Extracting prog: 7m6.946258486s Minimizing prog: 54m57.191896359s Simplifying prog options: 17m16.972296832s Extracting C: 5m6.523128571s Simplifying C: 0s 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:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$netlink-writev-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000003c0)=[{&(0x7f0000000180)="390000001300034700bb65e1c3e4ffff01000000010000005600000025000000190004000400000007fd17e5ffff0800040000000000000000", 0x39}], 0x1) writev(r0, &(0x7f0000000300)=[{&(0x7f00000001c0)="390000001300034700bb5be1c3e4feff06000000010000004500000025000000190004000400ad000d00000000000006040000000000f93132", 0x39}], 0x1) 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:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$netlink-writev-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000003c0)=[{&(0x7f0000000180)="390000001300034700bb65e1c3e4ffff01000000010000005600000025000000190004000400000007fd17e5ffff0800040000000000000000", 0x39}], 0x1) writev(r0, &(0x7f0000000300)=[{&(0x7f00000001c0)="390000001300034700bb5be1c3e4feff06000000010000004500000025000000190004000400ad000d00000000000006040000000000f93132", 0x39}], 0x1) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$netlink-writev-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000003c0)=[{&(0x7f0000000180)="390000001300034700bb65e1c3e4ffff01000000010000005600000025000000190004000400000007fd17e5ffff0800040000000000000000", 0x39}], 0x1) writev(r0, &(0x7f0000000300)=[{&(0x7f00000001c0)="390000001300034700bb5be1c3e4feff06000000010000004500000025000000190004000400ad000d00000000000006040000000000f93132", 0x39}], 0x1) program crashed: unregister_netdevice: waiting for DEV to become free single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$netlink-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000003c0)=[{&(0x7f0000000180)="390000001300034700bb65e1c3e4ffff01000000010000005600000025000000190004000400000007fd17e5ffff0800040000000000000000", 0x39}], 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$netlink-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f0000000300)=[{&(0x7f00000001c0)="390000001300034700bb5be1c3e4feff06000000010000004500000025000000190004000400ad000d00000000000006040000000000f93132", 0x39}], 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): writev-writev detailed listing: executing program 0: writev(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f0000000180)="390000001300034700bb65e1c3e4ffff01000000010000005600000025000000190004000400000007fd17e5ffff0800040000000000000000", 0x39}], 0x1) writev(0xffffffffffffffff, &(0x7f0000000300)=[{&(0x7f00000001c0)="390000001300034700bb5be1c3e4feff06000000010000004500000025000000190004000400ad000d00000000000006040000000000f93132", 0x39}], 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$netlink-writev-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, 0x0, 0x0) writev(r0, &(0x7f0000000300)=[{&(0x7f00000001c0)="390000001300034700bb5be1c3e4feff06000000010000004500000025000000190004000400ad000d00000000000006040000000000f93132", 0x39}], 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$netlink-writev-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000003c0)=[{0x0}], 0x1) writev(r0, &(0x7f0000000300)=[{&(0x7f00000001c0)="390000001300034700bb5be1c3e4feff06000000010000004500000025000000190004000400ad000d00000000000006040000000000f93132", 0x39}], 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$netlink-writev-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000003c0)=[{&(0x7f0000000180)}], 0x1) writev(r0, &(0x7f0000000300)=[{&(0x7f00000001c0)="390000001300034700bb5be1c3e4feff06000000010000004500000025000000190004000400ad000d00000000000006040000000000f93132", 0x39}], 