [inline] test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:71 [inline] l2tp_session_delete+0x28/0x9e0 net/l2tp/l2tp_core.c:1639 l2tp_tunnel_closeall net/l2tp/l2tp_core.c:1302 [inline] l2tp_tunnel_del_work+0x1cb/0x330 net/l2tp/l2tp_core.c:1334 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Allocated by task 5223: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:370 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slub.c:4122 [inline] __kmalloc_noprof+0x1f9/0x400 mm/slub.c:4135 kmalloc_noprof include/linux/slab.h:664 [inline] kzalloc_noprof include/linux/slab.h:778 [inline] l2tp_session_create+0x3b/0xc20 net/l2tp/l2tp_core.c:1675 pppol2tp_connect+0xca3/0x17a0 net/l2tp/l2tp_ppp.c:782 __sys_connect_file net/socket.c:2049 [inline] __sys_connect+0x2df/0x310 net/socket.c:2066 __do_sys_connect net/socket.c:2076 [inline] __se_sys_connect net/socket.c:2073 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2073 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 35: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2196 [inline] slab_free mm/slub.c:4437 [inline] kfree+0x149/0x360 mm/slub.c:4558 __sk_destruct+0x58/0x5f0 net/core/sock.c:2191 rcu_do_batch kernel/rcu/tree.c:2535 [inline] rcu_core+0xafd/0x1830 kernel/rcu/tree.c:2809 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 Last potentially related work creation: kasan_save_stack+0x3f/0x60 mm/kasan/common.c:47 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:541 __call_rcu_common kernel/rcu/tree.c:3072 [inline] call_rcu+0x167/0xa70 kernel/rcu/tree.c:3176 pppol2tp_release+0x24b/0x350 net/l2tp/l2tp_ppp.c:457 __sock_release net/socket.c:659 [inline] sock_close+0xbc/0x240 net/socket.c:1421 __fput+0x406/0x8b0 fs/file_table.c:422 task_work_run+0x24f/0x310 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff88807cb5b800 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 8 bytes inside of freed 1024-byte region [ffff88807cb5b800, ffff88807cb5bc00) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88807cb5d800 pfn:0x7cb58 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffefff(slab) raw: 00fff00000000040 ffff888015041dc0 0000000000000000 0000000000000001 raw: ffff88807cb5d800 000000000010000e 00000001ffffefff 0000000000000000 head: 00fff00000000040 ffff888015041dc0 0000000000000000 0000000000000001 head: ffff88807cb5d800 000000000010000e 00000001ffffefff 0000000000000000 head: 00fff00000000003 ffffea0001f2d601 ffffffffffffffff 0000000000000000 head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4948, tgid 4948 (sh), ts 57602021341, free_ts 48020973673 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1468 prep_new_page mm/page_alloc.c:1476 [inline] get_page_from_freelist+0x2e43/0x2f00 mm/page_alloc.c:3420 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4678 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline] alloc_pages_node_noprof include/linux/gfp.h:296 [inline] alloc_slab_page+0x5f/0x120 mm/slub.c:2265 allocate_slab+0x5a/0x2f0 mm/slub.c:2428 new_slab mm/slub.c:2481 [inline] ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3667 __slab_alloc+0x58/0xa0 mm/slub.c:3757 __slab_alloc_node mm/slub.c:3810 [inline] slab_alloc_node mm/slub.c:3989 [inline] __do_kmalloc_node mm/slub.c:4121 [inline] __kmalloc_noprof+0x257/0x400 mm/slub.c:4135 kmalloc_noprof include/linux/slab.h:664 [inline] kzalloc_noprof include/linux/slab.h:778 [inline] tomoyo_init_log+0x1b3e/0x2050 security/tomoyo/audit.c:275 tomoyo_supervisor+0x38a/0x11f0 security/tomoyo/common.c:2089 tomoyo_audit_env_log security/tomoyo/environ.c:36 [inline] tomoyo_env_perm+0x178/0x210 security/tomoyo/environ.c:63 tomoyo_environ security/tomoyo/domain.c:672 [inline] tomoyo_find_next_domain+0x1384/0x1cf0 security/tomoyo/domain.c:878 tomoyo_bprm_check_security+0x115/0x180 security/tomoyo/tomoyo.c:102 security_bprm_check+0x65/0x90 security/security.c:1191 search_binary_handler fs/exec.c:1785 [inline] exec_binprm fs/exec.c:1839 [inline] bprm_execve+0xa56/0x17c0 fs/exec.c:1891 do_execveat_common+0x553/0x700 fs/exec.c:1998 page last free pid 4891 tgid 4891 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1088 [inline] free_unref_page+0xd22/0xea0 mm/page_alloc.c:2583 __slab_free+0x31b/0x3d0 mm/slub.c:4348 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9e/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3941 [inline] slab_alloc_node mm/slub.c:4001 [inline] kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4008 getname_flags+0xbd/0x4f0 fs/namei.c:139 do_sys_openat2+0xd2/0x1d0 fs/open.c:1399 do_sys_open fs/open.c:1420 [inline] __do_sys_openat fs/open.c:1436 [inline] __se_sys_openat fs/open.c:1431 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1431 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff88807cb5b700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88807cb5b780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88807cb5b800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88807cb5b880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88807cb5b900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in instrument_atomic_read_write include/linux/instrumented.h:96 [inline] BUG: KASAN: slab-use-after-free in test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:71 [inline] BUG: KASAN: slab-use-after-free in l2tp_session_delete+0x28/0x9e0 net/l2tp/l2tp_core.c:1639 Write of size 8 at addr ffff88807cb5b808 by task