Extracting prog: 1m26.751573552s Minimizing prog: 8m22.432157609s Simplifying prog options: 0s Extracting C: 43.898853513s Simplifying C: 8m39.083594852s 1 programs, timeouts [15s 1m40s 6m0s] extracting reproducer from 1 programs single: executing 1 programs separately with timeout 15s testing program (duration=15s, {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-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink detailed listing: executing program 0: r0 = socket(0x200000100000011, 0x3, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000005c0)={'gre0\x00', 0x0}) bind$packet(r0, &(0x7f0000000180)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @local}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000000)=ANY=[@ANYBLOB="03011400012919000e050000ad0001140000002f0000ac141420e0000001808a8972bd0b72e410820c520f0604e4fdfe4b8894305af79f6b4c1195100100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e4cf0dafad29b308cde521aa0c3"], 0x3000}], 0x1}, 0x0) program crashed: WARNING in skb_checksum_help single: successfully extracted reproducer found reproducer with 6 syscalls minimizing guilty program testing program (duration=22.5s, {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-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int detailed listing: executing program 0: r0 = socket(0x200000100000011, 0x3, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000005c0)={'gre0\x00', 0x0}) bind$packet(r0, &(0x7f0000000180)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @local}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) program did not crash testing program (duration=22.5s, {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-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-sendmsg$netlink detailed listing: executing program 0: r0 = socket(0x200000100000011, 0x3, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000005c0)={'gre0\x00', 0x0}) bind$packet(r0, &(0x7f0000000180)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @local}, 0x14) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000000)=ANY=[@ANYBLOB="03011400012919000e050000ad0001140000002f0000ac141420e0000001808a8972bd0b72e410820c520f0604e4fdfe4b8894305af79f6b4c1195100100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e4cf0dafad29b308cde521aa0c3"], 0x3000}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {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-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-setsockopt$packet_int-sendmsg$netlink detailed listing: executing program 0: r0 = socket(0x200000100000011, 0x3, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000005c0)={'gre0\x00'}) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000000)=ANY=[@ANYBLOB="03011400012919000e050000ad0001140000002f0000ac141420e0000001808a8972bd0b72e410820c520f0604e4fdfe4b8894305af79f6b4c1195100100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e4cf0dafad29b308cde521aa0c3"], 0x3000}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {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-socket$nl_generic-bind$packet-setsockopt$packet_int-sendmsg$netlink detailed listing: executing program 0: r0 = socket(0x200000100000011, 0x3, 0x0) socket$nl_generic(0x10, 0x3, 0x10) bind$packet(r0, &(0x7f0000000180)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @local}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000000)=ANY=[@ANYBLOB="03011400012919000e050000ad0001140000002f0000ac141420e0000001808a8972bd0b72e410820c520f0604e4fdfe4b8894305af79f6b4c1195100100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e4cf0dafad29b308cde521aa0c3"], 0x3000}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {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-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink detailed listing: executing program 0: r0 = socket(0x200000100000011, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f00000005c0)={'gre0\x00', 0x0}) bind$packet(r0, &(0x7f0000000180)={0x11, 0x0, r1, 0x1, 0x0, 0x6, @local}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000000)=ANY=[@ANYBLOB="03011400012919000e050000ad0001140000002f0000ac141420e0000001808a8972bd0b72e410820c520f0604e4fdfe4b8894305af79f6b4c1195100100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e4cf0dafad29b308cde521aa0c3"], 0x3000}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {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$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000005c0)={'gre0\x00', 0x0}) bind$packet(0xffffffffffffffff, &(0x7f0000000180)={0x11, 0x0, r1, 0x1, 0x0, 0x6, @local}, 0x14) setsockopt$packet_int(0xffffffffffffffff, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000000)=ANY=[@ANYBLOB="03011400012919000e050000ad0001140000002f0000ac141420e0000001808a8972bd0b72e410820c520f0604e4fdfe4b8894305af79f6b4c1195100100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e4cf0dafad29b308cde521aa0c3"], 0x3000}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {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-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink detailed listing: executing program 0: r0 = socket(0x200000100000011, 0x3, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, 0x0) bind$packet(r0, &(0x7f0000000180)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @local}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000000)=ANY=[@ANYBLOB="03011400012919000e050000ad0001140000002f0000ac141420e0000001808a8972bd0b72e410820c520f0604e4fdfe4b8894305af79f6b4c1195100100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e4cf0dafad29b308cde521aa0c3"], 0x3000}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {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-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink detailed listing: executing program 0: r0 = socket(0x200000100000011, 0x3, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000005c0)={'gre0\x00'}) bind$packet(r0, 0x0, 0x0) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000000)=ANY=[@ANYBLOB="03011400012919000e050000ad0001140000002f0000ac141420e0000001808a8972bd0b72e410820c520f0604e4fdfe4b8894305af79f6b4c1195100100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e4cf0dafad29b308cde521aa0c3"], 0x3000}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {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-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink detailed listing: executing program 0: r0 = socket(0x200000100000011, 0x3, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000005c0)={'gre0\x00', 0x0}) bind$packet(r0, &(0x7f0000000180)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @local}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, 0x0, 0x0) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000000)=ANY=[@ANYBLOB="03011400012919000e050000ad0001140000002f0000ac141420e0000001808a8972bd0b72e410820c520f0604e4fdfe4b8894305af79f6b4c1195100100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e4cf0dafad29b308cde521aa0c3"], 0x3000}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {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-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink detailed listing: executing program 0: r0 = socket(0x200000100000011, 0x3, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000005c0)={'gre0\x00', 0x0}) bind$packet(r0, &(0x7f0000000180)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @local}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, 0x0, 0x0) program did not crash testing program (duration=22.5s, {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-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink detailed listing: executing program 0: r0 = socket(0x200000100000011, 0x3, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000005c0)={'gre0\x00', 0x0}) bind$packet(r0, &(0x7f0000000180)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @local}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, 0x0}, 0x0) program did not crash testing program (duration=22.5s, {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-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink detailed listing: executing program 0: r0 = socket(0x200000100000011, 0x3, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000005c0)={'gre0\x00', 0x0}) bind$packet(r0, &(0x7f0000000180)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @local}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{0x0, 0x3000}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {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-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink detailed listing: executing program 0: r0 = socket(0x200000100000011, 0x3, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000005c0)={'gre0\x00', 0x0}) bind$packet(r0, &(0x7f0000000180)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @local}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000000)=ANY=[@ANYBLOB], 0x3000}], 0x1}, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=22.5s, {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-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program crashed: WARNING in skb_checksum_help simplifying C reproducer testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program crashed: WARNING in skb_checksum_help testing compiled C program (duration=22.5s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program crashed: WARNING in skb_checksum_help testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program did not crash testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program crashed: WARNING in skb_checksum_help testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program did not crash testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program crashed: WARNING in skb_checksum_help testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program crashed: WARNING in skb_checksum_help testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false 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-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program crashed: WARNING in skb_checksum_help testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program crashed: WARNING in skb_checksum_help testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program crashed: WARNING in skb_checksum_help testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program crashed: WARNING in skb_checksum_help testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program crashed: WARNING in skb_checksum_help testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program crashed: WARNING in skb_checksum_help testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program crashed: WARNING in skb_checksum_help testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program crashed: WARNING in skb_checksum_help reproducing took 19m12.166209888s repro crashed as (corrupted=false): skb frag: 000000a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 skb frag: 000000b0: 00 00 00 00 ------------[ cut here ]------------ offset+2 (1321) > skb_headlen() (124) WARNING: CPU: 0 PID: 5206 at net/core/dev.c:3335 skb_checksum_help+0x5f1/0x750 net/core/dev.c:3335 Modules linked in: CPU: 0 UID: 0 PID: 5206 Comm: syz-executor406 Not tainted 6.10.0-syzkaller-12097-ge9680017b2dc #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:skb_checksum_help+0x5f1/0x750 net/core/dev.c:3335 Code: 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 52 01 