Extracting prog: 3m23.242632424s
Minimizing prog: 1h3m49.246538316s
Simplifying prog options: 0s
Extracting C: 1m14.390652342s
Simplifying C: 17m32.129396364s
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}}): socketpair$unix-perf_event_open-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-socketpair$unix-setsockopt$sock_attach_bpf-sendmsg$inet
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0))
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
r0 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00', r1}, 0x10)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x23, 0x0, 0x0)
sendmsg$inet(0xffffffffffffffff, 0x0, 0x0)
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}}): socketpair$unix-perf_event_open-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-socketpair$unix-setsockopt$sock_attach_bpf-sendmsg$inet
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0))
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
r0 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00', r1}, 0x10)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x23, 0x0, 0x0)
sendmsg$inet(0xffffffffffffffff, 0x0, 0x0)
program crashed: possible deadlock in __bpf_ringbuf_reserve
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-perf_event_open-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-socketpair$unix-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0))
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
r0 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00', r1}, 0x10)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x1, 0x23, 0x0, 0x0)
program crashed: possible deadlock in __bpf_ringbuf_reserve
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-perf_event_open-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-socketpair$unix
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0))
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
r0 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00', r1}, 0x10)
socketpair$unix(0x1, 0x2, 0x0, 0x0)
program crashed: possible deadlock in __bpf_ringbuf_reserve
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-perf_event_open-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0))
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
r0 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00', r1}, 0x10)
program crashed: possible deadlock in __bpf_ringbuf_reserve
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-perf_event_open-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0))
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
r0 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-perf_event_open-bpf$MAP_CREATE-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0))
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00'}, 0x10)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-perf_event_open-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0))
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x8)
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {}, {}, [@ringbuf_output={{}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00', r0}, 0x10)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0))
r0 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00', r1}, 0x10)
program crashed: possible deadlock in __bpf_ringbuf_reserve
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$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00', r1}, 0x10)
program crashed: possible deadlock in __bpf_ringbuf_reserve
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$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x1900000000000000, 0x0, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00', r1}, 0x10)
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$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00', r0}, 0x10)
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$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x0, 0x0, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00', r0}, 0x10)
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$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00', r1}, 0x10)
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$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={0x0, r1}, 0x18)
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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
program crashed: possible deadlock in __bpf_ringbuf_reserve
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
program crashed: possible deadlock in __bpf_ringbuf_reserve
testing compiled C program (duration=6m0s, {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}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
program crashed: possible deadlock in __bpf_ringbuf_reserve
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
program crashed: possible deadlock in __bpf_ringbuf_reserve
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
