Extracting prog: 42.812642559s
Minimizing prog: 21m6.818983835s
Simplifying prog options: 0s
Extracting C: 1m42.285935111s
Simplifying C: 18m56.449999314s


extracting reproducer from 30 programs
first checking the prog from the crash report
single: executing 1 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}}): sendmmsg$inet6-socket$nl_generic-syz_clone-getpgid-syz_pidfd_open-syz_clone-pidfd_send_signal-syz_genetlink_get_family_id$nl80211-socket$unix-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_SET_INTERFACE-sendmsg$NL80211_CMD_START_AP
detailed listing:
executing program 0:
sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000006b40)=[{{0x0, 0x0, &(0x7f0000001700)=[{&(0x7f0000000600)="4db67df5689e2125a2162cfb7fcd57d08e760c80a4f3c9a0ab4d22cc326d3f032787cd8316b398c57aa4", 0x2a}, {0x0}], 0x2}}], 0x1, 0x4c814)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
syz_clone(0x60000400, 0x0, 0x0, 0x0, 0x0, 0x0)
r1 = getpgid(0x0)
r2 = syz_pidfd_open(r1, 0x0)
syz_clone(0x40000000, 0x0, 0x0, 0x0, 0x0, 0x0)
pidfd_send_signal(r2, 0x21, 0x0, 0x4)
r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff)
r4 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000000c0)={'wlan1\x00', <r5=>0x0})
sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x24, r3, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x3}]}, 0x24}}, 0x0)
sendmsg$NL80211_CMD_START_AP(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000540)=ANY=[], 0x120}, 0x1, 0x0, 0x0, 0x90}, 0x0)

program crashed: WARNING in ip6mr_free_table
single: successfully extracted reproducer
found reproducer with 12 syscalls
minimizing guilty program
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}}): sendmmsg$inet6-socket$nl_generic-syz_clone-getpgid-syz_pidfd_open-syz_clone-pidfd_send_signal-syz_genetlink_get_family_id$nl80211-socket$unix-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_SET_INTERFACE
detailed listing:
executing program 0:
sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000006b40)=[{{0x0, 0x0, &(0x7f0000001700)=[{&(0x7f0000000600)="4db67df5689e2125a2162cfb7fcd57d08e760c80a4f3c9a0ab4d22cc326d3f032787cd8316b398c57aa4", 0x2a}, {0x0}], 0x2}}], 0x1, 0x4c814)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
syz_clone(0x60000400, 0x0, 0x0, 0x0, 0x0, 0x0)
r1 = getpgid(0x0)
r2 = syz_pidfd_open(r1, 0x0)
syz_clone(0x40000000, 0x0, 0x0, 0x0, 0x0, 0x0)
pidfd_send_signal(r2, 0x21, 0x0, 0x4)
r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff)
r4 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000000c0)={'wlan1\x00', <r5=>0x0})
sendmsg$NL80211_CMD_SET_INTERFACE(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x24, r3, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r5}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x3}]}, 0x24}}, 0x0)

program crashed: WARNING in ip6mr_free_table
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}}): sendmmsg$inet6-socket$nl_generic-syz_clone-getpgid-syz_pidfd_open-syz_clone-pidfd_send_signal-syz_genetlink_get_family_id$nl80211-socket$unix-ioctl$sock_SIOCGIFINDEX_80211
detailed listing:
executing program 0:
sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000006b40)=[{{0x0, 0x0, &(0x7f0000001700)=[{&(0x7f0000000600)="4db67df5689e2125a2162cfb7fcd57d08e760c80a4f3c9a0ab4d22cc326d3f032787cd8316b398c57aa4", 0x2a}, {0x0}], 0x2}}], 0x1, 0x4c814)
socket$nl_generic(0x10, 0x3, 0x10)
syz_clone(0x60000400, 0x0, 0x0, 0x0, 0x0, 0x0)
r0 = getpgid(0x0)
r1 = syz_pidfd_open(r0, 0x0)
syz_clone(0x40000000, 0x0, 0x0, 0x0, 0x0, 0x0)
pidfd_send_signal(r1, 0x21, 0x0, 0x4)
syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff)
r2 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f00000000c0)={'wlan1\x00'})

