Extracting prog: 4m7.571943739s Minimizing prog: 1h12m54.555400495s Simplifying prog options: 0s Extracting C: 20.377992599s Simplifying C: 45m19.759850959s 1 programs, timeouts [30s 6m0s] 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000000)=0xff, 0x4) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) (async) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) program did not crash 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000000)=0xff, 0x4) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) (async) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) program crashed: WARNING in inet_sock_destruct single: successfully extracted reproducer found reproducer with 10 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000000)=0xff, 0x4) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) (async) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000000)=0xff, 0x4) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000000)=0xff, 0x4) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) (async) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) program crashed: WARNING in inet_sock_destruct 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000000)=0xff, 0x4) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) (async) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) program crashed: WARNING in inet_sock_destruct 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000000)=0xff, 0x4) syz_emit_ethernet(0x0, 0x0, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) (async) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) program crashed: WARNING in inet_sock_destruct 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000000)=0xff, 0x4) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) (async) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) program crashed: WARNING in inet_sock_destruct 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) (async) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @empty}, 0x1c) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000000)=0xff, 0x4) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) (async) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000000)=0xff, 0x4) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) (async) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: bind$inet6(0xffffffffffffffff, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(0xffffffffffffffff, 0x0) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x4, &(0x7f0000000000)=0xff, 0x4) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) (async) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000000)=0xff, 0x4) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, 0x0, 0x0) listen(r0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000000)=0xff, 0x4) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) (async) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4, 0x0, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) (async) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000000)=0xff, 0x4) syz_emit_ethernet(0x0, 0x0, 0x0) (async) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet detailed listing: executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r0, 0x0) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000000)=0xff, 0x4) syz_emit_ethernet(0x4a, &(0x7f0000000240)={@local, @remote, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a8435", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x5, 0x4}}}}}}}, 0x0) (async) syz_emit_ethernet(0x0, 0x0, 0x0) program did not crash 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet program crashed: WARNING in inet_sock_destruct simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet 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}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet program crashed: WARNING in inet_sock_destruct testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet 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:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet program crashed: WARNING in inet_sock_destruct 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:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet program crashed: WARNING in inet_sock_destruct testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet program crashed: WARNING in inet_sock_destruct 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:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet program crashed: WARNING in inet_sock_destruct testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet program crashed: WARNING in inet_sock_destruct 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:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet program crashed: WARNING in inet_sock_destruct testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet program crashed: WARNING in inet_sock_destruct 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:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet program crashed: WARNING in inet_sock_destruct testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet program crashed: WARNING in inet_sock_destruct 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:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet program crashed: WARNING in inet_sock_destruct testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet program crashed: WARNING in inet_sock_destruct 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:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-bind$inet6-listen-setsockopt$inet6_int-syz_emit_ethernet-syz_emit_ethernet program crashed: WARNING in inet_sock_destruct reproducing took 2h2m42.265205454s repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x6f6/0x8b0 net/ipv4/af_inet.c:156 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:inet_sock_destruct+0x6f6/0x8b0 net/ipv4/af_inet.c:156 Code: 0f 0b 90 e9 fa fd ff ff e8 47 7e f2 f7 90 0f 0b 90 e9 30 fe ff ff e8 39 7e f2 f7 90 0f 0b 90 e9 84 fd ff ff e8 2b 7e f2 f7 90 <0f> 0b 90 e9 8f fe ff ff e8 ad fd 53 f8 e9 65 fc ff ff 48 89 ef e8 RSP: 0018:ffffc90000007da8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888037182880 RCX: ffffffff899aff65 RDX: ffffffff8de957c0 RSI: ffffffff899b00d5 RDI: 0000000000000005 RBP: 0000000000000300 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000300 R11: 0000000000000000 R12: ffff8880371828a8 R13: ffff888037182910 R14: 0000000000000000 R15: 000000000000002b FS: 0000000000000000(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffb7905098 CR3: 000000002514e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sk_destruct+0x4d/0x720 net/core/sock.c:2259 rcu_do_batch kernel/rcu/tree.c:2567 [inline] rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2823 handle_softirqs+0x213/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:92 [inline] RIP: 0010:default_idle+0xf/0x20 arch/x86/kernel/process.c:743 Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d c3 22 44 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff8de07e20 EFLAGS: 00000206 RAX: 00000000002e90d1 RBX: 0000000000000000 RCX: ffffffff8b226579 RDX: 0000000000000000 RSI: ffffffff8b6cd0c0 RDI: ffffffff8bd1aa80 RBP: fffffbfff1bd2af8 R08: 0000000000000001 R09: ffffed100d4c7025 R10: ffff88806a63812b R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff8de957c0 R14: ffffffff905f4b48 R15: 0000000000000000 default_idle_call+0x6d/0xb0 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x32c/0x3f0 kernel/sched/idle.c:326 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:424 rest_init+0x16b/0x2b0 init/main.c:747 start_kernel+0x3e4/0x4d0 init/main.c:1105 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x148 ---------------- Code disassembly (best guess): 0: 4c 01 c7 add %r8,%rdi 3: 4c 29 c2 sub %r8,%rdx 6: e9 72 ff ff ff jmp 0xffffff7d b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d c3 22 44 00 verw 0x4422c3(%rip) # 0x4422eb 28: fb sti 29: f4 hlt * 2a: fa cli <-- trapping instruction 2b: c3 ret 2c: cc int3 2d: cc int3 2e: cc int3 2f: cc int3 30: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) 37: 00 00 00 00 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop final repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x6f6/0x8b0 net/ipv4/af_inet.c:156 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:inet_sock_destruct+0x6f6/0x8b0 net/ipv4/af_inet.c:156 Code: 0f 0b 90 e9 fa fd ff ff e8 47 7e f2 f7 90 0f 0b 90 e9 30 fe ff ff e8 39 7e f2 f7 90 0f 0b 90 e9 84 fd ff ff e8 2b 7e f2 f7 90 <0f> 0b 90 e9 8f fe ff ff e8 ad fd 53 f8 e9 65 fc ff ff 48 89 ef e8 RSP: 0018:ffffc90000007da8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888037182880 RCX: ffffffff899aff65 RDX: ffffffff8de957c0 RSI: ffffffff899b00d5 RDI: 0000000000000005 RBP: 0000000000000300 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000300 R11: 0000000000000000 R12: ffff8880371828a8 R13: ffff888037182910 R14: 0000000000000000 R15: 000000000000002b FS: 0000000000000000(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffb7905098 CR3: 000000002514e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sk_destruct+0x4d/0x720 net/core/sock.c:2259 rcu_do_batch kernel/rcu/tree.c:2567 [inline] rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2823 handle_softirqs+0x213/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:92 [inline] RIP: 0010:default_idle+0xf/0x20 arch/x86/kernel/process.c:743 Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d c3 22 44 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff8de07e20 EFLAGS: 00000206 RAX: 00000000002e90d1 RBX: 0000000000000000 RCX: ffffffff8b226579 RDX: 0000000000000000 RSI: ffffffff8b6cd0c0 RDI: ffffffff8bd1aa80 RBP: fffffbfff1bd2af8 R08: 0000000000000001 R09: ffffed100d4c7025 R10: ffff88806a63812b R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff8de957c0 R14: ffffffff905f4b48 R15: 0000000000000000 default_idle_call+0x6d/0xb0 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x32c/0x3f0 kernel/sched/idle.c:326 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:424 rest_init+0x16b/0x2b0 init/main.c:747 start_kernel+0x3e4/0x4d0 init/main.c:1105 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x148 ---------------- Code disassembly (best guess): 0: 4c 01 c7 add %r8,%rdi 3: 4c 29 c2 sub %r8,%rdx 6: e9 72 ff ff ff jmp 0xffffff7d b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d c3 22 44 00 verw 0x4422c3(%rip) # 0x4422eb 28: fb sti 29: f4 hlt * 2a: fa cli <-- trapping instruction 2b: c3 ret 2c: cc int3 2d: cc int3 2e: cc int3 2f: cc int3 30: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) 37: 00 00 00 00 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop