Extracting prog: 2m46.456718287s
Minimizing prog: 2h44m11.895240682s
Simplifying prog options: 13m19.027298657s
Extracting C: 5m15.835371948s
Simplifying C: 0s


extracting reproducer from 65 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-bpf$BPF_LINK_UPDATE-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_ADD_RESERVED-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-lseek-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-openat$6lowpan_control-write$6lowpan_control-ioctl$FBIOGETCMAP
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
r1 = openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r3 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r3, 0x0, 0x10)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff, 0x4}, 0x10)
ioctl$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, <r4=>0x0})
ioctl$IOMMU_TEST_OP_ADD_RESERVED(r1, 0x3ba0, &(0x7f0000000440)={0x48, 0x1, r4, 0x0, 0xc, 0x3})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)
sched_setaffinity(0x0, 0xfffffffffffffd7a, &(0x7f0000000580)=0x8000000002)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r5 = syz_open_dev$MSR(&(0x7f0000000400), 0x0, 0x0)
read$msr(r5, &(0x7f000001aa40)=""/102392, 0x18ff8)
lseek(0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r6 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$IOMMU_IOAS_ALLOC(r6, 0x3b81, &(0x7f00000001c0)={0xc})
r7 = openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
write$6lowpan_control(r7, &(0x7f0000000280)='connect aa:aa:aa:aa:aa:10 2', 0x1b)
ioctl$FBIOGETCMAP(0xffffffffffffffff, 0x4604, &(0x7f0000000180)={0x0, 0x1, &(0x7f0000000100)=[0x0], &(0x7f0000000080), 0xfffffffffffffffe, 0x0})

program crashed: INFO: rcu detected stall in sys_rt_sigreturn
single: successfully extracted reproducer
found reproducer with 29 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-bpf$BPF_LINK_UPDATE-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_ADD_RESERVED-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-lseek-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-openat$6lowpan_control-write$6lowpan_control
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
r1 = openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r3 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r3, 0x0, 0x10)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff, 0x4}, 0x10)
ioctl$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, <r4=>0x0})
ioctl$IOMMU_TEST_OP_ADD_RESERVED(r1, 0x3ba0, &(0x7f0000000440)={0x48, 0x1, r4, 0x0, 0xc, 0x3})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)
sched_setaffinity(0x0, 0xfffffffffffffd7a, &(0x7f0000000580)=0x8000000002)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r5 = syz_open_dev$MSR(&(0x7f0000000400), 0x0, 0x0)
read$msr(r5, &(0x7f000001aa40)=""/102392, 0x18ff8)
lseek(0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r6 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$IOMMU_IOAS_ALLOC(r6, 0x3b81, &(0x7f00000001c0)={0xc})
r7 = openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
write$6lowpan_control(r7, &(0x7f0000000280)='connect aa:aa:aa:aa:aa:10 2', 0x1b)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-bpf$BPF_LINK_UPDATE-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_ADD_RESERVED-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-lseek-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC-openat$6lowpan_control
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
r1 = openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r3 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r3, 0x0, 0x10)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff, 0x4}, 0x10)
ioctl$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, <r4=>0x0})
ioctl$IOMMU_TEST_OP_ADD_RESERVED(r1, 0x3ba0, &(0x7f0000000440)={0x48, 0x1, r4, 0x0, 0xc, 0x3})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)
sched_setaffinity(0x0, 0xfffffffffffffd7a, &(0x7f0000000580)=0x8000000002)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r5 = syz_open_dev$MSR(&(0x7f0000000400), 0x0, 0x0)
read$msr(r5, &(0x7f000001aa40)=""/102392, 0x18ff8)
lseek(0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r6 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$IOMMU_IOAS_ALLOC(r6, 0x3b81, &(0x7f00000001c0)={0xc})
openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)

program crashed: INFO: rcu detected stall in worker_thread
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-bpf$BPF_LINK_UPDATE-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_ADD_RESERVED-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-lseek-openat$iommufd-ioctl$IOMMU_IOAS_ALLOC
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
r1 = openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r3 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r3, 0x0, 0x10)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff, 0x4}, 0x10)
ioctl$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, <r4=>0x0})
