Extracting prog: 12m16.586624197s
Minimizing prog: 1h4m20.406975022s
Simplifying prog options: 0s
Extracting C: 3m14.912573591s
Simplifying C: 22m35.456214423s
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 perf_pending_task_sync
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: 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-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(r0, 0x0, 0x0) (async)
program crashed: INFO: task hung in perf_pending_task_sync
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$nbd-perf_event_open-sendmsg$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$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
sendmsg$inet(r0, 0x0, 0x0) (async)
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$nbd-close-sendmsg$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$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)) (async)
close(0x3)
sendmsg$inet(r0, 0x0, 0x0) (async)
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-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$inet(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f00c00e}, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(r0, 0x0, 0x0) (async)
program crashed: INFO: task hung in perf_pending_task_sync
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-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$inet(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f00c00e}, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(r0, 0x0, 0x0) (async)
program crashed: INFO: task hung in perf_pending_task_sync
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$inet-perf_event_open-close-sendmsg$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$inet(r1, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(r0, 0x0, 0x0) (async)
program crashed: INFO: task hung in perf_pending_task_sync
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-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)
socket$kcm(0x21, 0x2, 0x2)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(r0, 0x0, 0x0) (async)
program crashed: INFO: task hung in perf_pending_task_sync
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$kcm-perf_event_open-close-sendmsg$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$kcm(0x10, 0x2, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(r0, 0x0, 0x0) (async)
program crashed: INFO: task hung in perf_pending_task_sync
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-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$PROG_LOAD(0x5, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(0xffffffffffffffff, 0x0, 0x0) (async)
program crashed: INFO: task hung in perf_pending_task_sync
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-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$PROG_LOAD(0x5, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(0xffffffffffffffff, 0x0, 0x0) (async)
program crashed: INFO: task hung in perf_pending_task_sync
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$nbd-perf_event_open-close-sendmsg$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$nbd(0x1, 0x1, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(0xffffffffffffffff, 0x0, 0x0) (async)
program crashed: INFO: task hung in perf_pending_task_sync
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-perf_event_open-close-sendmsg$inet
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(0xffffffffffffffff, 0x0, 0x0) (async)
program crashed: INFO: task hung in perf_pending_task_sync
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-close-sendmsg$inet
detailed listing:
executing program 0:
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(0xffffffffffffffff, 0x0, 0x0) (async)
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-perf_event_open-close-sendmsg$inet
detailed listing:
executing program 0:
perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x12506, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x7602}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(0xffffffffffffffff, 0x0, 0x0)
program crashed: INFO: task hung in perf_pending_task_sync
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-perf_event_open-close-sendmsg$inet
detailed listing:
executing program 0:
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xc)
close(0x3)
sendmsg$inet(0xffffffffffffffff, 0x0, 0x0)
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-close-sendmsg$inet
program crashed: INFO: task hung in perf_pending_task_sync
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-close-sendmsg$inet
program crashed: INFO: task hung in perf_pending_task_sync
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-perf_event_open-close-sendmsg$inet
program crashed: INFO: task hung in perf_pending_task_sync
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-close-sendmsg$inet
program crashed: INFO: task hung in perf_pending_task_sync
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-close-sendmsg$inet
program crashed: INFO: task hung in perf_pending_task_sync
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-close-sendmsg$inet
program crashed: INFO: task hung in perf_pending_task_sync
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-close-sendmsg$inet
program crashed: INFO: task hung in perf_pending_task_sync
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-close-sendmsg$inet
program did not crash
reproducing took 1h42m27.362427483s
repro crashed as (corrupted=false):
INFO: task syz-executor137:6363 blocked for more than 143 seconds.
Not tainted 5.15.176-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor137 state:D stack:26624 pid: 6363 ppid: 4180 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
perf_pending_task_sync+0x13c/0x1c0 kernel/events/core.c:5127
_free_event+0x34/0xe60 kernel/events/core.c:5133
put_event kernel/events/core.c:5258 [inline]
perf_event_release_kernel+0x873/0x900 kernel/events/core.c:5383
perf_release+0x37/0x40 kernel/events/core.c:5393
__fput+0x3fe/0x8e0 fs/file_table.c:280
task_work_run+0x129/0x1a0 kernel/task_work.c:188
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fce3b1c9de9
RSP: 002b:00007ffdcb6c51d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fce3b1c9de9
RDX: ffffffffffffffb8 RSI: 00000000ffffffff RDI: 0000000000000003
RBP: 0000000000023742 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000000c R11: 0000000000000246 R12: 00007ffdcb6c51ec
R13: 431bde82d7b634db R14: 00007ffdcb6c5210 R15: 00007ffdcb6c51f0
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8cb1fce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3932:
#0: ffff88814ccd4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xe72/0xeb0 kernel/hung_task.c:295
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:108 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:562
final repro crashed as (corrupted=false):
INFO: task syz-executor137:6363 blocked for more than 143 seconds.
Not tainted 5.15.176-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor137 state:D stack:26624 pid: 6363 ppid: 4180 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5027 [inline]
__schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
schedule+0x11b/0x1f0 kernel/sched/core.c:6456
perf_pending_task_sync+0x13c/0x1c0 kernel/events/core.c:5127
_free_event+0x34/0xe60 kernel/events/core.c:5133
put_event kernel/events/core.c:5258 [inline]
perf_event_release_kernel+0x873/0x900 kernel/events/core.c:5383
perf_release+0x37/0x40 kernel/events/core.c:5393
__fput+0x3fe/0x8e0 fs/file_table.c:280
task_work_run+0x129/0x1a0 kernel/task_work.c:188
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
__syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fce3b1c9de9
RSP: 002b:00007ffdcb6c51d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fce3b1c9de9
RDX: ffffffffffffffb8 RSI: 00000000ffffffff RDI: 0000000000000003
RBP: 0000000000023742 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000000c R11: 0000000000000246 R12: 00007ffdcb6c51ec
R13: 431bde82d7b634db R14: 00007ffdcb6c5210 R15: 00007ffdcb6c51f0
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8cb1fce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3932:
#0: ffff88814ccd4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
#1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xe72/0xeb0 kernel/hung_task.c:295
kthread+0x3f6/0x4f0 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:108 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:562