Extracting prog: 7m50.921869224s
Minimizing prog: 2h2m24.925340488s
Simplifying prog options: 0s
Extracting C: 3m8.619285839s
Simplifying C: 54m31.773643508s


extracting reproducer from 1 programs
testing a last program of every proc
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0)

program crashed: INFO: task hung in ima_file_free
program crashed: INFO: task hung in ima_file_free
single: successfully extracted reproducer
found reproducer with 9 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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)

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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
ftruncate(0xffffffffffffffff, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mkdir-mount$overlay-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mkdir-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(0x0, 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(0x0, 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(0x0, 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, 0x0, &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', 0x0, 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080))
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(0x0)
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, 0x0)
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(0x0, 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(0x0, 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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: INFO: task hung in ima_file_free
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: INFO: task hung in ima_file_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection: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}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: INFO: task hung in ima_file_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: INFO: task hung in ima_file_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: INFO: task hung in ima_file_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: INFO: task hung in ima_file_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: INFO: task hung in ima_file_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: INFO: task hung in ima_file_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: INFO: task hung in ima_file_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: INFO: task hung in ima_file_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: INFO: task hung in ima_file_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: INFO: task hung in ima_file_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: INFO: task hung in ima_file_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: INFO: task hung in ima_file_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
program crashed: INFO: task hung in ima_file_free
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0)

program crashed: INFO: task hung in ima_file_free
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0)

program crashed: INFO: task hung in ima_file_free
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 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:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mkdir-mkdir-mount$overlay-chdir-setrlimit-open-ftruncate-open
detailed listing:
executing program 0:
mkdir(&(0x7f0000000580)='./file0\x00', 0x0)
mkdir(&(0x7f0000000200)='./bus\x00', 0x6c)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
chdir(&(0x7f0000000140)='./bus\x00')
setrlimit(0x1, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff})
r0 = open(&(0x7f00000000c0)='./bus\x00', 0xca942, 0x0)
ftruncate(r0, 0x8002007ffb)
open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0)

program crashed: INFO: task hung in ima_file_free
validation run: crashed=true
reproducing took 3h19m23.095434102s
repro crashed as (corrupted=false):
INFO: task syz.0.17:5944 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.17        state:D stack:25800 pid:5944  tgid:5944  ppid:5791   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x171d/0x56f0 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7724
 rt_mutex_slowlock_block+0x540/0x6a0 kernel/locking/rtmutex.c:1670
 __rt_mutex_slowlock kernel/locking/rtmutex.c:1747 [inline]
 __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1787 [inline]
 rt_mutex_slowlock+0x2d4/0x780 kernel/locking/rtmutex.c:1827
 __rt_mutex_lock kernel/locking/rtmutex.c:1842 [inline]
 __mutex_lock_common kernel/locking/rtmutex_api.c:562 [inline]
 mutex_lock_nested+0x163/0x1d0 kernel/locking/rtmutex_api.c:580
 ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
 security_file_release+0x85/0x110 security/security.c:2446
 __fput+0x37c/0xa70 fs/file_table.c:506
 fput_close_sync+0x11f/0x240 fs/file_table.c:618
 filp_close_sync+0x6e/0xa0 fs/open.c:1573
 __range_close fs/file.c:919 [inline]
 __do_sys_close_range fs/file.c:1003 [inline]
 __se_sys_close_range+0xa7d/0xef0 fs/file.c:954
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd85296f559
RSP: 002b:00007ffcaa8fb588 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: ffffffffffffffda RBX: 00007fd852bf7da0 RCX: 00007fd85296f559
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fd852bf7da0 R08: 0000000000000006 R09: 0000000000000000
R10: 00007fd852bf7cb0 R11: 0000000000000246 R12: 000000000001b8bb
R13: 00007fd852bf5fac R14: 000000000001b5c2 R15: 00007ffcaa8fb690
 </TASK>

Showing all locks held in the system:
locks held by pr/ttyS0/38: 2, last CPU#0:
 #0: ffffffff8f29b018 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:314 [inline]
 #0: ffffffff8f29b018 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:493 [inline]
 #0: ffffffff8f29b018 (console_srcu){....}-{0:0}, at: console_srcu_read_lock+0x30/0x60 kernel/printk/printk.c:291
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400 kernel/locking/spinlock_rt.c:57
locks held by khungtaskd/39: 1, last CPU#0:
 #0: ffff
 #0: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #0: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6871
locks held by kworker/u8:6/160: 8, last CPU#1:
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline]
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578
 #1: ffffc9000421fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #1: ffffc9000421fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffffc9000421fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline]
 #1: ffffc9000421fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578
 #2: ffff88805f840938 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline]
 #2: ffff88805f840938 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x420 net/wireless/core.c:596
 #3: ffffffff8f255b40 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186
 #4: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186
 #5: ffff88805f840228 (&rdev->bss_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock_rt.h:90 [inline]
 #5: ffff88805f840228 (&rdev->bss_lock){+...}-{3:3}, at: cfg80211_inform_single_bss_data+0xc22/0x1bf0 net/wireless/scan.c:2442
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline]
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400 kernel/locking/spinlock_rt.c:57
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0x8f/0x2550 arch/x86/kernel/unwind_orc.c:495
locks held by kworker/u8:9/3286: 3, last CPU#1:
 #0: ffff888034905140 ((wq_completion)bat_events){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #0: ffff888034905140 ((wq_completion)bat_events){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffff888034905140 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline]
 #0: ffff888034905140 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578
 #1: ffffc9000f08fc40 ((work_completion)(&(&forw_packet_aggr->delayed_work)->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #1: ffffc9000f08fc40 ((work_completion)(&(&forw_packet_aggr->delayed_work)->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffffc9000f08fc40 ((work_completion)(&(&forw_packet_aggr->delayed_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline]
 #1: ffffc9000f08fc40 ((work_completion)(&(&forw_packet_aggr->delayed_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578
 #2: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186
locks held by kworker/u8:13/3313: 8, last CPU#1:
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline]
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578
 #1: ffffc9000f0dfc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #1: ffffc9000f0dfc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffffc9000f0dfc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline]
 #1: ffffc9000f0dfc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578
 #2: ffff888041b00938 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline]
 #2: ffff888041b00938 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x420 net/wireless/core.c:596
 #3: ffffffff8f255b40 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186
 #4: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186
 #5: ffff888041b00228 (&rdev->bss_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock_rt.h:90 [inline]
 #5: ffff888041b00228 (&rdev->bss_lock){+...}-{3:3}, at: cfg80211_inform_single_bss_data+0xc22/0x1bf0 net/wireless/scan.c:2442
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline]
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400 kernel/locking/spinlock_rt.c:57
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0x8f/0x2550 arch/x86/kernel/unwind_orc.c:495
locks held by klogd/4962: 2, last CPU#1:
 #0: ffffffff8f516b90 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #0: ffffffff8f516b90 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x27/0x60 include/linux/srcu.h:320
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400 kernel/locking/spinlock_rt.c:57
locks held by getty/5363: 2, on CPU#0:
 #0: ffff8880381bc0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900044e62e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360 drivers/tty/n_tty.c:2211
locks held by syz.0.17/5944: 1, on CPU#1:
 #0: ffff8880461ea058 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 #0: ffff8880461ea058 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
locks held by syz.0.17/5945: 1, last CPU#1:
 #0: ffff8880461ea058 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: process_measurement+0x7e0/0x1c20 security/integrity/ima/ima_main.c:319
locks held by syz.1.18/5993: 1, on CPU#1:
 #0: ffff8880461e9f58 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 #0: ffff8880461e9f58 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
locks held by syz.1.18/5994: 2, last CPU#1:
 #0: ffff8880461e9f58 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: process_measurement+0x7e0/0x1c20 security/integrity/ima/ima_main.c:319
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: filemap_get_entry+0xcd/0x3f0 mm/filemap.c:1922
locks held by syz.2.19/6033: 1, on CPU#1:
 #0: ffff8880461e9e58 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 #0: ffff8880461e9e58 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
locks held by syz.2.19/6034: 1, last CPU#1:
 #0: ffff8880461e9e58 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: process_measurement+0x7e0/0x1c20 security/integrity/ima/ima_main.c:319
locks held by syz.3.20/6075: 1, on CPU#1:
 #0: ffff888041ab8458 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 #0: ffff888041ab8458 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
locks held by syz.3.20/6076: 1, last CPU#1:
 #0: ffff888041ab8458 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: process_measurement+0x7e0/0x1c20 security/integrity/ima/ima_main.c:319
locks held by syz.4.23/6135: 1, on CPU#0:
 #0: ffff888041ab8358 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 #0: ffff888041ab8358 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
locks held by syz.4.23/6136: 1, last CPU#0:
 #0: ffff888041ab8358 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: process_measurement+0x7e0/0x1c20 security/integrity/ima/ima_main.c:319
locks held by syz.5.25/6187: 1, on CPU#1:
 #0: ffff888041ab8258 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 #0: ffff888041ab8258 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
locks held by syz.5.25/6188: 1, last CPU#1:
 #0: ffff888041ab8258 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: process_measurement+0x7e0/0x1c20 security/integrity/ima/ima_main.c:319
locks held by syz.6.32/6260: 1, on CPU#1:
 #0: ffff888041ab8158 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 #0: ffff888041ab8158 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
locks held by syz.6.32/6261: 1, last CPU#1:
 #0: ffff888041ab8158 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: process_measurement+0x7e0/0x1c20 security/integrity/ima/ima_main.c:319

