Extracting prog: 2m36.25793834s Minimizing prog: 1h52m6.619773216s Simplifying prog options: 0s Extracting C: 3m0.147842282s Simplifying C: 21m5.101577125s 30 programs, timeouts [6m0s] extracting reproducer from 30 programs testing a last program of every proc single: executing 5 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-mmap-syz_emit_ethernet-copy_file_range-openat$uhid-clock_gettime-socket$vsock_stream-prlimit64-sched_setscheduler-sched_setscheduler-futex-timer_create-timer_settime-signalfd-read$FUSE-ioctl$KVM_CREATE_VCPU detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) r2 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r3 = open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e23, 0x8}}}}}, 0x0) copy_file_range(0xffffffffffffffff, &(0x7f0000000000), r3, 0x0, 0x0, 0x0) openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) clock_gettime(0x0, &(0x7f00000002c0)) socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) sched_setscheduler(0x0, 0x0, 0x0) futex(&(0x7f0000001300)=0x80000001, 0x800000000006, 0x0, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) r4 = signalfd(0xffffffffffffffff, 0x0, 0x0) read$FUSE(r4, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0xfffffffffffffffc) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode single: successfully extracted reproducer found reproducer with 24 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-mmap-syz_emit_ethernet-copy_file_range-openat$uhid-clock_gettime-socket$vsock_stream-prlimit64-sched_setscheduler-sched_setscheduler-futex-timer_create-timer_settime-signalfd-read$FUSE detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e23, 0x8}}}}}, 0x0) copy_file_range(0xffffffffffffffff, &(0x7f0000000000), r2, 0x0, 0x0, 0x0) openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) clock_gettime(0x0, &(0x7f00000002c0)) socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) sched_setscheduler(0x0, 0x0, 0x0) futex(&(0x7f0000001300)=0x80000001, 0x800000000006, 0x0, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) r3 = signalfd(0xffffffffffffffff, 0x0, 0x0) read$FUSE(r3, 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-mmap-syz_emit_ethernet-copy_file_range-openat$uhid-clock_gettime-socket$vsock_stream-prlimit64-sched_setscheduler-sched_setscheduler-futex-timer_create-timer_settime-signalfd detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e23, 0x8}}}}}, 0x0) copy_file_range(0xffffffffffffffff, &(0x7f0000000000), r2, 0x0, 0x0, 0x0) openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) clock_gettime(0x0, &(0x7f00000002c0)) socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) sched_setscheduler(0x0, 0x0, 0x0) futex(&(0x7f0000001300)=0x80000001, 0x800000000006, 0x0, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) signalfd(0xffffffffffffffff, 0x0, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-mmap-syz_emit_ethernet-copy_file_range-openat$uhid-clock_gettime-socket$vsock_stream-prlimit64-sched_setscheduler-sched_setscheduler-futex-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e23, 0x8}}}}}, 0x0) copy_file_range(0xffffffffffffffff, &(0x7f0000000000), r2, 0x0, 0x0, 0x0) openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) clock_gettime(0x0, &(0x7f00000002c0)) socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) sched_setscheduler(0x0, 0x0, 0x0) futex(&(0x7f0000001300)=0x80000001, 0x800000000006, 0x0, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-mmap-syz_emit_ethernet-copy_file_range-openat$uhid-clock_gettime-socket$vsock_stream-prlimit64-sched_setscheduler-sched_setscheduler-futex-timer_create detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e23, 0x8}}}}}, 0x0) copy_file_range(0xffffffffffffffff, &(0x7f0000000000), r2, 0x0, 0x0, 0x0) openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) clock_gettime(0x0, &(0x7f00000002c0)) socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) sched_setscheduler(0x0, 0x0, 0x0) futex(&(0x7f0000001300)=0x80000001, 0x800000000006, 0x0, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-mmap-syz_emit_ethernet-copy_file_range-openat$uhid-clock_gettime-socket$vsock_stream-prlimit64-sched_setscheduler-sched_setscheduler-futex-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e23, 0x8}}}}}, 0x0) copy_file_range(0xffffffffffffffff, &(0x7f0000000000), r2, 0x0, 0x0, 0x0) openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) clock_gettime(0x0, &(0x7f00000002c0)) socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) sched_setscheduler(0x0, 0x0, 0x0) futex(&(0x7f0000001300)=0x80000001, 0x800000000006, 0x0, 0x0, 0x0, 0x0) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-mmap-syz_emit_ethernet-copy_file_range-openat$uhid-clock_gettime-socket$vsock_stream-prlimit64-sched_setscheduler-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e23, 0x8}}}}}, 0x0) copy_file_range(0xffffffffffffffff, &(0x7f0000000000), r2, 0x0, 0x0, 