Extracting prog: 1m23.461568482s
Minimizing prog: 9m31.518492539s
Simplifying prog options: 0s
Extracting C: 1m39.881868569s
Simplifying C: 4m19.626810688s
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$eJzs289rHFUcAPDvzCat/WViqT+aVo1WMfgjadJae/CiKHhQEPRQjzFJS+y2kSaCLUGjSD1Kwbt4FPwLPOlF1JPgVe9SKJJLq6eV2Z1Jdje7aZJustX9fGCS92be8t53Z97ue/N2AuhZw9mfJGJ/RPweEQO1bGOB4dq/W8uLU38vL04lUam89VdSLXdzeXGqKFq8bl+R6YtIP0viSIt65y9fOT9ZLs9cyvNjCxfeH5u/fOW52QuT52bOzVycOH365InxF05NPN+ROLO4bg59NHf08GvvXHtj6sy1d3/+Ninib4qjQ4bXO/hkpdLh6rrrQF066etiQ9iUUq2bRn+1/w9EKVZP3kC8+mlXGwdsq0qlUnmg/eGlCvA/lkS3WwB0R/FFn81/i22Hhh53hRsv1SZAWdy38q12pC/SvEx/0/y2k4Yj4szSP19lW2zPfQgAgAbfZ+OfZ1uN/9Kovy90b76GMhgR90XEwYg4FRGHIuL+iGrZByPioU3W37xIsnb8k17fUmAblI3/XszXthrHf8XoLwZLee5ANf7+5OxseeZ4/p6MRP/uLD++Th0/vPLbF+2O1Y//si2rvxgL5u243re78TXTkwuTdxJzvRufRAz1tYo/WVkJSCLicEQMbbGO2ae/Odru2O3jX0cH1pkqX0c8VTv/S9EUfyFZf31y7J4ozxwfK66KtX759eqb7eq/o/g7IDv/e1te/yvxDyb167Xzm6/j6h+ft53TbPX635W83bDvw8mFhUvjEbuS12uNrt8/0VRuYrV8Fv/Isdb9/2CsvhNHIiK7iB+OiEci4tG87Y9FxOMRcWyd+H96+Yn3th7/9srin97U+V9N7IrmPa0TpfM/ftdQ6eBm4s/O/8lqaiTfs5HPv420a2tXMwAAAPz3pBGxP5J0dCWdpqOjtd/wH4q9aXlufuGZs3MfXJyuPSMwGP1pcadroO5+6Hg+rS/yE035E/l94y9Le6r50am58nS3g4cet69N/8/8Wep264Bt53kt6F36P/Qu/R96l/4PvatF/9/TjXYAO6/V9//HXWgHsPOa+r9lP+gh5v/Qu/R/6F36P/Sk+T1x+4fkJSTWJCK9K5ohsU2Jbn8yAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAdMa/AQAA//9QOObV")
lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0)
creat(&(0x7f0000000140)='./file2\x00', 0x1ad)
unlink(&(0x7f0000000180)='./file1\x00')
program crashed: KASAN: out-of-bounds Read in ext4_xattr_set_entry
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=33.811275718s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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")
lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0)
creat(&(0x7f0000000140)='./file2\x00', 0x1ad)
program did not crash
testing program (duration=33.811275718s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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")
lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0)
unlink(&(0x7f0000000180)='./file1\x00')
program did not crash
testing program (duration=33.811275718s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-creat-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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")
creat(&(0x7f0000000140)='./file2\x00', 0x1ad)
unlink(&(0x7f0000000180)='./file1\x00')
program did not crash
testing program (duration=33.811275718s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): lsetxattr$trusted_overlay_upper-creat-unlink
detailed listing:
executing program 0:
lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0)
creat(&(0x7f0000000140)='./file2\x00', 0x1ad)
unlink(&(0x7f0000000180)='./file1\x00')
program did not crash
testing program (duration=33.811275718s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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")
lsetxattr$trusted_overlay_upper(0x0, &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0)
creat(&(0x7f0000000140)='./file2\x00', 0x1ad)
unlink(&(0x7f0000000180)='./file1\x00')
program did not crash
