Extracting prog: 5m47.210961935s
Minimizing prog: 1h19m28.540485553s
Simplifying prog options: 10m11.016615982s
Extracting C: 41.416167459s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {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}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r1}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

program did not crash
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r1}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

program crashed: general protection fault in __pcpu_freelist_pop
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r1}, 0x18)

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}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

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}}): perf_event_open-bpf$MAP_CREATE-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00'}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

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}}): perf_event_open-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r0}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

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}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r1}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

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}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r1}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

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}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$MAP_CREATE(0x0, 0x0, 0x0)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r1}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
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}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
r0 = bpf$PROG_LOAD(0x5, 0x0, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r0}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

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}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x0, 0x0, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r0}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

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}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, 0x0, 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r1}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

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}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

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}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={0x0, r1}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
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}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r1}, 0x18)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
program crashed: KASAN: slab-out-of-bounds Write in __bpf_get_stackid
a never seen crash title: KASAN: slab-out-of-bounds Write in __bpf_get_stackid, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r1}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

program crashed: KASAN: slab-out-of-bounds Write in __bpf_get_stackid
a never seen crash title: KASAN: slab-out-of-bounds Write in __bpf_get_stackid, ignore
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r1}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

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}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r1}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

program crashed: KASAN: slab-out-of-bounds Write in __bpf_get_stackid
program crashed: KASAN: slab-out-of-bounds Write in __bpf_get_stackid
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r1}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

program crashed: KASAN: slab-out-of-bounds Write in __bpf_get_stackid
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000180)={0x2, 0x80, 0x4a, 0x1, 0x0, 0x0, 0x0, 0x4, 0x224, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x8000001946}, 0x0, 0x0, 0x0, 0x8, 0x3fe, 0x9, 0xd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000280)=@base={0x7, 0x4, 0x80, 0x4, 0x28}, 0x50)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000680)={0x11, 0x8, &(0x7f0000000080)=@framed={{}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r0}, {}, {0x85, 0x0, 0x0, 0x1b}}]}, &(0x7f0000000780)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, @fallback=0x2d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000f40)={&(0x7f0000000f00)='kfree\x00', r1}, 0x18)
perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0, 0x8}, 0x0, 0x2, 0xfffffffe, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x48000000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3)

program crashed: KASAN: slab-out-of-bounds Write in __bpf_get_stackid
validation run: crashed=true
reproducing took 1h44m36.887257449s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-out-of-bounds in __bpf_get_stackid+0x868/0xcf0 kernel/bpf/stackmap.c:265
Write of size 8 at addr ffff88802e8b5258 by task syz.1.226/6587

CPU: 1 UID: 0 PID: 6587 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xca/0x240 mm/kasan/report.c:482
 kasan_report+0x118/0x150 mm/kasan/report.c:595
 __bpf_get_stackid+0x868/0xcf0 kernel/bpf/stackmap.c:265
 ____bpf_get_stackid_raw_tp kernel/trace/bpf_trace.c:1810 [inline]
 bpf_get_stackid_raw_tp+0x196/0x210 kernel/trace/bpf_trace.c:1799
 bpf_prog_b724608cae728045+0x27/0x2f
 bpf_dispatcher_nop_func include/linux/bpf.h:1335 [inline]
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run include/linux/filter.h:725 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2257 [inline]
 bpf_trace_run2+0x281/0x4b0 kernel/trace/bpf_trace.c:2298
 __do_trace_kfree include/trace/events/kmem.h:94 [inline]
 trace_kfree include/trace/events/kmem.h:94 [inline]
 kfree+0x3a0/0x440 mm/slub.c:4866
 rcu_do_batch kernel/rcu/tree.c:2605 [inline]
 rcu_core+0xcab/0x1770 kernel/rcu/tree.c:2861
 handle_softirqs+0x283/0x870 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0x57/0xc0 arch/x86/kernel/apic/apic.c:1050
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0033:0x7fb15bf8ebe9
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:00007fb15cd45038 EFLAGS: 00000246
RAX: 0000000000000007 RBX: 00007fb15c1c5fa0 RCX: 00007fb15bf8ebe9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0
RBP: 00007fb15c011e19 R08: 0000000000000003 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb15c1c6038 R14: 00007fb15c1c5fa0 R15: 00007ffe7c50da88
 </TASK>

