Extracting prog: 8m33.485413727s Minimizing prog: 1h25m2.068921636s Simplifying prog options: 13m55.2134516s Extracting C: 5m12.451423815s Simplifying C: 0s extracting reproducer from 23 programs testing a last program of every proc single: executing 5 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$xdp-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-socket$tipc-ioctl$sock_SIOCGIFINDEX-bind$xdp detailed listing: executing program 0: r0 = socket$xdp(0x2c, 0x3, 0x0) r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000600)={0x11, 0x3, &(0x7f0000000200)=@framed={{0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40000}}, &(0x7f00000003c0)='GPL\x00'}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000140)='contention_end\x00', r1}, 0x10) r2 = socket$tipc(0x1e, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000400)={'dummy0\x00', 0x0}) bind$xdp(r0, &(0x7f0000000100)={0x2c, 0x0, r3}, 0x10) 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}}): sendmsg$nl_route_sched-sendmsg$nl_route_sched-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-socket$pppoe-connect$pppoe-write$FUSE_DIRENTPLUS-socket$pppoe-connect$pppoe-openat$ppp-ioctl$PPPIOCATTCHAN-sched_setscheduler-timer_create-timer_settime-futex-exit detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00'}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000400)={0x18, 0x0, {0x2, @dev={'\xaa\xaa\xaa\xaa\xaa', 0xa}, 'lo\x00'}}, 0x1e) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000001180)={0x10, 0xffffffda, 0x3}, 0x10) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000300)={0x18, 0x0, {0x15, @remote, 'ip6gre0\x00'}}, 0x1e) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$PPPIOCATTCHAN(r2, 0x40047438, &(0x7f0000000040)=0x2) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) futex(&(0x7f000000cffc)=0x1, 0xd, 0x0, 0x0, 0x0, 0x0) exit(0x0) program crashed: INFO: rcu detected stall in validate_mm single: successfully extracted reproducer found reproducer with 16 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}}): sendmsg$nl_route_sched-sendmsg$nl_route_sched-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-socket$pppoe-connect$pppoe-write$FUSE_DIRENTPLUS-socket$pppoe-connect$pppoe-openat$ppp-ioctl$PPPIOCATTCHAN-sched_setscheduler-timer_create-timer_settime-futex detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00'}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000400)={0x18, 0x0, {0x2, @dev={'\xaa\xaa\xaa\xaa\xaa', 0xa}, 'lo\x00'}}, 0x1e) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000001180)={0x10, 0xffffffda, 0x3}, 0x10) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000300)={0x18, 0x0, {0x15, @remote, 'ip6gre0\x00'}}, 0x1e) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$PPPIOCATTCHAN(r2, 0x40047438, &(0x7f0000000040)=0x2) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) futex(&(0x7f000000cffc)=0x1, 0xd, 0x0, 0x0, 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-sendmsg$nl_route_sched-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-socket$pppoe-connect$pppoe-write$FUSE_DIRENTPLUS-socket$pppoe-connect$pppoe-openat$ppp-ioctl$PPPIOCATTCHAN-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00'}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000400)={0x18, 0x0, {0x2, @dev={'\xaa\xaa\xaa\xaa\xaa', 0xa}, 'lo\x00'}}, 0x1e) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000001180)={0x10, 0xffffffda, 0x3}, 0x10) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000300)={0x18, 0x0, {0x15, @remote, 'ip6gre0\x00'}}, 0x1e) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$PPPIOCATTCHAN(r2, 0x40047438, &(0x7f0000000040)=0x2) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-sendmsg$nl_route_sched-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-socket$pppoe-connect$pppoe-write$FUSE_DIRENTPLUS-socket$pppoe-connect$pppoe-openat$ppp-ioctl$PPPIOCATTCHAN-sched_setscheduler-timer_create detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00'}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000400)={0x18, 0x0, {0x2, @dev={'\xaa\xaa\xaa\xaa\xaa', 0xa}, 'lo\x00'}}, 0x1e) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000001180)={0x10, 0xffffffda, 0x3}, 0x10) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000300)={0x18, 