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$netlink-writev-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000003c0)=[{&(0x7f0000000180)="390000001300034700bb65e1c3e4ffff01000000010000005600000025000000190004000400000007fd17e5ffff0800040000000000000000", 0x39}], 0x1) writev(r0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$netlink-writev-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000003c0)=[{&(0x7f0000000180)="390000001300034700bb65e1c3e4ffff01000000010000005600000025000000190004000400000007fd17e5ffff0800040000000000000000", 0x39}], 0x1) writev(r0, &(0x7f0000000300)=[{0x0}], 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$netlink-writev-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000003c0)=[{&(0x7f0000000180)="390000001300034700bb65e1c3e4ffff01000000010000005600000025000000190004000400000007fd17e5ffff0800040000000000000000", 0x39}], 0x1) writev(r0, &(0x7f0000000300)=[{&(0x7f00000001c0)}], 0x1) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$netlink-writev-writev program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-writev-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000003c0)=[{&(0x7f0000000180)="390000001300034700bb65e1c3e4ffff01000000010000005600000025000000190004000400000007fd17e5ffff0800040000000000000000", 0x39}], 0x1) writev(r0, &(0x7f0000000300)=[{&(0x7f00000001c0)="390000001300034700bb5be1c3e4feff06000000010000004500000025000000190004000400ad000d00000000000006040000000000f93132", 0x39}], 0x1) program crashed: unregister_netdevice: waiting for DEV to become free extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-writev-writev program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-writev-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000003c0)=[{&(0x7f0000000180)="390000001300034700bb65e1c3e4ffff01000000010000005600000025000000190004000400000007fd17e5ffff0800040000000000000000", 0x39}], 0x1) writev(r0, &(0x7f0000000300)=[{&(0x7f00000001c0)="390000001300034700bb5be1c3e4feff06000000010000004500000025000000190004000400ad000d00000000000006040000000000f93132", 0x39}], 0x1) program did not crash testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$netlink-writev-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000003c0)=[{&(0x7f0000000180)="390000001300034700bb65e1c3e4ffff01000000010000005600000025000000190004000400000007fd17e5ffff0800040000000000000000", 0x39}], 0x1) writev(r0, &(0x7f0000000300)=[{&(0x7f00000001c0)="390000001300034700bb5be1c3e4feff06000000010000004500000025000000190004000400ad000d00000000000006040000000000f93132", 0x39}], 0x1) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$netlink-writev-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000003c0)=[{&(0x7f0000000180)="390000001300034700bb65e1c3e4ffff01000000010000005600000025000000190004000400000007fd17e5ffff0800040000000000000000", 0x39}], 0x1) writev(r0, &(0x7f0000000300)=[{&(0x7f00000001c0)="390000001300034700bb5be1c3e4feff06000000010000004500000025000000190004000400ad000d00000000000006040000000000f93132", 0x39}], 0x1) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$netlink-writev-writev detailed listing: executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000003c0)=[{&(0x7f0000000180)="390000001300034700bb65e1c3e4ffff01000000010000005600000025000000190004000400000007fd17e5ffff0800040000000000000000", 0x39}], 0x1) writev(r0, &(0x7f0000000300)=[{&(0x7f00000001c0)="390000001300034700bb5be1c3e4feff06000000010000004500000025000000190004000400ad000d00000000000006040000000000f93132", 0x39}], 0x1) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true reproducing took 1h36m7.239733834s repro crashed as (corrupted=false): unregister_netdevice: waiting for syz_tun to become free. Usage count = 10 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_hold