Extracting prog: 1m14.290365546s
Minimizing prog: 7m12.684398566s
Simplifying prog options: 0s
Extracting C: 30.690555236s
Simplifying C: 3m38.292045047s


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$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file1\x00', 0x10414, &(0x7f0000000280)={[{@errors_remount}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@resgid}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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")
lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0)
creat(&(0x7f0000000140)='./file2\x00', 0x1ad)
unlink(&(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=37.74373686s, {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$ext4-lsetxattr$trusted_overlay_upper-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file1\x00', 0x10414, &(0x7f0000000280)={[{@errors_remount}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@resgid}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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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=37.74373686s, {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$ext4-lsetxattr$trusted_overlay_upper-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file1\x00', 0x10414, &(0x7f0000000280)={[{@errors_remount}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@resgid}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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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=37.74373686s, {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$ext4-creat-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file1\x00', 0x10414, &(0x7f0000000280)={[{@errors_remount}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@resgid}, {@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=37.74373686s, {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}}): 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=37.74373686s, {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$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file1\x00', 0x10414, &(0x7f0000000280)={[{@errors_remount}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@resgid}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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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=37.74373686s, {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$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file1\x00', 0x10414, &(0x7f0000000280)={[{@errors_remount}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@resgid}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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")
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=37.74373686s, {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$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file1\x00', 0x10414, &(0x7f0000000280)={[{@errors_remount}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@resgid}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$eJzs289rHFUcAPDv7Cat/aFZS/3RtGq0isEfSZPW2oMXRcGDgqCHegxJWmK3jTQRbAmaitSjFLyLR/8FT3oR8SR41bsUiuTS6mllsjPJ7nY3TdZNJrqfD0z73sxb3ve7M2/3zbxsAH1rJP0niTgYEb9FxFC92txgpP7fnZWl6b9WlqaTqNXe/TNZbXd7ZWk6b5q/7kBeGYgofZ7E0Tb9Lly5emGqWp29nNXHFy9+OL5w5eqLcxenzs+en700eebMqZMTL5+efKkneaZ53R7+ZP7YkTffv/H29Nkb1xryb8mjR0Y2OvhMrdbj7op1f0M5GSgwELakXB+mMbg6/oeiHOsnbyje+KzQ4IBtVavVag93PrxcA/7Hkig6AqAY+Rd9ev+bbzs09dgVbr1avwFK876TbfUjA1HK2gy23N/20khEnF3+++t0i+15DgEA0OT7dP7zQrv5Xykanws9kK2hVCLiwYg4FBGnI+JwRDwUsdr2kYh4dIv9ty6S3D3/Kd3sKrFNSud/r2RrW83zv3z2F5VyQ60Sg8m5uersiew9GY3BvWl9YoM+fnj91y87HWuc/6Vb2n8+F8ziuDmwt/k1M1OLU93m2+rWtYjhgXb5J2srAUlEHImI4S77mHvu22Odjt07/w30YJ2p9k3Es/Xzvxwt+eeSjdcnx++L6uyJ8fyquNvPv1x/p1P//yr/HkjP//621/9a/pWkcb12Yet9XP/9i473NN1e/3uS95r2fTy1uHh5ImJP8lY96Mb9ky3tJtfbp/mPHm8//g/F+jtxNCLSi/ixiHg8Ip7IYn8yIp6KiOMb5P/Ta09/0H3+2yvNf2ZL53+9sCda97QvlC/8+F1Tp5Wt5J+e/1OrpdFsz2Y+/zYTV3dXMwAAAPz3lCLiYCSlsbVyqTQ2Vv8b/sOxv1SdX1h8/tz8R5dm6r8RqMRgKX/SNdTwPHQiu63P65Mt9ZPZc+OvyvtW62PT89WZopOHPnegw/hP/VEuOjpg2/m9FvQv4x/6l/EP/cv4h/7VZvzvKyIOYOe1+/7/tIA4gJ3XMv4t+0Efcf8P/cv4h/5l/ENfWtgX9/6RvMJ6IUl2RRjFF6K0K8JQ2KZC0Z9MAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAvfFPAAAA///JJ+SO")
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=37.74373686s, {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$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file1\x00', 0x10414, &(0x7f0000000280)={[{@errors_remount}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@resgid}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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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=37.74373686s, {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$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file1\x00', 0x10414, &(0x7f0000000280)={[{@errors_remount}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@resgid}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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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=37.74373686s, {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$ext4-lsetxattr$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=37.74373686s, {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$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
program crashed: KASAN: out-of-bounds Read in ext4_xattr_set_entry
testing compiled C program (duration=37.74373686s, {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$ext4-lsetxattr$trusted_overlay_upper-creat-unlink
program crashed: KASAN: out-of-bounds Read in ext4_xattr_set_entry
testing compiled C program (duration=37.74373686s, {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 CallComments:true 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=37.74373686s, {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 CallComments:true 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=37.74373686s, {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 CallComments:true 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=37.74373686s, {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 CallComments:true 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 program (duration=37.74373686s, {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 CallComments:true 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$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file1\x00', 0x10414, &(0x7f0000000280)={[{@errors_remount}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@resgid}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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")
lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0)
creat(&(0x7f0000000140)='./file2\x00', 0x1ad)
unlink(&(0x7f0000000180)='./file1\x00')

