Extracting prog: 7m42.47689952s
Minimizing prog: 1h29m11.454851297s
Simplifying prog options: 18m6.94995685s
Extracting C: 5m14.490851947s
Simplifying C: 0s


extracting reproducer from 24 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF-openat$tun-socket$kcm-sendmsg$kcm
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$BPF_MAP_CONST_STR_FREEZE(0x16, 0x0, 0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000340)={0x18, 0x3, &(0x7f0000000d00)=ANY=[], &(0x7f0000000000)='syzkaller\x00'}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0x5, 0x5, &(0x7f0000000180)=ANY=[@ANYBLOB="180800000000000000000000000000001800000000000000000000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x48, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)
openat$tun(0xffffffffffffff9c, 0x0, 0xc1842, 0x0)
r2 = socket$kcm(0x10, 0x2, 0x10)
sendmsg$kcm(r2, &(0x7f0000000000)={0x0, 0x4, &(0x7f0000000080)=[{&(0x7f0000000040)="c00e020023000b02d25a806f8c6394f90924fc60040f030047000000053582c137153e370248018000f01700d1bd", 0x33fe0}], 0x1}, 0x0)

program crashed: INFO: rcu detected stall in sys_bpf
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
testing program (duration=8m26.689361643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF-openat$tun-socket$kcm
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$BPF_MAP_CONST_STR_FREEZE(0x16, 0x0, 0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000340)={0x18, 0x3, &(0x7f0000000d00)=ANY=[], &(0x7f0000000000)='syzkaller\x00'}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0x5, 0x5, &(0x7f0000000180)=ANY=[@ANYBLOB="180800000000000000000000000000001800000000000000000000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x48, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)
openat$tun(0xffffffffffffff9c, 0x0, 0xc1842, 0x0)
socket$kcm(0x10, 0x2, 0x10)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=8m26.689361643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF-openat$tun
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$BPF_MAP_CONST_STR_FREEZE(0x16, 0x0, 0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000340)={0x18, 0x3, &(0x7f0000000d00)=ANY=[], &(0x7f0000000000)='syzkaller\x00'}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0x5, 0x5, &(0x7f0000000180)=ANY=[@ANYBLOB="180800000000000000000000000000001800000000000000000000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x48, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)
openat$tun(0xffffffffffffff9c, 0x0, 0xc1842, 0x0)

program crashed: INFO: rcu detected stall in futex
testing program (duration=8m26.689361643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$BPF_MAP_CONST_STR_FREEZE(0x16, 0x0, 0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000340)={0x18, 0x3, &(0x7f0000000d00)=ANY=[], &(0x7f0000000000)='syzkaller\x00'}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0x5, 0x5, &(0x7f0000000180)=ANY=[@ANYBLOB="180800000000000000000000000000001800000000000000000000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x48, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)

program crashed: INFO: rcu detected stall in futex
testing program (duration=8m26.689361643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-bpf$PROG_LOAD
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$BPF_MAP_CONST_STR_FREEZE(0x16, 0x0, 0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000340)={0x18, 0x3, &(0x7f0000000d00)=ANY=[], &(0x7f0000000000)='syzkaller\x00'}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0x5, 0x5, &(0x7f0000000180)=ANY=[@ANYBLOB="180800000000000000000000000000001800000000000000000000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x48, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)

program did not crash
testing program (duration=8m26.689361643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$BPF_MAP_CONST_STR_FREEZE(0x16, 0x0, 0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000340)={0x18, 0x3, &(0x7f0000000d00)=ANY=[], &(0x7f0000000000)='syzkaller\x00'}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, 0xffffffffffffffff)

program did not crash
testing program (duration=8m26.689361643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$BPF_MAP_CONST_STR_FREEZE(0x16, 0x0, 0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000340)={0x18, 0x3, &(0x7f0000000d00)=ANY=[], &(0x7f0000000000)='syzkaller\x00'}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
r0 = bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0x5, 0x5, &(0x7f0000000180)=ANY=[@ANYBLOB="180800000000000000000000000000001800000000000000000000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x48, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
ioctl$PERF_EVENT_IOC_SET_BPF(0xffffffffffffffff, 0x40042408, r0)

