Extracting prog: 3m53.712397823s
Minimizing prog: 16m40.190050656s
Simplifying prog options: 0s
Extracting C: 40.037850786s
Simplifying C: 9m3.097109862s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
program crashed: BUG: corrupted list in sctp_destroy_sock
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=45.378829813s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)

program did not crash
testing program (duration=45.378829813s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-accept
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x3, 0x44)
listen(r0, 0x100101)
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=45.378829813s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x3, 0x44)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=45.378829813s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=45.378829813s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x3, 0x44)
listen(0xffffffffffffffff, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(0xffffffffffffffff, 0x0, 0x0)

program did not crash
testing program (duration=45.378829813s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg$inet6(r0, 0x0, 0x0, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=45.378829813s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480), 0x0, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=45.378829813s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{0x0, 0x0, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=45.378829813s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, 0x0}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=45.378829813s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{0x0}], 0x1}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=45.378829813s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)}], 0x1}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=45.378829813s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, 0x0, 0x0)
accept(r0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.378829813s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
program crashed: BUG: corrupted list in sctp_destroy_sock
simplifying C reproducer
testing compiled C program (duration=45.378829813s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
program crashed: BUG: corrupted list in sctp_destroy_sock
testing compiled C program (duration=45.378829813s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
program crashed: BUG: corrupted list in sctp_destroy_sock
testing compiled C program (duration=45.378829813s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
program crashed: BUG: corrupted list in sctp_destroy_sock
testing compiled C program (duration=45.378829813s, {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$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
program crashed: BUG: corrupted list in sctp_destroy_sock
testing compiled C program (duration=45.378829813s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
program crashed: BUG: corrupted list in sctp_destroy_sock
testing compiled C program (duration=45.378829813s, {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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
program crashed: BUG: corrupted list in sctp_destroy_sock
testing compiled C program (duration=45.378829813s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
program crashed: BUG: corrupted list in sctp_destroy_sock
testing program (duration=45.378829813s, {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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
validation run: crashed=true
testing program (duration=45.378829813s, {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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
validation run: crashed=true
testing program (duration=45.378829813s, {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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
validation run: crashed=true
reproducing took 35m9.160640976s
repro crashed as (corrupted=false):
 slab net_namespace start ffff88807f24a480 pointer offset 4344 size 9088
list_del corruption. prev->next should be ffff88803105b648, but was ffff88802f588808. (prev=ffff88807f24b578)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:64!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6022 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62
Code: e8 7b 19 66 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 dc 05 88 fd 49 8b 17 48 c7 c7 60 f5 e0 8b 48 89 de 4c 89 f9 e8 67 c3 88 fc 90 <0f> 0b 4c 89 f7 e8 4c 19 66 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 ad
RSP: 0018:ffffc90002fd7ad8 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff88803105b648 RCX: 055da1be0b679400
RDX: 0000000000000000 RSI: 0000000000000202 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffc90002fd7807 R09: 1ffff920005faf00
R10: dffffc0000000000 R11: fffff520005faf01 R12: 1ffff1100fe496af
R13: dffffc0000000000 R14: ffff88807f24b578 R15: ffff88807f24b578
FS:  0000555588453500(0000) GS:ffff888125a9c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c7c88bc2a0 CR3: 000000002890c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __list_del_entry_valid include/linux/list.h:132 [inline]
 __list_del_entry include/linux/list.h:223 [inline]
 list_del include/linux/list.h:237 [inline]
 sctp_destroy_sock+0xb4/0x3a0 net/sctp/socket.c:5163
 sk_common_release+0x75/0x310 net/core/sock.c:3961
 sctp_close+0x77e/0x930 net/sctp/socket.c:1550
 inet_release+0x144/0x190 net/ipv4/af_inet.c:437
 __sock_release net/socket.c:662 [inline]
 sock_close+0xc3/0x240 net/socket.c:1459
 __fput+0x44c/0xa70 fs/file_table.c:468
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xe9/0x130 kernel/entry/common.c:43
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
 do_syscall_64+0x2bd/0xfa0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcfac78efc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd7147f8e8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000001a3c9 RCX: 00007fcfac78efc9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 000000057147fbdf
R10: 0000001b2f020000 R11: 0000000000000246 R12: 00007fcfac9e5fac
R13: 00007fcfac9e5fa0 R14: ffffffffffffffff R15: 0000000000000003
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62
Code: e8 7b 19 66 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 dc 05 88 fd 49 8b 17 48 c7 c7 60 f5 e0 8b 48 89 de 4c 89 f9 e8 67 c3 88 fc 90 <0f> 0b 4c 89 f7 e8 4c 19 66 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 ad
RSP: 0018:ffffc90002fd7ad8 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff88803105b648 RCX: 055da1be0b679400
RDX: 0000000000000000 RSI: 0000000000000202 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffc90002fd7807 R09: 1ffff920005faf00
R10: dffffc0000000000 R11: fffff520005faf01 R12: 1ffff1100fe496af
R13: dffffc0000000000 R14: ffff88807f24b578 R15: ffff88807f24b578
FS:  0000555588453500(0000) GS:ffff888125a9c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c7c88bc2a0 CR3: 000000002890c000 CR4: 00000000003526f0

