Extracting prog: 3m14.978384348s Minimizing prog: 2h29m44.880265351s Simplifying prog options: 12m54.516261802s Extracting C: 5m16.456225525s 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, 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 corrupted 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$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, 0x0}) ioctl$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$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, 0x0}) ioctl$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$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, 0x0}) ioctl$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, 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$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) program crashed: INFO: rcu detected stall in futex testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$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$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, 0x0}) ioctl$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$msr(r5, &(0x7f000001aa40)=""/102392, 0x18ff8) lseek(0xffffffffffffffff, 0xffffffffffffffff, 0x0) program crashed: INFO: rcu detected stall in sys_wait4 testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): keyctl$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$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, 0x0}) ioctl$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, 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$IOMMU_IOAS_ALLOC(r1, 0x3b81, &(0x7f0000000100)={0xc, 0x0, 0x0}) ioctl$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$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): keyctl$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 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, 0x0}) ioctl$IOMMU_TEST_OP_ADD_RESERVED(r1, 0x3ba0, &(0x7f0000000440)={0x48, 0x1, r4, 0x0, 0xc, 0x3}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3) sched_setaffinity(0x0, 0xfffffffffffffd7a, &(0x7f0000000580)=0x8000000002) program crashed: INFO: rcu detected stall in exit_to_user_mode_loop testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-openat$cgroup_subtree-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, 0x0}) ioctl$IOMMU_TEST_OP_ADD_RESERVED(r1, 0x3ba0, &(0x7f0000000440)={0x48, 0x1, r4, 0x0, 0xc, 0x3}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): keyctl$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 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, 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, 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$cgroup_subtree(r2, 0x0, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3) program crashed: INFO: rcu detected stall in sys_sendto testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): keyctl$chown-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$cgroup_subtree(0xffffffffffffffff, 0x0, 0x2, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-fsopen-prlimit64-sched_setscheduler detailed listing: executing program 0: keyctl$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$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) fsopen(0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-syz_emit_ethernet-openat$iommufd-gettid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-prlimit64-sched_setscheduler detailed listing: executing program 0: keyctl$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$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): keyctl$chown-userfaultfd-ioctl$UFFDIO_API-gettid-timer_create-fcntl$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$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): keyctl$chown-userfaultfd-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$lock(0xffffffffffffffff, 0x26, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x1}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x0, 0x989680}}, 0x0) mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x20008b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f00000000c0)=0x3) program crashed: INFO: rcu detected stall in futex testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): keyctl$chown-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 exit_to_user_mode_loop 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 corrupted validation run: crashed=true reproducing took 3h2m1.697209404s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5808/1:b..l rcu: (detected by 0, t=10503 jiffies, g=17453, q=599 ncpus=2) task:syz-executor state:R running task stack:22392 pid:5808 tgid:5808 ppid:5801 task_flags:0x400140 flags:0x00080000 Call Trace: 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 __local_bh_enable_ip+0xe1/0x130 kernel/softirq.c:457 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:912 [inline] __dev_queue_xmit+0x1fe5/0x3950 net/core/dev.c:4905 dev_queue_xmit include/linux/netdevice.h:3418 [inline] __netlink_deliver_tap_skb net/netlink/af_netlink.c:307 [inline] __netlink_deliver_tap+0x5ad/0x850 net/netlink/af_netlink.c:325 netlink_deliver_tap+0x19c/0x1b0 net/netlink/af_netlink.c:338 __netlink_sendskb net/netlink/af_netlink.c:1260 [inline] netlink_sendskb+0x68/0x140 net/netlink/af_netlink.c:1269 netlink_rcv_skb+0x2b6/0x4b0 net/netlink/af_netlink.c:2556 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:787 [inline] __sock_sendmsg net/socket.c:802 [inline] __sys_sendto+0x672/0x710 net/socket.c:2265 __do_sys_sendto net/socket.c:2272 [inline] __se_sys_sendto net/socket.c:2268 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2268 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: 0033:0x7f3c5b95d68e RSP: 002b:00007fff67741e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000055556e34f500 RCX: 00007f3c5b95d68e RDX: 0000000000000028 RSI: 00007f3c5c744670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007fff67741e84 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f3c5c744670 R15: 0000000000000000 rcu: rcu_preempt kthread starved for 10536 jiffies! g17453 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:27640 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: 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 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: 6127 Comm: syz.2.31 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:37 [inline] RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:139 [inline] RIP: 0010:wrmsrq arch/x86/include/asm/msr.h:199 [inline] RIP: 0010:native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:208 Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 e9 2b e0 9a ff cc 89 f6 31 d2 e9 66 ae 7a 03 66 0f 1f 44 00 RSP: 0000:ffffc900038f7bb0 EFLAGS: 00000046 RAX: 000000000000db38 RBX: ffff8880b8723e40 RCX: 0000000000000838 RDX: 0000000000000000 RSI: 000000000000db38 RDI: 0000000000000838 RBP: ffffc900038f7c68 R08: ffffffff81b2d6f5 R09: ffffffff9a493588 R10: 0000000000000003 R11: ffffffff817436c0 R12: 000000000000db38 R13: dffffc0000000000 R14: 000000000ffff94a R15: 0000000000000020 FS: 00007fd3865b66c0(0000) GS:ffff888125387000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000140 CR3: 000000002a75c000 CR4: 0000000000350ef0 Call Trace: apic_write arch/x86/include/asm/apic.h:405 [inline] lapic_next_event+0x11/0x20 arch/x86/kernel/apic/apic.c:417 clockevents_program_event+0x385/0x630 kernel/time/clockevents.c:372 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:rseq_signal_deliver include/linux/rseq.h:37 [inline] RIP: 0010:setup_rt_frame arch/x86/kernel/signal.c:239 [inline] RIP: 0010:handle_signal arch/x86/kernel/signal.c:294 [inline] RIP: 0010:arch_do_signal_or_restart+0x350/0x840 arch/x86/kernel/signal.c:339 Code: 00 4c 89 e0 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 76 04 00 00 45 0f b6 24 24 bf 01 00 00 00 44 89 e6 e8 74 27 5d 00 41 83 fc 02 <72> 7e 49 81 c6 12 16 00 00 4c 89 f0 48 c1 e8 03 0f b6 04 18 84 c0 RSP: 0000:ffffc900038f7dc0 EFLAGS: 00000293 RAX: ffffffff8168918c RBX: dffffc0000000000 RCX: 0000000000000000 RDX: ffff88802fff9ec0 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffc900038f7ed8 R08: ffff88802fff9ec7 R09: 1ffff11005fff3d8 R10: dffffc0000000000 R11: ffffed1005fff3d9 R12: 0000000000000000 R13: 1ffff9200071efbc R14: ffff88802fff9ec0 R15: 0000000000000000 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline] exit_to_user_mode_loop kernel/entry/common.c:98 [inline] __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline] irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline] irqentry_exit+0x289/0x760 kernel/entry/common.c:162 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0033:0x7fd38579ce59 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:00007fd3865b60e8 EFLAGS: 00000246 RAX: fffffffffffffffc RBX: 00007fd385a15fa8 RCX: 00007fd38579ce59 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd385a15fa8 RBP: 00007fd385a15fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd385a16038 R14: 00007ffcc0166630 R15: 00007ffcc0166718 report is corrupted, running repro again 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 worker_thread final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 1, t=10502 jiffies, g=18061, q=484 ncpus=2) rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294963585-4294953082), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10504 jiffies! g18061 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27688 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: 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 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 5673 Comm: kworker/u9:2 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 Workqueue: krxrpcd rxrpc_peer_keepalive_worker RIP: 0010:rdtsc_ordered arch/x86/include/asm/tsc.h:57 [inline] RIP: 0010:__pvclock_clocksource_read arch/x86/kernel/pvclock.c:77 [inline] RIP: 0010:pvclock_clocksource_read_nowd+0x42/0xf0 arch/x86/kernel/pvclock.c:120 Code: 56 44 89 f1 48 d3 e0 83 e5 fe 4c 89 3c 24 48 f7 24 24 48 0f ac d0 20 48 8b 4f 10 0f b6 57 1d 8b 37 39 f5 89 f5 74 70 0f 01 f9 <66> 90 48 89 c1 48 89 d0 48 c1 e0 20 48 09 c8 48 2b 47 08 44 8b 7f RSP: 0018:ffffc90000007be0 EFLAGS: 00000082 RAX: 00000000e53b8dea RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000098 RSI: ffff8880b863aea0 RDI: ffffffff933fe000 RBP: 0000000000000006 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000000f74 R12: 0000000000000004 R13: 0000000000000046 R14: ffff8880b863aea0 R15: ffff888011d7c9b0 FS: 0000000000000000(0000) GS:ffff888125287000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000140 CR3: 0000000025675000 CR4: 0000000000350ef0 Call Trace: kvm_sched_clock_read+0x11/0x20 arch/x86/kernel/kvmclock.c:92 sched_clock+0x17/0x60 arch/x86/kernel/tsc.c:297 __lock_pin_lock kernel/locking/lockdep.c:5630 [inline] lock_pin_lock+0xca/0x150 kernel/locking/lockdep.c:5961 rq_pin_lock kernel/sched/sched.h:1890 [inline] rq_lock kernel/sched/sched.h:1969 [inline] ttwu_queue kernel/sched/core.c:3976 [inline] try_to_wake_up+0x697/0x1380 kernel/sched/core.c:4302 signal_wake_up_state+0xb5/0x120 kernel/signal.c:734 posixtimer_send_sigqueue+0x3ff/0xa70 kernel/signal.c:2078 posix_timer_queue_signal kernel/time/posix-timers.c:357 [inline] posix_timer_fn+0x11d/0x1b0 kernel/time/posix-timers.c:372 __run_hrtimer kernel/time/hrtimer.c:1930 [inline] __hrtimer_run_queues+0x3c0/0xa20 kernel/time/hrtimer.c:1994 hrtimer_interrupt+0x44b/0x950 kernel/time/hrtimer.c:2113 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] __sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1067 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1061 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:finish_task_switch+0x427/0xbe0 kernel/sched/core.c:5245 Code: 41 c7 84 24 e0 0d 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 16 28 17 0a e8 31 fc 38 00 fb 49 8d bd b0 16 00 00 <48> 89 f8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 7b 03 00 00 41 80 RSP: 0018:ffffc900025577d0 EFLAGS: 00000206 RAX: 00000000001360dd RBX: 1ffff110170c7784 RCX: 0000000080000001 RDX: 0000000000000000 RSI: ffffffff8dfad387 RDI: ffff888011d7d430 RBP: ffffc90002557830 R08: ffffffff9030daf7 R09: 1ffffffff2061b5e R10: dffffc0000000000 R11: fffffbfff2061b5f R12: ffff8880b863ae88 R13: ffff888011d7bd80 R14: ffff8880286e0000 R15: dffffc0000000000 context_switch kernel/sched/core.c:5391 [inline] __schedule+0x1829/0x5740 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_irq include/linux/spinlock_api_smp.h:188 [inline] _raw_spin_unlock_irq+0x45/0x50 kernel/locking/spinlock.c:206 process_one_work kernel/workqueue.c:3283 [inline] process_scheduled_works+0x953/0x1860 kernel/workqueue.c:3397 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3478 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