program crashed: KASAN: out-of-bounds Read in ext4_xattr_set_entry
validation run: crashed=true
testing program (duration=37.74373686s, {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 CallComments:true 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$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file1\x00', 0x10414, &(0x7f0000000280)={[{@errors_remount}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@resgid}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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")
lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0)
creat(&(0x7f0000000140)='./file2\x00', 0x1ad)
unlink(&(0x7f0000000180)='./file1\x00')

program crashed: KASAN: out-of-bounds Read in ext4_xattr_set_entry
validation run: crashed=true
testing program (duration=37.74373686s, {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 CallComments:true 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$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file1\x00', 0x10414, &(0x7f0000000280)={[{@errors_remount}, {@resuid}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x68}}, {@resgid}, {@nombcache}, {@quota}]}, 0x3, 0x42f, &(0x7f0000000940)="$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")
lsetxattr$trusted_overlay_upper(&(0x7f0000000100)='./file1\x00', &(0x7f00000000c0), &(0x7f0000000040)=ANY=[], 0xfe37, 0x0)
creat(&(0x7f0000000140)='./file2\x00', 0x1ad)
unlink(&(0x7f0000000180)='./file1\x00')

program crashed: KASAN: out-of-bounds Read in ext4_xattr_set_entry
validation run: crashed=true
reproducing took 14m36.050266277s
repro crashed as (corrupted=false):
EXT4-fs warning (device loop2): ext4_expand_extra_isize_ea:2819: Unable to expand inode 15. Delete some EAs or run e2fsck.
EXT4-fs (loop2): 1 truncate cleaned up
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
==================================================================
BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0x979/0x21d0 fs/ext4/xattr.c:1742
Read of size 18446744073709551572 at addr ffff888114986050 by task syz.2.17/374

CPU: 1 PID: 374 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+0xee/0x150 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
 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:1742
 ext4_xattr_block_set+0xada/0x3270 fs/ext4/xattr.c:1989
 ext4_xattr_move_to_block fs/ext4/xattr.c:2626 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2701 [inline]
 ext4_expand_extra_isize_ea+0xf30/0x1990 fs/ext4/xattr.c:2793
 __ext4_expand_extra_isize+0x2fe/0x3e0 fs/ext4/inode.c:5982
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6025 [inline]
 __ext4_mark_inode_dirty+0x3cf/0x600 fs/ext4/inode.c:6103
 __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:4329
 do_unlinkat+0x31f/0x6b0 fs/namei.c:4397
 __do_sys_unlink fs/namei.c:4445 [inline]
 __se_sys_unlink fs/namei.c:4443 [inline]
 __x64_sys_unlink+0x49/0x50 fs/namei.c:4443
 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: 0033:0x7ff76438f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcd1276e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 00007ff7645e5fa0 RCX: 00007ff76438f749
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007ff764413f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff7645e5fa0 R14: 00007ff7645e5fa0 R15: 0000000000000001
 </TASK>

Allocated by task 374:
 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
 kmemdup include/linux/fortify-string.h:585 [inline]
 ext4_xattr_block_set+0x9dc/0x3270 fs/ext4/xattr.c:1937
 ext4_xattr_move_to_block fs/ext4/xattr.c:2626 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2701 [inline]
 ext4_expand_extra_isize_ea+0xf30/0x1990 fs/ext4/xattr.c:2793
 __ext4_expand_extra_isize+0x2fe/0x3e0 fs/ext4/inode.c:5982
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6025 [inline]
 __ext4_mark_inode_dirty+0x3cf/0x600 fs/ext4/inode.c:6103
 __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:4329
 do_unlinkat+0x31f/0x6b0 fs/namei.c:4397
 __do_sys_unlink fs/namei.c:4445 [inline]
 __se_sys_unlink fs/namei.c:4443 [inline]
 __x64_sys_unlink+0x49/0x50 fs/namei.c:4443
 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 ffff888114986000
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 80 bytes inside of
 1024-byte region [ffff888114986000, ffff888114986400)

