Extracting prog: 1m14.967941986s
Minimizing prog: 10m38.606723038s
Simplifying prog options: 1m45.767042892s
Extracting C: 59.710000441s
Simplifying C: 5m21.684134866s


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$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$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")
r0 = open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0), &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program crashed: KASAN: use-after-free Read in ext4_find_extent
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=35.867711646s, {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$ext4-open-fallocate-openat-pwrite64
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$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")
r0 = open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)

program did not crash
testing program (duration=35.867711646s, {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$ext4-open-fallocate-openat-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$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")
r0 = open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0), &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program did not crash
testing program (duration=35.867711646s, {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$ext4-open-fallocate-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$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")
r0 = open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
pwrite64(0xffffffffffffffff, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0), &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program did not crash
testing program (duration=35.867711646s, {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$ext4-open-openat-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$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")
open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0), &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program did not crash
testing program (duration=35.867711646s, {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$ext4-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$eJzs3d9rW1UcAPDvTX/sp66DMVRECntwMpeurT8m+DAfRYcDfZ+hvSuj6TKadKx14PbgXnyRIYg4EN/13cfhP+BfMdDBkFH0wZfKTW+6dE3atMuaznw+cMM590fOPbn3nHxPTkIC6Fuj2UMh4uWI+CaJOBIRSb5tMPKNo6v7LT+6MZUtSaysfPpXUt8vyzeeq3HcoTzzUkT89lXEqcLGcquLS7Olcjmdz/NjtbmrY9XFpdOX50oz6Ux6ZWJy8uzbkxPvvftO1+r6xoV/vv/k3odnvz6x/N0vD47eSeJcHM63NddjZ4azh5vNa0ZjNH9NhuLcE3uPP11he07S6xNgRwbydj4UWR9wJAbyVg/8/30ZEStAn0rat/9IdvVMgN3ViAMaY/vNx8EvrqWaj32ePfxgdQC0sf6Dq5+NxP762OjgcrJuZJSNd0e6UH5Wxq9/3r2TLdGVzyEAOnPzVkScGRzc2P8lef+3c2dar97fnHmyDP0f7J57WfzzZqv4p7AW/0SL+OdQi7a7E1u3/8KDLhTTVhb/vd8y/l2btBoZyHMv1GO+oeTS5XJ6Jo+GT8bQviy/2XzO2eX7bWPl5vgvW7LyG7Fgfh4PBvetP2a6VCvVP7jrgoe3Il5pGf8ma9c/aXH9s9fjQodlHE/vvtZu29b1f7ZWfop4veX1fzyjlWw+PzlWvx/GGnfFRn/fPv57u/J7Xf/s+h/cvP4jSfN8bXX7Zfy4/9+03bZ19Y/O7//h5LN6ejhfd71Uq82PRwwnH29cP/H42Ea+sX9W/5MnNu//Wt3/ByLi8w7rf/vYz692VP8eXf/pbV3/7Sfuf/TFD+3K76z/e6ueOpmvqfd/W+j0BJ/mtQMAAAAAAIC9phARhyMpFNfShUKxuPr9jmNxsFCuVGunLlUWrkxH/beyIzFUaMx0H2n6PsR4/n3YRn7iifxkRByNiG8HDtTzxalKebrXlQcAAAAAAAAAAAAAAAAAAIA94lCb3/9n/hjo9dkBz5y//Ib+tWX778Y/PQF7kvd/6F/aP/Qv7R/6l/YP/Uv7h/61rv2b9Ie+4v0f+pf2DwAAAAAAAAAAAAAAAAAAAAAAAAAAAF114fz5bFlZfnRjKstPX1tcmK1cOz2dVmeLcwtTxanK/NXiTKUyU06LU5W5rZ6vXKlcHZ+IhetjtbRaG6suLl2cqyxcqV28PFeaSS+mQ7tSKwAAAAAAAAAAAAAAAAAAAHi+VBeXZkvlcjovIbGjxODeOA2JLid63TMBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwGP/BQAA///oaTpO")
fallocate(0xffffffffffffffff, 0x20, 0x0, 0x7000000)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r0, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0), &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program did not crash
testing program (duration=35.867711646s, {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}}): open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
