Extracting prog: 6m5.888296061s
Minimizing prog: 36m9.835430355s
Simplifying prog options: 12m42.477037337s
Extracting C: 1m24.24013592s
Simplifying C: 0s


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$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x24, r1, 0x1, 0x70bd24, 0x25dfdbfe, {}, [@FOU_ATTR_PORT={0x6, 0x1, 0x4e20}, @FOU_ATTR_TYPE={0x5, 0x4, 0x1}]}, 0x24}}, 0x4000080)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {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$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x24, r1, 0x1, 0x70bd24, 0x25dfdbfe, {}, [@FOU_ATTR_PORT={0x6, 0x1, 0x4e20}, @FOU_ATTR_TYPE={0x5, 0x4, 0x1}]}, 0x24}}, 0x4000080)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x24, r1, 0x1, 0x70bd24, 0x25dfdbfe, {}, [@FOU_ATTR_PORT={0x6, 0x1, 0x4e20}, @FOU_ATTR_TYPE={0x5, 0x4, 0x1}]}, 0x24}}, 0x4000080)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program crashed: unregister_netdevice: waiting for DEV to become free
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x24, r1, 0x1, 0x70bd24, 0x25dfdbfe, {}, [@FOU_ATTR_PORT={0x6, 0x1, 0x4e20}, @FOU_ATTR_TYPE={0x5, 0x4, 0x1}]}, 0x24}}, 0x4000080)

program did not crash
testing program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$fou-syz_emit_ethernet
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program did not crash
testing program (duration=6m0s, {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$nl_generic-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$FOU_CMD_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x24, 0x0, 0x1, 0x70bd24, 0x25dfdbfe, {}, [@FOU_ATTR_PORT={0x6, 0x1, 0x4e20}, @FOU_ATTR_TYPE={0x5, 0x4, 0x1}]}, 0x24}}, 0x4000080)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=6m0s, {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}}): syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x24, r0, 0x1, 0x70bd24, 0x25dfdbfe, {}, [@FOU_ATTR_PORT={0x6, 0x1, 0x4e20}, @FOU_ATTR_TYPE={0x5, 0x4, 0x1}]}, 0x24}}, 0x4000080)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program did not crash
testing program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$fou(0x0, 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x24, r1, 0x1, 0x70bd24, 0x25dfdbfe, {}, [@FOU_ATTR_PORT={0x6, 0x1, 0x4e20}, @FOU_ATTR_TYPE={0x5, 0x4, 0x1}]}, 0x24}}, 0x4000080)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(r0, 0x0, 0x4000080)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program did not crash
testing program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x4000080)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x4000080)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program did not crash
testing program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x24, r1, 0x1, 0x70bd24, 0x25dfdbfe, {}, [@FOU_ATTR_PORT={0x6, 0x1, 0x4e20}, @FOU_ATTR_TYPE={0x5, 0x4, 0x1}]}, 0x24}}, 0x4000080)
syz_emit_ethernet(0x0, 0x0, 0x0)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
program did not crash
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x24, r1, 0x1, 0x70bd24, 0x25dfdbfe, {}, [@FOU_ATTR_PORT={0x6, 0x1, 0x4e20}, @FOU_ATTR_TYPE={0x5, 0x4, 0x1}]}, 0x24}}, 0x4000080)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program crashed: unregister_netdevice: waiting for DEV to become free
extracting C reproducer
testing compiled C program (duration=6m0s, {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$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x24, r1, 0x1, 0x70bd24, 0x25dfdbfe, {}, [@FOU_ATTR_PORT={0x6, 0x1, 0x4e20}, @FOU_ATTR_TYPE={0x5, 0x4, 0x1}]}, 0x24}}, 0x4000080)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program crashed: unregister_netdevice: waiting for DEV to become free
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
program did not crash
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x24, r1, 0x1, 0x70bd24, 0x25dfdbfe, {}, [@FOU_ATTR_PORT={0x6, 0x1, 0x4e20}, @FOU_ATTR_TYPE={0x5, 0x4, 0x1}]}, 0x24}}, 0x4000080)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program crashed: unregister_netdevice: waiting for DEV to become free
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x24, r1, 0x1, 0x70bd24, 0x25dfdbfe, {}, [@FOU_ATTR_PORT={0x6, 0x1, 0x4e20}, @FOU_ATTR_TYPE={0x5, 0x4, 0x1}]}, 0x24}}, 0x4000080)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
validation run: crashed=false
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x24, r1, 0x1, 0x70bd24, 0x25dfdbfe, {}, [@FOU_ATTR_PORT={0x6, 0x1, 0x4e20}, @FOU_ATTR_TYPE={0x5, 0x4, 0x1}]}, 0x24}}, 0x4000080)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program crashed: unregister_netdevice: waiting for DEV to become free
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_genetlink_get_family_id$fou-sendmsg$FOU_CMD_ADD-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$FOU_CMD_ADD(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000080)={0x24, r1, 0x1, 0x70bd24, 0x25dfdbfe, {}, [@FOU_ATTR_PORT={0x6, 0x1, 0x4e20}, @FOU_ATTR_TYPE={0x5, 0x4, 0x1}]}, 0x24}}, 0x4000080)
syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e20, 0x8}}}}}, 0x0)

program crashed: unregister_netdevice: waiting for DEV to become free
validation run: crashed=true
reproducing took 1h6m14.354348974s
repro crashed as (corrupted=false):
unregister_netdevice: waiting for lo to become free. Usage count = 2
ref_tracker: netdev@ffff888037ac4658 has 1/1 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4471 [inline]
     netdev_hold include/linux/netdevice.h:4500 [inline]
     dst_init+0xda/0x5b0 net/core/dst.c:52
     dst_alloc+0xbb/0x1a0 net/core/dst.c:94
     rt_dst_alloc+0x35/0x3a0 net/ipv4/route.c:1651
     ip_route_input_slow+0x15b8/0x3fa0 net/ipv4/route.c:2429
     ip_route_input_rcu net/ipv4/route.c:2543 [inline]
     ip_route_input_noref+0x122/0x2e0 net/ipv4/route.c:2554
     ip_rcv_finish_core+0x459/0x2c30 net/ipv4/ip_input.c:407
     ip_rcv_finish net/ipv4/ip_input.c:490 [inline]
     NF_HOOK include/linux/netfilter.h:318 [inline]
     NF_HOOK include/linux/netfilter.h:312 [inline]
     ip_rcv+0x1c0/0x3c0 net/ipv4/ip_input.c:612
     __netif_receive_skb_one_core+0x197/0x1e0 net/core/dev.c:6202
     __netif_receive_skb+0x1f/0x120 net/core/dev.c:6315
     netif_receive_skb_internal net/core/dev.c:6401 [inline]
     netif_receive_skb+0x13b/0x7f0 net/core/dev.c:6460
     tun_rx_batched.isra.0+0x3f6/0x750 drivers/net/tun.c:1511
     tun_get_user+0x1e31/0x3c20 drivers/net/tun.c:1955
     tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2001
     new_sync_write fs/read_write.c:595 [inline]
     vfs_write+0x6ac/0x1070 fs/read_write.c:688
     ksys_write+0x12a/0x250 fs/read_write.c:740
     do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
     do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94


final repro crashed as (corrupted=false):
unregister_netdevice: waiting for lo to become free. Usage count = 2
ref_tracker: netdev@ffff888037ac4658 has 1/1 users at
     __netdev_tracker_alloc include/linux/netdevice.h:4471 [inline]
     netdev_hold include/linux/netdevice.h:4500 [inline]
     dst_init+0xda/0x5b0 net/core/dst.c:52
     dst_alloc+0xbb/0x1a0 net/core/dst.c:94
     rt_dst_alloc+0x35/0x3a0 net/ipv4/route.c:1651
     ip_route_input_slow+0x15b8/0x3fa0 net/ipv4/route.c:2429
     ip_route_input_rcu net/ipv4/route.c:2543 [inline]
     ip_route_input_noref+0x122/0x2e0 net/ipv4/route.c:2554
     ip_rcv_finish_core+0x459/0x2c30 net/ipv4/ip_input.c:407
     ip_rcv_finish net/ipv4/ip_input.c:490 [inline]
     NF_HOOK include/linux/netfilter.h:318 [inline]
     NF_HOOK include/linux/netfilter.h:312 [inline]
     ip_rcv+0x1c0/0x3c0 net/ipv4/ip_input.c:612
     __netif_receive_skb_one_core+0x197/0x1e0 net/core/dev.c:6202
     __netif_receive_skb+0x1f/0x120 net/core/dev.c:6315
     netif_receive_skb_internal net/core/dev.c:6401 [inline]
     netif_receive_skb+0x13b/0x7f0 net/core/dev.c:6460
     tun_rx_batched.isra.0+0x3f6/0x750 drivers/net/tun.c:1511
     tun_get_user+0x1e31/0x3c20 drivers/net/tun.c:1955
     tun_chr_write_iter+0xdc/0x200 drivers/net/tun.c:2001
     new_sync_write fs/read_write.c:595 [inline]
     vfs_write+0x6ac/0x1070 fs/read_write.c:688
     ksys_write+0x12a/0x250 fs/read_write.c:740
     do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
     do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94