Extracting prog: 6m22.95999399s
Minimizing prog: 2h29m32.932305545s
Simplifying prog options: 0s
Extracting C: 5m18.248101005s
Simplifying C: 35m41.181274537s
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:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile-mknodat$loop-acct
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
mknodat$loop(0xffffffffffffffff, 0x0, 0x0, 0x0)
acct(0x0)
program crashed: INFO: rcu detected stall in corrupted
single: successfully extracted reproducer
found reproducer with 14 syscalls
minimizing guilty program
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile-mknodat$loop
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
mknodat$loop(0xffffffffffffffff, 0x0, 0x0, 0x0)
program crashed: no output from test machine
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r2, &(0x7f0000004200)='t', 0x1)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
sendfile(r3, r2, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
write(0xffffffffffffffff, &(0x7f0000004200)='t', 0x1)
sendfile(0xffffffffffffffff, r2, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r2, &(0x7f0000004200)='t', 0x1)
sendfile(r2, 0xffffffffffffffff, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
fchdir(0xffffffffffffffff)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r1 = openat(0xffffffffffffffff, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r2, &(0x7f0000004200)='t', 0x1)
sendfile(r2, r1, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0)
r0 = fsmount(0xffffffffffffffff, 0x0, 0x0)
fchdir(r0)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r1 = openat(r0, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r2, &(0x7f0000004200)='t', 0x1)
sendfile(r2, r1, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(0x0, 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(0x0, 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, 0x0, 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, 0x0, 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, 0x0, 0x0)
sendfile(r3, r2, 0x0, 0x7fffffff)
program did not crash
testing program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200), 0x0)
sendfile(r3, r2, 0x0, 0x7fffffff)
program did not crash
extracting C reproducer
testing compiled C program (duration=6m39.606123354s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
program crashed: no output from test machine
simplifying C reproducer
testing compiled C program (duration=6m39.606123354s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m39.606123354s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m39.606123354s, {Threaded:false 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}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
program crashed: no output from test machine
testing compiled C program (duration=6m39.606123354s, {Threaded:false 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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
program crashed: no output from test machine
testing compiled C program (duration=6m39.606123354s, {Threaded:false 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m39.606123354s, {Threaded:false 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
program crashed: no output from test machine
testing compiled C program (duration=6m39.606123354s, {Threaded:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
program crashed: no output from test machine
testing program (duration=6m39.606123354s, {Threaded:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
testing program (duration=6m39.606123354s, {Threaded:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
testing program (duration=6m39.606123354s, {Threaded:false 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-open-openat-openat-write-sendfile
detailed listing:
executing program 0:
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5)
r0 = fsopen(&(0x7f00000001c0)='ramfs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0)
r1 = fsmount(r0, 0x0, 0x0)
fchdir(r1)
open(&(0x7f0000000040)='./bus\x00', 0x143142, 0x80)
r2 = openat(r1, &(0x7f0000000080)='./bus\x00', 0x0, 0x10)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1c1002, 0x50)
write(r3, &(0x7f0000004200)='t', 0x1)
sendfile(r3, r2, 0x0, 0x7fffffff)
program crashed: INFO: rcu detected stall in cfg80211_wiphy_work
