Extracting prog: 34.447869234s
Minimizing prog: 10m37.833320918s
Simplifying prog options: 0s
Extracting C: 1m9.349864219s
Simplifying C: 8m36.480930094s


extracting reproducer from 30 programs
first checking the prog from the crash report
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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-syz_mount_image$erofs-openat-openat$binderfs-fadvise64
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
syz_mount_image$erofs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x208041, &(0x7f0000000140)=ANY=[], 0x2, 0x238, &(0x7f0000000240)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x20)
openat$binderfs(0xffffffffffffff9c, &(0x7f00000001c0)='./binderfs/binder0\x00', 0x2, 0x0)
fadvise64(r0, 0xfcff, 0x20000, 0x3)

program crashed: KASAN: vmalloc-out-of-bounds Read in z_erofs_lz4_decompress
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=44.414819755s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-syz_mount_image$erofs-openat-openat$binderfs
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
syz_mount_image$erofs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x208041, &(0x7f0000000140)=ANY=[], 0x2, 0x238, &(0x7f0000000240)="$eJzslTFrFEEUx/8zu9nbCxqw0MLmUgSMYPZ2NyppLGIvCImo5WEm4cwmFy5XJAdCgo0g1uIHsLO2SGVhp5W1hQqChSmtBEdmdvZ29vb2TIypfD+4uTdv9r15b/btGxAE8d/y5fOPT89uLixfAXAGM6gZ/Tcnf4Zbz3984UwY8e3m1KMDa8lXAwMgZa50/7C/B+DNogPspW6lzK1fmX/lcxkcM2Z+BxyXjXwXDEEWq8ytBRjuG/XDLTnIplM3QiLYg06ystpORKiGSA3xavvlRCE+Ff/hPsOKSVDtwKz17d3+eisBuqmQiEyYkNk+paVMSDMDhpfqQ5px56fjW+S4YR2Bel/3njzeV/PA6EPr/CJwREaeB8OSkRdQQxAEDTMVkZX/RTf376SvLWVvdG6jBb+/3srexdGt/lo4N1fQTEMJqsLHm9cTobL9Z2H8kmOeqR3bITNV5RVK8AQRPj15piqO41vxRtnKK/vxTaJaIyoc4uinwYY1zC6JC4cH78pWX0+7Vk9RgF/+4p6rg/owmSS3RlqdL2imKz4ZD2d1S6gsibR/MBe4ZPUn17oVmr2Nreb2bn+uvdFaE2tiM47nr4dXw/Ba3NS9OR3tdjfU/3zdnyYH/qtvHI952Gn1et1oB+h19VWn53E6WsW09LrzXdtw3f84Zn9KmV0v+sPLLkpW3IOZH9f/Spp1Cg/wyvAIgiAIgiAIgiAIgiAIgiAKeCVNAwzvpwZTORo3vq2XfwcAAP//p+RJRA==")
openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x20)
openat$binderfs(0xffffffffffffff9c, &(0x7f00000001c0)='./binderfs/binder0\x00', 0x2, 0x0)

program did not crash
testing program (duration=44.414819755s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-syz_mount_image$erofs-openat-fadvise64
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
syz_mount_image$erofs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x208041, &(0x7f0000000140)=ANY=[], 0x2, 0x238, &(0x7f0000000240)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x20)
fadvise64(r0, 0xfcff, 0x20000, 0x3)

program did not crash
testing program (duration=44.414819755s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-syz_mount_image$erofs-openat$binderfs-fadvise64
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
syz_mount_image$erofs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x208041, &(0x7f0000000140)=ANY=[], 0x2, 0x238, &(0x7f0000000240)="$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")
openat$binderfs(0xffffffffffffff9c, &(0x7f00000001c0)='./binderfs/binder0\x00', 0x2, 0x0)
fadvise64(0xffffffffffffffff, 0xfcff, 0x20000, 0x3)

program did not crash
testing program (duration=44.414819755s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-openat-openat$binderfs-fadvise64
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x20)
openat$binderfs(0xffffffffffffff9c, &(0x7f00000001c0)='./binderfs/binder0\x00', 0x2, 0x0)
fadvise64(r0, 0xfcff, 0x20000, 0x3)

program did not crash
testing program (duration=44.414819755s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$binderfs-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x208041, &(0x7f0000000140)=ANY=[], 0x2, 0x238, &(0x7f0000000240)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x20)
openat$binderfs(0xffffffffffffff9c, &(0x7f00000001c0)='./binderfs/binder0\x00', 0x2, 0x0)
fadvise64(r0, 0xfcff, 0x20000, 0x3)

