Extracting prog: 8m34.871306601s Minimizing prog: 30m32.905833547s Simplifying prog options: 16m41.572859162s Extracting C: 5m6.662286284s 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) 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}}): ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: ioctl$sock_inet_SIOCSIFFLAGS(0xffffffffffffffff, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(0xffffffffffffffff, 0x8914, &(0x7f0000000200)={'lo\x00'}) 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, 0x0) 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) program crashed: unregister_netdevice: waiting for DEV to become free extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) program did not crash validation run: crashed=false 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) program did not crash validation run: crashed=false 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) program did not crash validation run: crashed=false 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) program did not crash validation run: crashed=false 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) program did not crash validation run: crashed=false 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) program did not crash validation run: crashed=false 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) program did not crash validation run: crashed=false 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$inet6-ioctl$sock_inet_SIOCSIFFLAGS-ioctl$sock_inet_SIOCSIFFLAGS detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00', 0x1}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000200)={'lo\x00'}) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true reproducing took 2h2m6.177072854s repro crashed as (corrupted=false): unregister_netdevice: waiting for syz_tun to become free. Usage count = 10 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_hold include/linux/netdevice.h:4557 [inline] dst_init+0xda/0x5b0 net/core/dst.c:52 dst_alloc+0xbb/0x1a0 net/core/dst.c:94 rt_dst_alloc+0x35/0x3a0 net/ipv4/route.c:1681 __mkroute_output net/ipv4/route.c:2684 [inline] ip_route_output_key_hash_rcu+0x87a/0x2870 net/ipv4/route.c:2904 ip_route_output_key_hash+0x118/0x2b0 net/ipv4/route.c:2734 __ip_route_output_key include/net/route.h:169 [inline] ip_route_output_flow+0x27/0x150 net/ipv4/route.c:2961 ip_route_output_key include/net/route.h:179 [inline] geneve_link_config.part.0+0x23e/0x5b0 drivers/net/geneve.c:2397 geneve_link_config drivers/net/geneve.c:1976 [inline] geneve_newlink+0xe38/0x1250 drivers/net/geneve.c:2456 rtnl_newlink_create net/core/rtnetlink.c:3974 [inline] __rtnl_newlink net/core/rtnetlink.c:4103 [inline] rtnl_newlink+0x1697/0x2620 net/core/rtnetlink.c:4220 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x48b/0x4e0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_tracker_alloc include/linux/netdevice.h:4540 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1049 fib6_nh_init+0x657/0x1d80 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x50b/0xfe0 net/ipv6/route.c:3914 ip6_route_add+0x80/0x1d0 net/ipv6/route.c:3966 addrconf_prefix_route+0x2fb/0x510 net/ipv6/addrconf.c:2504 addrconf_add_linklocal+0x329/0x500 net/ipv6/addrconf.c:3337 addrconf_addr_gen+0x364/0x3b0 net/ipv6/addrconf.c:3471 