Extracting prog: 17m48.492301868s
Minimizing prog: 1h47m46.409445887s
Simplifying prog options: 0s
Extracting C: 2m20.450565233s
Simplifying C: 1h2m43.169840923s


extracting reproducer from 30 programs
testing a last program of every proc
single: executing 5 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-fsconfig$FSCONFIG_CMD_CREATE-fchdir-ftruncate-close-open-fcntl$notify-semtimedop-syz_mount_image$nilfs2
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6)
fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0)
fchdir(0xffffffffffffffff)
ftruncate(0xffffffffffffffff, 0x2007ffb)
close(0xffffffffffffffff)
r3 = open(&(0x7f0000000280)='.\x00', 0x0, 0x0)
fcntl$notify(r3, 0x402, 0x8000003d)
semtimedop(0x0, &(0x7f0000000100)=[{0x4, 0x1004, 0x1800}], 0x1, 0x0)
syz_mount_image$nilfs2(&(0x7f0000000ec0), &(0x7f0000000f00)='./bus\x00', 0x3210052, &(0x7f0000000880)={[{}, {@nodiscard}, {@norecovery}, {@errors_continue}, {}, {@norecovery}, {@norecovery}, {@errors_remount_ro}], [], 0x2c}, 0x3, 0xf0b, &(0x7f0000001e40)="$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")

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-sched_setaffinity-getpid-socketpair$unix-connect$unix-sendmmsg$unix-syz_open_dev$sndctrl-recvmmsg-sched_setaffinity-socketpair$unix-ioprio_get$uid-socket$inet6_tcp
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000040)={0x8, 0xffffffffffffffff}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
getpid()
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000001480)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
connect$unix(r0, &(0x7f00000004c0)=@file={0x0, './file0\x00'}, 0x6e)
sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0)
syz_open_dev$sndctrl(&(0x7f0000000580), 0xc290, 0x40)
recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
ioprio_get$uid(0x3, 0x0)
socket$inet6_tcp(0xa, 0x1, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-sched_setaffinity-getpid-timerfd_create-read-clock_adjtime-timer_create-mprotect-timer_settime-socket$inet6-recvmmsg
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
sched_setaffinity(0x0, 0x0, 0x0)
getpid()
r0 = timerfd_create(0x0, 0x0)
read(r0, &(0x7f0000000240)=""/123, 0x7b)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r1=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
r2 = socket$inet6(0xa, 0x2, 0x0)
recvmmsg(r2, &(0x7f00000003c0)=[{{0x0, 0x0, 0x0}, 0xa248}], 0x1, 0x40000000, 0x0)

program crashed: INFO: rcu detected stall in batadv_nc_worker
single: successfully extracted reproducer
found reproducer with 12 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-sched_setaffinity-getpid-timerfd_create-read-clock_adjtime-timer_create-mprotect-timer_settime-socket$inet6
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
sched_setaffinity(0x0, 0x0, 0x0)
getpid()
r0 = timerfd_create(0x0, 0x0)
read(r0, &(0x7f0000000240)=""/123, 0x7b)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r1=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)
socket$inet6(0xa, 0x2, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-sched_setaffinity-getpid-timerfd_create-read-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
sched_setaffinity(0x0, 0x0, 0x0)
getpid()
r0 = timerfd_create(0x0, 0x0)
read(r0, &(0x7f0000000240)=""/123, 0x7b)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r1=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-sched_setaffinity-getpid-timerfd_create-read-clock_adjtime-timer_create-mprotect
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
sched_setaffinity(0x0, 0x0, 0x0)
getpid()
r0 = timerfd_create(0x0, 0x0)
read(r0, &(0x7f0000000240)=""/123, 0x7b)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300))
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-sched_setaffinity-getpid-timerfd_create-read-clock_adjtime-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
sched_setaffinity(0x0, 0x0, 0x0)
getpid()
r0 = timerfd_create(0x0, 0x0)
read(r0, &(0x7f0000000240)=""/123, 0x7b)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r1=>0x0)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-sched_setaffinity-getpid-timerfd_create-read-clock_adjtime-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
sched_setaffinity(0x0, 0x0, 0x0)
getpid()
r0 = timerfd_create(0x0, 0x0)
read(r0, &(0x7f0000000240)=""/123, 0x7b)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-sched_setaffinity-getpid-timerfd_create-read-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
sched_setaffinity(0x0, 0x0, 0x0)
getpid()
r0 = timerfd_create(0x0, 0x0)
read(r0, &(0x7f0000000240)=""/123, 0x7b)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r1=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-sched_setaffinity-getpid-timerfd_create-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
sched_setaffinity(0x0, 0x0, 0x0)
getpid()