program did not crash
testing program (duration=8m26.689361643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-bpf$BPF_MAP_CONST_STR_FREEZE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$BPF_MAP_CONST_STR_FREEZE(0x16, 0x0, 0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000340)={0x18, 0x3, &(0x7f0000000d00)=ANY=[], &(0x7f0000000000)='syzkaller\x00'}, 0x94)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0x5, 0x5, &(0x7f0000000180)=ANY=[@ANYBLOB="180800000000000000000000000000001800000000000000000000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x48, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)

program crashed: INFO: rcu detected stall in futex
testing program (duration=8m26.689361643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-bpf$BPF_MAP_CONST_STR_FREEZE-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
bpf$BPF_MAP_CONST_STR_FREEZE(0x16, 0x0, 0x0)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0x5, 0x5, &(0x7f0000000180)=ANY=[@ANYBLOB="180800000000000000000000000000001800000000000000000000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x48, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)

program crashed: lost connection to test machine
testing program (duration=8m26.689361643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0x5, 0x5, &(0x7f0000000180)=ANY=[@ANYBLOB="180800000000000000000000000000001800000000000000000000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x48, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)

program crashed: INFO: rcu detected stall in futex
testing program (duration=8m26.689361643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0x5, 0x5, &(0x7f0000000180)=ANY=[@ANYBLOB="180800000000000000000000000000001800000000000000000000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x48, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)

program did not crash
testing program (duration=8m26.689361643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0x5, 0x5, &(0x7f0000000180)=ANY=[@ANYBLOB="180800000000000000000000000000001800000000000000000000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x48, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)

program did not crash
testing program (duration=8m26.689361643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = perf_event_open(0x0, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, &(0x7f00000018c0)={0x5, 0x5, &(0x7f0000000180)=ANY=[@ANYBLOB="180800000000000000000000000000001800000000000000000000000000000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x48, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)

program did not crash
testing program (duration=8m26.689361643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)

program crashed: INFO: rcu detected stall in corrupted
extracting C reproducer
testing compiled C program (duration=8m26.689361643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
program did not crash
simplifying guilty program options
testing program (duration=8m26.689361643s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)

program crashed: INFO: rcu detected stall in corrupted
extracting C reproducer
testing compiled C program (duration=8m26.689361643s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=8m26.689361643s, {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}}): perf_event_open-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)

