Extracting prog: 14m51.251755984s Minimizing prog: 1h49m11.141833093s Simplifying prog options: 9m13.229297764s Extracting C: 5m11.989251698s Simplifying C: 0s extracting reproducer from 66 programs testing a last program of every proc single: executing 16 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$nl_netfilter-sendmsg$NFT_BATCH detailed listing: executing program 0: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000100)={{0x14, 0x10, 0x4}, [@NFT_MSG_NEWSET={0x2c, 0x9, 0xa, 0x401, 0x0, 0x0, {0x7}, [@NFTA_SET_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_SET_TABLE={0x9, 0x1, 'syz0\x00'}]}], {0x14, 0x10, 0x1, 0x0, 0x0, {0x0, 0x84}}}, 0x54}}, 0x0) (fail_nth: 3) 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}}): socket$nl_netfilter-sendmsg$IPCTNL_MSG_EXP_NEW-openat$dlm_control-write$sndseq-socket-socket-pipe2$9p-prlimit64-sched_setscheduler-bpf$PROG_LOAD-syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-mprotect-syz_io_uring_submit-io_uring_enter-prctl$PR_SCHED_CORE-openat$sequencer-syz_open_dev$sndmidi-writev-ioctl$DRM_IOCTL_MODE_ATOMIC-socket$nl_generic-syz_genetlink_get_family_id$batadv-ioctl$ifreq_SIOCGIFINDEX_batadv_mesh-sendmsg$BATADV_CMD_GET_DAT_CACHE-sendmsg$nl_route_sched-write-sendmsg$nl_route-syz_open_dev$sg-socket$inet6_sctp detailed listing: executing program 0: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000004c0)=ANY=[], 0x48}, 0x1, 0x0, 0x0, 0x200080d0}, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000), 0x8502, 0x0) write$sndseq(r1, &(0x7f00000001c0)=[{0x6, 0x0, 0x0, 0x0, @tick, {0x4}, {}, @addr={0x5b}}, {0x0, 0x0, 0x0, 0x0, @time={0x5}, {}, {}, @result}, {0x0, 0x0, 0x0, 0x0, @time, {}, {}, @control}, {0x0, 0x0, 0x0, 0x0, @time={0xc5, 0x6905}, {}, {}, @time}, {0x8, 0x9, 0x4, 0x0, @time={0x7, 0x8}, {0x4, 0x2}, {0x4, 0x10}, @quote={{0x9, 0xbc}, 0x6, &(0x7f0000000480)={0x2, 0x7, 0x2, 0xf, @time={0x1ff, 0x3}, {0x7, 0x9}, {0x7, 0x44}, @raw32={[0xb, 0x8, 0xbd4]}}}}, {0x4, 0x2, 0x1f, 0x0, @tick=0x8, {0xa, 0x3}, {0x6}, @result={0xfffffff8, 0x7}}], 0xa8) socket(0x10, 0x80002, 0x0) r2 = socket(0x10, 0x3, 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff}, 0x0) prlimit64(0x0, 0xe, &(0x7f00000007c0)={0x8, 0xb1}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x12, 0x0, 0x0, &(0x7f0000000340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x48, '\x00', 0x0, @fallback=0xf}, 0x94) r4 = syz_io_uring_setup(0x53f, &(0x7f0000000440)={0x0, 0x807734, 0x400, 0xfffffff8, 0xfe}, &(0x7f00000000c0)=0x0, &(0x7f00000002c0)=0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r5, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) syz_io_uring_submit(r5, r6, &(0x7f0000000200)=@IORING_OP_POLL_REMOVE={0x7, 0x50, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1}) io_uring_enter(r4, 0x47bc, 0x0, 0x0, 0x0, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x0, 0x0) r7 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x141102) writev(r7, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) ioctl$DRM_IOCTL_MODE_ATOMIC(0xffffffffffffffff, 0xc03864bc, 0x0) r8 = socket$nl_generic(0x10, 0x3, 0x10) r9 = syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r8, 0x8933, &(0x7f0000000000)) sendmsg$BATADV_CMD_GET_DAT_CACHE(r8, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=ANY=[@ANYBLOB="1a972b0f000000000000", @ANYRES16=r9, @ANYBLOB="050327bd7000000000000700000008003a00ffffff7f08003a000000008408002b0003000000"], 0x2c}, 0x1, 0x0, 0x0, 0x800}, 0x20000000) sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=@newqdisc={0x60, 0x24, 0xf0b, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, {0x0, 0xc}, {0xffff, 0xffff}, {0xd, 0xc}}, [@qdisc_kind_options=@q_bfifo={{0xa}, {0x8, 0x2, 0x5}}, @TCA_STAB={0x28, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x5, 0x5, 0x12, 0x400, 0x0, 0x200, 0x5, 0x2}}, {0xffffffffffffff39, 0x2, [0x2, 0xa59]}}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x44004}, 0x0) write(r3, &(0x7f0000000040)="551ed37744b45700098f4738266afdffe7c7f5caa56d4d93e4e2ff7214f52173ee10", 0x22) sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[], 0x48}}, 0x4000004) syz_open_dev$sg(&(0x7f0000000440), 0x8, 0x800) socket$inet6_sctp(0xa, 0x1, 0x84) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-timer_settime-openat-getdents64-socketpair$unix-connect$unix-recvmmsg-openat$nvram-sched_setscheduler-socket$pppoe-openat$kvm-close_range detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) r0 = inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r1}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r2 = getpid() sched_setscheduler(r2, 