Extracting prog: 1m13.339946356s
Minimizing prog: 14m28.920945202s
Simplifying prog options: 0s
Extracting C: 21.637109072s
Simplifying C: 4m42.883754438s


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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
testing program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
getdents64(r1, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
lseek(0xffffffffffffffff, 0x7ff, 0x0)
getdents64(0xffffffffffffffff, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-mount-open-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$eJzs3c9vI1cdAPDvTOJNmqZNCpUKCOhSCgtarZ1426jqqVxAqKqEqDhxSEPijaLYcRQ7pQkrNfkfkKjEAcGJMwckDpV64ojgBre9LAekBVagDRIHo/GPbHZjJ2HXsVX785FGM2/eeL7vrTXveb9J/AIYW1cj4iAirkTEexEx1z6ftLd4q7Vl1z24f3v16P7t1SQajXf/kTTrs3Nx4jWZZ9v3nI6I738n4kfJ6bi1vf3NlXK5tNMuF+qV7UJtb//GRmVlvbRe2ioWlxaXFt64+Xqxb319ufKbe9/eePsHH//uS3f/dPDNn2TNmm3XnexHP7W6njuOk5mMiLcvI9gQTLT7c2XYDeGJpBHxmYh4pfn8z8VE8928mC6PNQDwKdBozEVj7mQZABh1aTMHlqT5di5gNtI0n2/l8F6MmbRcrdWv36rubq21cmXzkUtvbZRLC+1c4Xzkkqy8+GF2/LBcjEfLNyPihYj46dQzzXJ+9eJ5BgCgv559bP7/91Rr/gcARtz0eRcsD6YdAMDgnDv/AwAjx/wPAOPH/A8A48f8DwDjx/wPAOPmTmf+nxh2SwCAgfjeO+9kW+Oo/f3Xa+/v7W5W37+xVqpt5iu7q/nV6s52fr1aXS+X8qvVynn3K1er24uvxe4HhXqpVi/U9vaXK9Xdrfpy83u9l0u5gfQKADjLCy9/8pckIg7efKa5xYm1HMzVMNrSYTcAGBo5fxhfvoUbxpf/4wPnreXZ81eEP3qCYI0Pn+BFQL9d+7z8P4wr+X8YX/L/ML7k/2F8NRpJrzX/0+NLAICRIscPDPTn/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADAiZpvb/IlymubzEc9FxHzkklsb5dJCRDwfEX+eyk1l5cWhthgAeHrp35L2+l/X5l6dfbz2SvKfqeY+In7883d/9sFKvb6zmJ3/5/H5+kft88VhtB8AOE9nnu7M4x0P7t9e7WyDbM+9b7UWF83iHrW3Vs1kTGa7P05HLiJm/pW0ym3Z55WJPsQ/OIyIz3Xrf9LMjcy3Vz59PH4W+7mBxk8fiZ8261r77N/is6fuPNUz5nlrvcK4+CQbf97q9vylcbW5n+66+PF0c4R6ep3x7+jU+Nd53qebY0238e/qRWO89vvv9qw7jPjCZLf4yXH8pEf8Vy8Y/84Xv/xKr7rGLyOuRff4J2MV6pXtQm1v/8ZGZWW9tF7aKhaXFpcW3rj5erHQzFEXOpnq0/7+5vXne/b/1xEzPeJPn9P/r53Z68bxAPyr/773w6/0in8Y8Y2vdn//XzwjfjYnfv3M+A+tzPy25/LdWfy1Vv8P/9/3//oF49/96/7aBS8FAAagtre/uVIul3b6epCLPt/wxEFySW12MOIH2efxp73PS+2UWddr/vCLj1/KKofe074cDHlgAi7dw4d+2C0BAAAAAAAAAAAAAAB6ufQ/J0qH3UMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABG2f8CAAD//zwQyy8=")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r0 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r0, 0x7ff, 0x0)
getdents64(r0, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-mount-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$eJzs3c9vI1cdAPDvTOJNmqZNCpUKCOhSCgtarZ1426jqqVxAqKqEqDhxSEPijaLYcRQ7pQkrNfkfkKjEAcGJMwckDpV64ojgBre9LAekBVagDRIHo/GPbHZjJ2HXsVX785FGM2/eeL7vrTXveb9J/AIYW1cj4iAirkTEexEx1z6ftLd4q7Vl1z24f3v16P7t1SQajXf/kTTrs3Nx4jWZZ9v3nI6I738n4kfJ6bi1vf3NlXK5tNMuF+qV7UJtb//GRmVlvbRe2ioWlxaXFt64+Xqxb319ufKbe9/eePsHH//uS3f/dPDNn2TNmm3XnexHP7W6njuOk5mMiLcvI9gQTLT7c2XYDeGJpBHxmYh4pfn8z8VE8928mC6PNQDwKdBozEVj7mQZABh1aTMHlqT5di5gNtI0n2/l8F6MmbRcrdWv36rubq21cmXzkUtvbZRLC+1c4Xzkkqy8+GF2/LBcjEfLNyPihYj46dQzzXJ+9eJ5BgCgv559bP7/91Rr/gcARtz0eRcsD6YdAMDgnDv/AwAjx/wPAOPH/A8A48f8DwDjx/wPAOPmTmf+nxh2SwCAgfjeO+9kW+Oo/f3Xa+/v7W5W37+xVqpt5iu7q/nV6s52fr1aXS+X8qvVynn3K1er24uvxe4HhXqpVi/U9vaXK9Xdrfpy83u9l0u5gfQKADjLCy9/8pckIg7efKa5xYm1HMzVMNrSYTcAGBo5fxhfvoUbxpf/4wPnreXZ81eEP3qCYI0Pn+BFQL9d+7z8P4wr+X8YX/L/ML7k/2F8NRpJrzX/0+NLAICRIscPDPTn/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADAiZpvb/IlymubzEc9FxHzkklsb5dJCRDwfEX+eyk1l5cWhthgAeHrp35L2+l/X5l6dfbz2SvKfqeY+In7883d/9sFKvb6zmJ3/5/H5+kft88VhtB8AOE9nnu7M4x0P7t9e7WyDbM+9b7UWF83iHrW3Vs1kTGa7P05HLiJm/pW0ym3Z55WJPsQ/OIyIz3Xrf9LMjcy3Vz59PH4W+7mBxk8fiZ8261r77N/is6fuPNUz5nlrvcK4+CQbf97q9vylcbW5n+66+PF0c4R6ep3x7+jU+Nd53qebY0238e/qRWO89vvv9qw7jPjCZLf4yXH8pEf8Vy8Y/84Xv/xKr7rGLyOuRff4J2MV6pXtQm1v/8ZGZWW9tF7aKhaXFpcW3rj5erHQzFEXOpnq0/7+5vXne/b/1xEzPeJPn9P/r53Z68bxAPyr/773w6/0in8Y8Y2vdn//XzwjfjYnfv3M+A+tzPy25/LdWfy1Vv8P/9/3//oF49/96/7aBS8FAAagtre/uVIul3b6epCLPt/wxEFySW12MOIH2efxp73PS+2UWddr/vCLj1/KKofe074cDHlgAi7dw4d+2C0BAAAAAAAAAAAAAAB6ufQ/J0qH3UMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABG2f8CAAD//zwQyy8=")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, 0xffffffffffffffff, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r0 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r0, 0x7ff, 0x0)
