Extracting prog: 37.784548958s
Minimizing prog: 29m7.120589982s
Simplifying prog options: 0s
Extracting C: 1m43.98731951s
Simplifying C: 10m48.978420879s


extracting reproducer from 30 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: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_generic-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_GET-socket$inet_udplite-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route-sendmsg$nl_route-socket$pppoe
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_SB_GET(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000240)={0x3c, r2, 0x1, 0x70bd27, 0x25dfdbfb, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x5}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000001}, 0x4)
r3 = socket$inet_udplite(0x2, 0x2, 0x88)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00', <r4=>0x0})
r5 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r5, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@bridge_setlink={0x34, 0x13, 0xa2f, 0x70bd25, 0x0, {0x7, 0x0, 0x68, r4, 0x900}, [@IFLA_LINKINFO={0x14, 0x1a, 0x0, 0x1, @vlan={{0x9}, {0x4, 0x4}}}]}, 0x34}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="500000001000030529bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB="0020000030620000280012800a00010076786c616e000000180002801400010000000000", @ANYRES32=0x0, @ANYBLOB="4c4400000000000008001b0064076955"], 0x50}}, 0x0)
socket$pppoe(0x18, 0x1, 0x0)

program crashed: general protection fault in corrupted
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
testing program (duration=45.003219622s, {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_generic-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_GET-socket$inet_udplite-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_SB_GET(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000240)={0x3c, r2, 0x1, 0x70bd27, 0x25dfdbfb, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x5}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000001}, 0x4)
r3 = socket$inet_udplite(0x2, 0x2, 0x88)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00', <r4=>0x0})
r5 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r5, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@bridge_setlink={0x34, 0x13, 0xa2f, 0x70bd25, 0x0, {0x7, 0x0, 0x68, r4, 0x900}, [@IFLA_LINKINFO={0x14, 0x1a, 0x0, 0x1, @vlan={{0x9}, {0x4, 0x4}}}]}, 0x34}}, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="500000001000030529bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB="0020000030620000280012800a00010076786c616e000000180002801400010000000000", @ANYRES32=0x0, @ANYBLOB="4c4400000000000008001b0064076955"], 0x50}}, 0x0)

program crashed: general protection fault in dev_set_group
testing program (duration=45.003219622s, {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_generic-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_GET-socket$inet_udplite-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_SB_GET(r0, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000240)={0x3c, r1, 0x1, 0x70bd27, 0x25dfdbfb, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x5}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000001}, 0x4)
r2 = socket$inet_udplite(0x2, 0x2, 0x88)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00', <r3=>0x0})
r4 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@bridge_setlink={0x34, 0x13, 0xa2f, 0x70bd25, 0x0, {0x7, 0x0, 0x68, r3, 0x900}, [@IFLA_LINKINFO={0x14, 0x1a, 0x0, 0x1, @vlan={{0x9}, {0x4, 0x4}}}]}, 0x34}}, 0x0)

program did not crash
testing program (duration=45.003219622s, {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_generic-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_GET-socket$inet_udplite-ioctl$sock_SIOCGIFINDEX-socket$netlink-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_SB_GET(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000240)={0x3c, r2, 0x1, 0x70bd27, 0x25dfdbfb, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x5}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000001}, 0x4)
r3 = socket$inet_udplite(0x2, 0x2, 0x88)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="500000001000030529bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB="0020000030620000280012800a00010076786c616e000000180002801400010000000000", @ANYRES32=0x0, @ANYBLOB="4c4400000000000008001b0064076955"], 0x50}}, 0x0)

program crashed: general protection fault in dev_set_group
testing program (duration=45.003219622s, {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_generic-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_GET-socket$inet_udplite-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_SB_GET(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000240)={0x3c, r2, 0x1, 0x70bd27, 0x25dfdbfb, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x5}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000001}, 0x4)
r3 = socket$inet_udplite(0x2, 0x2, 0x88)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="500000001000030529bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB="0020000030620000280012800a00010076786c616e000000180002801400010000000000", @ANYRES32=0x0, @ANYBLOB="4c4400000000000008001b0064076955"], 0x50}}, 0x0)

