Extracting prog: 5m29.676822653s
Minimizing prog: 17m19.883210553s
Simplifying prog options: 0s
Extracting C: 57.247892478s
Simplifying C: 8m46.617474684s
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
program crashed: WARNING: suspicious RCU usage in task_cls_state
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=1m40s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
program did not crash
testing program (duration=1m40s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
program did not crash
testing program (duration=1m40s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
program did not crash
testing program (duration=1m40s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, 0x0, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
program did not crash
testing program (duration=1m40s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
program did not crash
testing program (duration=1m40s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0x0, 0x0, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
program did not crash
testing program (duration=1m40s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000500)={r1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x48)
program did not crash
testing program (duration=1m40s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x0, &(0x7f00000002c0)=@base={0x1b, 0x0, 0x0, 0x8000, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000380)={0x1f, 0xd, &(0x7f0000000100)=@framed={{0x18, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x7}, [@call={0x85, 0x0, 0x0, 0x11}, @ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x20000002}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}, {0x85, 0x0, 0x0, 0xa6}}]}, &(0x7f00000000c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x34, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0xfff, @void, @value}, 0x94)
bpf$BPF_PROG_TEST_RUN(0xa, 0x0, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in task_cls_state
simplifying C reproducer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in task_cls_state
testing compiled C program (duration=1m40s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in task_cls_state
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in task_cls_state
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in task_cls_state
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in task_cls_state
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in task_cls_state
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_PROG_TEST_RUN
program crashed: WARNING: suspicious RCU usage in task_cls_state
reproducing took 32m33.425440205s
repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
6.15.0-next-20250604-syzkaller #0 Not tainted
-----------------------------
net/core/netclassid_cgroup.c:24 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
1 lock held by syz-executor351/5831:
#0: ffffffff8e13ef80 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8e13ef80 (rcu_read_lock_trace){....}-{0:0}, at: rcu_read_lock_trace+0x38/0x80 include/linux/rcupdate_trace.h:58
stack backtrace:
CPU: 0 UID: 0 PID: 5831 Comm: syz-executor351 Not tainted 6.15.0-next-20250604-syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
lockdep_rcu_suspicious+0x140/0x1d0 kernel/locking/lockdep.c:6871
task_cls_state+0x1a5/0x1d0 net/core/netclassid_cgroup.c:23
__task_get_classid include/net/cls_cgroup.h:50 [inline]
____bpf_get_cgroup_classid_curr net/core/filter.c:3088 [inline]
bpf_get_cgroup_classid_curr+0x18/0x60 net/core/filter.c:3086
bpf_prog_83da9cb0e78d4768+0x2c/0x5e
bpf_dispatcher_nop_func include/linux/bpf.h:1322 [inline]
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run include/linux/filter.h:725 [inline]
bpf_prog_run_pin_on_cpu+0x6a/0x150 include/linux/filter.h:742
bpf_prog_test_run_syscall+0x312/0x4b0 net/bpf/test_run.c:1564
bpf_prog_test_run+0x2c7/0x340 kernel/bpf/syscall.c:4429
__sys_bpf+0x4a4/0x860 kernel/bpf/syscall.c:5854
__do_sys_bpf kernel/bpf/syscall.c:5943 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5941 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5941
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
RIP: 0033:0x7f5d2c2e8cf9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed17e7818 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5d2c2e8cf9
RDX: 0000000000000048 RSI: 0000200000000500 RDI: 000000000000000a
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
final repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
6.15.0-next-20250604-syzkaller #0 Not tainted
-----------------------------
net/core/netclassid_cgroup.c:24 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
1 lock held by syz-executor351/5831:
#0: ffffffff8e13ef80 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8e13ef80 (rcu_read_lock_trace){....}-{0:0}, at: rcu_read_lock_trace+0x38/0x80 include/linux/rcupdate_trace.h:58
stack backtrace:
CPU: 0 UID: 0 PID: 5831 Comm: syz-executor351 Not tainted 6.15.0-next-20250604-syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
lockdep_rcu_suspicious+0x140/0x1d0 kernel/locking/lockdep.c:6871
task_cls_state+0x1a5/0x1d0 net/core/netclassid_cgroup.c:23
__task_get_classid include/net/cls_cgroup.h:50 [inline]
____bpf_get_cgroup_classid_curr net/core/filter.c:3088 [inline]
bpf_get_cgroup_classid_curr+0x18/0x60 net/core/filter.c:3086
bpf_prog_83da9cb0e78d4768+0x2c/0x5e
bpf_dispatcher_nop_func include/linux/bpf.h:1322 [inline]
__bpf_prog_run include/linux/filter.h:718 [inline]
bpf_prog_run include/linux/filter.h:725 [inline]
bpf_prog_run_pin_on_cpu+0x6a/0x150 include/linux/filter.h:742
bpf_prog_test_run_syscall+0x312/0x4b0 net/bpf/test_run.c:1564
bpf_prog_test_run+0x2c7/0x340 kernel/bpf/syscall.c:4429
__sys_bpf+0x4a4/0x860 kernel/bpf/syscall.c:5854
__do_sys_bpf kernel/bpf/syscall.c:5943 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5941 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5941
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
RIP: 0033:0x7f5d2c2e8cf9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed17e7818 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5d2c2e8cf9
RDX: 0000000000000048 RSI: 0000200000000500 RDI: 000000000000000a
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001