Extracting prog: 6m9.010375648s
Minimizing prog: 23m41.522976537s
Simplifying prog options: 6m4.441127477s
Extracting C: 2m3.221322889s
Simplifying C: 0s


extracting reproducer from 49 programs
testing a last program of every proc
single: executing 9 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-openat-openat$dsp-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-openat$sequencer-syz_open_dev$sndmidi-writev-openat$sw_sync-ioctl$SW_SYNC_IOC_CREATE_FENCE-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-sendmsg$SMC_PNETID_ADD-userfaultfd-prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-getpid-sendmsg$nl_generic-clock_getres-pselect6-modify_ldt$read
detailed listing:
executing program 0:
socket$netlink(0x10, 0x3, 0x0)
openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
openat$dsp(0xffffffffffffff9c, 0x0, 0x400000, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
r1 = openat$sw_sync(0xffffffffffffff9c, &(0x7f0000000ac0), 0x0, 0x0)
ioctl$SW_SYNC_IOC_CREATE_FENCE(r1, 0xc0285700, 0x0)
r2 = epoll_create1(0x0)
epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, 0xffffffffffffffff, &(0x7f0000000040)={0x40002019})
sendmsg$SMC_PNETID_ADD(0xffffffffffffffff, 0x0, 0x0)
userfaultfd(0x80001)
prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000006680))
r3 = getpid()
sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000500)={&(0x7f00000003c0)={0xf4, 0x26, 0x4, 0x70bd2c, 0x25dfdbfc, {0x1f}, [@typed={0x6, 0x140, 0x0, 0x0, @str='%\x00'}, @generic, @typed={0x8, 0x67, 0x0, 0x0, @pid=r3}, @generic="306eaf607ba859d29e847b6c5952ce3babce0f053d1eac18efbb5042b029bf42324f2f6fdf3b5a3268e39415ab1bdbb3ed84a812c4fc10b88a52780f528650efb58467506063795831da3f26d138f4a2612c8d14e0c50d54a035d94255483e4148fb2ef80da6f1ad25ccd9d0ad72f05604e5de036496b2db1b207cb7946a20f3260467e0fef8fe90f5edd026234e9d33762967306a443a097c51245dc21c5c5b5d34f6359d66306af64718fd77343a7930b8accd2dca6b0bdff001e32a64d7a1399122d6bff4cb07f6bac14cc9"]}, 0xf4}, 0x1, 0x0, 0x0, 0x40011}, 0x1)
clock_getres(0x0, 0x0)
pselect6(0x40, &(0x7f0000000240)={0x0, 0x0, 0x7fff, 0x800000000000007d, 0x0, 0x8000, 0x4, 0x1}, 0x0, &(0x7f00000002c0)={0x3ff, 0x6, 0xffffffffffffffff, 0x9, 0x0, 0xf, 0x80000006}, 0x0, 0x0)
modify_ldt$read(0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x3, 0x36, &(0x7f0000000140)=ANY=[@ANYBLOB="1201000000000040bd28420000000000000109022400010000000009040100020300000009210000000122070009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000002c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='\x00\"\a'], 0x0}, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000001100)=@newlink={0x3c, 0x10, 0x403, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, 0x88adfda5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6}]}}}]}, 0x3c}}, 0x404c840)
sendmsg$netlink(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="2800000010000100000000000000000085ff090045000000000000000000000008001c00c9"], 0x28}], 0x1, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program crashed: memory leak in udp_tunnel_nic_netdevice_event
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route
detailed listing:
executing program 0:
socket$netlink(0x10, 0x3, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000001100)=@newlink={0x3c, 0x10, 0x403, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, 0x88adfda5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6}]}}}]}, 0x3c}}, 0x404c840)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
sendmsg$netlink(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="2800000010000100000000000000000085ff090045000000000000000000000008001c00c9"], 0x28}], 0x1, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-sendmsg$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000001100)=@newlink={0x3c, 0x10, 0x403, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, 0x88adfda5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6}]}}}]}, 0x3c}}, 0x404c840)
sendmsg$netlink(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="2800000010000100000000000000000085ff090045000000000000000000000008001c00c9"], 0x28}], 0x1, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000001100)=@newlink={0x3c, 0x10, 0x403, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, 0x88adfda5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6}]}}}]}, 0x3c}}, 0x404c840)
sendmsg$netlink(0xffffffffffffffff, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="2800000010000100000000000000000085ff090045000000000000000000000008001c00c9"], 0x28}], 0x1, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, 0x0, 0x404c840)
sendmsg$netlink(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="2800000010000100000000000000000085ff090045000000000000000000000008001c00c9"], 0x28}], 0x1, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000280)={0x0, 0x0, 0x0}, 0x404c840)
sendmsg$netlink(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="2800000010000100000000000000000085ff090045000000000000000000000008001c00c9"], 0x28}], 0x1, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x404c840)
sendmsg$netlink(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="2800000010000100000000000000000085ff090045000000000000000000000008001c00c9"], 0x28}], 0x1, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000001100)=@newlink={0x3c, 0x10, 0x403, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, 0x88adfda5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6}]}}}]}, 0x3c}}, 0x404c840)
sendmsg$netlink(r0, 0x0, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000001100)=@newlink={0x3c, 0x10, 0x403, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, 0x88adfda5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6}]}}}]}, 0x3c}}, 0x404c840)
sendmsg$netlink(r0, &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000001100)=@newlink={0x3c, 0x10, 0x403, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, 0x88adfda5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6}]}}}]}, 0x3c}}, 0x404c840)
sendmsg$netlink(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)=[{0x0, 0x28}], 0x1, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000001100)=@newlink={0x3c, 0x10, 0x403, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, 0x88adfda5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6}]}}}]}, 0x3c}}, 0x404c840)
sendmsg$netlink(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)=ANY=[@ANYBLOB], 0x28}], 0x1, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
program did not crash
simplifying guilty program options
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000001100)=@newlink={0x3c, 0x10, 0x403, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, 0x88adfda5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6}]}}}]}, 0x3c}}, 0x404c840)
sendmsg$netlink(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="2800000010000100000000000000000085ff090045000000000000000000000008001c00c9"], 0x28}], 0x1, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program crashed: memory leak in udp_tunnel_nic_netdevice_event
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
program did not crash
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000001100)=@newlink={0x3c, 0x10, 0x403, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, 0x88adfda5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6}]}}}]}, 0x3c}}, 0x404c840)
sendmsg$netlink(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="2800000010000100000000000000000085ff090045000000000000000000000008001c00c9"], 0x28}], 0x1, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000001100)=@newlink={0x3c, 0x10, 0x403, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, 0x88adfda5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6}]}}}]}, 0x3c}}, 0x404c840)
sendmsg$netlink(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="2800000010000100000000000000000085ff090045000000000000000000000008001c00c9"], 0x28}], 0x1, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000001100)=@newlink={0x3c, 0x10, 0x403, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, 0x88adfda5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6}]}}}]}, 0x3c}}, 0x404c840)
sendmsg$netlink(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="2800000010000100000000000000000085ff090045000000000000000000000008001c00c9"], 0x28}], 0x1, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program crashed: memory leak in udp_tunnel_nic_netdevice_event
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000001100)=@newlink={0x3c, 0x10, 0x403, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, 0x88adfda5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6}]}}}]}, 0x3c}}, 0x404c840)
sendmsg$netlink(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="2800000010000100000000000000000085ff090045000000000000000000000008001c00c9"], 0x28}], 0x1, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program crashed: memory leak in udp_tunnel_nic_netdevice_event
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:7 Slowdown:1 Sandbox:none SandboxArg:0 Leak:true 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$netlink-socket$nl_route-sendmsg$nl_route-sendmsg$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000001100)=@newlink={0x3c, 0x10, 0x403, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, 0x88adfda5}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @geneve={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GENEVE_PORT={0x6}]}}}]}, 0x3c}}, 0x404c840)
sendmsg$netlink(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="2800000010000100000000000000000085ff090045000000000000000000000008001c00c9"], 0x28}], 0x1, 0x0, 0x0, 0xb305e06d8ab48277}, 0x0)