addrconf_dev_config net/ipv6/addrconf.c:3518 [inline] addrconf_init_auto_addrs+0x1cb/0x780 net/ipv6/addrconf.c:3596 addrconf_notify+0x10af/0x1ba0 net/ipv6/addrconf.c:3776 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x110 net/core/dev.c:2275 call_netdevice_notifiers_extack net/core/dev.c:2313 [inline] call_netdevice_notifiers net/core/dev.c:2327 [inline] __dev_notify_flags+0x22c/0x4b0 net/core/dev.c:9853 netif_change_flags+0x108/0x160 net/core/dev.c:9882 do_setlink.isra.0+0x1ac4/0x3e60 net/core/rtnetlink.c:3271 rtnl_changelink net/core/rtnetlink.c:3910 [inline] __rtnl_newlink net/core/rtnetlink.c:4081 [inline] rtnl_newlink+0x13c1/0x2620 net/core/rtnetlink.c:4220 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_tracker_alloc include/linux/netdevice.h:4540 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1049 fib6_nh_init+0x657/0x1d80 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x50b/0xfe0 net/ipv6/route.c:3914 addrconf_f6i_alloc+0x312/0x670 net/ipv6/route.c:4721 ipv6_add_addr+0x580/0x1fb0 net/ipv6/addrconf.c:1132 addrconf_add_linklocal+0x2a5/0x500 net/ipv6/addrconf.c:3335 addrconf_addr_gen+0x364/0x3b0 net/ipv6/addrconf.c:3471 addrconf_dev_config net/ipv6/addrconf.c:3518 [inline] addrconf_init_auto_addrs+0x1cb/0x780 net/ipv6/addrconf.c:3596 addrconf_notify+0x10af/0x1ba0 net/ipv6/addrconf.c:3776 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x110 net/core/dev.c:2275 call_netdevice_notifiers_extack net/core/dev.c:2313 [inline] call_netdevice_notifiers net/core/dev.c:2327 [inline] __dev_notify_flags+0x22c/0x4b0 net/core/dev.c:9853 netif_change_flags+0x108/0x160 net/core/dev.c:9882 do_setlink.isra.0+0x1ac4/0x3e60 net/core/rtnetlink.c:3271 rtnl_changelink net/core/rtnetlink.c:3910 [inline] __rtnl_newlink net/core/rtnetlink.c:4081 [inline] rtnl_newlink+0x13c1/0x2620 net/core/rtnetlink.c:4220 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_tracker_alloc include/linux/netdevice.h:4540 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1049 fib6_nh_init+0x657/0x1d80 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x50b/0xfe0 net/ipv6/route.c:3914 ip6_route_add+0x80/0x1d0 net/ipv6/route.c:3966 addrconf_add_mroute+0x1de/0x350 net/ipv6/addrconf.c:2568 addrconf_add_dev+0x14e/0x1a0 net/ipv6/addrconf.c:2586 addrconf_dev_config net/ipv6/addrconf.c:3508 [inline] addrconf_init_auto_addrs+0x10e/0x780 net/ipv6/addrconf.c:3596 addrconf_notify+0x10af/0x1ba0 net/ipv6/addrconf.c:3776 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x110 net/core/dev.c:2275 call_netdevice_notifiers_extack net/core/dev.c:2313 [inline] call_netdevice_notifiers net/core/dev.c:2327 [inline] __dev_notify_flags+0x22c/0x4b0 net/core/dev.c:9853 netif_change_flags+0x108/0x160 net/core/dev.c:9882 do_setlink.isra.0+0x1ac4/0x3e60 net/core/rtnetlink.c:3271 rtnl_changelink net/core/rtnetlink.c:3910 [inline] __rtnl_newlink net/core/rtnetlink.c:4081 [inline] rtnl_newlink+0x13c1/0x2620 net/core/rtnetlink.c:4220 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_tracker_alloc include/linux/netdevice.h:4540 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1049 fib6_nh_init+0x657/0x1d80 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x50b/0xfe0 net/ipv6/route.c:3914 ip6_route_add+0x80/0x1d0 net/ipv6/route.c:3966 addrconf_prefix_route+0x2fb/0x510 net/ipv6/addrconf.c:2504 fixup_permanent_addr net/ipv6/addrconf.c:3627 [inline] addrconf_permanent_addr net/ipv6/addrconf.c:3663 [inline] addrconf_notify+0x1548/0x1ba0 net/ipv6/addrconf.c:3730 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x110 net/core/dev.c:2275 call_netdevice_notifiers_extack net/core/dev.c:2313 [inline] call_netdevice_notifiers net/core/dev.c:2327 [inline] __dev_notify_flags+0x22c/0x4b0 net/core/dev.c:9853 netif_change_flags+0x108/0x160 net/core/dev.c:9882 do_setlink.isra.0+0x1ac4/0x3e60 net/core/rtnetlink.c:3271 rtnl_changelink net/core/rtnetlink.c:3910 [inline] __rtnl_newlink net/core/rtnetlink.c:4081 [inline] rtnl_newlink+0x13c1/0x2620 net/core/rtnetlink.c:4220 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_hold include/linux/netdevice.h:4557 [inline] netdev_hold include/linux/netdevice.h:4552 [inline] fib_check_nh_nongw net/ipv4/fib_semantics.c:1290 [inline] fib_check_nh+0x271/0x620 net/ipv4/fib_semantics.c:1310 fib_create_info+0x218e/0x4640 net/ipv4/fib_semantics.c:1530 fib_table_insert+0x169/0x1c70 net/ipv4/fib_trie.c:1212 fib_magic+0x4d4/0x5c0 net/ipv4/fib_frontend.c:1147 fib_add_ifaddr+0x4ba/0x560 net/ipv4/fib_frontend.c:1191 fib_netdev_event+0x3d6/0x710 net/ipv4/fib_frontend.c:1529 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x110 net/core/dev.c:2275 call_netdevice_notifiers_extack net/core/dev.c:2313 [inline] call_netdevice_notifiers net/core/dev.c:2327 [inline] __dev_notify_flags+0x22c/0x4b0 net/core/dev.c:9853 netif_change_flags+0x108/0x160 net/core/dev.c:9882 do_setlink.isra.0+0x1ac4/0x3e60 net/core/rtnetlink.c:3271 rtnl_changelink net/core/rtnetlink.c:3910 [inline] __rtnl_newlink net/core/rtnetlink.c:4081 [inline] rtnl_newlink+0x13c1/0x2620 net/core/rtnetlink.c:4220 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_hold include/linux/netdevice.h:4557 [inline] netdev_hold include/linux/netdevice.h:4552 [inline] fib_check_nh_nongw net/ipv4/fib_semantics.c:1290 [inline] fib_check_nh+0x271/0x620 net/ipv4/fib_semantics.c:1310 fib_create_info+0x218e/0x4640 net/ipv4/fib_semantics.c:1530 fib_table_insert+0x169/0x1c70 net/ipv4/fib_trie.c:1212 fib_magic+0x4d4/0x5c0 net/ipv4/fib_frontend.c:1147 fib_add_ifaddr+0x3a1/0x560 net/ipv4/fib_frontend.c:1184 fib_netdev_event+0x3d6/0x710 net/ipv4/fib_frontend.c:1529 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x110 net/core/dev.c:2275 call_netdevice_notifiers_extack net/core/dev.c:2313 [inline] call_netdevice_notifiers net/core/dev.c:2327 [inline] __dev_notify_flags+0x22c/0x4b0 net/core/dev.c:9853 netif_change_flags+0x108/0x160 net/core/dev.c:9882 do_setlink.isra.0+0x1ac4/0x3e60 net/core/rtnetlink.c:3271 rtnl_changelink net/core/rtnetlink.c:3910 [inline] __rtnl_newlink net/core/rtnetlink.c:4081 [inline] rtnl_newlink+0x13c1/0x2620 net/core/rtnetlink.c:4220 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_tracker_alloc include/linux/netdevice.h:4540 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1049 fib6_nh_init+0x657/0x1d80 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x50b/0xfe0 net/ipv6/route.c:3914 addrconf_f6i_alloc+0x312/0x670 net/ipv6/route.c:4721 ipv6_add_addr+0x580/0x1fb0 net/ipv6/addrconf.c:1132 inet6_addr_add+0x26f/0x9a0 net/ipv6/addrconf.c:3074 inet6_rtm_newaddr+0x147a/0x1bb0 net/ipv6/addrconf.c:5095 