Extracting prog: 1m16.895767485s Minimizing prog: 9m41.375709073s Simplifying prog options: 0s Extracting C: 22.68252348s Simplifying C: 9m59.982989911s 1 programs, 3 VMs, timeouts [15s 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:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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, @remote}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000280)=ANY=[@ANYBLOB="03011400012919740e000000ad0001140000002f0600ac141420e0000001808a8972bd0b72e410820c520f061fe4fdfe4b889430ebb52997e36e039b1c598825f80100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e42ac8e3b202f76af"], 0xdd12}], 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:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$packet(r0, &(0x7f0000000180)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @remote}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$packet(r0, &(0x7f0000000180)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @remote}, 0x14) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000280)=ANY=[@ANYBLOB="03011400012919740e000000ad0001140000002f0600ac141420e0000001808a8972bd0b72e410820c520f061fe4fdfe4b889430ebb52997e36e039b1c598825f80100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e42ac8e3b202f76af"], 0xdd12}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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)=[{&(0x7f0000000280)=ANY=[@ANYBLOB="03011400012919740e000000ad0001140000002f0600ac141420e0000001808a8972bd0b72e410820c520f061fe4fdfe4b889430ebb52997e36e039b1c598825f80100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e42ac8e3b202f76af"], 0xdd12}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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, @remote}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000280)=ANY=[@ANYBLOB="03011400012919740e000000ad0001140000002f0600ac141420e0000001808a8972bd0b72e410820c520f061fe4fdfe4b889430ebb52997e36e039b1c598825f80100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e42ac8e3b202f76af"], 0xdd12}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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, @remote}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000280)=ANY=[@ANYBLOB="03011400012919740e000000ad0001140000002f0600ac141420e0000001808a8972bd0b72e410820c520f061fe4fdfe4b889430ebb52997e36e039b1c598825f80100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e42ac8e3b202f76af"], 0xdd12}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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, @remote}, 0x14) setsockopt$packet_int(0xffffffffffffffff, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000280)=ANY=[@ANYBLOB="03011400012919740e000000ad0001140000002f0600ac141420e0000001808a8972bd0b72e410820c520f061fe4fdfe4b889430ebb52997e36e039b1c598825f80100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e42ac8e3b202f76af"], 0xdd12}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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, @remote}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000280)=ANY=[@ANYBLOB="03011400012919740e000000ad0001140000002f0600ac141420e0000001808a8972bd0b72e410820c520f061fe4fdfe4b889430ebb52997e36e039b1c598825f80100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e42ac8e3b202f76af"], 0xdd12}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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)=[{&(0x7f0000000280)=ANY=[@ANYBLOB="03011400012919740e000000ad0001140000002f0600ac141420e0000001808a8972bd0b72e410820c520f061fe4fdfe4b889430ebb52997e36e039b1c598825f80100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e42ac8e3b202f76af"], 0xdd12}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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, @remote}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, 0x0, 0x0) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000280)=ANY=[@ANYBLOB="03011400012919740e000000ad0001140000002f0600ac141420e0000001808a8972bd0b72e410820c520f061fe4fdfe4b889430ebb52997e36e039b1c598825f80100e3c06376c33076a167d50261a67a34a0a7d84bf8a4a6999e42ac8e3b202f76af"], 0xdd12}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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, @remote}, 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:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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, @remote}, 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:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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, @remote}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{0x0, 0xdd12}], 0x1}, 0x0) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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, @remote}, 0x14) setsockopt$packet_int(r0, 0x107, 0xf, &(0x7f0000000240)=0xe9, 0x4) sendmsg$netlink(r0, &(0x7f0000002ac0)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f0000000280)=ANY=[@ANYBLOB], 0xdd12}], 0x1}, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$nl_generic-ioctl$sock_SIOCGIFINDEX-bind$packet-setsockopt$packet_int-sendmsg$netlink program crashed: WARNING in skb_checksum_help simplifying C reproducer testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$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 21m20.937004499s repro crashed as (corrupted=false): netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3968 at net/core/dev.c:3263 skb_checksum_help+0x32c/0x4a0 Modules linked in: CPU: 0 PID: 3968 Comm: syz-executor591 Not tainted 