Extracting prog: 3m47.803561365s Minimizing prog: 1h38m5.029496491s Simplifying prog options: 0s Extracting C: 2m16.069760864s Simplifying C: 24m34.344982408s extracting reproducer from 11 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs: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}}): socket$inet_udp-socket$xdp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-ptrace-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-timer_create-fcntl$lock-fcntl$lock-mprotect-timer_settime-connect$inet detailed listing: executing program 0: r0 = socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000400)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f0000000300)='syzkaller\x00', 0x8, 0xba, &(0x7f0000000140)=""/186, 0x41100, 0x2e, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x20037}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ptrace(0x4206, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='cpuacct.usage_percpu\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r1, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r1, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) fcntl$lock(r1, 0x7, &(0x7f00000000c0)={0x1, 0x2, 0x8, 0x73e9}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r2, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) connect$inet(r0, &(0x7f0000000480)={0x2, 0x4e24, @local}, 0x10) program crashed: INFO: rcu detected stall in security_file_ioctl single: successfully extracted reproducer found reproducer with 16 syscalls minimizing guilty program testing program (duration=4m53.84601401s, {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}}): socket$inet_udp-socket$xdp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-ptrace-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-timer_create-fcntl$lock-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000400)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f0000000300)='syzkaller\x00', 0x8, 0xba, &(0x7f0000000140)=""/186, 0x41100, 0x2e, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x20037}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ptrace(0x4206, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='cpuacct.usage_percpu\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) fcntl$lock(r0, 0x7, &(0x7f00000000c0)={0x1, 0x2, 0x8, 0x73e9}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=4m53.84601401s, {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}}): socket$inet_udp-socket$xdp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-ptrace-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-timer_create-fcntl$lock-fcntl$lock-mprotect detailed listing: executing program 0: socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000400)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f0000000300)='syzkaller\x00', 0x8, 0xba, &(0x7f0000000140)=""/186, 0x41100, 0x2e, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x20037}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ptrace(0x4206, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='cpuacct.usage_percpu\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) fcntl$lock(r0, 0x7, &(0x7f00000000c0)={0x1, 0x2, 0x8, 0x73e9}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) program did not crash testing program (duration=4m53.84601401s, {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}}): socket$inet_udp-socket$xdp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-ptrace-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-timer_create-fcntl$lock-fcntl$lock-timer_settime detailed listing: executing program 0: socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000400)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f0000000300)='syzkaller\x00', 0x8, 0xba, &(0x7f0000000140)=""/186, 0x41100, 0x2e, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x20037}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ptrace(0x4206, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='cpuacct.usage_percpu\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) fcntl$lock(r0, 0x7, &(0x7f00000000c0)={0x1, 0x2, 0x8, 0x73e9}) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program did not crash testing program (duration=4m53.84601401s, {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}}): socket$inet_udp-socket$xdp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-ptrace-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000400)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f0000000300)='syzkaller\x00', 0x8, 0xba, &(0x7f0000000140)=""/186, 0x41100, 0x2e, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x20037}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ptrace(0x4206, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='cpuacct.usage_percpu\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=4m53.84601401s, {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}}): socket$inet_udp-socket$xdp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-ptrace-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-timer_create-mprotect-timer_settime detailed listing: executing program 0: socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000400)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f0000000300)='syzkaller\x00', 0x8, 0xba, &(0x7f0000000140)=""/186, 0x41100, 0x2e, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x20037}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ptrace(0x4206, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='cpuacct.usage_percpu\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program did not crash testing program (duration=4m53.84601401s, {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}}): socket$inet_udp-socket$xdp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-ptrace-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-fcntl$lock-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000400)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f0000000300)='syzkaller\x00', 0x8, 0xba, &(0x7f0000000140)=""/186, 0x41100, 0x2e, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x20037}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ptrace(0x4206, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='cpuacct.usage_percpu\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) fcntl$lock(r0, 0x26, &(0x7f0000000280)={0x1, 0x0, 0x9, 0x9}) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program did not crash testing program (duration=4m53.84601401s, {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}}): socket$inet_udp-socket$xdp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-ptrace-sched_setscheduler-openat$cgroup_ro-close_range-fcntl$lock-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000400)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f0000000300)='syzkaller\x00', 