Extracting prog: 2m23.859881155s
Minimizing prog: 11m9.231409695s
Simplifying prog options: 0s
Extracting C: 1m36.344896197s
Simplifying C: 24m12.744601675s


extracting reproducer from 77 programs
testing a last program of every proc
single: executing 27 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}}): syz_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE-openat-sendfile
detailed listing:
executing program 0:
syz_read_part_table(0x635, &(0x7f0000000000)="$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")
r0 = syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0)
ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x8000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
sendfile(r1, r1, 0x0, 0xe3aa6ee)

program crashed: WARNING: lock held when returning to user space in loop_set_block_size
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=45.201221319s, {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_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE-openat
detailed listing:
executing program 0:
syz_read_part_table(0x635, &(0x7f0000000000)="$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")
r0 = syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0)
ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x8000)
openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)

program crashed: WARNING: lock held when returning to user space in loop_set_block_size
testing program (duration=45.201221319s, {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_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
detailed listing:
executing program 0:
syz_read_part_table(0x635, &(0x7f0000000000)="$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")
r0 = syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0)
ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x8000)

program crashed: WARNING: lock held when returning to user space in loop_set_block_size
testing program (duration=45.201221319s, {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_read_part_table-syz_open_dev$loop
detailed listing:
executing program 0:
syz_read_part_table(0x635, &(0x7f0000000000)="$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")
syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0)

program did not crash
testing program (duration=45.201221319s, {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_read_part_table-ioctl$LOOP_SET_BLOCK_SIZE
detailed listing:
executing program 0:
syz_read_part_table(0x635, &(0x7f0000000000)="$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")
ioctl$LOOP_SET_BLOCK_SIZE(0xffffffffffffffff, 0x4c09, 0x8000)

program did not crash
testing program (duration=45.201221319s, {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$loop-ioctl$LOOP_SET_BLOCK_SIZE
detailed listing:
executing program 0:
r0 = syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0)
ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x8000)

program did not crash
testing program (duration=45.201221319s, {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_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
detailed listing:
executing program 0:
syz_read_part_table(0x635, &(0x7f0000000000)="$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")
r0 = syz_open_dev$loop(0x0, 0x0, 0x0)
ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x8000)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.201221319s, {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_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space in loop_set_block_size
simplifying C reproducer
testing compiled C program (duration=45.201221319s, {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}}): syz_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space in loop_set_block_size
testing compiled C program (duration=45.201221319s, {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: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_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space in loop_set_block_size
testing compiled C program (duration=45.201221319s, {Threaded:false Repeat:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space!
a never seen crash title: WARNING: lock held when returning to user space!, ignore
testing compiled C program (duration=45.201221319s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false 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_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space!
a never seen crash title: WARNING: lock held when returning to user space!, ignore
testing compiled C program (duration=45.201221319s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false 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_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space in loop_set_block_size
testing compiled C program (duration=45.201221319s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false 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_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space in loop_set_block_size
testing compiled C program (duration=45.201221319s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false 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_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space in loop_set_block_size
testing compiled C program (duration=45.201221319s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false 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_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space in loop_set_block_size
testing compiled C program (duration=45.201221319s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false 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_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space in loop_set_block_size
testing compiled C program (duration=45.201221319s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space in loop_set_block_size
testing compiled C program (duration=45.201221319s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space in loop_set_block_size
testing compiled C program (duration=45.201221319s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space in loop_set_block_size
testing compiled C program (duration=45.201221319s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space in loop_set_block_size
testing compiled C program (duration=45.201221319s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space in loop_set_block_size
testing compiled C program (duration=45.201221319s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
program crashed: WARNING: lock held when returning to user space in loop_set_block_size
testing program (duration=45.201221319s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
detailed listing:
executing program 0:
syz_read_part_table(0x635, &(0x7f0000000000)="$eJzs3D9oXeUbB/DvSe899yaFtr8fTl1SncViZ28NSHqpdKp061IVJFQc4lSx5Ea6mCGDg7NLEbLUumjo4KAt4iROoYNacRWkqNQiPXLuOfdPBEFsOwifz5Dzvs953vd5n5yTMSf8py2kmxTjYS+dJMdf/kvGZiYJ6df5Sapue+/czuqp01VVVUWdcz7dPPn5oetJOu2S/nSbqqo2ppOTufrB0o13i1F353Zd9ObWgTq82BzjSPL0wbI/3mZuh1TVvoP1HuXvgX/n2uBWUVwp29lTvzxYST76efXs7pmt966/2IY3ki+T+vm/U78Xk+y3cvHYhc54WD/lN+f3/bW5lLPI7HEvprPvDKMr68PtlcHa3iRwdLjz6WvP/X7sRqoT+arsLExuFLP9ymT08O3X/R+u3/7tS4O1veHlxemNJ97//xdZbid3qypH6pL/y/hPZ/kRVAYAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA4HG4NriVZDTcTtb2hr02unp298xWmeSFV/tt6Pj8qgPt9WIu3KmvG1lPfvgk3fmkov4xjiyku9LEvl+unhkPOpP6vcVmcGmwtje8v5TcefbB0WGzKjc/OzErtzHdeTfPt6N7VWM82fy7JtsS1eEm7+v78/0XnWR9uD2uf/nHotM0/HExmh5zIcnrvbzSNFPdK9u1f8zaAAAAAAAAAAAAAAAAAAAAgIeyeur0G3fb8fl+kp/eXqjHVa/5L/diqdiX/20vWTyZXO2nGK0kuf3Sb+U3h7a+az8dMEovoyQHP9w81y4p920w/URAkap8nJ3xT/wZAAD//8Wbezo=")
r0 = syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0)
ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x8000)

