Extracting prog: 3m0.493237494s Minimizing prog: 2h24m6.209193539s Simplifying prog options: 12m4.934323857s Extracting C: 5m9.462075039s Simplifying C: 0s extracting reproducer from 71 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000540)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r4, 0x5425, 0x0) r5 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r5, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 17 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000540)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r4, 0x5425, 0x0) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000540)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r4, 0x5425, 0x0) ioctl$TCSETSW2(0xffffffffffffffff, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000540)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000540)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) ioctl$TCSBRKP(0xffffffffffffffff, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000540)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000540)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) read$msr(0xffffffffffffffff, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000540)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000540)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000540)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r4, 0x5425, 0x0) r5 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r5, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000540)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x2, 0x0) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000540)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-getpgrp-sched_setaffinity-sched_setscheduler-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000540)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r4, 0x5425, 0x0) r5 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r5, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000540)=0x5) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r4, 0x5425, 0x0) r5 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r5, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-getpgrp-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpgrp(0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r4, 0x5425, 0x0) r5 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r5, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) program crashed: INFO: task hung in rtnl_lock 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) program crashed: INFO: task hung in rtnl_lock 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_ctl$EPOLL_CTL_ADD-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) program crashed: INFO: task hung in synchronize_rcu 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) program crashed: INFO: task hung 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(0x0, 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, 0x0, 0x0) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) program did not crash testing 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine validation run: crashed=false 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) program crashed: INFO: task hung in rtnl_lock validation run: crashed=true 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) program crashed: INFO: task hung in synchronize_rcu validation run: crashed=true 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) program did not crash validation run: crashed=false 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) program did not crash validation run: crashed=false 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine validation run: crashed=false 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$ttyS3-ioctl$TCSBRKP-openat$ttyS3-ioctl$TCSETSW2 detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r1 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r1, 0x1, 0x0) r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8) r3 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TCSBRKP(r3, 0x5425, 0x0) r4 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCSETSW2(r4, 0x5408, &(0x7f0000000040)={0x2, 0x0, 0x0, 0x2, 0x0, "23f555d9adb42d4408020e90d1beaa82dc1ecf"}) program crashed: INFO: task hung in rtnl_lock validation run: crashed=true reproducing took 3h16m17.373063649s repro crashed as (corrupted=false): INFO: task kworker/u8:2:46 blocked for more than 126 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:2 state:D stack:0 pid:46 tgid:46 ppid:2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:6016 [inline] __schedule+0x134f/0x1ea0 kernel/sched/core.c:7864 __schedule_loop kernel/sched/core.c:7945 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7960 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8017 __mutex_lock_common kernel/locking/mutex.c:707 [inline] __mutex_lock+0x960/0x1bb0 kernel/locking/mutex.c:803 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1134 mutex_lock+0x113/0x1d0 kernel/locking/mutex.c:285 rtnl_lock+0x19/0x20 net/core/rtnetlink.c:79 addrconf_dad_work+0xce/0x1530 net/ipv6/addrconf.c:4234 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3319 worker_thread+0xc70/0x10b0 kernel/workqueue.c:3400 kthread+0x2c9/0x370 kernel/kthread.c:389 ret_from_fork+0x64/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/u8:3:359 blocked for more than 132 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:3 state:D stack:0 pid:359 tgid:359 ppid:2 flags:0x00004000 Workqueue: events_unbound linkwatch_event Call Trace: context_switch kernel/sched/core.c:6016 [inline] __schedule+0x134f/0x1ea0 kernel/sched/core.c:7864 __schedule_loop kernel/sched/core.c:7945 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7960 synchronize_rcu_expedited+0x6eb/0x970 kernel/rcu/tree_exp.h:994 synchronize_net+0x2c/0x40 net/core/dev.c:11387 dev_deactivate_many+0x6dd/0xbe0 net/sched/sch_generic.c:1380 dev_deactivate+0x121/0x1c0 net/sched/sch_generic.c:1406 final repro crashed as (corrupted=false): INFO: task kworker/u8:2:46 blocked for more than 126 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:2 state:D stack:0 pid:46 tgid:46 ppid:2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:6016 [inline] __schedule+0x134f/0x1ea0 kernel/sched/core.c:7864 __schedule_loop kernel/sched/core.c:7945 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7960 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8017 __mutex_lock_common kernel/locking/mutex.c:707 [inline] __mutex_lock+0x960/0x1bb0 kernel/locking/mutex.c:803 __mutex_lock_slowpath+0xe/0x20 kernel/locking/mutex.c:1134 mutex_lock+0x113/0x1d0 kernel/locking/mutex.c:285 rtnl_lock+0x19/0x20 net/core/rtnetlink.c:79 addrconf_dad_work+0xce/0x1530 net/ipv6/addrconf.c:4234 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3319 worker_thread+0xc70/0x10b0 kernel/workqueue.c:3400 kthread+0x2c9/0x370 kernel/kthread.c:389 ret_from_fork+0x64/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/u8:3:359 blocked for more than 132 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:3 state:D stack:0 pid:359 tgid:359 ppid:2 flags:0x00004000 Workqueue: events_unbound linkwatch_event Call Trace: context_switch kernel/sched/core.c:6016 [inline] __schedule+0x134f/0x1ea0 kernel/sched/core.c:7864 __schedule_loop kernel/sched/core.c:7945 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7960 synchronize_rcu_expedited+0x6eb/0x970 kernel/rcu/tree_exp.h:994 synchronize_net+0x2c/0x40 net/core/dev.c:11387 dev_deactivate_many+0x6dd/0xbe0 net/sched/sch_generic.c:1380 dev_deactivate+0x121/0x1c0 net/sched/sch_generic.c:1406