Extracting prog: 23m18.330601262s Minimizing prog: 1h13m58.705552441s Simplifying prog options: 0s Extracting C: 2m45.979926233s Simplifying C: 49m41.906738297s extracting reproducer from 32 programs testing a last program of every proc single: executing 7 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}}): openat$kvm-ioctl$KVM_CREATE_VM-openat$kvm-ioctl$KVM_CREATE_VM-openat-pwritev2 detailed listing: executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./cgroup.cpu/memory.force_empty\x00', 0x2, 0x0) pwritev2(r2, &(0x7f0000000000)=[{&(0x7f0000000080)="a760", 0x2}], 0x1, 0x0, 0x0, 0x17) 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$unix-bind$inet-socket$inet_udp-ioprio_set$pid-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-ioctl$sock_SIOCGIFINDEX-openat$sequencer2-syz_create_resource$binfmt-openat$binfmt-write$binfmt_script-execveat$binfmt-keyctl$update-sendmmsg-sendmsg$nl_route_sched-writev-ioctl$KVM_CREATE_VCPU-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route-socket$nl_route-socket$nl_generic-sendmsg$nl_generic-recvmmsg-sendmsg$nl_route detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) bind$inet(0xffffffffffffffff, 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) ioprio_set$pid(0x2, 0x0, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f0000000300)=@file={0x0, './file1\x00'}, 0x6e) sendmmsg$unix(r3, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000140), 0x8417f, 0x3f00) r4 = syz_create_resource$binfmt(&(0x7f0000000040)='./file1\x00') r5 = openat$binfmt(0xffffffffffffff9c, r4, 0x42, 0x1ff) write$binfmt_script(r5, 0x0, 0x0) execveat$binfmt(0xffffffffffffff9c, r4, 0x0, 0x0, 0x0) keyctl$update(0x2, 0x0, 0x0, 0x0) sendmmsg(r1, &(0x7f0000007fc0), 0x800001d, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x800) writev(0xffffffffffffffff, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x2) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000002c0)={'bridge_slave_0\x00', 0x0}) r7 = socket(0x10, 0x80002, 0x0) sendmsg$nl_route(r7, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000140)=ANY=[@ANYBLOB="440000001300a7cc4a372eaf541d002007000000", @ANYRES32=r6, @ANYBLOB="00000000100000001c001a80080002802d07420008000200", @ANYBLOB="35874207"], 0x44}, 0x1, 0x0, 0x0, 0x50}, 0x0) r8 = socket$nl_route(0x10, 0x3, 0x0) r9 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r9, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000004c0)=ANY=[@ANYBLOB="18000000260001031dbd7002fadbdf25010000000400ae"], 0x18}}, 0x0) recvmmsg(r9, &(0x7f0000007940)=[{{0x0, 0x0, 0x0}, 0xffffffff}, {{0x0, 0x0, 0x0}, 0x8004}, {{0x0, 0x0, &(0x7f00000003c0)=[{&(0x7f0000001500)=""/4112, 0x1010}, {&(0x7f0000000100)=""/7, 0x7}, {&(0x7f0000000080)=""/82, 0x52}, {&(0x7f0000000340)=""/99, 0x63}, {&(0x7f0000000200)=""/209, 0xd1}, {&(0x7f00000001c0)=""/27, 0x1b}], 0x6}, 0x400004}, {{0x0, 0x0, 0x0}}, {{&(0x7f0000000500)=@nfc, 0x80, &(0x7f0000004580)=[{&(0x7f0000000580)=""/215, 0xd7}, {&(0x7f0000000680)=""/119, 0x77}, {&(0x7f0000000700)=""/26, 0x1a}, {&(0x7f0000000740)=""/229, 0xe5}, {&(0x7f0000000840)=""/206, 0xce}, {&(0x7f0000002540)=""/4096, 0x1000}, {&(0x7f0000003540)=""/4096, 0x1000}], 0x7, &(0x7f00000045c0)=""/208, 0xd0}, 0xfffffffa}, {{0x0, 0x0, &(0x7f0000004880)=[{&(0x7f00000046c0)=""/71, 0x47}, {&(0x7f00000047c0)=""/64, 0x40}, {&(0x7f0000004800)=""/122, 0x7a}], 0x3}, 0x3}, {{&(0x7f00000048c0)=@in={0x2, 0x0, @initdev}, 0x80, &(0x7f0000007540)=[{&(0x7f0000004940)=""/4096, 0x1000}, {0x0}, {&(0x7f0000005a40)=""/198, 0xc6}, {&(0x7f0000005b40)=""/137, 0x89}, {&(0x7f0000006540)=""/4096, 0x1000}], 0x5, &(0x7f0000007580)=""/147, 0x93}, 0x3}, {{&(0x7f0000007640)=@ax25={{0x3, @null}, [@remote, @remote, @rose, @netrom, @null, @null, @default]}, 0x80, &(0x7f0000007880)=[{&(0x7f00000076c0)=""/76, 0x4c}, {&(0x7f0000007740)=""/1, 0x1}, {&(0x7f0000007780)=""/202, 0xca}], 0x3, &(0x7f00000078c0)=""/97, 0x61}, 0x5}], 0x8, 0x30100, 0x0) sendmsg$nl_route(r8, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000400)=ANY=[@ANYBLOB="240000001000050b30bd7000fedbdf2502180000000000080000000008000100ac141400f30c40fddcdc87697d0686dec8acd5b0b549d303ca83311846e844e458d809099832ca"], 0x24}}, 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}}): syz_usb_connect-syz_usb_control_io$printer-mprotect-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040e60405000001010203010902200001010080320904000002080650000705810200020007050202"], 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) syz_usb_control_io$cdc_ncm(r0, 0x0, 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}}): mkdirat-mount-openat-syz_init_net_socket$bt_hidp-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNDEL-mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000004000)='./mnt\x00', 