=============================================

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:123
 nmi_trigger_cpumask_backtrace+0x17d/0x390 lib/nmi_backtrace.c:66
 trigger_all_cpu_backtrace include/linux/nmi.h:164 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x135/0x170 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:377 [inline]
 watchdog+0x1073/0x10f0 kernel/hung_task.c:598
 kthread+0x38b/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:109 [inline]
RIP: 0010:lockdep_hardirqs_on+0x4b/0x110 kernel/locking/lockdep.c:4504
Code: 99 5c 08 a9 00 00 00 f0 75 41 65 8b 05 1e e2 5c 08 85 c0 75 6b 65 8b 05 9b dc 5c 08 85 c0 75 60 83 3d 98 f3 65 0f 00 75 22 9c <58> a9 00 02 00 00 75 57 83 3d 86 f3 65 0f 00 75 10 48 8b 83 e8 0b
RSP: 0018:ffffc90000157aa0 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff88801de98000 RCX: 0000000000000046
RDX: 0000000000000003 RSI: ffffffff8dd70134 RDI: ffffffff81b8573b
RBP: 0000000000000200 R08: ffffffff90d580bf R09: 1ffffffff21ab017
R10: dffffc0000000000 R11: fffffbfff21ab018 R12: 1ffffffff1e02690
R13: 1ffffffff1e02678 R14: ffffffff81b9007e R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888124718000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f05ef2fcc40 CR3: 000000002a050000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 seqcount_lockdep_reader_access include/linux/seqlock.h:75 [inline]
 get_jiffies_update+0xdb/0x220 kernel/time/tick-sched.c:805
 tmigr_handle_remote+0x2be/0x1560 kernel/time/timer_migration.c:1125
 handle_softirqs+0x1d4/0x6c0 kernel/softirq.c:669
 __do_softirq kernel/softirq.c:703 [inline]
 run_ktimerd+0x6a/0x100 kernel/softirq.c:1208
 smpboot_thread_fn+0x5f8/0xb30 kernel/smpboot.c:162
 kthread+0x38b/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

final repro crashed as (corrupted=false):
INFO: task syz.0.17:5944 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.17        state:D stack:25800 pid:5944  tgid:5944  ppid:5791   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x171d/0x56f0 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 rt_mutex_schedule+0x76/0xf0 kernel/sched/core.c:7724
 rt_mutex_slowlock_block+0x540/0x6a0 kernel/locking/rtmutex.c:1670
 __rt_mutex_slowlock kernel/locking/rtmutex.c:1747 [inline]
 __rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1787 [inline]
 rt_mutex_slowlock+0x2d4/0x780 kernel/locking/rtmutex.c:1827
 __rt_mutex_lock kernel/locking/rtmutex.c:1842 [inline]
 __mutex_lock_common kernel/locking/rtmutex_api.c:562 [inline]
 mutex_lock_nested+0x163/0x1d0 kernel/locking/rtmutex_api.c:580
 ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
 security_file_release+0x85/0x110 security/security.c:2446
 __fput+0x37c/0xa70 fs/file_table.c:506
 fput_close_sync+0x11f/0x240 fs/file_table.c:618
 filp_close_sync+0x6e/0xa0 fs/open.c:1573
 __range_close fs/file.c:919 [inline]
 __do_sys_close_range fs/file.c:1003 [inline]
 __se_sys_close_range+0xa7d/0xef0 fs/file.c:954
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd85296f559
RSP: 002b:00007ffcaa8fb588 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: ffffffffffffffda RBX: 00007fd852bf7da0 RCX: 00007fd85296f559
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fd852bf7da0 R08: 0000000000000006 R09: 0000000000000000
R10: 00007fd852bf7cb0 R11: 0000000000000246 R12: 000000000001b8bb
R13: 00007fd852bf5fac R14: 000000000001b5c2 R15: 00007ffcaa8fb690
 </TASK>

