Extracting prog: 1m52.146962215s
Minimizing prog: 13m30.921919246s
Simplifying prog options: 0s
Extracting C: 32.178897875s
Simplifying C: 6m24.752987116s


extracting reproducer from 24 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={<r1=>0x0, <r2=>0x0}, 0x0)
write(r2, &(0x7f0000000210)="01", 0x1)
read(r1, &(0x7f0000800000)=""/8, 0x8)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r3, 0x8933, &(0x7f0000000280)={'wg0\x00', <r4=>0x0})
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r4, 0x1, 0x0, 0x0, @multicast}, 0x14)

program crashed: WARNING in __dev_queue_xmit
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={<r1=>0x0, <r2=>0x0}, 0x0)
write(r2, &(0x7f0000000210)="01", 0x1)
read(r1, &(0x7f0000800000)=""/8, 0x8)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r3, 0x8933, &(0x7f0000000280)={'wg0\x00'})

program did not crash
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-pipe2-write-read-socket$nl_generic-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={<r1=>0x0, <r2=>0x0}, 0x0)
write(r2, &(0x7f0000000210)="01", 0x1)
read(r1, &(0x7f0000800000)=""/8, 0x8)
socket$nl_generic(0x10, 0x3, 0x10)
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, 0x0, 0x1, 0x0, 0x0, @multicast}, 0x14)

program did not crash
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-pipe2-write-read-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={<r1=>0x0, <r2=>0x0}, 0x0)
write(r2, &(0x7f0000000210)="01", 0x1)
read(r1, &(0x7f0000800000)=""/8, 0x8)
ioctl$ifreq_SIOCGIFINDEX_wireguard(0xffffffffffffffff, 0x8933, &(0x7f0000000280)={'wg0\x00', <r3=>0x0})
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r3, 0x1, 0x0, 0x0, @multicast}, 0x14)

program did not crash
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-pipe2-write-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={0x0, <r1=>0x0}, 0x0)
write(r1, &(0x7f0000000210)="01", 0x1)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r2, 0x8933, &(0x7f0000000280)={'wg0\x00', <r3=>0x0})
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r3, 0x1, 0x0, 0x0, @multicast}, 0x14)

program did not crash
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-pipe2-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={<r1=>0x0, 0x0}, 0x0)
read(r1, &(0x7f0000800000)=""/8, 0x8)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r2, 0x8933, &(0x7f0000000280)={'wg0\x00', <r3=>0x0})
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r3, 0x1, 0x0, 0x0, @multicast}, 0x14)

program did not crash
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000210)="01", 0x1)
read(0xffffffffffffffff, &(0x7f0000800000)=""/8, 0x8)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r1, 0x8933, &(0x7f0000000280)={'wg0\x00', <r2=>0x0})
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r2, 0x1, 0x0, 0x0, @multicast}, 0x14)

program did not crash
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
pipe2(&(0x7f0000000200)={<r1=>0x0, <r2=>0x0}, 0x0)
write(r2, &(0x7f0000000210)="01", 0x1)
read(r1, &(0x7f0000800000)=""/8, 0x8)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r3, 0x8933, &(0x7f0000000280)={'wg0\x00', <r4=>0x0})
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r4, 0x1, 0x0, 0x0, @multicast}, 0x14)

program did not crash
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$packet-mmap-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={<r1=>0x0, <r2=>0x0}, 0x0)
write(r2, &(0x7f0000000210)="01", 0x1)
read(r1, &(0x7f0000800000)=""/8, 0x8)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r3, 0x8933, &(0x7f0000000280)={'wg0\x00', <r4=>0x0})
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r4, 0x1, 0x0, 0x0, @multicast}, 0x14)

program did not crash
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): setsockopt$packet_tx_ring-mmap-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
setsockopt$packet_tx_ring(0xffffffffffffffff, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, 0xffffffffffffffff, 0x0)
pipe2(&(0x7f0000000200)={<r0=>0x0, <r1=>0x0}, 0x0)
write(r1, &(0x7f0000000210)="01", 0x1)
read(r0, &(0x7f0000800000)=""/8, 0x8)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r2, 0x8933, &(0x7f0000000280)={'wg0\x00', <r3=>0x0})
sendto$packet(0xffffffffffffffff, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r3, 0x1, 0x0, 0x0, @multicast}, 0x14)

