Extracting prog: 2m52.967541131s
Minimizing prog: 13m7.926371828s
Simplifying prog options: 0s
Extracting C: 31.143363029s
Simplifying C: 6m34.678117239s


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:6 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_mount_image$minix-syz_mount_image$exfat-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$minix(&(0x7f0000000000), &(0x7f00000066c0)='./file1\x00', 0x10000, &(0x7f0000006800)=ANY=[], 0x2, 0x21e, &(0x7f0000000740)="$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")
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x804800, 0x0, 0x0, 0x0, &(0x7f0000000080))
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x10000, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './bus'}}], [], 0x2c})

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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_mount_image$minix-syz_mount_image$exfat-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$minix(&(0x7f0000000000), &(0x7f00000066c0)='./file1\x00', 0x10000, &(0x7f0000006800)=ANY=[], 0x2, 0x21e, &(0x7f0000000740)="$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")
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x804800, 0x0, 0x0, 0x0, &(0x7f0000000080))
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x10000, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './bus'}}], [], 0x2c})

program crashed: UBSAN: shift-out-of-bounds in minix_statfs
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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_mount_image$minix-syz_mount_image$exfat
detailed listing:
executing program 0:
syz_mount_image$minix(&(0x7f0000000000), &(0x7f00000066c0)='./file1\x00', 0x10000, &(0x7f0000006800)=ANY=[], 0x2, 0x21e, &(0x7f0000000740)="$eJzs209u00AUx/Ff4sRuy/9/G1ZILGBDAmkk6I4egAuwi1JTVXUBUTaNKgEb7sEx2HEBzsAFWoleAKNxJm1tbI8blTppvh+p1XQ6zzNR+8bzolgAFtbN5HtDDbUlT4rj+NMDSa9fSWrlhpjBhn+hCwVw7mKTy3ExP797qTwKwHzwfuf3B4UJ/n3SaLILAPPscN1LzgE/GtKvo7Y9FewP2xXPD4frzaRuSBztDw/sly8tVYr/Mi4m7rekg1PxgdIXaHwuOL98G8c/kon3j6+xnD88U9EEx/OvKD3/imvhtgry1Ex+fPwwHX9F0lVJ1yRdl3TD1lq3JN3Oef0bmfnvueYHzoH57+ukevLStrjUT+I79h2BPEH5/CZ73mxF4VP3Um2mpbVt/LMK8Xl8G98r+L1rH5jEr045f2DjO8N30UbhqJdTXh0o1/wn/8/G5v/YT+dd85STPaUs/7M7T3ajaTnzP/9NTOfGBCyA3b3R9iCKwg8lDS/TYw6yo+1BMwrNKdsZvmAN2UplVtZTW2NykDQ9ZhN2R32tc82yd5dpw//E8Vmilmflz1TUqHFTAnAhuh933nd390ZPtnYGm+Fm+LbXX3vRX+31n691k3N5t2p1DmDenNz0q40vqqYBAAAAAAAAAAAAAEB97ki6W2Fc1ecBAQAAAMyuyed/vf/4JF/drxEAAAAAAAAAAAAAAAAAAAC4LP4GAAD//xsEK3I=")
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x804800, 0x0, 0x0, 0x0, &(0x7f0000000080))

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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_mount_image$minix-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$minix(&(0x7f0000000000), &(0x7f00000066c0)='./file1\x00', 0x10000, &(0x7f0000006800)=ANY=[], 0x2, 0x21e, &(0x7f0000000740)="$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")
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x10000, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './bus'}}], [], 0x2c})

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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_mount_image$exfat-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x804800, 0x0, 0x0, 0x0, &(0x7f0000000080))
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x10000, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './bus'}}], [], 0x2c})