testing program (duration=33.811275718s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$eJzs289rHFUcAPDvzCat/WViqT+aVo1WMfgjadJae/CiKHhQEPRQjzFJS+y2kSaCLUGjSD1Kwbt4FPwLPOlF1JPgVe9SKJJLq6eV2Z1Jdje7aZJustX9fGCS92be8t53Z97ue/N2AuhZw9mfJGJ/RPweEQO1bGOB4dq/W8uLU38vL04lUam89VdSLXdzeXGqKFq8bl+R6YtIP0viSIt65y9fOT9ZLs9cyvNjCxfeH5u/fOW52QuT52bOzVycOH365InxF05NPN+ROLO4bg59NHf08GvvXHtj6sy1d3/+Ninib4qjQ4bXO/hkpdLh6rrrQF066etiQ9iUUq2bRn+1/w9EKVZP3kC8+mlXGwdsq0qlUnmg/eGlCvA/lkS3WwB0R/FFn81/i22Hhh53hRsv1SZAWdy38q12pC/SvEx/0/y2k4Yj4szSP19lW2zPfQgAgAbfZ+OfZ1uN/9Kovy90b76GMhgR90XEwYg4FRGHIuL+iGrZByPioU3W37xIsnb8k17fUmAblI3/XszXthrHf8XoLwZLee5ANf7+5OxseeZ4/p6MRP/uLD++Th0/vPLbF+2O1Y//si2rvxgL5u243re78TXTkwuTdxJzvRufRAz1tYo/WVkJSCLicEQMbbGO2ae/Odru2O3jX0cH1pkqX0c8VTv/S9EUfyFZf31y7J4ozxwfK66KtX759eqb7eq/o/g7IDv/e1te/yvxDyb167Xzm6/j6h+ft53TbPX635W83bDvw8mFhUvjEbuS12uNrt8/0VRuYrV8Fv/Isdb9/2CsvhNHIiK7iB+OiEci4tG87Y9FxOMRcWyd+H96+Yn3th7/9srin97U+V9N7IrmPa0TpfM/ftdQ6eBm4s/O/8lqaiTfs5HPv420a2tXMwAAAPz3pBGxP5J0dCWdpqOjtd/wH4q9aXlufuGZs3MfXJyuPSMwGP1pcadroO5+6Hg+rS/yE035E/l94y9Le6r50am58nS3g4cet69N/8/8Wep264Bt53kt6F36P/Qu/R96l/4PvatF/9/TjXYAO6/V9//HXWgHsPOa+r9lP+gh5v/Qu/R/6F36P/Sk+T1x+4fkJSTWJCK9K5ohsU2Jbn8yAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAdMa/AQAA//9QOObV")
lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', 0x0, &(0x7f0000000040)=ANY=[], 0xfe37, 0x0)
creat(&(0x7f0000000140)='./file2\x00', 0x1ad)
unlink(&(0x7f0000000180)='./file1\x00')
program did not crash
testing program (duration=33.811275718s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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")
lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), 0x0, 0xfe37, 0x0)
creat(&(0x7f0000000140)='./file2\x00', 0x1ad)
unlink(&(0x7f0000000180)='./file1\x00')
program did not crash
testing program (duration=33.811275718s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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")
lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0)
creat(0x0, 0x1ad)
unlink(&(0x7f0000000180)='./file1\x00')
program did not crash
testing program (duration=33.811275718s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000340)={[{@nogrpid}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@jqfmt_vfsv0}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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")
lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0)
creat(&(0x7f0000000140)='./file2\x00', 0x1ad)
unlink(0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=33.811275718s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
program crashed: KASAN: out-of-bounds Read in ext4_xattr_set_entry
simplifying C reproducer
testing compiled C program (duration=33.811275718s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
program crashed: KASAN: out-of-bounds Read in ext4_xattr_set_entry
testing compiled C program (duration=33.811275718s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
program crashed: KASAN: out-of-bounds Read in ext4_xattr_set_entry
testing compiled C program (duration=33.811275718s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
program crashed: KASAN: out-of-bounds Read in ext4_xattr_set_entry
testing compiled C program (duration=33.811275718s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
program crashed: KASAN: out-of-bounds Read in ext4_xattr_set_entry