program crashed: WARNING in ip6mr_free_table
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}}): sendmmsg$inet6-socket$nl_generic-syz_clone-getpgid-syz_pidfd_open-syz_clone-pidfd_send_signal-syz_genetlink_get_family_id$nl80211-socket$unix
detailed listing:
executing program 0:
sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000006b40)=[{{0x0, 0x0, &(0x7f0000001700)=[{&(0x7f0000000600)="4db67df5689e2125a2162cfb7fcd57d08e760c80a4f3c9a0ab4d22cc326d3f032787cd8316b398c57aa4", 0x2a}, {0x0}], 0x2}}], 0x1, 0x4c814)
socket$nl_generic(0x10, 0x3, 0x10)
syz_clone(0x60000400, 0x0, 0x0, 0x0, 0x0, 0x0)
r0 = getpgid(0x0)
r1 = syz_pidfd_open(r0, 0x0)
syz_clone(0x40000000, 0x0, 0x0, 0x0, 0x0, 0x0)
pidfd_send_signal(r1, 0x21, 0x0, 0x4)
syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff)
socket$unix(0x1, 0x5, 0x0)

program crashed: WARNING in ip6mr_free_table
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}}): sendmmsg$inet6-socket$nl_generic-syz_clone-getpgid-syz_pidfd_open-syz_clone-pidfd_send_signal-syz_genetlink_get_family_id$nl80211
detailed listing:
executing program 0:
sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000006b40)=[{{0x0, 0x0, &(0x7f0000001700)=[{&(0x7f0000000600)="4db67df5689e2125a2162cfb7fcd57d08e760c80a4f3c9a0ab4d22cc326d3f032787cd8316b398c57aa4", 0x2a}, {0x0}], 0x2}}], 0x1, 0x4c814)
socket$nl_generic(0x10, 0x3, 0x10)
syz_clone(0x60000400, 0x0, 0x0, 0x0, 0x0, 0x0)
r0 = getpgid(0x0)
r1 = syz_pidfd_open(r0, 0x0)
syz_clone(0x40000000, 0x0, 0x0, 0x0, 0x0, 0x0)
pidfd_send_signal(r1, 0x21, 0x0, 0x4)
syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff)

program crashed: WARNING in ip6mr_free_table
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}}): sendmmsg$inet6-socket$nl_generic-syz_clone-getpgid-syz_pidfd_open-syz_clone-pidfd_send_signal
detailed listing:
executing program 0:
sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000006b40)=[{{0x0, 0x0, &(0x7f0000001700)=[{&(0x7f0000000600)="4db67df5689e2125a2162cfb7fcd57d08e760c80a4f3c9a0ab4d22cc326d3f032787cd8316b398c57aa4", 0x2a}, {0x0}], 0x2}}], 0x1, 0x4c814)
socket$nl_generic(0x10, 0x3, 0x10)
syz_clone(0x60000400, 0x0, 0x0, 0x0, 0x0, 0x0)
r0 = getpgid(0x0)
r1 = syz_pidfd_open(r0, 0x0)
syz_clone(0x40000000, 0x0, 0x0, 0x0, 0x0, 0x0)
pidfd_send_signal(r1, 0x21, 0x0, 0x4)

program crashed: WARNING in ip6mr_free_table
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}}): sendmmsg$inet6-socket$nl_generic-syz_clone-getpgid-syz_pidfd_open-syz_clone
detailed listing:
executing program 0:
sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000006b40)=[{{0x0, 0x0, &(0x7f0000001700)=[{&(0x7f0000000600)="4db67df5689e2125a2162cfb7fcd57d08e760c80a4f3c9a0ab4d22cc326d3f032787cd8316b398c57aa4", 0x2a}, {0x0}], 0x2}}], 0x1, 0x4c814)
socket$nl_generic(0x10, 0x3, 0x10)
syz_clone(0x60000400, 0x0, 0x0, 0x0, 0x0, 0x0)
r0 = getpgid(0x0)
syz_pidfd_open(r0, 0x0)
syz_clone(0x40000000, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in ip6mr_free_table
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}}): sendmmsg$inet6-socket$nl_generic-syz_clone-getpgid-syz_pidfd_open
detailed listing:
executing program 0:
sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000006b40)=[{{0x0, 0x0, &(0x7f0000001700)=[{&(0x7f0000000600)="4db67df5689e2125a2162cfb7fcd57d08e760c80a4f3c9a0ab4d22cc326d3f032787cd8316b398c57aa4", 0x2a}, {0x0}], 0x2}}], 0x1, 0x4c814)
socket$nl_generic(0x10, 0x3, 0x10)
syz_clone(0x60000400, 0x0, 0x0, 0x0, 0x0, 0x0)
r0 = getpgid(0x0)
syz_pidfd_open(r0, 0x0)

program crashed: WARNING in ip6mr_free_table
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}}): sendmmsg$inet6-socket$nl_generic-syz_clone-getpgid
detailed listing:
executing program 0:
sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000006b40)=[{{0x0, 0x0, &(0x7f0000001700)=[{&(0x7f0000000600)="4db67df5689e2125a2162cfb7fcd57d08e760c80a4f3c9a0ab4d22cc326d3f032787cd8316b398c57aa4", 0x2a}, {0x0}], 0x2}}], 0x1, 0x4c814)
socket$nl_generic(0x10, 0x3, 0x10)
syz_clone(0x60000400, 0x0, 0x0, 0x0, 0x0, 0x0)
getpgid(0x0)

program crashed: WARNING in ip6mr_free_table
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}}): sendmmsg$inet6-socket$nl_generic-syz_clone
detailed listing:
executing program 0:
sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000006b40)=[{{0x0, 0x0, &(0x7f0000001700)=[{&(0x7f0000000600)="4db67df5689e2125a2162cfb7fcd57d08e760c80a4f3c9a0ab4d22cc326d3f032787cd8316b398c57aa4", 0x2a}, {0x0}], 0x2}}], 0x1, 0x4c814)
socket$nl_generic(0x10, 0x3, 0x10)
syz_clone(0x60000400, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in ip6mr_free_table
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}}): sendmmsg$inet6-socket$nl_generic
detailed listing:
executing program 0:
sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000006b40)=[{{0x0, 0x0, &(0x7f0000001700)=[{&(0x7f0000000600)="4db67df5689e2125a2162cfb7fcd57d08e760c80a4f3c9a0ab4d22cc326d3f032787cd8316b398c57aa4", 0x2a}, {0x0}], 0x2}}], 0x1, 0x4c814)
socket$nl_generic(0x10, 0x3, 0x10)