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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_mount_image$minix-syz_mount_image$exfat-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$minix(&(0x7f0000000000), &(0x7f00000066c0)='./file1\x00', 0x10000, &(0x7f0000006800)=ANY=[], 0x2, 0x21e, &(0x7f0000000740)="$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")
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x804800, 0x0, 0x0, 0x0, &(0x7f0000000080))
mount$overlay(0x0, 0x0, &(0x7f0000000000), 0x10000, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './bus'}}], [], 0x2c})

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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_mount_image$minix-syz_mount_image$exfat-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$minix(&(0x7f0000000000), &(0x7f00000066c0)='./file1\x00', 0x10000, &(0x7f0000006800)=ANY=[], 0x2, 0x21e, &(0x7f0000000740)="$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")
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x804800, 0x0, 0x0, 0x0, &(0x7f0000000080))
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x10000, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './bus'}}], [], 0x2c})

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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_mount_image$minix-syz_mount_image$exfat-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$minix(&(0x7f0000000000), &(0x7f00000066c0)='./file1\x00', 0x10000, &(0x7f0000006800)=ANY=[], 0x2, 0x21e, &(0x7f0000000740)="$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")
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x804800, 0x0, 0x0, 0x0, &(0x7f0000000080))
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x10000, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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_mount_image$minix-syz_mount_image$exfat-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$minix(&(0x7f0000000000), &(0x7f00000066c0)='./file1\x00', 0x10000, &(0x7f0000006800)=ANY=[], 0x2, 0x21e, &(0x7f0000000740)="$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")
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x804800, 0x0, 0x0, 0x0, &(0x7f0000000080))
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x10000, &(0x7f00000002c0)={[], [], 0x2c})

program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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_mount_image$minix-syz_mount_image$exfat-mount$overlay
program crashed: UBSAN: shift-out-of-bounds in minix_statfs
simplifying C reproducer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$minix-syz_mount_image$exfat-mount$overlay
program crashed: UBSAN: shift-out-of-bounds in minix_statfs
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$minix-syz_mount_image$exfat-mount$overlay
program crashed: UBSAN: shift-out-of-bounds in minix_statfs
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$minix-syz_mount_image$exfat-mount$overlay
program crashed: UBSAN: shift-out-of-bounds in minix_statfs
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$minix-syz_mount_image$exfat-mount$overlay
program crashed: UBSAN: shift-out-of-bounds in minix_statfs
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$minix-syz_mount_image$exfat-mount$overlay
program crashed: UBSAN: shift-out-of-bounds in minix_statfs
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$minix-syz_mount_image$exfat-mount$overlay
program did not crash
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$minix-syz_mount_image$exfat-mount$overlay
program crashed: UBSAN: shift-out-of-bounds in minix_statfs
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$minix-syz_mount_image$exfat-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$minix(&(0x7f0000000000), &(0x7f00000066c0)='./file1\x00', 0x10000, &(0x7f0000006800)=ANY=[], 0x2, 0x21e, &(0x7f0000000740)="$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")
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x804800, 0x0, 0x0, 0x0, &(0x7f0000000080))
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x10000, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './bus'}}], [], 0x2c})

program crashed: UBSAN: shift-out-of-bounds in minix_statfs
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$minix-syz_mount_image$exfat-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$minix(&(0x7f0000000000), &(0x7f00000066c0)='./file1\x00', 0x10000, &(0x7f0000006800)=ANY=[], 0x2, 0x21e, &(0x7f0000000740)="$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")
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x804800, 0x0, 0x0, 0x0, &(0x7f0000000080))
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x10000, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './bus'}}], [], 0x2c})

program crashed: UBSAN: shift-out-of-bounds in minix_statfs
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$minix-syz_mount_image$exfat-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$minix(&(0x7f0000000000), &(0x7f00000066c0)='./file1\x00', 0x10000, &(0x7f0000006800)=ANY=[], 0x2, 0x21e, &(0x7f0000000740)="$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")
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x804800, 0x0, 0x0, 0x0, &(0x7f0000000080))
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x10000, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './bus'}}], [], 0x2c})