0x8, 0xba, &(0x7f0000000140)=""/186, 0x41100, 0x2e, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x20037}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ptrace(0x4206, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='cpuacct.usage_percpu\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) fcntl$lock(r0, 0x6, &(0x7f0000000000)={0x0, 0x0, 0x8}) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r1, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=4m53.84601401s, {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}}): socket$inet_udp-socket$xdp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-ptrace-sched_setscheduler-openat$cgroup_ro-close_range-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000400)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f0000000300)='syzkaller\x00', 0x8, 0xba, &(0x7f0000000140)=""/186, 0x41100, 0x2e, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x20037}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ptrace(0x4206, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='cpuacct.usage_percpu\x00', 0x275a, 0x0) close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in syscall_enter_from_user_mode testing program (duration=4m53.84601401s, {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}}): socket$inet_udp-socket$xdp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-ptrace-sched_setscheduler-openat$cgroup_ro-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000400)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f0000000300)='syzkaller\x00', 0x8, 0xba, &(0x7f0000000140)=""/186, 0x41100, 0x2e, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x20037}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ptrace(0x4206, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='cpuacct.usage_percpu\x00', 0x275a, 0x0) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in syscall_enter_from_user_mode testing program (duration=4m53.84601401s, {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}}): socket$inet_udp-socket$xdp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-ptrace-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000400)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f0000000300)='syzkaller\x00', 0x8, 0xba, &(0x7f0000000140)=""/186, 0x41100, 0x2e, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x20037}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ptrace(0x4206, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in syscall_enter_from_user_mode testing program (duration=4m53.84601401s, {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}}): socket$inet_udp-socket$xdp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-ptrace-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000400)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f0000000300)='syzkaller\x00', 0x8, 0xba, &(0x7f0000000140)=""/186, 0x41100, 0x2e, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x20037}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) ptrace(0x4206, 0x0) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program did not crash testing program (duration=4m53.84601401s, {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}}): socket$inet_udp-socket$xdp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000400)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f0000000300)='syzkaller\x00', 0x8, 0xba, &(0x7f0000000140)=""/186, 0x41100, 0x2e, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x20037}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=4m53.84601401s, {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}}): socket$inet_udp-socket$xdp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000400)={0x11, 0x3, &(0x7f0000000100)=ANY=[], &(0x7f0000000300)='syzkaller\x00', 0x8, 0xba, &(0x7f0000000140)=""/186, 0x41100, 0x2e, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x20037}, 0x94) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program did not crash testing program (duration=4m53.84601401s, {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}}): socket$inet_udp-socket$xdp-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet_udp(0x2, 0x2, 0x0) socket$xdp(0x2c, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=4m53.84601401s, {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}}): socket$inet_udp-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: socket$inet_udp(0x2, 0x2, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=4m53.84601401s, {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-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=4m53.84601401s, {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-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program did not crash testing program (duration=4m53.84601401s, {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-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program did not crash testing program (duration=4m53.84601401s, {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-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) timer_create(0x0, 0x0, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program did not crash testing program (duration=4m53.84601401s, {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-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(0x0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program did not crash testing program (duration=4m53.84601401s, {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-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program did not crash testing program (duration=4m53.84601401s, {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-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=4m53.84601401s, {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-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode simplifying C reproducer testing compiled C program (duration=4m53.84601401s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in sys_openat a never seen crash title: INFO: rcu detected stall in sys_openat, ignore testing compiled C program (duration=4m53.84601401s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program did not crash testing compiled C program (duration=4m53.84601401s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=4m53.84601401s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing compiled C program (duration=4m53.84601401s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in sys_getpid a never seen crash title: INFO: rcu detected stall in sys_getpid, ignore testing compiled C program (duration=4m53.84601401s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program did not crash testing compiled C program (duration=4m53.84601401s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted testing program (duration=4m53.84601401s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in wb_workfn validation run: crashed=true testing program (duration=4m53.84601401s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode validation run: crashed=true testing program (duration=4m53.84601401s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x6) timer_create(0x0, &(0x7f0000000240)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=0x0) fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5}) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) timer_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true reproducing took 2h18m19.832040388s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: (detected by 0, t=10502 jiffies, g=7161, q=253) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294954567-4294944065), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g7161 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:28112 pid: 15 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11c3/0x4350 kernel/sched/core.c:6395 schedule+0x11b/0x1e0 kernel/sched/core.c:6478 schedule_timeout+0x184/0x2d0 kernel/time/timer.c:2117 rcu_gp_fqs_loop+0x2be/0x11f0 kernel/rcu/tree.c:1972 rcu_gp_kthread+0x9a/0x370 kernel/rcu/tree.c:2145 kthread+0x42e/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4390 Comm: syz.2.19 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:hlock_class kernel/locking/lockdep.c:197 [inline] RIP: 0010:mark_lock+0x9c/0x320 kernel/locking/lockdep.c:4569 Code: 89 c7 41 81 e7 ff 1f 00 00 c1 e8 03 25 f8 03 00 00 48 8d b8 c0 10 1f 90 be 08 00 00 00 e8 1c a6 60 00 4c 0f a3 3d e4 6c c1 0e <73> 10 4b 8d 04 7f c1 e0 06 4c 8d b8 80 8f b7 8f eb 24 48 c7 c0 80 RSP: 0018:ffffc900035ff8a0 EFLAGS: 00000057 RAX: 0000000000000001 RBX: ffff88802c6e8000 RCX: ffffffff815da3d4 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff901f10f0 RBP: 0000000000000007 R08: ffffffff901f10f7 R09: 1ffffffff203e21e R10: dffffc0000000000 R11: fffffbfff203e21f R12: 0000000000000080 R13: dffffc0000000000 R14: ffff88802c6e8af0 R15: 0000000000000197 FS: 00007f1e63d176c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000058 CR3: 0000000074992000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mark_usage kernel/locking/lockdep.c:-1 [inline] __lock_acquire+0xd54/0x7b50 kernel/locking/lockdep.c:4966 lock_acquire+0x19e/0x400 kernel/locking/lockdep.c:5625 __might_fault+0xb3/0x110 mm/memory.c:5357 _copy_from_user+0x29/0x170 lib/usercopy.c:14 copy_from_user include/linux/uaccess.h:192 [inline] restore_sigcontext arch/x86/kernel/signal.c:91 [inline] __ia32_sys_rt_sigreturn+0x21c/0x750 arch/x86/kernel/signal.c:674 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f1e646584d9 Code: 11 06 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 0c 25 RSP: 002b:00007f1e63d16b40 EFLAGS: 00000206 ORIG_RAX: 000000000000000f RAX: ffffffffffffffda RBX: 00007f1e6493efa8 RCX: 00007f1e646584d9 RDX: 00007f1e63d16b40 RSI: 00007f1e63d16c70 RDI: 0000000000000021 RBP: 00007f1e6493efa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007f1e6493f038 R14: 00007ffd09737280 R15: 00007ffd09737368 report is corrupted, running repro again testing compiled C program (duration=4m53.84601401s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing compiled C program (duration=4m53.84601401s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: (detected by 0, t=10502 jiffies, g=5829, q=23) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294954545-4294944043), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g5829 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27440 pid: 15 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11c3/0x4350 kernel/sched/core.c:6395 schedule+0x11b/0x1e0 kernel/sched/core.c:6478 schedule_timeout+0x184/0x2d0 kernel/time/timer.c:2117 rcu_gp_fqs_loop+0x2be/0x11f0 kernel/rcu/tree.c:1972 rcu_gp_kthread+0x9a/0x370 kernel/rcu/tree.c:2145 kthread+0x42e/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 rcu: Stack dump where RCU GP kthread last ran: NMI backtrace for cpu 0 CPU: 0 PID: 4199 Comm: syz-executor152 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106 nmi_cpu_backtrace+0x3a2/0x3d0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x163/0x280 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline] rcu_check_gp_kthread_starvation+0x1cd/0x250 kernel/rcu/tree_stall.h:487 print_other_cpu_stall+0x1110/0x1270 kernel/rcu/tree_stall.h:592 check_cpu_stall kernel/rcu/tree_stall.h:745 [inline] rcu_pending kernel/rcu/tree.c:3936 [inline] rcu_sched_clock_irq+0x845/0x1120 kernel/rcu/tree.c:2619 update_process_times+0x193/0x200 kernel/time/timer.c:2021 tick_sched_handle kernel/time/tick-sched.c:254 [inline] tick_sched_timer+0x37d/0x560 kernel/time/tick-sched.c:1473 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x4b0/0xb60 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x397/0x8b0 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline] __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:lock_acquire+0x208/0x400 kernel/locking/lockdep.c:5629 Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3d 04 f8 0f 85 f1 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 43 c7 44 3d 08 00 00 00 00 65 48 8b 04 RSP: 0018:ffffc900022c7b00 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 53839d11bf8f9300 RDX: 0000000000000000 RSI: ffffffff8a2b3e80 RDI: ffffffff8a7a48c0 RBP: ffffc900022c7c20 R08: dffffc0000000000 R09: 1ffffffff203e21e R10: dffffc0000000000 R11: fffffbfff203e21f R12: ffff8880193fc728 R13: 1ffff92000458f6c R14: 0000000000000246 R15: dffffc0000000000 __might_fault+0xb3/0x110 mm/memory.c:5357 _copy_to_user+0x29/0x130 lib/usercopy.c:35 copy_to_user include/linux/uaccess.h:200 [inline] copy_siginfo_to_user+0x20/0x80 kernel/signal.c:3380 __setup_rt_frame arch/x86/kernel/signal.c:490 [inline] setup_rt_frame arch/x86/kernel/signal.c:780 [inline] handle_signal arch/x86/kernel/signal.c:824 [inline] arch_do_signal_or_restart+0xcf9/0x12a0 arch/x86/kernel/signal.c:869 handle_signal_work kernel/entry/common.c:157 [inline] exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:181 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:217 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:310 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f4f53903d07 Code: 00 85 c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 RSP: 002b:00007f4f538e2178 EFLAGS: 00000246 RAX: 00000000000000ca RBX: 00007f4f539b4b28 RCX: 00007f4f53903d09 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f539b4b28 RBP: 00007f4f539b4b20 R08: 00007f4f538e2cdc R09: 00007f4f538e2cdc R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f539b4b2c R13: 0000000000000000 R14: 00007ffdfdec99f0 R15: 00007ffdfdec9ad8