validation run: crashed=true
reproducing took 3h32m28.221780581s
repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5823/2:b..l
rcu: (detected by 1, t=10502 jiffies, g=18897, q=2653 ncpus=2)
task:kworker/u8:10 state:R running task stack:21448 pid:5823 tgid:5823 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound cfg80211_wiphy_work
Call Trace:
context_switch kernel/sched/core.c:5510 [inline]
__schedule+0x1709/0x5530 kernel/sched/core.c:7231
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7553
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:unwind_next_frame+0xd/0x2550 arch/x86/kernel/unwind_orc.c:485
Code: 92 48 89 df e8 b4 41 ba 00 eb 88 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 54 <53> 48 83 ec 70 49 89 fe 49 bc 00 00 00 00 00 fc ff df 48 83 c7 48
RSP: 0018:ffffc900042d69f8 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc900042d6ae0 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffffff8a933b9e RDI: ffffc900042d6a28
RBP: ffffc900042d6ab0 R08: ffffc900042d6af0 R09: 000000000000000b
R10: ffffc900042d6a78 R11: ffffffff81b01af0 R12: ffff888021eddd00
R13: 0000000000000000 R14: ffffffff81b01af0 R15: ffffc900042d6a28
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584
poison_slab_object mm/kasan/common.c:253 [inline]
__kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285
kasan_slab_free include/linux/kasan.h:235 [inline]
slab_free_hook mm/slub.c:2705 [inline]
slab_free mm/slub.c:6381 [inline]
kfree+0x1c5/0x6c0 mm/slub.c:6696
ieee80211_inform_bss+0xbda/0x10d0 net/mac80211/scan.c:164
rdev_inform_bss net/wireless/rdev-ops.h:418 [inline]
cfg80211_inform_single_bss_data+0xd98/0x1bf0 net/wireless/scan.c:2379
cfg80211_inform_bss_data+0x258/0x3c40 net/wireless/scan.c:3238
cfg80211_inform_bss_frame_data+0x3c7/0x730 net/wireless/scan.c:3329
ieee80211_bss_info_update+0x791/0xa50 net/mac80211/scan.c:230
ieee80211_rx_bss_info net/mac80211/ibss.c:1064 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1545 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1c8b/0x2be0 net/mac80211/ibss.c:1572
ieee80211_iface_process_skb net/mac80211/iface.c:1763 [inline]
ieee80211_iface_work+0x78a/0x1010 net/mac80211/iface.c:1817
cfg80211_wiphy_work+0x29e/0x420 net/wireless/core.c:538
process_one_work+0xaaf/0x1480 kernel/workqueue.c:3379
process_scheduled_works kernel/workqueue.c:3462 [inline]
worker_thread+0xb05/0x10d0 kernel/workqueue.c:3543
kthread+0x388/0x470 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
rcu: rcu_preempt kthread timer wakeup didn't happen for 9367 jiffies! g18897 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=1 timer-softirq=5928
rcu: rcu_preempt kthread starved for 9368 jiffies! g18897 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:26856 pid:18 tgid:18 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5510 [inline]
__schedule+0x1709/0x5530 kernel/sched/core.c:7231
__schedule_loop kernel/sched/core.c:7308 [inline]
schedule+0x164/0x2b0 kernel/sched/core.c:7323
schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x30c/0x11c0 kernel/rcu/tree.c:2123
rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2325
kthread+0x388/0x470 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
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:64
Code: ab 76 02 c3 cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d d3 ac 1c 00 fb f4 cc cf 03 00 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
RSP: 0018:ffffc900001e7e40 EFLAGS: 00000242
RAX: 00000000000814d5 RBX: ffffffff8199642c RCX: 0000000080000001
RDX: 0000000000000001 RSI: ffffffff8d982003 RDI: ffffffff8bcb9980
RBP: ffffc900001e7f10 R08: ffff8880b8733d5b R09: 1ffff110170e67ab
R10: dffffc0000000000 R11: ffffed10170e67ac R12: 0000000000000000
R13: 1ffff11003c58ba0 R14: 1ffff9200003cfd0 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff888125b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffbe1677000 CR3: 000000004449e000 CR4: 00000000003526f0
Call Trace:
arch_safe_halt arch/x86/kernel/process.c:767 [inline]
default_idle+0x9/0x20 arch/x86/kernel/process.c:768
default_idle_call+0x72/0xb0 kernel/sched/idle.c:122
cpuidle_idle_call kernel/sched/idle.c:199 [inline]
do_idle+0x1cc/0x540 kernel/sched/idle.c:355
cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:454
start_secondary+0x101/0x110 arch/x86/kernel/smpboot.c:312