program did not crash
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}}): sendmmsg$inet6-syz_clone
detailed listing:
executing program 0:
sendmmsg$inet6(0xffffffffffffffff, &(0x7f0000006b40)=[{{0x0, 0x0, &(0x7f0000001700)=[{&(0x7f0000000600)="4db67df5689e2125a2162cfb7fcd57d08e760c80a4f3c9a0ab4d22cc326d3f032787cd8316b398c57aa4", 0x2a}, {0x0}], 0x2}}], 0x1, 0x4c814)
syz_clone(0x60000400, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in ip6mr_free_table
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}}): syz_clone
detailed listing:
executing program 0:
syz_clone(0x60000400, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in ip6mr_free_table
extracting C reproducer
testing compiled C 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}}): syz_clone
program crashed: WARNING in ip6mr_free_table
simplifying C reproducer
testing compiled C program (duration=6m0s, {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}}): syz_clone
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true 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}}): syz_clone
program crashed: WARNING in ip6mr_free_table
testing compiled C program (duration=6m0s, {Threaded:true 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}}): syz_clone
program crashed: WARNING in ip6mr_free_table
testing compiled C program (duration=6m0s, {Threaded:true 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}}): syz_clone
program crashed: WARNING in ip6mr_free_table
testing compiled C program (duration=6m0s, {Threaded:true 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}}): syz_clone
program crashed: WARNING in ip6mr_free_table
testing compiled C program (duration=6m0s, {Threaded:true 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}}): syz_clone
program crashed: WARNING in ip6mr_free_table
testing compiled C program (duration=6m0s, {Threaded:true 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}}): syz_clone
program crashed: WARNING in ip6mr_free_table
reproducing took 42m28.367597908s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 1 PID: 15726 at net/ipv6/ip6mr.c:419 ip6mr_free_table+0xbd/0x120 net/ipv6/ip6mr.c:419
Modules linked in:
CPU: 1 UID: 0 PID: 15726 Comm: syz-executor294 Not tainted 6.13.0-rc1-syzkaller-00001-ge70140ba0d2b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ip6mr_free_table+0xbd/0x120 net/ipv6/ip6mr.c:419
Code: 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 58 49 83 bc 24 c0 0e 00 00 00 74 09 e8 c4 c5 af f7 90 <0f> 0b 90 e8 bb c5 af f7 48 8d 7b 38 e8 22 86 9c f7 48 89 df be 0f
RSP: 0018:ffffc9000e437820 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88807b164000 RCX: ffffffff89ea4014
RDX: ffff88807c38c880 RSI: ffffffff89ea404c RDI: ffff88807f256980
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88807f255ac0
R13: ffff88807b164000 R14: ffff88807b164008 R15: dead000000000100
FS:  00007f391d0d96c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc447117d8 CR3: 0000000035e38000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ip6mr_rules_exit+0x176/0x2d0 net/ipv6/ip6mr.c:283
 ip6mr_net_exit_batch+0x53/0xa0 net/ipv6/ip6mr.c:1388
 ops_exit_list+0x128/0x180 net/core/net_namespace.c:177
 setup_net+0x4fe/0x860 net/core/net_namespace.c:394
 copy_net_ns+0x2b4/0x6b0 net/core/net_namespace.c:500
 create_new_namespaces+0x3ea/0xad0 kernel/nsproxy.c:110
 copy_namespaces+0x468/0x560 kernel/nsproxy.c:179
 copy_process+0x2a11/0x8df0 kernel/fork.c:2398
 kernel_clone+0xfd/0x960 kernel/fork.c:2807
 __do_sys_clone+0xba/0x100 kernel/fork.c:2950
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f391d11e2a9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f391d0d9238 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f391d1a8308 RCX: 00007f391d11e2a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000060000400
RBP: 00007f391d1a8300 R08: 0000000000000000 R09: 00007f391d0d96c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f391d1a830c
R13: 0000000000000000 R14: 00007ffc44711710 R15: 00007ffc447117f8
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 1 PID: 15726 at net/ipv6/ip6mr.c:419 ip6mr_free_table+0xbd/0x120 net/ipv6/ip6mr.c:419
Modules linked in:
CPU: 1 UID: 0 PID: 15726 Comm: syz-executor294 Not tainted 6.13.0-rc1-syzkaller-00001-ge70140ba0d2b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ip6mr_free_table+0xbd/0x120 net/ipv6/ip6mr.c:419
Code: 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 58 49 83 bc 24 c0 0e 00 00 00 74 09 e8 c4 c5 af f7 90 <0f> 0b 90 e8 bb c5 af f7 48 8d 7b 38 e8 22 86 9c f7 48 89 df be 0f
RSP: 0018:ffffc9000e437820 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88807b164000 RCX: ffffffff89ea4014
RDX: ffff88807c38c880 RSI: ffffffff89ea404c RDI: ffff88807f256980
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88807f255ac0
R13: ffff88807b164000 R14: ffff88807b164008 R15: dead000000000100
FS:  00007f391d0d96c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc447117d8 CR3: 0000000035e38000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ip6mr_rules_exit+0x176/0x2d0 net/ipv6/ip6mr.c:283
 ip6mr_net_exit_batch+0x53/0xa0 net/ipv6/ip6mr.c:1388
 ops_exit_list+0x128/0x180 net/core/net_namespace.c:177
 setup_net+0x4fe/0x860 net/core/net_namespace.c:394
 copy_net_ns+0x2b4/0x6b0 net/core/net_namespace.c:500
 create_new_namespaces+0x3ea/0xad0 kernel/nsproxy.c:110
 copy_namespaces+0x468/0x560 kernel/nsproxy.c:179
 copy_process+0x2a11/0x8df0 kernel/fork.c:2398
 kernel_clone+0xfd/0x960 kernel/fork.c:2807
 __do_sys_clone+0xba/0x100 kernel/fork.c:2950
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f391d11e2a9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f391d0d9238 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f391d1a8308 RCX: 00007f391d11e2a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000060000400
RBP: 00007f391d1a8300 R08: 0000000000000000 R09: 00007f391d0d96c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f391d1a830c
R13: 0000000000000000 R14: 00007ffc44711710 R15: 00007ffc447117f8
 </TASK>