Extracting prog: 23m44.612807765s Minimizing prog: 1h23m6.179543857s Simplifying prog options: 0s Extracting C: 2m50.520579333s Simplifying C: 52m29.538330728s 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}}): unshare-syz_mount_image$ext4-mmap-socketpair$unix-recvmmsg detailed listing: executing program 0: unshare(0x4000400) syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x2008002, &(0x7f0000000080), 0x1, 0x53d, &(0x7f0000000a80)="$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") mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) recvmmsg(r0, 0x0, 0x0, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_emit_ethernet detailed listing: executing program 0: syz_emit_ethernet(0x4a, &(0x7f0000000600)=ANY=[@ANYBLOB="ffffffffffffaaaaaaaaaa1688a82d00810021008848000000000000000000000000b0d8d0f56fded70575da4341043584f4cc30159f5f3a3fe0cb5193796d0580540513790b4456b5fa0dd60cc4f8f6"], 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-openat-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-ioctl$BINDER_WRITE_READ-dup3-openat$binderfs-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-mmap$binder-ioctl$BINDER_SET_CONTEXT_MGR_EXT-ioctl$BINDER_WRITE_READ-ioctl$BINDER_WRITE_READ-prlimit64-ioctl$BINDER_WRITE_READ detailed listing: executing program 0: bpf$PROG_LOAD(0x5, 0x0, 0x0) openat(0xffffffffffffff9c, 0x0, 0x20040, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0) r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100)) r1 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000180)='./binderfs/binder0\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000080)={0x8, 0x0, &(0x7f0000000400)=[@increfs], 0x0, 0x0, 0x0}) r2 = dup3(r1, r0, 0x0) r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs/binder0\x00', 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r4 = getpid() sched_setscheduler(r4, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r5, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r6, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r5, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mmap$binder(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1, 0x11, r3, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r3, 0x4018620d, &(0x7f00000002c0)={0x73622a85, 0x10a}) ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000003c0)={0x8, 0x0, &(0x7f0000000000)=[@acquire], 0x0, 0x0, 0x0}) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f00000001c0)={0x4c, 0x0, &(0x7f0000000540)=[@transaction_sg={0x40486311, {0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x48, 0x18, &(0x7f00000004c0)={@fd={0x66642a85, 0x0, r0}, @fd={0x66642a85, 0x0, r3}, @fd={0x66642a85, 0x0, r0}}, &(0x7f0000000200)={0x0, 0x18, 0x30}}}], 0x0, 0x0, 0x0}) prlimit64(0x0, 0x7, &(0x7f0000000ec0), 0x0) ioctl$BINDER_WRITE_READ(r3, 0xc0306201, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x1, 0x1000000000000, &(0x7f0000000780)="cb"}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap-prlimit64-getpid-sched_setscheduler-timer_create-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_MSRS-openat$ptmx-readv-readv-timer_settime detailed listing: executing program 0: mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21}, &(0x7f0000000040)) r1 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, 0x0) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) readv(r3, &(0x7f0000001340)=[{&(0x7f0000000580)=""/148, 0x94}], 0x1) readv(r3, &(0x7f0000000000)=[{&(0x7f0000000740)=""/73, 0x49}], 0x1) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 12 syscalls minimizing guilty program testing program (duration=6m0.787284538s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap-prlimit64-getpid-sched_setscheduler-timer_create-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_MSRS-openat$ptmx-readv-readv detailed listing: executing program 0: mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21}, &(0x7f0000000040)) r1 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, 0x0) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) readv(r3, &(0x7f0000001340)=[{&(0x7f0000000580)=""/148, 0x94}], 0x1) readv(r3, &(0x7f0000000000)=[{&(0x7f0000000740)=""/73, 0x49}], 0x1) program did not crash testing program (duration=6m0.787284538s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap-prlimit64-getpid-sched_setscheduler-timer_create-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_MSRS-openat$ptmx-readv-timer_settime detailed listing: executing program 0: mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21}, &(0x7f0000000040)) r1 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, 0x0) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) readv(r3, &(0x7f0000001340)=[{&(0x7f0000000580)=""/148, 0x94}], 0x1) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0.787284538s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap-prlimit64-getpid-sched_setscheduler-timer_create-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_MSRS-openat$ptmx-timer_settime detailed listing: executing program 0: mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21}, &(0x7f0000000040)) r1 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_enter_from_user_mode testing program (duration=6m0.787284538s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap-prlimit64-getpid-sched_setscheduler-timer_create-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_MSRS-timer_settime