Extracting prog: 2m57.823661785s
Minimizing prog: 41m49.22118122s
Simplifying prog options: 0s
Extracting C: 1m5.948965895s
Simplifying C: 44m31.07154691s


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:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-socket$nl_route-sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r2, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
socket$nl_route(0x10, 0x3, 0x0) (async)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0) (async)
socket$netlink(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) (async)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r2, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000) (async)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-socket$nl_route-sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r2, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
socket$nl_route(0x10, 0x3, 0x0) (async)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0) (async)
socket$netlink(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) (async)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r2, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000) (async)

program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-socket$nl_route-sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r2, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
socket$nl_route(0x10, 0x3, 0x0) (async)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0) (async)
socket$netlink(0x10, 0x3, 0x10) (async)
syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) (async)

program did not crash
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-socket$nl_route-sendmsg$nl_route-socket$netlink-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r2, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
socket$nl_route(0x10, 0x3, 0x0) (async)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0) (async)
socket$netlink(0x10, 0x3, 0x10) (async)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r2, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000) (async)

program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-socket$nl_route-sendmsg$nl_route-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r2, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
socket$nl_route(0x10, 0x3, 0x0) (async)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0) (async)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r2, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000) (async)

program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-socket$nl_route-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r2, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
socket$nl_route(0x10, 0x3, 0x0) (async)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r2, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000) (async)

program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r2, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r2, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000) (async)

program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x10)
r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r2, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000) (async)

program did not crash
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route-socket$netlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x10)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, 0x0, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, 0x0, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000) (async)

program did not crash
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-sendmsg$nl_route-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000) (async)

program did not crash
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000) (async)

program did not crash
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000) (async)

program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x3c, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x28b1b}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6, 0x5, 0x4e24}]}}}]}, 0x3c}}, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)

program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)

program crashed: KASAN: slab-use-after-free Read in __pwq_activate_work
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)

program did not crash
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, 0x0, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)

program did not crash
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)

program did not crash
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={0x0}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)

program did not crash
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, 0x0, 0x8000)

program did not crash
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x41}, 0x8000)

program did not crash
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={0x0}, 0x1, 0x0, 0x0, 0x41}, 0x8000)

program did not crash
extracting C reproducer
testing compiled C program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
simplifying C reproducer
testing compiled C program (duration=2m19.792572195s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program did not crash
testing compiled C program (duration=2m19.792572195s, {Threaded:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program did not crash
testing compiled C program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program did not crash
testing compiled C program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
testing compiled C program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program did not crash
testing compiled C program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program did not crash
testing compiled C program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
testing compiled C program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
testing compiled C program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
testing compiled C program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program crashed: WARNING: ODEBUG bug in udp_tunnel_nic_netdevice_event
a never seen crash title: WARNING: ODEBUG bug in udp_tunnel_nic_netdevice_event, ignore
testing compiled C program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program did not crash
testing compiled C program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
testing compiled C program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program did not crash
testing compiled C program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
testing compiled C program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program did not crash
testing compiled C program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
program did not crash
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)

program crashed: KASAN: slab-use-after-free Read in __pwq_activate_work
validation run: crashed=true
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)

program did not crash
validation run: crashed=false
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)

program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
validation run: crashed=true
testing program (duration=2m19.792572195s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route-socket$netlink-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_RATE_NEW-sendmsg$DEVLINK_CMD_RATE_NEW
detailed listing:
executing program 0:
sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)
sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x34, r1, 0x1, 0x0, 0x25dfdbfb, {0x25}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x34}, 0x1, 0x0, 0x0, 0x41}, 0x8000)

program crashed: KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
validation run: crashed=true
reproducing took 1h40m21.550647373s
repro crashed as (corrupted=false):
netdevsim netdevsim1 eth3: set [1, 0] type 2 family 0 port 6081 - 0
==================================================================
BUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:577 [inline]
BUG: KASAN: slab-use-after-free in __mutex_lock+0x147/0x1350 kernel/locking/mutex.c:760
Read of size 8 at addr ffff88803f82f6b0 by task kworker/u4:3/43