program crashed: KASAN: vmalloc-out-of-bounds Read in z_erofs_lz4_decompress
testing program (duration=44.414819755s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$binderfs-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x208041, &(0x7f0000000140)=ANY=[], 0x2, 0x238, &(0x7f0000000240)="$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")
r0 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x20)
openat$binderfs(0xffffffffffffff9c, &(0x7f00000001c0)='./binderfs/binder0\x00', 0x2, 0x0)
fadvise64(r0, 0xfcff, 0x20000, 0x3)

program did not crash
testing program (duration=44.414819755s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$binderfs-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x208041, &(0x7f0000000140)=ANY=[], 0x2, 0x238, &(0x7f0000000240)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x20)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x2, 0x0)
fadvise64(r0, 0xfcff, 0x20000, 0x3)

program did not crash
extracting C reproducer
testing compiled C program (duration=44.414819755s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$binderfs-fadvise64
program crashed: KASAN: vmalloc-out-of-bounds Read in z_erofs_lz4_decompress
simplifying C reproducer
testing compiled C program (duration=44.414819755s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$binderfs-fadvise64
program crashed: KASAN: vmalloc-out-of-bounds Read in z_erofs_lz4_decompress
testing compiled C program (duration=44.414819755s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$binderfs-fadvise64
program crashed: KASAN: vmalloc-out-of-bounds Read in z_erofs_lz4_decompress
testing compiled C program (duration=44.414819755s, {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:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-openat$binderfs-fadvise64
program crashed: KASAN: vmalloc-out-of-bounds Read in z_erofs_lz4_decompress
testing compiled C program (duration=44.414819755s, {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$erofs-openat-openat$binderfs-fadvise64
program crashed: KASAN: vmalloc-out-of-bounds Read in z_erofs_lz4_decompress
testing compiled C program (duration=44.414819755s, {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$erofs-openat-openat$binderfs-fadvise64
program crashed: KASAN: vmalloc-out-of-bounds Read in z_erofs_lz4_decompress
testing compiled C program (duration=44.414819755s, {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$erofs-openat-openat$binderfs-fadvise64
program crashed: KASAN: vmalloc-out-of-bounds Read in z_erofs_lz4_decompress
testing compiled C program (duration=44.414819755s, {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$erofs-openat-openat$binderfs-fadvise64
program crashed: KASAN: vmalloc-out-of-bounds Read in z_erofs_lz4_decompress
testing program (duration=44.414819755s, {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$erofs-openat-openat$binderfs-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x208041, &(0x7f0000000140)=ANY=[], 0x2, 0x238, &(0x7f0000000240)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x20)
openat$binderfs(0xffffffffffffff9c, &(0x7f00000001c0)='./binderfs/binder0\x00', 0x2, 0x0)
fadvise64(r0, 0xfcff, 0x20000, 0x3)

program crashed: KASAN: vmalloc-out-of-bounds Read in z_erofs_lz4_decompress
validation run: crashed=true
testing program (duration=44.414819755s, {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$erofs-openat-openat$binderfs-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x208041, &(0x7f0000000140)=ANY=[], 0x2, 0x238, &(0x7f0000000240)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x20)
openat$binderfs(0xffffffffffffff9c, &(0x7f00000001c0)='./binderfs/binder0\x00', 0x2, 0x0)
fadvise64(r0, 0xfcff, 0x20000, 0x3)

program crashed: KASAN: vmalloc-out-of-bounds Read in z_erofs_lz4_decompress
validation run: crashed=true
testing program (duration=44.414819755s, {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$erofs-openat-openat$binderfs-fadvise64
detailed listing:
executing program 0:
syz_mount_image$erofs(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x208041, &(0x7f0000000140)=ANY=[], 0x2, 0x238, &(0x7f0000000240)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x20)
openat$binderfs(0xffffffffffffff9c, &(0x7f00000001c0)='./binderfs/binder0\x00', 0x2, 0x0)
fadvise64(r0, 0xfcff, 0x20000, 0x3)

program crashed: KASAN: vmalloc-out-of-bounds Read in z_erofs_lz4_decompress
validation run: crashed=true
reproducing took 25m24.601330995s
repro crashed as (corrupted=false):
erofs: (device loop0): z_erofs_readahead: readahead error at page 46 @ nid 36
attempt to access beyond end of device
loop0: rw=524288, want=32, limit=16
erofs: (device loop0): z_erofs_lz4_decompress: failed to decompress -36 in[64, 4032] out[3537]
==================================================================
BUG: KASAN: vmalloc-out-of-bounds in hex_dump_to_buffer+0x3c0/0xd50 lib/hexdump.c:193
Read of size 1 at addr ffffc900013e9000 by task syz.0.17/4312