getdents64(r0, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$eJzs3c9vI1cdAPDvTOJNmqZNCpUKCOhSCgtarZ1426jqqVxAqKqEqDhxSEPijaLYcRQ7pQkrNfkfkKjEAcGJMwckDpV64ojgBre9LAekBVagDRIHo/GPbHZjJ2HXsVX785FGM2/eeL7vrTXveb9J/AIYW1cj4iAirkTEexEx1z6ftLd4q7Vl1z24f3v16P7t1SQajXf/kTTrs3Nx4jWZZ9v3nI6I738n4kfJ6bi1vf3NlXK5tNMuF+qV7UJtb//GRmVlvbRe2ioWlxaXFt64+Xqxb319ufKbe9/eePsHH//uS3f/dPDNn2TNmm3XnexHP7W6njuOk5mMiLcvI9gQTLT7c2XYDeGJpBHxmYh4pfn8z8VE8928mC6PNQDwKdBozEVj7mQZABh1aTMHlqT5di5gNtI0n2/l8F6MmbRcrdWv36rubq21cmXzkUtvbZRLC+1c4Xzkkqy8+GF2/LBcjEfLNyPihYj46dQzzXJ+9eJ5BgCgv559bP7/91Rr/gcARtz0eRcsD6YdAMDgnDv/AwAjx/wPAOPH/A8A48f8DwDjx/wPAOPmTmf+nxh2SwCAgfjeO+9kW+Oo/f3Xa+/v7W5W37+xVqpt5iu7q/nV6s52fr1aXS+X8qvVynn3K1er24uvxe4HhXqpVi/U9vaXK9Xdrfpy83u9l0u5gfQKADjLCy9/8pckIg7efKa5xYm1HMzVMNrSYTcAGBo5fxhfvoUbxpf/4wPnreXZ81eEP3qCYI0Pn+BFQL9d+7z8P4wr+X8YX/L/ML7k/2F8NRpJrzX/0+NLAICRIscPDPTn/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADAiZpvb/IlymubzEc9FxHzkklsb5dJCRDwfEX+eyk1l5cWhthgAeHrp35L2+l/X5l6dfbz2SvKfqeY+In7883d/9sFKvb6zmJ3/5/H5+kft88VhtB8AOE9nnu7M4x0P7t9e7WyDbM+9b7UWF83iHrW3Vs1kTGa7P05HLiJm/pW0ym3Z55WJPsQ/OIyIz3Xrf9LMjcy3Vz59PH4W+7mBxk8fiZ8261r77N/is6fuPNUz5nlrvcK4+CQbf97q9vylcbW5n+66+PF0c4R6ep3x7+jU+Nd53qebY0238e/qRWO89vvv9qw7jPjCZLf4yXH8pEf8Vy8Y/84Xv/xKr7rGLyOuRff4J2MV6pXtQm1v/8ZGZWW9tF7aKhaXFpcW3rj5erHQzFEXOpnq0/7+5vXne/b/1xEzPeJPn9P/r53Z68bxAPyr/773w6/0in8Y8Y2vdn//XzwjfjYnfv3M+A+tzPy25/LdWfy1Vv8P/9/3//oF49/96/7aBS8FAAagtre/uVIul3b6epCLPt/wxEFySW12MOIH2efxp73PS+2UWddr/vCLj1/KKofe074cDHlgAi7dw4d+2C0BAAAAAAAAAAAAAAB6ufQ/J0qH3UMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABG2f8CAAD//zwQyy8=")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, 0x0, 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(0x0, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, 0x0, 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(0x0, 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(0x0)
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program did not crash
testing program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$eJzs3c9vI1cdAPDvTOJNmqZNCpUKCOhSCgtarZ1426jqqVxAqKqEqDhxSEPijaLYcRQ7pQkrNfkfkKjEAcGJMwckDpV64ojgBre9LAekBVagDRIHo/GPbHZjJ2HXsVX785FGM2/eeL7vrTXveb9J/AIYW1cj4iAirkTEexEx1z6ftLd4q7Vl1z24f3v16P7t1SQajXf/kTTrs3Nx4jWZZ9v3nI6I738n4kfJ6bi1vf3NlXK5tNMuF+qV7UJtb//GRmVlvbRe2ioWlxaXFt64+Xqxb319ufKbe9/eePsHH//uS3f/dPDNn2TNmm3XnexHP7W6njuOk5mMiLcvI9gQTLT7c2XYDeGJpBHxmYh4pfn8z8VE8928mC6PNQDwKdBozEVj7mQZABh1aTMHlqT5di5gNtI0n2/l8F6MmbRcrdWv36rubq21cmXzkUtvbZRLC+1c4Xzkkqy8+GF2/LBcjEfLNyPihYj46dQzzXJ+9eJ5BgCgv559bP7/91Rr/gcARtz0eRcsD6YdAMDgnDv/AwAjx/wPAOPH/A8A48f8DwDjx/wPAOPmTmf+nxh2SwCAgfjeO+9kW+Oo/f3Xa+/v7W5W37+xVqpt5iu7q/nV6s52fr1aXS+X8qvVynn3K1er24uvxe4HhXqpVi/U9vaXK9Xdrfpy83u9l0u5gfQKADjLCy9/8pckIg7efKa5xYm1HMzVMNrSYTcAGBo5fxhfvoUbxpf/4wPnreXZ81eEP3qCYI0Pn+BFQL9d+7z8P4wr+X8YX/L/ML7k/2F8NRpJrzX/0+NLAICRIscPDPTn/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADAiZpvb/IlymubzEc9FxHzkklsb5dJCRDwfEX+eyk1l5cWhthgAeHrp35L2+l/X5l6dfbz2SvKfqeY+In7883d/9sFKvb6zmJ3/5/H5+kft88VhtB8AOE9nnu7M4x0P7t9e7WyDbM+9b7UWF83iHrW3Vs1kTGa7P05HLiJm/pW0ym3Z55WJPsQ/OIyIz3Xrf9LMjcy3Vz59PH4W+7mBxk8fiZ8261r77N/is6fuPNUz5nlrvcK4+CQbf97q9vylcbW5n+66+PF0c4R6ep3x7+jU+Nd53qebY0238e/qRWO89vvv9qw7jPjCZLf4yXH8pEf8Vy8Y/84Xv/xKr7rGLyOuRff4J2MV6pXtQm1v/8ZGZWW9tF7aKhaXFpcW3rj5erHQzFEXOpnq0/7+5vXne/b/1xEzPeJPn9P/r53Z68bxAPyr/773w6/0in8Y8Y2vdn//XzwjfjYnfv3M+A+tzPy25/LdWfy1Vv8P/9/3//oF49/96/7aBS8FAAagtre/uVIul3b6epCLPt/wxEFySW12MOIH2efxp73PS+2UWddr/vCLj1/KKofe074cDHlgAi7dw4d+2C0BAAAAAAAAAAAAAAB6ufQ/J0qH3UMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABG2f8CAAD//zwQyy8=")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(0x0, 