Extracting prog: 5m39.15190269s Minimizing prog: 1h14m20.860592462s Simplifying prog options: 12m54.803012824s Extracting C: 5m25.573095145s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs: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}}): sendmsg$kcm-socket$kcm-sendmsg$kcm-sendmsg$kcm detailed listing: executing program 0: sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000001001000001"], 0x18, 0x68000000}, 0x0) r0 = socket$kcm(0x21, 0x2, 0xa) sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e23, 0x0, @remote}}, 0x80, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x8880) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs: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}}): sendmsg$kcm-socket$kcm-sendmsg$kcm-sendmsg$kcm detailed listing: executing program 0: sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000001001000001"], 0x18, 0x68000000}, 0x0) r0 = socket$kcm(0x21, 0x2, 0xa) sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e23, 0x0, @remote}}, 0x80, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x8880) program crashed: general protection fault in try_to_wake_up single: successfully extracted reproducer found reproducer with 4 syscalls minimizing guilty program testing program (duration=6m0s, {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}}): sendmsg$kcm-socket$kcm-sendmsg$kcm detailed listing: executing program 0: sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000001001000001"], 0x18, 0x68000000}, 0x0) r0 = socket$kcm(0x21, 0x2, 0xa) sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e23, 0x0, @remote}}, 0x80, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x0) program did not crash testing program (duration=6m0s, {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}}): sendmsg$kcm-socket$kcm-sendmsg$kcm detailed listing: executing program 0: sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000001001000001"], 0x18, 0x68000000}, 0x0) r0 = socket$kcm(0x21, 0x2, 0xa) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x8880) program did not crash testing program (duration=6m0s, {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}}): sendmsg$kcm-sendmsg$kcm-sendmsg$kcm detailed listing: executing program 0: sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000001001000001"], 0x18, 0x68000000}, 0x0) sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={&(0x7f0000000100)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e23, 0x0, @remote}}, 0x80, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x0) sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x8880) program did not crash testing program (duration=6m0s, {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$kcm-sendmsg$kcm-sendmsg$kcm detailed listing: executing program 0: r0 = socket$kcm(0x21, 0x2, 0xa) sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e23, 0x0, @remote}}, 0x80, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x8880) program did not crash testing program (duration=6m0s, {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}}): sendmsg$kcm-socket$kcm-sendmsg$kcm-sendmsg$kcm detailed listing: executing program 0: sendmsg$kcm(0xffffffffffffffff, 0x0, 0x0) r0 = socket$kcm(0x21, 0x2, 0xa) sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e23, 0x0, @remote}}, 0x80, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x8880) program did not crash testing program (duration=6m0s, {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}}): sendmsg$kcm-socket$kcm-sendmsg$kcm-sendmsg$kcm detailed listing: executing program 0: sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x18, 0x68000000}, 0x0) r0 = socket$kcm(0x21, 0x2, 0xa) sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e23, 0x0, @remote}}, 0x80, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x8880) program did not crash testing program (duration=6m0s, {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}}): sendmsg$kcm-socket$kcm-sendmsg$kcm-sendmsg$kcm detailed listing: executing program 0: sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB], 0x18, 0x68000000}, 0x0) r0 = socket$kcm(0x21, 0x2, 0xa) sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e23, 0x0, @remote}}, 0x80, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x8880) program did not crash testing program (duration=6m0s, {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}}): sendmsg$kcm-socket$kcm-sendmsg$kcm-sendmsg$kcm detailed listing: executing program 0: sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000001001000001"], 0x18, 0x68000000}, 0x0) r0 = socket$kcm(0x21, 0x2, 0xa) sendmsg$kcm(r0, 0x0, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x8880) program did not crash testing program (duration=6m0s, {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}}): sendmsg$kcm-socket$kcm-sendmsg$kcm-sendmsg$kcm detailed listing: executing program 