ioctl$IOMMU_TEST_OP_ADD_RESERVED(r1, 0x3ba0, &(0x7f0000000440)={0x48, 0x1, r4, 0x0, 0xc, 0x3})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)
sched_setaffinity(0x0, 0xfffffffffffffd7a, &(0x7f0000000580)=0x8000000002)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r5 = syz_open_dev$MSR(&(0x7f0000000400), 0x0, 0x0)
read$msr(r5, &(0x7f000001aa40)=""/102392, 0x18ff8)
lseek(0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r6 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
ioctl$IOMMU_IOAS_ALLOC(r6, 0x3b81, &(0x7f00000001c0)={0xc})

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-bpf$BPF_LINK_UPDATE-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_ADD_RESERVED-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-lseek-openat$iommufd
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
r1 = openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r3 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r3, 0x0, 0x10)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff, 0x4}, 0x10)
ioctl$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, <r4=>0x0})
ioctl$IOMMU_TEST_OP_ADD_RESERVED(r1, 0x3ba0, &(0x7f0000000440)={0x48, 0x1, r4, 0x0, 0xc, 0x3})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)
sched_setaffinity(0x0, 0xfffffffffffffd7a, &(0x7f0000000580)=0x8000000002)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r5 = syz_open_dev$MSR(&(0x7f0000000400), 0x0, 0x0)
read$msr(r5, &(0x7f000001aa40)=""/102392, 0x18ff8)
lseek(0xffffffffffffffff, 0xffffffffffffffff, 0x0)
openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-bpf$BPF_LINK_UPDATE-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_ADD_RESERVED-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-lseek
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
r1 = openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r3 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r3, 0x0, 0x10)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff, 0x4}, 0x10)
ioctl$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, <r4=>0x0})
ioctl$IOMMU_TEST_OP_ADD_RESERVED(r1, 0x3ba0, &(0x7f0000000440)={0x48, 0x1, r4, 0x0, 0xc, 0x3})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)
sched_setaffinity(0x0, 0xfffffffffffffd7a, &(0x7f0000000580)=0x8000000002)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r5 = syz_open_dev$MSR(&(0x7f0000000400), 0x0, 0x0)
read$msr(r5, &(0x7f000001aa40)=""/102392, 0x18ff8)
lseek(0xffffffffffffffff, 0xffffffffffffffff, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-bpf$BPF_LINK_UPDATE-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_ADD_RESERVED-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
r1 = openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r3 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r3, 0x0, 0x10)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff, 0x4}, 0x10)
ioctl$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, <r4=>0x0})
ioctl$IOMMU_TEST_OP_ADD_RESERVED(r1, 0x3ba0, &(0x7f0000000440)={0x48, 0x1, r4, 0x0, 0xc, 0x3})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)
sched_setaffinity(0x0, 0xfffffffffffffd7a, &(0x7f0000000580)=0x8000000002)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r5 = syz_open_dev$MSR(&(0x7f0000000400), 0x0, 0x0)
read$msr(r5, &(0x7f000001aa40)=""/102392, 0x18ff8)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-bpf$BPF_LINK_UPDATE-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_ADD_RESERVED-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
r1 = openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r3 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r3, 0x0, 0x10)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff, 0x4}, 0x10)
ioctl$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, <r4=>0x0})
ioctl$IOMMU_TEST_OP_ADD_RESERVED(r1, 0x3ba0, &(0x7f0000000440)={0x48, 0x1, r4, 0x0, 0xc, 0x3})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)
sched_setaffinity(0x0, 0xfffffffffffffd7a, &(0x7f0000000580)=0x8000000002)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
syz_open_dev$MSR(&(0x7f0000000400), 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-bpf$BPF_LINK_UPDATE-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_ADD_RESERVED-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
r1 = openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r3 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r3, 0x0, 0x10)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff, 0x4}, 0x10)
ioctl$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, <r4=>0x0})
ioctl$IOMMU_TEST_OP_ADD_RESERVED(r1, 0x3ba0, &(0x7f0000000440)={0x48, 0x1, r4, 0x0, 0xc, 0x3})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)
sched_setaffinity(0x0, 0xfffffffffffffd7a, &(0x7f0000000580)=0x8000000002)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)

program crashed: INFO: rcu detected stall in security_file_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-bpf$BPF_LINK_UPDATE-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_ADD_RESERVED-prlimit64-sched_setscheduler-sched_setaffinity
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
r1 = openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r3 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r3, 0x0, 0x10)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff, 0x4}, 0x10)
ioctl$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, <r4=>0x0})
ioctl$IOMMU_TEST_OP_ADD_RESERVED(r1, 0x3ba0, &(0x7f0000000440)={0x48, 0x1, r4, 0x0, 0xc, 0x3})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)
sched_setaffinity(0x0, 0xfffffffffffffd7a, &(0x7f0000000580)=0x8000000002)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-bpf$BPF_LINK_UPDATE-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_ADD_RESERVED-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
r1 = openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r3 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r3, 0x0, 0x10)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff, 0x4}, 0x10)
ioctl$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, <r4=>0x0})
ioctl$IOMMU_TEST_OP_ADD_RESERVED(r1, 0x3ba0, &(0x7f0000000440)={0x48, 0x1, r4, 0x0, 0xc, 0x3})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program crashed: INFO: rcu detected stall in sys_openat
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-bpf$BPF_LINK_UPDATE-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_ADD_RESERVED-prlimit64
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
r1 = openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r3 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r3, 0x0, 0x10)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff, 0x4}, 0x10)
ioctl$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, <r4=>0x0})
ioctl$IOMMU_TEST_OP_ADD_RESERVED(r1, 0x3ba0, &(0x7f0000000440)={0x48, 0x1, r4, 0x0, 0xc, 0x3})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-bpf$BPF_LINK_UPDATE-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_ADD_RESERVED-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
r1 = openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r3 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r3, 0x0, 0x10)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff, 0x4}, 0x10)
ioctl$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, <r4=>0x0})
ioctl$IOMMU_TEST_OP_ADD_RESERVED(r1, 0x3ba0, &(0x7f0000000440)={0x48, 0x1, r4, 0x0, 0xc, 0x3})
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-bpf$BPF_LINK_UPDATE-ioctl$IOMMU_IOAS_ALLOC-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
r1 = openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r2 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r3 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r3, 0x0, 0x10)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff, 0x4}, 0x10)
ioctl$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc})
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-bpf$BPF_LINK_UPDATE-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r2 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r2, 0x0, 0x10)
bpf$BPF_LINK_UPDATE(0x1d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff, 0x4}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-write$cgroup_subtree-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
r2 = openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
write$cgroup_subtree(r2, 0x0, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program crashed: INFO: rcu detected stall in exit_to_user_mode_loop
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
openat$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program crashed: INFO: rcu detected stall in futex
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
fsopen(0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program crashed: INFO: rcu detected stall in exit_to_user_mode_loop
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
gettid()
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
openat$iommufd(0xffffffffffffff9c, 0x0, 0x2c0041, 0x0)
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
syz_emit_ethernet(0x0, 0x0, 0x0)
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program crashed: INFO: rcu detected stall in sys_getsockopt
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = userfaultfd(0x80801)
ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040))
r1 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program crashed: INFO: rcu detected stall in sys_socket
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-userfaultfd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
userfaultfd(0x80801)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program crashed: INFO: rcu detected stall in sys_sendto
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): keyctl$chown-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
