Extracting prog: 2m57.878292535s Minimizing prog: 2h45m39.401848657s Simplifying prog options: 0s Extracting C: 2m19.822009676s Simplifying C: 31m13.342842797s extracting reproducer from 45 programs testing a last program of every proc single: executing 10 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r2, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r2, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) connect$unix(r3, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) r4 = socket$unix(0x1, 0x1, 0x0) connect$unix(r4, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 20 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-socket$unix-connect$unix-fcntl$lock-mprotect detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r2, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r2, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) connect$unix(r3, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) r4 = socket$unix(0x1, 0x1, 0x0) connect$unix(r4, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-socket$unix-connect$unix-fcntl$lock-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r2, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r2, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) connect$unix(r3, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) r4 = socket$unix(0x1, 0x1, 0x0) connect$unix(r4, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-socket$unix-connect$unix-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r2, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r2, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) connect$unix(r3, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) r4 = socket$unix(0x1, 0x1, 0x0) connect$unix(r4, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-socket$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r2, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r2, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) connect$unix(r3, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) socket$unix(0x1, 0x1, 0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r2, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r2, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) connect$unix(r3, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) connect$unix(0xffffffffffffffff, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r2, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r2, 0x0) socket$unix(0x1, 0x1, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) connect$unix(r3, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) program crashed: WARNING in rcu_check_gp_start_stall 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r2, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r2, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) connect$unix(r3, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in worker_thread 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r2, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) r3 = socket$unix(0x1, 0x1, 0x0) connect$unix(r3, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-socket$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r2 = socket$unix(0x1, 0x1, 0x0) listen(r2, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) connect$unix(r3, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) bind$unix(0xffffffffffffffff, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(0xffffffffffffffff, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) connect$unix(r2, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r2, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r2, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) connect$unix(r3, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r2, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r2, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) connect$unix(r3, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) getpid() prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) connect$unix(r2, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in schedule_timeout 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) connect$unix(r2, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted 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}}): unshare-socket$inet6_tcp-listen-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) connect$unix(r2, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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}}): unshare-socket$inet6_tcp-listen-prlimit64-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) connect$unix(r2, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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}}): unshare-socket$inet6_tcp-listen-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x3) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r1 = socket$unix(0x1, 0x1, 0x0) bind$unix(r1, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r1, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) connect$unix(r2, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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}}): unshare-socket$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) socket$inet6_tcp(0xa, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r0, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) connect$unix(r1, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted 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}}): unshare-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: unshare(0x20000400) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r0, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) connect$unix(r1, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r0, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) connect$unix(r1, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted 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$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r0, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) connect$unix(r1, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r0, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) connect$unix(r1, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, 0x0, &(0x7f0000000300)) r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r0, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) connect$unix(r1, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r0, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) connect$unix(r1, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, 0x0, 0x0) listen(r0, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) connect$unix(r1, &(0x7f0000000000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r0, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) connect$unix(r1, 0x0, 0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in kthread 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$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r0, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) connect$unix(r1, 0x0, 0x0) fcntl$lock(0xffffffffffffffff, 0x24, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 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$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r0, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) connect$unix(r1, 0x0, 0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, 0x0, 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$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in