0: sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000001001000001"], 0x18, 0x68000000}, 0x0) r0 = socket$kcm(0x21, 0x2, 0xa) sendmsg$kcm(r0, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x8880) program did not crash testing program (duration=6m0s, {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}}): sendmsg$kcm-socket$kcm-sendmsg$kcm-sendmsg$kcm detailed listing: executing program 0: sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000001001000001"], 0x18, 0x68000000}, 0x0) r0 = socket$kcm(0x21, 0x2, 0xa) sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e23, 0x0, @remote}}, 0x80, 0x0, 0x0, 0x0, 0x18, 0x68000000}, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x8880) program did not crash testing program (duration=6m0s, {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}}): sendmsg$kcm-socket$kcm-sendmsg$kcm-sendmsg$kcm detailed listing: executing program 0: sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000001001000001"], 0x18, 0x68000000}, 0x0) r0 = socket$kcm(0x21, 0x2, 0xa) sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e23, 0x0, @remote}}, 0x80, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x0) sendmsg$kcm(r0, 0x0, 0x8880) program did not crash testing program (duration=6m0s, {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}}): sendmsg$kcm-socket$kcm-sendmsg$kcm-sendmsg$kcm detailed listing: executing program 0: sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000001001000001"], 0x18, 0x68000000}, 0x0) r0 = socket$kcm(0x21, 0x2, 0xa) sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e23, 0x0, @remote}}, 0x80, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x18, 0x68000000}, 0x8880) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {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}}): sendmsg$kcm-socket$kcm-sendmsg$kcm-sendmsg$kcm program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {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}}): sendmsg$kcm-socket$kcm-sendmsg$kcm-sendmsg$kcm detailed listing: executing program 0: sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000001001000001"], 0x18, 0x68000000}, 0x0) r0 = socket$kcm(0x21, 0x2, 0xa) sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e23, 0x0, @remote}}, 0x80, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x8880) program crashed: general protection fault in try_to_wake_up extracting C reproducer testing compiled C program (duration=6m0s, {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}}): sendmsg$kcm-socket$kcm-sendmsg$kcm-sendmsg$kcm program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$kcm-socket$kcm-sendmsg$kcm-sendmsg$kcm detailed listing: executing program 0: sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="18000000000000001001000001"], 0x18, 0x68000000}, 0x0) r0 = socket$kcm(0x21, 0x2, 0xa) sendmsg$kcm(r0, &(0x7f0000000080)={&(0x7f0000000100)=@rxrpc=@in6={0x21, 0x0, 0x2, 0x1c, {0xa, 0x4e23, 0x0, @remote}}, 0x80, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x18, 0x68000000}, 0x8880) program did not crash reproducing took 1h38m8.946774385s repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc0000000143: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000a18-0x0000000000000a1f] CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.13.0-rc2-syzkaller-g2d8308bf5b67 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:__lock_acquire+0x6a/0x2100 kernel/locking/lockdep.c:5089 Code: b6 04 30 84 c0 0f 85 f8 16 00 00 45 31 f6 83 3d 5b 0c 9f 0e 00 0f 84 c8 13 00 00 89 54 24 60 89 5c 24 38 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 18 27 8b 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc90000156a70 EFLAGS: 00010002 RAX: 0000000000000143 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000a18 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff2032f2f R12: ffff88801cacda00 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000a18 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0000687a0 CR3: 000000000e736000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:551 [inline] try_to_wake_up+0xc2/0x1470 kernel/sched/core.c:4205 rxrpc_wake_up_io_thread net/rxrpc/ar-internal.h:1059 [inline] rxrpc_error_report+0x1e4/0x2f0 net/rxrpc/io_thread.c:81 sk_error_report+0x43/0x2b0 net/core/sock.c:346 sock_queue_err_skb+0x576/0x730 net/core/skbuff.c:5402 ipv6_icmp_error+0x624/0x9a0 net/ipv6/datagram.c:340 __udp6_lib_err+0x901/0x1750 net/ipv6/udp.c:712 udpv6_err+0xbb/0xd0 net/ipv6/udp.c:770 icmpv6_notify+0x391/0x830 net/ipv6/icmp.c:875 icmpv6_rcv+0x10d8/0x19e0 ip6_protocol_deliver_rcu+0x105b/0x1580 net/ipv6/ip6_input.c:436 ip6_input_finish+0x187/0x2d0 net/ipv6/ip6_input.c:481 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314 __netif_receive_skb_one_core net/core/dev.c:5672 [inline] __netif_receive_skb+0x1ea/0x650 net/core/dev.c:5785 process_backlog+0x662/0x15b0 