CPU: 0 UID: 0 PID: 43 Comm: kworker/u4:3 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xca/0x240 mm/kasan/report.c:482
 kasan_report+0x118/0x150 mm/kasan/report.c:595
 __mutex_lock_common kernel/locking/mutex.c:577 [inline]
 __mutex_lock+0x147/0x1350 kernel/locking/mutex.c:760
 udp_tunnel_nic_device_sync_work+0x39/0xa50 net/ipv4/udp_tunnel_nic.c:737
 process_one_work kernel/workqueue.c:3263 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3346
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Allocated by task 5801:
 kasan_save_stack mm/kasan/common.c:56 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
 poison_kmalloc_redzone mm/kasan/common.c:400 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:417
 kasan_kmalloc include/linux/kasan.h:262 [inline]
 __do_kmalloc_node mm/slub.c:5642 [inline]
 __kmalloc_noprof+0x411/0x7f0 mm/slub.c:5654
 kmalloc_noprof include/linux/slab.h:961 [inline]
 kzalloc_noprof include/linux/slab.h:1094 [inline]
 udp_tunnel_nic_alloc net/ipv4/udp_tunnel_nic.c:756 [inline]
 udp_tunnel_nic_register net/ipv4/udp_tunnel_nic.c:833 [inline]
 udp_tunnel_nic_netdevice_event+0x4c3/0x1810 net/ipv4/udp_tunnel_nic.c:931
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
 call_netdevice_notifiers net/core/dev.c:2281 [inline]
 register_netdevice+0x1608/0x1ae0 net/core/dev.c:11332
 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1059 [inline]
 nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1141
 __nsim_dev_port_add+0x6b6/0xb10 drivers/net/netdevsim/dev.c:1438
 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1494
 nsim_dev_reload_create drivers/net/netdevsim/dev.c:1546 [inline]
 nsim_dev_reload_up+0x451/0x780 drivers/net/netdevsim/dev.c:1003
 devlink_reload+0x4ec/0x8d0 net/devlink/dev.c:474
 devlink_nl_reload_doit+0xb35/0xd50 net/devlink/dev.c:584
 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2552
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:742
 ____sys_sendmsg+0x505/0x830 net/socket.c:2630
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2684
 __sys_sendmsg net/socket.c:2716 [inline]
 __do_sys_sendmsg net/socket.c:2721 [inline]
 __se_sys_sendmsg net/socket.c:2719 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2719
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 5802:
 kasan_save_stack mm/kasan/common.c:56 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
 __kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:587
 kasan_save_free_info mm/kasan/kasan.h:406 [inline]
 poison_slab_object mm/kasan/common.c:252 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:284
 kasan_slab_free include/linux/kasan.h:234 [inline]
 slab_free_hook mm/slub.c:2539 [inline]
 slab_free mm/slub.c:6630 [inline]
 kfree+0x19a/0x6d0 mm/slub.c:6837
 udp_tunnel_nic_free net/ipv4/udp_tunnel_nic.c:785 [inline]
 udp_tunnel_nic_unregister net/ipv4/udp_tunnel_nic.c:910 [inline]
 udp_tunnel_nic_netdevice_event+0x11ab/0x1810 net/ipv4/udp_tunnel_nic.c:942
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
 call_netdevice_notifiers net/core/dev.c:2281 [inline]
 unregister_netdevice_many_notify+0x1860/0x2390 net/core/dev.c:12284
 unregister_netdevice_many net/core/dev.c:12347 [inline]
 unregister_netdevice_queue+0x33c/0x380 net/core/dev.c:12161
 unregister_netdevice include/linux/netdevice.h:3389 [inline]
 nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1178
 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1473
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1485 [inline]
 nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1707
 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:983
 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461
 devlink_nl_reload_doit+0xb35/0xd50 net/devlink/dev.c:584
 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2552
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:742
