Extracting prog: 1m43.480509656s Minimizing prog: 8m50.82285416s Simplifying prog options: 0s Extracting C: 21.063808442s Simplifying C: 5m3.292851155s 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: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$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write detailed listing: executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) bind$packet(r0, &(0x7f0000000200)={0x11, 0x15, 0x1, 0x1, 0xff, 0x6, @random="00110400"}, 0x14) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f00000000c0)=@req={0x1000, 0x4, 0x800, 0x8}, 0x10) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x11, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/243, 0xfffffdef}], 0x1) write(r0, &(0x7f0000000000)="01", 0x1) program crashed: kernel BUG in sock_write_iter single: successfully extracted reproducer found reproducer with 6 syscalls minimizing guilty program 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: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$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv detailed listing: executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) bind$packet(r0, &(0x7f0000000200)={0x11, 0x15, 0x1, 0x1, 0xff, 0x6, @random="00110400"}, 0x14) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f00000000c0)=@req={0x1000, 0x4, 0x800, 0x8}, 0x10) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x11, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/243, 0xfffffdef}], 0x1) program did not crash 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: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$packet-bind$packet-setsockopt$packet_tx_ring-mmap-write detailed listing: executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) bind$packet(r0, &(0x7f0000000200)={0x11, 0x15, 0x1, 0x1, 0xff, 0x6, @random="00110400"}, 0x14) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f00000000c0)=@req={0x1000, 0x4, 0x800, 0x8}, 0x10) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x11, r0, 0x0) write(r0, &(0x7f0000000000)="01", 0x1) program did not crash 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: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$packet-bind$packet-setsockopt$packet_tx_ring-readv-write detailed listing: executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) bind$packet(r0, &(0x7f0000000200)={0x11, 0x15, 0x1, 0x1, 0xff, 0x6, @random="00110400"}, 0x14) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f00000000c0)=@req={0x1000, 0x4, 0x800, 0x8}, 0x10) readv(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/243, 0xfffffdef}], 0x1) write(r0, &(0x7f0000000000)="01", 0x1) program did not crash 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: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$packet-bind$packet-mmap-readv-write detailed listing: executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) bind$packet(r0, &(0x7f0000000200)={0x11, 0x15, 0x1, 0x1, 0xff, 0x6, @random="00110400"}, 0x14) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x11, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/243, 0xfffffdef}], 0x1) write(r0, &(0x7f0000000000)="01", 0x1) program did not crash 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: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$packet-setsockopt$packet_tx_ring-mmap-readv-write detailed listing: executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f00000000c0)=@req={0x1000, 0x4, 0x800, 0x8}, 0x10) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x11, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/243, 0xfffffdef}], 0x1) write(r0, &(0x7f0000000000)="01", 0x1) program did not crash 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: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}}): bind$packet-setsockopt$packet_tx_ring-mmap-readv-write detailed listing: executing program 0: bind$packet(0xffffffffffffffff, &(0x7f0000000200)={0x11, 0x15, 0x1, 0x1, 0xff, 0x6, @random="00110400"}, 0x14) setsockopt$packet_tx_ring(0xffffffffffffffff, 0x107, 0xd, &(0x7f00000000c0)=@req={0x1000, 0x4, 0x800, 0x8}, 0x10) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x11, 0xffffffffffffffff, 0x0) readv(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/243, 0xfffffdef}], 0x1) write(0xffffffffffffffff, &(0x7f0000000000)="01", 0x1) program did not crash 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: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$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write detailed listing: executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) bind$packet(r0, 0x0, 0x0) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f00000000c0)=@req={0x1000, 0x4, 0x800, 0x8}, 0x10) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x11, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/243, 0xfffffdef}], 0x1) write(r0, &(0x7f0000000000)="01", 0x1) program did not crash 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: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$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write detailed listing: executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) bind$packet(r0, &(0x7f0000000200)={0x11, 0x15, 0x1, 0x1, 0xff, 0x6, @random="00110400"}, 0x14) setsockopt$packet_tx_ring(r0, 0x107, 0xd, 0x0, 0x0) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x11, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/243, 