Extracting prog: 8m1.794175923s
Minimizing prog: 1h27m14.241878332s
Simplifying prog options: 0s
Extracting C: 1m43.130383674s
Simplifying C: 53m56.854086125s


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}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000040)={'batadv_slave_0\x00', <r1=>0x0})
r2 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000180)={'syz_tun\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=@newlink={0x40, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x7, 0x0, 0x0, 0x340}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @hsr={{0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_HSR_SLAVE2={0x8, 0x2, r1}, @IFLA_HSR_SLAVE1={0x8, 0x1, r3}]}}}]}, 0x40}}, 0x0)
syz_emit_ethernet(0xe, &(0x7f00000001c0)={@link_local, @random="50a245d5cde0", @void, {@ipv4={0x892f, @icmp={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x2, 0x0, @empty, @broadcast}, @timestamp_reply={0x11}}}}}, 0x0)

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}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000040)={'batadv_slave_0\x00', <r1=>0x0})
r2 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000180)={'syz_tun\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=@newlink={0x40, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x7, 0x0, 0x0, 0x340}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @hsr={{0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_HSR_SLAVE2={0x8, 0x2, r1}, @IFLA_HSR_SLAVE1={0x8, 0x1, r3}]}}}]}, 0x40}}, 0x0)
syz_emit_ethernet(0xe, &(0x7f00000001c0)={@link_local, @random="50a245d5cde0", @void, {@ipv4={0x892f, @icmp={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x2, 0x0, @empty, @broadcast}, @timestamp_reply={0x11}}}}}, 0x0)

program crashed: KMSAN: uninit-value in hsr_get_node
single: successfully extracted reproducer
found reproducer with 6 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}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000040)={'batadv_slave_0\x00', <r1=>0x0})
r2 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000180)={'syz_tun\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=@newlink={0x40, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x7, 0x0, 0x0, 0x340}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @hsr={{0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_HSR_SLAVE2={0x8, 0x2, r1}, @IFLA_HSR_SLAVE1={0x8, 0x1, r3}]}}}]}, 0x40}}, 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}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000040)={'batadv_slave_0\x00'})
r1 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000180)={'syz_tun\x00'})
syz_emit_ethernet(0xe, &(0x7f00000001c0)={@link_local, @random="50a245d5cde0", @void, {@ipv4={0x892f, @icmp={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x2, 0x0, @empty, @broadcast}, @timestamp_reply={0x11}}}}}, 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}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-sendmsg$nl_route-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000040)={'batadv_slave_0\x00', <r1=>0x0})
socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=@newlink={0x40, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x7, 0x0, 0x0, 0x340}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @hsr={{0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_HSR_SLAVE2={0x8, 0x2, r1}, @IFLA_HSR_SLAVE1={0x8}]}}}]}, 0x40}}, 0x0)
syz_emit_ethernet(0xe, &(0x7f00000001c0)={@link_local, @random="50a245d5cde0", @void, {@ipv4={0x892f, @icmp={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x2, 0x0, @empty, @broadcast}, @timestamp_reply={0x11}}}}}, 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}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000040)={'batadv_slave_0\x00', <r1=>0x0})
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000180)={'syz_tun\x00', <r2=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=@newlink={0x40, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x7, 0x0, 0x0, 0x340}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @hsr={{0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_HSR_SLAVE2={0x8, 0x2, r1}, @IFLA_HSR_SLAVE1={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)
syz_emit_ethernet(0xe, &(0x7f00000001c0)={@link_local, @random="50a245d5cde0", @void, {@ipv4={0x892f, @icmp={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x2, 0x0, @empty, @broadcast}, @timestamp_reply={0x11}}}}}, 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}}): socket$nl_route-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000180)={'syz_tun\x00', <r2=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=@newlink={0x40, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x7, 0x0, 0x0, 0x340}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @hsr={{0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_HSR_SLAVE2={0x8}, @IFLA_HSR_SLAVE1={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)
syz_emit_ethernet(0xe, &(0x7f00000001c0)={@link_local, @random="50a245d5cde0", @void, {@ipv4={0x892f, @icmp={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x2, 0x0, @empty, @broadcast}, @timestamp_reply={0x11}}}}}, 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}}): ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
detailed listing:
executing program 0:
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'batadv_slave_0\x00', <r0=>0x0})
r1 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000180)={'syz_tun\x00', <r2=>0x0})
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=@newlink={0x40, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x7, 0x0, 0x0, 0x340}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @hsr={{0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_HSR_SLAVE2={0x8, 0x2, r0}, @IFLA_HSR_SLAVE1={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)
syz_emit_ethernet(0xe, &(0x7f00000001c0)={@link_local, @random="50a245d5cde0", @void, {@ipv4={0x892f, @icmp={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x2, 0x0, @empty, @broadcast}, @timestamp_reply={0x11}}}}}, 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}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000180)={'syz_tun\x00', <r2=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=@newlink={0x40, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x7, 0x0, 0x0, 0x340}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @hsr={{0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_HSR_SLAVE2={0x8}, @IFLA_HSR_SLAVE1={0x8, 0x1, r2}]}}}]}, 0x40}}, 0x0)
syz_emit_ethernet(0xe, &(0x7f00000001c0)={@link_local, @random="50a245d5cde0", @void, {@ipv4={0x892f, @icmp={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x2, 0x0, @empty, @broadcast}, @timestamp_reply={0x11}}}}}, 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}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000040)={'batadv_slave_0\x00', <r1=>0x0})
r2 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=@newlink={0x40, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x7, 0x0, 0x0, 0x340}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @hsr={{0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_HSR_SLAVE2={0x8, 0x2, r1}, @IFLA_HSR_SLAVE1={0x8}]}}}]}, 0x40}}, 0x0)
syz_emit_ethernet(0xe, &(0x7f00000001c0)={@link_local, @random="50a245d5cde0", @void, {@ipv4={0x892f, @icmp={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x2, 0x0, @empty, @broadcast}, @timestamp_reply={0x11}}}}}, 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}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000040)={'batadv_slave_0\x00'})
r1 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000180)={'syz_tun\x00'})
sendmsg$nl_route(r0, 0x0, 0x0)
syz_emit_ethernet(0xe, &(0x7f00000001c0)={@link_local, @random="50a245d5cde0", @void, {@ipv4={0x892f, @icmp={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x2, 0x0, @empty, @broadcast}, @timestamp_reply={0x11}}}}}, 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}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000040)={'batadv_slave_0\x00'})
r1 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000180)={'syz_tun\x00'})
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0)
syz_emit_ethernet(0xe, &(0x7f00000001c0)={@link_local, @random="50a245d5cde0", @void, {@ipv4={0x892f, @icmp={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x2, 0x0, @empty, @broadcast}, @timestamp_reply={0x11}}}}}, 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}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000040)={'batadv_slave_0\x00'})
r1 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000180)={'syz_tun\x00'})
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x0)
syz_emit_ethernet(0xe, &(0x7f00000001c0)={@link_local, @random="50a245d5cde0", @void, {@ipv4={0x892f, @icmp={{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x2, 0x0, @empty, @broadcast}, @timestamp_reply={0x11}}}}}, 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}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000040)={'batadv_slave_0\x00', <r1=>0x0})
r2 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000180)={'syz_tun\x00', <r3=>0x0})
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=@newlink={0x40, 0x10, 0x503, 0x0, 0x0, {0x0, 0x0, 0x7, 0x0, 0x0, 0x340}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @hsr={{0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_HSR_SLAVE2={0x8, 0x2, r1}, @IFLA_HSR_SLAVE1={0x8, 0x1, r3}]}}}]}, 0x40}}, 0x0)
syz_emit_ethernet(0x0, 0x0, 0x0)

