Extracting prog: 3m1.239479892s
Minimizing prog: 9m56.321218293s
Simplifying prog options: 5m9.140887335s
Extracting C: 1m44.290575357s
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: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: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_mount_image$vfat-openat$dir-mmap-madvise-truncate
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)
truncate(&(0x7f0000000940)='./file1\x00', 0x8daa)

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: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: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_mount_image$vfat-openat$dir-mmap-madvise-truncate
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$eJzs3T9rc2UUAPBzkzSNOqSIiyJ4QQen0rq6NEoFsZMSQR002BYkCYUWAlYwduoncPR7+BFcXPwGgqvg1g6VKzf33ia16R/65k3h7e83nd7nnvOc3KckU06+eXPY3z1I4uTsz2i1kqhtxVacJ7EWtaj8FI0AAF4c51kW/2QPyWzUFt8NALAMxed/4bF7AQCW47Mvvvyks7Oz/WmatuL19umom0TE8HTULdY7+/FdDGIvNqIdFxHZpSL+6OOd7WikubV4ZzgedfPM4de/l/U7f0dM8jejHWvz8zfTwmX+y1V3aXT2V6o/2vHa/Pz3/p8fw3F0m/Hu2zP9r0c7/vg2DmIQu5HnTvN/3EzTD7Ofz374Kt8mz09q0V2d3DeV1Zd0JAAAAAAAAAAAAAAAAAAAAAAAPAHraZoU43sm83vyS5P5OaNu/WKyvp5WZuf7jKv5QElVqJgPlEU5omecxS/VfJ2NNE2z8sZpfiPeaPhhAQAAAAAAAAAAAAAAAAAAAMgdfX/c7w0Ge4cLCappANXX+h9aZ2vmyltx3O/Vby64ev+9ZqcN5L3eenM0GrGgx3JX8FLez8Irr04P9/MogupgFrrXqx8URY/7vbRcqh5yv5fctVerOrhfZ5ea8ayNZZN/iYvs6pm2Llu9mtVc0NNovjJ36d8sy+5X5/2/ijMqrySTERv3232lDOa+wDxoXT+L324ueONbRn0hbzwAAAAAAAAAAAAAAAAAAMA10y/9zlk8uTW19tyaAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIAlm/7+fxW0IuLqlWvBuEy+7Z4yaMbh0SO/RAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJ6A/wIAAP//4ipOSw==")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)
truncate(&(0x7f0000000940)='./file1\x00', 0x8daa)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
testing program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)

program did not crash
testing program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program did not crash
testing program (duration=1m40s, {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: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_mount_image$vfat-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program did not crash
testing program (duration=1m40s, {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: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}}): openat$dir-mmap-madvise
detailed listing:
executing program 0:
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program did not crash
testing program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$eJzs3T9rc2UUAPBzkzSNOqSIiyJ4QQen0rq6NEoFsZMSQR002BYkCYUWAlYwduoncPR7+BFcXPwGgqvg1g6VKzf33ia16R/65k3h7e83nd7nnvOc3KckU06+eXPY3z1I4uTsz2i1kqhtxVacJ7EWtaj8FI0AAF4c51kW/2QPyWzUFt8NALAMxed/4bF7AQCW47Mvvvyks7Oz/WmatuL19umom0TE8HTULdY7+/FdDGIvNqIdFxHZpSL+6OOd7WikubV4ZzgedfPM4de/l/U7f0dM8jejHWvz8zfTwmX+y1V3aXT2V6o/2vHa/Pz3/p8fw3F0m/Hu2zP9r0c7/vg2DmIQu5HnTvN/3EzTD7Ofz374Kt8mz09q0V2d3DeV1Zd0JAAAAAAAAAAAAAAAAAAAAAAAPAHraZoU43sm83vyS5P5OaNu/WKyvp5WZuf7jKv5QElVqJgPlEU5omecxS/VfJ2NNE2z8sZpfiPeaPhhAQAAAAAAAAAAAAAAAAAAAMgdfX/c7w0Ge4cLCappANXX+h9aZ2vmyltx3O/Vby64ev+9ZqcN5L3eenM0GrGgx3JX8FLez8Irr04P9/MogupgFrrXqx8URY/7vbRcqh5yv5fctVerOrhfZ5ea8ayNZZN/iYvs6pm2Llu9mtVc0NNovjJ36d8sy+5X5/2/ijMqrySTERv3232lDOa+wDxoXT+L324ueONbRn0hbzwAAAAAAAAAAAAAAAAAAMA10y/9zlk8uTW19tyaAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIAlm/7+fxW0IuLqlWvBuEy+7Z4yaMbh0SO/RAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJ6A/wIAAP//4ipOSw==")
r0 = openat$dir(0xffffffffffffff9c, 0x0, 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap-madvise
program did not crash
simplifying guilty program options
testing program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
extracting C reproducer
testing compiled C program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap-madvise
program did not crash
testing 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: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_mount_image$vfat-openat$dir-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program did not crash
testing program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program did not crash
validation run: crashed=false
testing program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program did not crash
validation run: crashed=false
testing program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program did not crash
validation run: crashed=false
testing program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program did not crash
validation run: crashed=false
testing program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program did not crash
validation run: crashed=false
testing program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program did not crash
validation run: crashed=false
testing program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program did not crash
validation run: crashed=false
testing program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
validation run: crashed=true
testing program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program did not crash
validation run: crashed=false
testing program (duration=1m40s, {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: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_mount_image$vfat-openat$dir-mmap-madvise
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000140), &(0x7f0000000040)='./file0\x00', 0x802, &(0x7f0000000480)=ANY=[], 0x1, 0x2a4, &(0x7f00000001c0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x2000, 0x1e1)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x6, 0x12, r0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x19)

program crashed: KASAN: null-ptr-deref Write in do_page_cache_ra
validation run: crashed=true
reproducing took 37m8.373304024s
repro crashed as (corrupted=false):
I/O error, dev loop4, sector 24 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_write include/linux/instrumented.h:87 [inline]
BUG: KASAN: null-ptr-deref in set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline]
BUG: KASAN: null-ptr-deref in do_page_cache_ra+0x18f/0x230 mm/readahead.c:324
Write of size 8 at addr 0000000000000000 by task udevd/502

CPU: 0 PID: 502 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
  131.846051][  T502]

final repro crashed as (corrupted=false):
I/O error, dev loop4, sector 24 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_write include/linux/instrumented.h:87 [inline]
BUG: KASAN: null-ptr-deref in set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline]
BUG: KASAN: null-ptr-deref in do_page_cache_ra+0x18f/0x230 mm/readahead.c:324
Write of size 8 at addr 0000000000000000 by task udevd/502

CPU: 0 PID: 502 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
  131.846051][  T502]