program did not crash
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, 0x0, 0x0)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={<r1=>0x0, <r2=>0x0}, 0x0)
write(r2, &(0x7f0000000210)="01", 0x1)
read(r1, &(0x7f0000800000)=""/8, 0x8)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r3, 0x8933, &(0x7f0000000280)={'wg0\x00', <r4=>0x0})
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r4, 0x1, 0x0, 0x0, @multicast}, 0x14)

program did not crash
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000210)="01", 0x1)
read(0xffffffffffffffff, &(0x7f0000800000)=""/8, 0x8)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r1, 0x8933, &(0x7f0000000280)={'wg0\x00', <r2=>0x0})
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r2, 0x1, 0x0, 0x0, @multicast}, 0x14)

program did not crash
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={<r1=>0x0, <r2=>0x0}, 0x0)
write(r2, 0x0, 0x0)
read(r1, &(0x7f0000800000)=""/8, 0x8)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r3, 0x8933, &(0x7f0000000280)={'wg0\x00', <r4=>0x0})
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r4, 0x1, 0x0, 0x0, @multicast}, 0x14)

program did not crash
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={<r1=>0x0, <r2=>0x0}, 0x0)
write(r2, &(0x7f0000000210), 0x0)
read(r1, &(0x7f0000800000)=""/8, 0x8)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r3, 0x8933, &(0x7f0000000280)={'wg0\x00', <r4=>0x0})
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r4, 0x1, 0x0, 0x0, @multicast}, 0x14)

program did not crash
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={<r1=>0x0, <r2=>0x0}, 0x0)
write(r2, &(0x7f0000000210)="01", 0x1)
read(r1, 0x0, 0x0)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r3, 0x8933, &(0x7f0000000280)={'wg0\x00', <r4=>0x0})
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r4, 0x1, 0x0, 0x0, @multicast}, 0x14)

program did not crash
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={<r1=>0x0, <r2=>0x0}, 0x0)
write(r2, &(0x7f0000000210)="01", 0x1)
read(r1, &(0x7f0000800000)=""/8, 0x8)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r3, 0x8933, 0x0)
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, 0x0, 0x1, 0x0, 0x0, @multicast}, 0x14)

program did not crash
testing program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={<r1=>0x0, <r2=>0x0}, 0x0)
write(r2, &(0x7f0000000210)="01", 0x1)
read(r1, &(0x7f0000800000)=""/8, 0x8)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r3, 0x8933, &(0x7f0000000280)={'wg0\x00'})
sendto$packet(r0, 0x0, 0x0, 0x4000010, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=33.264008964s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
program crashed: WARNING in __dev_queue_xmit
simplifying C reproducer
testing compiled C program (duration=33.264008964s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-setsockopt$packet_tx_ring-mmap-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
program crashed: WARNING in __dev_queue_xmit
testing compiled C program (duration=33.264008964s, {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$packet-setsockopt$packet_tx_ring-mmap-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
program crashed: WARNING in __dev_queue_xmit
testing compiled C program (duration=33.264008964s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-setsockopt$packet_tx_ring-mmap-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
program did not crash
testing compiled C program (duration=33.264008964s, {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: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-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
program crashed: WARNING in __dev_queue_xmit
testing compiled C program (duration=33.264008964s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-setsockopt$packet_tx_ring-mmap-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
program did not crash
testing compiled C program (duration=33.264008964s, {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: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-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
program crashed: WARNING in __dev_queue_xmit
testing compiled C program (duration=33.264008964s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-setsockopt$packet_tx_ring-mmap-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
program crashed: WARNING in __dev_queue_xmit
testing compiled C program (duration=33.264008964s, {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$packet-setsockopt$packet_tx_ring-mmap-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
program crashed: WARNING in __dev_queue_xmit
testing compiled C program (duration=33.264008964s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-setsockopt$packet_tx_ring-mmap-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
program crashed: WARNING in __dev_queue_xmit
testing compiled C program (duration=33.264008964s, {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$packet-setsockopt$packet_tx_ring-mmap-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
program crashed: WARNING in __dev_queue_xmit
testing compiled C program (duration=33.264008964s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-setsockopt$packet_tx_ring-mmap-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
program crashed: WARNING in __dev_queue_xmit
testing compiled C program (duration=33.264008964s, {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$packet-setsockopt$packet_tx_ring-mmap-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
program crashed: WARNING in __dev_queue_xmit
testing program (duration=33.264008964s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-setsockopt$packet_tx_ring-mmap-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={<r1=>0x0, <r2=>0x0}, 0x0)
write(r2, &(0x7f0000000210)="01", 0x1)
read(r1, &(0x7f0000800000)=""/8, 0x8)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r3, 0x8933, &(0x7f0000000280)={'wg0\x00', <r4=>0x0})
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r4, 0x1, 0x0, 0x0, @multicast}, 0x14)