r0 = open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0), &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program did not crash
testing program (duration=35.867711646s, {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$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$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")
r0 = open(0x0, 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0), &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program did not crash
testing program (duration=35.867711646s, {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$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$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")
r0 = open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
r1 = openat(0xffffffffffffff9c, 0x0, 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0), &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program did not crash
testing program (duration=35.867711646s, {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$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$eJzs3d9rW1UcAPDvTX/sp66DMVRECntwMpeurT8m+DAfRYcDfZ+hvSuj6TKadKx14PbgXnyRIYg4EN/13cfhP+BfMdDBkFH0wZfKTW+6dE3atMuaznw+cMM590fOPbn3nHxPTkIC6Fuj2UMh4uWI+CaJOBIRSb5tMPKNo6v7LT+6MZUtSaysfPpXUt8vyzeeq3HcoTzzUkT89lXEqcLGcquLS7Olcjmdz/NjtbmrY9XFpdOX50oz6Ux6ZWJy8uzbkxPvvftO1+r6xoV/vv/k3odnvz6x/N0vD47eSeJcHM63NddjZ4azh5vNa0ZjNH9NhuLcE3uPP11he07S6xNgRwbydj4UWR9wJAbyVg/8/30ZEStAn0rat/9IdvVMgN3ViAMaY/vNx8EvrqWaj32ePfxgdQC0sf6Dq5+NxP762OjgcrJuZJSNd0e6UH5Wxq9/3r2TLdGVzyEAOnPzVkScGRzc2P8lef+3c2dar97fnHmyDP0f7J57WfzzZqv4p7AW/0SL+OdQi7a7E1u3/8KDLhTTVhb/vd8y/l2btBoZyHMv1GO+oeTS5XJ6Jo+GT8bQviy/2XzO2eX7bWPl5vgvW7LyG7Fgfh4PBvetP2a6VCvVP7jrgoe3Il5pGf8ma9c/aXH9s9fjQodlHE/vvtZu29b1f7ZWfop4veX1fzyjlWw+PzlWvx/GGnfFRn/fPv57u/J7Xf/s+h/cvP4jSfN8bXX7Zfy4/9+03bZ19Y/O7//h5LN6ejhfd71Uq82PRwwnH29cP/H42Ea+sX9W/5MnNu//Wt3/ByLi8w7rf/vYz692VP8eXf/pbV3/7Sfuf/TFD+3K76z/e6ueOpmvqfd/W+j0BJ/mtQMAAAAAAIC9phARhyMpFNfShUKxuPr9jmNxsFCuVGunLlUWrkxH/beyIzFUaMx0H2n6PsR4/n3YRn7iifxkRByNiG8HDtTzxalKebrXlQcAAAAAAAAAAAAAAAAAAIA94lCb3/9n/hjo9dkBz5y//Ib+tWX778Y/PQF7kvd/6F/aP/Qv7R/6l/YP/Uv7h/61rv2b9Ie+4v0f+pf2DwAAAAAAAAAAAAAAAAAAAAAAAAAAAF114fz5bFlZfnRjKstPX1tcmK1cOz2dVmeLcwtTxanK/NXiTKUyU06LU5W5rZ6vXKlcHZ+IhetjtbRaG6suLl2cqyxcqV28PFeaSS+mQ7tSKwAAAAAAAAAAAAAAAAAAAHi+VBeXZkvlcjovIbGjxODeOA2JLid63TMBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwGP/BQAA///oaTpO")
r0 = open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, 0x0, 0x0, 0x9000)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0), &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program did not crash
testing program (duration=35.867711646s, {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$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$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")
r0 = open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0), 0x0, 0x9000)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0), &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program did not crash
testing program (duration=35.867711646s, {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$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$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")
r0 = open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
setxattr$trusted_overlay_upper(0x0, &(0x7f00000001c0), &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program did not crash
testing program (duration=35.867711646s, {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$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$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")
r0 = open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', 0x0, &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program did not crash
testing program (duration=35.867711646s, {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$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$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")
r0 = open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0), 0x0, 0x841, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=35.867711646s, {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$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
program crashed: KASAN: slab-out-of-bounds Read in ext4_find_extent
a never seen crash title: KASAN: slab-out-of-bounds Read in ext4_find_extent, ignore
simplifying guilty program options
testing program (duration=35.867711646s, {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$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$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")
r0 = open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0), &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program crashed: KASAN: use-after-free Read in ext4_find_extent
extracting C reproducer
testing compiled C program (duration=35.867711646s, {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$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
program crashed: KASAN: use-after-free Read in ext4_find_extent
simplifying C reproducer
testing compiled C program (duration=35.867711646s, {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$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
program did not crash
testing compiled C program (duration=35.867711646s, {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$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
program crashed: KASAN: use-after-free Read in ext4_find_extent
testing compiled C program (duration=35.867711646s, {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$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
program crashed: KASAN: use-after-free Read in ext4_find_extent
testing compiled C program (duration=35.867711646s, {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$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
program crashed: KASAN: use-after-free Read in ext4_find_extent
testing compiled C program (duration=35.867711646s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
program crashed: KASAN: use-after-free Read in ext4_find_extent
testing compiled C program (duration=35.867711646s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
program did not crash
testing program (duration=35.867711646s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$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")
r0 = open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0), &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program crashed: KASAN: use-after-free Read in ext4_find_extent
validation run: crashed=true
testing program (duration=35.867711646s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$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")
r0 = open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0), &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program crashed: KASAN: use-after-free Read in ext4_find_extent
validation run: crashed=true
testing program (duration=35.867711646s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-open-fallocate-openat-pwrite64-setxattr$trusted_overlay_upper
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x3000046, &(0x7f0000000200)={[{@delalloc}, {@data_err_abort}, {@barrier_val={'barrier', 0x3d, 0x2}}, {@dioread_lock}, {@nouid32}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4007b1}}, {@data_err_ignore}, {@grpquota}, {@sysvgroups}, {@user_xattr}, {@bh}, {@dioread_nolock}]}, 0x1, 0x567, &(0x7f0000000b00)="$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")
r0 = open(&(0x7f0000000000)='./file1\x00', 0x109042, 0x0)
fallocate(r0, 0x20, 0x0, 0x7000000)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x42, 0x0)
pwrite64(r1, &(0x7f00000000c0)='a', 0x200000c1, 0x9000)
setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0), &(0x7f0000000200)=ANY=[], 0x841, 0x0)