net/core/dev.c:6117 __napi_poll+0xcb/0x490 net/core/dev.c:6883 napi_poll net/core/dev.c:6952 [inline] net_rx_action+0x89b/0x1240 net/core/dev.c:7074 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 run_ksoftirqd+0xca/0x130 kernel/softirq.c:950 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0x6a/0x2100 kernel/locking/lockdep.c:5089 Code: b6 04 30 84 c0 0f 85 f8 16 00 00 45 31 f6 83 3d 5b 0c 9f 0e 00 0f 84 c8 13 00 00 89 54 24 60 89 5c 24 38 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 18 27 8b 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc90000156a70 EFLAGS: 00010002 RAX: 0000000000000143 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000a18 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff2032f2f R12: ffff88801cacda00 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000a18 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0000687a0 CR3: 000000000e736000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: b6 04 mov $0x4,%dh 2: 30 84 c0 0f 85 f8 16 xor %al,0x16f8850f(%rax,%rax,8) 9: 00 00 add %al,(%rax) b: 45 31 f6 xor %r14d,%r14d e: 83 3d 5b 0c 9f 0e 00 cmpl $0x0,0xe9f0c5b(%rip) # 0xe9f0c70 15: 0f 84 c8 13 00 00 je 0x13e3 1b: 89 54 24 60 mov %edx,0x60(%rsp) 1f: 89 5c 24 38 mov %ebx,0x38(%rsp) 23: 4c 89 f8 mov %r15,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 30 00 cmpb $0x0,(%rax,%rsi,1) <-- trapping instruction 2e: 74 12 je 0x42 30: 4c 89 ff mov %r15,%rdi 33: e8 18 27 8b 00 call 0x8b2750 38: 48 rex.W 39: be 00 00 00 00 mov $0x0,%esi 3e: 00 fc add %bh,%ah final repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc0000000143: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000a18-0x0000000000000a1f] CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.13.0-rc2-syzkaller-g2d8308bf5b67 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:__lock_acquire+0x6a/0x2100 kernel/locking/lockdep.c:5089 Code: b6 04 30 84 c0 0f 85 f8 16 00 00 45 31 f6 83 3d 5b 0c 9f 0e 00 0f 84 c8 13 00 00 89 54 24 60 89 5c 24 38 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 18 27 8b 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc90000156a70 EFLAGS: 00010002 RAX: 0000000000000143 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000a18 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff2032f2f R12: ffff88801cacda00 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000a18 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0000687a0 CR3: 000000000e736000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:551 [inline] try_to_wake_up+0xc2/0x1470 kernel/sched/core.c:4205 rxrpc_wake_up_io_thread net/rxrpc/ar-internal.h:1059 [inline] rxrpc_error_report+0x1e4/0x2f0 net/rxrpc/io_thread.c:81 sk_error_report+0x43/0x2b0 net/core/sock.c:346 sock_queue_err_skb+0x576/0x730 net/core/skbuff.c:5402 ipv6_icmp_error+0x624/0x9a0 net/ipv6/datagram.c:340 __udp6_lib_err+0x901/0x1750 net/ipv6/udp.c:712 udpv6_err+0xbb/0xd0 net/ipv6/udp.c:770 icmpv6_notify+0x391/0x830 net/ipv6/icmp.c:875 icmpv6_rcv+0x10d8/0x19e0 ip6_protocol_deliver_rcu+0x105b/0x1580 net/ipv6/ip6_input.c:436 ip6_input_finish+0x187/0x2d0 net/ipv6/ip6_input.c:481 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314 __netif_receive_skb_one_core net/core/dev.c:5672 [inline] __netif_receive_skb+0x1ea/0x650 net/core/dev.c:5785 process_backlog+0x662/0x15b0 net/core/dev.c:6117 __napi_poll+0xcb/0x490 net/core/dev.c:6883 napi_poll net/core/dev.c:6952 [inline] net_rx_action+0x89b/0x1240 net/core/dev.c:7074 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 run_ksoftirqd+0xca/0x130 kernel/softirq.c:950 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0x6a/0x2100 kernel/locking/lockdep.c:5089 Code: b6 04 30 84 c0 0f 85 f8 16 00 00 45 31 f6 83 3d 5b 0c 9f 0e 00 0f 84 c8 13 00 00 89 54 24 60 89 5c 24 38 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 18 27 8b 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc90000156a70 EFLAGS: 00010002 RAX: 0000000000000143 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000a18 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff2032f2f R12: ffff88801cacda00 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000a18 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0000687a0 CR3: 000000000e736000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: b6 04 mov $0x4,%dh 2: 30 84 c0 0f 85 f8 16 xor %al,0x16f8850f(%rax,%rax,8) 9: 00 00 add %al,(%rax) b: 45 31 f6 xor %r14d,%r14d e: 83 3d 5b 0c 9f 0e 00 cmpl $0x0,0xe9f0c5b(%rip) # 0xe9f0c70 15: 0f 84 c8 13 00 00 je 0x13e3 1b: 89 54 24 60 mov %edx,0x60(%rsp) 1f: 89 5c 24 38 mov %ebx,0x38(%rsp) 23: 4c 89 f8 mov %r15,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 30 00 cmpb $0x0,(%rax,%rsi,1) <-- trapping instruction 2e: 74 12 je 0x42 30: 4c 89 ff mov %r15,%rdi 33: e8 18 27 8b 00 call 0x8b2750 38: 48 rex.W 39: be 00 00 00 00 mov $0x0,%esi 3e: 00 fc add %bh,%ah