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
program crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
simplifying C reproducer
testing compiled C program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
program crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
testing compiled C program (duration=33.043976184s, {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: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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
program did not crash
testing compiled C program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
program crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
testing compiled C program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
program crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
testing compiled C program (duration=33.043976184s, {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$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
program did not crash
testing compiled C program (duration=33.043976184s, {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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
program crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
testing compiled C program (duration=33.043976184s, {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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
program crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
testing program (duration=33.043976184s, {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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
validation run: crashed=true
testing program (duration=33.043976184s, {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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$eJzs3c9vI1cdAPDvTOJNmqZNCpUKCOhSCgtarZ1426jqqVxAqKqEqDhxSEPijaLYcRQ7pQkrNfkfkKjEAcGJMwckDpV64ojgBre9LAekBVagDRIHo/GPbHZjJ2HXsVX785FGM2/eeL7vrTXveb9J/AIYW1cj4iAirkTEexEx1z6ftLd4q7Vl1z24f3v16P7t1SQajXf/kTTrs3Nx4jWZZ9v3nI6I738n4kfJ6bi1vf3NlXK5tNMuF+qV7UJtb//GRmVlvbRe2ioWlxaXFt64+Xqxb319ufKbe9/eePsHH//uS3f/dPDNn2TNmm3XnexHP7W6njuOk5mMiLcvI9gQTLT7c2XYDeGJpBHxmYh4pfn8z8VE8928mC6PNQDwKdBozEVj7mQZABh1aTMHlqT5di5gNtI0n2/l8F6MmbRcrdWv36rubq21cmXzkUtvbZRLC+1c4Xzkkqy8+GF2/LBcjEfLNyPihYj46dQzzXJ+9eJ5BgCgv559bP7/91Rr/gcARtz0eRcsD6YdAMDgnDv/AwAjx/wPAOPH/A8A48f8DwDjx/wPAOPmTmf+nxh2SwCAgfjeO+9kW+Oo/f3Xa+/v7W5W37+xVqpt5iu7q/nV6s52fr1aXS+X8qvVynn3K1er24uvxe4HhXqpVi/U9vaXK9Xdrfpy83u9l0u5gfQKADjLCy9/8pckIg7efKa5xYm1HMzVMNrSYTcAGBo5fxhfvoUbxpf/4wPnreXZ81eEP3qCYI0Pn+BFQL9d+7z8P4wr+X8YX/L/ML7k/2F8NRpJrzX/0+NLAICRIscPDPTn/wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADAiZpvb/IlymubzEc9FxHzkklsb5dJCRDwfEX+eyk1l5cWhthgAeHrp35L2+l/X5l6dfbz2SvKfqeY+In7883d/9sFKvb6zmJ3/5/H5+kft88VhtB8AOE9nnu7M4x0P7t9e7WyDbM+9b7UWF83iHrW3Vs1kTGa7P05HLiJm/pW0ym3Z55WJPsQ/OIyIz3Xrf9LMjcy3Vz59PH4W+7mBxk8fiZ8261r77N/is6fuPNUz5nlrvcK4+CQbf97q9vylcbW5n+66+PF0c4R6ep3x7+jU+Nd53qebY0238e/qRWO89vvv9qw7jPjCZLf4yXH8pEf8Vy8Y/84Xv/xKr7rGLyOuRff4J2MV6pXtQm1v/8ZGZWW9tF7aKhaXFpcW3rj5erHQzFEXOpnq0/7+5vXne/b/1xEzPeJPn9P/r53Z68bxAPyr/773w6/0in8Y8Y2vdn//XzwjfjYnfv3M+A+tzPy25/LdWfy1Vv8P/9/3//oF49/96/7aBS8FAAagtre/uVIul3b6epCLPt/wxEFySW12MOIH2efxp73PS+2UWddr/vCLj1/KKofe074cDHlgAi7dw4d+2C0BAAAAAAAAAAAAAAB6ufQ/J0qH3UMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABG2f8CAAD//zwQyy8=")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