program crashed: WARNING: lock held when returning to user space in loop_set_block_size
validation run: crashed=true
testing program (duration=45.201221319s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
detailed listing:
executing program 0:
syz_read_part_table(0x635, &(0x7f0000000000)="$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")
r0 = syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0)
ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x8000)

program crashed: WARNING: lock held when returning to user space in loop_set_block_size
validation run: crashed=true
testing program (duration=45.201221319s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_read_part_table-syz_open_dev$loop-ioctl$LOOP_SET_BLOCK_SIZE
detailed listing:
executing program 0:
syz_read_part_table(0x635, &(0x7f0000000000)="$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")
r0 = syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0)
ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x8000)

program crashed: WARNING: lock held when returning to user space in loop_set_block_size
validation run: crashed=true
reproducing took 44m47.897752809s
repro crashed as (corrupted=false):
syz.0.17[5945]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
loop0: detected capacity change from 0 to 2048
 loop0: p1 < > p3
loop0: p3 size 134217728 extends beyond EOD, truncated
================================================
WARNING: lock held when returning to user space!
syzkaller #0 Not tainted
------------------------------------------------
syz.0.17/5945 is leaving the kernel with locks still held!
1 lock held by syz.0.17/5945:
 #0: ffff888140b49b60 (&lo->lo_mutex){+.+.}-{3:3}, at: loop_set_block_size+0x7c/0x480 drivers/block/loop.c:1490

final repro crashed as (corrupted=false):
syz.0.17[5945]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
loop0: detected capacity change from 0 to 2048
 loop0: p1 < > p3
loop0: p3 size 134217728 extends beyond EOD, truncated
================================================
WARNING: lock held when returning to user space!
syzkaller #0 Not tainted
------------------------------------------------
syz.0.17/5945 is leaving the kernel with locks still held!
1 lock held by syz.0.17/5945:
 #0: ffff888140b49b60 (&lo->lo_mutex){+.+.}-{3:3}, at: loop_set_block_size+0x7c/0x480 drivers/block/loop.c:1490