Extracting prog: 1m53.19156088s
Minimizing prog: 1h21m57.881077007s
Simplifying prog options: 12m22.53352479s
Extracting C: 5m6.972996616s
Simplifying C: 0s


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: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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs: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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program crashed: WARNING in bdev_getblk
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)

program did not crash
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
socket(0x2, 0x1, 0x0)
r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_DO_IT(r0, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff)
ioctl$NBD_DO_IT(r1, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
testing program (duration=6m0s, {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: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$dir-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = socket(0x2, 0x1, 0x0)
r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r0)
ioctl$NBD_DO_IT(r1, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
testing program (duration=6m0s, {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: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}}): syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, 0x0, 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(0x0, 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(0x0, 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(0x0, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, 0x0, &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', 0x0, 0x2008087, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program crashed: WARNING in bdev_getblk
validation run: crashed=true
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program crashed: WARNING in bdev_getblk
validation run: crashed=true
testing program (duration=6m0s, {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: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$dir-syz_open_dev$ndb-socket-syz_open_dev$ndb-ioctl$NBD_SET_SOCK-ioctl$NBD_DO_IT-mount
detailed listing:
executing program 0:
openat$dir(0xffffffffffffff9c, &(0x7f0000001a00)='./file1\x00', 0x40042, 0x0)
r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x80000)
r1 = socket(0x2, 0x1, 0x0)
r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0)
ioctl$NBD_SET_SOCK(r0, 0xab00, r1)
ioctl$NBD_DO_IT(r2, 0xab03)
mount(&(0x7f0000000000)=@nbd={'/dev/nbd', 0x0}, &(0x7f0000004a00)='./file1\x00', &(0x7f0000000080)='udf\x00', 0x2008087, 0x0)

program crashed: WARNING in bdev_getblk
validation run: crashed=true
reproducing took 2h9m33.554537398s
repro crashed as (corrupted=false):
UDF-fs: error (device nbd3): udf_read_tagged: read failed, block=256, location=256
------------[ cut here ]------------
!IS_ALIGNED(size, bdev_logical_block_size(bdev))
WARNING: fs/buffer.c:1122 at __getblk_slow fs/buffer.c:1122 [inline], CPU#3: syz.3.20/6212
WARNING: fs/buffer.c:1122 at bdev_getblk.cold+0x6/0x45 fs/buffer.c:1458, CPU#3: syz.3.20/6212
Modules linked in:
CPU: 3 UID: 0 PID: 6212 Comm: syz.3.20 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__getblk_slow fs/buffer.c:1122 [inline]
RIP: 0010:bdev_getblk.cold+0x6/0x45 fs/buffer.c:1458
Code: 8b e8 ce 33 fd ff 58 e9 06 9b 79 01 e8 13 19 50 01 eb 96 48 89 4c 24 08 e8 07 19 50 01 48 8b 4c 24 08 eb c5 e8 db 9b e3 00 90 <0f> 0b 90 8b 74 24 04 89 da 48 c7 c7 00 24 c6 8b e8 95 33 fd ff e9
RSP: 0018:ffffc90003ab77f0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000400 RCX: ffffffff829eb76d
RDX: ffff888027e60000 RSI: ffffffff812517e5 RDI: ffff888027e60000
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000200
R13: 0000000000000008 R14: 0000000000000400 R15: ffff888028fa1700
FS:  00007f8810aa56c0(0000) GS:ffff8880d6644000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8810aa4ff8 CR3: 0000000057377000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __bread_gfp+0x86/0x3c0 fs/buffer.c:1512
 sb_bread include/linux/buffer_head.h:346 [inline]
 udf_read_tagged+0xae/0x790 fs/udf/misc.c:199
 udf_check_anchor_block+0x89/0x4b0 fs/udf/super.c:1910
 udf_scan_anchors fs/udf/super.c:1988 [inline]
 udf_load_vrs+0x660/0x1040 fs/udf/super.c:2031
 udf_fill_super+0x6c1/0x1b90 fs/udf/super.c:2199
 get_tree_bdev_flags+0x38c/0x620 fs/super.c:1694
 vfs_get_tree+0x92/0x320 fs/super.c:1754
 fc_mount fs/namespace.c:1193 [inline]
 do_new_mount_fc fs/namespace.c:3763 [inline]
 do_new_mount fs/namespace.c:3839 [inline]
 path_mount+0x7d0/0x23d0 fs/namespace.c:4159
 do_mount fs/namespace.c:4172 [inline]
 __do_sys_mount fs/namespace.c:4361 [inline]
 __se_sys_mount fs/namespace.c:4338 [inline]
 __x64_sys_mount+0x293/0x310 fs/namespace.c:4338
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f880fb9c799
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:00007f8810aa5028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f880fe16090 RCX: 00007f880fb9c799
RDX: 0000200000000080 RSI: 0000200000004a00 RDI: 0000200000000000
RBP: 00007f880fc32bd9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002008087 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f880fe16128 R14: 00007f880fe16090 R15: 00007fff2db6eae8
 </TASK>