testing compiled C program (duration=33.811275718s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
program crashed: KASAN: out-of-bounds Read in ext4_xattr_set_entry
testing compiled C program (duration=33.811275718s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
program crashed: KASAN: out-of-bounds Read in ext4_xattr_set_entry
reproducing took 16m54.488762598s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0x979/0x21d0 fs/ext4/xattr.c:1732
Read of size 18446744073709551572 at addr ffff88810dc05850 by task syz-executor270/282
CPU: 1 PID: 282 Comm: syz-executor270 Not tainted 6.1.134-syzkaller-00039-g3c6d0251e1fb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
__dump_stack+0x21/0x24 lib/dump_stack.c:88
dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106
print_address_description+0x71/0x210 mm/kasan/report.c:316
print_report+0x4a/0x60 mm/kasan/report.c:427
kasan_report+0x122/0x150 mm/kasan/report.c:531
check_region_inline mm/kasan/generic.c:-1 [inline]
kasan_check_range+0x280/0x290 mm/kasan/generic.c:189
memmove+0x2d/0x70 mm/kasan/shadow.c:54
ext4_xattr_set_entry+0x979/0x21d0 fs/ext4/xattr.c:1732
ext4_xattr_block_set+0xada/0x3270 fs/ext4/xattr.c:1979
ext4_xattr_move_to_block fs/ext4/xattr.c:2616 [inline]
ext4_xattr_make_inode_space fs/ext4/xattr.c:2691 [inline]
ext4_expand_extra_isize_ea+0xf30/0x1990 fs/ext4/xattr.c:2783
__ext4_expand_extra_isize+0x2fe/0x3e0 fs/ext4/inode.c:5938
ext4_try_to_expand_extra_isize fs/ext4/inode.c:5981 [inline]
__ext4_mark_inode_dirty+0x3cf/0x600 fs/ext4/inode.c:6059
__ext4_unlink+0x673/0xb00 fs/ext4/namei.c:3341
ext4_unlink+0x13a/0x3a0 fs/ext4/namei.c:3370
vfs_unlink+0x39f/0x630 fs/namei.c:4321
do_unlinkat+0x31f/0x6b0 fs/namei.c:4389
__do_sys_unlink fs/namei.c:4437 [inline]
__se_sys_unlink fs/namei.c:4435 [inline]
__x64_sys_unlink+0x49/0x50 fs/namei.c:4435
x64_sys_call+0x958/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:88
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f502ee4ca39
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff8eb09568 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f502ee4ca39
RDX: 00007f502ee4ca39 RSI: 00007f502ee4ca39 RDI: 0000200000000180
RBP: 0031656c69662f2e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0032656c69662f2e
R13: 00007fff8eb09748 R14: 0000000000000001 R15: 0000000000000001
Allocated by task 282:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
kasan_save_alloc_info+0x25/0x30 mm/kasan/generic.c:505
____kasan_kmalloc mm/kasan/common.c:379 [inline]
__kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:388
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
kmemdup+0x2b/0x60 mm/util.c:134
_Z7kmemdupPKvU17pass_object_size0mj include/linux/fortify-string.h:585 [inline]
ext4_xattr_block_set+0x9dc/0x3270 fs/ext4/xattr.c:1927
ext4_xattr_move_to_block fs/ext4/xattr.c:2616 [inline]
ext4_xattr_make_inode_space fs/ext4/xattr.c:2691 [inline]
ext4_expand_extra_isize_ea+0xf30/0x1990 fs/ext4/xattr.c:2783
__ext4_expand_extra_isize+0x2fe/0x3e0 fs/ext4/inode.c:5938
ext4_try_to_expand_extra_isize fs/ext4/inode.c:5981 [inline]
__ext4_mark_inode_dirty+0x3cf/0x600 fs/ext4/inode.c:6059
__ext4_unlink+0x673/0xb00 fs/ext4/namei.c:3341
ext4_unlink+0x13a/0x3a0 fs/ext4/namei.c:3370
vfs_unlink+0x39f/0x630 fs/namei.c:4321