program crashed: general protection fault in dev_set_group
testing program (duration=45.003219622s, {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_generic-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_GET-socket$inet_udplite-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_SB_GET(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000240)={0x3c, r2, 0x1, 0x70bd27, 0x25dfdbfb, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x5}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000001}, 0x4)
socket$inet_udplite(0x2, 0x2, 0x88)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="500000001000030529bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB="0020000030620000280012800a00010076786c616e000000180002801400010000000000", @ANYRES32=0x0, @ANYBLOB="4c4400000000000008001b0064076955"], 0x50}}, 0x0)

program crashed: general protection fault in dev_set_group
testing program (duration=45.003219622s, {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_generic-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_GET-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_SB_GET(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000240)={0x3c, r2, 0x1, 0x70bd27, 0x25dfdbfb, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x5}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x20000001}, 0x4)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="500000001000030529bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB="0020000030620000280012800a00010076786c616e000000180002801400010000000000", @ANYRES32=0x0, @ANYBLOB="4c4400000000000008001b0064076955"], 0x50}}, 0x0)

program crashed: general protection fault in dev_set_group
testing program (duration=45.003219622s, {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_generic-syz_genetlink_get_family_id$devlink-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$devlink(&(0x7f0000000400), 0xffffffffffffffff)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="500000001000030529bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB="0020000030620000280012800a00010076786c616e000000180002801400010000000000", @ANYRES32=0x0, @ANYBLOB="4c4400000000000008001b0064076955"], 0x50}}, 0x0)

program crashed: general protection fault in dev_set_group
testing program (duration=45.003219622s, {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_generic-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="500000001000030529bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB="0020000030620000280012800a00010076786c616e000000180002801400010000000000", @ANYRES32=0x0, @ANYBLOB="4c4400000000000008001b0064076955"], 0x50}}, 0x0)

program crashed: general protection fault in dev_set_group
testing program (duration=45.003219622s, {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$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="500000001000030529bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB="0020000030620000280012800a00010076786c616e000000180002801400010000000000", @ANYRES32=0x0, @ANYBLOB="4c4400000000000008001b0064076955"], 0x50}}, 0x0)

program crashed: general protection fault in dev_set_group
testing program (duration=45.003219622s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="500000001000030529bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB="0020000030620000280012800a00010076786c616e000000180002801400010000000000", @ANYRES32=0x0, @ANYBLOB="4c4400000000000008001b0064076955"], 0x50}}, 0x0)

program did not crash
testing program (duration=45.003219622s, {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$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, 0x0, 0x0)

program did not crash
testing program (duration=45.003219622s, {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$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=45.003219622s, {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$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={0x0, 0x50}}, 0x0)

program did not crash
testing program (duration=45.003219622s, {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$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={&(0x7f00000002c0)=ANY=[], 0x50}}, 0x0)

program did not crash
testing program (duration=45.003219622s, {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$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="500000001000030529bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB="0020000030620000280012800a00010076786c616e000000180002801400010000000000", @ANYRES32=0x0, @ANYBLOB], 0x50}}, 0x0)

program did not crash
testing program (duration=45.003219622s, {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$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="500000001000030529bd70000000000000000000", @ANYRES32=0x0, @ANYBLOB, @ANYRES32=0x0, @ANYBLOB="4c4400000000000008001b0064076955"], 0x50}}, 0x0)

