Extracting prog: 3m44.590407853s
Minimizing prog: 1h30m59.167218202s
Simplifying prog options: 0s
Extracting C: 2m16.624180356s
Simplifying C: 50m51.929730392s


extracting reproducer from 30 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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sndseq-prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix-pipe-splice-syz_mount_image$ext4-open-chdir-rename-rmdir
detailed listing:
executing program 0:
openat$sndseq(0xffffffffffffff9c, &(0x7f00000006c0), 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
splice(r1, 0x0, r2, 0x0, 0x8000f28, 0x0)
syz_mount_image$ext4(&(0x7f0000000b80)='ext4\x00', &(0x7f0000000bc0)='./file0\x00', 0x0, &(0x7f0000000c00), 0x1, 0xb80, &(0x7f0000000c40)="$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")
open(0x0, 0x64842, 0x86)
chdir(&(0x7f0000000540)='./file0\x00')
rename(&(0x7f0000000180)='./file0/file0\x00', &(0x7f00000002c0)='./file1\x00')
rmdir(&(0x7f0000000480)='./file0\x00')

program crashed: INFO: rcu detected stall in rt_sigreturn
single: successfully extracted reproducer
found reproducer with 15 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sndseq-prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix-pipe-splice-syz_mount_image$ext4-open-chdir-rename
detailed listing:
executing program 0:
openat$sndseq(0xffffffffffffff9c, &(0x7f00000006c0), 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
splice(r1, 0x0, r2, 0x0, 0x8000f28, 0x0)
syz_mount_image$ext4(&(0x7f0000000b80)='ext4\x00', &(0x7f0000000bc0)='./file0\x00', 0x0, &(0x7f0000000c00), 0x1, 0xb80, &(0x7f0000000c40)="$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")
open(0x0, 0x64842, 0x86)
chdir(&(0x7f0000000540)='./file0\x00')
rename(&(0x7f0000000180)='./file0/file0\x00', &(0x7f00000002c0)='./file1\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sndseq-prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix-pipe-splice-syz_mount_image$ext4-open-chdir
detailed listing:
executing program 0:
openat$sndseq(0xffffffffffffff9c, &(0x7f00000006c0), 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
splice(r1, 0x0, r2, 0x0, 0x8000f28, 0x0)
syz_mount_image$ext4(&(0x7f0000000b80)='ext4\x00', &(0x7f0000000bc0)='./file0\x00', 0x0, &(0x7f0000000c00), 0x1, 0xb80, &(0x7f0000000c40)="$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")
open(0x0, 0x64842, 0x86)
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sndseq-prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix-pipe-splice-syz_mount_image$ext4-open
detailed listing:
executing program 0:
openat$sndseq(0xffffffffffffff9c, &(0x7f00000006c0), 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
splice(r1, 0x0, r2, 0x0, 0x8000f28, 0x0)
syz_mount_image$ext4(&(0x7f0000000b80)='ext4\x00', &(0x7f0000000bc0)='./file0\x00', 0x0, &(0x7f0000000c00), 0x1, 0xb80, &(0x7f0000000c40)="$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")
open(0x0, 0x64842, 0x86)

program crashed: no output from test machine
suppressed program crash: no output from test machine
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sndseq-prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix-pipe-splice-syz_mount_image$ext4-chdir
detailed listing:
executing program 0:
openat$sndseq(0xffffffffffffff9c, &(0x7f00000006c0), 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
splice(r1, 0x0, r2, 0x0, 0x8000f28, 0x0)
syz_mount_image$ext4(&(0x7f0000000b80)='ext4\x00', &(0x7f0000000bc0)='./file0\x00', 0x0, &(0x7f0000000c00), 0x1, 0xb80, &(0x7f0000000c40)="$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")
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sndseq-prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix-pipe-splice-chdir
detailed listing:
executing program 0:
openat$sndseq(0xffffffffffffff9c, &(0x7f00000006c0), 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
pipe(&(0x7f0000000200)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
splice(r1, 0x0, r2, 0x0, 0x8000f28, 0x0)
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sndseq-prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix-pipe-chdir
detailed listing:
executing program 0:
openat$sndseq(0xffffffffffffff9c, &(0x7f00000006c0), 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240))
pipe(&(0x7f0000000200))
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sndseq-prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-socketpair$unix-chdir
detailed listing:
executing program 0:
openat$sndseq(0xffffffffffffff9c, &(0x7f00000006c0), 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240))
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sndseq-prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime-chdir
detailed listing:
executing program 0:
openat$sndseq(0xffffffffffffff9c, &(0x7f00000006c0), 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sndseq-prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-chdir
detailed listing:
executing program 0:
openat$sndseq(0xffffffffffffff9c, &(0x7f00000006c0), 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sndseq-prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_settime-chdir
detailed listing:
executing program 0:
openat$sndseq(0xffffffffffffff9c, &(0x7f00000006c0), 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000000)=0x4)
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sndseq-prlimit64-sched_setscheduler-getpid-timer_create-timer_settime-chdir
detailed listing:
executing program 0:
openat$sndseq(0xffffffffffffff9c, &(0x7f00000006c0), 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
getpid()
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
chdir(&(0x7f0000000540)='./file0\x00')

program crashed: INFO: rcu detected stall in rt_sigreturn
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sndseq-prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
detailed listing:
executing program 0:
openat$sndseq(0xffffffffffffff9c, &(0x7f00000006c0), 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sndseq-prlimit64-timer_create-timer_settime-chdir
detailed listing:
executing program 0:
openat$sndseq(0xffffffffffffff9c, &(0x7f00000006c0), 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sndseq-sched_setscheduler-timer_create-timer_settime-chdir
detailed listing:
executing program 0:
openat$sndseq(0xffffffffffffff9c, &(0x7f00000006c0), 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, 0x0, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, 0x0)
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, 0x0, 0x0)
chdir(&(0x7f0000000540)='./file0\x00')

