Extracting prog: 27.335951675s
Minimizing prog: 2m5.461270873s
Simplifying prog options: 1m5.048873903s
Extracting C: 14.23626626s
Simplifying C: 0s


1 programs, timeouts [15s 6m0s]
extracting reproducer from 1 programs
single: executing 1 programs separately with timeout 15s
testing program (duration=15s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): syz_open_procfs-fchdir-mount-inotify_init1-fcntl$setown-fcntl$getownex-syz_open_procfs-write$P9_RXATTRWALK
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='task\x00')
fchdir(r0)
mount(0x0, &(0x7f0000000080)='.\x00', &(0x7f0000000000)='proc\x00', 0x0, 0x0)
r1 = inotify_init1(0x0)
fcntl$setown(r1, 0x8, 0xffffffffffffffff)
fcntl$getownex(r1, 0x10, &(0x7f0000000140)={0x0, <r2=>0x0})
r3 = syz_open_procfs(r2, &(0x7f0000000600)='fd/4\x00')
write$P9_RXATTRWALK(r3, &(0x7f0000000100)={0xf, 0x1f, 0x2, 0x8}, 0xf)

program crashed: lost connection to test machine
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): syz_open_procfs-fchdir-mount-inotify_init1-fcntl$setown-fcntl$getownex-syz_open_procfs
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='task\x00')
fchdir(r0)
mount(0x0, &(0x7f0000000080)='.\x00', &(0x7f0000000000)='proc\x00', 0x0, 0x0)
r1 = inotify_init1(0x0)
fcntl$setown(r1, 0x8, 0xffffffffffffffff)
fcntl$getownex(r1, 0x10, &(0x7f0000000140)={0x0, <r2=>0x0})
syz_open_procfs(r2, &(0x7f0000000600)='fd/4\x00')

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): syz_open_procfs-fchdir-mount-inotify_init1-fcntl$setown-fcntl$getownex
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='task\x00')
fchdir(r0)
mount(0x0, &(0x7f0000000080)='.\x00', &(0x7f0000000000)='proc\x00', 0x0, 0x0)
r1 = inotify_init1(0x0)
fcntl$setown(r1, 0x8, 0xffffffffffffffff)
fcntl$getownex(r1, 0x10, &(0x7f0000000140))

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): syz_open_procfs-fchdir-mount-inotify_init1-fcntl$setown
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='task\x00')
fchdir(r0)
mount(0x0, &(0x7f0000000080)='.\x00', &(0x7f0000000000)='proc\x00', 0x0, 0x0)
r1 = inotify_init1(0x0)
fcntl$setown(r1, 0x8, 0xffffffffffffffff)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): syz_open_procfs-fchdir-mount-inotify_init1
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='task\x00')
fchdir(r0)
mount(0x0, &(0x7f0000000080)='.\x00', &(0x7f0000000000)='proc\x00', 0x0, 0x0)
inotify_init1(0x0)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): syz_open_procfs-fchdir-mount
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='task\x00')
fchdir(r0)
mount(0x0, &(0x7f0000000080)='.\x00', &(0x7f0000000000)='proc\x00', 0x0, 0x0)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): syz_open_procfs-fchdir
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='task\x00')
fchdir(r0)

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): syz_open_procfs
detailed listing:
executing program 0:
syz_open_procfs(0x0, &(0x7f00000000c0)='task\x00')

program crashed: lost connection to test machine
testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): syz_open_procfs
detailed listing:
executing program 0:
syz_open_procfs(0x0, 0x0)

program crashed: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): syz_open_procfs
program did not crash
simplifying guilty program options
testing program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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: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}}): syz_open_procfs
detailed listing:
executing program 0:
syz_open_procfs(0x0, 0x0)

program crashed: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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: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}}): syz_open_procfs
program did not crash
testing program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true 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}}): syz_open_procfs
detailed listing:
executing program 0:
syz_open_procfs(0x0, 0x0)

program crashed: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true 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}}): syz_open_procfs
program did not crash
reproducing took 4m1.41792577s
repro crashed as (corrupted=false):

final repro crashed as (corrupted=false):