Extracting prog: 3m23.560418373s
Minimizing prog: 1h14m10.666498927s
Simplifying prog options: 12m52.615292798s
Extracting C: 5m12.05403123s
Simplifying C: 0s


extracting reproducer from 31 programs
testing a last program of every proc
single: executing 6 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-mmap-accept-write
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x3000001, 0x31, 0xffffffffffffffff, 0x0)
r1 = accept(r0, 0x0, 0x0)
write(r1, &(0x7f0000000500)="00000080", 0x4)

program crashed: WARNING in smb2_add_credits
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-mmap-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x3000001, 0x31, 0xffffffffffffffff, 0x0)
accept(r0, 0x0, 0x0)

program crashed: WARNING in smb2_add_credits
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-mmap
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x3000001, 0x31, 0xffffffffffffffff, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program crashed: WARNING in smb2_add_credits
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
bind$inet(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(0xffffffffffffffff, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(0xffffffffffffffff, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, 0x0, 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, 0x0, 0x0)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, 0x0, &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, 0x0)
accept(r0, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program crashed: WARNING in smb2_add_credits
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program crashed: WARNING in smb2_add_credits
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-socket$inet_tcp-bind$inet-listen-mount-accept
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x183042, 0x20)
r0 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x1bd, @empty}, 0x10)
listen(r0, 0xa)
mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='cifs\x00', 0x0, &(0x7f0000000300)='source=//127.0.0.1/share,user=root,pass=root,port=445,vers=3.0\x00')
accept(r0, 0x0, 0x0)

program crashed: WARNING in smb2_add_credits
validation run: crashed=true
reproducing took 2h8m38.508743349s
repro crashed as (corrupted=false):
CIFS: VFS: \\127.0.0.1 Er
CIFS: VFS: \\127.0.0.1 Error -32 sending data on socket to server
------------[ cut here ]------------
server->in_flight == 0
WARNING: fs/smb/client/smb2ops.c:104 at smb2_add_credits+0x1213/0x1790 fs/smb/client/smb2ops.c:104, CPU#0: syz.3.656/8354
Modules linked in:
CPU: 0 UID: 0 PID: 8354 Comm: syz.3.656 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
RIP: 0010:smb2_add_credits+0x1213/0x1790 fs/smb/client/smb2ops.c:104
Code: c6 e8 61 e3 b0 fe 84 db 0f 85 0a fb ff ff e8 44 e9 b0 fe 48 8d 3d 2d 3e f1 0d 67 48 0f b9 3a e9 f4 fa ff ff e8 2e e9 b0 fe 90 <0f> 0b 90 0f b6 05 eb bb d1 0d 31 ff 89 c6 88 44 24 28 e8 26 e3 b0
RSP: 0018:ffffc900030d7208 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88807796a300 RCX: 0000000000000001
RDX: ffff888059c7a580 RSI: ffffffff835aee02 RDI: ffff888059c7a580
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffc900030d7448
R13: 0000000000000200 R14: 0000000000000002 R15: ffff88807796a000
FS:  00007efee23386c0(0000) GS:ffff888123b69000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007febf679aff8 CR3: 0000000076f6e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 add_credits fs/smb/client/cifsglob.h:894 [inline]
 compound_send_recv+0x1030/0x2a10 fs/smb/client/transport.c:979
 cifs_send_recv+0x43/0x60 fs/smb/client/transport.c:1106
 SMB2_negotiate+0x15c4/0x5380 fs/smb/client/smb2pdu.c:1188
 cifs_negotiate_protocol fs/smb/client/connect.c:4040 [inline]
 cifs_negotiate_protocol+0x268/0x4c0 fs/smb/client/connect.c:4011
 cifs_get_smb_ses+0xfc9/0x2170 fs/smb/client/connect.c:2492
 cifs_mount_get_session+0xf8/0x460 fs/smb/client/connect.c:3578
 get_session fs/smb/client/dfs.c:65 [inline]
 dfs_mount_share+0x200/0x1e20 fs/smb/client/dfs.c:275
 cifs_mount+0xc4/0xdb0 fs/smb/client/connect.c:3860
 cifs_smb3_do_mount+0x2c0/0x1b10 fs/smb/client/cifsfs.c:1026
 smb3_get_tree_common fs/smb/client/fs_context.c:897 [inline]
 smb3_get_tree fs/smb/client/fs_context.c:917 [inline]
 smb3_get_tree+0x1fd/0x440 fs/smb/client/fs_context.c:909
 vfs_get_tree+0x92/0x320 fs/super.c:1947
 fc_mount fs/namespace.c:1198 [inline]
 do_new_mount_fc fs/namespace.c:3772 [inline]
 do_new_mount fs/namespace.c:3848 [inline]
 path_mount+0x7d0/0x24c0 fs/namespace.c:4168
 do_mount fs/namespace.c:4181 [inline]
 __do_sys_mount fs/namespace.c:4397 [inline]
 __se_sys_mount fs/namespace.c:4374 [inline]
 __x64_sys_mount+0x293/0x310 fs/namespace.c:4374
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efee139e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efee2338028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007efee1625fa0 RCX: 00007efee139e159
RDX: 0000200000000200 RSI: 0000200000000100 RDI: 0000000000000000
RBP: 00007efee1435024 R08: 0000200000000300 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efee1626038 R14: 00007efee1625fa0 R15: 00007ffd49f6f058
 </TASK>