5.15.161-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : skb_checksum_help+0x32c/0x4a0 lr : skb_checksum_help+0x328/0x4a0 net/core/dev.c:3263 sp : ffff80001ca36aa0 x29: ffff80001ca36ac0 x28: 0000000000002975 x27: 1fffe00019130c5e x26: dfff800000000000 x25: 0000000000007419 x24: 0000000000002975 x23: ffff0000c89862f0 x22: 1fffe00019130c5e x21: ffff0000c89862f4 x20: 00000000ffffffea x19: ffff0000c8986300 x18: 0000000000000200 x17: 0000000000000000 x16: ffff8000084c48d0 x15: ffff80000fd51378 x14: ffff80000fd5114c x13: ffff80000805cb7c x12: 0000000000000004 x11: 0000000000000200 x10: 0000000000000000 x9 : ffff0000da5b1b40 x8 : ffff80000fdd341c x7 : 0000000000000000 x6 : ffff80000805cfb8 x5 : ffff0000da30d9e8 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000000 x1 : 0000000000002975 x0 : 0000000000007419 Call trace: skb_checksum_help+0x32c/0x4a0 ip_do_fragment+0x198/0x199c net/ipv4/ip_output.c:774 ip_fragment+0x11c/0x308 ip_finish_output_gso net/ipv4/ip_output.c:279 [inline] __ip_finish_output+0x280/0x458 net/ipv4/ip_output.c:301 ip_finish_output+0x40/0x218 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:291 [inline] ip_mc_output+0x56c/0x780 net/ipv4/ip_output.c:415 dst_output include/net/dst.h:443 [inline] ip_local_out+0x120/0x160 net/ipv4/ip_output.c:126 iptunnel_xmit+0x40c/0x8fc net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x1acc/0x2334 net/ipv4/ip_tunnel.c:837 __gre_xmit net/ipv4/ip_gre.c:474 [inline] ipgre_xmit+0x690/0xa2c net/ipv4/ip_gre.c:669 __netdev_start_xmit include/linux/netdevice.h:5019 [inline] netdev_start_xmit include/linux/netdevice.h:5033 [inline] xmit_one net/core/dev.c:3617 [inline] dev_hard_start_xmit+0x2bc/0x92c net/core/dev.c:3633 __dev_queue_xmit+0x13a8/0x2a6c net/core/dev.c:4248 dev_queue_xmit+0x24/0x34 net/core/dev.c:4281 packet_snd net/packet/af_packet.c:3038 [inline] packet_sendmsg+0x3654/0x4c68 net/packet/af_packet.c:3069 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x584/0x870 net/socket.c:2431 ___sys_sendmsg+0x214/0x294 net/socket.c:2485 __sys_sendmsg net/socket.c:2514 [inline] __do_sys_sendmsg net/socket.c:2523 [inline] __se_sys_sendmsg net/socket.c:2521 [inline] __arm64_sys_sendmsg+0x1ac/0x25c net/socket.c:2521 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 127025 hardirqs last enabled at (127024): [] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (127025): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (126820): [] spin_unlock_bh include/linux/spinlock.h:408 [inline] softirqs last enabled at (126820): [] release_sock+0x1e4/0x270 net/core/sock.c:3276 softirqs last disabled at (126946): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 792735d8de10619e ]--- final repro crashed as (corrupted=false): netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3968 at net/core/dev.c:3263 skb_checksum_help+0x32c/0x4a0 Modules linked in: CPU: 0 PID: 3968 Comm: syz-executor591 Not tainted 5.15.161-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : skb_checksum_help+0x32c/0x4a0 lr : skb_checksum_help+0x328/0x4a0 net/core/dev.c:3263 sp : ffff80001ca36aa0 x29: ffff80001ca36ac0 x28: 0000000000002975 x27: 1fffe00019130c5e x26: dfff800000000000 x25: 0000000000007419 x24: 0000000000002975 x23: ffff0000c89862f0 x22: 1fffe00019130c5e x21: ffff0000c89862f4 x20: 00000000ffffffea x19: ffff0000c8986300 x18: 0000000000000200 x17: 0000000000000000 x16: ffff8000084c48d0 x15: ffff80000fd51378 x14: ffff80000fd5114c x13: ffff80000805cb7c x12: 0000000000000004 x11: 0000000000000200 x10: 0000000000000000 x9 : ffff0000da5b1b40 x8 : ffff80000fdd341c x7 : 0000000000000000 x6 : ffff80000805cfb8 x5 : ffff0000da30d9e8 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000000 x1 : 0000000000002975 x0 : 0000000000007419 Call trace: skb_checksum_help+0x32c/0x4a0 ip_do_fragment+0x198/0x199c net/ipv4/ip_output.c:774 ip_fragment+0x11c/0x308 ip_finish_output_gso net/ipv4/ip_output.c:279 [inline] __ip_finish_output+0x280/0x458 net/ipv4/ip_output.c:301 ip_finish_output+0x40/0x218 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:291 [inline] ip_mc_output+0x56c/0x780 net/ipv4/ip_output.c:415 dst_output include/net/dst.h:443 [inline] ip_local_out+0x120/0x160 net/ipv4/ip_output.c:126 iptunnel_xmit+0x40c/0x8fc net/ipv4/ip_tunnel_core.c:82 ip_tunnel_xmit+0x1acc/0x2334 net/ipv4/ip_tunnel.c:837 __gre_xmit net/ipv4/ip_gre.c:474 [inline] ipgre_xmit+0x690/0xa2c net/ipv4/ip_gre.c:669 __netdev_start_xmit include/linux/netdevice.h:5019 [inline] netdev_start_xmit include/linux/netdevice.h:5033 [inline] xmit_one net/core/dev.c:3617 [inline] dev_hard_start_xmit+0x2bc/0x92c net/core/dev.c:3633 __dev_queue_xmit+0x13a8/0x2a6c net/core/dev.c:4248 dev_queue_xmit+0x24/0x34 net/core/dev.c:4281 packet_snd net/packet/af_packet.c:3038 [inline] packet_sendmsg+0x3654/0x4c68 net/packet/af_packet.c:3069 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x584/0x870 net/socket.c:2431 ___sys_sendmsg+0x214/0x294 net/socket.c:2485 __sys_sendmsg net/socket.c:2514 [inline] __do_sys_sendmsg net/socket.c:2523 [inline] __se_sys_sendmsg net/socket.c:2521 [inline] __arm64_sys_sendmsg+0x1ac/0x25c net/socket.c:2521 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 127025 hardirqs last enabled at (127024): [] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (127025): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (126820): [] spin_unlock_bh include/linux/spinlock.h:408 [inline] softirqs last enabled at (126820): [] release_sock+0x1e4/0x270 net/core/sock.c:3276 softirqs last disabled at (126946): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 792735d8de10619e ]---