0x1ff) mount(0x0, &(0x7f0000004080)='./mnt\x00', &(0x7f00000040c0)='tracefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6) syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) ioctl$sock_bt_hidp_HIDPCONNDEL(r0, 0x400448c9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r1, &(0x7f0000000140)='*:', 0x2) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 10 syscalls minimizing guilty program testing program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-syz_init_net_socket$bt_hidp-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNDEL-mkdirat-mount-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000004000)='./mnt\x00', 0x1ff) mount(0x0, &(0x7f0000004080)='./mnt\x00', &(0x7f00000040c0)='tracefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6) syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) ioctl$sock_bt_hidp_HIDPCONNDEL(r0, 0x400448c9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) program did not crash testing program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-syz_init_net_socket$bt_hidp-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNDEL-mkdirat-mount-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000004000)='./mnt\x00', 0x1ff) mount(0x0, &(0x7f0000004080)='./mnt\x00', &(0x7f00000040c0)='tracefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6) syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) ioctl$sock_bt_hidp_HIDPCONNDEL(r0, 0x400448c9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000140)='*:', 0x2) program did not crash testing program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-syz_init_net_socket$bt_hidp-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNDEL-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000004000)='./mnt\x00', 0x1ff) mount(0x0, &(0x7f0000004080)='./mnt\x00', &(0x7f00000040c0)='tracefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6) syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) ioctl$sock_bt_hidp_HIDPCONNDEL(r0, 0x400448c9, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r1, &(0x7f0000000140)='*:', 0x2) program did not crash testing program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-syz_init_net_socket$bt_hidp-syz_init_net_socket$bt_l2cap-ioctl$sock_bt_hidp_HIDPCONNDEL-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000004000)='./mnt\x00', 0x1ff) mount(0x0, &(0x7f0000004080)='./mnt\x00', &(0x7f00000040c0)='tracefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) r0 = syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6) syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) ioctl$sock_bt_hidp_HIDPCONNDEL(r0, 0x400448c9, 0x0) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r1, &(0x7f0000000140)='*:', 0x2) program did not crash testing program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-syz_init_net_socket$bt_hidp-syz_init_net_socket$bt_l2cap-mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000004000)='./mnt\x00', 0x1ff) mount(0x0, &(0x7f0000004080)='./mnt\x00', &(0x7f00000040c0)='tracefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6) syz_init_net_socket$bt_l2cap(0x1f, 0x2, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='*:', 0x2) program crashed: INFO: rcu detected stall in corrupted testing program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-syz_init_net_socket$bt_hidp-mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000004000)='./mnt\x00', 0x1ff) mount(0x0, &(0x7f0000004080)='./mnt\x00', &(0x7f00000040c0)='tracefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='*:', 0x2) program crashed: INFO: rcu detected stall in ieee80211_handle_queued_frames testing program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000004000)='./mnt\x00', 0x1ff) mount(0x0, &(0x7f0000004080)='./mnt\x00', &(0x7f00000040c0)='tracefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='*:', 0x2) program crashed: INFO: rcu detected stall in corrupted testing program (duration=5m26.2275762s, {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}}): mkdirat-mount-mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000004000)='./mnt\x00', 0x1ff) mount(0x0, &(0x7f0000004080)='./mnt\x00', &(0x7f00000040c0)='tracefs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='*:', 0x2) program crashed: INFO: rcu detected stall in corrupted testing program (duration=5m26.2275762s, {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}}): mkdirat-mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000004000)='./mnt\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='*:', 0x2) program crashed: INFO: rcu detected stall in corrupted testing program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='*:', 0x2) program crashed: INFO: rcu detected stall in corrupted testing program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='*:', 0x2) program did not crash testing program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='*:', 0x2) program did not crash testing