final repro crashed as (corrupted=false):
CIFS: VFS: \\127.0.0.1 Er
CIFS: VFS: \\127.0.0.1 Error -32 sending data on socket to server
------------[ cut here ]------------
server->in_flight == 0
WARNING: fs/smb/client/smb2ops.c:104 at smb2_add_credits+0x1213/0x1790 fs/smb/client/smb2ops.c:104, CPU#0: syz.3.656/8354
Modules linked in:
CPU: 0 UID: 0 PID: 8354 Comm: syz.3.656 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
RIP: 0010:smb2_add_credits+0x1213/0x1790 fs/smb/client/smb2ops.c:104
Code: c6 e8 61 e3 b0 fe 84 db 0f 85 0a fb ff ff e8 44 e9 b0 fe 48 8d 3d 2d 3e f1 0d 67 48 0f b9 3a e9 f4 fa ff ff e8 2e e9 b0 fe 90 <0f> 0b 90 0f b6 05 eb bb d1 0d 31 ff 89 c6 88 44 24 28 e8 26 e3 b0
RSP: 0018:ffffc900030d7208 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88807796a300 RCX: 0000000000000001
RDX: ffff888059c7a580 RSI: ffffffff835aee02 RDI: ffff888059c7a580
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffc900030d7448
R13: 0000000000000200 R14: 0000000000000002 R15: ffff88807796a000
FS:  00007efee23386c0(0000) GS:ffff888123b69000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007febf679aff8 CR3: 0000000076f6e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 add_credits fs/smb/client/cifsglob.h:894 [inline]
 compound_send_recv+0x1030/0x2a10 fs/smb/client/transport.c:979
 cifs_send_recv+0x43/0x60 fs/smb/client/transport.c:1106
 SMB2_negotiate+0x15c4/0x5380 fs/smb/client/smb2pdu.c:1188
 cifs_negotiate_protocol fs/smb/client/connect.c:4040 [inline]
 cifs_negotiate_protocol+0x268/0x4c0 fs/smb/client/connect.c:4011
 cifs_get_smb_ses+0xfc9/0x2170 fs/smb/client/connect.c:2492
 cifs_mount_get_session+0xf8/0x460 fs/smb/client/connect.c:3578
 get_session fs/smb/client/dfs.c:65 [inline]
 dfs_mount_share+0x200/0x1e20 fs/smb/client/dfs.c:275
 cifs_mount+0xc4/0xdb0 fs/smb/client/connect.c:3860
 cifs_smb3_do_mount+0x2c0/0x1b10 fs/smb/client/cifsfs.c:1026
 smb3_get_tree_common fs/smb/client/fs_context.c:897 [inline]
 smb3_get_tree fs/smb/client/fs_context.c:917 [inline]
 smb3_get_tree+0x1fd/0x440 fs/smb/client/fs_context.c:909
 vfs_get_tree+0x92/0x320 fs/super.c:1947
 fc_mount fs/namespace.c:1198 [inline]
 do_new_mount_fc fs/namespace.c:3772 [inline]
 do_new_mount fs/namespace.c:3848 [inline]
 path_mount+0x7d0/0x24c0 fs/namespace.c:4168
 do_mount fs/namespace.c:4181 [inline]
 __do_sys_mount fs/namespace.c:4397 [inline]
 __se_sys_mount fs/namespace.c:4374 [inline]
 __x64_sys_mount+0x293/0x310 fs/namespace.c:4374
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efee139e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efee2338028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007efee1625fa0 RCX: 00007efee139e159
RDX: 0000200000000200 RSI: 0000200000000100 RDI: 0000000000000000
RBP: 00007efee1435024 R08: 0000200000000300 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efee1626038 R14: 00007efee1625fa0 R15: 00007ffd49f6f058
 </TASK>