validation run: crashed=true
testing program (duration=33.043976184s, {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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-mount-open-mmap-bpf$PROG_LOAD-chdir-open-lseek-getdents64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x40, &(0x7f0000000080)={[{@errors_remount}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}]}, 0x0, 0x4f7, &(0x7f0000000540)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000440)='./bus\x00', 0x141842, 0x0)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0)
r0 = open(&(0x7f0000000240)='./bus\x00', 0x187102, 0x1)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f0000000600)={0x11, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000085000000080000001801000020646c25000000000020"], 0x0, 0x0, 0x0, 0x0, 0x40f00, 0x34, '\x00', 0x0, @fallback=0x9, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94)
chdir(&(0x7f0000000240)='./file0\x00')
r1 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0)
lseek(r1, 0x7ff, 0x0)
getdents64(r1, 0x0, 0x0)

program crashed: KASAN: use-after-free Read in __ext4_check_dir_entry
validation run: crashed=true
reproducing took 22m35.437612183s
repro crashed as (corrupted=false):
EXT4-fs warning (device loop2): dx_probe:833: inode #2: comm syz.2.17: Unrecognised inode hash code 20
EXT4-fs warning (device loop2): dx_probe:966: inode #2: comm syz.2.17: Corrupt directory, running e2fsck is recommended
==================================================================
BUG: KASAN: use-after-free in __ext4_check_dir_entry+0x7c2/0x970 fs/ext4/dir.c:85
Read of size 2 at addr ffff888122cb0003 by task syz.2.17/375

CPU: 1 PID: 375 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x71/0x200 mm/kasan/report.c:316
 print_report+0x4a/0x60 mm/kasan/report.c:420
 kasan_report+0x122/0x150 mm/kasan/report.c:524
 __asan_report_load2_noabort+0x14/0x20 mm/kasan/report_generic.c:349
 __ext4_check_dir_entry+0x7c2/0x970 fs/ext4/dir.c:85
 ext4_readdir+0x1315/0x3e10 fs/ext4/dir.c:261
 iterate_dir+0x271/0x610 fs/readdir.c:-1
 __do_sys_getdents64 fs/readdir.c:369 [inline]
 __se_sys_getdents64+0xf2/0x250 fs/readdir.c:354
 __x64_sys_getdents64+0x7b/0x90 fs/readdir.c:354
 x64_sys_call+0x15c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:218
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f109679aeb9
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:00007ffeabe64878 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00007f1096a15fa0 RCX: 00007f109679aeb9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
RBP: 00007f1096808c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1096a15fac R14: 00007f1096a15fa0 R15: 00007f1096a15fa0
 </TASK>

Allocated by task 295:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_alloc_info+0x25/0x30 mm/kasan/generic.c:505
 ____kasan_kmalloc mm/kasan/common.c:380 [inline]
 __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
 kasan_kmalloc include/linux/kasan.h:212 [inline]
 __do_kmalloc_node mm/slab_common.c:938 [inline]
 __kmalloc_node_track_caller+0xb1/0x1e0 mm/slab_common.c:958
 kmalloc_reserve net/core/skbuff.c:449 [inline]
 __alloc_skb+0x236/0x4b0 net/core/skbuff.c:518
 alloc_skb include/linux/skbuff.h:1290 [inline]
 alloc_uevent_skb+0x85/0x240 lib/kobject_uevent.c:290
 uevent_net_broadcast_tagged lib/kobject_uevent.c:351 [inline]
 kobject_uevent_net_broadcast+0x1b4/0x5b0 lib/kobject_uevent.c:412