program crashed: memory leak in udp_tunnel_nic_netdevice_event
validation run: crashed=true
reproducing took 44m35.138528602s
repro crashed as (corrupted=false):
BUG: memory leak
unreferenced object 0xffff88812fb8a9c0 (size 96):
  comm "syz-executor", pid 5761, jiffies 4294943535
  hex dump (first 32 bytes):
    00 00 00 01 00 00 00 00 c8 a9 b8 2f 81 88 ff ff  .........../....
    c8 a9 b8 2f 81 88 ff ff 80 ca cb 84 ff ff ff ff  .../............
  backtrace (crc 15137008):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4575 [inline]
    slab_alloc_node mm/slub.c:4899 [inline]
    __do_kmalloc_node mm/slub.c:5295 [inline]
    __kmalloc_noprof+0x3b7/0x550 mm/slub.c:5308
    kmalloc_noprof include/linux/slab.h:954 [inline]
    kzalloc_noprof include/linux/slab.h:1188 [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+0x804/0xab0 net/ipv4/udp_tunnel_nic.c:931
    notifier_call_chain+0x59/0x160 kernel/notifier.c:85
    call_netdevice_notifiers_info+0x7d/0xb0 net/core/dev.c:2249
    call_netdevice_notifiers_extack net/core/dev.c:2287 [inline]
    call_netdevice_notifiers net/core/dev.c:2301 [inline]
    register_netdevice+0xbca/0xe30 net/core/dev.c:11461
    nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1069 [inline]
    nsim_create+0x414/0x5b0 drivers/net/netdevsim/netdev.c:1151
    __nsim_dev_port_add+0x266/0x450 drivers/net/netdevsim/dev.c:1509
    nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1570 [inline]
    nsim_drv_probe+0x806/0x9a0 drivers/net/netdevsim/dev.c:1731
    call_driver_probe drivers/base/dd.c:631 [inline]
    really_probe+0x12f/0x3a0 drivers/base/dd.c:709
    __driver_probe_device+0xe8/0x1a0 drivers/base/dd.c:871
    driver_probe_device+0x2a/0x120 drivers/base/dd.c:901
    __device_attach_driver+0x10f/0x170 drivers/base/dd.c:1029
    bus_for_each_drv+0xd2/0x130 drivers/base/bus.c:500
    __device_attach+0xf9/0x290 drivers/base/dd.c:1101
    device_initial_probe+0x6f/0x80 drivers/base/dd.c:1156
    bus_probe_device+0x3e/0xb0 drivers/base/bus.c:613

