Extracting prog: 2m34.1381156s
Minimizing prog: 16m5.794513346s
Simplifying prog options: 0s
Extracting C: 6m6.157492343s
Simplifying C: 40m10.901298616s


30 programs, timeouts [6m0s]
extracting reproducer from 30 programs
single: executing 5 programs separately with timeout 6m0s
testing program (duration=6m0s, {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$pppl2tp-socket$inet6_udp-socket$pppl2tp-connect$pppl2tp-socket$nl_generic-syz_genetlink_get_family_id$l2tp-sendmsg$L2TP_CMD_TUNNEL_CREATE
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0xffff, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
r3 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r3, &(0x7f0000000080)=@pppol2tpv3in6={0x18, 0x1, {0x0, r2, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @mcast2}}}, 0x3a)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$L2TP_CMD_TUNNEL_CREATE(r4, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000500)={0x5c, r5, 0xe17, 0x0, 0x0, {0x1, 0x0, 0x6000}, [@L2TP_ATTR_PROTO_VERSION={0x5, 0x7, 0x3}, @L2TP_ATTR_CONN_ID={0x8}, @L2TP_ATTR_IP6_SADDR={0x14, 0x1f, @private0={0xfc, 0x0, '\x00', 0x1}}, @L2TP_ATTR_PEER_CONN_ID={0x8}, @L2TP_ATTR_ENCAP_TYPE={0x6, 0x2, 0x1}, @L2TP_ATTR_IP6_DADDR={0x14, 0x20, @local={0xfe, 0xfc}}]}, 0x5c}, 0x1, 0x0, 0x0, 0x1}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
testing program (duration=9m0s, {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$pppl2tp-socket$inet6_udp-socket$pppl2tp-connect$pppl2tp-socket$nl_generic-syz_genetlink_get_family_id$l2tp
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0xffff, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
r3 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r3, &(0x7f0000000080)=@pppol2tpv3in6={0x18, 0x1, {0x0, r2, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @mcast2}}}, 0x3a)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$l2tp(&(0x7f0000000080), 0xffffffffffffffff)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=9m0s, {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$pppl2tp-socket$inet6_udp-socket$pppl2tp-connect$pppl2tp-socket$nl_generic
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0xffff, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
r3 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r3, &(0x7f0000000080)=@pppol2tpv3in6={0x18, 0x1, {0x0, r2, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @mcast2}}}, 0x3a)
socket$nl_generic(0x10, 0x3, 0x10)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=9m0s, {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$pppl2tp-socket$inet6_udp-socket$pppl2tp-connect$pppl2tp
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0xffff, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32)
r2 = socket$inet6_udp(0xa, 0x2, 0x0)
r3 = socket$pppl2tp(0x18, 0x1, 0x1)
connect$pppl2tp(r3, &(0x7f0000000080)=@pppol2tpv3in6={0x18, 0x1, {0x0, r2, 0x1, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @mcast2}}}, 0x3a)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=9m0s, {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$pppl2tp-socket$inet6_udp-socket$pppl2tp
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0xffff, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32)
socket$inet6_udp(0xa, 0x2, 0x0)
socket$pppl2tp(0x18, 0x1, 0x1)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=9m0s, {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$pppl2tp-socket$inet6_udp
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0xffff, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32)
socket$inet6_udp(0xa, 0x2, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=9m0s, {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$pppl2tp
detailed listing:
executing program 0:
r0 = socket$pppl2tp(0x18, 0x1, 0x1)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
connect$pppl2tp(r0, &(0x7f0000000980)=@pppol2tpin6={0x18, 0x1, {0x0, r1, 0xffff, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @local}}}, 0x32)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=9m0s, {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
detailed listing:
executing program 0:
socket$pppl2tp(0x18, 0x1, 0x1)
socket$inet_udp(0x2, 0x2, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=9m0s, {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$pppl2tp
detailed listing:
executing program 0:
socket$pppl2tp(0x18, 0x1, 0x1)

program crashed: INFO: rcu detected stall in corrupted
extracting C reproducer
testing compiled C program (duration=9m0s, {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$pppl2tp
program crashed: no output from test machine
simplifying C reproducer
testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp
program crashed: no output from test machine
testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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$pppl2tp
program crashed: no output from test machine
testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp
program crashed: no output from test machine
testing compiled C program (duration=9m0s, {Threaded:false Repeat:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp
program crashed: no output from test machine
testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp
program crashed: no output from test machine
testing compiled C program (duration=9m0s, {Threaded:false Repeat:true 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:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp
program crashed: no output from test machine
testing compiled C program (duration=9m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$pppl2tp
program crashed: no output from test machine
reproducing took 1h4m56.991431925s
repro crashed as (corrupted=false):

final repro crashed as (corrupted=false):