program crashed: possible deadlock in __bpf_ringbuf_reserve
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
program crashed: possible deadlock in __bpf_ringbuf_reserve
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00', r1}, 0x10)
program crashed: possible deadlock in __bpf_ringbuf_reserve
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00', r1}, 0x10)
program crashed: possible deadlock in __bpf_ringbuf_reserve
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
r0 = bpf$MAP_CREATE(0x1900000000000000, &(0x7f0000000040)=@base={0x1b, 0x0, 0x0, 0x2000}, 0x48)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000280)={0x18, 0x18, &(0x7f0000000480)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8001}, {{0x18, 0x1, 0x1, 0x0, r0}}, {}, [@ringbuf_output={{0x18, 0x1, 0x1, 0x0, r0}, {0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x10}, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x4, 0x0, 0x0, 0x1}}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x4}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000040)='contention_end\x00', r1}, 0x10)
program crashed: possible deadlock in __bpf_ringbuf_reserve
validation run: crashed=true
reproducing took 1h30m18.739694819s
repro crashed as (corrupted=false):
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
============================================
WARNING: possible recursive locking detected
syzkaller #0 Not tainted
--------------------------------------------
kworker/u8:3/37 is trying to acquire lock:
ffffc9000bced0d8 (&rb->spinlock){-.-.}-{2:2}, at: __bpf_ringbuf_reserve+0x1c7/0x5a0 kernel/bpf/ringbuf.c:423
but task is already holding lock:
ffffc9000bcb90d8 (&rb->spinlock){-.-.}-{2:2}, at: __bpf_ringbuf_reserve+0x1c7/0x5a0 kernel/bpf/ringbuf.c:423
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&rb->spinlock);
lock(&rb->spinlock);
*** DEADLOCK ***
May be due to missing lock nesting notation
6 locks held by kworker/u8:3/37:
#0: ffff88801a489148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
#0: ffff88801a489148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
#1: ffffc90000ad7bc0 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
#1: ffffc90000ad7bc0 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
#2: ffff888020f68768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6212 [inline]
#2: ffff888020f68768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xc4/0x470 net/wireless/core.c:421
#3: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#3: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#3: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2256 [inline]
#3: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run2+0x186/0x4b0 kernel/trace/bpf_trace.c:2298
#4: ffffc9000bcb90d8 (&rb->spinlock){-.-.}-{2:2}, at: __bpf_ringbuf_reserve+0x1c7/0x5a0 kernel/bpf/ringbuf.c:423
#5: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#5: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#5: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2256 [inline]
#5: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run2+0x186/0x4b0 kernel/trace/bpf_trace.c:2298
stack backtrace:
CPU: 1 UID: 0 PID: 37 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: events_unbound cfg80211_wiphy_work
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
print_deadlock_bug+0x28b/0x2a0 kernel/locking/lockdep.c:3041
check_deadlock kernel/locking/lockdep.c:3093 [inline]
validate_chain+0x1a3f/0x2140 kernel/locking/lockdep.c:3895
__lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa7/0xf0 kernel/locking/spinlock.c:162
__bpf_ringbuf_reserve+0x1c7/0x5a0 kernel/bpf/ringbuf.c:423
____bpf_ringbuf_reserve kernel/bpf/ringbuf.c:474 [inline]
bpf_ringbuf_reserve+0x5c/0x70 kernel/bpf/ringbuf.c:466
bpf_prog_7593138e1bd8a8e8+0x3f/0x8c
bpf_dispatcher_nop_func include/linux/bpf.h:1332 [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
__bpf_trace_contention_end+0xdc/0x130 include/trace/events/lock.h:122
__traceiter_contention_end+0x7a/0xb0 include/trace/events/lock.h:122
__do_trace_contention_end include/trace/events/lock.h:122 [inline]
trace_contention_end+0x111/0x140 include/trace/events/lock.h:122
__pv_queued_spin_lock_slowpath+0x9f9/0xb60 kernel/locking/qspinlock.c:374
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:557 [inline]
queued_spin_lock_slowpath+0x43/0x50 arch/x86/include/asm/qspinlock.h:51
queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
do_raw_spin_lock+0x21f/0x290 kernel/locking/spinlock_debug.c:116
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
_raw_spin_lock_irqsave+0xb3/0xf0 kernel/locking/spinlock.c:162
__bpf_ringbuf_reserve+0x1c7/0x5a0 kernel/bpf/ringbuf.c:423
____bpf_ringbuf_reserve kernel/bpf/ringbuf.c:474 [inline]
bpf_ringbuf_reserve+0x5c/0x70 kernel/bpf/ringbuf.c:466
bpf_prog_7593138e1bd8a8e8+0x3f/0x8c
bpf_dispatcher_nop_func include/linux/bpf.h:1332 [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