program did not crash
testing program (duration=45.003219622s, {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$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000001140)={&(0x7f00000002c0)=ANY=[@ANYBLOB, @ANYRES32=0x0, @ANYBLOB="0020000030620000280012800a00010076786c616e000000180002801400010000000000", @ANYRES32=0x0, @ANYBLOB="4c4400000000000008001b0064076955"], 0x50}}, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.003219622s, {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$nl_route-sendmsg$nl_route
program crashed: general protection fault in dev_set_group
simplifying C reproducer
testing compiled C program (duration=45.003219622s, {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$nl_route-sendmsg$nl_route
program crashed: general protection fault in dev_set_group
testing compiled C program (duration=45.003219622s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route
program crashed: general protection fault in dev_set_group
testing compiled C program (duration=45.003219622s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route
program crashed: general protection fault in dev_set_group
testing compiled C program (duration=45.003219622s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route
program crashed: general protection fault in dev_set_group
testing compiled C program (duration=45.003219622s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route
program crashed: general protection fault in dev_set_group
testing compiled C program (duration=45.003219622s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route
program crashed: general protection fault in dev_set_group
testing compiled C program (duration=45.003219622s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route
program crashed: general protection fault in dev_set_group
reproducing took 42m17.870898829s
repro crashed as (corrupted=false):
netlink: 'syz-executor167': attribute type 1 has an invalid length.
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000055: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x00000000000002a8-0x00000000000002af]
CPU: 0 UID: 0 PID: 5828 Comm: syz-executor167 Not tainted 6.15.0-syzkaller-07817-gb56bbaf8c9ff #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:netdev_need_ops_lock include/net/netdev_lock.h:33 [inline]
RIP: 0010:netdev_lock_ops include/net/netdev_lock.h:41 [inline]
RIP: 0010:dev_set_group+0xc0/0x230 net/core/dev_api.c:82
Code: 03 43 80 3c 2f 00 74 08 48 89 df e8 4a 40 d4 f8 41 bd a8 02 00 00 4c 03 2b 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 22 40 d4 f8 31 c0 49 83 7d 00 00 0f
RSP: 0018:ffffc9000412ee60 EFLAGS: 00010206
RAX: 0000000000000055 RBX: ffff88805a580008 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000055690764 RDI: ffff88805a580000
RBP: ffff88805a580000 R08: 0000000000400dc0 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1f41637 R12: 0000000000000000
R13: 00000000000002a8 R14: 1ffff1100b4b0198 R15: 1ffff1100b4b0001
FS:  00005555942ce380(0000) GS:ffff888125c66000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001140 CR3: 000000007a226000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rtnl_create_link+0x748/0xd10 net/core/rtnetlink.c:3674
 rtnl_newlink_create+0x25c/0xb00 net/core/rtnetlink.c:3813
 __rtnl_newlink net/core/rtnetlink.c:3940 [inline]
 rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4055
 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6944
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2534
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x75b/0x8d0 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg+0x219/0x270 net/socket.c:727
 ____sys_sendmsg+0x505/0x830 net/socket.c:2566
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620
 __sys_sendmsg net/socket.c:2652 [inline]
 __do_sys_sendmsg net/socket.c:2657 [inline]
 __se_sys_sendmsg net/socket.c:2655 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6ad62ac369
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffce1943448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ffce1943618 RCX: 00007f6ad62ac369
RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000003
RBP: 00007f6ad631f610 R08: 0000000000000000 R09: 00007ffce1943618
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffce1943608 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:netdev_need_ops_lock include/net/netdev_lock.h:33 [inline]
RIP: 0010:netdev_lock_ops include/net/netdev_lock.h:41 [inline]
RIP: 0010:dev_set_group+0xc0/0x230 net/core/dev_api.c:82
Code: 03 43 80 3c 2f 00 74 08 48 89 df e8 4a 40 d4 f8 41 bd a8 02 00 00 4c 03 2b 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 22 40 d4 f8 31 c0 49 83 7d 00 00 0f
RSP: 0018:ffffc9000412ee60 EFLAGS: 00010206
RAX: 0000000000000055 RBX: ffff88805a580008 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000055690764 RDI: ffff88805a580000
RBP: ffff88805a580000 R08: 0000000000400dc0 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1f41637 R12: 0000000000000000
R13: 00000000000002a8 R14: 1ffff1100b4b0198 R15: 1ffff1100b4b0001
FS:  00005555942ce380(0000) GS:ffff888125d66000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005619aa205000 CR3: 000000007a226000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	03 43 80             	add    -0x80(%rbx),%eax
   3:	3c 2f                	cmp    $0x2f,%al
   5:	00 74 08 48          	add    %dh,0x48(%rax,%rcx,1)
   9:	89 df                	mov    %ebx,%edi
   b:	e8 4a 40 d4 f8       	call   0xf8d4405a
  10:	41 bd a8 02 00 00    	mov    $0x2a8,%r13d
  16:	4c 03 2b             	add    (%rbx),%r13
  19:	4c 89 e8             	mov    %r13,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  27:	fc ff df
* 2a:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 ef             	mov    %r13,%rdi
  33:	e8 22 40 d4 f8       	call   0xf8d4405a
  38:	31 c0                	xor    %eax,%eax
  3a:	49 83 7d 00 00       	cmpq   $0x0,0x0(%r13)
  3f:	0f                   	.byte 0xf