program crashed: KASAN: use-after-free Read in ext4_find_extent
validation run: crashed=true
reproducing took 21m36.030937253s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in ext4_ext_binsearch fs/ext4/extents.c:837 [inline]
BUG: KASAN: use-after-free in ext4_find_extent+0xbeb/0xe20 fs/ext4/extents.c:953
Read of size 4 at addr ffff888123fa4c94 by task kworker/u4:1/10

CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: writeback wb_workfn (flush-7:2)
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
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:350
 ext4_ext_binsearch fs/ext4/extents.c:837 [inline]
 ext4_find_extent+0xbeb/0xe20 fs/ext4/extents.c:953
 ext4_ext_map_blocks+0x1dc/0x6060 fs/ext4/extents.c:4166
 ext4_map_blocks+0x9cb/0x1b60 fs/ext4/inode.c:679
 mpage_map_one_extent fs/ext4/inode.c:2435 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2488 [inline]
 ext4_writepages+0x1260/0x3020 fs/ext4/inode.c:2856
 do_writepages+0x3a9/0x5e0 mm/page-writeback.c:2494
 __writeback_single_inode+0xc6/0xad0 fs/fs-writeback.c:1612
 writeback_sb_inodes+0x9b8/0x1550 fs/fs-writeback.c:1903
 wb_writeback+0x3f1/0x980 fs/fs-writeback.c:2079
 wb_do_writeback fs/fs-writeback.c:2226 [inline]
 wb_workfn+0x350/0xda0 fs/fs-writeback.c:2266
 process_one_work+0x71f/0xc40 kernel/workqueue.c:2302
 worker_thread+0xa29/0x11f0 kernel/workqueue.c:2449
 kthread+0x281/0x320 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>

Allocated by task 297:
 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_slab_alloc+0x72/0x80 mm/kasan/common.c:333
 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:3382 [inline]
 slab_alloc mm/slub.c:3392 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3399 [inline]
 kmem_cache_alloc_lru+0x104/0x280 mm/slub.c:3415
 alloc_inode_sb include/linux/fs.h:3263 [inline]
 shmem_alloc_inode+0x28/0x40 mm/shmem.c:3913
 alloc_inode fs/inode.c:264 [inline]
 new_inode_pseudo+0x70/0x1f0 fs/inode.c:1073
 new_inode+0x28/0x1e0 fs/inode.c:1101
 shmem_get_inode+0x349/0xc20 mm/shmem.c:2368
 shmem_symlink+0x9e/0x4c0 mm/shmem.c:3165
 vfs_symlink+0x261/0x3f0 fs/namei.c:4470
 do_symlinkat+0x124/0x5a0 fs/namei.c:4499
 __do_sys_symlink fs/namei.c:4521 [inline]
 __se_sys_symlink fs/namei.c:4519 [inline]
 __x64_sys_symlink+0x7e/0x90 fs/namei.c:4519
 x64_sys_call+0x369/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:89
 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

Freed by task 344:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_free_info+0x31/0x50 mm/kasan/generic.c:516
 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:241
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:249
 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+0x12d/0x300 mm/slub.c:3737
 shmem_free_in_core_inode+0x90/0xb0 mm/shmem.c:3923
 i_callback+0x5a/0x80 fs/inode.c:253
 rcu_do_batch+0x515/0xb90 kernel/rcu/tree.c:2297
 rcu_core+0x5a5/0xe70 kernel/rcu/tree.c:2557
 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2574
 handle_softirqs+0x1d7/0x600 kernel/softirq.c:642
 __do_softirq+0xb/0xd kernel/softirq.c:680

Last potentially related work creation:
 kasan_save_stack+0x3a/0x60 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xb6/0xc0 mm/kasan/generic.c:486
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496
 __call_rcu_common kernel/rcu/tree.c:2807 [inline]
 call_rcu+0xd4/0xf90 kernel/rcu/tree.c:2926
 destroy_inode fs/inode.c:319 [inline]
 evict+0x7f6/0x890 fs/inode.c:723
 iput_final fs/inode.c:1844 [inline]
 iput+0x620/0x670 fs/inode.c:1870
 do_unlinkat+0x375/0x6b0 fs/namei.c:4396
 __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 ffff888123fa4b58
 which belongs to the cache shmem_inode_cache of size 840
The buggy address is located 316 bytes inside of
 840-byte region [ffff888123fa4b58, ffff888123fa4ea0)

The buggy address belongs to the physical page:
page:ffffea00048fe900 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x123fa4
head:ffffea00048fe900 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff8881001ecd80
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 349, tgid 349 (syz-executor), ts 27769171127, free_ts 27327814755
 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]
 slab_alloc mm/slub.c:3392 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3399 [inline]
 kmem_cache_alloc_lru+0x144/0x280 mm/slub.c:3415
 alloc_inode_sb include/linux/fs.h:3263 [inline]
 shmem_alloc_inode+0x28/0x40 mm/shmem.c:3913
 alloc_inode fs/inode.c:264 [inline]
 new_inode_pseudo+0x70/0x1f0 fs/inode.c:1073
 new_inode+0x28/0x1e0 fs/inode.c:1101
 shmem_get_inode+0x349/0xc20 mm/shmem.c:2368
 shmem_symlink+0x9e/0x4c0 mm/shmem.c:3165
 vfs_symlink+0x261/0x3f0 fs/namei.c:4470
 do_symlinkat+0x124/0x5a0 fs/namei.c:4499
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+0x8f/0x530 mm/page_alloc.c:3687
 free_the_page mm/page_alloc.c:836 [inline]
 __free_pages+0x67/0x100 mm/page_alloc.c:5957
 __vunmap+0x9af/0xb70 mm/vmalloc.c:2739
 __vfree mm/vmalloc.c:2788 [inline]
 vfree+0x61/0x90 mm/vmalloc.c:2819
 kcov_put kernel/kcov.c:437 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:533
 __fput+0x1fc/0x8f0 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1db/0x240 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa25/0x2650 kernel/exit.c:886
 do_group_exit+0x210/0x2d0 kernel/exit.c:1028
 get_signal+0x13b5/0x1520 kernel/signal.c:2889
 arch_do_signal_or_restart+0xb0/0x1030 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x7a/0xb0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303

Memory state around the buggy address:
 ffff888123fa4b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888123fa4c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888123fa4c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                         ^
 ffff888123fa4d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888123fa4d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: use-after-free in ext4_ext_binsearch fs/ext4/extents.c:837 [inline]
BUG: KASAN: use-after-free in ext4_find_extent+0xbeb/0xe20 fs/ext4/extents.c:953
Read of size 4 at addr ffff888123fa4c94 by task kworker/u4:1/10

CPU: 1 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: writeback wb_workfn (flush-7:2)
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
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:350
 ext4_ext_binsearch fs/ext4/extents.c:837 [inline]
 ext4_find_extent+0xbeb/0xe20 fs/ext4/extents.c:953
 ext4_ext_map_blocks+0x1dc/0x6060 fs/ext4/extents.c:4166
 ext4_map_blocks+0x9cb/0x1b60 fs/ext4/inode.c:679
 mpage_map_one_extent fs/ext4/inode.c:2435 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2488 [inline]
 ext4_writepages+0x1260/0x3020 fs/ext4/inode.c:2856
 do_writepages+0x3a9/0x5e0 mm/page-writeback.c:2494
 __writeback_single_inode+0xc6/0xad0 fs/fs-writeback.c:1612
 writeback_sb_inodes+0x9b8/0x1550 fs/fs-writeback.c:1903
 wb_writeback+0x3f1/0x980 fs/fs-writeback.c:2079
 wb_do_writeback fs/fs-writeback.c:2226 [inline]
 wb_workfn+0x350/0xda0 fs/fs-writeback.c:2266
 process_one_work+0x71f/0xc40 kernel/workqueue.c:2302
 worker_thread+0xa29/0x11f0 kernel/workqueue.c:2449
 kthread+0x281/0x320 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>

Allocated by task 297:
 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_slab_alloc+0x72/0x80 mm/kasan/common.c:333
 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:3382 [inline]
 slab_alloc mm/slub.c:3392 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3399 [inline]
 kmem_cache_alloc_lru+0x104/0x280 mm/slub.c:3415
 alloc_inode_sb include/linux/fs.h:3263 [inline]
 shmem_alloc_inode+0x28/0x40 mm/shmem.c:3913
 alloc_inode fs/inode.c:264 [inline]
 new_inode_pseudo+0x70/0x1f0 fs/inode.c:1073
 new_inode+0x28/0x1e0 fs/inode.c:1101
 shmem_get_inode+0x349/0xc20 mm/shmem.c:2368
 shmem_symlink+0x9e/0x4c0 mm/shmem.c:3165
 vfs_symlink+0x261/0x3f0 fs/namei.c:4470
 do_symlinkat+0x124/0x5a0 fs/namei.c:4499
 __do_sys_symlink fs/namei.c:4521 [inline]
 __se_sys_symlink fs/namei.c:4519 [inline]
 __x64_sys_symlink+0x7e/0x90 fs/namei.c:4519
 x64_sys_call+0x369/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:89
 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