0xfffffdef}], 0x1) write(r0, &(0x7f0000000000)="01", 0x1) program did not crash 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: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$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write detailed listing: executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) bind$packet(r0, &(0x7f0000000200)={0x11, 0x15, 0x1, 0x1, 0xff, 0x6, @random="00110400"}, 0x14) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f00000000c0)=@req={0x1000, 0x4, 0x800, 0x8}, 0x10) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x11, r0, 0x0) readv(0xffffffffffffffff, 0x0, 0x0) write(r0, &(0x7f0000000000)="01", 0x1) program did not crash 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: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$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write detailed listing: executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) bind$packet(r0, &(0x7f0000000200)={0x11, 0x15, 0x1, 0x1, 0xff, 0x6, @random="00110400"}, 0x14) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f00000000c0)=@req={0x1000, 0x4, 0x800, 0x8}, 0x10) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x11, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000000000)=[{0x0}], 0x1) write(r0, &(0x7f0000000000)="01", 0x1) program did not crash 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: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$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write detailed listing: executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) bind$packet(r0, &(0x7f0000000200)={0x11, 0x15, 0x1, 0x1, 0xff, 0x6, @random="00110400"}, 0x14) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f00000000c0)=@req={0x1000, 0x4, 0x800, 0x8}, 0x10) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x11, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/243, 0xfffffdef}], 0x1) write(r0, 0x0, 0x0) program did not crash 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: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$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write detailed listing: executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) bind$packet(r0, &(0x7f0000000200)={0x11, 0x15, 0x1, 0x1, 0xff, 0x6, @random="00110400"}, 0x14) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f00000000c0)=@req={0x1000, 0x4, 0x800, 0x8}, 0x10) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x11, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/243, 0xfffffdef}], 0x1) write(r0, &(0x7f0000000000), 0x0) program did not crash extracting C reproducer testing compiled C 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: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$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write program crashed: kernel BUG in sock_write_iter simplifying C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write program crashed: kernel BUG in sock_write_iter testing compiled C program (duration=30s, {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: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$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write program crashed: kernel BUG in sock_write_iter testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write program crashed: kernel BUG in sock_write_iter testing compiled C program (duration=30s, {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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write program crashed: kernel BUG in sock_write_iter testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write program crashed: kernel BUG in sock_write_iter testing compiled C program (duration=30s, {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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write program crashed: kernel BUG in sock_write_iter testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write detailed listing: executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) bind$packet(r0, &(0x7f0000000200)={0x11, 0x15, 0x1, 0x1, 0xff, 0x6, @random="00110400"}, 0x14) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f00000000c0)=@req={0x1000, 0x4, 0x800, 0x8}, 0x10) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x11, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/243, 0xfffffdef}], 0x1) write(r0, &(0x7f0000000000)="01", 0x1) program crashed: kernel BUG in sock_write_iter validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write detailed listing: executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) bind$packet(r0, &(0x7f0000000200)={0x11, 0x15, 0x1, 0x1, 0xff, 0x6, @random="00110400"}, 0x14) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f00000000c0)=@req={0x1000, 0x4, 0x800, 0x8}, 0x10) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x11, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/243, 0xfffffdef}], 0x1) write(r0, &(0x7f0000000000)="01", 0x1) program crashed: kernel BUG in sock_write_iter validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-bind$packet-setsockopt$packet_tx_ring-mmap-readv-write detailed listing: executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) bind$packet(r0, &(0x7f0000000200)={0x11, 0x15, 0x1, 0x1, 0xff, 0x6, @random="00110400"}, 0x14) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f00000000c0)=@req={0x1000, 0x4, 0x800, 0x8}, 0x10) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x11, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f00000000c0)=""/243, 0xfffffdef}], 0x1) write(r0, &(0x7f0000000000)="01", 0x1) program crashed: kernel BUG in sock_write_iter validation run: crashed=true reproducing took 18m17.412358385s repro crashed as (corrupted=false): ------------[ cut here ]------------ kernel BUG at net/socket.c:719! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:sock_sendmsg_nosec net/socket.c:719 [inline] RIP: 0010:__sock_sendmsg net/socket.c:728 [inline] RIP: 0010:sock_write_iter+0x3e7/0x3f0 net/socket.c:1134 Code: cb fd e9 72 fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 0e fe ff ff 4c 89 ef e8 23 fd cb fd e9 01 fe ff ff e8 79 63 86 fd <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 1e RSP: 0018:ffffc900037c7b60 EFLAGS: 00010293 RAX: ffffffff83eb0ac7 RBX: 00000000fffffdef RCX: ffff888112de3cc0 RDX: 0000000000000000 RSI: 00000000fffffdef RDI: 00000000fffffdef RBP: ffffc900037c7c90 R08: ffffc900037c77c7 R09: 1ffff920006f8ef8 R10: dffffc0000000000 R11: fffff520006f8ef9 R12: dffffc0000000000 R13: ffff88812b540780 R14: ffffc900037c7ba0 R15: 1ffff920006f8f70 FS: 000055555cf1c500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000200 CR3: 0000000114415000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_write_iter include/linux/fs.h:2282 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ef/0xd00 fs/read_write.c:584 ksys_write+0x14a/0x260 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f2d6c59e559 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe4c7e5eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f2d6c825fa0 RCX: 00007f2d6c59e559 RDX: 0000000000000001 RSI: 0000200000000000 RDI: 0000000000000003 RBP: 00007f2d6c635ab8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2d6c825fac R14: 00007f2d6c825fa0 R15: 00007f2d6c825fa0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:sock_sendmsg_nosec net/socket.c:719 [inline] RIP: 0010:__sock_sendmsg net/socket.c:728 [inline] RIP: 0010:sock_write_iter+0x3e7/0x3f0 net/socket.c:1134 Code: cb fd e9 72 fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 0e fe ff ff 4c 89 ef e8 23 fd cb fd e9 01 fe ff ff e8 79 63 86 fd <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 1e RSP: 0018:ffffc900037c7b60 EFLAGS: 00010293 RAX: ffffffff83eb0ac7 RBX: 00000000fffffdef RCX: ffff888112de3cc0 RDX: 0000000000000000 RSI: 00000000fffffdef RDI: 00000000fffffdef RBP: ffffc900037c7c90 R08: ffffc900037c77c7 R09: 1ffff920006f8ef8 R10: dffffc0000000000 R11: fffff520006f8ef9 R12: dffffc0000000000 R13: ffff88812b540780 R14: ffffc900037c7ba0 R15: 1ffff920006f8f70 FS: 000055555cf1c500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000200 CR3: 0000000114415000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 final repro crashed as (corrupted=false): ------------[ cut here ]------------ kernel BUG at net/socket.c:719! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:sock_sendmsg_nosec net/socket.c:719 [inline] RIP: 0010:__sock_sendmsg net/socket.c:728 [inline] RIP: 0010:sock_write_iter+0x3e7/0x3f0 net/socket.c:1134 Code: cb fd e9 72 fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 0e fe ff ff 4c 89 ef e8 23 fd cb fd e9 01 fe ff ff e8 79 63 86 fd <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 1e RSP: 0018:ffffc900037c7b60 EFLAGS: 00010293 RAX: ffffffff83eb0ac7 RBX: 00000000fffffdef RCX: ffff888112de3cc0 RDX: 0000000000000000 RSI: 00000000fffffdef RDI: 00000000fffffdef RBP: ffffc900037c7c90 R08: ffffc900037c77c7 R09: 1ffff920006f8ef8 R10: dffffc0000000000 R11: fffff520006f8ef9 R12: dffffc0000000000 R13: ffff88812b540780 R14: ffffc900037c7ba0 R15: 1ffff920006f8f70 FS: 000055555cf1c500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000200 CR3: 0000000114415000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_write_iter include/linux/fs.h:2282 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ef/0xd00 fs/read_write.c:584 ksys_write+0x14a/0x260 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f2d6c59e559 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe4c7e5eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f2d6c825fa0 RCX: 00007f2d6c59e559 RDX: 0000000000000001 RSI: 0000200000000000 RDI: 0000000000000003 RBP: 00007f2d6c635ab8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2d6c825fac R14: 00007f2d6c825fa0 R15: 00007f2d6c825fa0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:sock_sendmsg_nosec net/socket.c:719 [inline] RIP: 0010:__sock_sendmsg net/socket.c:728 [inline] RIP: 0010:sock_write_iter+0x3e7/0x3f0 net/socket.c:1134 Code: cb fd e9 72 fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 0e fe ff ff 4c 89 ef e8 23 fd cb fd e9 01 fe ff ff e8 79 63 86 fd <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 1e RSP: 0018:ffffc900037c7b60 EFLAGS: 00010293 RAX: ffffffff83eb0ac7 RBX: 00000000fffffdef RCX: ffff888112de3cc0 RDX: 0000000000000000 RSI: 00000000fffffdef RDI: 00000000fffffdef RBP: ffffc900037c7c90 R08: ffffc900037c77c7 R09: 1ffff920006f8ef8 R10: dffffc0000000000 R11: fffff520006f8ef9 R12: dffffc0000000000 R13: ffff88812b540780 R14: ffffc900037c7ba0 R15: 1ffff920006f8f70 FS: 000055555cf1c500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000200 CR3: 0000000114415000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400