0x0, {0x15, @remote, 'ip6gre0\x00'}}, 0x1e) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$PPPIOCATTCHAN(r2, 0x40047438, &(0x7f0000000040)=0x2) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) 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}}): sendmsg$nl_route_sched-sendmsg$nl_route_sched-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-socket$pppoe-connect$pppoe-write$FUSE_DIRENTPLUS-socket$pppoe-connect$pppoe-openat$ppp-ioctl$PPPIOCATTCHAN-sched_setscheduler-timer_settime detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00'}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000400)={0x18, 0x0, {0x2, @dev={'\xaa\xaa\xaa\xaa\xaa', 0xa}, 'lo\x00'}}, 0x1e) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000001180)={0x10, 0xffffffda, 0x3}, 0x10) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000300)={0x18, 0x0, {0x15, @remote, 'ip6gre0\x00'}}, 0x1e) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$PPPIOCATTCHAN(r2, 0x40047438, &(0x7f0000000040)=0x2) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-sendmsg$nl_route_sched-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-socket$pppoe-connect$pppoe-write$FUSE_DIRENTPLUS-socket$pppoe-connect$pppoe-openat$ppp-ioctl$PPPIOCATTCHAN-timer_create-timer_settime detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00'}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000400)={0x18, 0x0, {0x2, @dev={'\xaa\xaa\xaa\xaa\xaa', 0xa}, 'lo\x00'}}, 0x1e) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000001180)={0x10, 0xffffffda, 0x3}, 0x10) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000300)={0x18, 0x0, {0x15, @remote, 'ip6gre0\x00'}}, 0x1e) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$PPPIOCATTCHAN(r2, 0x40047438, &(0x7f0000000040)=0x2) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-sendmsg$nl_route_sched-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-socket$pppoe-connect$pppoe-write$FUSE_DIRENTPLUS-socket$pppoe-connect$pppoe-openat$ppp-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00'}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000400)={0x18, 0x0, {0x2, @dev={'\xaa\xaa\xaa\xaa\xaa', 0xa}, 'lo\x00'}}, 0x1e) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000001180)={0x10, 0xffffffda, 0x3}, 0x10) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000300)={0x18, 0x0, {0x15, @remote, 'ip6gre0\x00'}}, 0x1e) openat$ppp(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-sendmsg$nl_route_sched-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-socket$pppoe-connect$pppoe-write$FUSE_DIRENTPLUS-socket$pppoe-connect$pppoe-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00'}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000400)={0x18, 0x0, {0x2, @dev={'\xaa\xaa\xaa\xaa\xaa', 0xa}, 'lo\x00'}}, 0x1e) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000001180)={0x10, 0xffffffda, 0x3}, 0x10) r1 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r1, &(0x7f0000000300)={0x18, 0x0, {0x15, @remote, 'ip6gre0\x00'}}, 0x1e) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-sendmsg$nl_route_sched-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-socket$pppoe-connect$pppoe-write$FUSE_DIRENTPLUS-socket$pppoe-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00'}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000400)={0x18, 0x0, {0x2, @dev={'\xaa\xaa\xaa\xaa\xaa', 0xa}, 'lo\x00'}}, 0x1e) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000001180)={0x10, 0xffffffda, 0x3}, 0x10) socket$pppoe(0x18, 0x1, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-sendmsg$nl_route_sched-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-socket$pppoe-connect$pppoe-write$FUSE_DIRENTPLUS-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00'}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000400)={0x18, 0x0, {0x2, @dev={'\xaa\xaa\xaa\xaa\xaa', 0xa}, 'lo\x00'}}, 0x1e) write$FUSE_DIRENTPLUS(0xffffffffffffffff, &(0x7f0000001180)={0x10, 0xffffffda, 0x3}, 0x10) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-sendmsg$nl_route_sched-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-socket$pppoe-connect$pppoe-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00'}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r0 