final repro crashed as (corrupted=false):
UDF-fs: error (device nbd3): udf_read_tagged: read failed, block=256, location=256
------------[ cut here ]------------
!IS_ALIGNED(size, bdev_logical_block_size(bdev))
WARNING: fs/buffer.c:1122 at __getblk_slow fs/buffer.c:1122 [inline], CPU#3: syz.3.20/6212
WARNING: fs/buffer.c:1122 at bdev_getblk.cold+0x6/0x45 fs/buffer.c:1458, CPU#3: syz.3.20/6212
Modules linked in:
CPU: 3 UID: 0 PID: 6212 Comm: syz.3.20 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__getblk_slow fs/buffer.c:1122 [inline]
RIP: 0010:bdev_getblk.cold+0x6/0x45 fs/buffer.c:1458
Code: 8b e8 ce 33 fd ff 58 e9 06 9b 79 01 e8 13 19 50 01 eb 96 48 89 4c 24 08 e8 07 19 50 01 48 8b 4c 24 08 eb c5 e8 db 9b e3 00 90 <0f> 0b 90 8b 74 24 04 89 da 48 c7 c7 00 24 c6 8b e8 95 33 fd ff e9
RSP: 0018:ffffc90003ab77f0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000400 RCX: ffffffff829eb76d
RDX: ffff888027e60000 RSI: ffffffff812517e5 RDI: ffff888027e60000
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000200
R13: 0000000000000008 R14: 0000000000000400 R15: ffff888028fa1700
FS:  00007f8810aa56c0(0000) GS:ffff8880d6644000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8810aa4ff8 CR3: 0000000057377000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __bread_gfp+0x86/0x3c0 fs/buffer.c:1512
 sb_bread include/linux/buffer_head.h:346 [inline]
 udf_read_tagged+0xae/0x790 fs/udf/misc.c:199
 udf_check_anchor_block+0x89/0x4b0 fs/udf/super.c:1910
 udf_scan_anchors fs/udf/super.c:1988 [inline]
 udf_load_vrs+0x660/0x1040 fs/udf/super.c:2031
 udf_fill_super+0x6c1/0x1b90 fs/udf/super.c:2199
 get_tree_bdev_flags+0x38c/0x620 fs/super.c:1694
 vfs_get_tree+0x92/0x320 fs/super.c:1754
 fc_mount fs/namespace.c:1193 [inline]
 do_new_mount_fc fs/namespace.c:3763 [inline]
 do_new_mount fs/namespace.c:3839 [inline]
 path_mount+0x7d0/0x23d0 fs/namespace.c:4159
 do_mount fs/namespace.c:4172 [inline]
 __do_sys_mount fs/namespace.c:4361 [inline]
 __se_sys_mount fs/namespace.c:4338 [inline]
 __x64_sys_mount+0x293/0x310 fs/namespace.c:4338
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f880fb9c799
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:00007f8810aa5028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f880fe16090 RCX: 00007f880fb9c799
RDX: 0000200000000080 RSI: 0000200000004a00 RDI: 0000200000000000
RBP: 00007f880fc32bd9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002008087 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f880fe16128 R14: 00007f880fe16090 R15: 00007fff2db6eae8
 </TASK>