 ____sys_sendmsg+0x505/0x830 net/socket.c:2630
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2684
 __sys_sendmsg net/socket.c:2716 [inline]
 __do_sys_sendmsg net/socket.c:2721 [inline]
 __se_sys_sendmsg net/socket.c:2719 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2719
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Last potentially related work creation:
 kasan_save_stack+0x3e/0x60 mm/kasan/common.c:56
 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:559
 insert_work+0x3d/0x330 kernel/workqueue.c:2186
 __queue_work+0xbaf/0xfb0 kernel/workqueue.c:2345
 queue_work_on+0x181/0x270 kernel/workqueue.c:2392
 queue_work include/linux/workqueue.h:669 [inline]
 udp_tunnel_nic_device_sync net/ipv4/udp_tunnel_nic.c:307 [inline]
 __udp_tunnel_nic_add_port+0xb71/0xd60 net/ipv4/udp_tunnel_nic.c:523
 udp_tunnel_nic_add_port include/net/udp_tunnel.h:371 [inline]
 udp_tunnel_push_rx_port+0x180/0x200 net/ipv4/udp_tunnel_core.c:112
 geneve_offload_rx_ports+0xd7/0x160 drivers/net/geneve.c:1190
 geneve_netdevice_event+0x6a/0x80 drivers/net/geneve.c:-1
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
 call_netdevice_notifiers+0x88/0xc0 net/core/dev.c:2281
 udp_tunnel_get_rx_info include/net/udp_tunnel.h:438 [inline]
 udp_tunnel_nic_register net/ipv4/udp_tunnel_nic.c:855 [inline]
 udp_tunnel_nic_netdevice_event+0xdff/0x1810 net/ipv4/udp_tunnel_nic.c:931
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
 call_netdevice_notifiers net/core/dev.c:2281 [inline]
 register_netdevice+0x1608/0x1ae0 net/core/dev.c:11332
 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1059 [inline]
 nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1141
 __nsim_dev_port_add+0x6b6/0xb10 drivers/net/netdevsim/dev.c:1438
 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1494
 nsim_dev_reload_create drivers/net/netdevsim/dev.c:1546 [inline]
 nsim_dev_reload_up+0x451/0x780 drivers/net/netdevsim/dev.c:1003
 devlink_reload+0x4ec/0x8d0 net/devlink/dev.c:474
 devlink_nl_reload_doit+0xb35/0xd50 net/devlink/dev.c:584
 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2552
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:742
 ____sys_sendmsg+0x505/0x830 net/socket.c:2630
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2684
 __sys_sendmsg net/socket.c:2716 [inline]
 __do_sys_sendmsg net/socket.c:2721 [inline]
 __se_sys_sendmsg net/socket.c:2719 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2719
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Second to last potentially related work creation:
 kasan_save_stack+0x3e/0x60 mm/kasan/common.c:56
 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:559
 insert_work+0x3d/0x330 kernel/workqueue.c:2186
 __queue_work+0xcd2/0xfb0 kernel/workqueue.c:2341
 queue_work_on+0x181/0x270 kernel/workqueue.c:2392
 queue_work include/linux/workqueue.h:669 [inline]
 udp_tunnel_nic_device_sync net/ipv4/udp_tunnel_nic.c:307 [inline]
 __udp_tunnel_nic_add_port+0xb71/0xd60 net/ipv4/udp_tunnel_nic.c:523
 udp_tunnel_nic_add_port include/net/udp_tunnel.h:371 [inline]
 udp_tunnel_push_rx_port+0x180/0x200 net/ipv4/udp_tunnel_core.c:112
 geneve_offload_rx_ports+0xd7/0x160 drivers/net/geneve.c:1190
 geneve_netdevice_event+0x6a/0x80 drivers/net/geneve.c:-1
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
 call_netdevice_notifiers+0x88/0xc0 net/core/dev.c:2281
 udp_tunnel_get_rx_info include/net/udp_tunnel.h:438 [inline]
 udp_tunnel_nic_register net/ipv4/udp_tunnel_nic.c:855 [inline]
 udp_tunnel_nic_netdevice_event+0xdff/0x1810 net/ipv4/udp_tunnel_nic.c:931
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
 call_netdevice_notifiers net/core/dev.c:2281 [inline]
 register_netdevice+0x1608/0x1ae0 net/core/dev.c:11332
 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1059 [inline]
 nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1141