0x0) openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) clock_gettime(0x0, &(0x7f00000002c0)) socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) sched_setscheduler(0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-mmap-syz_emit_ethernet-copy_file_range-openat$uhid-clock_gettime-socket$vsock_stream-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e23, 0x8}}}}}, 0x0) copy_file_range(0xffffffffffffffff, &(0x7f0000000000), r2, 0x0, 0x0, 0x0) openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) clock_gettime(0x0, &(0x7f00000002c0)) socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-mmap-syz_emit_ethernet-copy_file_range-openat$uhid-clock_gettime-socket$vsock_stream-prlimit64-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e23, 0x8}}}}}, 0x0) copy_file_range(0xffffffffffffffff, &(0x7f0000000000), r2, 0x0, 0x0, 0x0) openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) clock_gettime(0x0, &(0x7f00000002c0)) socket$vsock_stream(0x28, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-mmap-syz_emit_ethernet-copy_file_range-openat$uhid-clock_gettime-socket$vsock_stream-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e23, 0x8}}}}}, 0x0) copy_file_range(0xffffffffffffffff, &(0x7f0000000000), r2, 0x0, 0x0, 0x0) openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) clock_gettime(0x0, &(0x7f00000002c0)) socket$vsock_stream(0x28, 0x1, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-mmap-syz_emit_ethernet-copy_file_range-openat$uhid-clock_gettime-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e23, 0x8}}}}}, 0x0) copy_file_range(0xffffffffffffffff, &(0x7f0000000000), r2, 0x0, 0x0, 0x0) openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) clock_gettime(0x0, &(0x7f00000002c0)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-mmap-syz_emit_ethernet-copy_file_range-openat$uhid-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e23, 0x8}}}}}, 0x0) copy_file_range(0xffffffffffffffff, &(0x7f0000000000), r2, 0x0, 0x0, 0x0) openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-mmap-syz_emit_ethernet-copy_file_range-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e23, 0x8}}}}}, 0x0) copy_file_range(0xffffffffffffffff, &(0x7f0000000000), r2, 0x0, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in wb_workfn testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-mmap-syz_emit_ethernet-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@local, @empty, @void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x11, 0x0, @empty, @empty}, {0x0, 0x4e23, 0x8}}}}}, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in gc_worker testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-mmap-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-sendmsg$nl_route-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-socket$nl_route-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) socket$nl_route(0x10, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-write$binfmt_script-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) open(0x0, 0x0, 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0xfecc) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-open-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) open(0x0, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-ioctl$KVM_CREATE_VM-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-vmsplice-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) vmsplice(r1, 0x0, 0x0, 0xe) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-openat$cgroup_procs-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) openat$cgroup_procs(r0, &(0x7f0000000840)='cgroup.threads\x00', 0x2, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_TASK_FD_QUERY-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, 0x0, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, 0x0) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) timer_create(0x0, &(0x7f0000000680)={0x0, 0x21, 0x0, @tid=0xffffffffffffffff}, &(0x7f0000000100)) timer_settime(0x0, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in getpid a never seen crash title: INFO: rcu detected stall in getpid, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in rt_sigreturn a never seen crash title: INFO: rcu detected stall in rt_sigreturn, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode reproducing took 2h18m48.127146643s repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: (detected by 1, t=10502 jiffies, g=3181, q=70) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294952404-4294941902), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g3181 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:26240 pid: 15 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5027 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373 schedule+0x11b/0x1f0 kernel/sched/core.c:6456 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 3579 Comm: syz-executor365 Not tainted 5.15.166-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:task_wait_context kernel/locking/lockdep.c:4618 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4707 [inline] RIP: 0010:__lock_acquire+0x6dd/0x1ff0 