CPU: 0 PID: 4312 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 print_address_description+0x60/0x2d0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0xdf/0x130 mm/kasan/report.c:451
 hex_dump_to_buffer+0x3c0/0xd50 lib/hexdump.c:193
 print_hex_dump+0x136/0x260 lib/hexdump.c:276
 z_erofs_lz4_decompress+0xc7f/0x1180 fs/erofs/decompressor.c:243
 z_erofs_decompress_generic fs/erofs/decompressor.c:332 [inline]
 z_erofs_decompress+0x767/0xde0 fs/erofs/decompressor.c:410
 z_erofs_decompress_pcluster fs/erofs/zdata.c:980 [inline]
 z_erofs_decompress_queue+0x11a6/0x1990 fs/erofs/zdata.c:1058
 z_erofs_runqueue+0x164c/0x1890 fs/erofs/zdata.c:1370
 z_erofs_readahead+0xb81/0x10c0 fs/erofs/zdata.c:1459
 read_pages+0x165/0x920 mm/readahead.c:130
 page_cache_ra_unbounded+0x830/0x930 mm/readahead.c:239
 do_page_cache_ra mm/readahead.c:269 [inline]
 force_page_cache_ra+0x3e5/0x440 mm/readahead.c:301
 force_page_cache_readahead mm/internal.h:78 [inline]
 generic_fadvise+0x520/0x7d0 mm/fadvise.c:107
 vfs_fadvise mm/fadvise.c:186 [inline]
 ksys_fadvise64_64 mm/fadvise.c:200 [inline]
 __do_sys_fadvise64 mm/fadvise.c:215 [inline]
 __se_sys_fadvise64 mm/fadvise.c:213 [inline]
 __x64_sys_fadvise64+0x139/0x180 mm/fadvise.c:213
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f0495585749
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:00007fff43239b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd
RAX: ffffffffffffffda RBX: 00007f04957dbfa0 RCX: 00007f0495585749
RDX: 0000000000020000 RSI: 000000000000fcff RDI: 0000000000000004
RBP: 00007f0495609f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f04957dbfa0 R14: 00007f04957dbfa0 R15: 0000000000000004
 </TASK>


Memory state around the buggy address:
 ffffc900013e8f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900013e8f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc900013e9000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
                   ^
 ffffc900013e9080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc900013e9100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
==================================================================

final repro crashed as (corrupted=false):
erofs: (device loop0): z_erofs_readahead: readahead error at page 46 @ nid 36
attempt to access beyond end of device
loop0: rw=524288, want=32, limit=16
erofs: (device loop0): z_erofs_lz4_decompress: failed to decompress -36 in[64, 4032] out[3537]
==================================================================
BUG: KASAN: vmalloc-out-of-bounds in hex_dump_to_buffer+0x3c0/0xd50 lib/hexdump.c:193
Read of size 1 at addr ffffc900013e9000 by task syz.0.17/4312

CPU: 0 PID: 4312 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 print_address_description+0x60/0x2d0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0xdf/0x130 mm/kasan/report.c:451
 hex_dump_to_buffer+0x3c0/0xd50 lib/hexdump.c:193
 print_hex_dump+0x136/0x260 lib/hexdump.c:276
 z_erofs_lz4_decompress+0xc7f/0x1180 fs/erofs/decompressor.c:243
 z_erofs_decompress_generic fs/erofs/decompressor.c:332 [inline]
 z_erofs_decompress+0x767/0xde0 fs/erofs/decompressor.c:410
 z_erofs_decompress_pcluster fs/erofs/zdata.c:980 [inline]
 z_erofs_decompress_queue+0x11a6/0x1990 fs/erofs/zdata.c:1058
 z_erofs_runqueue+0x164c/0x1890 fs/erofs/zdata.c:1370
 z_erofs_readahead+0xb81/0x10c0 fs/erofs/zdata.c:1459
 read_pages+0x165/0x920 mm/readahead.c:130
 page_cache_ra_unbounded+0x830/0x930 mm/readahead.c:239
 do_page_cache_ra mm/readahead.c:269 [inline]
 force_page_cache_ra+0x3e5/0x440 mm/readahead.c:301
 force_page_cache_readahead mm/internal.h:78 [inline]
 generic_fadvise+0x520/0x7d0 mm/fadvise.c:107
 vfs_fadvise mm/fadvise.c:186 [inline]
 ksys_fadvise64_64 mm/fadvise.c:200 [inline]
 __do_sys_fadvise64 mm/fadvise.c:215 [inline]
 __se_sys_fadvise64 mm/fadvise.c:213 [inline]
 __x64_sys_fadvise64+0x139/0x180 mm/fadvise.c:213
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f0495585749
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:00007fff43239b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd
RAX: ffffffffffffffda RBX: 00007f04957dbfa0 RCX: 00007f0495585749
RDX: 0000000000020000 RSI: 000000000000fcff RDI: 0000000000000004
RBP: 00007f0495609f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f04957dbfa0 R14: 00007f04957dbfa0 R15: 0000000000000004
 </TASK>


Memory state around the buggy address:
 ffffc900013e8f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900013e8f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc900013e9000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
                   ^
 ffffc900013e9080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc900013e9100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
==================================================================