include/linux/netdevice.h:4404 [inline] dst_init+0xda/0x580 net/core/dst.c:52 dst_alloc+0xbb/0x1a0 net/core/dst.c:93 rt_dst_alloc+0x35/0x3a0 net/ipv4/route.c:1651 __mkroute_output net/ipv4/route.c:2655 [inline] ip_route_output_key_hash_rcu+0x87a/0x28e0 net/ipv4/route.c:2875 ip_route_output_key_hash+0x10f/0x2b0 net/ipv4/route.c:2705 __ip_route_output_key include/net/route.h:169 [inline] ip_route_output_flow+0x27/0x150 net/ipv4/route.c:2932 ip_route_output_key include/net/route.h:179 [inline] geneve_link_config.part.0+0x242/0x5a0 drivers/net/geneve.c:1622 geneve_link_config include/net/rtnetlink.h:95 [inline] geneve_newlink+0x346/0x3b0 drivers/net/geneve.c:1680 rtnl_newlink_create net/core/rtnetlink.c:3833 [inline] __rtnl_newlink net/core/rtnetlink.c:3950 [inline] rtnl_newlink+0xc45/0x2000 net/core/rtnetlink.c:4065 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] __sys_sendto+0x4a3/0x520 net/socket.c:2244 __do_sys_sendto net/socket.c:2251 [inline] __se_sys_sendto net/socket.c:2247 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2247 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_tracker_alloc include/linux/netdevice.h:4387 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1008 fib6_nh_init+0x791/0x1fb0 net/ipv6/route.c:3590 ip6_route_info_create_nh+0x507/0xfa0 net/ipv6/route.c:3890 ip6_route_add.part.0+0x56/0x1d0 net/ipv6/route.c:3942 ip6_route_add+0x45/0x60 net/ipv6/route.c:3935 addrconf_prefix_route+0x2fd/0x510 net/ipv6/addrconf.c:2488 addrconf_add_linklocal+0x329/0x500 net/ipv6/addrconf.c:3313 addrconf_addr_gen+0x364/0x3b0 net/ipv6/addrconf.c:3442 addrconf_dev_config net/ipv6/addrconf.c:3489 [inline] addrconf_init_auto_addrs+0x2ba/0x810 net/ipv6/addrconf.c:3567 addrconf_notify+0xe93/0x19e0 net/ipv6/addrconf.c:3740 notifier_call_chain+0xbc/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline] call_netdevice_notifiers net/core/dev.c:2281 [inline] __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9676 netif_change_flags+0x108/0x160 net/core/dev.c:9705 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3151 rtnl_changelink net/core/rtnetlink.c:3769 [inline] __rtnl_newlink net/core/rtnetlink.c:3928 [inline] rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4065 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_tracker_alloc include/linux/netdevice.h:4387 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1008 fib6_nh_init+0x791/0x1fb0 net/ipv6/route.c:3590 ip6_route_info_create_nh+0x507/0xfa0 net/ipv6/route.c:3890 addrconf_f6i_alloc+0x313/0x660 net/ipv6/route.c:4682 ipv6_add_addr+0x531/0x1fe0 net/ipv6/addrconf.c:1126 addrconf_add_linklocal+0x2a5/0x500 net/ipv6/addrconf.c:3311 addrconf_addr_gen+0x364/0x3b0 net/ipv6/addrconf.c:3442 addrconf_dev_config net/ipv6/addrconf.c:3489 [inline] addrconf_init_auto_addrs+0x2ba/0x810 net/ipv6/addrconf.c:3567 addrconf_notify+0xe93/0x19e0 net/ipv6/addrconf.c:3740 notifier_call_chain+0xbc/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline] call_netdevice_notifiers net/core/dev.c:2281 [inline] __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9676 netif_change_flags+0x108/0x160 net/core/dev.c:9705 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3151 rtnl_changelink net/core/rtnetlink.c:3769 [inline] __rtnl_newlink net/core/rtnetlink.c:3928 [inline] rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4065 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_tracker_alloc include/linux/netdevice.h:4387 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1008 fib6_nh_init+0x791/0x1fb0 net/ipv6/route.c:3590 ip6_route_info_create_nh+0x507/0xfa0 net/ipv6/route.c:3890 ip6_route_add.part.0+0x56/0x1d0 net/ipv6/route.c:3942 ip6_route_add+0x45/0x60 net/ipv6/route.c:3935 addrconf_add_mroute+0x1dd/0x350 net/ipv6/addrconf.c:2552 