program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='*:', 0x2) program did not crash testing program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0) write(r0, &(0x7f0000000140)='*:', 0x2) program did not crash testing program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r0, 0x0, 0x0) program did not crash testing program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r0, &(0x7f0000000140), 0x0) program did not crash extracting C reproducer testing compiled C program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in corrupted simplifying C reproducer testing compiled C program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=5m26.2275762s, {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}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in ieee80211_handle_queued_frames testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in ieee80211_handle_queued_frames testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in corrupted testing program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='*:', 0x2) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='*:', 0x2) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./trace\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./trace\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./trace/set_event\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='*:', 0x2) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true reproducing took 2h39m10.161453903s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-....: (10499 ticks this GP) idle=69cc/1/0x4000000000000000 softirq=0/0 fqs=2549 rcuc=10499 jiffies(starved) rcu: hardirqs softirqs csw/system rcu: number: 18707 3375 14280 rcu: cputime: 4262 22805 25382 ==> 52460(ms) rcu: (t=10500 jiffies g=16753 q=1968 ncpus=2) CPU: 1 UID: 0 PID: 29 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:__schedule+0x16e1/0x5700 kernel/sched/core.c:7237 Code: 3c 28 00 74 08 48 89 df e8 2c 11 da f6 48 8b 04 24 48 89 03 48 89 c3 4c 89 f7 48 89 c6 e8 07 37 da f5 48 89 c7 e8 bf 41 3d f6 <31> ff 49 39 de 40 0f 95 c7 e8 21 4e 3d f6 48 8b 84 24 e8 00 00 00 RSP: 0000:ffffc90000a3f520 EFLAGS: 00000202 RAX: 0000000000075502 RBX: ffff88801d2f3e80 RCX: 8000000000000001 RDX: 0000000000000002 RSI: ffffffff8d86a943 RDI: ffffffff8bcc3580 RBP: ffffc90000a3f718 R08: ffffffff8fb2157f R09: 1ffffffff1f642af R10: dffffc0000000000 R11: fffffbfff1f642b0 R12: ffff8880b873c308 R13: dffffc0000000000 R14: ffff88801d2f3e80 R15: ffff8880b873ceb8 FS: 0000000000000000(0000) GS:ffff888125cc8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc8800c4030 CR3: 000000003d63a000 CR4: 00000000003526f0 Call Trace: preempt_schedule_common+0x7f/0xd0 kernel/sched/core.c:7456 preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12 class_preempt_destructor include/linux/preempt.h:496 [inline] raw_spin_unlock_irqrestore_wake include/linux/sched/wake_q.h:102 [inline] rtlock_slowlock kernel/locking/rtmutex.c:1923 [inline] rtlock_lock kernel/locking/spinlock_rt.c:43 [inline] __rt_spin_lock kernel/locking/spinlock_rt.c:49 [inline] rt_spin_lock+0x31a/0x400 kernel/locking/spinlock_rt.c:57 spin_lock include/linux/spinlock_rt.h:45 [inline] napi_skb_cache_get+0xbf/0x450 net/core/skbuff.c:289 __alloc_skb+0x1a1/0x7a0 net/core/skbuff.c:698 __netdev_alloc_skb+0xc1/0x4b0 net/core/skbuff.c:777 netdev_alloc_skb include/linux/skbuff.h:3529 [inline] dev_alloc_skb include/linux/skbuff.h:3542 [inline] __ieee80211_beacon_get+0xc97/0x1820 net/mac80211/tx.c:5878 ieee80211_beacon_get_tim+0xbd/0x2c0 net/mac80211/tx.c:6000 ieee80211_beacon_get include/net/mac80211.h:5902 [inline] mac80211_hwsim_beacon_tx+0x378/0x820 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2505 __iterate_interfaces+0x2af/0x5a0 net/mac80211/util.c:775 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:811 mac80211_hwsim_beacon+0xb2/0x2b0 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2541 __run_hrtimer kernel/time/hrtimer.c:2074 [inline] __hrtimer_run_queues+0x3eb/0xaf0 kernel/time/hrtimer.c:2131 hrtimer_run_softirq+0x1e1/0x2e0 kernel/time/hrtimer.c:2148 handle_softirqs+0x1da/0x6d0 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] run_ktimerd+0x6a/0x100 kernel/softirq.c:1174 smpboot_thread_fn+0x565/0xa70 kernel/smpboot.c:160 kthread+0x38b/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 report is corrupted, running repro again testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing compiled C program (duration=5m26.2275762s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write program crashed: INFO: rcu detected stall in corrupted final repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P30/3:b..l rcu: (detected by 0, t=10502 jiffies, g=12637, q=767 ncpus=2) task:ksoftirqd/1 state:R running task stack:22168 pid:30 tgid:30 ppid:2 task_flags:0x4208040 flags:0x00080000 Call Trace: