Extracting prog: 8m40.399815741s
Minimizing prog: 1h10m59.623849886s
Simplifying prog options: 0s
Extracting C: 3m15.707236755s
Simplifying C: 21m59.830363669s
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}}): perf_event_open-socketpair$nbd-bpf$PROG_LOAD-perf_event_open-socket$kcm-socket$kcm-sendmsg$inet-sendmsg$inet-perf_event_open-socketpair$nbd-perf_event_open-close-sendmsg$inet-sendmsg$inet
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
r0 = socket$kcm(0x10, 0x2, 0x0)
r1 = socket$kcm(0x21, 0x2, 0x2)
sendmsg$inet(r1, 0x0, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f00c00e}, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(r1, 0x0, 0x0)
sendmsg$inet(r0, 0x0, 0x0) (async)
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}}): perf_event_open-socketpair$nbd-bpf$PROG_LOAD-perf_event_open-socket$kcm-socket$kcm-sendmsg$inet-sendmsg$inet-perf_event_open-socketpair$nbd-perf_event_open-close-sendmsg$inet-sendmsg$inet
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
r0 = socket$kcm(0x10, 0x2, 0x0)
r1 = socket$kcm(0x21, 0x2, 0x2)
sendmsg$inet(r1, 0x0, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f00c00e}, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(r1, 0x0, 0x0)
sendmsg$inet(r0, 0x0, 0x0) (async)
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-bpf$PROG_LOAD-perf_event_open-socket$kcm-socket$kcm-sendmsg$inet-sendmsg$inet-perf_event_open-socketpair$nbd-perf_event_open-close-sendmsg$inet-sendmsg$inet
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
r0 = socket$kcm(0x10, 0x2, 0x0)
r1 = socket$kcm(0x21, 0x2, 0x2)
sendmsg$inet(r1, 0x0, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f00c00e}, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(r1, 0x0, 0x0)
sendmsg$inet(r0, 0x0, 0x0) (async)
program crashed: INFO: task hung in _free_event
single: successfully extracted reproducer
found reproducer with 14 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-bpf$PROG_LOAD-perf_event_open-socket$kcm-socket$kcm-sendmsg$inet-sendmsg$inet-perf_event_open-socketpair$nbd-perf_event_open-close-sendmsg$inet
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
r0 = socket$kcm(0x10, 0x2, 0x0)
r1 = socket$kcm(0x21, 0x2, 0x2)
sendmsg$inet(r1, 0x0, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f00c00e}, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(r1, 0x0, 0x0)
program crashed: INFO: task hung in _free_event
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-bpf$PROG_LOAD-perf_event_open-socket$kcm-socket$kcm-sendmsg$inet-sendmsg$inet-perf_event_open-socketpair$nbd-perf_event_open-close
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
r0 = socket$kcm(0x10, 0x2, 0x0)
r1 = socket$kcm(0x21, 0x2, 0x2)
sendmsg$inet(r1, 0x0, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f00c00e}, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
program crashed: INFO: task hung in _free_event
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-bpf$PROG_LOAD-perf_event_open-socket$kcm-socket$kcm-sendmsg$inet-sendmsg$inet-perf_event_open-socketpair$nbd-perf_event_open
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
r0 = socket$kcm(0x10, 0x2, 0x0)
r1 = socket$kcm(0x21, 0x2, 0x2)
sendmsg$inet(r1, 0x0, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f00c00e}, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-bpf$PROG_LOAD-perf_event_open-socket$kcm-socket$kcm-sendmsg$inet-sendmsg$inet-perf_event_open-socketpair$nbd-close
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
r0 = socket$kcm(0x10, 0x2, 0x0)
r1 = socket$kcm(0x21, 0x2, 0x2)
sendmsg$inet(r1, 0x0, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f00c00e}, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
close(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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-bpf$PROG_LOAD-perf_event_open-socket$kcm-socket$kcm-sendmsg$inet-sendmsg$inet-perf_event_open-perf_event_open-close
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
r0 = socket$kcm(0x10, 0x2, 0x0)
r1 = socket$kcm(0x21, 0x2, 0x2)
sendmsg$inet(r1, 0x0, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f00c00e}, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-bpf$PROG_LOAD-perf_event_open-socket$kcm-socket$kcm-sendmsg$inet-sendmsg$inet-socketpair$nbd-perf_event_open-close
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
r0 = socket$kcm(0x10, 0x2, 0x0)
r1 = socket$kcm(0x21, 0x2, 0x2)
sendmsg$inet(r1, 0x0, 0x0)
sendmsg$inet(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f00c00e}, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
program crashed: INFO: task hung in _free_event
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-bpf$PROG_LOAD-perf_event_open-socket$kcm-socket$kcm-sendmsg$inet-socketpair$nbd-perf_event_open-close
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
socket$kcm(0x10, 0x2, 0x0)
r0 = socket$kcm(0x21, 0x2, 0x2)
sendmsg$inet(r0, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
program crashed: INFO: task hung in _free_event
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-bpf$PROG_LOAD-perf_event_open-socket$kcm-socket$kcm-socketpair$nbd-perf_event_open-close
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
socket$kcm(0x10, 0x2, 0x0)
socket$kcm(0x21, 0x2, 0x2)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
program crashed: INFO: task hung in _free_event
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-bpf$PROG_LOAD-perf_event_open-socket$kcm-socketpair$nbd-perf_event_open-close
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
socket$kcm(0x10, 0x2, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
program crashed: INFO: task hung in _free_event
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-bpf$PROG_LOAD-perf_event_open-socketpair$nbd-perf_event_open-close
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
program crashed: INFO: task hung in _free_event
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-bpf$PROG_LOAD-socketpair$nbd-perf_event_open-close
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
program crashed: INFO: task hung in _free_event
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-socketpair$nbd-perf_event_open-close
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
program crashed: INFO: task hung in _free_event
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-perf_event_open-close
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
program crashed: INFO: task hung in _free_event
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$nbd-perf_event_open-close
detailed listing:
executing program 0:
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-perf_event_open-close
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180))
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
program crashed: INFO: task hung in _free_event
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-perf_event_open-close
detailed listing:
executing program 0:
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180))
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-perf_event_open-close
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
socketpair$nbd(0x1, 0x1, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
program crashed: INFO: task hung in _free_event
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-perf_event_open-close
program crashed: INFO: task hung in _free_event
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-perf_event_open-close
program crashed: INFO: task hung in _free_event
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-perf_event_open-close
program did not crash
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-perf_event_open-close
program crashed: INFO: task hung in _free_event
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-perf_event_open-close
program crashed: INFO: task hung in _free_event
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-perf_event_open-close
program crashed: INFO: task hung in _free_event
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-perf_event_open-close
program crashed: INFO: task hung in _free_event
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-socketpair$nbd-perf_event_open-close
program crashed: INFO: task hung in _free_event
reproducing took 1h44m55.56128632s
repro crashed as (corrupted=false):
INFO: task syz-executor399:4299 blocked for more than 143 seconds.
Not tainted 6.1.129-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor399 state:D stack:24416 pid:4299 ppid:4264 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
perf_pending_task_sync kernel/events/core.c:5033 [inline]
_free_event+0x169/0x1090 kernel/events/core.c:5039
put_event kernel/events/core.c:5164 [inline]
perf_event_release_kernel+0x873/0x900 kernel/events/core.c:5289
perf_release+0x37/0x40 kernel/events/core.c:5299
__fput+0x3f6/0x8d0 fs/file_table.c:320
task_work_run+0x246/0x300 kernel/task_work.c:203
exit_task_work include/linux/task_work.h:39 [inline]
do_exit+0xa6e/0x26a0 kernel/exit.c:871
do_group_exit+0x202/0x2b0 kernel/exit.c:1021
get_signal+0x16cb/0x17a0 kernel/signal.c:2871
arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa7c1413ba9
RSP: 002b:00007ffe40550088 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 00007fa7c1413ba9
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: 0000400000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000a0
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000022545
R13: 00007ffe4055009c R14: 00007ffe405500b0 R15: 00007ffe405500a0
INFO: task syz-executor399:4695 blocked for more than 143 seconds.
Not tainted 6.1.129-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor399 state:D stack:25120 pid:4695 ppid:4268 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
perf_pending_task_sync kernel/events/core.c:5033 [inline]
_free_event+0x169/0x1090 kernel/events/core.c:5039
put_event kernel/events/core.c:5164 [inline]
perf_event_release_kernel+0x873/0x900 kernel/events/core.c:5289
perf_release+0x37/0x40 kernel/events/core.c:5299
__fput+0x3f6/0x8d0 fs/file_table.c:320
task_work_run+0x246/0x300 kernel/task_work.c:203
exit_task_work include/linux/task_work.h:39 [inline]
do_exit+0xa6e/0x26a0 kernel/exit.c:871
do_group_exit+0x202/0x2b0 kernel/exit.c:1021
get_signal+0x16cb/0x17a0 kernel/signal.c:2871
arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa7c1413ba9
RSP: 002b:00007ffe40550088 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: fffffffffffffff2 RBX: 0000000000000000 RCX: 00007fa7c1413ba9
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 000000000000000c R09: 00000000000000a0
R10: 00000000ffffffff R11: 0000000000000246 R12: 00000000000229b2
R13: 00007ffe4055009c R14: 00007ffe405500b0 R15: 00007ffe405500a0
INFO: task syz-executor399:4936 blocked for more than 143 seconds.
Not tainted 6.1.129-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor399 state:D stack:27016 pid:4936 ppid:4266 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
perf_pending_task_sync kernel/events/core.c:5033 [inline]
_free_event+0x169/0x1090 kernel/events/core.c:5039
put_event kernel/events/core.c:5164 [inline]
perf_event_release_kernel+0x873/0x900 kernel/events/core.c:5289
perf_release+0x37/0x40 kernel/events/core.c:5299
__fput+0x3f6/0x8d0 fs/file_table.c:320
task_work_run+0x246/0x300 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa7c1413ba9
RSP: 002b:00007ffe40550088 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa7c1413ba9
RDX: ffffffffffffffb8 RSI: 00000000ffffffff RDI: 0000000000000003
RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0
R10: 000000000000000c R11: 0000000000000246 R12: 0000000000022d37
R13: 00007ffe4055009c R14: 00007ffe405500b0 R15: 00007ffe405500a0
Showing all locks held in the system:
2 locks held by kworker/u4:1/11:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d32e850 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:517
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d32f050 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:517
1 lock held by khungtaskd/28:
#0: ffffffff8d32e680 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#0: ffffffff8d32e680 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#0: ffffffff8d32e680 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6510
2 locks held by getty/4009:
#0: ffff88814d30f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc9000325e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x54a/0x1620 drivers/tty/n_tty.c:2198
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.129-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1ca/0x430 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xf88/0xfd0 kernel/hung_task.c:377
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.129-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4748 [inline]
RIP: 0010:__lock_acquire+0x794/0x1f80 kernel/locking/lockdep.c:4999
Code: 8b 5d 00 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 60 62 2b 91 be 08 00 00 00 e8 14 3f 77 00 48 0f a3 1d cc b0 c0 0f <73> 1b 48 8d 04 5b 48 c1 e0 06 48 8d 98 20 e1 c3 90 48 ba 00 00 00
RSP: 0018:ffffc90000107600 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 00000000000000af RCX: ffffffff816ab18c
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff912b6270
RBP: ffff888017fe46a8 R08: dffffc0000000000 R09: fffffbfff2256c4f
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff888017fe46a8 R14: 0000000000000001 R15: 0000000000000004
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e2fd15f600 CR3: 000000000d08e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
lock_timer_base+0x120/0x260 kernel/time/timer.c:999
__mod_timer+0x1cb/0xee0 kernel/time/timer.c:1072
queue_delayed_work_on+0x156/0x250 kernel/workqueue.c:1704
queue_delayed_work include/linux/workqueue.h:527 [inline]
toggle_allocation_gate+0x427/0x480 mm/kfence/core.c:821
process_one_work+0x917/0x1260 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.603 msecs
final repro crashed as (corrupted=false):
INFO: task syz-executor399:4299 blocked for more than 143 seconds.
Not tainted 6.1.129-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor399 state:D stack:24416 pid:4299 ppid:4264 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
perf_pending_task_sync kernel/events/core.c:5033 [inline]
_free_event+0x169/0x1090 kernel/events/core.c:5039
put_event kernel/events/core.c:5164 [inline]
perf_event_release_kernel+0x873/0x900 kernel/events/core.c:5289
perf_release+0x37/0x40 kernel/events/core.c:5299
__fput+0x3f6/0x8d0 fs/file_table.c:320
task_work_run+0x246/0x300 kernel/task_work.c:203
exit_task_work include/linux/task_work.h:39 [inline]
do_exit+0xa6e/0x26a0 kernel/exit.c:871
do_group_exit+0x202/0x2b0 kernel/exit.c:1021
get_signal+0x16cb/0x17a0 kernel/signal.c:2871
arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa7c1413ba9
RSP: 002b:00007ffe40550088 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 00007fa7c1413ba9
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: 0000400000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000a0
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000022545
R13: 00007ffe4055009c R14: 00007ffe405500b0 R15: 00007ffe405500a0
INFO: task syz-executor399:4695 blocked for more than 143 seconds.
