Extracting prog: 2m6.538064223s Minimizing prog: 18m10.137357357s Simplifying prog options: 4m50.56033156s Extracting C: 1m33.969520659s 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:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: r0 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000380)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="010000000000000000006604000008000300", @ANYRES32=r2, @ANYBLOB="0800b70004000000080026009409"], 0x4c}}, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r3, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program crashed: WARNING in __ieee80211_beacon_get single: successfully extracted reproducer found reproducer with 8 syscalls minimizing guilty program testing program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH-prlimit64-sched_setscheduler-openat$hwrng detailed listing: executing program 0: r0 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000380)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="010000000000000000006604000008000300", @ANYRES32=r2, @ANYBLOB="0800b70004000000080026009409"], 0x4c}}, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) program did not crash testing program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH-prlimit64-sched_setscheduler-preadv detailed listing: executing program 0: r0 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000380)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="010000000000000000006604000008000300", @ANYRES32=r2, @ANYBLOB="0800b70004000000080026009409"], 0x4c}}, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) preadv(0xffffffffffffffff, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash testing program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH-prlimit64-openat$hwrng-preadv detailed listing: executing program 0: r0 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000380)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="010000000000000000006604000008000300", @ANYRES32=r2, @ANYBLOB="0800b70004000000080026009409"], 0x4c}}, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r3 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r3, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash testing program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_CHANNEL_SWITCH-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: r0 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000380)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_CHANNEL_SWITCH(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000080)=ANY=[@ANYBLOB='L\x00\x00\x00', @ANYRES16=r0, @ANYBLOB="010000000000000000006604000008000300", @ANYRES32=r2, @ANYBLOB="0800b70004000000080026009409"], 0x4c}}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r3 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r3, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash testing program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000380)={'wlan0\x00'}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free testing program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) socket$nl_generic(0x10, 0x3, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r0, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash testing program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f0000000380)={'wlan0\x00'}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r0, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash testing program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000380)={'wlan0\x00'}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash testing program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f0000000380)={'wlan0\x00'}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash testing program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free testing program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash testing program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash testing program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, 0x0, 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash testing program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{0x0}], 0x1, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=48.25366294s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv program did not crash simplifying guilty program options testing program (duration=48.25366294s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free extracting C reproducer testing compiled C program (duration=48.25366294s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv program did not crash testing program (duration=48.25366294s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash testing program (duration=48.25366294s, {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}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash testing program (duration=48.25366294s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=48.25366294s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=48.25366294s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=48.25366294s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=48.25366294s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=48.25366294s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true testing program (duration=48.25366294s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=48.25366294s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=48.25366294s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true testing program (duration=48.25366294s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-prlimit64-sched_setscheduler-openat$hwrng-preadv detailed listing: executing program 0: syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000002c0), 0x0, 0x0) preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) program did not crash validation run: crashed=false reproducing took 38m13.041196569s repro crashed as (corrupted=false): unregister_netdevice: waiting for netdevsim3 to become free. Usage count = 2 leaked reference. __netdev_tracker_alloc include/linux/netdevice.h:4051 [inline] netdev_tracker_alloc include/linux/netdevice.h:4063 [inline] fib6_nh_init+0x61c/0x1a44 net/ipv6/route.c:3664 ip6_route_info_create+0x7b0/0xf78 net/ipv6/route.c:3845 addrconf_f6i_alloc+0x1a8/0x36c net/ipv6/route.c:4620 ipv6_add_addr+0x3c8/0xce0 net/ipv6/addrconf.c:1121 addrconf_add_linklocal+0x23c/0x608 net/ipv6/addrconf.c:3257 addrconf_addr_gen+0x3ec/0x4fc net/ipv6/addrconf.c:3388 addrconf_init_auto_addrs+0x5e0/0x94c net/ipv6/addrconf.c:-1 addrconf_notify+0x8c4/0xc8c net/ipv6/addrconf.c:3685 notifier_call_chain kernel/notifier.c:87 [inline] raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:455 call_netdevice_notifiers_info net/core/dev.c:2014 [inline] call_netdevice_notifiers_extack net/core/dev.c:2052 [inline] call_netdevice_notifiers net/core/dev.c:2066 [inline] __dev_notify_flags+0x250/0x480 net/core/dev.c:8702 dev_change_flags+0xc8/0x154 net/core/dev.c:8740 do_setlink+0xa5c/0x3434 net/core/rtnetlink.c:2833 __rtnl_newlink net/core/rtnetlink.c:3608 [inline] rtnl_newlink+0x13cc/0x1a50 net/core/rtnetlink.c:3655 rtnetlink_rcv_msg+0x698/0xcdc net/core/rtnetlink.c:6150 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168 netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 final repro crashed as (corrupted=false): unregister_netdevice: waiting for netdevsim3 to become free. Usage count = 2 leaked reference. __netdev_tracker_alloc include/linux/netdevice.h:4051 [inline] netdev_tracker_alloc include/linux/netdevice.h:4063 [inline] fib6_nh_init+0x61c/0x1a44 net/ipv6/route.c:3664 ip6_route_info_create+0x7b0/0xf78 net/ipv6/route.c:3845 addrconf_f6i_alloc+0x1a8/0x36c net/ipv6/route.c:4620 ipv6_add_addr+0x3c8/0xce0 net/ipv6/addrconf.c:1121 addrconf_add_linklocal+0x23c/0x608 net/ipv6/addrconf.c:3257 addrconf_addr_gen+0x3ec/0x4fc net/ipv6/addrconf.c:3388 addrconf_init_auto_addrs+0x5e0/0x94c net/ipv6/addrconf.c:-1 addrconf_notify+0x8c4/0xc8c net/ipv6/addrconf.c:3685 notifier_call_chain kernel/notifier.c:87 [inline] raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:455 call_netdevice_notifiers_info net/core/dev.c:2014 [inline] call_netdevice_notifiers_extack net/core/dev.c:2052 [inline] call_netdevice_notifiers net/core/dev.c:2066 [inline] __dev_notify_flags+0x250/0x480 net/core/dev.c:8702 dev_change_flags+0xc8/0x154 net/core/dev.c:8740 do_setlink+0xa5c/0x3434 net/core/rtnetlink.c:2833 __rtnl_newlink net/core/rtnetlink.c:3608 [inline] rtnl_newlink+0x13cc/0x1a50 net/core/rtnetlink.c:3655 rtnetlink_rcv_msg+0x698/0xcdc net/core/rtnetlink.c:6150 netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168 netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0