kernel/locking/lockdep.c:4962 Code: 00 00 00 fc ff df eb a2 48 c7 c7 80 ef 7e 8c 48 89 de e8 26 5f c8 02 48 8b 0c 24 48 ba 00 00 00 00 00 fc ff df e9 5d ff ff ff <65> 8b 05 30 bc 9f 7e 41 b7 02 85 c0 48 8b 7c 24 10 75 1f 48 8b 44 RSP: 0018:ffffc90000007a80 EFLAGS: 00000096 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88801f426430 RDX: dffffc0000000000 RSI: 0000000000000002 RDI: ffffffff907110c8 RBP: 00000000ffffffff R08: dffffc0000000000 R09: fffffbfff20e221a R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff88801f426428 R14: 1ffff11003e84c8a R15: ffff88801f426450 FS: 00007f2d209096c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2d20908e40 CR3: 000000007897b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:170 __run_hrtimer kernel/time/hrtimer.c:1692 [inline] __hrtimer_run_queues+0x662/0xcf0 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202 Code: a1 68 f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 3e 1e 25 f7 48 89 df e8 16 72 26 f7 e8 b1 25 49 f7 fb bf 01 00 00 00 f6 b7 19 f7 65 8b 05 d7 ba c4 75 85 c0 74 02 5b c3 e8 a4 d7 c2 RSP: 0018:ffffc90002d97bc0 EFLAGS: 00000282 RAX: ce634cf43ccc5700 RBX: ffff8880224ea500 RCX: ffffffff96867f03 RDX: dffffc0000000000 RSI: ffffffff8a8b2a20 RDI: 0000000000000001 RBP: 0000000000000000 R08: ffffffff8186dac0 R09: ffffed100449d4a1 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000021 R13: dffffc0000000000 R14: ffff8880224ea998 R15: ffff8880224ea500 spin_unlock_irq include/linux/spinlock.h:413 [inline] get_signal+0x13ee/0x14e0 kernel/signal.c:2900 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f2d20950307 Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 RSP: 002b:00007f2d20909238 EFLAGS: 00000246 RAX: 00000000000000ca RBX: 00007f2d209d3308 RCX: 00007f2d20950309 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f2d209d3308 RBP: 00007f2d209d3300 R08: 00007f2d209096c0 R09: 00007f2d209096c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2d209d330c R13: 0000000000000000 R14: 00007ffd264188a0 R15: 00007ffd26418988 INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.163 msecs final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: (detected by 1, t=10502 jiffies, g=3181, q=70) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294952404-4294941902), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g3181 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:26240 pid: 15 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5027 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373 schedule+0x11b/0x1f0 kernel/sched/core.c:6456 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 3579 Comm: syz-executor365 Not tainted 5.15.166-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:task_wait_context kernel/locking/lockdep.c:4618 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4707 [inline] RIP: 0010:__lock_acquire+0x6dd/0x1ff0 kernel/locking/lockdep.c:4962 Code: 00 00 00 fc ff df eb a2 48 c7 c7 80 ef 7e 8c 48 89 de e8 26 5f c8 02 48 8b 0c 24 48 ba 00 00 00 00 00 fc ff df e9 5d ff ff ff <65> 8b 05 30 bc 9f 7e 41 b7 02 85 c0 48 8b 7c 24 10 75 1f 48 8b 44 RSP: 0018:ffffc90000007a80 EFLAGS: 00000096 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88801f426430 RDX: dffffc0000000000 RSI: 0000000000000002 RDI: ffffffff907110c8 RBP: 00000000ffffffff R08: dffffc0000000000 R09: fffffbfff20e221a R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff88801f426428 R14: 1ffff11003e84c8a R15: ffff88801f426450 FS: 00007f2d209096c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2d20908e40 CR3: 000000007897b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:170 __run_hrtimer kernel/time/hrtimer.c:1692 [inline] __hrtimer_run_queues+0x662/0xcf0 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202 Code: a1 68 f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 3e 1e 25 f7 48 89 df e8 16 72 26 f7 e8 b1 25 49 f7 fb bf 01 00 00 00 f6 b7 19 f7 65 8b 05 d7 ba c4 75 85 c0 74 02 5b c3 e8 a4 d7 c2 RSP: 0018:ffffc90002d97bc0 EFLAGS: 00000282 RAX: ce634cf43ccc5700 RBX: ffff8880224ea500 RCX: ffffffff96867f03 RDX: dffffc0000000000 RSI: ffffffff8a8b2a20 RDI: 0000000000000001 RBP: 0000000000000000 R08: ffffffff8186dac0 R09: ffffed100449d4a1 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000021 R13: dffffc0000000000 R14: ffff8880224ea998 R15: ffff8880224ea500 spin_unlock_irq include/linux/spinlock.h:413 [inline] get_signal+0x13ee/0x14e0 kernel/signal.c:2900 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:178 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f2d20950307 Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 RSP: 002b:00007f2d20909238 EFLAGS: 00000246 RAX: 00000000000000ca RBX: 00007f2d209d3308 RCX: 00007f2d20950309 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f2d209d3308 RBP: 00007f2d209d3300 R08: 00007f2d209096c0 R09: 00007f2d209096c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2d209d330c R13: 0000000000000000 R14: 00007ffd264188a0 R15: 00007ffd26418988 INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.163 msecs