Showing all locks held in the system:
locks held by pr/ttyS0/38: 2, last CPU#0:
 #0: ffffffff8f29b018 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:314 [inline]
 #0: ffffffff8f29b018 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:493 [inline]
 #0: ffffffff8f29b018 (console_srcu){....}-{0:0}, at: console_srcu_read_lock+0x30/0x60 kernel/printk/printk.c:291
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400 kernel/locking/spinlock_rt.c:57
locks held by khungtaskd/39: 1, last CPU#0:
 #0: ffff
 #0: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #0: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6871
locks held by kworker/u8:6/160: 8, last CPU#1:
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline]
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578
 #1: ffffc9000421fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #1: ffffc9000421fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffffc9000421fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline]
 #1: ffffc9000421fc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578
 #2: ffff88805f840938 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline]
 #2: ffff88805f840938 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x420 net/wireless/core.c:596
 #3: ffffffff8f255b40 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186
 #4: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186
 #5: ffff88805f840228 (&rdev->bss_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock_rt.h:90 [inline]
 #5: ffff88805f840228 (&rdev->bss_lock){+...}-{3:3}, at: cfg80211_inform_single_bss_data+0xc22/0x1bf0 net/wireless/scan.c:2442
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline]
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400 kernel/locking/spinlock_rt.c:57
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0x8f/0x2550 arch/x86/kernel/unwind_orc.c:495
locks held by kworker/u8:9/3286: 3, last CPU#1:
 #0: ffff888034905140 ((wq_completion)bat_events){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #0: ffff888034905140 ((wq_completion)bat_events){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffff888034905140 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline]
 #0: ffff888034905140 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578
 #1: ffffc9000f08fc40 ((work_completion)(&(&forw_packet_aggr->delayed_work)->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #1: ffffc9000f08fc40 ((work_completion)(&(&forw_packet_aggr->delayed_work)->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffffc9000f08fc40 ((work_completion)(&(&forw_packet_aggr->delayed_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline]
 #1: ffffc9000f08fc40 ((work_completion)(&(&forw_packet_aggr->delayed_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578
 #2: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186
locks held by kworker/u8:13/3313: 8, last CPU#1:
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline]
 #0: ffff88813fe3c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578
 #1: ffffc9000f0dfc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #1: ffffc9000f0dfc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffffc9000f0dfc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3460 [inline]
 #1: ffffc9000f0dfc40 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3578
 #2: ffff888041b00938 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline]
 #2: ffff888041b00938 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xb4/0x420 net/wireless/core.c:596
 #3: ffffffff8f255b40 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186
 #4: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3d/0x420 kernel/softirq.c:186
 #5: ffff888041b00228 (&rdev->bss_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock_rt.h:90 [inline]
 #5: ffff888041b00228 (&rdev->bss_lock){+...}-{3:3}, at: cfg80211_inform_single_bss_data+0xc22/0x1bf0 net/wireless/scan.c:2442
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline]
 #6: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400 kernel/locking/spinlock_rt.c:57
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
 #7: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0x8f/0x2550 arch/x86/kernel/unwind_orc.c:495
locks held by klogd/4962: 2, last CPU#1:
 #0: ffffffff8f516b90 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline]
 #0: ffffffff8f516b90 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x27/0x60 include/linux/srcu.h:320
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e2/0x400 kernel/locking/spinlock_rt.c:57
locks held by getty/5363: 2, on CPU#0:
 #0: ffff8880381bc0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900044e62e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360 drivers/tty/n_tty.c:2211
locks held by syz.0.17/5944: 1, on CPU#1:
 #0: ffff8880461ea058 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 #0: ffff8880461ea058 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
locks held by syz.0.17/5945: 1, last CPU#1:
 #0: ffff8880461ea058 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: process_measurement+0x7e0/0x1c20 security/integrity/ima/ima_main.c:319
locks held by syz.1.18/5993: 1, on CPU#1:
 #0: ffff8880461e9f58 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 #0: ffff8880461e9f58 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
locks held by syz.1.18/5994: 2, last CPU#1:
 #0: ffff8880461e9f58 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: process_measurement+0x7e0/0x1c20 security/integrity/ima/ima_main.c:319
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #1: ffffffff8f3c1640 (rcu_read_lock){....}-{1:3}, at: filemap_get_entry+0xcd/0x3f0 mm/filemap.c:1922
locks held by syz.2.19/6033: 1, on CPU#1:
 #0: ffff8880461e9e58 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 #0: ffff8880461e9e58 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
locks held by syz.2.19/6034: 1, last CPU#1:
 #0: ffff8880461e9e58 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: process_measurement+0x7e0/0x1c20 security/integrity/ima/ima_main.c:319
locks held by syz.3.20/6075: 1, on CPU#1:
 #0: ffff888041ab8458 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 #0: ffff888041ab8458 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
locks held by syz.3.20/6076: 1, last CPU#1:
 #0: ffff888041ab8458 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: process_measurement+0x7e0/0x1c20 security/integrity/ima/ima_main.c:319
locks held by syz.4.23/6135: 1, on CPU#0:
 #0: ffff888041ab8358 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 #0: ffff888041ab8358 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
locks held by syz.4.23/6136: 1, last CPU#0:
 #0: ffff888041ab8358 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: process_measurement+0x7e0/0x1c20 security/integrity/ima/ima_main.c:319
locks held by syz.5.25/6187: 1, on CPU#1:
 #0: ffff888041ab8258 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 #0: ffff888041ab8258 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
locks held by syz.5.25/6188: 1, last CPU#1:
 #0: ffff888041ab8258 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: process_measurement+0x7e0/0x1c20 security/integrity/ima/ima_main.c:319
locks held by syz.6.32/6260: 1, on CPU#1:
 #0: ffff888041ab8158 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_check_last_writer security/integrity/ima/ima_main.c:215 [inline]
 #0: ffff888041ab8158 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: ima_file_free+0x190/0x5e0 security/integrity/ima/ima_main.c:251
locks held by syz.6.32/6261: 1, last CPU#1:
 #0: ffff888041ab8158 (&ima_iint_mutex_key[depth]#2){+.+.}-{4:4}, at: process_measurement+0x7e0/0x1c20 security/integrity/ima/ima_main.c:319