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x48b/0x4e0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_tracker_alloc include/linux/netdevice.h:4540 [inline] fib_create_info+0x2b36/0x4640 net/ipv4/fib_semantics.c:1524 fib_table_insert+0x169/0x1c70 net/ipv4/fib_trie.c:1212 fib_magic+0x4d4/0x5c0 net/ipv4/fib_frontend.c:1147 fib_add_ifaddr+0x16d/0x560 net/ipv4/fib_frontend.c:1169 fib_inetaddr_event+0x147/0x270 net/ipv4/fib_frontend.c:1483 notifier_call_chain+0x99/0x3f0 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+0x91d/0xc70 net/ipv4/devinet.c:566 inet_rtm_newaddr+0xeb1/0x18c0 net/ipv4/devinet.c:1001 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x48b/0x4e0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 final repro crashed as (corrupted=false): unregister_netdevice: waiting for syz_tun to become free. Usage count = 10 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_hold include/linux/netdevice.h:4557 [inline] dst_init+0xda/0x5b0 net/core/dst.c:52 dst_alloc+0xbb/0x1a0 net/core/dst.c:94 rt_dst_alloc+0x35/0x3a0 net/ipv4/route.c:1681 __mkroute_output net/ipv4/route.c:2684 [inline] ip_route_output_key_hash_rcu+0x87a/0x2870 net/ipv4/route.c:2904 ip_route_output_key_hash+0x118/0x2b0 net/ipv4/route.c:2734 __ip_route_output_key include/net/route.h:169 [inline] ip_route_output_flow+0x27/0x150 net/ipv4/route.c:2961 ip_route_output_key include/net/route.h:179 [inline] geneve_link_config.part.0+0x23e/0x5b0 drivers/net/geneve.c:2397 geneve_link_config drivers/net/geneve.c:1976 [inline] geneve_newlink+0xe38/0x1250 drivers/net/geneve.c:2456 rtnl_newlink_create net/core/rtnetlink.c:3974 [inline] __rtnl_newlink net/core/rtnetlink.c:4103 [inline] rtnl_newlink+0x1697/0x2620 net/core/rtnetlink.c:4220 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x48b/0x4e0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_tracker_alloc include/linux/netdevice.h:4540 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1049 fib6_nh_init+0x657/0x1d80 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x50b/0xfe0 net/ipv6/route.c:3914 ip6_route_add+0x80/0x1d0 net/ipv6/route.c:3966 addrconf_prefix_route+0x2fb/0x510 net/ipv6/addrconf.c:2504 addrconf_add_linklocal+0x329/0x500 net/ipv6/addrconf.c:3337 addrconf_addr_gen+0x364/0x3b0 net/ipv6/addrconf.c:3471 addrconf_dev_config net/ipv6/addrconf.c:3518 [inline] addrconf_init_auto_addrs+0x1cb/0x780 net/ipv6/addrconf.c:3596 addrconf_notify+0x10af/0x1ba0 net/ipv6/addrconf.c:3776 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x110 net/core/dev.c:2275 call_netdevice_notifiers_extack net/core/dev.c:2313 [inline] call_netdevice_notifiers net/core/dev.c:2327 [inline] __dev_notify_flags+0x22c/0x4b0 net/core/dev.c:9853 netif_change_flags+0x108/0x160 net/core/dev.c:9882 do_setlink.isra.0+0x1ac4/0x3e60 net/core/rtnetlink.c:3271 rtnl_changelink net/core/rtnetlink.c:3910 [inline] __rtnl_newlink net/core/rtnetlink.c:4081 [inline] rtnl_newlink+0x13c1/0x2620 net/core/rtnetlink.c:4220 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_tracker_alloc include/linux/netdevice.h:4540 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1049 fib6_nh_init+0x657/0x1d80 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x50b/0xfe0 net/ipv6/route.c:3914 addrconf_f6i_alloc+0x312/0x670 net/ipv6/route.c:4721 ipv6_add_addr+0x580/0x1fb0 net/ipv6/addrconf.c:1132 addrconf_add_linklocal+0x2a5/0x500 net/ipv6/addrconf.c:3335 addrconf_addr_gen+0x364/0x3b0 net/ipv6/addrconf.c:3471 addrconf_dev_config net/ipv6/addrconf.c:3518 [inline] addrconf_init_auto_addrs+0x1cb/0x780 net/ipv6/addrconf.c:3596 addrconf_notify+0x10af/0x1ba0 net/ipv6/addrconf.c:3776 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x110 net/core/dev.c:2275 call_netdevice_notifiers_extack net/core/dev.c:2313 [inline] call_netdevice_notifiers net/core/dev.c:2327 [inline] __dev_notify_flags+0x22c/0x4b0 net/core/dev.c:9853 netif_change_flags+0x108/0x160 net/core/dev.c:9882 do_setlink.isra.0+0x1ac4/0x3e60 net/core/rtnetlink.c:3271 rtnl_changelink net/core/rtnetlink.c:3910 [inline] __rtnl_newlink net/core/rtnetlink.c:4081 [inline] rtnl_newlink+0x13c1/0x2620 net/core/rtnetlink.c:4220 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_tracker_alloc include/linux/netdevice.h:4540 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1049 fib6_nh_init+0x657/0x1d80 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x50b/0xfe0 net/ipv6/route.c:3914 ip6_route_add+0x80/0x1d0 net/ipv6/route.c:3966 addrconf_add_mroute+0x1de/0x350 net/ipv6/addrconf.c:2568 addrconf_add_dev+0x14e/0x1a0 net/ipv6/addrconf.c:2586 addrconf_dev_config net/ipv6/addrconf.c:3508 [inline] addrconf_init_auto_addrs+0x10e/0x780 net/ipv6/addrconf.c:3596 addrconf_notify+0x10af/0x1ba0 net/ipv6/addrconf.c:3776 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x110 net/core/dev.c:2275 call_netdevice_notifiers_extack net/core/dev.c:2313 [inline] call_netdevice_notifiers net/core/dev.c:2327 [inline] __dev_notify_flags+0x22c/0x4b0 net/core/dev.c:9853 netif_change_flags+0x108/0x160 net/core/dev.c:9882 do_setlink.isra.0+0x1ac4/0x3e60 net/core/rtnetlink.c:3271 rtnl_changelink net/core/rtnetlink.c:3910 [inline] __rtnl_newlink net/core/rtnetlink.c:4081 [inline] rtnl_newlink+0x13c1/0x2620 net/core/rtnetlink.c:4220 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_tracker_alloc include/linux/netdevice.h:4540 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1049 fib6_nh_init+0x657/0x1d80 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x50b/0xfe0 net/ipv6/route.c:3914 ip6_route_add+0x80/0x1d0 net/ipv6/route.c:3966 addrconf_prefix_route+0x2fb/0x510 net/ipv6/addrconf.c:2504 fixup_permanent_addr net/ipv6/addrconf.c:3627 [inline] addrconf_permanent_addr net/ipv6/addrconf.c:3663 [inline] addrconf_notify+0x1548/0x1ba0 net/ipv6/addrconf.c:3730 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x110 net/core/dev.c:2275 call_netdevice_notifiers_extack net/core/dev.c:2313 [inline] call_netdevice_notifiers net/core/dev.c:2327 [inline] __dev_notify_flags+0x22c/0x4b0 net/core/dev.c:9853 netif_change_flags+0x108/0x160 net/core/dev.c:9882 do_setlink.isra.0+0x1ac4/0x3e60 net/core/rtnetlink.c:3271 rtnl_changelink net/core/rtnetlink.c:3910 [inline] __rtnl_newlink net/core/rtnetlink.c:4081 [inline] rtnl_newlink+0x13c1/0x2620 net/core/rtnetlink.c:4220 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_hold include/linux/netdevice.h:4557 [inline] netdev_hold include/linux/netdevice.h:4552 [inline] fib_check_nh_nongw net/ipv4/fib_semantics.c:1290 [inline] fib_check_nh+0x271/0x620 net/ipv4/fib_semantics.c:1310 fib_create_info+0x218e/0x4640 