Extracting prog: 1m54.44413151s Minimizing prog: 18m35.566613486s Simplifying prog options: 0s Extracting C: 44.32656797s Simplifying C: 12m33.907885334s 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: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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="c40000001900010027bd700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000feffffffffffffff000000000000000000d849e96c6dff8868000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000300000000000c00150000000000ffff00"], 0xc4}}, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r1, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @link_local}, 0x14) program crashed: WARNING in ip_rt_bug single: successfully extracted reproducer found reproducer with 6 syscalls minimizing guilty program testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="c40000001900010027bd700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000feffffffffffffff000000000000000000d849e96c6dff8868000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000300000000000c00150000000000ffff00"], 0xc4}}, 0x0) socket(0x200000100000011, 0x803, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'xfrm0\x00'}) program did not crash testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="c40000001900010027bd700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000feffffffffffffff000000000000000000d849e96c6dff8868000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000300000000000c00150000000000ffff00"], 0xc4}}, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) socket$packet(0x11, 0x3, 0x300) sendto$packet(r1, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, 0x14) program did not crash testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="c40000001900010027bd700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000feffffffffffffff000000000000000000d849e96c6dff8868000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000300000000000c00150000000000ffff00"], 0xc4}}, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r1, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @link_local}, 0x14) program did not crash testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="c40000001900010027bd700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000feffffffffffffff000000000000000000d849e96c6dff8868000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000300000000000c00150000000000ffff00"], 0xc4}}, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(0xffffffffffffffff, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @link_local}, 0x14) program did not crash testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: socket$nl_xfrm(0x10, 0x3, 0x6) r0 = socket(0x200000100000011, 0x803, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r0, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @link_local}, 0x14) program did not crash testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="c40000001900010027bd700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000feffffffffffffff000000000000000000d849e96c6dff8868000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000300000000000c00150000000000ffff00"], 0xc4}}, 0x0) r0 = socket(0x200000100000011, 0x803, 0x0) r1 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r0, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @link_local}, 0x14) program did not crash testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, 0x0, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r1, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @link_local}, 0x14) program did not crash testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, 0x0}, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r1, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @link_local}, 0x14) program did not crash testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={0x0, 0xc4}}, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r1, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @link_local}, 0x14) program did not crash testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[], 0xc4}}, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r1, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @link_local}, 0x14) program did not crash testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="c40000001900010027bd700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB], 0xc4}}, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r1, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @link_local}, 0x14) program did not crash testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB, @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000feffffffffffffff000000000000000000d849e96c6dff8868000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000300000000000c00150000000000ffff00"], 0xc4}}, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r1, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @link_local}, 0x14) program did not crash testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="c40000001900010027bd700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000feffffffffffffff000000000000000000d849e96c6dff8868000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000300000000000c00150000000000ffff00"], 0xc4}}, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, 0x0) sendto$packet(r1, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, 0x14) program did not crash testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="c40000001900010027bd700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000feffffffffffffff000000000000000000d849e96c6dff8868000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000300000000000c00150000000000ffff00"], 0xc4}}, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r1, 0x0, 0x0, 0x0, &(0x7f0000000000)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @link_local}, 0x14) program did not crash testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="c40000001900010027bd700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000feffffffffffffff000000000000000000d849e96c6dff8868000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000300000000000c00150000000000ffff00"], 0xc4}}, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r1, &(0x7f0000000100), 0x0, 0x0, &(0x7f0000000000)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @link_local}, 0x14) program did not crash testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="c40000001900010027bd700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000feffffffffffffff000000000000000000d849e96c6dff8868000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000300000000000c00150000000000ffff00"], 0xc4}}, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'xfrm0\x00'}) sendto$packet(r1, &(0x7f0000000100)='M', 0x1, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program crashed: WARNING in ip_rt_bug simplifying C reproducer testing compiled C program (duration=49.970730436s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program crashed: WARNING in ip_rt_bug testing compiled C program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program crashed: WARNING in ip_rt_bug testing compiled C program (duration=49.970730436s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program did not crash testing compiled C program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program crashed: WARNING in ip_rt_bug testing compiled C program (duration=49.970730436s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program did not crash testing compiled C program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program crashed: WARNING in ip_rt_bug testing compiled C program (duration=49.970730436s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program crashed: WARNING in ip_rt_bug testing compiled C program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program crashed: WARNING in ip_rt_bug testing compiled C program (duration=49.970730436s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program crashed: WARNING in ip_rt_bug testing compiled C program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program crashed: WARNING in ip_rt_bug testing compiled C program (duration=49.970730436s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program crashed: WARNING in ip_rt_bug testing compiled C program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program crashed: WARNING in ip_rt_bug testing compiled C program (duration=49.970730436s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program crashed: WARNING in ip_rt_bug testing compiled C program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program crashed: WARNING in ip_rt_bug testing compiled C program (duration=49.970730436s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet program crashed: WARNING in ip_rt_bug testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="c40000001900010027bd700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000feffffffffffffff000000000000000000d849e96c6dff8868000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000300000000000c00150000000000ffff00"], 0xc4}}, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r1, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @link_local}, 0x14) program crashed: WARNING in ip_rt_bug validation run: crashed=true testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="c40000001900010027bd700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000feffffffffffffff000000000000000000d849e96c6dff8868000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000300000000000c00150000000000ffff00"], 0xc4}}, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r1, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @link_local}, 0x14) program crashed: WARNING in ip_rt_bug validation run: crashed=true testing program (duration=49.970730436s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_xfrm-sendmsg$nl_xfrm-socket-socket$packet-ioctl$sock_SIOCGIFINDEX-sendto$packet detailed listing: executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="c40000001900010027bd700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB="0000000000000000000000000000000000000000000000000000000000000000feffffffffffffff000000000000000000d849e96c6dff8868000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000001000300000000000c00150000000000ffff00"], 0xc4}}, 0x0) r1 = socket(0x200000100000011, 0x803, 0x0) r2 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000040)={'xfrm0\x00', 0x0}) sendto$packet(r1, &(0x7f0000000100)='M', 0x300, 0x0, &(0x7f0000000000)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @link_local}, 0x14) program crashed: WARNING in ip_rt_bug validation run: crashed=true reproducing took 36m13.541526487s repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4509 at net/ipv4/route.c:1283 kfree_skb include/linux/skbuff.h:1252 [inline] WARNING: CPU: 1 PID: 4509 at