detailed listing: executing program 0: mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21}, &(0x7f0000000040)) r1 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, 0x0) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0.787284538s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap-prlimit64-getpid-sched_setscheduler-timer_create-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-timer_settime detailed listing: executing program 0: mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21}, &(0x7f0000000040)) r1 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0.787284538s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mremap-prlimit64-getpid-sched_setscheduler-timer_create-ioctl$KVM_CREATE_VM-timer_settime detailed listing: executing program 0: mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21}, &(0x7f0000000040)) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) 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=6m0.787284538s, {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}}): mremap-prlimit64-getpid-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21}, &(0x7f0000000040)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0.787284538s, {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}}): mremap-prlimit64-getpid-sched_setscheduler-timer_settime detailed listing: executing program 0: mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0.787284538s, {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}}): mremap-prlimit64-getpid-timer_create-timer_settime detailed listing: executing program 0: mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) getpid() timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21}, &(0x7f0000000040)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0.787284538s, {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}}): mremap-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21}, &(0x7f0000000040)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in getpid testing program (duration=6m0.787284538s, {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}}): mremap-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21}, &(0x7f0000000040)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0.787284538s, {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)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21}, &(0x7f0000000040)) 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=6m0.787284538s, {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)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21}, &(0x7f0000000040)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0.787284538s, {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, &(0x7f00000000c0)={0x0, 0x21}, &(0x7f0000000040)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0.787284538s, {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)=0x7) timer_create(0x0, 0x0, &(0x7f0000000040)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0.787284538s, {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)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21}, 0x0) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0.787284538s, {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)=0x7) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21}, &(0x7f0000000040)) timer_settime(0x0, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0.787284538s, {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=6m0.787284538s, {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 corrupted testing compiled C program (duration=6m0.787284538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false 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=6m0.787284538s, {Threaded:false 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: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0.787284538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false 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=6m0.787284538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false 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=6m0.787284538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false 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=6m0.787284538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false 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=6m0.787284538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false 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=6m0.787284538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false 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=6m0.787284538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false 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=6m0.787284538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false 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 syscall_exit_to_user_mode testing compiled C program (duration=6m0.787284538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false 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 testing compiled C program (duration=6m0.787284538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false 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=6m0.787284538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true 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 corrupted testing compiled C program (duration=6m0.787284538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true 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 sys_mkdir a never seen crash title: INFO: rcu detected stall in sys_mkdir, ignore testing compiled C program (duration=6m0.787284538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true 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 corrupted reproducing took 2h42m10.851287893s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: (detected by 1, t=10502 jiffies, g=3609, q=74) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294964954-4294954452), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g3609 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:26816 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: 3618 Comm: syz-executor223 Not tainted 5.15.166-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:kasan_check_range+0x1ac/0x290 mm/kasan/generic.c:189 Code: 4c 89 d5 48 8d 5d 07 48 85 ed 48 0f 49 dd 48 83 e3 f8 48 29 dd 74 12 41 80 39 00 0f 85 a2 00 00 00 49 ff c1 48 ff cd 75 ee 5b <41> 5e 41 5f 5d c3 45 84 f6 75 61 41 f7 c6 00 ff 00 00 75 5d 41 f7 RSP: 0018:ffffc90002e578c0 EFLAGS: 00000056 RAX: 0000000000000001 RBX: 000000000000019a RCX: ffffffff8162c529 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff907110f0 RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff20e221f R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff88801feda8a8 R14: fffffbfff20e221f R15: ffff88801feda8d0 FS: 000055556d02e3c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002006b000 CR3: 0000000072600000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: instrument_atomic_read include/linux/instrumented.h:71 [inline] test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] hlock_class kernel/locking/lockdep.c:197 [inline] __lock_acquire+0x1209/0x1ff0 kernel/locking/lockdep.c:5009 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __might_fault+0xb4/0x110 mm/memory.c:5327 rseq_get_rseq_cs kernel/rseq.c:131 [inline] rseq_ip_fixup kernel/rseq.c:244 [inline] __rseq_handle_notify_resume+0x11b/0x1250 kernel/rseq.c:292 rseq_handle_notify_resume include/linux/sched.h:2204 [inline] rseq_signal_deliver include/linux/sched.h:2213 [inline] setup_rt_frame arch/x86/kernel/signal.c:769 [inline] handle_signal arch/x86/kernel/signal.c:824 [inline] arch_do_signal_or_restart+0x27d/0x1890 arch/x86/kernel/signal.c:869 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: 0033:0x7f94bf9fe379 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 1a 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 01 48 RSP: 002b:00007ffe6c9e16a8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f94bf9fe379 RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f94bfa551d4 R13: 00007ffe6c9e19b0 R14: 00007ffe6c9e16e0 R15: 0000000000000000 report is corrupted, running repro again testing compiled C program (duration=6m0.787284538s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true 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 final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: (detected by 1, t=10502 jiffies, g=3465, q=234) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294969592-4294959090), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g3465 f0x2 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:27064 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: NMI backtrace for cpu 1 CPU: 1 PID: 3614 Comm: syz-executor312 Not tainted 5.15.166-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline] rcu_check_gp_kthread_starvation+0x1d2/0x240 kernel/rcu/tree_stall.h:487 print_other_cpu_stall+0x137a/0x14d0 kernel/rcu/tree_stall.h:592 check_cpu_stall kernel/rcu/tree_stall.h:745 [inline] rcu_pending kernel/rcu/tree.c:3932 [inline] rcu_sched_clock_irq+0xa38/0x1150 kernel/rcu/tree.c:2619 update_process_times+0x196/0x200 kernel/time/timer.c:1818 tick_sched_handle kernel/time/tick-sched.c:254 [inline] tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x55b/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:__local_bh_disable_ip+0x73/0x210 kernel/softirq.c:305 Code: 48 c7 44 24 28 8b a3 19 8c 48 c7 44 24 30 70 7b 4d 81 4c 8d 6c 24 20 49 c1 ed 03 48 b8 f1 f1 f1 f1 00 f2 f2 f2 4b 89 44 25 00 <66> 43 c7 44 25 09 f3 f3 43 c6 44 25 0b f3 65 8b 05 d0 f3 b4 7e a9 RSP: 0018:ffffc90002e77b80 EFLAGS: 00000a06 RAX: f2f2f200f1f1f1f1 RBX: 0000000000000000 RCX: ffff8880762ebb80 RDX: 0000000000000000 RSI: 0000000000000200 RDI: ffffffff812f1035 RBP: ffffc90002e77c58 R08: ffffffff815082f4 R09: fffffbfff1bd2b66 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff920005cef74 R14: ffffc90002e77be0 R15: 0000000000000200 fpregs_lock arch/x86/include/asm/fpu/api.h:70 [inline] fpu__clear_user_states+0x34/0x260 arch/x86/kernel/fpu/core.c:361 handle_signal arch/x86/kernel/signal.c:840 [inline] arch_do_signal_or_restart+0x1488/0x1890 arch/x86/kernel/signal.c:869 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: 0033:0x7f98dfa864b0 Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d 3a 05 03 00 e8 45 ea fa ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48 RSP: 002b:00007ffc9d159cb8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f98dfa5e379 RDX: 00007ffc9d159cc0 RSI: 00007ffc9d159df0 RDI: 0000000000000021 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f98dfab51d4 R13: 00007ffc9d15a550 R14: 00007ffc9d15a280 R15: 0000000000000000