 __nsim_dev_port_add+0x6b6/0xb10 drivers/net/netdevsim/dev.c:1438
 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1494
 nsim_dev_reload_create drivers/net/netdevsim/dev.c:1546 [inline]
 nsim_dev_reload_up+0x451/0x780 drivers/net/netdevsim/dev.c:1003
 devlink_reload+0x4ec/0x8d0 net/devlink/dev.c:474
 devlink_nl_reload_doit+0xb35/0xd50 net/devlink/dev.c:584
 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2552
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:742
 ____sys_sendmsg+0x505/0x830 net/socket.c:2630
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2684
 __sys_sendmsg net/socket.c:2716 [inline]
 __do_sys_sendmsg net/socket.c:2721 [inline]
 __se_sys_sendmsg net/socket.c:2719 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2719
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88803f82f600
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 176 bytes inside of
 freed 256-byte region [ffff88803f82f600, ffff88803f82f700)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3f82f
anon flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 04fff00000000000 ffff88801a041b40 0000000000000000 dead000000000001
raw: 0000000000000000 0000000080080008 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5455, tgid 5455 (syz-executor), ts 115459472798, free_ts 115450022007
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1850
 prep_new_page mm/page_alloc.c:1858 [inline]
 get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3884
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5183
 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416
 alloc_slab_page mm/slub.c:3055 [inline]
 allocate_slab+0x96/0x350 mm/slub.c:3228
 new_slab mm/slub.c:3282 [inline]
 ___slab_alloc+0xe94/0x18a0 mm/slub.c:4651
 __slab_alloc+0x65/0x100 mm/slub.c:4770
 __slab_alloc_node mm/slub.c:4846 [inline]
 slab_alloc_node mm/slub.c:5268 [inline]
 __do_kmalloc_node mm/slub.c:5641 [inline]
 __kmalloc_noprof+0x471/0x7f0 mm/slub.c:5654
 kmalloc_noprof include/linux/slab.h:961 [inline]
 kzalloc_noprof include/linux/slab.h:1094 [inline]
 fib_create_info+0x172d/0x3210 net/ipv4/fib_semantics.c:1402
 fib_table_insert+0xc6/0x1b50 net/ipv4/fib_trie.c:1212
 fib_magic+0x2c4/0x390 net/ipv4/fib_frontend.c:1134
 fib_add_ifaddr+0x144/0x5f0 net/ipv4/fib_frontend.c:1156
 fib_inetaddr_event+0x12e/0x190 net/ipv4/fib_frontend.c:1470
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 blocking_notifier_call_chain+0x6a/0x90 kernel/notifier.c:380
 __inet_insert_ifa+0xa13/0xbf0 net/ipv4/devinet.c:566
page last free pid 5661 tgid 5661 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1394 [inline]
 __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2906
 tlb_batch_list_free mm/mmu_gather.c:159 [inline]
 tlb_finish_mmu+0x112/0x1d0 mm/mmu_gather.c:500
 exit_mmap+0x444/0xb40 mm/mmap.c:1293
 __mmput+0x118/0x430 kernel/fork.c:1133
 exit_mm+0x1da/0x2c0 kernel/exit.c:582
 do_exit+0x648/0x2300 kernel/exit.c:954
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1107
 __do_sys_exit_group kernel/exit.c:1118 [inline]
 __se_sys_exit_group kernel/exit.c:1116 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1116
 x64_sys_call+0x21f7/0x2200 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff88803f82f580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88803f82f600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88803f82f680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                     ^
 ffff88803f82f700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88803f82f780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
netdevsim netdevsim1 eth3: set [1, 0] type 2 family 0 port 6081 - 0
==================================================================
BUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:577 [inline]
BUG: KASAN: slab-use-after-free in __mutex_lock+0x147/0x1350 kernel/locking/mutex.c:760
Read of size 8 at addr ffff88803f82f6b0 by task kworker/u4:3/43