 kobject_uevent_env+0x54f/0x730 lib/kobject_uevent.c:608
 kobject_uevent+0x1d/0x30 lib/kobject_uevent.c:657
 rx_queue_add_kobject net/core/net-sysfs.c:1068 [inline]
 net_rx_queue_update_kobjects+0x249/0x4d0 net/core/net-sysfs.c:1108
 register_queue_kobjects net/core/net-sysfs.c:1768 [inline]
 netdev_register_kobject+0x26b/0x360 net/core/net-sysfs.c:2013
 register_netdevice+0xeb1/0x1530 net/core/dev.c:10168
 register_netdev+0x3e/0x50 net/core/dev.c:10294
 ip6gre_init_net+0x2b1/0x3b0 net/ipv6/ip6_gre.c:1655
 ops_init+0x1c8/0x4a0 net/core/net_namespace.c:138
 setup_net+0x4b4/0xcc0 net/core/net_namespace.c:335
 copy_net_ns+0x355/0x5c0 net/core/net_namespace.c:481
 create_new_namespaces+0x3a2/0x660 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0x120/0x170 kernel/nsproxy.c:226
 ksys_unshare+0x4ba/0x7c0 kernel/fork.c:3415
 __do_sys_unshare kernel/fork.c:3486 [inline]
 __se_sys_unshare kernel/fork.c:3484 [inline]
 __x64_sys_unshare+0x38/0x40 kernel/fork.c:3484
 x64_sys_call+0x767/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:273
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Freed by task 295:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_free_info+0x31/0x50 mm/kasan/generic.c:516
 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:242
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:250
 kasan_slab_free include/linux/kasan.h:178 [inline]
 slab_free_hook mm/slub.c:1750 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776
 slab_free mm/slub.c:3712 [inline]
 __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728
 kfree+0x6f/0xf0 mm/slab_common.c:990
 skb_free_head net/core/skbuff.c:765 [inline]
 skb_release_data+0x63f/0x890 net/core/skbuff.c:794
 skb_release_all net/core/skbuff.c:859 [inline]
 __kfree_skb net/core/skbuff.c:873 [inline]
 consume_skb+0xab/0x1f0 net/core/skbuff.c:1038
 netlink_broadcast+0x1084/0x1180 net/netlink/af_netlink.c:1522
 uevent_net_broadcast_tagged lib/kobject_uevent.c:372 [inline]
 kobject_uevent_net_broadcast+0x511/0x5b0 lib/kobject_uevent.c:412
 kobject_uevent_env+0x54f/0x730 lib/kobject_uevent.c:608
 kobject_uevent+0x1d/0x30 lib/kobject_uevent.c:657
 rx_queue_add_kobject net/core/net-sysfs.c:1068 [inline]
 net_rx_queue_update_kobjects+0x249/0x4d0 net/core/net-sysfs.c:1108
 register_queue_kobjects net/core/net-sysfs.c:1768 [inline]
 netdev_register_kobject+0x26b/0x360 net/core/net-sysfs.c:2013
 register_netdevice+0xeb1/0x1530 net/core/dev.c:10168
 register_netdev+0x3e/0x50 net/core/dev.c:10294
 ip6gre_init_net+0x2b1/0x3b0 net/ipv6/ip6_gre.c:1655
 ops_init+0x1c8/0x4a0 net/core/net_namespace.c:138
 setup_net+0x4b4/0xcc0 net/core/net_namespace.c:335
 copy_net_ns+0x355/0x5c0 net/core/net_namespace.c:481
 create_new_namespaces+0x3a2/0x660 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0x120/0x170 kernel/nsproxy.c:226
 ksys_unshare+0x4ba/0x7c0 kernel/fork.c:3415
 __do_sys_unshare kernel/fork.c:3486 [inline]
 __se_sys_unshare kernel/fork.c:3484 [inline]
 __x64_sys_unshare+0x38/0x40 kernel/fork.c:3484
 x64_sys_call+0x767/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:273
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff888122cb0000
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 3 bytes inside of
 1024-byte region [ffff888122cb0000, ffff888122cb0400)

The buggy address belongs to the physical page:
page:ffffea00048b2c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x122cb0
head:ffffea00048b2c00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043080
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 295, tgid 295 (syz-executor), ts 28614978480, free_ts 18629284130
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2643