keyctl$chown(0x4, 0x0, 0xee01, 0xffffffffffffffff)
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
gettid()
timer_create(0x0, 0x0, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r0}, 0x0)
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, 0x0, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler
detailed listing:
executing program 0:
r0 = gettid()
timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x11, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc))
fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3)

program crashed: INFO: rcu detected stall in futex
validation run: crashed=true
reproducing took 3h15m8.930890929s
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): P4989/1:b..l
rcu: 	(detected by 0, t=10503 jiffies, g=18761, q=727 ncpus=2)
task:udevd           state:R  running task     stack:25040 pid:4989  tgid:4989  ppid:1      task_flags:0x400140 flags:0x00080800
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7370
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:169 [inline]
 _raw_spin_unlock+0x3f/0x50 kernel/locking/spinlock.c:190
 spin_unlock include/linux/spinlock.h:390 [inline]
 fast_dput+0x233/0x430 fs/dcache.c:-1
 dput+0xe8/0x1a0 fs/dcache.c:972
 step_into_slowpath+0x2d4/0x7e0 fs/namei.c:2114
 step_into fs/namei.c:2148 [inline]
 walk_component fs/namei.c:2284 [inline]
 link_path_walk+0xd50/0x18d0 fs/namei.c:2652
 path_lookupat+0xe4/0x8c0 fs/namei.c:2808
 filename_lookup+0x256/0x5d0 fs/namei.c:2838
 vfs_statx+0xfc/0x200 fs/stat.c:353
 vfs_fstatat+0x11b/0x170 fs/stat.c:373
 __do_sys_newfstatat fs/stat.c:538 [inline]
 __se_sys_newfstatat fs/stat.c:532 [inline]
 __x64_sys_newfstatat+0x151/0x200 fs/stat.c:532
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0123f11b0a
RSP: 002b:00007ffc51fddc08 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00007ffc51fde0a0 RCX: 00007f0123f11b0a
RDX: 00007ffc51fddc10 RSI: 00007ffc51fde0a0 RDI: 00000000ffffff9c
RBP: 0000561821213910 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc51fddca0
R13: 00000000000000fe R14: 00005618106f8be0 R15: 00007ffc51fde7a0
 </TASK>
rcu: rcu_preempt kthread starved for 10532 jiffies! g18761 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27968 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_timeout+0x158/0x2c0 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x312/0x11d0 kernel/rcu/tree.c:2095
 rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2297
 kthread+0x389/0x470 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>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 6114 Comm: syz.2.35 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:tick_program_event+0x88/0x120 kernel/time/tick-oneshot.c:48
Code: 42 0f b6 04 28 84 c0 0f 85 95 00 00 00 45 8b 3f bf 04 00 00 00 44 89 fe e8 35 21 0f 00 41 83 ff 04 74 6b e8 ea 1c 0f 00 31 ff <89> ee e8 21 21 0f 00 31 d2 85 ed 0f 95 c2 4c 89 f7 48 89 de 5b 41
RSP: 0018:ffffc900025677f0 EFLAGS: 00000046
RAX: ffffffff81b69916 RBX: 0000003b00dc11ec RCX: ffff88802da7dc40
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff9030daf7 R09: 1ffffffff2061b5e
R10: dffffc0000000000 R11: fffffbfff2061b5f R12: 7fffffffffffffff
R13: dffffc0000000000 R14: ffff8880b8723e40 R15: 0000000000000003
FS:  00007f70408006c0(0000) GS:ffff888125387000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000140 CR3: 000000005e5e3000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 hrtimer_rearm kernel/time/hrtimer.c:2039 [inline]
 __hrtimer_rearm_deferred+0x270/0x450 kernel/time/hrtimer.c:2059
 hrtimer_rearm_deferred_tif include/linux/hrtimer_rearm.h:53 [inline]
 hrtimer_rearm_deferred include/linux/hrtimer_rearm.h:62 [inline]
 irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:505 [inline]
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:542 [inline]
 irqentry_exit+0x6d5/0x760 kernel/entry/common.c:164
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:futex_hash_put+0x11/0x60 kernel/futex/core.c:174
Code: 95 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 53 48 89 fb e8 e3 7d 0d 00 48 83 c3 58 <48> 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74
RSP: 0018:ffffc90002567978 EFLAGS: 00000282
RAX: ffffffff81b8381d RBX: ffff88807cbd6198 RCX: ffff88802da7dc40
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807cbd6140
RBP: 0000000000000000 R08: ffff88807cbd614b R09: 1ffff1100f97ac29
R10: dffffc0000000000 R11: ffffed100f97ac2a R12: dffffc0000000000
R13: ffffc90002567aa0 R14: ffffffff81b95e37 R15: 0000000000000000
 class_hb_destructor kernel/futex/futex.h:240 [inline]
 futex_wait_setup+0x41f/0x560 kernel/futex/waitwake.c:665
 __futex_wait+0x173/0x420 kernel/futex/waitwake.c:686
 futex_wait+0x121/0x390 kernel/futex/waitwake.c:719
 do_futex+0x333/0x420 kernel/futex/syscalls.c:130
 __do_sys_futex kernel/futex/syscalls.c:207 [inline]
 __se_sys_futex+0x3a8/0x450 kernel/futex/syscalls.c:188
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f703f99ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f70408000e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f703fc15fa8 RCX: 00007f703f99ce59