final repro crashed as (corrupted=false):
 slab net_namespace start ffff88807f24a480 pointer offset 4344 size 9088
list_del corruption. prev->next should be ffff88803105b648, but was ffff88802f588808. (prev=ffff88807f24b578)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:64!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6022 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62
Code: e8 7b 19 66 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 dc 05 88 fd 49 8b 17 48 c7 c7 60 f5 e0 8b 48 89 de 4c 89 f9 e8 67 c3 88 fc 90 <0f> 0b 4c 89 f7 e8 4c 19 66 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 ad
RSP: 0018:ffffc90002fd7ad8 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff88803105b648 RCX: 055da1be0b679400
RDX: 0000000000000000 RSI: 0000000000000202 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffc90002fd7807 R09: 1ffff920005faf00
R10: dffffc0000000000 R11: fffff520005faf01 R12: 1ffff1100fe496af
R13: dffffc0000000000 R14: ffff88807f24b578 R15: ffff88807f24b578
FS:  0000555588453500(0000) GS:ffff888125a9c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c7c88bc2a0 CR3: 000000002890c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __list_del_entry_valid include/linux/list.h:132 [inline]
 __list_del_entry include/linux/list.h:223 [inline]
 list_del include/linux/list.h:237 [inline]
 sctp_destroy_sock+0xb4/0x3a0 net/sctp/socket.c:5163
 sk_common_release+0x75/0x310 net/core/sock.c:3961
 sctp_close+0x77e/0x930 net/sctp/socket.c:1550
 inet_release+0x144/0x190 net/ipv4/af_inet.c:437
 __sock_release net/socket.c:662 [inline]
 sock_close+0xc3/0x240 net/socket.c:1459
 __fput+0x44c/0xa70 fs/file_table.c:468
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xe9/0x130 kernel/entry/common.c:43
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
 do_syscall_64+0x2bd/0xfa0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcfac78efc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd7147f8e8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000001a3c9 RCX: 00007fcfac78efc9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 000000057147fbdf
R10: 0000001b2f020000 R11: 0000000000000246 R12: 00007fcfac9e5fac
R13: 00007fcfac9e5fa0 R14: ffffffffffffffff R15: 0000000000000003
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62
Code: e8 7b 19 66 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 dc 05 88 fd 49 8b 17 48 c7 c7 60 f5 e0 8b 48 89 de 4c 89 f9 e8 67 c3 88 fc 90 <0f> 0b 4c 89 f7 e8 4c 19 66 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 ad
RSP: 0018:ffffc90002fd7ad8 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff88803105b648 RCX: 055da1be0b679400
RDX: 0000000000000000 RSI: 0000000000000202 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffc90002fd7807 R09: 1ffff920005faf00
R10: dffffc0000000000 R11: fffff520005faf01 R12: 1ffff1100fe496af
R13: dffffc0000000000 R14: ffff88807f24b578 R15: ffff88807f24b578
FS:  0000555588453500(0000) GS:ffff888125a9c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c7c88bc2a0 CR3: 000000002890c000 CR4: 00000000003526f0