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2650
 get_page_from_freelist+0x2d12/0x2d80 mm/page_alloc.c:4554
 __alloc_pages+0x1d9/0x480 mm/page_alloc.c:5868
 alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
 allocate_slab mm/slub.c:1967 [inline]
 new_slab+0x98/0x3d0 mm/slub.c:2020
 ___slab_alloc+0x6bd/0xb20 mm/slub.c:3177
 __slab_alloc+0x5e/0xa0 mm/slub.c:3263
 slab_alloc_node mm/slub.c:3348 [inline]
 __kmem_cache_alloc_node+0x203/0x2c0 mm/slub.c:3423
 __do_kmalloc_node mm/slab_common.c:937 [inline]
 __kmalloc+0xa1/0x1e0 mm/slab_common.c:951
 kmalloc include/linux/slab.h:568 [inline]
 kzalloc include/linux/slab.h:699 [inline]
 __register_sysctl_table+0xf4/0xe30 fs/proc/proc_sysctl.c:1345
 register_net_sysctl+0x24f/0x260 net/sysctl_net.c:169
 neigh_sysctl_register+0x9a0/0xa80 net/core/neighbour.c:3852
 devinet_sysctl_register+0xaf/0x1e0 net/ipv4/devinet.c:2649
 inetdev_init+0x2d1/0x510 net/ipv4/devinet.c:280
 inetdev_event+0x1f7/0x10e0 net/ipv4/devinet.c:1547
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1551 [inline]
 free_pcp_prepare mm/page_alloc.c:1625 [inline]
 free_unref_page_prepare+0x742/0x750 mm/page_alloc.c:3589
 free_unref_page+0x95/0x540 mm/page_alloc.c:3687
 __folio_put_small mm/swap.c:100 [inline]
 __folio_put+0xac/0xe0 mm/swap.c:123
 folio_put include/linux/mm.h:1442 [inline]
 put_page include/linux/mm.h:1494 [inline]
 anon_pipe_buf_release+0x183/0x200 fs/pipe.c:138
 pipe_buf_release include/linux/pipe_fs_i.h:199 [inline]
 pipe_read+0x55b/0x1030 fs/pipe.c:324
 call_read_iter include/linux/fs.h:2276 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x454/0x910 fs/read_write.c:470
 ksys_read+0x149/0x250 fs/read_write.c:613
 __do_sys_read fs/read_write.c:623 [inline]
 __se_sys_read fs/read_write.c:621 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:621
 x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Memory state around the buggy address:
 ffff888122caff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888122caff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888122cb0000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff888122cb0080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888122cb0100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
EXT4-fs error (device loop2): ext4_readdir:263: inode #2: block 3: comm syz.2.17: path /0/file0: bad entry in directory: rec_len % 4 != 0 - offset=2047, inode=3703095296, rec_len=33041, size=2048 fake=0
EXT4-fs (loop2): Remounting filesystem read-only

final repro crashed as (corrupted=false):
EXT4-fs warning (device loop2): dx_probe:833: inode #2: comm syz.2.17: Unrecognised inode hash code 20
EXT4-fs warning (device loop2): dx_probe:966: inode #2: comm syz.2.17: Corrupt directory, running e2fsck is recommended
==================================================================
BUG: KASAN: use-after-free in __ext4_check_dir_entry+0x7c2/0x970 fs/ext4/dir.c:85
Read of size 2 at addr ffff888122cb0003 by task syz.2.17/375

CPU: 1 PID: 375 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x71/0x200 mm/kasan/report.c:316
 print_report+0x4a/0x60 mm/kasan/report.c:420
 kasan_report+0x122/0x150 mm/kasan/report.c:524
 __asan_report_load2_noabort+0x14/0x20 mm/kasan/report_generic.c:349
 __ext4_check_dir_entry+0x7c2/0x970 fs/ext4/dir.c:85
 ext4_readdir+0x1315/0x3e10 fs/ext4/dir.c:261
 iterate_dir+0x271/0x610 fs/readdir.c:-1
 __do_sys_getdents64 fs/readdir.c:369 [inline]
 __se_sys_getdents64+0xf2/0x250 fs/readdir.c:354
 __x64_sys_getdents64+0x7b/0x90 fs/readdir.c:354
 x64_sys_call+0x15c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:218
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f109679aeb9