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r0, &(0x7f0000000400)={0x18, 0x0, {0x2, @dev={'\xaa\xaa\xaa\xaa\xaa', 0xa}, 'lo\x00'}}, 0x1e) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-sendmsg$nl_route_sched-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-socket$pppoe-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00'}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) socket$pppoe(0x18, 0x1, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-sendmsg$nl_route_sched-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00'}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-sendmsg$nl_route_sched-bpf$BPF_RAW_TRACEPOINT_OPEN-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00'}, 0x10) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$nl_route_sched-sendmsg$nl_route_sched-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@newqdisc={0x24, 0x24, 0x1, 0x70bd2a, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x5}}}, 0x24}, 0x1, 0x0, 0x0, 0x40}, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in sys_rename 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}}): sendmsg$nl_route_sched-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4048840) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, 0x0, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing 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-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted extracting 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-timer_create-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing 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-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing 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-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 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: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-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 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: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-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true reproducing took 2h0m54.25613886s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: (detected by 1, t=10502 jiffies, g=11093, q=734 ncpus=2) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294961260-4294950758), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g11093 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:27840 pid:16 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0x10ec/0x40b0 kernel/sched/core.c:6561 schedule+0xb9/0x180 kernel/sched/core.c:6637 schedule_timeout+0x15c/0x280 kernel/time/timer.c:2167 rcu_gp_fqs_loop+0x2f2/0x1310 kernel/rcu/tree.c:1706 rcu_gp_kthread+0x95/0x380 kernel/rcu/tree.c:1905 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 rcu: Stack dump where RCU GP kthread last ran: CPU: 1 PID: 4533 Comm: syz.2.19 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0033:0x7fec6704d6e0 Code: 44 24 20 0f 29 44 24 30 0f 29 44 24 40 48 8b 44 24 08 ff d0 48 83 c4 50 31 c0 5b 5d 41 5c 41 5d 41 5e c3 0f 1f 80 00 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 c3 66 66 2e 0f 1f RSP: 002b:00007fff0f03c738 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00007fec673e5fa8 RCX: 0000000000000003 RDX: 00007fff0f03c740 RSI: 00007fff0f03c870 RDI: 0000000000000011 RBP: 00007fec673e5fb0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 00007fec673e5fa0 R13: 0000200000000000 R14: 00007fff0f03ccf8 R15: 0000000000000004 FS: 00005555662c8500 GS: 0000000000000000 report is corrupted, running repro again testing 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-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing 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-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x2}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in batadv_nc_worker 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): P3933/1:b..l P11/1:b..l (detected by 1, t=10502 jiffies, g=8521, q=523 ncpus=2) task:kworker/u4:1 state:R running task stack:23248 pid:11 ppid:2 flags:0x00004000 Workqueue: bat_events batadv_nc_worker Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0x10ec/0x40b0 kernel/sched/core.c:6561 preempt_schedule_irq+0xb1/0x150 kernel/sched/core.c:6873 