do_unlinkat+0x31f/0x6b0 fs/namei.c:4389
__do_sys_unlink fs/namei.c:4437 [inline]
__se_sys_unlink fs/namei.c:4435 [inline]
__x64_sys_unlink+0x49/0x50 fs/namei.c:4435
x64_sys_call+0x958/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:88
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
The buggy address belongs to the object at ffff88810dc05800
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 80 bytes inside of
1024-byte region [ffff88810dc05800, ffff88810dc05c00)
The buggy address belongs to the physical page:
page:ffffea0004370000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10dc00
head:ffffea0004370000 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043080
raw: 0000000000000000 0000000080100010 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 91, tgid 91 (klogd), ts 27203012674, free_ts 19726685691
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2637
prep_new_page+0x1c/0x110 mm/page_alloc.c:2644
get_page_from_freelist+0x2c6e/0x2ce0 mm/page_alloc.c:4539
__alloc_pages+0x19e/0x3a0 mm/page_alloc.c:5842
alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
allocate_slab mm/slub.c:1962 [inline]
new_slab+0x98/0x3d0 mm/slub.c:2015
___slab_alloc+0x6f6/0xb50 mm/slub.c:3203
__slab_alloc+0x5e/0xa0 mm/slub.c:3302
slab_alloc_node mm/slub.c:3387 [inline]
__kmem_cache_alloc_node+0x203/0x2c0 mm/slub.c:3462
kmalloc_trace+0x29/0xb0 mm/slab_common.c:1028
kmalloc include/linux/slab.h:563 [inline]
syslog_print+0xea/0x550 kernel/printk/printk.c:1502
do_syslog+0x675/0x730 kernel/printk/printk.c:1681
__do_sys_syslog kernel/printk/printk.c:1773 [inline]
__se_sys_syslog kernel/printk/printk.c:1771 [inline]
__x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1771
x64_sys_call+0x610/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:104
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
page last free stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1545 [inline]
free_pcp_prepare mm/page_alloc.c:1619 [inline]
free_unref_page_prepare+0x742/0x750 mm/page_alloc.c:3581
free_unref_page+0x8f/0x530 mm/page_alloc.c:3677
free_the_page mm/page_alloc.c:830 [inline]
__free_pages+0x67/0x100 mm/page_alloc.c:5931
__free_slab+0xca/0x1a0 mm/slub.c:2039
free_slab mm/slub.c:2054 [inline]
discard_slab mm/slub.c:2060 [inline]
__unfreeze_partials+0x160/0x190 mm/slub.c:2609
put_cpu_partial+0xa9/0x100 mm/slub.c:2685
__slab_free+0x1c4/0x280 mm/slub.c:3563
do_slab_free mm/slub.c:3640 [inline]
___cache_free+0xbf/0xd0 mm/slub.c:3696
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0xc6/0x140 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x14a/0x170 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x24/0x80 mm/kasan/common.c:310
kasan_slab_alloc include/linux/kasan.h:202 [inline]
slab_post_alloc_hook+0x4f/0x2d0 mm/slab.h:768
slab_alloc_node mm/slub.c:3421 [inline]
slab_alloc mm/slub.c:3431 [inline]
__kmem_cache_alloc_lru mm/slub.c:3438 [inline]
kmem_cache_alloc+0x16e/0x330 mm/slub.c:3447
vm_area_alloc+0x24/0x1a0 kernel/fork.c:495
__mmap_region mm/mmap.c:2837 [inline]
mmap_region+0xf7d/0x2140 mm/mmap.c:3005
do_mmap+0x7ae/0xcf0 mm/mmap.c:1474
Memory state around the buggy address:
ffff88810dc05700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88810dc05780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88810dc05800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