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:00007ffeabe64878 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00007f1096a15fa0 RCX: 00007f109679aeb9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
RBP: 00007f1096808c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1096a15fac R14: 00007f1096a15fa0 R15: 00007f1096a15fa0
 </TASK>

Allocated by task 295:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_alloc_info+0x25/0x30 mm/kasan/generic.c:505
 ____kasan_kmalloc mm/kasan/common.c:380 [inline]
 __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
 kasan_kmalloc include/linux/kasan.h:212 [inline]
 __do_kmalloc_node mm/slab_common.c:938 [inline]
 __kmalloc_node_track_caller+0xb1/0x1e0 mm/slab_common.c:958
 kmalloc_reserve net/core/skbuff.c:449 [inline]
 __alloc_skb+0x236/0x4b0 net/core/skbuff.c:518
 alloc_skb include/linux/skbuff.h:1290 [inline]
 alloc_uevent_skb+0x85/0x240 lib/kobject_uevent.c:290
 uevent_net_broadcast_tagged lib/kobject_uevent.c:351 [inline]
 kobject_uevent_net_broadcast+0x1b4/0x5b0 lib/kobject_uevent.c:412
 kobject_uevent_env+0x54f/0x730 lib/kobject_uevent.c:608
 kobject_uevent+0x1d/0x30 lib/kobject_uevent.c:657
 rx_queue_add_kobject net/core/net-sysfs.c:1068 [inline]
 net_rx_queue_update_kobjects+0x249/0x4d0 net/core/net-sysfs.c:1108
 register_queue_kobjects net/core/net-sysfs.c:1768 [inline]
 netdev_register_kobject+0x26b/0x360 net/core/net-sysfs.c:2013
 register_netdevice+0xeb1/0x1530 net/core/dev.c:10168
 register_netdev+0x3e/0x50 net/core/dev.c:10294
 ip6gre_init_net+0x2b1/0x3b0 net/ipv6/ip6_gre.c:1655
 ops_init+0x1c8/0x4a0 net/core/net_namespace.c:138
 setup_net+0x4b4/0xcc0 net/core/net_namespace.c:335
 copy_net_ns+0x355/0x5c0 net/core/net_namespace.c:481
 create_new_namespaces+0x3a2/0x660 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0x120/0x170 kernel/nsproxy.c:226
 ksys_unshare+0x4ba/0x7c0 kernel/fork.c:3415
 __do_sys_unshare kernel/fork.c:3486 [inline]
 __se_sys_unshare kernel/fork.c:3484 [inline]
 __x64_sys_unshare+0x38/0x40 kernel/fork.c:3484
 x64_sys_call+0x767/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:273
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Freed by task 295:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 kasan_save_free_info+0x31/0x50 mm/kasan/generic.c:516
 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:242
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:250
 kasan_slab_free include/linux/kasan.h:178 [inline]
 slab_free_hook mm/slub.c:1750 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776
 slab_free mm/slub.c:3712 [inline]
 __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728
 kfree+0x6f/0xf0 mm/slab_common.c:990
 skb_free_head net/core/skbuff.c:765 [inline]
 skb_release_data+0x63f/0x890 net/core/skbuff.c:794
 skb_release_all net/core/skbuff.c:859 [inline]
 __kfree_skb net/core/skbuff.c:873 [inline]
 consume_skb+0xab/0x1f0 net/core/skbuff.c:1038
 netlink_broadcast+0x1084/0x1180 net/netlink/af_netlink.c:1522
 uevent_net_broadcast_tagged lib/kobject_uevent.c:372 [inline]
 kobject_uevent_net_broadcast+0x511/0x5b0 lib/kobject_uevent.c:412
 kobject_uevent_env+0x54f/0x730 lib/kobject_uevent.c:608
 kobject_uevent+0x1d/0x30 lib/kobject_uevent.c:657
 rx_queue_add_kobject net/core/net-sysfs.c:1068 [inline]
 net_rx_queue_update_kobjects+0x249/0x4d0 net/core/net-sysfs.c:1108
 register_queue_kobjects net/core/net-sysfs.c:1768 [inline]
 netdev_register_kobject+0x26b/0x360 net/core/net-sysfs.c:2013
 register_netdevice+0xeb1/0x1530 net/core/dev.c:10168
 register_netdev+0x3e/0x50 net/core/dev.c:10294
 ip6gre_init_net+0x2b1/0x3b0 net/ipv6/ip6_gre.c:1655