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}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: KMSAN: uninit-value in hsr_get_node
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: KMSAN: uninit-value in hsr_get_node
testing compiled C 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}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: KMSAN: uninit-value in hsr_get_node
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: KMSAN: uninit-value in hsr_get_node
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: KMSAN: uninit-value in hsr_get_node
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: KMSAN: uninit-value in hsr_get_node
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: KMSAN: uninit-value in hsr_get_node
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: KMSAN: uninit-value in hsr_get_node
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: KMSAN: uninit-value in hsr_get_node
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: KMSAN: uninit-value in hsr_get_node
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: KMSAN: uninit-value in hsr_get_node
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: KMSAN: uninit-value in hsr_get_node
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: KMSAN: uninit-value in hsr_get_node
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$ifreq_SIOCGIFINDEX_batadv_hard-socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route-syz_emit_ethernet
program crashed: KMSAN: uninit-value in hsr_get_node
reproducing took 2h30m56.020562353s
repro crashed as (corrupted=false):
syz_tun: entered promiscuous mode
batadv_slave_0: entered promiscuous mode
=====================================================
BUG: KMSAN: uninit-value in hsr_get_node+0xd05/0xd30 net/hsr/hsr_framereg.c:275
 hsr_get_node+0xd05/0xd30 net/hsr/hsr_framereg.c:275
 fill_frame_info net/hsr/hsr_forward.c:690 [inline]
 hsr_forward_skb+0x3ca/0x3ef0 net/hsr/hsr_forward.c:729
 hsr_handle_frame+0xd15/0xf40 net/hsr/hsr_slave.c:78
 __netif_receive_skb_core+0x1f80/0x6cd0 net/core/dev.c:5722
 __netif_receive_skb_one_core net/core/dev.c:5826 [inline]
 __netif_receive_skb+0xca/0xa00 net/core/dev.c:5941
 netif_receive_skb_internal net/core/dev.c:6027 [inline]
 netif_receive_skb+0x58/0x660 net/core/dev.c:6086
 tun_rx_batched+0x3ee/0x980 drivers/net/tun.c:1554
 tun_get_user+0x52b3/0x6e50 drivers/net/tun.c:2011
 tun_chr_write_iter+0x3ac/0x5d0 drivers/net/tun.c:2057
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xb34/0x1540 fs/read_write.c:679
 ksys_write+0x240/0x4b0 fs/read_write.c:731
 __do_sys_write fs/read_write.c:742 [inline]
 __se_sys_write fs/read_write.c:739 [inline]
 __x64_sys_write+0x93/0xe0 fs/read_write.c:739
 x64_sys_call+0x3161/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 __alloc_frozen_pages_noprof+0x9a7/0xe00 mm/page_alloc.c:4762
 alloc_pages_mpol+0x4cd/0x890 mm/mempolicy.c:2270
 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline]
 alloc_pages_noprof+0x1b5/0x250 mm/mempolicy.c:2361
 skb_page_frag_refill+0x2bf/0x7c0 net/core/sock.c:3043
 tun_build_skb drivers/net/tun.c:1685 [inline]
 tun_get_user+0xe00/0x6e50 drivers/net/tun.c:1828
 tun_chr_write_iter+0x3ac/0x5d0 drivers/net/tun.c:2057
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xb34/0x1540 fs/read_write.c:679
 ksys_write+0x240/0x4b0 fs/read_write.c:731
 __do_sys_write fs/read_write.c:742 [inline]
 __se_sys_write fs/read_write.c:739 [inline]
 __x64_sys_write+0x93/0xe0 fs/read_write.c:739
 x64_sys_call+0x3161/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 0 UID: 0 PID: 5803 Comm: syz-executor171 Not tainted 6.13.0-syzkaller-10003-ga86bf2283d2c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
=====================================================