BUG: memory leak
unreferenced object 0xffff88812ef15020 (size 32):
  comm "syz-executor", pid 5761, jiffies 4294943535
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 0):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4575 [inline]
    slab_alloc_node mm/slub.c:4899 [inline]
    __do_kmalloc_node mm/slub.c:5295 [inline]
    __kmalloc_noprof+0x3b7/0x550 mm/slub.c:5308
    kmalloc_noprof include/linux/slab.h:954 [inline]
    kzalloc_noprof include/linux/slab.h:1188 [inline]
    udp_tunnel_nic_alloc net/ipv4/udp_tunnel_nic.c:764 [inline]
    udp_tunnel_nic_register net/ipv4/udp_tunnel_nic.c:833 [inline]
    udp_tunnel_nic_netdevice_event+0x86e/0xab0 net/ipv4/udp_tunnel_nic.c:931
    notifier_call_chain+0x59/0x160 kernel/notifier.c:85
    call_netdevice_notifiers_info+0x7d/0xb0 net/core/dev.c:2249
    call_netdevice_notifiers_extack net/core/dev.c:2287 [inline]
    call_netdevice_notifiers net/core/dev.c:2301 [inline]
    register_netdevice+0xbca/0xe30 net/core/dev.c:11461
    nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1069 [inline]
    nsim_create+0x414/0x5b0 drivers/net/netdevsim/netdev.c:1151
    __nsim_dev_port_add+0x266/0x450 drivers/net/netdevsim/dev.c:1509
    nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1570 [inline]
    nsim_drv_probe+0x806/0x9a0 drivers/net/netdevsim/dev.c:1731
    call_driver_probe drivers/base/dd.c:631 [inline]
    really_probe+0x12f/0x3a0 drivers/base/dd.c:709
    __driver_probe_device+0xe8/0x1a0 drivers/base/dd.c:871
    driver_probe_device+0x2a/0x120 drivers/base/dd.c:901
    __device_attach_driver+0x10f/0x170 drivers/base/dd.c:1029
    bus_for_each_drv+0xd2/0x130 drivers/base/bus.c:500
    __device_attach+0xf9/0x290 drivers/base/dd.c:1101
    device_initial_probe+0x6f/0x80 drivers/base/dd.c:1156
    bus_probe_device+0x3e/0xb0 drivers/base/bus.c:613