timerfd_create(0x0, 0x0)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r0=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-sched_setaffinity-getpid-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
sched_setaffinity(0x0, 0x0, 0x0)
getpid()
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r0=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-sched_setaffinity-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
sched_setaffinity(0x0, 0x0, 0x0)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r0=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program crashed: INFO: rcu detected stall in validate_mm
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r0=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r0=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r0=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r0=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r0=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
clock_adjtime(0x5, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r0=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, 0x0, &(0x7f0000000300)=<r0=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r0=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r0, 0x1, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
program crashed: INFO: rcu detected stall in corrupted
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-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:false Repeat:true RepeatTimes:0 Procs:5 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}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-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:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
program crashed: INFO: rcu detected stall in sys_munmap
a never seen crash title: INFO: rcu detected stall in sys_munmap, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false 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}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false 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}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false 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}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-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:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true 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-clock_adjtime-timer_create-mprotect-timer_settime
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-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:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-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:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r0=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r0=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program crashed: WARNING in rcu_check_gp_start_stall
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
clock_adjtime(0x5, &(0x7f0000000000)={0x3ff, 0x0, 0x0, 0x65, 0x0, 0x0, 0x0, 0x2, 0x0, 0x100, 0x0, 0x800, 0x9, 0x0, 0x100, 0xfffffffffffffffd, 0x0, 0x0, 0x1000, 0x100000001, 0x2, 0x1ff, 0x0, 0x3})
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2}, &(0x7f0000000300)=<r0=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
reproducing took 3h19m33.811988514s
repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (10499 ticks this GP) idle=9fe4/1/0x4000000000000000 softirq=10322/10322 fqs=22
	(t=10501 jiffies g=9637 q=660 ncpus=2)
rcu: rcu_preempt kthread starved for 10456 jiffies! g9637 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:27888 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0x107f/0x4030 kernel/sched/core.c:6562
 schedule+0xb9/0x180 kernel/sched/core.c:6638
 schedule_timeout+0x184/0x2d0 kernel/time/timer.c:2168
 rcu_gp_fqs_loop+0x303/0x1350 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0x99/0x3b0 kernel/rcu/tree.c:1905
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4463 Comm: syz.2.19 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:check_region_inline mm/kasan/generic.c:-1 [inline]
RIP: 0010:kasan_check_range+0xc/0x290 mm/kasan/generic.c:189
Code: c0 c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc cc 00 00 cc cc b0 01 48 85 f6 0f 84 ac 01 00 00 55 <41> 57 41 56 41 54 53 49 89 f8 49 01 f0 0f 82 0e 02 00 00 49 89 f8
RSP: 0018:ffffc900034f7630 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 0000000000000060 RCX: ffffffff8163fe44
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90b10248
RBP: ffffc900034f7870 R08: dffffc0000000000 R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff1c42436 R12: 0000000000000008
R13: ffff88802dc43c00 R14: 0000000000000000 R15: ffff88802dc44728
FS:  00005555819b0500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000058 CR3: 000000005aa6a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 hlock_class kernel/locking/lockdep.c:228 [inline]