final repro crashed as (corrupted=false):
syz_tun: entered promiscuous mode
batadv_slave_0: entered promiscuous mode
=====================================================
BUG: KMSAN: uninit-value in hsr_get_node+0xd05/0xd30 net/hsr/hsr_framereg.c:275
 hsr_get_node+0xd05/0xd30 net/hsr/hsr_framereg.c:275
 fill_frame_info net/hsr/hsr_forward.c:690 [inline]
 hsr_forward_skb+0x3ca/0x3ef0 net/hsr/hsr_forward.c:729
 hsr_handle_frame+0xd15/0xf40 net/hsr/hsr_slave.c:78
 __netif_receive_skb_core+0x1f80/0x6cd0 net/core/dev.c:5722
 __netif_receive_skb_one_core net/core/dev.c:5826 [inline]
 __netif_receive_skb+0xca/0xa00 net/core/dev.c:5941
 netif_receive_skb_internal net/core/dev.c:6027 [inline]
 netif_receive_skb+0x58/0x660 net/core/dev.c:6086
 tun_rx_batched+0x3ee/0x980 drivers/net/tun.c:1554
 tun_get_user+0x52b3/0x6e50 drivers/net/tun.c:2011
 tun_chr_write_iter+0x3ac/0x5d0 drivers/net/tun.c:2057
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xb34/0x1540 fs/read_write.c:679
 ksys_write+0x240/0x4b0 fs/read_write.c:731
 __do_sys_write fs/read_write.c:742 [inline]
 __se_sys_write fs/read_write.c:739 [inline]
 __x64_sys_write+0x93/0xe0 fs/read_write.c:739
 x64_sys_call+0x3161/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 __alloc_frozen_pages_noprof+0x9a7/0xe00 mm/page_alloc.c:4762
 alloc_pages_mpol+0x4cd/0x890 mm/mempolicy.c:2270
 alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline]
 alloc_pages_noprof+0x1b5/0x250 mm/mempolicy.c:2361
 skb_page_frag_refill+0x2bf/0x7c0 net/core/sock.c:3043
 tun_build_skb drivers/net/tun.c:1685 [inline]
 tun_get_user+0xe00/0x6e50 drivers/net/tun.c:1828
 tun_chr_write_iter+0x3ac/0x5d0 drivers/net/tun.c:2057
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xb34/0x1540 fs/read_write.c:679
 ksys_write+0x240/0x4b0 fs/read_write.c:731
 __do_sys_write fs/read_write.c:742 [inline]
 __se_sys_write fs/read_write.c:739 [inline]
 __x64_sys_write+0x93/0xe0 fs/read_write.c:739
 x64_sys_call+0x3161/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 0 UID: 0 PID: 5803 Comm: syz-executor171 Not tainted 6.13.0-syzkaller-10003-ga86bf2283d2c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
=====================================================