Extracting prog: 9m43.467918542s Minimizing prog: 2h38m8.025386053s Simplifying prog options: 0s Extracting C: 4m14.6319198s Simplifying C: 38m11.483644629s extracting reproducer from 64 programs testing a last program of every proc single: executing 15 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-openat$null-preadv2-syz_open_dev$MSR-read$msr-ioctl$X86_IOC_RDMSR_REGS-bpf$BPF_GET_PROG_INFO-bpf$BPF_BTF_GET_NEXT_ID-bpf$OBJ_GET_MAP-openat$cgroup_ro-syz_open_dev$loop-ioctl$LOOP_CONFIGURE-bpf$PROG_LOAD-syz_open_procfs-mknodat$loop-unlink detailed listing: executing program 0: r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000100), 0x400, 0x0) preadv2(r3, &(0x7f0000000140)=[{&(0x7f0000000200)=""/105, 0x69}], 0x1, 0xbcf, 0x40, 0x6) r4 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r4, &(0x7f0000002000)=""/102400, 0x19000) ioctl$X86_IOC_RDMSR_REGS(r4, 0xc02063a0, 0x0) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f00000005c0)={r3, 0xe0, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, &(0x7f0000000280)=[0x0, 0x0, 0x0, 0x0, 0x0], ""/16, 0x0, 0x0, 0x0, 0x0, 0x8, 0x4, &(0x7f00000002c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000340)=[0x0, 0x0, 0x0, 0x0], 0x0, 0xc7, &(0x7f0000000380)=[{}, {}, {}], 0x18, 0x10, &(0x7f00000003c0), &(0x7f0000000400), 0x8, 0xe0, 0x8, 0x8, &(0x7f0000000480)}}, 0x10) bpf$BPF_BTF_GET_NEXT_ID(0x17, &(0x7f0000000680)={0x1c10, 0x0}, 0x8) r7 = bpf$OBJ_GET_MAP(0x7, &(0x7f0000000700)=@o_path={&(0x7f00000006c0)='./file1\x00', 0x0, 0x8, r4}, 0x18) r8 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='memory.current\x00', 0x275a, 0x0) r9 = syz_open_dev$loop(&(0x7f0000000140), 0x9, 0x40000) ioctl$LOOP_CONFIGURE(r9, 0x4c0a, &(0x7f00000002c0)={r8, 0x0, {0x2a00, 0x80010000, 0x0, 0x2, 0x0, 0x0, 0x0, 0xb, 0x1c, "fee8a2ab78fc979fd1e00d96072000001ea89de2b7fb0000e60080b8785d96000100", "2809e8dbe108598948224ad54afac11d875397bdb22d0000b420a1a93c5240f45f819e01177d3d458dd4992861ac00", "f4bd00000080190000000000000800", [0x0, 0x3]}}) bpf$PROG_LOAD(0x5, &(0x7f0000000840)={0x7, 0x8, &(0x7f0000000080)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffa, 0x0, 0x0, 0x0, 0x2c5}, [@ldst={0x2, 0x1, 0x4, 0x4, 0x3, 0xffffffffffffffff, 0xffffffffffffffff}, @btf_id={0x18, 0x8, 0x3, 0x0, 0x5}, @map_idx={0x18, 0xa, 0x5, 0x0, 0x2}]}, &(0x7f0000000180)='GPL\x00', 0x2, 0x0, 0x0, 0x41100, 0x35, '\x00', r5, @fallback=0x29, r3, 0x8, &(0x7f0000000600)={0x6, 0x3}, 0x8, 0x10, &(0x7f0000000640)={0x0, 0x7, 0x80, 0x670}, 0x10, r6, 0xffffffffffffffff, 0x2, &(0x7f00000007c0)=[r3, r7, r3, r3, 0xffffffffffffffff], &(0x7f0000000800)=[{0x5, 0x3, 0xc, 0xa}, {0x0, 0x4, 0x8, 0x6}], 0x10, 0xd}, 0x94) syz_open_procfs(0xffffffffffffffff, 0x0) mknodat$loop(0xffffffffffffffff, &(0x7f0000001600)='./file0\x00', 0xc000, 0x0) unlink(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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$vnet-ioctl$int_in-socket$packet-ioctl$VHOST_SET_VRING_ADDR-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) ioctl$int_in(r4, 0x40000000af01, 0x0) socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r4, 0x4028af11, &(0x7f00000000c0)={0x1, 0x1, 0x0, &(0x7f0000000080)=""/37, 0x0, 0xdddd0000}) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r6 = ioctl$KVM_CREATE_VM(r5, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r6, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r7 = ioctl$KVM_CREATE_VCPU(r6, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r6, r5, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r7, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r7, 0xae80, 0x0) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 23 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$vnet-ioctl$int_in-socket$packet-ioctl$VHOST_SET_VRING_ADDR-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86 detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) ioctl$int_in(r4, 0x40000000af01, 0x0) socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r4, 0x4028af11, &(0x7f00000000c0)={0x1, 0x1, 0x0, &(0x7f0000000080)=""/37, 0x0, 0xdddd0000}) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r6 = ioctl$KVM_CREATE_VM(r5, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r6, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r7 = ioctl$KVM_CREATE_VCPU(r6, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r6, r5, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r7, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$vnet-ioctl$int_in-socket$packet-ioctl$VHOST_SET_VRING_ADDR-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) ioctl$int_in(r4, 0x40000000af01, 0x0) socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r4, 0x4028af11, &(0x7f00000000c0)={0x1, 0x1, 0x0, &(0x7f0000000080)=""/37, 0x0, 0xdddd0000}) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r6 = ioctl$KVM_CREATE_VM(r5, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r6, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r7 = ioctl$KVM_CREATE_VCPU(r6, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r6, r5, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_RUN(r7, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$vnet-ioctl$int_in-socket$packet-ioctl$VHOST_SET_VRING_ADDR-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) ioctl$int_in(r4, 0x40000000af01, 0x0) socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r4, 0x4028af11, &(0x7f00000000c0)={0x1, 0x1, 0x0, &(0x7f0000000080)=""/37, 0x0, 0xdddd0000}) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r6 = ioctl$KVM_CREATE_VM(r5, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r6, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r7 = ioctl$KVM_CREATE_VCPU(r6, 0xae41, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r7, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r7, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$vnet-ioctl$int_in-socket$packet-ioctl$VHOST_SET_VRING_ADDR-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) ioctl$int_in(r4, 0x40000000af01, 0x0) socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r4, 0x4028af11, &(0x7f00000000c0)={0x1, 0x1, 0x0, &(0x7f0000000080)=""/37, 0x0, 0xdddd0000}) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r6 = ioctl$KVM_CREATE_VM(r5, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r6, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) syz_kvm_setup_cpu$x86(r6, r5, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(0xffffffffffffffff, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$vnet-ioctl$int_in-socket$packet-ioctl$VHOST_SET_VRING_ADDR-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) ioctl$int_in(r4, 0x40000000af01, 0x0) socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r4, 0x4028af11, &(0x7f00000000c0)={0x1, 0x1, 0x0, &(0x7f0000000080)=""/37, 0x0, 0xdddd0000}) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r6 = ioctl$KVM_CREATE_VM(r5, 0xae01, 0x0) r7 = ioctl$KVM_CREATE_VCPU(r6, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r6, r5, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r7, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r7, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$vnet-ioctl$int_in-socket$packet-ioctl$VHOST_SET_VRING_ADDR-openat$kvm-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) ioctl$int_in(r4, 0x40000000af01, 0x0) socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r4, 0x4028af11, &(0x7f00000000c0)={0x1, 0x1, 0x0, &(0x7f0000000080)=""/37, 0x0, 0xdddd0000}) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r6 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r5, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r6, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r6, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$vnet-ioctl$int_in-socket$packet-ioctl$VHOST_SET_VRING_ADDR-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) ioctl$int_in(r4, 0x40000000af01, 0x0) socket$packet(0x11, 0x3, 0x300) ioctl$VHOST_SET_VRING_ADDR(r4, 0x4028af11, &(0x7f00000000c0)={0x1, 0x1, 0x0, &(0x7f0000000080)=""/37, 0x0, 0xdddd0000}) r5 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r5, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r6 = ioctl$KVM_CREATE_VCPU(r5, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r5, 0xffffffffffffffff, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r6, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r6, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$vnet-ioctl$int_in-socket$packet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) ioctl$int_in(r4, 0x40000000af01, 0x0) socket$packet(0x11, 0x3, 0x300) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r6 = ioctl$KVM_CREATE_VM(r5, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r6, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r7 = ioctl$KVM_CREATE_VCPU(r6, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r6, r5, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r7, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r7, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$vnet-ioctl$int_in-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) ioctl$int_in(r4, 0x40000000af01, 0x0) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r6 = ioctl$KVM_CREATE_VM(r5, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r6, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r7 = ioctl$KVM_CREATE_VCPU(r6, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r6, r5, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r7, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r7, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r5, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r6 = ioctl$KVM_CREATE_VCPU(r5, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r5, r4, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r6, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r6, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r5, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r6 = ioctl$KVM_CREATE_VCPU(r5, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r5, r4, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r6, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r6, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r4, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r4, r3, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r5, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r5, 0xae80, 0x0) program crashed: INFO: rcu detected stall in sys_unlink 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r4, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r4, r3, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r5, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r5, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r3, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r3, r2, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r4, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r4, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r3, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r3, r2, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r4, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r4, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000000)=0x3) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r3, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r3, r2, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r4, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r4, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) getpid() openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r1, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r3, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r3, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r1, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r3, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r3, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-sched_setscheduler-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r1, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r3, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r3, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prlimit64-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r1, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r3, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r3, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r1, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r3, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r3, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: r0 = getpgrp(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, r0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, r1, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r3, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r3, 0xae80, 0x0) program crashed: INFO: rcu detected stall in rtnl_newlink 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r0, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r2, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r2, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r0, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r2, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r2, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r0, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r2, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r2, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, 0x0, 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r0, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r2, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r2, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r0, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r2, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r2, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r0, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r2, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r2, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r0, &(0x7f00003a1000/0x18000)=nil, 0x0, 0x0, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r2, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r2, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r0, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, 0x0}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r2, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r2, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r0, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r2, 0x4048ae9b, 0x0) ioctl$KVM_RUN(r2, 0xae80, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: INFO: rcu detected stall in corrupted simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: WARNING in rcu_check_gp_start_stall a never seen crash title: WARNING in rcu_check_gp_start_stall, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: INFO: rcu detected stall in