00 00 44 89 e2 2b 53 74 4c 89 ee 48 c7 c7 a0 42 53 8c e8 50 0a 83 f8 90 <0f> 0b 90 90 e9 87 fe ff ff e8 f1 fb 1d f9 e9 3c fa ff ff e8 17 fc RSP: 0018:ffffc900033c6f10 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff888024443680 RCX: ffffffff814cc4b9 RDX: ffff888029cd8000 RSI: ffffffff814cc4c6 RDI: 0000000000000001 RBP: ffff8880244436f4 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 00000000000006f5 R13: 0000000000000529 R14: ffff8880244436f0 R15: 0000000000000527 FS: 0000555585507380(0000) GS:ffff88806b000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 0000000026314000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ip_do_fragment+0xa1e/0x18b0 net/ipv4/ip_output.c:777 ip_fragment.constprop.0+0x161/0x230 net/ipv4/ip_output.c:584 ip_finish_output_gso net/ipv4/ip_output.c:286 [inline] __ip_finish_output net/ipv4/ip_output.c:308 [inline] __ip_finish_output+0x5af/0x950 net/ipv4/ip_output.c:295 ip_finish_output+0x31/0x310 net/ipv4/ip_output.c:323 NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip_mc_output+0x1dd/0x6a0 net/ipv4/ip_output.c:420 dst_output include/net/dst.h:450 [inline] dst_output include/net/dst.h:448 [inline] ip_local_out+0x286/0x4a0 net/ipv4/ip_output.c:129 iptunnel_xmit+0x5b4/0x9b0 net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x1e82/0x33f0 net/ipv4/ip_tunnel.c:857 __gre_xmit+0x89d/0xbd0 net/ipv4/ip_gre.c:483 ipgre_xmit+0x578/0xb30 net/ipv4/ip_gre.c:687 __netdev_start_xmit include/linux/netdevice.h:4913 [inline] netdev_start_xmit include/linux/netdevice.h:4922 [inline] xmit_one net/core/dev.c:3580 [inline] dev_hard_start_xmit+0x143/0x790 net/core/dev.c:3596 __dev_queue_xmit+0x7c7/0x4300 net/core/dev.c:4423 dev_queue_xmit include/linux/netdevice.h:3105 [inline] packet_xmit+0x23e/0x360 net/packet/af_packet.c:276 packet_snd net/packet/af_packet.c:3145 [inline] packet_sendmsg+0x268f/0x53a0 net/packet/af_packet.c:3177 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0xab5/0xc90 net/socket.c:2597 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2651 __sys_sendmsg+0x117/0x1f0 net/socket.c:2680 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: 0033:0x7f0076867779 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd393e76d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f00768b4468 RCX: 00007f0076867779 RDX: 0000000000000000 RSI: 0000000020002ac0 RDI: 0000000000000003 RBP: 00007f00768b4446 R08: 0000555500000000 R09: 0000555500000000 R10: 0000000000000004 R11: 0000000000000246 R12: 00007f00768b4406 R13: 0000000000000001 R14: 00007ffd393e7720 R15: 0000000000000003 final repro crashed as (corrupted=false): skb frag: 000000a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 skb frag: 000000b0: 00 00 00 00 ------------[ cut here ]------------ offset+2 (1321) > skb_headlen() (124) WARNING: CPU: 0 PID: 5206 at net/core/dev.c:3335 skb_checksum_help+0x5f1/0x750 net/core/dev.c:3335 Modules linked in: CPU: 0 UID: 0 PID: 5206 Comm: syz-executor406 Not tainted 6.10.0-syzkaller-12097-ge9680017b2dc #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:skb_checksum_help+0x5f1/0x750 net/core/dev.c:3335 Code: 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 52 01 00 00 44 89 e2 2b 53 74 4c 89 ee 48 c7 c7 a0 42 53 8c e8 50 0a 83 f8 90 <0f> 0b 90 90 e9 87 fe ff ff e8 f1 fb 1d f9 e9 3c fa ff ff e8 17 fc RSP: 0018:ffffc900033c6f10 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff888024443680 RCX: ffffffff814cc4b9 RDX: ffff888029cd8000 RSI: ffffffff814cc4c6 RDI: 0000000000000001 RBP: ffff8880244436f4 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 00000000000006f5 R13: 0000000000000529 R14: ffff8880244436f0 R15: 0000000000000527 FS: 0000555585507380(0000) GS:ffff88806b000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 0000000026314000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ip_do_fragment+0xa1e/0x18b0 net/ipv4/ip_output.c:777 ip_fragment.constprop.0+0x161/0x230 net/ipv4/ip_output.c:584 ip_finish_output_gso net/ipv4/ip_output.c:286 [inline] __ip_finish_output net/ipv4/ip_output.c:308 [inline] __ip_finish_output+0x5af/0x950 net/ipv4/ip_output.c:295 ip_finish_output+0x31/0x310 net/ipv4/ip_output.c:323 NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip_mc_output+0x1dd/0x6a0 net/ipv4/ip_output.c:420 dst_output include/net/dst.h:450 [inline] dst_output include/net/dst.h:448 [inline] ip_local_out+0x286/0x4a0 net/ipv4/ip_output.c:129 iptunnel_xmit+0x5b4/0x9b0 net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x1e82/0x33f0 net/ipv4/ip_tunnel.c:857 __gre_xmit+0x89d/0xbd0 net/ipv4/ip_gre.c:483 ipgre_xmit+0x578/0xb30 net/ipv4/ip_gre.c:687 __netdev_start_xmit include/linux/netdevice.h:4913 [inline] netdev_start_xmit include/linux/netdevice.h:4922 [inline] xmit_one net/core/dev.c:3580 [inline] dev_hard_start_xmit+0x143/0x790 net/core/dev.c:3596 __dev_queue_xmit+0x7c7/0x4300 net/core/dev.c:4423 dev_queue_xmit include/linux/netdevice.h:3105 [inline] packet_xmit+0x23e/0x360 net/packet/af_packet.c:276 packet_snd net/packet/af_packet.c:3145 [inline] packet_sendmsg+0x268f/0x53a0 net/packet/af_packet.c:3177 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0xab5/0xc90 net/socket.c:2597 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2651 __sys_sendmsg+0x117/0x1f0 net/socket.c:2680 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: 0033:0x7f0076867779 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd393e76d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f00768b4468 RCX: 00007f0076867779 RDX: 0000000000000000 RSI: 0000000020002ac0 RDI: 0000000000000003 RBP: 00007f00768b4446 R08: 0000555500000000 R09: 0000555500000000 R10: 0000000000000004 R11: 0000000000000246 R12: 00007f00768b4406 R13: 0000000000000001 R14: 00007ffd393e7720 R15: 0000000000000003