net/ipv4/route.c:1283 ip_rt_bug+0x30/0xf4 net/ipv4/route.c:1282 Modules linked in: CPU: 1 PID: 4509 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ip_rt_bug+0x30/0xf4 include/linux/skbuff.h:1252 lr : kfree_skb include/linux/skbuff.h:1252 [inline] lr : ip_rt_bug+0x30/0xf4 net/ipv4/route.c:1282 sp : ffff800020876e60 x29: ffff800020876e60 x28: 1ffff0000410ee0c x27: ffff0000d32b2780 x26: dfff800000000000 x25: 1fffe0001a6564fb x24: dfff800000000000 x23: ffff0000cca16400 x22: ffff0000cca16430 x21: ffff0000c5489380 x20: ffff0000d32b2780 x19: ffff0000d32b2780 x18: 0000000000000000 x17: ffff80001835a000 x16: ffff8000082d92bc x15: ffff80000fd47154 x14: 0000000000000001 x13: 1ffff00002b4e732 x12: 0000000000ff0100 x11: ff0080000a8de2c4 x10: 0000000000000003 x9 : 51756cbaf2148500 x8 : 51756cbaf2148500 x7 : ffff80000805983c x6 : ffff800008059a4c x5 : ffff0000d7efe0e0 x4 : ffff800020876b48 x3 : 0000000000000000 x2 : 0000000000000002 x1 : ffff800011b9da80 x0 : 0000000000000000 Call trace: kfree_skb include/linux/skbuff.h:1252 [inline] ip_rt_bug+0x30/0xf4 net/ipv4/route.c:1282 dst_output include/net/dst.h:453 [inline] ip_local_out net/ipv4/ip_output.c:126 [inline] ip_send_skb+0x134/0x2b0 net/ipv4/ip_output.c:1606 ip_push_pending_frames+0x6c/0x88 net/ipv4/ip_output.c:1626 icmp_push_reply+0x2e0/0x3c0 net/ipv4/icmp.c:393 __icmp_send+0xc44/0x105c net/ipv4/icmp.c:795 ipv4_send_dest_unreach net/ipv4/route.c:1263 [inline] ipv4_link_failure+0x548/0x8dc net/ipv4/route.c:1270 dst_link_failure include/net/dst.h:423 [inline] xfrmi_xmit2 net/xfrm/xfrm_interface_core.c:512 [inline] xfrmi_xmit+0x9bc/0x1538 net/xfrm/xfrm_interface_core.c:565 __netdev_start_xmit include/linux/netdevice.h:4896 [inline] netdev_start_xmit include/linux/netdevice.h:4910 [inline] xmit_one net/core/dev.c:3683 [inline] dev_hard_start_xmit+0x234/0x8cc net/core/dev.c:3699 __dev_queue_xmit+0x15b8/0x3118 net/core/dev.c:4363 dev_queue_xmit+0x24/0x34 include/linux/netdevice.h:3051 packet_snd net/packet/af_packet.c:3127 [inline] packet_sendmsg+0x2f9c/0x3fd0 net/packet/af_packet.c:3158 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x324/0x440 net/socket.c:2152 __do_sys_sendto net/socket.c:2164 [inline] __se_sys_sendto net/socket.c:2160 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2160 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 1899 hardirqs last enabled at (1898): [] kasan_quarantine_put+0xc4/0x200 mm/kasan/quarantine.c:242 hardirqs last disabled at (1899): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1724): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (1752): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- final repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4509 at net/ipv4/route.c:1283 kfree_skb include/linux/skbuff.h:1252 [inline] WARNING: CPU: 1 PID: 4509 at net/ipv4/route.c:1283 ip_rt_bug+0x30/0xf4 net/ipv4/route.c:1282 Modules linked in: CPU: 1 PID: 4509 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ip_rt_bug+0x30/0xf4 include/linux/skbuff.h:1252 lr : kfree_skb include/linux/skbuff.h:1252 [inline] lr : ip_rt_bug+0x30/0xf4 net/ipv4/route.c:1282 sp : ffff800020876e60 x29: ffff800020876e60 x28: 1ffff0000410ee0c x27: ffff0000d32b2780 x26: dfff800000000000 x25: 1fffe0001a6564fb x24: dfff800000000000 x23: ffff0000cca16400 x22: ffff0000cca16430 x21: ffff0000c5489380 x20: ffff0000d32b2780 x19: ffff0000d32b2780 x18: 0000000000000000 x17: ffff80001835a000 x16: ffff8000082d92bc x15: ffff80000fd47154 x14: 0000000000000001 x13: 1ffff00002b4e732 x12: 0000000000ff0100 x11: ff0080000a8de2c4 x10: 0000000000000003 x9 : 51756cbaf2148500 x8 : 51756cbaf2148500 x7 : ffff80000805983c x6 : ffff800008059a4c x5 : ffff0000d7efe0e0 x4 : ffff800020876b48 x3 : 0000000000000000 x2 : 0000000000000002 x1 : ffff800011b9da80 x0 : 0000000000000000 Call trace: kfree_skb include/linux/skbuff.h:1252 [inline] ip_rt_bug+0x30/0xf4 net/ipv4/route.c:1282 dst_output include/net/dst.h:453 [inline] ip_local_out net/ipv4/ip_output.c:126 [inline] ip_send_skb+0x134/0x2b0 net/ipv4/ip_output.c:1606 ip_push_pending_frames+0x6c/0x88 net/ipv4/ip_output.c:1626 icmp_push_reply+0x2e0/0x3c0 net/ipv4/icmp.c:393 __icmp_send+0xc44/0x105c net/ipv4/icmp.c:795 ipv4_send_dest_unreach net/ipv4/route.c:1263 [inline] ipv4_link_failure+0x548/0x8dc net/ipv4/route.c:1270 dst_link_failure include/net/dst.h:423 [inline] xfrmi_xmit2 net/xfrm/xfrm_interface_core.c:512 [inline] xfrmi_xmit+0x9bc/0x1538 net/xfrm/xfrm_interface_core.c:565 __netdev_start_xmit include/linux/netdevice.h:4896 [inline] netdev_start_xmit include/linux/netdevice.h:4910 [inline] xmit_one net/core/dev.c:3683 [inline] dev_hard_start_xmit+0x234/0x8cc net/core/dev.c:3699 __dev_queue_xmit+0x15b8/0x3118 net/core/dev.c:4363 dev_queue_xmit+0x24/0x34 include/linux/netdevice.h:3051 packet_snd net/packet/af_packet.c:3127 [inline] packet_sendmsg+0x2f9c/0x3fd0 net/packet/af_packet.c:3158 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x324/0x440 net/socket.c:2152 __do_sys_sendto net/socket.c:2164 [inline] __se_sys_sendto net/socket.c:2160 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2160 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 1899 hardirqs last enabled at (1898): [] kasan_quarantine_put+0xc4/0x200 mm/kasan/quarantine.c:242 hardirqs last disabled at (1899): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1724): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (1752): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---