CPU: 0 UID: 0 PID: 43 Comm: kworker/u4:3 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xca/0x240 mm/kasan/report.c:482
 kasan_report+0x118/0x150 mm/kasan/report.c:595
 __mutex_lock_common kernel/locking/mutex.c:577 [inline]
 __mutex_lock+0x147/0x1350 kernel/locking/mutex.c:760
 udp_tunnel_nic_device_sync_work+0x39/0xa50 net/ipv4/udp_tunnel_nic.c:737
 process_one_work kernel/workqueue.c:3263 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3346
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Allocated by task 5801:
 kasan_save_stack mm/kasan/common.c:56 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
 poison_kmalloc_redzone mm/kasan/common.c:400 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:417
 kasan_kmalloc include/linux/kasan.h:262 [inline]
 __do_kmalloc_node mm/slub.c:5642 [inline]
 __kmalloc_noprof+0x411/0x7f0 mm/slub.c:5654
 kmalloc_noprof include/linux/slab.h:961 [inline]
 kzalloc_noprof include/linux/slab.h:1094 [inline]
 udp_tunnel_nic_alloc net/ipv4/udp_tunnel_nic.c:756 [inline]
 udp_tunnel_nic_register net/ipv4/udp_tunnel_nic.c:833 [inline]
 udp_tunnel_nic_netdevice_event+0x4c3/0x1810 net/ipv4/udp_tunnel_nic.c:931
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
 call_netdevice_notifiers net/core/dev.c:2281 [inline]
 register_netdevice+0x1608/0x1ae0 net/core/dev.c:11332
 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1059 [inline]
 nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1141
 __nsim_dev_port_add+0x6b6/0xb10 drivers/net/netdevsim/dev.c:1438
 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1494
 nsim_dev_reload_create drivers/net/netdevsim/dev.c:1546 [inline]
 nsim_dev_reload_up+0x451/0x780 drivers/net/netdevsim/dev.c:1003
 devlink_reload+0x4ec/0x8d0 net/devlink/dev.c:474
 devlink_nl_reload_doit+0xb35/0xd50 net/devlink/dev.c:584
 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2552
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:742
 ____sys_sendmsg+0x505/0x830 net/socket.c:2630
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2684
 __sys_sendmsg net/socket.c:2716 [inline]
 __do_sys_sendmsg net/socket.c:2721 [inline]
 __se_sys_sendmsg net/socket.c:2719 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2719
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 5802:
 kasan_save_stack mm/kasan/common.c:56 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
 __kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:587
 kasan_save_free_info mm/kasan/kasan.h:406 [inline]
 poison_slab_object mm/kasan/common.c:252 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:284
 kasan_slab_free include/linux/kasan.h:234 [inline]
 slab_free_hook mm/slub.c:2539 [inline]
 slab_free mm/slub.c:6630 [inline]
 kfree+0x19a/0x6d0 mm/slub.c:6837
 udp_tunnel_nic_free net/ipv4/udp_tunnel_nic.c:785 [inline]
 udp_tunnel_nic_unregister net/ipv4/udp_tunnel_nic.c:910 [inline]
 udp_tunnel_nic_netdevice_event+0x11ab/0x1810 net/ipv4/udp_tunnel_nic.c:942
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
 call_netdevice_notifiers net/core/dev.c:2281 [inline]
 unregister_netdevice_many_notify+0x1860/0x2390 net/core/dev.c:12284
 unregister_netdevice_many net/core/dev.c:12347 [inline]
 unregister_netdevice_queue+0x33c/0x380 net/core/dev.c:12161
 unregister_netdevice include/linux/netdevice.h:3389 [inline]
 nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1178
 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1473
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1485 [inline]
 nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1707
 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:983
 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461
 devlink_nl_reload_doit+0xb35/0xd50 net/devlink/dev.c:584
 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2552
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:742
 ____sys_sendmsg+0x505/0x830 net/socket.c:2630
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2684
 __sys_sendmsg net/socket.c:2716 [inline]
 __do_sys_sendmsg net/socket.c:2721 [inline]
 __se_sys_sendmsg net/socket.c:2719 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2719
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Last potentially related work creation:
 kasan_save_stack+0x3e/0x60 mm/kasan/common.c:56
 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:559
 insert_work+0x3d/0x330 kernel/workqueue.c:2186
 __queue_work+0xbaf/0xfb0 kernel/workqueue.c:2345
 queue_work_on+0x181/0x270 kernel/workqueue.c:2392
 queue_work include/linux/workqueue.h:669 [inline]
 udp_tunnel_nic_device_sync net/ipv4/udp_tunnel_nic.c:307 [inline]
 __udp_tunnel_nic_add_port+0xb71/0xd60 net/ipv4/udp_tunnel_nic.c:523
 udp_tunnel_nic_add_port include/net/udp_tunnel.h:371 [inline]
 udp_tunnel_push_rx_port+0x180/0x200 net/ipv4/udp_tunnel_core.c:112
 geneve_offload_rx_ports+0xd7/0x160 drivers/net/geneve.c:1190
 geneve_netdevice_event+0x6a/0x80 drivers/net/geneve.c:-1
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
 call_netdevice_notifiers+0x88/0xc0 net/core/dev.c:2281
 udp_tunnel_get_rx_info include/net/udp_tunnel.h:438 [inline]
 udp_tunnel_nic_register net/ipv4/udp_tunnel_nic.c:855 [inline]
 udp_tunnel_nic_netdevice_event+0xdff/0x1810 net/ipv4/udp_tunnel_nic.c:931
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
 call_netdevice_notifiers net/core/dev.c:2281 [inline]
 register_netdevice+0x1608/0x1ae0 net/core/dev.c:11332
 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1059 [inline]
 nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1141
 __nsim_dev_port_add+0x6b6/0xb10 drivers/net/netdevsim/dev.c:1438
 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1494
 nsim_dev_reload_create drivers/net/netdevsim/dev.c:1546 [inline]
 nsim_dev_reload_up+0x451/0x780 drivers/net/netdevsim/dev.c:1003
 devlink_reload+0x4ec/0x8d0 net/devlink/dev.c:474
 devlink_nl_reload_doit+0xb35/0xd50 net/devlink/dev.c:584
 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2552
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:742
 ____sys_sendmsg+0x505/0x830 net/socket.c:2630
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2684
 __sys_sendmsg net/socket.c:2716 [inline]
 __do_sys_sendmsg net/socket.c:2721 [inline]
 __se_sys_sendmsg net/socket.c:2719 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2719
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Second to last potentially related work creation:
 kasan_save_stack+0x3e/0x60 mm/kasan/common.c:56
 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:559
 insert_work+0x3d/0x330 kernel/workqueue.c:2186
 __queue_work+0xcd2/0xfb0 kernel/workqueue.c:2341
 queue_work_on+0x181/0x270 kernel/workqueue.c:2392
 queue_work include/linux/workqueue.h:669 [inline]
 udp_tunnel_nic_device_sync net/ipv4/udp_tunnel_nic.c:307 [inline]
 __udp_tunnel_nic_add_port+0xb71/0xd60 net/ipv4/udp_tunnel_nic.c:523
 udp_tunnel_nic_add_port include/net/udp_tunnel.h:371 [inline]
 udp_tunnel_push_rx_port+0x180/0x200 net/ipv4/udp_tunnel_core.c:112
 geneve_offload_rx_ports+0xd7/0x160 drivers/net/geneve.c:1190
 geneve_netdevice_event+0x6a/0x80 drivers/net/geneve.c:-1
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
 call_netdevice_notifiers+0x88/0xc0 net/core/dev.c:2281
 udp_tunnel_get_rx_info include/net/udp_tunnel.h:438 [inline]
 udp_tunnel_nic_register net/ipv4/udp_tunnel_nic.c:855 [inline]
 udp_tunnel_nic_netdevice_event+0xdff/0x1810 net/ipv4/udp_tunnel_nic.c:931
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
 call_netdevice_notifiers net/core/dev.c:2281 [inline]
 register_netdevice+0x1608/0x1ae0 net/core/dev.c:11332
 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1059 [inline]
 nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1141
 __nsim_dev_port_add+0x6b6/0xb10 drivers/net/netdevsim/dev.c:1438
 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1494
 nsim_dev_reload_create drivers/net/netdevsim/dev.c:1546 [inline]
 nsim_dev_reload_up+0x451/0x780 drivers/net/netdevsim/dev.c:1003
 devlink_reload+0x4ec/0x8d0 net/devlink/dev.c:474
 devlink_nl_reload_doit+0xb35/0xd50 net/devlink/dev.c:584
 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2552
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:742
 ____sys_sendmsg+0x505/0x830 net/socket.c:2630
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2684
 __sys_sendmsg net/socket.c:2716 [inline]
 __do_sys_sendmsg net/socket.c:2721 [inline]
 __se_sys_sendmsg net/socket.c:2719 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2719
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88803f82f600
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 176 bytes inside of
 freed 256-byte region [ffff88803f82f600, ffff88803f82f700)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3f82f
anon flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 04fff00000000000 ffff88801a041b40 0000000000000000 dead000000000001
raw: 0000000000000000 0000000080080008 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5455, tgid 5455 (syz-executor), ts 115459472798, free_ts 115450022007
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1850
 prep_new_page mm/page_alloc.c:1858 [inline]
 get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3884
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5183
 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416
 alloc_slab_page mm/slub.c:3055 [inline]
 allocate_slab+0x96/0x350 mm/slub.c:3228
 new_slab mm/slub.c:3282 [inline]
 ___slab_alloc+0xe94/0x18a0 mm/slub.c:4651
 __slab_alloc+0x65/0x100 mm/slub.c:4770
 __slab_alloc_node mm/slub.c:4846 [inline]
 slab_alloc_node mm/slub.c:5268 [inline]
 __do_kmalloc_node mm/slub.c:5641 [inline]
 __kmalloc_noprof+0x471/0x7f0 mm/slub.c:5654
 kmalloc_noprof include/linux/slab.h:961 [inline]
 kzalloc_noprof include/linux/slab.h:1094 [inline]
 fib_create_info+0x172d/0x3210 net/ipv4/fib_semantics.c:1402
 fib_table_insert+0xc6/0x1b50 net/ipv4/fib_trie.c:1212
 fib_magic+0x2c4/0x390 net/ipv4/fib_frontend.c:1134
 fib_add_ifaddr+0x144/0x5f0 net/ipv4/fib_frontend.c:1156
 fib_inetaddr_event+0x12e/0x190 net/ipv4/fib_frontend.c:1470
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 blocking_notifier_call_chain+0x6a/0x90 kernel/notifier.c:380
 __inet_insert_ifa+0xa13/0xbf0 net/ipv4/devinet.c:566
page last free pid 5661 tgid 5661 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1394 [inline]
 __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2906
 tlb_batch_list_free mm/mmu_gather.c:159 [inline]
 tlb_finish_mmu+0x112/0x1d0 mm/mmu_gather.c:500
 exit_mmap+0x444/0xb40 mm/mmap.c:1293
 __mmput+0x118/0x430 kernel/fork.c:1133
 exit_mm+0x1da/0x2c0 kernel/exit.c:582
 do_exit+0x648/0x2300 kernel/exit.c:954
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1107
 __do_sys_exit_group kernel/exit.c:1118 [inline]
 __se_sys_exit_group kernel/exit.c:1116 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1116
 x64_sys_call+0x21f7/0x2200 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff88803f82f580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88803f82f600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88803f82f680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                     ^
 ffff88803f82f700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88803f82f780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================