irqentry_exit+0x63/0x70 kernel/entry/common.c:439 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:lock_acquire+0x20f/0x490 kernel/locking/lockdep.c:5666 Code: 00 9c 8f 84 24 80 00 00 00 f6 84 24 81 00 00 00 02 0f 85 f5 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 66 43 c7 44 3d 09 00 00 43 c6 44 3d 0b RSP: 0018:ffffc90000107a40 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 17158a1d5aec1000 RDX: 0000000000000000 RSI: ffffffff8a8c1700 RDI: ffffffff8adef760 RBP: ffffc90000107b58 R08: dffffc0000000000 R09: fffffbfff215c449 R10: fffffbfff215c449 R11: 1ffffffff215c448 R12: 0000000000000001 R13: 1ffff92000020f54 R14: 0000000000000246 R15: dffffc0000000000 rcu_lock_acquire include/linux/rcupdate.h:350 [inline] rcu_read_lock include/linux/rcupdate.h:791 [inline] batadv_nc_process_nc_paths+0xdb/0x390 net/batman-adv/network-coding.c:687 batadv_nc_worker+0x527/0x600 net/batman-adv/network-coding.c:735 process_one_work+0x898/0x1160 kernel/workqueue.c:2292 worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:dhcpcd state:R running task stack:20960 pid:3933 ppid:3932 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0x10ec/0x40b0 kernel/sched/core.c:6561 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:6730 preempt_schedule+0xa7/0xb0 kernel/sched/core.c:6754 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0xf6/0x100 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] __wake_up_common_lock kernel/sched/wait.c:140 [inline] __wake_up_sync_key+0x11b/0x180 kernel/sched/wait.c:208 sock_def_readable+0x15b/0x280 net/core/sock.c:3313 unix_dgram_sendmsg+0x107b/0x16c0 net/unix/af_unix.c:2085 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] sock_write_iter+0x2b5/0x3a0 net/socket.c:1143 do_iter_readv_writev fs/read_write.c:-1 [inline] do_iter_write+0x62d/0xaf0 fs/read_write.c:861 vfs_writev fs/read_write.c:934 [inline] do_writev+0x24e/0x410 fs/read_write.c:977 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f0731ff5407 RSP: 002b:00007ffcecfc6e90 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007f0731f6b740 RCX: 00007f0731ff5407 RDX: 0000000000000005 RSI: 00007ffcecfc6ef0 RDI: 000000000000000f RBP: 00005641f6c222b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcecfe7310 R13: 0000000000000004 R14: 0000000000000148 R15: 00007ffcecfd70e0 rcu: rcu_preempt kthread starved for 10558 jiffies! g8521 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:26880 pid:16 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5244 [inline] __schedule+0x10ec/0x40b0 kernel/sched/core.c:6561 schedule+0xb9/0x180 kernel/sched/core.c:6637 schedule_timeout+0x15c/0x280 kernel/time/timer.c:2167 rcu_gp_fqs_loop+0x2f2/0x1310 kernel/rcu/tree.c:1706 rcu_gp_kthread+0x95/0x380 kernel/rcu/tree.c:1905 kthread+0x29d/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 rcu: Stack dump where RCU GP kthread last ran: CPU: 1 PID: 4653 Comm: syz.1.35 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202 Code: f5 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 8e 8f 41 f7 48 89 df e8 e6 54 42 f7 e8 31 48 65 f7 fb bf 01 00 00 00 76 cd 35 f7 65 8b 05 f7 84 e0 75 85 c0 74 02 5b c3 e8 44 96 de RSP: 0018:ffffc900035b7cf0 EFLAGS: 00000286 RAX: 84850c24cdd5dd00 RBX: ffff88807e3765c0 RCX: 84850c24cdd5dd00 RDX: dffffc0000000000 RSI: ffffffff8a8c0580 RDI: 0000000000000001 RBP: ffffc900035b7f10 R08: dffffc0000000000 R09: ffffed100fc6ecb9 R10: ffffed100fc6ecb9 R11: 1ffff1100fc6ecb8 R12: ffff88807bfcbb80 R13: 1ffff920006b6ffe R14: 1ffff920006b6fa8 R15: ffffc900035b7ff0 FS: 0000555582500500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f563fff CR3: 000000005e873000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ia32_sys_rt_sigreturn+0x184/0x790 arch/x86/kernel/signal.c:673 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7ff95652b829 Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 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 04 25 RSP: 002b:00007ffca26a00c0 EFLAGS: 00000246 ORIG_RAX: 000000000000000f RAX: ffffffffffffffda RBX: 00007ff9567e5fa0 RCX: 00007ff95652b829 RDX: 00007ffca26a00c0 RSI: 00007ffca26a01f0 RDI: 0000000000000011 RBP: 00007ff956613f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff9567e5fa0 R14: 00007ff9567e5fa0 R15: 0000000000000004