worker_thread simplifying 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$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in schedule_timeout testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in schedule_timeout testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r0, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) connect$unix(r1, 0x0, 0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r0, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) connect$unix(r1, 0x0, 0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet6_tcp(0xa, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8000}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e) listen(r0, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) connect$unix(r1, 0x0, 0x0) fcntl$lock(0xffffffffffffffff, 0x24, &(0x7f0000000040)={0x0, 0x0, 0x10001, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true reproducing took 3h30m35.692245874s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 0, t=10502 jiffies, g=12297, q=776 ncpus=2) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294960209-4294949707), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g12297 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:26920 pid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5380 [inline] __schedule+0x14d2/0x44d0 kernel/sched/core.c:6699 preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6866 preempt_schedule+0xab/0xc0 kernel/sched/core.c:6890 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0xfa/0x110 kernel/locking/spinlock.c:194 __try_to_del_timer_sync+0x1d2/0x280 kernel/time/timer.c:1422 __timer_delete_sync+0x1ff/0x2c0 kernel/time/timer.c:1574 timer_delete_sync kernel/time/timer.c:1629 [inline] del_timer_sync include/linux/timer.h:200 [inline] schedule_timeout+0x16a/0x280 kernel/time/timer.c:2169 rcu_gp_fqs_loop+0x302/0x1560 kernel/rcu/tree.c:1667 rcu_gp_kthread+0x99/0x380 kernel/rcu/tree.c:1866 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 6091 Comm: syz.2.59 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:89 [inline] RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:107 [inline] RIP: 0010:lock_release+0x134/0x8b0 kernel/locking/lockdep.c:5770 Code: e8 03 42 0f b6 04 28 84 c0 0f 85 20 05 00 00 83 3b 00 0f 85 51 04 00 00 4c 89 74 24 10 48 c7 84 24 a0 00 00 00 00 00 00 00 9c <8f> 84 24 a0 00 00 00 48 8b 84 24 a0 00 00 00 48 89 44 24 50 fa 48 RSP: 0018:ffffc900037d7ab8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff888027870adc RCX: 33345938d100e900 RDX: 0000000000000000 RSI: ffffffff8afc6f60 RDI: ffffffff8afc6f20 RBP: ffffc900037d7bc8 R08: ffffffff8e4a212f R09: 1ffffffff1c94425 R10: dffffc0000000000 R11: fffffbfff1c94426 R12: ffffffff81c90e2a R13: dffffc0000000000 R14: ffff888027870000 R15: 1ffff920006faf64 FS: 00007f60eec146c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3f04726830 CR3: 000000007986f000 CR4: 00000000003506e0 Call Trace: _copy_from_user+0x2a/0xe0 lib/usercopy.c:14 copy_from_user include/linux/uaccess.h:183 [inline] restore_altstack+0x9e/0x4a0 kernel/signal.c:4290 __ia32_sys_rt_sigreturn+0x1f6/0x7b0 arch/x86/kernel/signal_64.c:263 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f60edd2b829 Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25 RSP: 002b:00007f60eec13b40 EFLAGS: 00000206 ORIG_RAX: 000000000000000f RAX: ffffffffffffffda RBX: 00007f60edfe5fa8 RCX: 00007f60edd2b829 RDX: 00007f60eec13b40 RSI: 00007f60eec13c70 RDI: 0000000000000021 RBP: 00007f60edfe5fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007f60edfe6038 R14: 00007ffc5b235040 R15: 00007ffc5b235128 report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_tcp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-prctl$PR_SCHED_CORE-timer_create-socket$unix-bind$unix-listen-socket$unix-connect$unix-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in schedule_timeout final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 0, t=10502 jiffies, g=8529, q=59 ncpus=2) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955450-4294944948), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g8529 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27752 pid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5380 [inline] __schedule+0x14d2/0x44d0 kernel/sched/core.c:6699 preempt_schedule_irq+0xb5/0x140 kernel/sched/core.c:7009 irqentry_exit+0x67/0x70 kernel/entry/common.c:438 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:__timer_delete_sync+0x191/0x2c0 kernel/time/timer.c:1564 Code: 61 10 00 49 89 dc 4d 85 f6 48 bb 00 00 00 00 00 fc ff df 75 07 e8 ff 60 10 00 eb 06 e8 f8 60 10 00 fb 65 44 8b 35 f7 85 8e 7e <44> 89 f6 81 e6 00 00 0f 00 31 ff e8 8f 64 10 00 41 81 e6 00 00 0f RSP: 0018:ffffc90000167aa0 EFLAGS: 00000293 RAX: ffffffff81752fc8 RBX: dffffc0000000000 RCX: ffff88801ba60000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000167b70 R08: ffffffff8e4a212f R09: 1ffffffff1c94425 R10: dffffc0000000000 R11: fffffbfff1c94426 R12: ffffc90000167ba0 R13: 1ffff9200002cf58 R14: 0000000080000000 R15: 0000000000000000 timer_delete_sync kernel/time/timer.c:1629 [inline] del_timer_sync include/linux/timer.h:200 [inline] schedule_timeout+0x16a/0x280 kernel/time/timer.c:2169 rcu_gp_fqs_loop+0x302/0x1560 kernel/rcu/tree.c:1667 rcu_gp_kthread+0x99/0x380 kernel/rcu/tree.c:1866 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 5793 Comm: syz-executor309 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:check_preemption_disabled+0x6/0x110 lib/smp_processor_id.c:13 Code: cc cc cc cc f3 0f 1e fa 48 c7 c7 20 6f fc 8a 48 c7 c6 60 6f fc 8a eb 0c 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 41 57 41 56 53 <48> 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 65 8b 05 2d RSP: 0018:ffffc900044afa70 EFLAGS: 00000046 RAX: 0000000000000001 RBX: ffff888078753c00 RCX: a5300f7617abba00 RDX: 0000000000000000 RSI: ffffffff8aaace60 RDI: ffffffff8afc6f80 RBP: 0000000000000000 R08: ffffc900044afcdf R09: 0000000000000000 R10: ffffc900044afcc0 R11: fffff52000895f9c R12: dffffc0000000000 R13: 0000000000000246 R14: ffffffff8cd2ffe0 R15: 00000000ffffffff FS: 00007fbb6f1d56c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbb6f241720 CR3: 000000007b3d8000 CR4: 00000000003506e0 Call Trace: lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline] lock_is_held_type+0x104/0x190 kernel/locking/lockdep.c:5826 lock_is_held include/linux/lockdep.h:288 [inline] __might_resched+0xf6/0x610 kernel/sched/core.c:10170 __might_fault+0x71/0x120 mm/memory.c:5966 clear_rseq_cs kernel/rseq.c:279 [inline] rseq_ip_fixup kernel/rseq.c:313 [inline] __rseq_handle_notify_resume+0x563/0x1170 kernel/rseq.c:351 rseq_handle_notify_resume include/linux/sched.h:2364 [inline] rseq_signal_deliver include/linux/sched.h:2372 [inline] setup_rt_frame arch/x86/kernel/signal.c:212 [inline] handle_signal arch/x86/kernel/signal.c:267 [inline] arch_do_signal_or_restart+0x3bb/0x7b0 arch/x86/kernel/signal.c:312 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xf6/0x180 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fbb6f215057 Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 RSP: 002b:00007fbb6f1d5178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 00000000000000ca RBX: 00007fbb6f29f328 RCX: 00007fbb6f215059 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fbb6f29f328 RBP: 00007fbb6f29f320 R08: 00007fbb6f1d56c0 R09: 00007fbb6f1d56c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbb6f29f32c R13: 0000000000000000 R14: 00007ffcd8b16ae0 R15: 00007ffcd8b16bc8