__bpf_trace_contention_end+0xdc/0x130 include/trace/events/lock.h:122
__traceiter_contention_end+0x7a/0xb0 include/trace/events/lock.h:122
__do_trace_contention_end include/trace/events/lock.h:122 [inline]
trace_contention_end+0xf4/0x120 include/trace/events/lock.h:122
__mutex_lock_common kernel/locking/mutex.c:607 [inline]
__mutex_lock+0x32b/0x1360 kernel/locking/mutex.c:760
class_wiphy_constructor include/net/cfg80211.h:6212 [inline]
cfg80211_wiphy_work+0xc4/0x470 net/wireless/core.c:421
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
final repro crashed as (corrupted=false):
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
============================================
WARNING: possible recursive locking detected
syzkaller #0 Not tainted
--------------------------------------------
kworker/u8:3/37 is trying to acquire lock:
ffffc9000bced0d8 (&rb->spinlock){-.-.}-{2:2}, at: __bpf_ringbuf_reserve+0x1c7/0x5a0 kernel/bpf/ringbuf.c:423
but task is already holding lock:
ffffc9000bcb90d8 (&rb->spinlock){-.-.}-{2:2}, at: __bpf_ringbuf_reserve+0x1c7/0x5a0 kernel/bpf/ringbuf.c:423
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&rb->spinlock);
lock(&rb->spinlock);
*** DEADLOCK ***
May be due to missing lock nesting notation
6 locks held by kworker/u8:3/37:
#0: ffff88801a489148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
#0: ffff88801a489148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 kernel/workqueue.c:3319
#1: ffffc90000ad7bc0 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
#1: ffffc90000ad7bc0 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 kernel/workqueue.c:3319
#2: ffff888020f68768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6212 [inline]
#2: ffff888020f68768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xc4/0x470 net/wireless/core.c:421
#3: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#3: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#3: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2256 [inline]
#3: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run2+0x186/0x4b0 kernel/trace/bpf_trace.c:2298
#4: ffffc9000bcb90d8 (&rb->spinlock){-.-.}-{2:2}, at: __bpf_ringbuf_reserve+0x1c7/0x5a0 kernel/bpf/ringbuf.c:423
#5: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#5: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#5: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2256 [inline]
#5: ffffffff8e139ea0 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run2+0x186/0x4b0 kernel/trace/bpf_trace.c:2298
stack backtrace:
CPU: 1 UID: 0 PID: 37 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: events_unbound cfg80211_wiphy_work
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
print_deadlock_bug+0x28b/0x2a0 kernel/locking/lockdep.c:3041
check_deadlock kernel/locking/lockdep.c:3093 [inline]
validate_chain+0x1a3f/0x2140 kernel/locking/lockdep.c:3895
__lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xa7/0xf0 kernel/locking/spinlock.c:162
__bpf_ringbuf_reserve+0x1c7/0x5a0 kernel/bpf/ringbuf.c:423
____bpf_ringbuf_reserve kernel/bpf/ringbuf.c:474 [inline]
bpf_ringbuf_reserve+0x5c/0x70 kernel/bpf/ringbuf.c:466
bpf_prog_7593138e1bd8a8e8+0x3f/0x8c
bpf_dispatcher_nop_func include/linux/bpf.h:1332 [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
__bpf_trace_contention_end+0xdc/0x130 include/trace/events/lock.h:122
__traceiter_contention_end+0x7a/0xb0 include/trace/events/lock.h:122
__do_trace_contention_end include/trace/events/lock.h:122 [inline]
trace_contention_end+0x111/0x140 include/trace/events/lock.h:122
__pv_queued_spin_lock_slowpath+0x9f9/0xb60 kernel/locking/qspinlock.c:374
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:557 [inline]
queued_spin_lock_slowpath+0x43/0x50 arch/x86/include/asm/qspinlock.h:51
queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
do_raw_spin_lock+0x21f/0x290 kernel/locking/spinlock_debug.c:116
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
_raw_spin_lock_irqsave+0xb3/0xf0 kernel/locking/spinlock.c:162
__bpf_ringbuf_reserve+0x1c7/0x5a0 kernel/bpf/ringbuf.c:423
____bpf_ringbuf_reserve kernel/bpf/ringbuf.c:474 [inline]
bpf_ringbuf_reserve+0x5c/0x70 kernel/bpf/ringbuf.c:466
bpf_prog_7593138e1bd8a8e8+0x3f/0x8c
bpf_dispatcher_nop_func include/linux/bpf.h:1332 [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
__bpf_trace_contention_end+0xdc/0x130 include/trace/events/lock.h:122
__traceiter_contention_end+0x7a/0xb0 include/trace/events/lock.h:122
__do_trace_contention_end include/trace/events/lock.h:122 [inline]
trace_contention_end+0xf4/0x120 include/trace/events/lock.h:122
__mutex_lock_common kernel/locking/mutex.c:607 [inline]
__mutex_lock+0x32b/0x1360 kernel/locking/mutex.c:760
class_wiphy_constructor include/net/cfg80211.h:6212 [inline]
cfg80211_wiphy_work+0xc4/0x470 net/wireless/core.c:421
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
kthread+0x711/0x8a0 kernel/kthread.c:463
ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245