final repro crashed as (corrupted=false):
netlink: 'syz-executor167': attribute type 1 has an invalid length.
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000055: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x00000000000002a8-0x00000000000002af]
CPU: 0 UID: 0 PID: 5828 Comm: syz-executor167 Not tainted 6.15.0-syzkaller-07817-gb56bbaf8c9ff #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:netdev_need_ops_lock include/net/netdev_lock.h:33 [inline]
RIP: 0010:netdev_lock_ops include/net/netdev_lock.h:41 [inline]
RIP: 0010:dev_set_group+0xc0/0x230 net/core/dev_api.c:82
Code: 03 43 80 3c 2f 00 74 08 48 89 df e8 4a 40 d4 f8 41 bd a8 02 00 00 4c 03 2b 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 22 40 d4 f8 31 c0 49 83 7d 00 00 0f
RSP: 0018:ffffc9000412ee60 EFLAGS: 00010206
RAX: 0000000000000055 RBX: ffff88805a580008 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000055690764 RDI: ffff88805a580000
RBP: ffff88805a580000 R08: 0000000000400dc0 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1f41637 R12: 0000000000000000
R13: 00000000000002a8 R14: 1ffff1100b4b0198 R15: 1ffff1100b4b0001
FS:  00005555942ce380(0000) GS:ffff888125c66000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001140 CR3: 000000007a226000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rtnl_create_link+0x748/0xd10 net/core/rtnetlink.c:3674
 rtnl_newlink_create+0x25c/0xb00 net/core/rtnetlink.c:3813
 __rtnl_newlink net/core/rtnetlink.c:3940 [inline]
 rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4055
 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6944
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2534
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x75b/0x8d0 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg+0x219/0x270 net/socket.c:727
 ____sys_sendmsg+0x505/0x830 net/socket.c:2566
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620
 __sys_sendmsg net/socket.c:2652 [inline]
 __do_sys_sendmsg net/socket.c:2657 [inline]
 __se_sys_sendmsg net/socket.c:2655 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6ad62ac369
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffce1943448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ffce1943618 RCX: 00007f6ad62ac369
RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000003
RBP: 00007f6ad631f610 R08: 0000000000000000 R09: 00007ffce1943618
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffce1943608 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:netdev_need_ops_lock include/net/netdev_lock.h:33 [inline]
RIP: 0010:netdev_lock_ops include/net/netdev_lock.h:41 [inline]
RIP: 0010:dev_set_group+0xc0/0x230 net/core/dev_api.c:82
Code: 03 43 80 3c 2f 00 74 08 48 89 df e8 4a 40 d4 f8 41 bd a8 02 00 00 4c 03 2b 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 22 40 d4 f8 31 c0 49 83 7d 00 00 0f
RSP: 0018:ffffc9000412ee60 EFLAGS: 00010206
RAX: 0000000000000055 RBX: ffff88805a580008 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000055690764 RDI: ffff88805a580000
RBP: ffff88805a580000 R08: 0000000000400dc0 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff1f41637 R12: 0000000000000000
R13: 00000000000002a8 R14: 1ffff1100b4b0198 R15: 1ffff1100b4b0001
FS:  00005555942ce380(0000) GS:ffff888125d66000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005619aa205000 CR3: 000000007a226000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	03 43 80             	add    -0x80(%rbx),%eax
   3:	3c 2f                	cmp    $0x2f,%al
   5:	00 74 08 48          	add    %dh,0x48(%rax,%rcx,1)
   9:	89 df                	mov    %ebx,%edi
   b:	e8 4a 40 d4 f8       	call   0xf8d4405a
  10:	41 bd a8 02 00 00    	mov    $0x2a8,%r13d
  16:	4c 03 2b             	add    (%rbx),%r13
  19:	4c 89 e8             	mov    %r13,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  27:	fc ff df
* 2a:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 ef             	mov    %r13,%rdi
  33:	e8 22 40 d4 f8       	call   0xf8d4405a
  38:	31 c0                	xor    %eax,%eax
  3a:	49 83 7d 00 00       	cmpq   $0x0,0x0(%r13)
  3f:	0f                   	.byte 0xf