Allocated by task 6587:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:388 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:405
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __do_kmalloc_node mm/slub.c:4365 [inline]
 __kmalloc_node_noprof+0x276/0x4e0 mm/slub.c:4371
 kmalloc_node_noprof include/linux/slab.h:932 [inline]
 __bpf_map_area_alloc kernel/bpf/syscall.c:393 [inline]
 bpf_map_area_alloc+0x64/0x180 kernel/bpf/syscall.c:406
 prealloc_elems_and_freelist+0x86/0x1d0 kernel/bpf/stackmap.c:51
 stack_map_alloc+0x33f/0x4c0 kernel/bpf/stackmap.c:114
 map_create+0xaa0/0x14d0 kernel/bpf/syscall.c:1480
 __sys_bpf+0x60f/0x870 kernel/bpf/syscall.c:6011
 __do_sys_bpf kernel/bpf/syscall.c:6139 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6137 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6137
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88802e8b5000
 which belongs to the cache kmalloc-cg-1k of size 1024
The buggy address is located 24 bytes to the right of
 allocated 576-byte region [ffff88802e8b5000, ffff88802e8b5240)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2e8b0
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff888078eb1201
anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801a44b280 0000000000000000 dead000000000001
raw: 0000000000000000 0000000080100010 00000000f5000000 ffff888078eb1201
head: 00fff00000000040 ffff88801a44b280 0000000000000000 dead000000000001
head: 0000000000000000 0000000080100010 00000000f5000000 ffff888078eb1201
head: 00fff00000000003 ffffea0000ba2c01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5993, tgid 5993 (syz-executor), ts 107177077265, free_ts 107054595432
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416
 alloc_slab_page mm/slub.c:2487 [inline]
 allocate_slab+0x8a/0x370 mm/slub.c:2655
 new_slab mm/slub.c:2709 [inline]
 ___slab_alloc+0xbeb/0x1410 mm/slub.c:3891
 __slab_alloc mm/slub.c:3981 [inline]
 __slab_alloc_node mm/slub.c:4056 [inline]
 slab_alloc_node mm/slub.c:4217 [inline]
 __do_kmalloc_node mm/slub.c:4364 [inline]
 __kmalloc_noprof+0x305/0x4f0 mm/slub.c:4377
 kmalloc_noprof include/linux/slab.h:909 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 __register_sysctl_table+0x72/0x1340 fs/proc/proc_sysctl.c:1379
 neigh_sysctl_register+0x9a2/0xa80 net/core/neighbour.c:3887
 devinet_sysctl_register+0xad/0x200 net/ipv4/devinet.c:2715
 inetdev_init+0x2b4/0x500 net/ipv4/devinet.c:291
 inetdev_event+0x301/0x15b0 net/ipv4/devinet.c:1591
 notifier_call_chain+0x1b3/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
 call_netdevice_notifiers net/core/dev.c:2281 [inline]
 register_netdevice+0x1608/0x1ae0 net/core/dev.c:11227
 veth_newlink+0x5cc/0xa50 drivers/net/veth.c:1884
 rtnl_newlink_create+0x30d/0xb00 net/core/rtnetlink.c:3825
page last free pid 5990 tgid 5990 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2895
 discard_slab mm/slub.c:2753 [inline]
 __put_partials+0x156/0x1a0 mm/slub.c:3218
 put_cpu_partial+0x17c/0x250 mm/slub.c:3293
 __slab_free+0x2d5/0x3c0 mm/slub.c:4550
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:340
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4180 [inline]
 slab_alloc_node mm/slub.c:4229 [inline]
 __kmalloc_cache_noprof+0x1be/0x3d0 mm/slub.c:4391
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 alloc_netdev_mqs+0xb90/0x1170 net/core/dev.c:11867
 rtnl_create_link+0x31f/0xd10 net/core/rtnetlink.c:3633
 rtnl_newlink_create+0x25c/0xb00 net/core/rtnetlink.c:3815
 __rtnl_newlink net/core/rtnetlink.c:3942 [inline]
 rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4057
 rtnetlink_rcv_msg+0x7cc/0xb70 net/core/rtnetlink.c:6946
 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2552
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x82c/0x9e0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896

Memory state around the buggy address:
 ffff88802e8b5100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88802e8b5180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88802e8b5200: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
                                                    ^
 ffff88802e8b5280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88802e8b5300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-out-of-bounds in __bpf_get_stackid+0x868/0xcf0 kernel/bpf/stackmap.c:265
Write of size 8 at addr ffff88802e8b5258 by task syz.1.226/6587

CPU: 1 UID: 0 PID: 6587 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xca/0x240 mm/kasan/report.c:482
 kasan_report+0x118/0x150 mm/kasan/report.c:595
 __bpf_get_stackid+0x868/0xcf0 kernel/bpf/stackmap.c:265
 ____bpf_get_stackid_raw_tp kernel/trace/bpf_trace.c:1810 [inline]
 bpf_get_stackid_raw_tp+0x196/0x210 kernel/trace/bpf_trace.c:1799
 bpf_prog_b724608cae728045+0x27/0x2f
 bpf_dispatcher_nop_func include/linux/bpf.h:1335 [inline]
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run include/linux/filter.h:725 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2257 [inline]
 bpf_trace_run2+0x281/0x4b0 kernel/trace/bpf_trace.c:2298
 __do_trace_kfree include/trace/events/kmem.h:94 [inline]
 trace_kfree include/trace/events/kmem.h:94 [inline]
 kfree+0x3a0/0x440 mm/slub.c:4866
 rcu_do_batch kernel/rcu/tree.c:2605 [inline]
 rcu_core+0xcab/0x1770 kernel/rcu/tree.c:2861
 handle_softirqs+0x283/0x870 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0x57/0xc0 arch/x86/kernel/apic/apic.c:1050
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0033:0x7fb15bf8ebe9
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:00007fb15cd45038 EFLAGS: 00000246
RAX: 0000000000000007 RBX: 00007fb15c1c5fa0 RCX: 00007fb15bf8ebe9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0
RBP: 00007fb15c011e19 R08: 0000000000000003 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb15c1c6038 R14: 00007fb15c1c5fa0 R15: 00007ffe7c50da88
 </TASK>