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f703fc15fa8
RBP: 00007f703fc15fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f703fc16038 R14: 00007ffe54b2f490 R15: 00007ffe54b2f578
 </TASK>

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): P4989/1:b..l
rcu: 	(detected by 0, t=10503 jiffies, g=18761, q=727 ncpus=2)
task:udevd           state:R  running task     stack:25040 pid:4989  tgid:4989  ppid:1      task_flags:0x400140 flags:0x00080800
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7370
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:169 [inline]
 _raw_spin_unlock+0x3f/0x50 kernel/locking/spinlock.c:190
 spin_unlock include/linux/spinlock.h:390 [inline]
 fast_dput+0x233/0x430 fs/dcache.c:-1
 dput+0xe8/0x1a0 fs/dcache.c:972
 step_into_slowpath+0x2d4/0x7e0 fs/namei.c:2114
 step_into fs/namei.c:2148 [inline]
 walk_component fs/namei.c:2284 [inline]
 link_path_walk+0xd50/0x18d0 fs/namei.c:2652
 path_lookupat+0xe4/0x8c0 fs/namei.c:2808
 filename_lookup+0x256/0x5d0 fs/namei.c:2838
 vfs_statx+0xfc/0x200 fs/stat.c:353
 vfs_fstatat+0x11b/0x170 fs/stat.c:373
 __do_sys_newfstatat fs/stat.c:538 [inline]
 __se_sys_newfstatat fs/stat.c:532 [inline]
 __x64_sys_newfstatat+0x151/0x200 fs/stat.c:532
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0123f11b0a
RSP: 002b:00007ffc51fddc08 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00007ffc51fde0a0 RCX: 00007f0123f11b0a
RDX: 00007ffc51fddc10 RSI: 00007ffc51fde0a0 RDI: 00000000ffffff9c
RBP: 0000561821213910 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc51fddca0
R13: 00000000000000fe R14: 00005618106f8be0 R15: 00007ffc51fde7a0
 </TASK>
rcu: rcu_preempt kthread starved for 10532 jiffies! g18761 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27968 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_timeout+0x158/0x2c0 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x312/0x11d0 kernel/rcu/tree.c:2095
 rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2297
 kthread+0x389/0x470 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>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 6114 Comm: syz.2.35 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:tick_program_event+0x88/0x120 kernel/time/tick-oneshot.c:48
Code: 42 0f b6 04 28 84 c0 0f 85 95 00 00 00 45 8b 3f bf 04 00 00 00 44 89 fe e8 35 21 0f 00 41 83 ff 04 74 6b e8 ea 1c 0f 00 31 ff <89> ee e8 21 21 0f 00 31 d2 85 ed 0f 95 c2 4c 89 f7 48 89 de 5b 41
RSP: 0018:ffffc900025677f0 EFLAGS: 00000046
RAX: ffffffff81b69916 RBX: 0000003b00dc11ec RCX: ffff88802da7dc40
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff9030daf7 R09: 1ffffffff2061b5e
R10: dffffc0000000000 R11: fffffbfff2061b5f R12: 7fffffffffffffff
R13: dffffc0000000000 R14: ffff8880b8723e40 R15: 0000000000000003
FS:  00007f70408006c0(0000) GS:ffff888125387000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000140 CR3: 000000005e5e3000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 hrtimer_rearm kernel/time/hrtimer.c:2039 [inline]
 __hrtimer_rearm_deferred+0x270/0x450 kernel/time/hrtimer.c:2059
 hrtimer_rearm_deferred_tif include/linux/hrtimer_rearm.h:53 [inline]
 hrtimer_rearm_deferred include/linux/hrtimer_rearm.h:62 [inline]
 irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:505 [inline]
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:542 [inline]
 irqentry_exit+0x6d5/0x760 kernel/entry/common.c:164
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:futex_hash_put+0x11/0x60 kernel/futex/core.c:174
Code: 95 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 53 48 89 fb e8 e3 7d 0d 00 48 83 c3 58 <48> 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74
RSP: 0018:ffffc90002567978 EFLAGS: 00000282
RAX: ffffffff81b8381d RBX: ffff88807cbd6198 RCX: ffff88802da7dc40
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807cbd6140
RBP: 0000000000000000 R08: ffff88807cbd614b R09: 1ffff1100f97ac29
R10: dffffc0000000000 R11: ffffed100f97ac2a R12: dffffc0000000000
R13: ffffc90002567aa0 R14: ffffffff81b95e37 R15: 0000000000000000
 class_hb_destructor kernel/futex/futex.h:240 [inline]
 futex_wait_setup+0x41f/0x560 kernel/futex/waitwake.c:665
 __futex_wait+0x173/0x420 kernel/futex/waitwake.c:686
 futex_wait+0x121/0x390 kernel/futex/waitwake.c:719
 do_futex+0x333/0x420 kernel/futex/syscalls.c:130
 __do_sys_futex kernel/futex/syscalls.c:207 [inline]
 __se_sys_futex+0x3a8/0x450 kernel/futex/syscalls.c:188
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f703f99ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f70408000e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f703fc15fa8 RCX: 00007f703f99ce59
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f703fc15fa8
RBP: 00007f703fc15fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f703fc16038 R14: 00007ffe54b2f490 R15: 00007ffe54b2f578
 </TASK>