program did not crash
testing program (duration=8m26.689361643s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
testing program (duration=8m26.689361643s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
testing program (duration=8m26.689361643s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
reproducing took 2h11m41.103893701s
repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (0 ticks this GP) idle=d3fc/1/0x4000000000000000 softirq=41369/41369 fqs=0
rcu: 	(detected by 0, t=10502 jiffies, g=44221, q=1555 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 11351 Comm: syz.1.5004 Not tainted 6.6.102-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:check_region_inline mm/kasan/generic.c:169 [inline]
RIP: 0010:kasan_check_range+0x16/0x290 mm/kasan/generic.c:187
Code: ff ff ff c3 0f 0b b8 ea ff ff ff c3 cc cc cc cc cc cc cc cc 66 0f 1f 00 b0 01 48 85 f6 0f 84 b8 01 00 00 55 41 57 41 56 41 55 <41> 54 53 4c 8d 04 37 49 39 f8 0f 82 5a 02 00 00 49 89 f9 49 c1 e9
RSP: 0018:ffffc900001f0d40 EFLAGS: 00000002
RAX: ffffffff812f1e01 RBX: 0000000000000000 RCX: ffffffff812f1ea7
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e4a8828
RBP: 0000000000000000 R08: ffff8880b8f3d37b R09: 1ffff110171e7a6f
R10: dffffc0000000000 R11: ffffed10171e7a70 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000555580ed0500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc2602dc2fe CR3: 00000000266f4000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 cpumask_test_cpu include/linux/cpumask.h:504 [inline]
 cpu_online include/linux/cpumask.h:1082 [inline]
 trace_irq_work_exit arch/x86/include/asm/trace/irq_vectors.h:64 [inline]
 __sysvec_irq_work+0xd7/0x380 arch/x86/kernel/irq_work.c:23
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0x4e/0xc0 arch/x86/kernel/irq_work.c:17
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:723
RIP: 0010:variable_ffs arch/x86/include/asm/bitops.h:319 [inline]
RIP: 0010:handle_softirqs+0x1b0/0x820 kernel/softirq.c:566
Code: 89 64 24 2c 0f b7 db 48 c7 c7 a0 b2 a9 8a e8 57 c8 1b 09 65 66 c7 05 fd 23 b2 7e 00 00 e8 18 58 3a 00 fb 49 c7 c6 c0 a0 a0 8c <89> 5c 24 34 b8 ff ff ff ff 0f bc 44 24 34 41 89 c5 41 ff c5 0f 84
RSP: 0018:ffffc900001f0e40 EFLAGS: 00000286
RAX: 0a8463e6eee4fb00 RBX: 0000000000000200 RCX: 0a8463e6eee4fb00
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: ffffffff8afc66c0
RBP: ffffc900001f0f50 R08: ffffffff90da3517 R09: 1ffffffff21b46a2
R10: dffffc0000000000 R11: fffffbfff21b46a3 R12: 000000000000000a
R13: 0000000000000000 R14: ffffffff8ca0a0c0 R15: ffff888018f08000
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0xa1/0xc0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:723
RIP: 0010:rcu_read_unlock_special+0x88/0x4c0 kernel/rcu/tree_plugin.h:682
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 39 58 93 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc90003db7c00 EFLAGS: 00000206
RAX: 0a8463e6eee4fb00 RBX: 1ffff920007b6f88 RCX: 0a8463e6eee4fb00
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: ffffffff8afc66c0
RBP: ffffc90003db7cf0 R08: ffffffff90da3517 R09: 1ffffffff21b46a2
R10: dffffc0000000000 R11: fffffbfff21b46a3 R12: ffffffff8cd35400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002
 __rcu_read_unlock+0x7c/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock+0x85/0xa0 include/linux/rcupdate.h:818
 dput+0xe6/0x1e0 fs/dcache.c:911
 __fput+0x5e5/0x970 fs/file_table.c:392
 task_work_run+0x1ce/0x250 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fcfd838ebe9
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:00007ffda64aa658 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000005b854 RCX: 00007fcfd838ebe9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 00000004a64aa94f
R10: 0000001b2f420000 R11: 0000000000000246 R12: 00007fcfd85b5fac
R13: 00007fcfd85b5fa0 R14: ffffffffffffffff R15: 0000000000000003
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g44221 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=13144
rcu: rcu_preempt kthread starved for 10502 jiffies! g44221 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I stack:27088 pid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5380 [inline]
 __schedule+0x14d2/0x44d0 kernel/sched/core.c:6699
 schedule+0xbd/0x170 kernel/sched/core.c:6773
 schedule_timeout+0x160/0x280 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x302/0x1560 kernel/rcu/tree.c:1667
 rcu_gp_kthread+0x99/0x380 kernel/rcu/tree.c:1866
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 11351 Comm: syz.1.5004 Not tainted 6.6.102-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:check_wait_context kernel/locking/lockdep.c:-1 [inline]
RIP: 0010:__lock_acquire+0x8c0/0x7c80 kernel/locking/lockdep.c:5087
Code: 85 bb 65 00 00 48 8b 84 24 98 00 00 00 83 38 00 0f 94 c3 00 db 80 c3 02 48 8b 44 24 78 42 0f b6 04 00 84 c0 0f 85 e1 62 00 00 <89> 9c 24 88 00 00 00 48 8b 44 24 40 44 3b 30 0f 8d dc 02 00 00 49
RSP: 0018:ffffc900001f0260 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 00000000000e2002 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90da3500
RBP: ffffc900001f04a8 R08: dffffc0000000000 R09: 1ffffffff21b46a0
R10: dffffc0000000000 R11: fffffbfff21b46a1 R12: 0000000000000000
R13: ffff888018f08b00 R14: 0000000000000002 R15: ffff888018f08000
FS:  0000555580ed0500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc2602dc2fe CR3: 00000000266f4000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 lock_acquire+0x197/0x410 kernel/locking/lockdep.c:5754
 rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
 rcu_read_lock include/linux/rcupdate.h:786 [inline]
 __perf_output_begin kernel/events/ring_buffer.c:163 [inline]
 perf_output_begin_forward+0xc0/0xa20 kernel/events/ring_buffer.c:273
 __perf_event_output kernel/events/core.c:7974 [inline]
 perf_event_output_forward+0x22b/0x3a0 kernel/events/core.c:7992
 __perf_event_overflow+0x447/0x630 kernel/events/core.c:9717
 perf_swevent_overflow kernel/events/core.c:9793 [inline]
 perf_swevent_event+0x2f5/0x5c0 kernel/events/core.c:-1
 perf_tp_event+0x4f9/0x13a0 kernel/events/core.c:10343
 perf_trace_run_bpf_submit+0xf4/0x1c0 kernel/events/core.c:10267
 perf_trace_preemptirq_template+0x281/0x340 include/trace/events/preemptirq.h:14
 trace_irq_enable+0xbf/0xe0 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x18/0x40 kernel/trace/trace_preemptirq.c:56
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:723
RIP: 0010:variable_ffs arch/x86/include/asm/bitops.h:319 [inline]
RIP: 0010:handle_softirqs+0x1b0/0x820 kernel/softirq.c:566
Code: 89 64 24 2c 0f b7 db 48 c7 c7 a0 b2 a9 8a e8 57 c8 1b 09 65 66 c7 05 fd 23 b2 7e 00 00 e8 18 58 3a 00 fb 49 c7 c6 c0 a0 a0 8c <89> 5c 24 34 b8 ff ff ff ff 0f bc 44 24 34 41 89 c5 41 ff c5 0f 84
RSP: 0018:ffffc900001f0e40 EFLAGS: 00000286
RAX: 0a8463e6eee4fb00 RBX: 0000000000000200 RCX: 0a8463e6eee4fb00
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: ffffffff8afc66c0
RBP: ffffc900001f0f50 R08: ffffffff90da3517 R09: 1ffffffff21b46a2
R10: dffffc0000000000 R11: fffffbfff21b46a3 R12: 000000000000000a
R13: 0000000000000000 R14: ffffffff8ca0a0c0 R15: ffff888018f08000
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0xa1/0xc0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:723
RIP: 0010:rcu_read_unlock_special+0x88/0x4c0 kernel/rcu/tree_plugin.h:682
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 39 58 93 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc90003db7c00 EFLAGS: 00000206
RAX: 0a8463e6eee4fb00 RBX: 1ffff920007b6f88 RCX: 0a8463e6eee4fb00
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: ffffffff8afc66c0
RBP: ffffc90003db7cf0 R08: ffffffff90da3517 R09: 1ffffffff21b46a2
R10: dffffc0000000000 R11: fffffbfff21b46a3 R12: ffffffff8cd35400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002
 __rcu_read_unlock+0x7c/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock+0x85/0xa0 include/linux/rcupdate.h:818
 dput+0xe6/0x1e0 fs/dcache.c:911
 __fput+0x5e5/0x970 fs/file_table.c:392
 task_work_run+0x1ce/0x250 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fcfd838ebe9
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:00007ffda64aa658 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000005b854 RCX: 00007fcfd838ebe9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 00000004a64aa94f
R10: 0000001b2f420000 R11: 0000000000000246 R12: 00007fcfd85b5fac
R13: 00007fcfd85b5fa0 R14: ffffffffffffffff R15: 0000000000000003
 </TASK>

report is corrupted, running repro again
testing program (duration=8m26.689361643s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)

program crashed: INFO: rcu detected stall in corrupted
report is corrupted, running repro again
testing program (duration=8m26.689361643s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): perf_event_open-perf_event_open-bpf$PROG_LOAD-ioctl$PERF_EVENT_IOC_SET_BPF
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x29, 0x1, 0x0, 0x0, 0x0, 0x4, 0x510, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x1, @perf_bp={0x0}, 0x0, 0x10000, 0x0, 0x5, 0x8, 0x20005, 0x0, 0x0, 0x0, 0x0, 0x20000006}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r0 = perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0xed, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xa}, 0x104101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0)
r1 = bpf$PROG_LOAD(0x5, 0x0, 0x0)
ioctl$PERF_EVENT_IOC_SET_BPF(r0, 0x40042408, r1)

program crashed: INFO: rcu detected stall in smp_call_function
final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-....: (1 ticks this GP) idle=7014/1/0x4000000000000000 softirq=25002/25002 fqs=5247
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number: 12566820          0            0
rcu: 	cputime:     4868      47649            0   ==> 52500(ms)
rcu: 	(detected by 0, t=10502 jiffies, g=26901, q=869 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 8593 Comm: syz.3.2509 Not tainted 6.6.102-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:asm_exc_int3+0x0/0x40 arch/x86/include/asm/idtentry.h:607
Code: e9 05 07 00 00 90 90 90 90 90 f3 0f 1e fa 0f 01 ca fc 6a ff e8 01 06 00 00 48 89 c4 48 89 e7 e8 16 fa ec ff e9 e1 06 00 00 90 <f3> 0f 1e fa 0f 01 ca fc 6a ff f6 44 24 10 03 75 18 ff 74 24 28 ff
RSP: 0018:ffffc900001effb8 EFLAGS: 00000802
RAX: f2f2f200f1f1f1f1 RBX: 0000000000000001 RCX: ffff888025a4bc00
RDX: 0000000000000100 RSI: ffffffff813c0bcc RDI: ffffffff8cd2fca0
RBP: ffffc900001f00f0 R08: dffffc0000000000 R09: 1ffffffff21b46a0
R10: dffffc0000000000 R11: fffffbfff21b46a1 R12: ffffffff813c0bcc
R13: dffffc0000000000 R14: ffffffff813c0bcc R15: 1ffff9200003e008
FS:  0000555585fc8500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2de63fff CR3: 0000000029504000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline]
RIP: 0010:trace_lock_release include/trace/events/lock.h:69 [inline]
RIP: 0010:lock_release+0x80/0x8b0 kernel/locking/lockdep.c:5765
Code: 60 80 67 81 4c 8d 7c 24 60 49 c1 ef 03 48 b8 f1 f1 f1 f1 00 f2 f2 f2 4b 89 04 2f 66 43 c7 44 2f 09 f3 f3 43 c6 44 2f 0b f3 cc <1f> 44 00 00 65 8b 05 21 39 9c 7e 83 f8 08 0f 83 24 05 00 00 89 c3
RSP: 0018:ffffc900001effe0 EFLAGS: 00000802
 rcu_lock_release include/linux/rcupdate.h:344 [inline]
 rcu_read_unlock_sched include/linux/rcupdate.h:899 [inline]
 pfn_valid include/linux/mmzone.h:2021 [inline]
 __virt_addr_valid+0x439/0x540 arch/x86/mm/physaddr.c:65
 kasan_addr_to_slab+0xd/0xd0 mm/kasan/common.c:35
 __kasan_record_aux_stack+0xf/0xc0 mm/kasan/generic.c:477
 irq_work_queue_on+0xf5/0x220 kernel/irq_work.c:150
 rcu_read_unlock_special+0x3a7/0x4c0 kernel/rcu/tree_plugin.h:675
 __rcu_read_unlock+0x7c/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:818 [inline]
 __perf_event_output kernel/events/core.c:7983 [inline]
 perf_event_output_forward+0x2e6/0x3a0 kernel/events/core.c:7992
 __perf_event_overflow+0x447/0x630 kernel/events/core.c:9717
 perf_swevent_overflow kernel/events/core.c:9793 [inline]