Allocated by task 6587:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:388 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:405
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __do_kmalloc_node mm/slub.c:4365 [inline]
 __kmalloc_node_noprof+0x276/0x4e0 mm/slub.c:4371
 kmalloc_node_noprof include/linux/slab.h:932 [inline]
 __bpf_map_area_alloc kernel/bpf/syscall.c:393 [inline]
 bpf_map_area_alloc+0x64/0x180 kernel/bpf/syscall.c:406
 prealloc_elems_and_freelist+0x86/0x1d0 kernel/bpf/stackmap.c:51
 stack_map_alloc+0x33f/0x4c0 kernel/bpf/stackmap.c:114
 map_create+0xaa0/0x14d0 kernel/bpf/syscall.c:1480
 __sys_bpf+0x60f/0x870 kernel/bpf/syscall.c:6011
 __do_sys_bpf kernel/bpf/syscall.c:6139 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6137 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6137
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88802e8b5000
 which belongs to the cache kmalloc-cg-1k of size 1024
The buggy address is located 24 bytes to the right of
 allocated 576-byte region [ffff88802e8b5000, ffff88802e8b5240)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2e8b0
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff888078eb1201
anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801a44b280 0000000000000000 dead000000000001
raw: 0000000000000000 0000000080100010 00000000f5000000 ffff888078eb1201
head: 00fff00000000040 ffff88801a44b280 0000000000000000 dead000000000001
head: 0000000000000000 0000000080100010 00000000f5000000 ffff888078eb1201
head: 00fff00000000003 ffffea0000ba2c01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5993, tgid 5993 (syz-executor), ts 107177077265, free_ts 107054595432
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416
 alloc_slab_page mm/slub.c:2487 [inline]
 allocate_slab+0x8a/0x370 mm/slub.c:2655
 new_slab mm/slub.c:2709 [inline]
 ___slab_alloc+0xbeb/0x1410 mm/slub.c:3891
 __slab_alloc mm/slub.c:3981 [inline]
 __slab_alloc_node mm/slub.c:4056 [inline]
 slab_alloc_node mm/slub.c:4217 [inline]
 __do_kmalloc_node mm/slub.c:4364 [inline]
 __kmalloc_noprof+0x305/0x4f0 mm/slub.c:4377
 kmalloc_noprof include/linux/slab.h:909 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 __register_sysctl_table+0x72/0x1340 fs/proc/proc_sysctl.c:1379
 neigh_sysctl_register+0x9a2/0xa80 net/core/neighbour.c:3887
 devinet_sysctl_register+0xad/0x200 net/ipv4/devinet.c:2715
 inetdev_init+0x2b4/0x500 net/ipv4/devinet.c:291
 inetdev_event+0x301/0x15b0 net/ipv4/devinet.c:1591
 notifier_call_chain+0x1b3/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
 call_netdevice_notifiers net/core/dev.c:2281 [inline]
 register_netdevice+0x1608/0x1ae0 net/core/dev.c:11227
 veth_newlink+0x5cc/0xa50 drivers/net/veth.c:1884
 rtnl_newlink_create+0x30d/0xb00 net/core/rtnetlink.c:3825
page last free pid 5990 tgid 5990 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2895
 discard_slab mm/slub.c:2753 [inline]
 __put_partials+0x156/0x1a0 mm/slub.c:3218
 put_cpu_partial+0x17c/0x250 mm/slub.c:3293
 __slab_free+0x2d5/0x3c0 mm/slub.c:4550
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:340
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4180 [inline]
 slab_alloc_node mm/slub.c:4229 [inline]
 __kmalloc_cache_noprof+0x1be/0x3d0 mm/slub.c:4391
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 alloc_netdev_mqs+0xb90/0x1170 net/core/dev.c:11867
 rtnl_create_link+0x31f/0xd10 net/core/rtnetlink.c:3633
 rtnl_newlink_create+0x25c/0xb00 net/core/rtnetlink.c:3815
 __rtnl_newlink net/core/rtnetlink.c:3942 [inline]
 rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4057
 rtnetlink_rcv_msg+0x7cc/0xb70 net/core/rtnetlink.c:6946
 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2552
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x82c/0x9e0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896

Memory state around the buggy address:
 ffff88802e8b5100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88802e8b5180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88802e8b5200: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
                                                    ^
 ffff88802e8b5280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88802e8b5300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================