addrconf_add_dev+0x14e/0x1c0 net/ipv6/addrconf.c:2570 addrconf_dev_config net/ipv6/addrconf.c:3479 [inline] addrconf_init_auto_addrs+0x201/0x810 net/ipv6/addrconf.c:3567 addrconf_notify+0xe93/0x19e0 net/ipv6/addrconf.c:3740 notifier_call_chain+0xbc/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline] call_netdevice_notifiers net/core/dev.c:2281 [inline] __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9676 netif_change_flags+0x108/0x160 net/core/dev.c:9705 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3151 rtnl_changelink net/core/rtnetlink.c:3769 [inline] __rtnl_newlink net/core/rtnetlink.c:3928 [inline] rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4065 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_tracker_alloc include/linux/netdevice.h:4387 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1008 fib6_nh_init+0x791/0x1fb0 net/ipv6/route.c:3590 ip6_route_info_create_nh+0x507/0xfa0 net/ipv6/route.c:3890 ip6_route_add.part.0+0x56/0x1d0 net/ipv6/route.c:3942 ip6_route_add+0x45/0x60 net/ipv6/route.c:3935 addrconf_prefix_route+0x2fd/0x510 net/ipv6/addrconf.c:2488 fixup_permanent_addr net/ipv6/addrconf.c:3598 [inline] addrconf_permanent_addr net/ipv6/addrconf.c:3622 [inline] addrconf_notify+0x12c6/0x19e0 net/ipv6/addrconf.c:3694 notifier_call_chain+0xbc/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline] call_netdevice_notifiers net/core/dev.c:2281 [inline] __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9676 netif_change_flags+0x108/0x160 net/core/dev.c:9705 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3151 rtnl_changelink net/core/rtnetlink.c:3769 [inline] __rtnl_newlink net/core/rtnetlink.c:3928 [inline] rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4065 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_hold include/linux/netdevice.h:4404 [inline] netdev_hold include/linux/netdevice.h:4399 [inline] fib_check_nh_nongw net/ipv4/fib_semantics.c:1263 [inline] fib_check_nh+0x271/0x620 net/ipv4/fib_semantics.c:1283 fib_create_info+0x21e3/0x46b0 net/ipv4/fib_semantics.c:1503 fib_table_insert+0x177/0x1c40 net/ipv4/fib_trie.c:1212 fib_magic+0x4d4/0x5c0 net/ipv4/fib_frontend.c:1134 fib_add_ifaddr+0x4d2/0x580 net/ipv4/fib_frontend.c:1178 fib_netdev_event+0x38a/0x710 net/ipv4/fib_frontend.c:1516 notifier_call_chain+0xbc/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline] call_netdevice_notifiers net/core/dev.c:2281 [inline] __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9676 netif_change_flags+0x108/0x160 net/core/dev.c:9705 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3151 rtnl_changelink net/core/rtnetlink.c:3769 [inline] __rtnl_newlink net/core/rtnetlink.c:3928 [inline] rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4065 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_hold include/linux/netdevice.h:4404 [inline] netdev_hold include/linux/netdevice.h:4399 [inline] fib_check_nh_nongw net/ipv4/fib_semantics.c:1263 [inline] fib_check_nh+0x271/0x620 net/ipv4/fib_semantics.c:1283 fib_create_info+0x21e3/0x46b0 net/ipv4/fib_semantics.c:1503 fib_table_insert+0x177/0x1c40 net/ipv4/fib_trie.c:1212 fib_magic+0x4d4/0x5c0 net/ipv4/fib_frontend.c:1134 fib_add_ifaddr+0x3a1/0x580 net/ipv4/fib_frontend.c:1171 fib_netdev_event+0x38a/0x710 net/ipv4/fib_frontend.c:1516 notifier_call_chain+0xbc/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline] call_netdevice_notifiers net/core/dev.c:2281 [inline] __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9676 netif_change_flags+0x108/0x160 net/core/dev.c:9705 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3151 rtnl_changelink net/core/rtnetlink.c:3769 [inline] __rtnl_newlink net/core/rtnetlink.c:3928 [inline] rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4065 