The buggy address belongs to the physical page:
page:ffffea0004526000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x114980
head:ffffea0004526000 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 ffffea0004524400 dead000000000002 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 117, tgid 117 (udevadm), ts 5974157227, free_ts 0
 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+0x2c7b/0x2cf0 mm/page_alloc.c:4554
 __alloc_pages+0x1c3/0x450 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_node_track_caller+0xa0/0x1e0 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_untagged lib/kobject_uevent.c:326 [inline]
 kobject_uevent_net_broadcast+0x343/0x5b0 lib/kobject_uevent.c:409
 kobject_uevent_env+0x54f/0x730 lib/kobject_uevent.c:608
 kobject_synth_uevent+0x520/0xaf0 lib/kobject_uevent.c:208
 uevent_store+0x25/0x70 drivers/base/core.c:2690
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888114985f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888114985f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888114986000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                                                 ^
 ffff888114986080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888114986100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================

final repro crashed as (corrupted=false):
EXT4-fs warning (device loop2): ext4_expand_extra_isize_ea:2819: Unable to expand inode 15. Delete some EAs or run e2fsck.
EXT4-fs (loop2): 1 truncate cleaned up
EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
==================================================================
BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0x979/0x21d0 fs/ext4/xattr.c:1742
Read of size 18446744073709551572 at addr ffff888114986050 by task syz.2.17/374

CPU: 1 PID: 374 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+0xee/0x150 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
 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:1742
 ext4_xattr_block_set+0xada/0x3270 fs/ext4/xattr.c:1989
 ext4_xattr_move_to_block fs/ext4/xattr.c:2626 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2701 [inline]
 ext4_expand_extra_isize_ea+0xf30/0x1990 fs/ext4/xattr.c:2793
 __ext4_expand_extra_isize+0x2fe/0x3e0 fs/ext4/inode.c:5982
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6025 [inline]
 __ext4_mark_inode_dirty+0x3cf/0x600 fs/ext4/inode.c:6103
 __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:4329
 do_unlinkat+0x31f/0x6b0 fs/namei.c:4397
 __do_sys_unlink fs/namei.c:4445 [inline]
 __se_sys_unlink fs/namei.c:4443 [inline]
 __x64_sys_unlink+0x49/0x50 fs/namei.c:4443
 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: 0033:0x7ff76438f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcd1276e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 00007ff7645e5fa0 RCX: 00007ff76438f749
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007ff764413f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff7645e5fa0 R14: 00007ff7645e5fa0 R15: 0000000000000001
 </TASK>

Allocated by task 374:
 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
 kmemdup include/linux/fortify-string.h:585 [inline]
 ext4_xattr_block_set+0x9dc/0x3270 fs/ext4/xattr.c:1937
 ext4_xattr_move_to_block fs/ext4/xattr.c:2626 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2701 [inline]
 ext4_expand_extra_isize_ea+0xf30/0x1990 fs/ext4/xattr.c:2793
 __ext4_expand_extra_isize+0x2fe/0x3e0 fs/ext4/inode.c:5982
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6025 [inline]
 __ext4_mark_inode_dirty+0x3cf/0x600 fs/ext4/inode.c:6103
 __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:4329
 do_unlinkat+0x31f/0x6b0 fs/namei.c:4397
 __do_sys_unlink fs/namei.c:4445 [inline]
 __se_sys_unlink fs/namei.c:4443 [inline]
 __x64_sys_unlink+0x49/0x50 fs/namei.c:4443
 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 ffff888114986000
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 80 bytes inside of
 1024-byte region [ffff888114986000, ffff888114986400)

The buggy address belongs to the physical page:
page:ffffea0004526000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x114980
head:ffffea0004526000 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 ffffea0004524400 dead000000000002 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 117, tgid 117 (udevadm), ts 5974157227, free_ts 0
 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+0x2c7b/0x2cf0 mm/page_alloc.c:4554
 __alloc_pages+0x1c3/0x450 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_node_track_caller+0xa0/0x1e0 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_untagged lib/kobject_uevent.c:326 [inline]
 kobject_uevent_net_broadcast+0x343/0x5b0 lib/kobject_uevent.c:409
 kobject_uevent_env+0x54f/0x730 lib/kobject_uevent.c:608
 kobject_synth_uevent+0x520/0xaf0 lib/kobject_uevent.c:208
 uevent_store+0x25/0x70 drivers/base/core.c:2690
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888114985f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888114985f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888114986000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                                                 ^
 ffff888114986080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888114986100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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