 check_wait_context kernel/locking/lockdep.c:4728 [inline]
 __lock_acquire+0x544/0x7c40 kernel/locking/lockdep.c:5013
 lock_acquire+0x1bb/0x4a0 kernel/locking/lockdep.c:5676
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xb0/0x100 kernel/locking/spinlock.c:162
 lock_hrtimer_base kernel/time/hrtimer.c:180 [inline]
 hrtimer_start_range_ns+0xec/0x1060 kernel/time/hrtimer.c:1347
 posixtimer_rearm+0x12a/0x340 kernel/time/posix-timers.c:329
 dequeue_signal+0x1ba/0x4a0 kernel/signal.c:704
 get_signal+0x531/0x1340 kernel/signal.c:2752
 arch_do_signal_or_restart+0xc4/0x1310 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ffa8a99de99
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe2956c578 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007ffa8ac25fa0 RCX: 00007ffa8a99de99
RDX: 0000200000000040 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 00007ffa8aa33eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffa8ac25fac R14: 00007ffa8ac25fa0 R15: 00007ffa8ac25fa0
 </TASK>
CPU: 1 PID: 4459 Comm: syz.1.25 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: 00 00 00 66 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 de 0d 2a f7 48 89 df e8 66 d5 2a f7 e8 41 1f 4e f7 fb bf 01 00 00 00 <e8> c6 56 1e f7 65 8b 05 c7 07 c8 75 85 c0 74 02 5b c3 e8 d4 1b c6
RSP: 0018:ffffc90003457b98 EFLAGS: 00000282
RAX: edc789ccbbae2d00 RBX: ffff88805a670940 RCX: edc789ccbbae2d00
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffff88805a670943 R09: 1ffff1100b4ce128
R10: dffffc0000000000 R11: ffffed100b4ce129 R12: 0000000000000021
R13: ffff88805a670dd8 R14: dffffc0000000000 R15: 000000001c000004
FS:  000055558ab1a500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000058 CR3: 000000007def6000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 get_signal+0x114a/0x1340 kernel/signal.c:2875
 arch_do_signal_or_restart+0xc4/0x1310 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd65379de99
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffefeb77e18 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007fd653a25fa0 RCX: 00007fd65379de99
RDX: 0000200000000040 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 00007fd653833eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd653a25fac R14: 00007fd653a25fa0 R15: 00007fd653a25fa0
 </TASK>
sched: RT throttling activated

report is corrupted, running repro again
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
program crashed: INFO: rcu detected stall in corrupted
report is corrupted, running repro again
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
program crashed: INFO: rcu detected stall in corrupted
report is corrupted, running repro again
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-clock_adjtime-timer_create-mprotect-timer_settime
program crashed: INFO: rcu detected stall in corrupted
final repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=9445, q=383 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294956503-4294946001), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g9445 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:26928 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0x107f/0x4030 kernel/sched/core.c:6562
 schedule+0xb9/0x180 kernel/sched/core.c:6638
 schedule_timeout+0x184/0x2d0 kernel/time/timer.c:2168
 rcu_gp_fqs_loop+0x303/0x1350 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0x99/0x3b0 kernel/rcu/tree.c:1905
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 4347 Comm: syz-executor241 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: 00 00 00 66 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 de 0d 2a f7 48 89 df e8 66 d5 2a f7 e8 41 1f 4e f7 fb bf 01 00 00 00 <e8> c6 56 1e f7 65 8b 05 c7 07 c8 75 85 c0 74 02 5b c3 e8 d4 1b c6
RSP: 0018:ffffc90004587b98 EFLAGS: 00000282
RAX: a33c9b3633a08d00 RBX: ffff888075fb1bc0 RCX: a33c9b3633a08d00
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffff888075fb1bc3 R09: 1ffff1100ebf6378
R10: dffffc0000000000 R11: ffffed100ebf6379 R12: 0000000000000021
R13: ffff888075fb2058 R14: dffffc0000000000 R15: 000000001c000004
FS:  000055556dd4f480(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000058 CR3: 000000007dbb6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 get_signal+0x114a/0x1340 kernel/signal.c:2875
 arch_do_signal_or_restart+0xc4/0x1310 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f4f729a7289
Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 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 d0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe719e69f8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f4f729a7289
RDX: 0000200000000040 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f4f72a224a9
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f72a224a9
R13: 0000000000000001 R14: 00007ffe719e6a40 R15: 0000000000000000
 </TASK>