^
ffff88810dc05880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff88810dc05900: 00 00 00 00 00 00 00 00 00 00 00
final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0x979/0x21d0 fs/ext4/xattr.c:1732
Read of size 18446744073709551572 at addr ffff88810dc05850 by task syz-executor270/282
CPU: 1 PID: 282 Comm: syz-executor270 Not tainted 6.1.134-syzkaller-00039-g3c6d0251e1fb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
__dump_stack+0x21/0x24 lib/dump_stack.c:88
dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106
print_address_description+0x71/0x210 mm/kasan/report.c:316
print_report+0x4a/0x60 mm/kasan/report.c:427
kasan_report+0x122/0x150 mm/kasan/report.c:531
check_region_inline mm/kasan/generic.c:-1 [inline]
kasan_check_range+0x280/0x290 mm/kasan/generic.c:189
memmove+0x2d/0x70 mm/kasan/shadow.c:54
ext4_xattr_set_entry+0x979/0x21d0 fs/ext4/xattr.c:1732
ext4_xattr_block_set+0xada/0x3270 fs/ext4/xattr.c:1979
ext4_xattr_move_to_block fs/ext4/xattr.c:2616 [inline]
ext4_xattr_make_inode_space fs/ext4/xattr.c:2691 [inline]
ext4_expand_extra_isize_ea+0xf30/0x1990 fs/ext4/xattr.c:2783
__ext4_expand_extra_isize+0x2fe/0x3e0 fs/ext4/inode.c:5938
ext4_try_to_expand_extra_isize fs/ext4/inode.c:5981 [inline]
__ext4_mark_inode_dirty+0x3cf/0x600 fs/ext4/inode.c:6059
__ext4_unlink+0x673/0xb00 fs/ext4/namei.c:3341
ext4_unlink+0x13a/0x3a0 fs/ext4/namei.c:3370
vfs_unlink+0x39f/0x630 fs/namei.c:4321
do_unlinkat+0x31f/0x6b0 fs/namei.c:4389
__do_sys_unlink fs/namei.c:4437 [inline]
__se_sys_unlink fs/namei.c:4435 [inline]
__x64_sys_unlink+0x49/0x50 fs/namei.c:4435
x64_sys_call+0x958/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:88
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f502ee4ca39
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff8eb09568 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f502ee4ca39
RDX: 00007f502ee4ca39 RSI: 00007f502ee4ca39 RDI: 0000200000000180
RBP: 0031656c69662f2e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0032656c69662f2e
R13: 00007fff8eb09748 R14: 0000000000000001 R15: 0000000000000001
Allocated by task 282:
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
kasan_save_alloc_info+0x25/0x30 mm/kasan/generic.c:505
____kasan_kmalloc mm/kasan/common.c:379 [inline]
__kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:388
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
kmemdup+0x2b/0x60 mm/util.c:134
_Z7kmemdupPKvU17pass_object_size0mj include/linux/fortify-string.h:585 [inline]
ext4_xattr_block_set+0x9dc/0x3270 fs/ext4/xattr.c:1927
ext4_xattr_move_to_block fs/ext4/xattr.c:2616 [inline]
ext4_xattr_make_inode_space fs/ext4/xattr.c:2691 [inline]
ext4_expand_extra_isize_ea+0xf30/0x1990 fs/ext4/xattr.c:2783
__ext4_expand_extra_isize+0x2fe/0x3e0 fs/ext4/inode.c:5938
ext4_try_to_expand_extra_isize fs/ext4/inode.c:5981 [inline]
__ext4_mark_inode_dirty+0x3cf/0x600 fs/ext4/inode.c:6059
__ext4_unlink+0x673/0xb00 fs/ext4/namei.c:3341
ext4_unlink+0x13a/0x3a0 fs/ext4/namei.c:3370
vfs_unlink+0x39f/0x630 fs/namei.c:4321
do_unlinkat+0x31f/0x6b0 fs/namei.c:4389
__do_sys_unlink fs/namei.c:4437 [inline]
__se_sys_unlink fs/namei.c:4435 [inline]
__x64_sys_unlink+0x49/0x50 fs/namei.c:4435
x64_sys_call+0x958/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:88
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
The buggy address belongs to the object at ffff88810dc05800
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 80 bytes inside of
1024-byte region [ffff88810dc05800, ffff88810dc05c00)
The buggy address belongs to the physical page:
page:ffffea0004370000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10dc00
head:ffffea0004370000 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043080
raw: 0000000000000000 0000000080100010 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 91, tgid 91 (klogd), ts 27203012674, free_ts 19726685691
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2637
prep_new_page+0x1c/0x110 mm/page_alloc.c:2644
get_page_from_freelist+0x2c6e/0x2ce0 mm/page_alloc.c:4539
__alloc_pages+0x19e/0x3a0 mm/page_alloc.c:5842
alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
allocate_slab mm/slub.c:1962 [inline]
new_slab+0x98/0x3d0 mm/slub.c:2015
___slab_alloc+0x6f6/0xb50 mm/slub.c:3203
__slab_alloc+0x5e/0xa0 mm/slub.c:3302
slab_alloc_node mm/slub.c:3387 [inline]
__kmem_cache_alloc_node+0x203/0x2c0 mm/slub.c:3462
kmalloc_trace+0x29/0xb0 mm/slab_common.c:1028
kmalloc include/linux/slab.h:563 [inline]
syslog_print+0xea/0x550 kernel/printk/printk.c:1502
do_syslog+0x675/0x730 kernel/printk/printk.c:1681
__do_sys_syslog kernel/printk/printk.c:1773 [inline]
__se_sys_syslog kernel/printk/printk.c:1771 [inline]
__x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1771
x64_sys_call+0x610/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:104
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
page last free stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1545 [inline]
free_pcp_prepare mm/page_alloc.c:1619 [inline]
free_unref_page_prepare+0x742/0x750 mm/page_alloc.c:3581
free_unref_page+0x8f/0x530 mm/page_alloc.c:3677
free_the_page mm/page_alloc.c:830 [inline]
__free_pages+0x67/0x100 mm/page_alloc.c:5931
__free_slab+0xca/0x1a0 mm/slub.c:2039
free_slab mm/slub.c:2054 [inline]
discard_slab mm/slub.c:2060 [inline]
__unfreeze_partials+0x160/0x190 mm/slub.c:2609
put_cpu_partial+0xa9/0x100 mm/slub.c:2685
__slab_free+0x1c4/0x280 mm/slub.c:3563
do_slab_free mm/slub.c:3640 [inline]
___cache_free+0xbf/0xd0 mm/slub.c:3696
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0xc6/0x140 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x14a/0x170 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x24/0x80 mm/kasan/common.c:310
kasan_slab_alloc include/linux/kasan.h:202 [inline]
slab_post_alloc_hook+0x4f/0x2d0 mm/slab.h:768
slab_alloc_node mm/slub.c:3421 [inline]
slab_alloc mm/slub.c:3431 [inline]
__kmem_cache_alloc_lru mm/slub.c:3438 [inline]
kmem_cache_alloc+0x16e/0x330 mm/slub.c:3447
vm_area_alloc+0x24/0x1a0 kernel/fork.c:495
__mmap_region mm/mmap.c:2837 [inline]
mmap_region+0xf7d/0x2140 mm/mmap.c:3005
do_mmap+0x7ae/0xcf0 mm/mmap.c:1474
Memory state around the buggy address:
ffff88810dc05700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88810dc05780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88810dc05800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
^
ffff88810dc05880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff88810dc05900: 00 00 00 00 00 00 00 00 00 00 00