=============================================

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:123
 nmi_trigger_cpumask_backtrace+0x17d/0x390 lib/nmi_backtrace.c:66
 trigger_all_cpu_backtrace include/linux/nmi.h:164 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x135/0x170 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:377 [inline]
 watchdog+0x1073/0x10f0 kernel/hung_task.c:598
 kthread+0x38b/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:109 [inline]
RIP: 0010:lockdep_hardirqs_on+0x4b/0x110 kernel/locking/lockdep.c:4504
Code: 99 5c 08 a9 00 00 00 f0 75 41 65 8b 05 1e e2 5c 08 85 c0 75 6b 65 8b 05 9b dc 5c 08 85 c0 75 60 83 3d 98 f3 65 0f 00 75 22 9c <58> a9 00 02 00 00 75 57 83 3d 86 f3 65 0f 00 75 10 48 8b 83 e8 0b
RSP: 0018:ffffc90000157aa0 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff88801de98000 RCX: 0000000000000046
RDX: 0000000000000003 RSI: ffffffff8dd70134 RDI: ffffffff81b8573b
RBP: 0000000000000200 R08: ffffffff90d580bf R09: 1ffffffff21ab017
R10: dffffc0000000000 R11: fffffbfff21ab018 R12: 1ffffffff1e02690
R13: 1ffffffff1e02678 R14: ffffffff81b9007e R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888124718000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f05ef2fcc40 CR3: 000000002a050000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 seqcount_lockdep_reader_access include/linux/seqlock.h:75 [inline]
 get_jiffies_update+0xdb/0x220 kernel/time/tick-sched.c:805
 tmigr_handle_remote+0x2be/0x1560 kernel/time/timer_migration.c:1125
 handle_softirqs+0x1d4/0x6c0 kernel/softirq.c:669
 __do_softirq kernel/softirq.c:703 [inline]
 run_ktimerd+0x6a/0x100 kernel/softirq.c:1208
 smpboot_thread_fn+0x5f8/0xb30 kernel/smpboot.c:162
 kthread+0x38b/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>