 perf_swevent_event+0x2f5/0x5c0 kernel/events/core.c:-1
 perf_tp_event+0x4f9/0x13a0 kernel/events/core.c:10343
 perf_trace_run_bpf_submit+0xf4/0x1c0 kernel/events/core.c:10267
 perf_trace_preemptirq_template+0x281/0x340 include/trace/events/preemptirq.h:14
 trace_irq_enable+0xbf/0xe0 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x18/0x40 kernel/trace/trace_preemptirq.c:56
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:723
RIP: 0010:rcu_read_unlock_special+0x88/0x4c0 kernel/rcu/tree_plugin.h:682
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 39 58 93 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc900001f09c0 EFLAGS: 00000206
RAX: d386de256f90ed00 RBX: 1ffff9200003e140 RCX: d386de256f90ed00
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: ffffffff8afc66c0
RBP: ffffc900001f0ac0 R08: ffffffff90da35ff R09: 1ffffffff21b46bf
R10: dffffc0000000000 R11: fffffbfff21b46c0 R12: ffffffff8cd35400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002
 __rcu_read_unlock+0x7c/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:818 [inline]
 hsr_announce+0x2c8/0x340 net/hsr/hsr_device.c:384
 call_timer_fn+0x16e/0x530 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x52d/0x7d0 kernel/time/timer.c:2022
 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2035
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:smp_call_function_many_cond+0xcbd/0x1130 kernel/smp.c:850
Code: e8 58 d4 0a 00 0f 0b e9 77 f8 ff ff e8 4c d4 0a 00 e8 57 91 f2 08 48 85 db 0f 84 c1 fe ff ff e8 39 d4 0a 00 fb 83 7c 24 5c 00 <0f> 84 9e 01 00 00 44 39 a4 24 80 00 00 00 0f 83 90 01 00 00 4d 8d
RSP: 0018:ffffc900039277c0 EFLAGS: 00000202
RAX: ffffffff817ab6e7 RBX: 0000000000000200 RCX: ffff888025a4bc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003927940 R08: ffffffff90da3507 R09: 1ffffffff21b46a0
R10: dffffc0000000000 R11: fffffbfff21b46a1 R12: 0000000000000002
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880b8f3d580
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1023
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2222 [inline]
 text_poke_bp_batch+0x617/0x930 arch/x86/kernel/alternative.c:2494
 text_poke_flush arch/x86/kernel/alternative.c:2623 [inline]
 text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2630
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 static_key_disable_cpuslocked+0xc5/0x1a0 kernel/jump_label.c:237
 static_key_disable+0x1a/0x20 kernel/jump_label.c:245
 tracepoint_remove_func kernel/tracepoint.c:417 [inline]
 tracepoint_probe_unregister+0x6ad/0x930 kernel/tracepoint.c:551
 trace_event_reg+0x153/0x260 kernel/trace/trace_events.c:-1
 perf_trace_event_unreg+0xb3/0x1b0 kernel/trace/trace_event_perf.c:162
 perf_trace_destroy+0x9e/0x140 kernel/trace/trace_event_perf.c:241
 _free_event+0xb73/0xf30 kernel/events/core.c:5279
 put_event kernel/events/core.c:5376 [inline]
 perf_event_release_kernel+0x836/0x8c0 kernel/events/core.c:5501
 perf_release+0x3b/0x40 kernel/events/core.c:5511
 __fput+0x234/0x970 fs/file_table.c:384
 task_work_run+0x1ce/0x250 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f434e58ebe9
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:00007ffe91a1c7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000024e83 RCX: 00007f434e58ebe9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000491a1cacf
R10: 0000001b2d220000 R11: 0000000000000246 R12: 00007f434e7b5fac
R13: 00007f434e7b5fa0 R14: ffffffffffffffff R15: 0000000000000003
 </TASK>