Not tainted 6.1.129-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor399 state:D stack:25120 pid:4695 ppid:4268 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
perf_pending_task_sync kernel/events/core.c:5033 [inline]
_free_event+0x169/0x1090 kernel/events/core.c:5039
put_event kernel/events/core.c:5164 [inline]
perf_event_release_kernel+0x873/0x900 kernel/events/core.c:5289
perf_release+0x37/0x40 kernel/events/core.c:5299
__fput+0x3f6/0x8d0 fs/file_table.c:320
task_work_run+0x246/0x300 kernel/task_work.c:203
exit_task_work include/linux/task_work.h:39 [inline]
do_exit+0xa6e/0x26a0 kernel/exit.c:871
do_group_exit+0x202/0x2b0 kernel/exit.c:1021
get_signal+0x16cb/0x17a0 kernel/signal.c:2871
arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa7c1413ba9
RSP: 002b:00007ffe40550088 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: fffffffffffffff2 RBX: 0000000000000000 RCX: 00007fa7c1413ba9
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 000000000000000c R09: 00000000000000a0
R10: 00000000ffffffff R11: 0000000000000246 R12: 00000000000229b2
R13: 00007ffe4055009c R14: 00007ffe405500b0 R15: 00007ffe405500a0
INFO: task syz-executor399:4936 blocked for more than 143 seconds.
Not tainted 6.1.129-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor399 state:D stack:27016 pid:4936 ppid:4266 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5243 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6560
schedule+0xbf/0x180 kernel/sched/core.c:6636
perf_pending_task_sync kernel/events/core.c:5033 [inline]
_free_event+0x169/0x1090 kernel/events/core.c:5039
put_event kernel/events/core.c:5164 [inline]
perf_event_release_kernel+0x873/0x900 kernel/events/core.c:5289
perf_release+0x37/0x40 kernel/events/core.c:5299
__fput+0x3f6/0x8d0 fs/file_table.c:320
task_work_run+0x246/0x300 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa7c1413ba9
RSP: 002b:00007ffe40550088 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa7c1413ba9
RDX: ffffffffffffffb8 RSI: 00000000ffffffff RDI: 0000000000000003
RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0
R10: 000000000000000c R11: 0000000000000246 R12: 0000000000022d37
R13: 00007ffe4055009c R14: 00007ffe405500b0 R15: 00007ffe405500a0
Showing all locks held in the system:
2 locks held by kworker/u4:1/11:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d32e850 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:517
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d32f050 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:517
1 lock held by khungtaskd/28:
#0: ffffffff8d32e680 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#0: ffffffff8d32e680 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#0: ffffffff8d32e680 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6510
2 locks held by getty/4009:
#0: ffff88814d30f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc9000325e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x54a/0x1620 drivers/tty/n_tty.c:2198
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.129-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1ca/0x430 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xf88/0xfd0 kernel/hung_task.c:377
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.129-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4748 [inline]
RIP: 0010:__lock_acquire+0x794/0x1f80 kernel/locking/lockdep.c:4999
Code: 8b 5d 00 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 60 62 2b 91 be 08 00 00 00 e8 14 3f 77 00 48 0f a3 1d cc b0 c0 0f <73> 1b 48 8d 04 5b 48 c1 e0 06 48 8d 98 20 e1 c3 90 48 ba 00 00 00
RSP: 0018:ffffc90000107600 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 00000000000000af RCX: ffffffff816ab18c
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff912b6270
RBP: ffff888017fe46a8 R08: dffffc0000000000 R09: fffffbfff2256c4f
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff888017fe46a8 R14: 0000000000000001 R15: 0000000000000004
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e2fd15f600 CR3: 000000000d08e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
lock_timer_base+0x120/0x260 kernel/time/timer.c:999
__mod_timer+0x1cb/0xee0 kernel/time/timer.c:1072
queue_delayed_work_on+0x156/0x250 kernel/workqueue.c:1704
queue_delayed_work include/linux/workqueue.h:527 [inline]
toggle_allocation_gate+0x427/0x480 mm/kfence/core.c:821
process_one_work+0x917/0x1260 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.603 msecs