program crashed: UBSAN: shift-out-of-bounds in minix_statfs
validation run: crashed=true
reproducing took 26m37.574186786s
repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 64
------------[ cut here ]------------
UBSAN: shift-out-of-bounds in fs/minix/inode.c:399:57
shift exponent 768 is too large for 64-bit type 'unsigned long'
CPU: 0 UID: 0 PID: 5455 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 ubsan_epilogue+0xa/0x40 lib/ubsan.c:233
 __ubsan_handle_shift_out_of_bounds+0x386/0x410 lib/ubsan.c:494
 minix_statfs+0x31c/0x340 fs/minix/inode.c:399
 statfs_by_dentry fs/statfs.c:66 [inline]
 vfs_statfs+0x147/0x2d0 fs/statfs.c:90
 ovl_check_namelen fs/overlayfs/super.c:397 [inline]
 ovl_get_upper fs/overlayfs/super.c:515 [inline]
 ovl_fill_super+0x7b9/0x3da0 fs/overlayfs/super.c:1454
 vfs_get_super fs/super.c:1331 [inline]
 get_tree_nodev+0xbb/0x150 fs/super.c:1350
 vfs_get_tree+0x92/0x2b0 fs/super.c:1758
 fc_mount fs/namespace.c:1199 [inline]
 do_new_mount_fc fs/namespace.c:3642 [inline]
 do_new_mount+0x302/0xa10 fs/namespace.c:3718
 do_mount fs/namespace.c:4041 [inline]
 __do_sys_mount fs/namespace.c:4229 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4206
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0098b8f6c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe2cc42ba8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f0098de5fa0 RCX: 00007f0098b8f6c9
RDX: 0000200000000000 RSI: 0000200000000080 RDI: 0000000000000000
RBP: 00007f0098c11f91 R08: 00002000000002c0 R09: 0000000000000000
R10: 0000000000010000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0098de5fa0 R14: 00007f0098de5fa0 R15: 0000000000000005
 </TASK>
---[ end trace ]---

final repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 64
------------[ cut here ]------------
UBSAN: shift-out-of-bounds in fs/minix/inode.c:399:57
shift exponent 768 is too large for 64-bit type 'unsigned long'
CPU: 0 UID: 0 PID: 5455 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 ubsan_epilogue+0xa/0x40 lib/ubsan.c:233
 __ubsan_handle_shift_out_of_bounds+0x386/0x410 lib/ubsan.c:494
 minix_statfs+0x31c/0x340 fs/minix/inode.c:399
 statfs_by_dentry fs/statfs.c:66 [inline]
 vfs_statfs+0x147/0x2d0 fs/statfs.c:90
 ovl_check_namelen fs/overlayfs/super.c:397 [inline]
 ovl_get_upper fs/overlayfs/super.c:515 [inline]
 ovl_fill_super+0x7b9/0x3da0 fs/overlayfs/super.c:1454
 vfs_get_super fs/super.c:1331 [inline]
 get_tree_nodev+0xbb/0x150 fs/super.c:1350
 vfs_get_tree+0x92/0x2b0 fs/super.c:1758
 fc_mount fs/namespace.c:1199 [inline]
 do_new_mount_fc fs/namespace.c:3642 [inline]
 do_new_mount+0x302/0xa10 fs/namespace.c:3718
 do_mount fs/namespace.c:4041 [inline]
 __do_sys_mount fs/namespace.c:4229 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4206
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0098b8f6c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe2cc42ba8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f0098de5fa0 RCX: 00007f0098b8f6c9
RDX: 0000200000000000 RSI: 0000200000000080 RDI: 0000000000000000
RBP: 00007f0098c11f91 R08: 00002000000002c0 R09: 0000000000000000
R10: 0000000000010000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0098de5fa0 R14: 00007f0098de5fa0 R15: 0000000000000005
 </TASK>
---[ end trace ]---