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_tracker_alloc include/linux/netdevice.h:4387 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1008 fib6_nh_init+0x791/0x1fb0 net/ipv6/route.c:3590 ip6_route_info_create_nh+0x507/0xfa0 net/ipv6/route.c:3890 addrconf_f6i_alloc+0x313/0x660 net/ipv6/route.c:4682 ipv6_add_addr+0x531/0x1fe0 net/ipv6/addrconf.c:1126 inet6_addr_add+0x256/0x960 net/ipv6/addrconf.c:3050 inet6_rtm_newaddr+0x1619/0x1c70 net/ipv6/addrconf.c:5059 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] __sys_sendto+0x4a3/0x520 net/socket.c:2244 __do_sys_sendto net/socket.c:2251 [inline] __se_sys_sendto net/socket.c:2247 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2247 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_tracker_alloc include/linux/netdevice.h:4387 [inline] fib_create_info+0x2b79/0x46b0 net/ipv4/fib_semantics.c:1497 fib_table_insert+0x177/0x1c40 net/ipv4/fib_trie.c:1212 fib_magic+0x4d4/0x5c0 net/ipv4/fib_frontend.c:1134 fib_add_ifaddr+0x16d/0x580 net/ipv4/fib_frontend.c:1156 fib_inetaddr_event+0x147/0x270 net/ipv4/fib_frontend.c:1470 notifier_call_chain+0xbc/0x410 kernel/notifier.c:85 blocking_notifier_call_chain kernel/notifier.c:380 [inline] blocking_notifier_call_chain+0x69/0xa0 kernel/notifier.c:368 __inet_insert_ifa+0x925/0xcd0 net/ipv4/devinet.c:566 inet_rtm_newaddr+0xd87/0x1540 net/ipv4/devinet.c:1001 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] __sys_sendto+0x4a3/0x520 net/socket.c:2244 __do_sys_sendto net/socket.c:2251 [inline] __se_sys_sendto net/socket.c:2247 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2247 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94 final repro crashed as (corrupted=false): unregister_netdevice: waiting for syz_tun to become free. Usage count = 10 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_hold include/linux/netdevice.h:4404 [inline] dst_init+0xda/0x580 net/core/dst.c:52 dst_alloc+0xbb/0x1a0 net/core/dst.c:93 rt_dst_alloc+0x35/0x3a0 net/ipv4/route.c:1651 __mkroute_output net/ipv4/route.c:2655 [inline] ip_route_output_key_hash_rcu+0x87a/0x28e0 net/ipv4/route.c:2875 ip_route_output_key_hash+0x10f/0x2b0 net/ipv4/route.c:2705 __ip_route_output_key include/net/route.h:169 [inline] ip_route_output_flow+0x27/0x150 net/ipv4/route.c:2932 ip_route_output_key include/net/route.h:179 [inline] geneve_link_config.part.0+0x242/0x5a0 drivers/net/geneve.c:1622 geneve_link_config include/net/rtnetlink.h:95 [inline] geneve_newlink+0x346/0x3b0 drivers/net/geneve.c:1680 rtnl_newlink_create net/core/rtnetlink.c:3833 [inline] __rtnl_newlink net/core/rtnetlink.c:3950 [inline] rtnl_newlink+0xc45/0x2000 net/core/rtnetlink.c:4065 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] __sys_sendto+0x4a3/0x520 net/socket.c:2244 __do_sys_sendto net/socket.c:2251 [inline] __se_sys_sendto net/socket.c:2247 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2247 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_tracker_alloc include/linux/netdevice.h:4387 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1008 fib6_nh_init+0x791/0x1fb0 net/ipv6/route.c:3590 ip6_route_info_create_nh+0x507/0xfa0 net/ipv6/route.c:3890 ip6_route_add.part.0+0x56/0x1d0 net/ipv6/route.c:3942 ip6_route_add+0x45/0x60 net/ipv6/route.c:3935 addrconf_prefix_route+0x2fd/0x510 net/ipv6/addrconf.c:2488 addrconf_add_linklocal+0x329/0x500 net/ipv6/addrconf.c:3313 addrconf_addr_gen+0x364/0x3b0 net/ipv6/addrconf.c:3442 addrconf_dev_config net/ipv6/addrconf.c:3489 [inline] addrconf_init_auto_addrs+0x2ba/0x810 net/ipv6/addrconf.c:3567 addrconf_notify+0xe93/0x19e0 net/ipv6/addrconf.c:3740 notifier_call_chain+0xbc/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline] call_netdevice_notifiers net/core/dev.c:2281 [inline] __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9676 netif_change_flags+0x108/0x160 net/core/dev.c:9705 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3151 rtnl_changelink net/core/rtnetlink.c:3769 [inline] __rtnl_newlink net/core/rtnetlink.c:3928 [inline] rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4065 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_tracker_alloc include/linux/netdevice.h:4387 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1008 fib6_nh_init+0x791/0x1fb0 net/ipv6/route.c:3590 ip6_route_info_create_nh+0x507/0xfa0 net/ipv6/route.c:3890 addrconf_f6i_alloc+0x313/0x660 net/ipv6/route.c:4682 ipv6_add_addr+0x531/0x1fe0 net/ipv6/addrconf.c:1126 addrconf_add_linklocal+0x2a5/0x500 net/ipv6/addrconf.c:3311 addrconf_addr_gen+0x364/0x3b0 net/ipv6/addrconf.c:3442 addrconf_dev_config net/ipv6/addrconf.c:3489 [inline] addrconf_init_auto_addrs+0x2ba/0x810 net/ipv6/addrconf.c:3567 addrconf_notify+0xe93/0x19e0 net/ipv6/addrconf.c:3740 notifier_call_chain+0xbc/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline] call_netdevice_notifiers net/core/dev.c:2281 [inline] __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9676 netif_change_flags+0x108/0x160 net/core/dev.c:9705 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3151 rtnl_changelink net/core/rtnetlink.c:3769 [inline] __rtnl_newlink net/core/rtnetlink.c:3928 [inline] rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4065 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_tracker_alloc include/linux/netdevice.h:4387 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1008 fib6_nh_init+0x791/0x1fb0 net/ipv6/route.c:3590 ip6_route_info_create_nh+0x507/0xfa0 net/ipv6/route.c:3890 ip6_route_add.part.0+0x56/0x1d0 net/ipv6/route.c:3942 ip6_route_add+0x45/0x60 net/ipv6/route.c:3935 addrconf_add_mroute+0x1dd/0x350 net/ipv6/addrconf.c:2552 addrconf_add_dev+0x14e/0x1c0 net/ipv6/addrconf.c:2570 addrconf_dev_config net/ipv6/addrconf.c:3479 [inline] addrconf_init_auto_addrs+0x201/0x810 net/ipv6/addrconf.c:3567 addrconf_notify+0xe93/0x19e0 net/ipv6/addrconf.c:3740 notifier_call_chain+0xbc/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline] call_netdevice_notifiers net/core/dev.c:2281 [inline] __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9676 netif_change_flags+0x108/0x160 net/core/dev.c:9705 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3151 rtnl_changelink net/core/rtnetlink.c:3769 [inline] __rtnl_newlink net/core/rtnetlink.c:3928 [inline] rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4065 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_tracker_alloc include/linux/netdevice.h:4387 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1008 fib6_nh_init+0x791/0x1fb0 net/ipv6/route.c:3590 ip6_route_info_create_nh+0x507/0xfa0 net/ipv6/route.c:3890 ip6_route_add.part.0+0x56/0x1d0 net/ipv6/route.c:3942 ip6_route_add+0x45/0x60 net/ipv6/route.c:3935 addrconf_prefix_route+0x2fd/0x510 net/ipv6/addrconf.c:2488 fixup_permanent_addr net/ipv6/addrconf.c:3598 [inline] addrconf_permanent_addr net/ipv6/addrconf.c:3622 [inline] addrconf_notify+0x12c6/0x19e0 net/ipv6/addrconf.c:3694 notifier_call_chain+0xbc/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline] call_netdevice_notifiers net/core/dev.c:2281 [inline] __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9676 netif_change_flags+0x108/0x160 net/core/dev.c:9705 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3151 rtnl_changelink net/core/rtnetlink.c:3769 [inline] __rtnl_newlink net/core/rtnetlink.c:3928 [inline] rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4065 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_hold include/linux/netdevice.h:4404 [inline] netdev_hold include/linux/netdevice.h:4399 [inline] fib_check_nh_nongw net/ipv4/fib_semantics.c:1263 [inline] fib_check_nh+0x271/0x620 net/ipv4/fib_semantics.c:1283 fib_create_info+0x21e3/0x46b0 net/ipv4/fib_semantics.c:1503 fib_table_insert+0x177/0x1c40 net/ipv4/fib_trie.c:1212 fib_magic+0x4d4/0x5c0 net/ipv4/fib_frontend.c:1134 fib_add_ifaddr+0x4d2/0x580 net/ipv4/fib_frontend.c:1178 fib_netdev_event+0x38a/0x710 net/ipv4/fib_frontend.c:1516 notifier_call_chain+0xbc/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline] call_netdevice_notifiers net/core/dev.c:2281 [inline] __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9676 netif_change_flags+0x108/0x160 net/core/dev.c:9705 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3151 rtnl_changelink net/core/rtnetlink.c:3769 [inline] __rtnl_newlink net/core/rtnetlink.c:3928 [inline] rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4065 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_hold include/linux/netdevice.h:4404 [inline] netdev_hold include/linux/netdevice.h:4399 [inline] fib_check_nh_nongw net/ipv4/fib_semantics.c:1263 [inline] fib_check_nh+0x271/0x620 net/ipv4/fib_semantics.c:1283 fib_create_info+0x21e3/0x46b0 net/ipv4/fib_semantics.c:1503 fib_table_insert+0x177/0x1c40 net/ipv4/fib_trie.c:1212 fib_magic+0x4d4/0x5c0 net/ipv4/fib_frontend.c:1134 fib_add_ifaddr+0x3a1/0x580 net/ipv4/fib_frontend.c:1171 fib_netdev_event+0x38a/0x710 net/ipv4/fib_frontend.c:1516 notifier_call_chain+0xbc/0x410 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x140 net/core/dev.c:2229 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline] call_netdevice_notifiers net/core/dev.c:2281 [inline] __dev_notify_flags+0x12c/0x2e0 net/core/dev.c:9676 netif_change_flags+0x108/0x160 net/core/dev.c:9705 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3151 rtnl_changelink net/core/rtnetlink.c:3769 [inline] __rtnl_newlink net/core/rtnetlink.c:3928 [inline] rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4065 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896 ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_tracker_alloc include/linux/netdevice.h:4387 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1008 fib6_nh_init+0x791/0x1fb0 net/ipv6/route.c:3590 ip6_route_info_create_nh+0x507/0xfa0 net/ipv6/route.c:3890 addrconf_f6i_alloc+0x313/0x660 net/ipv6/route.c:4682 ipv6_add_addr+0x531/0x1fe0 net/ipv6/addrconf.c:1126 inet6_addr_add+0x256/0x960 net/ipv6/addrconf.c:3050 inet6_rtm_newaddr+0x1619/0x1c70 net/ipv6/addrconf.c:5059 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] __sys_sendto+0x4a3/0x520 net/socket.c:2244 __do_sys_sendto net/socket.c:2251 [inline] __se_sys_sendto net/socket.c:2247 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2247 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f ref_tracker: netdev@ffff888053b90618 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4375 [inline] netdev_tracker_alloc include/linux/netdevice.h:4387 [inline] fib_create_info+0x2b79/0x46b0 net/ipv4/fib_semantics.c:1497 fib_table_insert+0x177/0x1c40 net/ipv4/fib_trie.c:1212 fib_magic+0x4d4/0x5c0 net/ipv4/fib_frontend.c:1134 fib_add_ifaddr+0x16d/0x580 net/ipv4/fib_frontend.c:1156 fib_inetaddr_event+0x147/0x270 net/ipv4/fib_frontend.c:1470 notifier_call_chain+0xbc/0x410 kernel/notifier.c:85 blocking_notifier_call_chain kernel/notifier.c:380 [inline] blocking_notifier_call_chain+0x69/0xa0 kernel/notifier.c:368 __inet_insert_ifa+0x925/0xcd0 net/ipv4/devinet.c:566 inet_rtm_newaddr+0xd87/0x1540 net/ipv4/devinet.c:1001 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] __sys_sendto+0x4a3/0x520 net/socket.c:2244 __do_sys_sendto net/socket.c:2251 [inline] __se_sys_sendto net/socket.c:2247 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2247 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94