BUG: memory leak
unreferenced object 0xffff88812ef15000 (size 32):
  comm "syz-executor", pid 5761, jiffies 4294943535
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 0):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4575 [inline]
    slab_alloc_node mm/slub.c:4899 [inline]
    __do_kmalloc_node mm/slub.c:5295 [inline]
    __kmalloc_noprof+0x3b7/0x550 mm/slub.c:5308
    kmalloc_noprof include/linux/slab.h:954 [inline]
    kzalloc_noprof include/linux/slab.h:1188 [inline]
    udp_tunnel_nic_alloc net/ipv4/udp_tunnel_nic.c:764 [inline]
    udp_tunnel_nic_register net/ipv4/udp_tunnel_nic.c:833 [inline]
    udp_tunnel_nic_netdevice_event+0x86e/0xab0 net/ipv4/udp_tunnel_nic.c:931
    notifier_call_chain+0x59/0x160 kernel/notifier.c:85
    call_netdevice_notifiers_info+0x7d/0xb0 net/core/dev.c:2249
    call_netdevice_notifiers_extack net/core/dev.c:2287 [inline]
    call_netdevice_notifiers net/core/dev.c:2301 [inline]
    register_netdevice+0xbca/0xe30 net/core/dev.c:11461
    nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1069 [inline]
    nsim_create+0x414/0x5b0 drivers/net/netdevsim/netdev.c:1151
    __nsim_dev_port_add+0x266/0x450 drivers/net/netdevsim/dev.c:1509
    nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1570 [inline]
    nsim_drv_probe+0x806/0x9a0 drivers/net/netdevsim/dev.c:1731
    call_driver_probe drivers/base/dd.c:631 [inline]
    really_probe+0x12f/0x3a0 drivers/base/dd.c:709
    __driver_probe_device+0xe8/0x1a0 drivers/base/dd.c:871
    driver_probe_device+0x2a/0x120 drivers/base/dd.c:901
    __device_attach_driver+0x10f/0x170 drivers/base/dd.c:1029
    bus_for_each_drv+0xd2/0x130 drivers/base/bus.c:500
    __device_attach+0xf9/0x290 drivers/base/dd.c:1101
    device_initial_probe+0x6f/0x80 drivers/base/dd.c:1156
    bus_probe_device+0x3e/0xb0 drivers/base/bus.c:613

connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF

final repro crashed as (corrupted=false):
BUG: memory leak
unreferenced object 0xffff88812fb8a9c0 (size 96):
  comm "syz-executor", pid 5761, jiffies 4294943535
  hex dump (first 32 bytes):
    00 00 00 01 00 00 00 00 c8 a9 b8 2f 81 88 ff ff  .........../....
    c8 a9 b8 2f 81 88 ff ff 80 ca cb 84 ff ff ff ff  .../............
  backtrace (crc 15137008):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4575 [inline]
    slab_alloc_node mm/slub.c:4899 [inline]
    __do_kmalloc_node mm/slub.c:5295 [inline]
    __kmalloc_noprof+0x3b7/0x550 mm/slub.c:5308
    kmalloc_noprof include/linux/slab.h:954 [inline]
    kzalloc_noprof include/linux/slab.h:1188 [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+0x804/0xab0 net/ipv4/udp_tunnel_nic.c:931
    notifier_call_chain+0x59/0x160 kernel/notifier.c:85
    call_netdevice_notifiers_info+0x7d/0xb0 net/core/dev.c:2249
    call_netdevice_notifiers_extack net/core/dev.c:2287 [inline]
    call_netdevice_notifiers net/core/dev.c:2301 [inline]
    register_netdevice+0xbca/0xe30 net/core/dev.c:11461
    nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1069 [inline]
    nsim_create+0x414/0x5b0 drivers/net/netdevsim/netdev.c:1151
    __nsim_dev_port_add+0x266/0x450 drivers/net/netdevsim/dev.c:1509
    nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1570 [inline]
    nsim_drv_probe+0x806/0x9a0 drivers/net/netdevsim/dev.c:1731
    call_driver_probe drivers/base/dd.c:631 [inline]
    really_probe+0x12f/0x3a0 drivers/base/dd.c:709
    __driver_probe_device+0xe8/0x1a0 drivers/base/dd.c:871
    driver_probe_device+0x2a/0x120 drivers/base/dd.c:901
    __device_attach_driver+0x10f/0x170 drivers/base/dd.c:1029
    bus_for_each_drv+0xd2/0x130 drivers/base/bus.c:500
    __device_attach+0xf9/0x290 drivers/base/dd.c:1101
    device_initial_probe+0x6f/0x80 drivers/base/dd.c:1156
    bus_probe_device+0x3e/0xb0 drivers/base/bus.c:613