program crashed: WARNING in __dev_queue_xmit
validation run: crashed=true
testing program (duration=33.264008964s, {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$packet-setsockopt$packet_tx_ring-mmap-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={<r1=>0x0, <r2=>0x0}, 0x0)
write(r2, &(0x7f0000000210)="01", 0x1)
read(r1, &(0x7f0000800000)=""/8, 0x8)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r3, 0x8933, &(0x7f0000000280)={'wg0\x00', <r4=>0x0})
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r4, 0x1, 0x0, 0x0, @multicast}, 0x14)

program crashed: WARNING in __dev_queue_xmit
validation run: crashed=true
testing program (duration=33.264008964s, {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$packet-setsockopt$packet_tx_ring-mmap-pipe2-write-read-socket$nl_generic-ioctl$ifreq_SIOCGIFINDEX_wireguard-sendto$packet
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000080)=@req={0x800000, 0x1, 0x1000, 0x800}, 0x10)
mmap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x3, 0x11, r0, 0x0)
pipe2(&(0x7f0000000200)={<r1=>0x0, <r2=>0x0}, 0x0)
write(r2, &(0x7f0000000210)="01", 0x1)
read(r1, &(0x7f0000800000)=""/8, 0x8)
r3 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$ifreq_SIOCGIFINDEX_wireguard(r3, 0x8933, &(0x7f0000000280)={'wg0\x00', <r4=>0x0})
sendto$packet(r0, 0x0, 0x0, 0x4000010, &(0x7f0000000000)={0x11, 0x10, r4, 0x1, 0x0, 0x0, @multicast}, 0x14)

program crashed: WARNING in __dev_queue_xmit
validation run: crashed=true
reproducing took 24m27.055738454s
repro crashed as (corrupted=false):
------------[ cut here ]------------
skb_assert_len
WARNING: CPU: 0 PID: 384 at include/linux/skbuff.h:2720 skb_assert_len include/linux/skbuff.h:2720 [inline]
WARNING: CPU: 0 PID: 384 at include/linux/skbuff.h:2720 __dev_queue_xmit+0x1e1d/0x3780 net/core/dev.c:4462
Modules linked in:
CPU: 0 UID: 0 PID: 384 Comm: syz.2.17 Not tainted syzkaller #0 4d4a838cf2fc485b043991145ccf8426a0241c16
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:skb_assert_len include/linux/skbuff.h:2720 [inline]
RIP: 0010:__dev_queue_xmit+0x1e1d/0x3780 net/core/dev.c:4462
Code: 00 00 00 fc ff df e9 ea e6 ff ff e8 bd ba 05 fd c6 05 e5 95 63 03 01 48 c7 c7 60 16 8b 86 48 c7 c6 15 62 19 87 e8 d3 92 82 fc <0f> 0b 80 3d ca 95 63 03 01 0f 84 af e3 ff ff e8 8f ba 05 fd c6 05
RSP: 0018:ffffc9000129f6a0 EFLAGS: 00010246
RAX: a846f57f36b30200 RBX: ffff888114bd91b0 RCX: ffff888115d7b900
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc9000129f980 R08: ffff8881f6e294d3 R09: 1ffff1103edc529a
R10: dffffc0000000000 R11: ffffed103edc529b R12: 1ffff1102297b22a
R13: ffff888114bd9140 R14: 0000000000000000 R15: dffffc0000000000
FS:  000055555d585500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd2067eb7c0 CR3: 000000012ebba000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 dev_queue_xmit include/linux/netdevice.h:3141 [inline]
 packet_xmit+0x76/0x360 net/packet/af_packet.c:276
 tpacket_snd net/packet/af_packet.c:2938 [inline]
 packet_sendmsg+0x228b/0x56b0 net/packet/af_packet.c:3165
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 __sys_sendto+0x68a/0x700 net/socket.c:2216
 __do_sys_sendto net/socket.c:2228 [inline]
 __se_sys_sendto net/socket.c:2224 [inline]
 __x64_sys_sendto+0xe9/0x100 net/socket.c:2224
 x64_sys_call+0x2c2c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:45
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fd20679e0d9
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:00007fff5124fdc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fd206a25fa0 RCX: 00007fd20679e0d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fd206835024 R08: 0000200000000000 R09: 0000000000000014
R10: 0000000004000010 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd206a25fac R14: 00007fd206a25fa0 R15: 00007fd206a25fa0
 </TASK>
---[ end trace 0000000000000000 ]---
skb len=0 headroom=144 headlen=0 tailroom=240
mac=(144,0) mac_len=0 net=(144,-1) trans=-1
shinfo(txflags=0 nr_frags=0 gso(size=0 type=0 segs=0))
csum(0x0 start=0 offset=0 ip_summed=0 complete_sw=0 valid=0 level=0)
hash(0x0 sw=0 l4=0) proto=0x0010 pkttype=0 iif=0
priority=0x0 mark=0x0 alloc_cpu=0 vlan_all=0x0
encapsulation=0 inner(proto=0x0000, mac=0, net=0, trans=0)
dev name=wg0 feat=0x00000106401d4829
sk family=17 type=2 proto=0