kworker/u8:6/2395 CPU: 0 PID: 2395 Comm: kworker/u8:6 Not tainted 6.10.0-rc4-syzkaller-00937-ga6a6a9809411 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: l2tp l2tp_tunnel_del_work Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189 instrument_atomic_read_write include/linux/instrumented.h:96 [inline] test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:71 [inline] l2tp_session_delete+0x28/0x9e0 net/l2tp/l2tp_core.c:1639 l2tp_tunnel_closeall net/l2tp/l2tp_core.c:1302 [inline] l2tp_tunnel_del_work+0x1cb/0x330 net/l2tp/l2tp_core.c:1334 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Allocated by task 5223: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:370 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slub.c:4122 [inline] __kmalloc_noprof+0x1f9/0x400 mm/slub.c:4135 kmalloc_noprof include/linux/slab.h:664 [inline] kzalloc_noprof include/linux/slab.h:778 [inline] l2tp_session_create+0x3b/0xc20 net/l2tp/l2tp_core.c:1675 pppol2tp_connect+0xca3/0x17a0 net/l2tp/l2tp_ppp.c:782 __sys_connect_file net/socket.c:2049 [inline] __sys_connect+0x2df/0x310 net/socket.c:2066 __do_sys_connect net/socket.c:2076 [inline] __se_sys_connect net/socket.c:2073 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2073 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 35: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2196 [inline] slab_free mm/slub.c:4437 [inline] kfree+0x149/0x360 mm/slub.c:4558 __sk_destruct+0x58/0x5f0 net/core/sock.c:2191 rcu_do_batch kernel/rcu/tree.c:2535 [inline] rcu_core+0xafd/0x1830 kernel/rcu/tree.c:2809 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 Last potentially related work creation: kasan_save_stack+0x3f/0x60 mm/kasan/common.c:47 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:541 __call_rcu_common kernel/rcu/tree.c:3072 [inline] call_rcu+0x167/0xa70 kernel/rcu/tree.c:3176 pppol2tp_release+0x24b/0x350 net/l2tp/l2tp_ppp.c:457 __sock_release net/socket.c:659 [inline] sock_close+0xbc/0x240 net/socket.c:1421 __fput+0x406/0x8b0 fs/file_table.c:422 task_work_run+0x24f/0x310 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff88807cb5b800 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 8 bytes inside of freed 1024-byte region [ffff88807cb5b800, ffff88807cb5bc00) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88807cb5d800 pfn:0x7cb58 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffefff(slab) raw: 00fff00000000040 ffff888015041dc0 0000000000000000 0000000000000001 raw: ffff88807cb5d800 000000000010000e 00000001ffffefff 0000000000000000 head: 00fff00000000040 ffff888015041dc0 0000000000000000 0000000000000001 head: ffff88807cb5d800 000000000010000e 00000001ffffefff 0000000000000000 head: 00fff00000000003 ffffea0001f2d601 ffffffffffffffff 0000000000000000 head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4948, tgid 4948 (sh), ts 57602021341, free_ts 48020973673 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1468 prep_new_page mm/page_alloc.c:1476 [inline] get_page_from_freelist+0x2e43/0x2f00 mm/page_alloc.c:3420 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4678 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline] alloc_pages_node_noprof include/linux/gfp.h:296 [inline] alloc_slab_page+0x5f/0x120 mm/slub.c:2265 allocate_slab+0x5a/0x2f0 mm/slub.c:2428 new_slab mm/slub.c:2481 [inline] ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3667 __slab_alloc+0x58/0xa0 mm/slub.c:3757 __slab_alloc_node mm/slub.c:3810 [inline] slab_alloc_node mm/slub.c:3989 [inline] __do_kmalloc_node mm/slub.c:4121 [inline] __kmalloc_noprof+0x257/0x400 mm/slub.c:4135 kmalloc_noprof include/linux/slab.h:664 [inline] kzalloc_noprof include/linux/slab.h:778 [inline] tomoyo_init_log+0x1b3e/0x2050 security/tomoyo/audit.c:275 tomoyo_supervisor+0x38a/0x11f0 security/tomoyo/common.c:2089 tomoyo_audit_env_log security/tomoyo/environ.c:36 [inline] tomoyo_env_perm+0x178/0x210 security/tomoyo/environ.c:63 tomoyo_environ security/tomoyo/domain.c:672 [inline] tomoyo_find_next_domain+0x1384/0x1cf0 security/tomoyo/domain.c:878 tomoyo_bprm_check_security+0x115/0x180 security/tomoyo/tomoyo.c:102 security_bprm_check+0x65/0x90 security/security.c:1191 search_binary_handler fs/exec.c:1785 [inline] exec_binprm fs/exec.c:1839 [inline] bprm_execve+0xa56/0x17c0 fs/exec.c:1891 do_execveat_common+0x553/0x700 fs/exec.c:1998 page last free pid 4891 tgid 4891 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1088 [inline] free_unref_page+0xd22/0xea0 mm/page_alloc.c:2583 __slab_free+0x31b/0x3d0 mm/slub.c:4348 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9e/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3941 [inline] slab_alloc_node mm/slub.c:4001 [inline] kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4008 getname_flags+0xbd/0x4f0 fs/namei.c:139 do_sys_openat2+0xd2/0x1d0 fs/open.c:1399 do_sys_open fs/open.c:1420 [inline] __do_sys_openat fs/open.c:1436 [inline] __se_sys_openat fs/open.c:1431 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1431 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff88807cb5b700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88807cb5b780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88807cb5b800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88807cb5b880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88807cb5b900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================