Freed by task 344:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_free_info+0x31/0x50 mm/kasan/generic.c:516
 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:241
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:249
 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+0x12d/0x300 mm/slub.c:3737
 shmem_free_in_core_inode+0x90/0xb0 mm/shmem.c:3923
 i_callback+0x5a/0x80 fs/inode.c:253
 rcu_do_batch+0x515/0xb90 kernel/rcu/tree.c:2297
 rcu_core+0x5a5/0xe70 kernel/rcu/tree.c:2557
 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2574
 handle_softirqs+0x1d7/0x600 kernel/softirq.c:642
 __do_softirq+0xb/0xd kernel/softirq.c:680

Last potentially related work creation:
 kasan_save_stack+0x3a/0x60 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xb6/0xc0 mm/kasan/generic.c:486
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496
 __call_rcu_common kernel/rcu/tree.c:2807 [inline]
 call_rcu+0xd4/0xf90 kernel/rcu/tree.c:2926
 destroy_inode fs/inode.c:319 [inline]
 evict+0x7f6/0x890 fs/inode.c:723
 iput_final fs/inode.c:1844 [inline]
 iput+0x620/0x670 fs/inode.c:1870
 do_unlinkat+0x375/0x6b0 fs/namei.c:4396
 __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 ffff888123fa4b58
 which belongs to the cache shmem_inode_cache of size 840
The buggy address is located 316 bytes inside of
 840-byte region [ffff888123fa4b58, ffff888123fa4ea0)

The buggy address belongs to the physical page:
page:ffffea00048fe900 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x123fa4
head:ffffea00048fe900 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff8881001ecd80
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 349, tgid 349 (syz-executor), ts 27769171127, free_ts 27327814755
 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]
 slab_alloc mm/slub.c:3392 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3399 [inline]
 kmem_cache_alloc_lru+0x144/0x280 mm/slub.c:3415
 alloc_inode_sb include/linux/fs.h:3263 [inline]
 shmem_alloc_inode+0x28/0x40 mm/shmem.c:3913
 alloc_inode fs/inode.c:264 [inline]
 new_inode_pseudo+0x70/0x1f0 fs/inode.c:1073
 new_inode+0x28/0x1e0 fs/inode.c:1101
 shmem_get_inode+0x349/0xc20 mm/shmem.c:2368
 shmem_symlink+0x9e/0x4c0 mm/shmem.c:3165
 vfs_symlink+0x261/0x3f0 fs/namei.c:4470
 do_symlinkat+0x124/0x5a0 fs/namei.c:4499
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+0x8f/0x530 mm/page_alloc.c:3687
 free_the_page mm/page_alloc.c:836 [inline]
 __free_pages+0x67/0x100 mm/page_alloc.c:5957
 __vunmap+0x9af/0xb70 mm/vmalloc.c:2739
 __vfree mm/vmalloc.c:2788 [inline]
 vfree+0x61/0x90 mm/vmalloc.c:2819
 kcov_put kernel/kcov.c:437 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:533
 __fput+0x1fc/0x8f0 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1db/0x240 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa25/0x2650 kernel/exit.c:886
 do_group_exit+0x210/0x2d0 kernel/exit.c:1028
 get_signal+0x13b5/0x1520 kernel/signal.c:2889
 arch_do_signal_or_restart+0xb0/0x1030 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x7a/0xb0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303

Memory state around the buggy address:
 ffff888123fa4b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888123fa4c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888123fa4c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                         ^
 ffff888123fa4d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888123fa4d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================