common_startup_64+0x13e/0x157
final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5823/2:b..l
rcu: (detected by 1, t=10502 jiffies, g=18897, q=2653 ncpus=2)
task:kworker/u8:10 state:R running task stack:21448 pid:5823 tgid:5823 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound cfg80211_wiphy_work
Call Trace:
context_switch kernel/sched/core.c:5510 [inline]
__schedule+0x1709/0x5530 kernel/sched/core.c:7231
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7553
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:unwind_next_frame+0xd/0x2550 arch/x86/kernel/unwind_orc.c:485
Code: 92 48 89 df e8 b4 41 ba 00 eb 88 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 54 <53> 48 83 ec 70 49 89 fe 49 bc 00 00 00 00 00 fc ff df 48 83 c7 48
RSP: 0018:ffffc900042d69f8 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc900042d6ae0 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffffff8a933b9e RDI: ffffc900042d6a28
RBP: ffffc900042d6ab0 R08: ffffc900042d6af0 R09: 000000000000000b
R10: ffffc900042d6a78 R11: ffffffff81b01af0 R12: ffff888021eddd00
R13: 0000000000000000 R14: ffffffff81b01af0 R15: ffffc900042d6a28
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584
poison_slab_object mm/kasan/common.c:253 [inline]
__kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285
kasan_slab_free include/linux/kasan.h:235 [inline]
slab_free_hook mm/slub.c:2705 [inline]
slab_free mm/slub.c:6381 [inline]
kfree+0x1c5/0x6c0 mm/slub.c:6696
ieee80211_inform_bss+0xbda/0x10d0 net/mac80211/scan.c:164
rdev_inform_bss net/wireless/rdev-ops.h:418 [inline]
cfg80211_inform_single_bss_data+0xd98/0x1bf0 net/wireless/scan.c:2379
cfg80211_inform_bss_data+0x258/0x3c40 net/wireless/scan.c:3238
cfg80211_inform_bss_frame_data+0x3c7/0x730 net/wireless/scan.c:3329
ieee80211_bss_info_update+0x791/0xa50 net/mac80211/scan.c:230
ieee80211_rx_bss_info net/mac80211/ibss.c:1064 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1545 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1c8b/0x2be0 net/mac80211/ibss.c:1572
ieee80211_iface_process_skb net/mac80211/iface.c:1763 [inline]
ieee80211_iface_work+0x78a/0x1010 net/mac80211/iface.c:1817
cfg80211_wiphy_work+0x29e/0x420 net/wireless/core.c:538
process_one_work+0xaaf/0x1480 kernel/workqueue.c:3379
process_scheduled_works kernel/workqueue.c:3462 [inline]
worker_thread+0xb05/0x10d0 kernel/workqueue.c:3543
kthread+0x388/0x470 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
rcu: rcu_preempt kthread timer wakeup didn't happen for 9367 jiffies! g18897 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=1 timer-softirq=5928
rcu: rcu_preempt kthread starved for 9368 jiffies! g18897 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:26856 pid:18 tgid:18 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5510 [inline]
__schedule+0x1709/0x5530 kernel/sched/core.c:7231
__schedule_loop kernel/sched/core.c:7308 [inline]
schedule+0x164/0x2b0 kernel/sched/core.c:7323
schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x30c/0x11c0 kernel/rcu/tree.c:2123
rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2325
kthread+0x388/0x470 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
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:64
Code: ab 76 02 c3 cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d d3 ac 1c 00 fb f4 cc cf 03 00 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
RSP: 0018:ffffc900001e7e40 EFLAGS: 00000242
RAX: 00000000000814d5 RBX: ffffffff8199642c RCX: 0000000080000001
RDX: 0000000000000001 RSI: ffffffff8d982003 RDI: ffffffff8bcb9980
RBP: ffffc900001e7f10 R08: ffff8880b8733d5b R09: 1ffff110170e67ab
R10: dffffc0000000000 R11: ffffed10170e67ac R12: 0000000000000000
R13: 1ffff11003c58ba0 R14: 1ffff9200003cfd0 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff888125b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffbe1677000 CR3: 000000004449e000 CR4: 00000000003526f0
Call Trace:
arch_safe_halt arch/x86/kernel/process.c:767 [inline]
default_idle+0x9/0x20 arch/x86/kernel/process.c:768
default_idle_call+0x72/0xb0 kernel/sched/idle.c:122
cpuidle_idle_call kernel/sched/idle.c:199 [inline]
do_idle+0x1cc/0x540 kernel/sched/idle.c:355
cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:454
start_secondary+0x101/0x110 arch/x86/kernel/smpboot.c:312
common_startup_64+0x13e/0x157