security_file_open a never seen crash title: INFO: rcu detected stall in security_file_open, ignore testing compiled C program (duration=6m0s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: INFO: rcu detected stall in sys_sendto a never seen crash title: INFO: rcu detected stall in sys_sendto, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: INFO: rcu detected stall in cfg80211_wiphy_work a never seen crash title: INFO: rcu detected stall in cfg80211_wiphy_work, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: INFO: rcu detected stall in gc_worker a never seen crash title: INFO: rcu detected stall in gc_worker, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r0, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r2, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r2, 0xae80, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r0, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r2, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r2, 0xae80, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-openat$vnet-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_SET_GUEST_DEBUG_x86-ioctl$KVM_RUN detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) openat$vnet(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r0, &(0x7f00003a1000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="9a01000000f800b8d58800000f23d00f21f8351000000d0f23f864640f79ea66baf80cb8c85f5480ef66bafc0cecc4c2adac17b9550200000f320f2860c7c4e11751df0f2e2d00000080b9800000c00f3235008000000f30", 0x58}], 0x1, 0x4a, 0x0, 0x0) ioctl$KVM_SET_GUEST_DEBUG_x86(r2, 0x4048ae9b, &(0x7f0000000080)={0x40003, 0x0, {[0xffffffffffffffff, 0x0, 0x8, 0xfffffffdefffff16, 0x3, 0x10, 0x4, 0x4]}}) ioctl$KVM_RUN(r2, 0xae80, 0x0) program crashed: INFO: rcu detected stall in netlink_recvmsg validation run: crashed=true reproducing took 3h41m24.980482068s repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5191/1:b.el rcu: (detected by 1, t=10502 jiffies, g=11677, q=274 ncpus=2) task:udevd state:R running task stack:26472 pid:5191 tgid:5191 ppid:1 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:kasan_byte_accessible+0x18/0x30 mm/kasan/generic.c:212 Code: 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 b8 00 00 00 00 00 fc ff df 48 c1 ef 03 48 01 c7 0f b6 07 <3c> 07 0f 96 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f RSP: 0018:ffffc90003a474a0 EFLAGS: 00000286 RAX: 0000000000000000 RBX: ffffffff8e3c96a0 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffffffff816cb681 RDI: fffffbfff1c792d4 RBP: ffffffff8e3c96a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000083b41 R12: ffffffff816cb681 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 __kasan_check_byte+0x13/0x50 mm/kasan/common.c:573 kasan_check_byte include/linux/kasan.h:402 [inline] lock_acquire kernel/locking/lockdep.c:5842 [inline] lock_acquire+0xfc/0x330 kernel/locking/lockdep.c:5825 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:867 [inline] class_rcu_constructor include/linux/rcupdate.h:1195 [inline] unwind_next_frame+0xd1/0x20b0 arch/x86/kernel/unwind_orc.c:495 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2540 [inline] slab_free mm/slub.c:6670 [inline] kmem_cache_free+0x2d8/0x770 mm/slub.c:6781 kfree_skbmem+0x1a4/0x1f0 net/core/skbuff.c:1130 __kfree_skb net/core/skbuff.c:1197 [inline] consume_skb net/core/skbuff.c:1428 [inline] consume_skb+0xcc/0x100 net/core/skbuff.c:1422 netlink_recvmsg+0x5b9/0xa90 net/netlink/af_netlink.c:1972 sock_recvmsg_nosec net/socket.c:1078 [inline] sock_recvmsg+0x1f9/0x250 net/socket.c:1100 ____sys_recvmsg+0x218/0x6b0 net/socket.c:2812 ___sys_recvmsg+0x114/0x1a0 net/socket.c:2854 __sys_recvmsg+0x16a/0x220 net/socket.c:2887 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd6b22a7407 RSP: 002b:00007fff89341350 EFLAGS: 00000202 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 00007fd6b2aae880 RCX: 00007fd6b22a7407 RDX: 0000000000000000 RSI: 00007fff893413e0 RDI: 0000000000000004 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000055ce9df56d80 R13: 00007fff893414a0 R14: 00007fff893413ec R15: 0000000000000000 rcu: rcu_preempt kthread starved for 10547 jiffies! g11677 f0x0 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:28584 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 __schedule_loop kernel/sched/core.c:6945 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6960 schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x1ea/0xaf0 kernel/rcu/tree.c:2083 rcu_gp_kthread+0x26d/0x380 kernel/rcu/tree.c:2285 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82 Code: c6 5f 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 13 49 12 00 fb f4 cc 35 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 RSP: 0000:ffffffff8e007df8 EFLAGS: 000002c6 RAX: 0000000000138781 RBX: 0000000000000000 RCX: ffffffff8b7816d9 RDX: 0000000000000000 RSI: ffffffff8dace4f3 RDI: ffffffff8bf2b480 RBP: fffffbfff1c12f68 R08: 0000000000000001 R09: ffffed101708673d R10: ffff8880b84339eb R11: ffffffff8e098670 R12: 0000000000000000 R13: ffffffff8e097b40 R14: ffffffff9088b9d0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881248f5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000001f76b000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000410 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline] default_idle+0x13/0x20 arch/x86/kernel/process.c:767 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122 cpuidle_idle_call kernel/sched/idle.c:191 [inline] do_idle+0x38d/0x510 kernel/sched/idle.c:332 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430 rest_init+0x16b/0x2b0 init/main.c:757 start_kernel+0x3ef/0x4d0 init/main.c:1206 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:310 x86_64_start_kernel+0x130/0x190 arch/x86/kernel/head64.c:291 common_startup_64+0x13e/0x148 final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5191/1:b.el rcu: (detected by 1, t=10502 jiffies, g=11677, q=274 ncpus=2) task:udevd state:R running task stack:26472 pid:5191 tgid:5191 ppid:1 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:kasan_byte_accessible+0x18/0x30 mm/kasan/generic.c:212 Code: 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 b8 00 00 00 00 00 fc ff df 48 c1 ef 03 48 01 c7 0f b6 07 <3c> 07 0f 96 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f RSP: 0018:ffffc90003a474a0 EFLAGS: 00000286 RAX: 0000000000000000 RBX: ffffffff8e3c96a0 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffffffff816cb681 RDI: fffffbfff1c792d4 RBP: ffffffff8e3c96a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000083b41 R12: ffffffff816cb681 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 __kasan_check_byte+0x13/0x50 mm/kasan/common.c:573 kasan_check_byte include/linux/kasan.h:402 [inline] lock_acquire kernel/locking/lockdep.c:5842 [inline] lock_acquire+0xfc/0x330 kernel/locking/lockdep.c:5825 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:867 [inline] class_rcu_constructor include/linux/rcupdate.h:1195 [inline] unwind_next_frame+0xd1/0x20b0 arch/x86/kernel/unwind_orc.c:495 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:253 [inline] __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:285 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2540 [inline] slab_free mm/slub.c:6670 [inline] kmem_cache_free+0x2d8/0x770 mm/slub.c:6781 kfree_skbmem+0x1a4/0x1f0 net/core/skbuff.c:1130 __kfree_skb net/core/skbuff.c:1197 [inline] consume_skb net/core/skbuff.c:1428 [inline] consume_skb+0xcc/0x100 net/core/skbuff.c:1422 netlink_recvmsg+0x5b9/0xa90 net/netlink/af_netlink.c:1972 sock_recvmsg_nosec net/socket.c:1078 [inline] sock_recvmsg+0x1f9/0x250 net/socket.c:1100 ____sys_recvmsg+0x218/0x6b0 net/socket.c:2812 ___sys_recvmsg+0x114/0x1a0 net/socket.c:2854 __sys_recvmsg+0x16a/0x220 net/socket.c:2887 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd6b22a7407 RSP: 002b:00007fff89341350 EFLAGS: 00000202 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 00007fd6b2aae880 RCX: 00007fd6b22a7407 RDX: 0000000000000000 RSI: 00007fff893413e0 RDI: 0000000000000004 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000055ce9df56d80 R13: 00007fff893414a0 R14: 00007fff893413ec R15: 0000000000000000 rcu: rcu_preempt kthread starved for 10547 jiffies! g11677 f0x0 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:28584 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 __schedule_loop kernel/sched/core.c:6945 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:6960 schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x1ea/0xaf0 kernel/rcu/tree.c:2083 rcu_gp_kthread+0x26d/0x380 kernel/rcu/tree.c:2285 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82 Code: c6 5f 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 13 49 12 00 fb f4 cc 35 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 RSP: 0000:ffffffff8e007df8 EFLAGS: 000002c6 RAX: 0000000000138781 RBX: 0000000000000000 RCX: ffffffff8b7816d9 RDX: 0000000000000000 RSI: ffffffff8dace4f3 RDI: ffffffff8bf2b480 RBP: fffffbfff1c12f68 R08: 0000000000000001 R09: ffffed101708673d R10: ffff8880b84339eb R11: ffffffff8e098670 R12: 0000000000000000 R13: ffffffff8e097b40 R14: ffffffff9088b9d0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881248f5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000001f76b000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000410 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline] default_idle+0x13/0x20 arch/x86/kernel/process.c:767 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122 cpuidle_idle_call kernel/sched/idle.c:191 [inline] do_idle+0x38d/0x510 kernel/sched/idle.c:332 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430 rest_init+0x16b/0x2b0 init/main.c:757 start_kernel+0x3ef/0x4d0 init/main.c:1206 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:310 x86_64_start_kernel+0x130/0x190 arch/x86/kernel/head64.c:291 common_startup_64+0x13e/0x148