0x2, &(0x7f0000000200)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./cgroup\x00', 0x80080, 0x0) getdents64(r3, &(0x7f0000000f80)=""/4096, 0x1000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r4, &(0x7f000057eff8)=@abs, 0x6e) recvmmsg(r4, &(0x7f00000000c0), 0x10106, 0x2, 0x0) openat$nvram(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) socket$pppoe(0x18, 0x1, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) program crashed: INFO: rcu detected stall in do_idle single: successfully extracted reproducer found reproducer with 22 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-timer_settime-openat-getdents64-socketpair$unix-connect$unix-recvmmsg-openat$nvram-sched_setscheduler-socket$pppoe-openat$kvm detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./cgroup\x00', 0x80080, 0x0) getdents64(r2, &(0x7f0000000f80)=""/4096, 0x1000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r3, &(0x7f000057eff8)=@abs, 0x6e) recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0) openat$nvram(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) socket$pppoe(0x18, 0x1, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-timer_settime-openat-getdents64-socketpair$unix-connect$unix-recvmmsg-openat$nvram-sched_setscheduler-socket$pppoe detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./cgroup\x00', 0x80080, 0x0) getdents64(r2, &(0x7f0000000f80)=""/4096, 0x1000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r3, &(0x7f000057eff8)=@abs, 0x6e) recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0) openat$nvram(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) socket$pppoe(0x18, 0x1, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-timer_settime-openat-getdents64-socketpair$unix-connect$unix-recvmmsg-openat$nvram-sched_setscheduler detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./cgroup\x00', 0x80080, 0x0) getdents64(r2, &(0x7f0000000f80)=""/4096, 0x1000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r3, &(0x7f000057eff8)=@abs, 0x6e) recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0) openat$nvram(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) program crashed: INFO: rcu detected stall in do_idle testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-timer_settime-openat-getdents64-socketpair$unix-connect$unix-recvmmsg-openat$nvram detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./cgroup\x00', 0x80080, 0x0) getdents64(r2, &(0x7f0000000f80)=""/4096, 0x1000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r3, &(0x7f000057eff8)=@abs, 0x6e) recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0) openat$nvram(0xffffffffffffff9c, &(0x7f0000000040), 0x400, 0x0) program crashed: INFO: rcu detected stall in do_idle testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-timer_settime-openat-getdents64-socketpair$unix-connect$unix-recvmmsg detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./cgroup\x00', 0x80080, 0x0) getdents64(r2, &(0x7f0000000f80)=""/4096, 0x1000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r3, &(0x7f000057eff8)=@abs, 0x6e) recvmmsg(r3, &(0x7f00000000c0), 0x10106, 0x2, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-timer_settime-openat-getdents64-socketpair$unix-connect$unix detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./cgroup\x00', 0x80080, 0x0) getdents64(r2, &(0x7f0000000f80)=""/4096, 0x1000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r3, &(0x7f000057eff8)=@abs, 0x6e) program crashed: INFO: rcu detected stall in do_idle testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-timer_settime-openat-getdents64-socketpair$unix detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./cgroup\x00', 0x80080, 0x0) getdents64(r2, &(0x7f0000000f80)=""/4096, 0x1000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)) program crashed: INFO: rcu detected stall in do_idle testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-timer_settime-openat-getdents64 detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./cgroup\x00', 0x80080, 0x0) getdents64(r2, &(0x7f0000000f80)=""/4096, 0x1000) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-timer_settime-openat detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./cgroup\x00', 0x80080, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create-timer_settime detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_create detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-prctl$PR_SCHED_CORE-timer_settime detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r1 = getpid() sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-timer_create-timer_settime detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-timer_create-timer_settime detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x18, 0x4, 0x0, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41100, 0x76, '\x00', 0x0, 0x2}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-syz_open_dev$sndpcmc-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() syz_open_dev$sndpcmc(&(0x7f0000000000), 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-inotify_init-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) inotify_init() prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: socketpair$unix(0x1, 0x3, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(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}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(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}}): prlimit64-sched_setscheduler-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={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, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={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, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) 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, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, 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, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(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, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in sys_openat a never seen crash title: INFO: rcu detected stall in sys_openat, ignore testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false 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, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={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, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode validation run: crashed=true 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, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in security_file_open validation run: crashed=true 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, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode validation run: crashed=true reproducing took 2h26m38.576440357s 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): P3560/1:b..l (detected by 0, t=10502 jiffies, g=8441, q=243) task:udevd state:R running task stack:25664 pid: 3560 ppid: 1 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11bb/0x4390 kernel/sched/core.c:6395 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:6571 preempt_schedule+0xa7/0xb0 kernel/sched/core.c:6596 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] _raw_spin_unlock_irqrestore+0xf6/0x100 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:418 [inline] __wake_up_common_lock kernel/sched/wait.c:140 [inline] __wake_up_sync_key+0x11b/0x180 kernel/sched/wait.c:205 sock_def_readable+0x136/0x250 net/core/sock.c:3098 __netlink_sendskb net/netlink/af_netlink.c:1264 [inline] netlink_sendskb+0x97/0x130 net/netlink/af_netlink.c:1270 netlink_sendmsg+0x8ab/0xbc0 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg+0x190/0x250 net/socket.c:2526 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: 0033:0x7f6cd34f6407 RSP: 002b:00007ffffed496c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6cd3408880 RCX: 00007f6cd34f6407 RDX: 0000000000000000 RSI: 00007ffffed49720 RDI: 0000000000000004 RBP: 000055fe75e91850 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000000b3 R13: 000055fe75e879e0 R14: 0000000000000000 R15: 0000000000000000 rcu: rcu_preempt kthread starved for 10533 jiffies! g8441 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:28032 pid: 15 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11bb/0x4390 kernel/sched/core.c:6395 schedule+0x11b/0x1e0 kernel/sched/core.c:6478 schedule_timeout+0x15c/0x280 kernel/time/timer.c:1914 rcu_gp_fqs_loop+0x29e/0x11b0 kernel/rcu/tree.c:1972 rcu_gp_kthread+0x98/0x350 kernel/rcu/tree.c:2145 kthread+0x436/0x520 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: 4455 Comm: syz.2.42 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 nmi_cpu_backtrace+0x397/0x3d0 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+0x10c8/0x1220 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+0x831/0x1110 kernel/rcu/tree.c:2619 update_process_times+0x193/0x200 kernel/time/timer.c:1818 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+0x4fe/0xc40 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x3bb/0x8d0 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:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202 Code: f6 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ae dc a9 f7 48 89 df e8 76 b1 aa f7 e8 11 4b cb f7 fb bf 01 00 00 00 b6 d4 9e f7 65 8b 05 97 d2 4f 76 85 c0 74 02 5b c3 e8 44 dd 4d RSP: 0018:ffffc9000448fbc0 EFLAGS: 00000282 RAX: 24dc679ff40b4a00 RBX: ffff888078ed4a00 RCX: 24dc679ff40b4a00 RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: 0000000000000001 RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100f1da941 R10: ffffed100f1da941 R11: 1ffff1100f1da940 R12: ffff888078ed4a00 R13: 0000000000000011 R14: dffffc0000000000 R15: 0000000004000000 spin_unlock_irq include/linux/spinlock.h:413 [inline] get_signal+0x11d6/0x12c0 kernel/signal.c:2903 arch_do_signal_or_restart+0xc1/0x1300 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fa1596eaec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa158d5a0e8 EFLAGS: 00000246 RAX: fffffffffffffffc RBX: 00007fa159941fa8 RCX: 00007fa1596eaec9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa159941fa8 RBP: 00007fa159941fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa159942038 R14: 00007ffe1a879dd0 R15: 00007ffe1a879eb8 sched: RT throttling activated 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): P3560/1:b..l (detected by 0, t=10502 jiffies, g=8441, q=243) task:udevd state:R running task stack:25664 pid: 3560 ppid: 1 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11bb/0x4390 kernel/sched/core.c:6395 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:6571 preempt_schedule+0xa7/0xb0 kernel/sched/core.c:6596 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] _raw_spin_unlock_irqrestore+0xf6/0x100 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:418 [inline] __wake_up_common_lock kernel/sched/wait.c:140 [inline] __wake_up_sync_key+0x11b/0x180 kernel/sched/wait.c:205 sock_def_readable+0x136/0x250 net/core/sock.c:3098 __netlink_sendskb net/netlink/af_netlink.c:1264 [inline] netlink_sendskb+0x97/0x130 net/netlink/af_netlink.c:1270 netlink_sendmsg+0x8ab/0xbc0 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg+0x190/0x250 net/socket.c:2526 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: 0033:0x7f6cd34f6407 RSP: 002b:00007ffffed496c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6cd3408880 RCX: 00007f6cd34f6407 RDX: 0000000000000000 RSI: 00007ffffed49720 RDI: 0000000000000004 RBP: 000055fe75e91850 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000000b3 R13: 000055fe75e879e0 R14: 0000000000000000 R15: 0000000000000000 rcu: rcu_preempt kthread starved for 10533 jiffies! g8441 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:28032 pid: 15 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11bb/0x4390 kernel/sched/core.c:6395 schedule+0x11b/0x1e0 kernel/sched/core.c:6478 schedule_timeout+0x15c/0x280 kernel/time/timer.c:1914 rcu_gp_fqs_loop+0x29e/0x11b0 kernel/rcu/tree.c:1972 rcu_gp_kthread+0x98/0x350 kernel/rcu/tree.c:2145 kthread+0x436/0x520 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: 4455 Comm: syz.2.42 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 nmi_cpu_backtrace+0x397/0x3d0 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+0x10c8/0x1220 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+0x831/0x1110 kernel/rcu/tree.c:2619 update_process_times+0x193/0x200 kernel/time/timer.c:1818 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+0x4fe/0xc40 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x3bb/0x8d0 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:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202 Code: f6 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ae dc a9 f7 48 89 df e8 76 b1 aa f7 e8 11 4b cb f7 fb bf 01 00 00 00 b6 d4 9e f7 65 8b 05 97 d2 4f 76 85 c0 74 02 5b c3 e8 44 dd 4d RSP: 0018:ffffc9000448fbc0 EFLAGS: 00000282 RAX: 24dc679ff40b4a00 RBX: ffff888078ed4a00 RCX: 24dc679ff40b4a00 RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: 0000000000000001 RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100f1da941 R10: ffffed100f1da941 R11: 1ffff1100f1da940 R12: ffff888078ed4a00 R13: 0000000000000011 R14: dffffc0000000000 R15: 0000000004000000 spin_unlock_irq include/linux/spinlock.h:413 [inline] get_signal+0x11d6/0x12c0 kernel/signal.c:2903 arch_do_signal_or_restart+0xc1/0x1300 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:154 [inline] exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fa1596eaec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa158d5a0e8 EFLAGS: 00000246 RAX: fffffffffffffffc RBX: 00007fa159941fa8 RCX: 00007fa1596eaec9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa159941fa8 RBP: 00007fa159941fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa159942038 R14: 00007ffe1a879dd0 R15: 00007ffe1a879eb8 sched: RT throttling activated