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x9)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
chdir(0x0)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
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:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
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:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
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:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
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:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
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:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
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:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
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:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
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: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:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
program crashed: INFO: rcu detected stall in sys_openat
a never seen crash title: INFO: rcu detected stall in sys_openat, 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:false 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:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime-chdir
program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
reproducing took 2h27m52.311574723s
repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=6401, q=51)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294962696-4294952194), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g6401 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:26776 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 1
CPU: 1 PID: 4208 Comm: syz-executor118 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:487
 print_other_cpu_stall+0x137a/0x14d0 kernel/rcu/tree_stall.h:592
 check_cpu_stall kernel/rcu/tree_stall.h:745 [inline]
 rcu_pending kernel/rcu/tree.c:3932 [inline]
 rcu_sched_clock_irq+0xa38/0x1150 kernel/rcu/tree.c:2619
 update_process_times+0x196/0x200 kernel/time/timer.c:1818
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1690 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1754
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1816
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:lock_acquire+0x252/0x4f0 kernel/locking/lockdep.c:5627
Code: 2b 00 74 08 4c 89 f7 e8 1c 9b 67 00 f6 44 24 61 02 0f 85 84 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc90002f0fac0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920005e1f64 RCX: ffffffff81635202
RDX: dffffc0000000000 RSI: ffffffff8aab2b80 RDI: ffffffff8af9e940
RBP: ffffc90002f0fc10 R08: dffffc0000000000 R09: fffffbfff213181f
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920005e1f60
R13: dffffc0000000000 R14: ffffc90002f0fb20 R15: 0000000000000246
 __might_fault+0xb4/0x110 mm/memory.c:5357
 __clear_user arch/x86/lib/usercopy_64.c:20 [inline]
 clear_user+0xc2/0x150 arch/x86/lib/usercopy_64.c:54
 copy_siginfo_to_user+0x57/0x80 kernel/signal.c:3369
 __setup_rt_frame arch/x86/kernel/signal.c:490 [inline]
 setup_rt_frame arch/x86/kernel/signal.c:780 [inline]
 handle_signal arch/x86/kernel/signal.c:824 [inline]
 arch_do_signal_or_restart+0xcf1/0x12b0 arch/x86/kernel/signal.c:869
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0x80 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc716c7eb19
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff448ab148 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fc716c7eb19
RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00007fc716c3e990 R09: 00007fc716c3e990
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc716cdc51c
R13: 00007fc716cd6189 R14: 00007fff448ab180 R15: 0000000000000000
 </TASK>

final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=6401, q=51)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294962696-4294952194), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g6401 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:26776 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
NMI backtrace for cpu 1
CPU: 1 PID: 4208 Comm: syz-executor118 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:487
 print_other_cpu_stall+0x137a/0x14d0 kernel/rcu/tree_stall.h:592
 check_cpu_stall kernel/rcu/tree_stall.h:745 [inline]
 rcu_pending kernel/rcu/tree.c:3932 [inline]
 rcu_sched_clock_irq+0xa38/0x1150 kernel/rcu/tree.c:2619
 update_process_times+0x196/0x200 kernel/time/timer.c:1818
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1690 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1754
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1816
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:lock_acquire+0x252/0x4f0 kernel/locking/lockdep.c:5627
Code: 2b 00 74 08 4c 89 f7 e8 1c 9b 67 00 f6 44 24 61 02 0f 85 84 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc90002f0fac0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920005e1f64 RCX: ffffffff81635202
RDX: dffffc0000000000 RSI: ffffffff8aab2b80 RDI: ffffffff8af9e940
RBP: ffffc90002f0fc10 R08: dffffc0000000000 R09: fffffbfff213181f
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920005e1f60
R13: dffffc0000000000 R14: ffffc90002f0fb20 R15: 0000000000000246
 __might_fault+0xb4/0x110 mm/memory.c:5357
 __clear_user arch/x86/lib/usercopy_64.c:20 [inline]
 clear_user+0xc2/0x150 arch/x86/lib/usercopy_64.c:54
 copy_siginfo_to_user+0x57/0x80 kernel/signal.c:3369
 __setup_rt_frame arch/x86/kernel/signal.c:490 [inline]
 setup_rt_frame arch/x86/kernel/signal.c:780 [inline]
 handle_signal arch/x86/kernel/signal.c:824 [inline]
 arch_do_signal_or_restart+0xcf1/0x12b0 arch/x86/kernel/signal.c:869
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0x80 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc716c7eb19
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff448ab148 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fc716c7eb19
RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00007fc716c3e990 R09: 00007fc716c3e990
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc716cdc51c
R13: 00007fc716cd6189 R14: 00007fff448ab180 R15: 0000000000000000
 </TASK>