 ops_init+0x1c8/0x4a0 net/core/net_namespace.c:138
 setup_net+0x4b4/0xcc0 net/core/net_namespace.c:335
 copy_net_ns+0x355/0x5c0 net/core/net_namespace.c:481
 create_new_namespaces+0x3a2/0x660 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0x120/0x170 kernel/nsproxy.c:226
 ksys_unshare+0x4ba/0x7c0 kernel/fork.c:3415
 __do_sys_unshare kernel/fork.c:3486 [inline]
 __se_sys_unshare kernel/fork.c:3484 [inline]
 __x64_sys_unshare+0x38/0x40 kernel/fork.c:3484
 x64_sys_call+0x767/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:273
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

The buggy address belongs to the object at ffff888122cb0000
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 3 bytes inside of
 1024-byte region [ffff888122cb0000, ffff888122cb0400)

The buggy address belongs to the physical page:
page:ffffea00048b2c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x122cb0
head:ffffea00048b2c00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043080
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 295, tgid 295 (syz-executor), ts 28614978480, free_ts 18629284130
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2643
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2650
 get_page_from_freelist+0x2d12/0x2d80 mm/page_alloc.c:4554
 __alloc_pages+0x1d9/0x480 mm/page_alloc.c:5868
 alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
 allocate_slab mm/slub.c:1967 [inline]
 new_slab+0x98/0x3d0 mm/slub.c:2020
 ___slab_alloc+0x6bd/0xb20 mm/slub.c:3177
 __slab_alloc+0x5e/0xa0 mm/slub.c:3263
 slab_alloc_node mm/slub.c:3348 [inline]
 __kmem_cache_alloc_node+0x203/0x2c0 mm/slub.c:3423
 __do_kmalloc_node mm/slab_common.c:937 [inline]
 __kmalloc+0xa1/0x1e0 mm/slab_common.c:951
 kmalloc include/linux/slab.h:568 [inline]
 kzalloc include/linux/slab.h:699 [inline]
 __register_sysctl_table+0xf4/0xe30 fs/proc/proc_sysctl.c:1345
 register_net_sysctl+0x24f/0x260 net/sysctl_net.c:169
 neigh_sysctl_register+0x9a0/0xa80 net/core/neighbour.c:3852
 devinet_sysctl_register+0xaf/0x1e0 net/ipv4/devinet.c:2649
 inetdev_init+0x2d1/0x510 net/ipv4/devinet.c:280
 inetdev_event+0x1f7/0x10e0 net/ipv4/devinet.c:1547
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1551 [inline]
 free_pcp_prepare mm/page_alloc.c:1625 [inline]
 free_unref_page_prepare+0x742/0x750 mm/page_alloc.c:3589
 free_unref_page+0x95/0x540 mm/page_alloc.c:3687
 __folio_put_small mm/swap.c:100 [inline]
 __folio_put+0xac/0xe0 mm/swap.c:123
 folio_put include/linux/mm.h:1442 [inline]
 put_page include/linux/mm.h:1494 [inline]
 anon_pipe_buf_release+0x183/0x200 fs/pipe.c:138
 pipe_buf_release include/linux/pipe_fs_i.h:199 [inline]
 pipe_read+0x55b/0x1030 fs/pipe.c:324
 call_read_iter include/linux/fs.h:2276 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x454/0x910 fs/read_write.c:470
 ksys_read+0x149/0x250 fs/read_write.c:613
 __do_sys_read fs/read_write.c:623 [inline]
 __se_sys_read fs/read_write.c:621 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:621
 x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Memory state around the buggy address:
 ffff888122caff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888122caff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888122cb0000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff888122cb0080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888122cb0100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
EXT4-fs error (device loop2): ext4_readdir:263: inode #2: block 3: comm syz.2.17: path /0/file0: bad entry in directory: rec_len % 4 != 0 - offset=2047, inode=3703095296, rec_len=33041, size=2048 fake=0
EXT4-fs (loop2): Remounting filesystem read-only