net/ipv4/fib_semantics.c:1530 fib_table_insert+0x169/0x1c70 net/ipv4/fib_trie.c:1212 fib_magic+0x4d4/0x5c0 net/ipv4/fib_frontend.c:1147 fib_add_ifaddr+0x4ba/0x560 net/ipv4/fib_frontend.c:1191 fib_netdev_event+0x3d6/0x710 net/ipv4/fib_frontend.c:1529 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x110 net/core/dev.c:2275 call_netdevice_notifiers_extack net/core/dev.c:2313 [inline] call_netdevice_notifiers net/core/dev.c:2327 [inline] __dev_notify_flags+0x22c/0x4b0 net/core/dev.c:9853 netif_change_flags+0x108/0x160 net/core/dev.c:9882 do_setlink.isra.0+0x1ac4/0x3e60 net/core/rtnetlink.c:3271 rtnl_changelink net/core/rtnetlink.c:3910 [inline] __rtnl_newlink net/core/rtnetlink.c:4081 [inline] rtnl_newlink+0x13c1/0x2620 net/core/rtnetlink.c:4220 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_hold include/linux/netdevice.h:4557 [inline] netdev_hold include/linux/netdevice.h:4552 [inline] fib_check_nh_nongw net/ipv4/fib_semantics.c:1290 [inline] fib_check_nh+0x271/0x620 net/ipv4/fib_semantics.c:1310 fib_create_info+0x218e/0x4640 net/ipv4/fib_semantics.c:1530 fib_table_insert+0x169/0x1c70 net/ipv4/fib_trie.c:1212 fib_magic+0x4d4/0x5c0 net/ipv4/fib_frontend.c:1147 fib_add_ifaddr+0x3a1/0x560 net/ipv4/fib_frontend.c:1184 fib_netdev_event+0x3d6/0x710 net/ipv4/fib_frontend.c:1529 notifier_call_chain+0x99/0x3f0 kernel/notifier.c:85 call_netdevice_notifiers_info+0xbe/0x110 net/core/dev.c:2275 call_netdevice_notifiers_extack net/core/dev.c:2313 [inline] call_netdevice_notifiers net/core/dev.c:2327 [inline] __dev_notify_flags+0x22c/0x4b0 net/core/dev.c:9853 netif_change_flags+0x108/0x160 net/core/dev.c:9882 do_setlink.isra.0+0x1ac4/0x3e60 net/core/rtnetlink.c:3271 rtnl_changelink net/core/rtnetlink.c:3910 [inline] __rtnl_newlink net/core/rtnetlink.c:4081 [inline] rtnl_newlink+0x13c1/0x2620 net/core/rtnetlink.c:4220 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900 ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_tracker_alloc include/linux/netdevice.h:4540 [inline] netdev_get_by_index+0x7c/0xb0 net/core/dev.c:1049 fib6_nh_init+0x657/0x1d80 net/ipv6/route.c:3615 ip6_route_info_create_nh+0x50b/0xfe0 net/ipv6/route.c:3914 addrconf_f6i_alloc+0x312/0x670 net/ipv6/route.c:4721 ipv6_add_addr+0x580/0x1fb0 net/ipv6/addrconf.c:1132 inet6_addr_add+0x26f/0x9a0 net/ipv6/addrconf.c:3074 inet6_rtm_newaddr+0x147a/0x1bb0 net/ipv6/addrconf.c:5095 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x48b/0x4e0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f ref_tracker: netdev@ffff888056924700 has 1/9 users at __netdev_tracker_alloc include/linux/netdevice.h:4528 [inline] netdev_tracker_alloc include/linux/netdevice.h:4540 [inline] fib_create_info+0x2b36/0x4640 net/ipv4/fib_semantics.c:1524 fib_table_insert+0x169/0x1c70 net/ipv4/fib_trie.c:1212 fib_magic+0x4d4/0x5c0 net/ipv4/fib_frontend.c:1147 fib_add_ifaddr+0x16d/0x560 net/ipv4/fib_frontend.c:1169 fib_inetaddr_event+0x147/0x270 net/ipv4/fib_frontend.c:1483 notifier_call_chain+0x99/0x3f0 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+0x91d/0xc70 net/ipv4/devinet.c:566 inet_rtm_newaddr+0xeb1/0x18c0 net/ipv4/devinet.c:1001 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:7137 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x48b/0x4e0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84