BUG: memory leak
unreferenced object 0xffff88812ef15020 (size 32):
  comm "syz-executor", pid 5761, jiffies 4294943535
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 0):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4575 [inline]
    slab_alloc_node mm/slub.c:4899 [inline]
    __do_kmalloc_node mm/slub.c:5295 [inline]
    __kmalloc_noprof+0x3b7/0x550 mm/slub.c:5308
    kmalloc_noprof include/linux/slab.h:954 [inline]
    kzalloc_noprof include/linux/slab.h:1188 [inline]
    udp_tunnel_nic_alloc net/ipv4/udp_tunnel_nic.c:764 [inline]
    udp_tunnel_nic_register net/ipv4/udp_tunnel_nic.c:833 [inline]
    udp_tunnel_nic_netdevice_event+0x86e/0xab0 net/ipv4/udp_tunnel_nic.c:931
    notifier_call_chain+0x59/0x160 kernel/notifier.c:85
    call_netdevice_notifiers_info+0x7d/0xb0 net/core/dev.c:2249
    call_netdevice_notifiers_extack net/core/dev.c:2287 [inline]
    call_netdevice_notifiers net/core/dev.c:2301 [inline]
    register_netdevice+0xbca/0xe30 net/core/dev.c:11461
    nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1069 [inline]
    nsim_create+0x414/0x5b0 drivers/net/netdevsim/netdev.c:1151
    __nsim_dev_port_add+0x266/0x450 drivers/net/netdevsim/dev.c:1509
    nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1570 [inline]
    nsim_drv_probe+0x806/0x9a0 drivers/net/netdevsim/dev.c:1731
    call_driver_probe drivers/base/dd.c:631 [inline]
    really_probe+0x12f/0x3a0 drivers/base/dd.c:709
    __driver_probe_device+0xe8/0x1a0 drivers/base/dd.c:871
    driver_probe_device+0x2a/0x120 drivers/base/dd.c:901
    __device_attach_driver+0x10f/0x170 drivers/base/dd.c:1029
    bus_for_each_drv+0xd2/0x130 drivers/base/bus.c:500
    __device_attach+0xf9/0x290 drivers/base/dd.c:1101
    device_initial_probe+0x6f/0x80 drivers/base/dd.c:1156
    bus_probe_device+0x3e/0xb0 drivers/base/bus.c:613

BUG: memory leak
unreferenced object 0xffff88812ef15000 (size 32):
  comm "syz-executor", pid 5761, jiffies 4294943535
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 0):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4575 [inline]
    slab_alloc_node mm/slub.c:4899 [inline]
    __do_kmalloc_node mm/slub.c:5295 [inline]
    __kmalloc_noprof+0x3b7/0x550 mm/slub.c:5308
    kmalloc_noprof include/linux/slab.h:954 [inline]
    kzalloc_noprof include/linux/slab.h:1188 [inline]
    udp_tunnel_nic_alloc net/ipv4/udp_tunnel_nic.c:764 [inline]
    udp_tunnel_nic_register net/ipv4/udp_tunnel_nic.c:833 [inline]
    udp_tunnel_nic_netdevice_event+0x86e/0xab0 net/ipv4/udp_tunnel_nic.c:931
    notifier_call_chain+0x59/0x160 kernel/notifier.c:85
    call_netdevice_notifiers_info+0x7d/0xb0 net/core/dev.c:2249
    call_netdevice_notifiers_extack net/core/dev.c:2287 [inline]
    call_netdevice_notifiers net/core/dev.c:2301 [inline]
    register_netdevice+0xbca/0xe30 net/core/dev.c:11461
    nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1069 [inline]
    nsim_create+0x414/0x5b0 drivers/net/netdevsim/netdev.c:1151
    __nsim_dev_port_add+0x266/0x450 drivers/net/netdevsim/dev.c:1509
    nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1570 [inline]
    nsim_drv_probe+0x806/0x9a0 drivers/net/netdevsim/dev.c:1731
    call_driver_probe drivers/base/dd.c:631 [inline]
    really_probe+0x12f/0x3a0 drivers/base/dd.c:709
    __driver_probe_device+0xe8/0x1a0 drivers/base/dd.c:871
    driver_probe_device+0x2a/0x120 drivers/base/dd.c:901
    __device_attach_driver+0x10f/0x170 drivers/base/dd.c:1029
    bus_for_each_drv+0xd2/0x130 drivers/base/bus.c:500
    __device_attach+0xf9/0x290 drivers/base/dd.c:1101
    device_initial_probe+0x6f/0x80 drivers/base/dd.c:1156
    bus_probe_device+0x3e/0xb0 drivers/base/bus.c:613

connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF