Extracting prog: 2m7.702658524s
Minimizing prog: 42m4.119919915s
Simplifying prog options: 0s
Extracting C: 1m16.715894288s
Simplifying C: 8m48.138885041s


extracting reproducer from 30 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$l2tp-socket$inet6_sctp-socket$inet6-getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF-setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR-sendmmsg$inet6-listen-socket$packet-syz_init_net_socket$nl_generic-sendmsg$NLBL_CIPSOV4_C_ADD-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept4$packet-accept-sendmsg$inet
detailed listing:
executing program 0:
socket$l2tp(0x2, 0x2, 0x73)
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6(0xa, 0x800, 0x0)
getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000740)={<r2=>0x0, 0x4}, &(0x7f0000000780)=0x8)
setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f00000007c0)={r2, @in={{0x2, 0x4e23, @remote}}}, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{&(0x7f0000000180)={0xa, 0x4e22, 0x4, @dev={0xfe, 0x80, '\x00', 0x35}, 0x6}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000340)="2f63954f55", 0x5}], 0x1}}], 0x3, 0x44)
listen(r0, 0x100101)
r3 = socket$packet(0x11, 0x0, 0x300)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_CIPSOV4_C_ADD(r4, &(0x7f0000000680)={&(0x7f0000000440), 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x1c, 0x0, 0x800, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x48080)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
r5 = accept4$packet(r3, &(0x7f0000000040)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f0000000080)=0x14, 0x80800)
accept(r0, 0x0, 0x0)
sendmsg$inet(r5, &(0x7f0000000400)={&(0x7f0000000100)={0x2, 0x4e24, @private=0xa010101}, 0x10, &(0x7f00000002c0)=[{&(0x7f0000000240)="04b66cfa6404fdb633b673d464365b5db86f3542380478bd4726ad92285db4a6f60288b636be6834282ae6c46cee1165f20644eb4e2d29207d023f8557f26d66ff", 0x41}, {&(0x7f0000000380)="d86328457d08668afa52ad69dff1d87adc450ebbeca0a19b378c71732ad2b63741c6a196ae8ac969cb3e99875e17f444413a57940eca6a5487815b5efb988990ebdec2d5686c7ec5768bff79e155dbf0ea8189", 0x53}], 0x2, &(0x7f0000000540)=[@ip_tos_u8={{0x11, 0x0, 0x1, 0x81}}, @ip_tos_u8={{0x11, 0x0, 0x1, 0x4}}, @ip_ttl={{0x14, 0x0, 0x2, 0x1}}, @ip_tos_int={{0x14, 0x0, 0x1, 0x2}}, @ip_tos_int={{0x14, 0x0, 0x1, 0x5}}, @ip_tos_int={{0x14, 0x0, 0x1, 0xa}}, @ip_tos_int={{0x14, 0x0, 0x1, 0xffffffff}}, @ip_tos_u8={{0x11, 0x0, 0x1, 0x74}}], 0xc0}, 0x20000040)

program crashed: BUG: corrupted list in sctp_destroy_sock
single: successfully extracted reproducer
found reproducer with 14 syscalls
minimizing guilty program
testing program (duration=45.384626308s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$l2tp-socket$inet6_sctp-socket$inet6-getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF-setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR-sendmmsg$inet6-listen-socket$packet-syz_init_net_socket$nl_generic-sendmsg$NLBL_CIPSOV4_C_ADD-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept4$packet-accept
detailed listing:
executing program 0:
socket$l2tp(0x2, 0x2, 0x73)
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6(0xa, 0x800, 0x0)
getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000740)={<r2=>0x0, 0x4}, &(0x7f0000000780)=0x8)
setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f00000007c0)={r2, @in={{0x2, 0x4e23, @remote}}}, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{&(0x7f0000000180)={0xa, 0x4e22, 0x4, @dev={0xfe, 0x80, '\x00', 0x35}, 0x6}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000340)="2f63954f55", 0x5}], 0x1}}], 0x3, 0x44)
listen(r0, 0x100101)
r3 = socket$packet(0x11, 0x0, 0x300)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_CIPSOV4_C_ADD(r4, &(0x7f0000000680)={&(0x7f0000000440), 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x1c, 0x0, 0x800, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x48080)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept4$packet(r3, &(0x7f0000000040)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f0000000080)=0x14, 0x80800)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
testing program (duration=45.384626308s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$l2tp-socket$inet6_sctp-socket$inet6-getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF-setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR-sendmmsg$inet6-listen-socket$packet-syz_init_net_socket$nl_generic-sendmsg$NLBL_CIPSOV4_C_ADD-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept4$packet
detailed listing:
executing program 0:
socket$l2tp(0x2, 0x2, 0x73)
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6(0xa, 0x800, 0x0)
getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000740)={<r2=>0x0, 0x4}, &(0x7f0000000780)=0x8)
setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f00000007c0)={r2, @in={{0x2, 0x4e23, @remote}}}, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{&(0x7f0000000180)={0xa, 0x4e22, 0x4, @dev={0xfe, 0x80, '\x00', 0x35}, 0x6}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000340)="2f63954f55", 0x5}], 0x1}}], 0x3, 0x44)
listen(r0, 0x100101)
r3 = socket$packet(0x11, 0x0, 0x300)
r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_CIPSOV4_C_ADD(r4, &(0x7f0000000680)={&(0x7f0000000440), 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x1c, 0x0, 0x800, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x48080)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept4$packet(r3, &(0x7f0000000040)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f0000000080)=0x14, 0x80800)

program did not crash
testing program (duration=45.384626308s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$l2tp-socket$inet6_sctp-socket$inet6-getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF-setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR-sendmmsg$inet6-listen-socket$packet-syz_init_net_socket$nl_generic-sendmsg$NLBL_CIPSOV4_C_ADD-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
socket$l2tp(0x2, 0x2, 0x73)
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6(0xa, 0x800, 0x0)
getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000740)={<r2=>0x0, 0x4}, &(0x7f0000000780)=0x8)
setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f00000007c0)={r2, @in={{0x2, 0x4e23, @remote}}}, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{&(0x7f0000000180)={0xa, 0x4e22, 0x4, @dev={0xfe, 0x80, '\x00', 0x35}, 0x6}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000340)="2f63954f55", 0x5}], 0x1}}], 0x3, 0x44)
listen(r0, 0x100101)
socket$packet(0x11, 0x0, 0x300)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_CIPSOV4_C_ADD(r3, &(0x7f0000000680)={&(0x7f0000000440), 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x1c, 0x0, 0x800, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x48080)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
testing program (duration=45.384626308s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$l2tp-socket$inet6_sctp-socket$inet6-getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF-setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR-sendmmsg$inet6-listen-socket$packet-syz_init_net_socket$nl_generic-sendmsg$NLBL_CIPSOV4_C_ADD-accept
detailed listing:
executing program 0:
socket$l2tp(0x2, 0x2, 0x73)
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6(0xa, 0x800, 0x0)
getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000740)={<r2=>0x0, 0x4}, &(0x7f0000000780)=0x8)
setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f00000007c0)={r2, @in={{0x2, 0x4e23, @remote}}}, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{&(0x7f0000000180)={0xa, 0x4e22, 0x4, @dev={0xfe, 0x80, '\x00', 0x35}, 0x6}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000340)="2f63954f55", 0x5}], 0x1}}], 0x3, 0x44)
listen(r0, 0x100101)
socket$packet(0x11, 0x0, 0x300)
r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$NLBL_CIPSOV4_C_ADD(r3, &(0x7f0000000680)={&(0x7f0000000440), 0xc, &(0x7f0000000640)={&(0x7f0000000600)={0x1c, 0x0, 0x800, 0x70bd28, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x2}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40}, 0x48080)
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=45.384626308s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$l2tp-socket$inet6_sctp-socket$inet6-getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF-setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR-sendmmsg$inet6-listen-socket$packet-syz_init_net_socket$nl_generic-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
socket$l2tp(0x2, 0x2, 0x73)
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6(0xa, 0x800, 0x0)
getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000740)={<r2=>0x0, 0x4}, &(0x7f0000000780)=0x8)
setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f00000007c0)={r2, @in={{0x2, 0x4e23, @remote}}}, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{&(0x7f0000000180)={0xa, 0x4e22, 0x4, @dev={0xfe, 0x80, '\x00', 0x35}, 0x6}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000340)="2f63954f55", 0x5}], 0x1}}], 0x3, 0x44)
listen(r0, 0x100101)
socket$packet(0x11, 0x0, 0x300)
syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
testing program (duration=45.384626308s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$l2tp-socket$inet6_sctp-socket$inet6-getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF-setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR-sendmmsg$inet6-listen-socket$packet-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
socket$l2tp(0x2, 0x2, 0x73)
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6(0xa, 0x800, 0x0)
getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000740)={<r2=>0x0, 0x4}, &(0x7f0000000780)=0x8)
setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f00000007c0)={r2, @in={{0x2, 0x4e23, @remote}}}, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{&(0x7f0000000180)={0xa, 0x4e22, 0x4, @dev={0xfe, 0x80, '\x00', 0x35}, 0x6}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000340)="2f63954f55", 0x5}], 0x1}}], 0x3, 0x44)
listen(r0, 0x100101)
socket$packet(0x11, 0x0, 0x300)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
testing program (duration=45.384626308s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$l2tp-socket$inet6_sctp-socket$inet6-getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF-setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
socket$l2tp(0x2, 0x2, 0x73)
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6(0xa, 0x800, 0x0)
getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000740)={<r2=>0x0, 0x4}, &(0x7f0000000780)=0x8)
setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f00000007c0)={r2, @in={{0x2, 0x4e23, @remote}}}, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{&(0x7f0000000180)={0xa, 0x4e22, 0x4, @dev={0xfe, 0x80, '\x00', 0x35}, 0x6}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000340)="2f63954f55", 0x5}], 0x1}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
testing program (duration=45.384626308s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$l2tp-socket$inet6_sctp-socket$inet6-getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF-setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR-sendmmsg$inet6-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
socket$l2tp(0x2, 0x2, 0x73)
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6(0xa, 0x800, 0x0)
getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000740)={<r2=>0x0, 0x4}, &(0x7f0000000780)=0x8)
setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f00000007c0)={r2, @in={{0x2, 0x4e23, @remote}}}, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{&(0x7f0000000180)={0xa, 0x4e22, 0x4, @dev={0xfe, 0x80, '\x00', 0x35}, 0x6}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000340)="2f63954f55", 0x5}], 0x1}}], 0x3, 0x44)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=45.384626308s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$l2tp-socket$inet6_sctp-socket$inet6-getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF-setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
socket$l2tp(0x2, 0x2, 0x73)
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
r1 = socket$inet6(0xa, 0x800, 0x0)
getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000740)={<r2=>0x0, 0x4}, &(0x7f0000000780)=0x8)
setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f00000007c0)={r2, @in={{0x2, 0x4e23, @remote}}}, 0x84)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=45.384626308s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$l2tp-socket$inet6_sctp-socket$inet6-getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
socket$l2tp(0x2, 0x2, 0x73)
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
socket$inet6(0xa, 0x800, 0x0)
getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000740)={0x0, 0x4}, &(0x7f0000000780)=0x8)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{&(0x7f0000000180)={0xa, 0x4e22, 0x4, @dev={0xfe, 0x80, '\x00', 0x35}, 0x6}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000340)="2f63954f55", 0x5}], 0x1}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
testing program (duration=45.384626308s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$l2tp-socket$inet6_sctp-socket$inet6-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
socket$l2tp(0x2, 0x2, 0x73)
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
socket$inet6(0xa, 0x800, 0x0)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{&(0x7f0000000180)={0xa, 0x4e22, 0x4, @dev={0xfe, 0x80, '\x00', 0x35}, 0x6}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000340)="2f63954f55", 0x5}], 0x1}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
testing program (duration=45.384626308s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$l2tp-socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
socket$l2tp(0x2, 0x2, 0x73)
r0 = socket$inet6_sctp(0xa, 0x1, 0x84)
sendmmsg$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{&(0x7f0000000180)={0xa, 0x4e22, 0x4, @dev={0xfe, 0x80, '\x00', 0x35}, 0x6}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000340)="2f63954f55", 0x5}], 0x1}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
testing program (duration=45.384626308s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$l2tp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
detailed listing:
executing program 0:
socket$l2tp(0x2, 0x2, 0x73)
sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{&(0x7f0000000180)={0xa, 0x4e22, 0x4, @dev={0xfe, 0x80, '\x00', 0x35}, 0x6}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000340)="2f63954f55", 0x5}], 0x1}}], 0x3, 0x44)
listen(0xffffffffffffffff, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(0xffffffffffffffff, 0x0, 0x0)

program did not crash
testing program (duration=45.384626308s, {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 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$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{&(0x7f0000000180)={0xa, 0x4e22, 0x4, @dev={0xfe, 0x80, '\x00', 0x35}, 0x6}, 0x1c, &(0x7f00000001c0)=[{&(0x7f0000000340)="2f63954f55", 0x5}], 0x1}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
testing program (duration=45.384626308s, {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 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=45.384626308s, {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 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=45.384626308s, {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 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$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000340)="2f63954f55", 0x5}], 0x1}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
testing program (duration=45.384626308s, {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 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$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{&(0x7f0000000200)={0xa, 0x4e24, 0x8001, @rand_addr=' \x01\x00', 0x42a}, 0x1c, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{0x0, 0x0, 0x0}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
testing program (duration=45.384626308s, {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 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$inet6(r0, &(0x7f0000000480)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @private0, 0xfffffffc}, 0x1c, &(0x7f0000000300)=[{&(0x7f00000006c0)="b3", 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000700)="98", 0x1}], 0x1}}, {{0x0, 0x0, 0x0}}], 0x3, 0x44)
listen(r0, 0x100101)
setsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f00000000c0)=0x6, 0x4)
accept(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in sctp_destroy_sock
testing program (duration=45.384626308s, {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 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
testing program (duration=45.384626308s, {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 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=45.384626308s, {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 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=45.384626308s, {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 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=45.384626308s, {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 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=45.384626308s, {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 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=45.384626308s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
program crashed: BUG: corrupted list in sctp_destroy_sock
simplifying C reproducer
testing compiled C program (duration=45.384626308s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$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=45.384626308s, {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$inet_sctp6_SCTP_AUTO_ASCONF-accept
program crashed: BUG: corrupted list in sctp_destroy_sock
testing compiled C program (duration=45.384626308s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$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=45.384626308s, {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$inet_sctp6_SCTP_AUTO_ASCONF-accept
program crashed: BUG: corrupted list in sctp_destroy_sock
testing compiled C program (duration=45.384626308s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$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=45.384626308s, {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$inet_sctp6_SCTP_AUTO_ASCONF-accept
program crashed: BUG: corrupted list in sctp_destroy_sock
testing compiled C program (duration=45.384626308s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_sctp-sendmmsg$inet6-listen-setsockopt$inet_sctp6_SCTP_AUTO_ASCONF-accept
program crashed: BUG: corrupted list in sctp_destroy_sock
testing program (duration=45.384626308s, {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=45.384626308s, {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=45.384626308s, {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 58m38.499199144s
repro crashed as (corrupted=false):
 slab net_namespace start ffff8880213f4900 pointer offset 4344 size 9088
list_del corruption. prev->next should be ffff8880327c5b48, but was ffff8880327c5208. (prev=ffff8880213f59f8)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:64!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6023 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 26 71 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 7c ee 92 fd 49 8b 17 48 c7 c7 80 0a bf 8b 48 89 de 4c 89 f9 e8 07 c6 94 fc 90 <0f> 0b 4c 89 f7 e8 4c 26 71 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 4d
RSP: 0018:ffffc900042c7ad8 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff8880327c5b48 RCX: d4ee44be09285100
RDX: 0000000000000000 RSI: 0000000000000202 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffc900042c7807 R09: 1ffff92000858f00
R10: dffffc0000000000 R11: fffff52000858f01 R12: 1ffff1100427eb3f
R13: dffffc0000000000 R14: ffff8880213f59f8 R15: ffff8880213f59f8
FS:  0000555574e69500(0000) GS:ffff88812613e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000480 CR3: 00000000739e0000 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+0xb4/0x370 net/sctp/socket.c:5163
 sk_common_release+0x75/0x310 net/core/sock.c:3961
 sctp_close+0x77e/0x900 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:1455
 __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: 0033:0x7f041dd8efc9
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:00007ffe33267cc8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000014b06 RCX: 00007f041dd8efc9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000533267fbf
R10: 0000001b2ed20000 R11: 0000000000000246 R12: 00007f041dfe5fac
R13: 00007f041dfe5fa0 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 26 71 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 7c ee 92 fd 49 8b 17 48 c7 c7 80 0a bf 8b 48 89 de 4c 89 f9 e8 07 c6 94 fc 90 <0f> 0b 4c 89 f7 e8 4c 26 71 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 4d
RSP: 0018:ffffc900042c7ad8 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff8880327c5b48 RCX: d4ee44be09285100
RDX: 0000000000000000 RSI: 0000000000000202 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffc900042c7807 R09: 1ffff92000858f00
R10: dffffc0000000000 R11: fffff52000858f01 R12: 1ffff1100427eb3f
R13: dffffc0000000000 R14: ffff8880213f59f8 R15: ffff8880213f59f8
FS:  0000555574e69500(0000) GS:ffff88812613e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000480 CR3: 00000000739e0000 CR4: 00000000003526f0

final repro crashed as (corrupted=false):
 slab net_namespace start ffff8880213f4900 pointer offset 4344 size 9088
list_del corruption. prev->next should be ffff8880327c5b48, but was ffff8880327c5208. (prev=ffff8880213f59f8)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:64!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6023 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 26 71 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 7c ee 92 fd 49 8b 17 48 c7 c7 80 0a bf 8b 48 89 de 4c 89 f9 e8 07 c6 94 fc 90 <0f> 0b 4c 89 f7 e8 4c 26 71 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 4d
RSP: 0018:ffffc900042c7ad8 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff8880327c5b48 RCX: d4ee44be09285100
RDX: 0000000000000000 RSI: 0000000000000202 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffc900042c7807 R09: 1ffff92000858f00
R10: dffffc0000000000 R11: fffff52000858f01 R12: 1ffff1100427eb3f
R13: dffffc0000000000 R14: ffff8880213f59f8 R15: ffff8880213f59f8
FS:  0000555574e69500(0000) GS:ffff88812613e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000480 CR3: 00000000739e0000 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+0xb4/0x370 net/sctp/socket.c:5163
 sk_common_release+0x75/0x310 net/core/sock.c:3961
 sctp_close+0x77e/0x900 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:1455
 __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: 0033:0x7f041dd8efc9
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:00007ffe33267cc8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000014b06 RCX: 00007f041dd8efc9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000533267fbf
R10: 0000001b2ed20000 R11: 0000000000000246 R12: 00007f041dfe5fac
R13: 00007f041dfe5fa0 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 26 71 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 7c ee 92 fd 49 8b 17 48 c7 c7 80 0a bf 8b 48 89 de 4c 89 f9 e8 07 c6 94 fc 90 <0f> 0b 4c 89 f7 e8 4c 26 71 fd 43 80 3c 2c 00 74 08 4c 89 ff e8 4d
RSP: 0018:ffffc900042c7ad8 EFLAGS: 00010246
RAX: 000000000000006d RBX: ffff8880327c5b48 RCX: d4ee44be09285100
RDX: 0000000000000000 RSI: 0000000000000202 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffc900042c7807 R09: 1ffff92000858f00
R10: dffffc0000000000 R11: fffff52000858f01 R12: 1ffff1100427eb3f
R13: dffffc0000000000 R14: ffff8880213f59f8 R15: ffff8880213f59f8
FS:  0000555574e69500(0000) GS:ffff88812613e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000480 CR3: 00000000739e0000 CR4: 00000000003526f0