final repro crashed as (corrupted=false):
------------[ cut here ]------------
skb_assert_len
WARNING: CPU: 0 PID: 384 at include/linux/skbuff.h:2720 skb_assert_len include/linux/skbuff.h:2720 [inline]
WARNING: CPU: 0 PID: 384 at include/linux/skbuff.h:2720 __dev_queue_xmit+0x1e1d/0x3780 net/core/dev.c:4462
Modules linked in:
CPU: 0 UID: 0 PID: 384 Comm: syz.2.17 Not tainted syzkaller #0 4d4a838cf2fc485b043991145ccf8426a0241c16
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:skb_assert_len include/linux/skbuff.h:2720 [inline]
RIP: 0010:__dev_queue_xmit+0x1e1d/0x3780 net/core/dev.c:4462
Code: 00 00 00 fc ff df e9 ea e6 ff ff e8 bd ba 05 fd c6 05 e5 95 63 03 01 48 c7 c7 60 16 8b 86 48 c7 c6 15 62 19 87 e8 d3 92 82 fc <0f> 0b 80 3d ca 95 63 03 01 0f 84 af e3 ff ff e8 8f ba 05 fd c6 05
RSP: 0018:ffffc9000129f6a0 EFLAGS: 00010246
RAX: a846f57f36b30200 RBX: ffff888114bd91b0 RCX: ffff888115d7b900
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc9000129f980 R08: ffff8881f6e294d3 R09: 1ffff1103edc529a
R10: dffffc0000000000 R11: ffffed103edc529b R12: 1ffff1102297b22a
R13: ffff888114bd9140 R14: 0000000000000000 R15: dffffc0000000000
FS:  000055555d585500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd2067eb7c0 CR3: 000000012ebba000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 dev_queue_xmit include/linux/netdevice.h:3141 [inline]
 packet_xmit+0x76/0x360 net/packet/af_packet.c:276
 tpacket_snd net/packet/af_packet.c:2938 [inline]
 packet_sendmsg+0x228b/0x56b0 net/packet/af_packet.c:3165
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 __sys_sendto+0x68a/0x700 net/socket.c:2216
 __do_sys_sendto net/socket.c:2228 [inline]
 __se_sys_sendto net/socket.c:2224 [inline]
 __x64_sys_sendto+0xe9/0x100 net/socket.c:2224
 x64_sys_call+0x2c2c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:45
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fd20679e0d9
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:00007fff5124fdc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fd206a25fa0 RCX: 00007fd20679e0d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fd206835024 R08: 0000200000000000 R09: 0000000000000014
R10: 0000000004000010 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd206a25fac R14: 00007fd206a25fa0 R15: 00007fd206a25fa0
 </TASK>
---[ end trace 0000000000000000 ]---
skb len=0 headroom=144 headlen=0 tailroom=240
mac=(144,0) mac_len=0 net=(144,-1) trans=-1
shinfo(txflags=0 nr_frags=0 gso(size=0 type=0 segs=0))
csum(0x0 start=0 offset=0 ip_summed=0 complete_sw=0 valid=0 level=0)
hash(0x0 sw=0 l4=0) proto=0x0010 pkttype=0 iif=0
priority=0x0 mark=0x0 alloc_cpu=0 vlan_all=0x0
encapsulation=0 inner(proto=0x0000, mac=0, net=0, trans=0)
dev name=wg0 feat=0x00000106401d4829
sk family=17 type=2 proto=0