Extracting prog: 1m8.812964633s
Minimizing prog: 4m59.903812984s
Simplifying prog options: 0s
Extracting C: 24.101887322s
Simplifying C: 2m56.692365132s


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$ext4-chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=33.49206025s, {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$ext4-chdir-openat$dir-lseek
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)

program did not crash
testing program (duration=33.49206025s, {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$ext4-chdir-openat$dir-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
getdents(r0, 0x0, 0x54)

program did not crash
testing program (duration=33.49206025s, {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$ext4-chdir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
lseek(0xffffffffffffffff, 0xfffffffffffffffc, 0x2)
getdents(0xffffffffffffffff, 0x0, 0x54)

program did not crash
testing program (duration=33.49206025s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat$dir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program did not crash
testing program (duration=33.49206025s, {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}}): chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program did not crash
testing program (duration=33.49206025s, {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$ext4-chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program did not crash
testing program (duration=33.49206025s, {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$ext4-chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program did not crash
extracting C reproducer
testing compiled C program (duration=33.49206025s, {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$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
simplifying C reproducer
testing compiled C program (duration=33.49206025s, {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$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=33.49206025s, {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$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=33.49206025s, {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$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=33.49206025s, {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$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=33.49206025s, {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$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=33.49206025s, {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$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing program (duration=33.49206025s, {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$ext4-chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
validation run: crashed=true
testing program (duration=33.49206025s, {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$ext4-chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
validation run: crashed=true
testing program (duration=33.49206025s, {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$ext4-chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000001c0)='./file2\x00', 0x404, &(0x7f0000000000)={[{@block_validity}]}, 0x1, 0x44e, &(0x7f0000000cc0)="$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")
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)

program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
validation run: crashed=true
reproducing took 11m17.185825165s
repro crashed as (corrupted=false):
EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode
EXT4-fs (loop2): revision level too high, forcing read-only mode
EXT4-fs (loop2): orphan cleanup on readonly fs
EXT4-fs (loop2): 1 truncate cleaned up
EXT4-fs (loop2): mounted filesystem without journal. Opts: block_validity,,errors=continue
==================================================================
BUG: KASAN: slab-out-of-bounds in __ext4_check_dir_entry+0x7e3/0x990 fs/ext4/dir.c:85
Read of size 2 at addr ffff88810f7ec83c by task syz.2.17/388

CPU: 0 PID: 388 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x100/0x140 mm/kasan/report.c:452
 __asan_report_load2_noabort+0x14/0x20 mm/kasan/report_generic.c:307
 __ext4_check_dir_entry+0x7e3/0x990 fs/ext4/dir.c:85
 ext4_read_inline_dir+0x851/0xd00 fs/ext4/inline.c:1621
 ext4_readdir+0x3a0/0x3a80 fs/ext4/dir.c:161
 iterate_dir+0x25c/0x560 fs/readdir.c:-1
 __do_sys_getdents fs/readdir.c:286 [inline]
 __se_sys_getdents+0xf2/0x250 fs/readdir.c:271
 __x64_sys_getdents+0x7b/0x90 fs/readdir.c:271
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f94e770f019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd06414ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f94e7996fa0 RCX: 00007f94e770f019
RDX: 0000000000000054 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f94e77a600c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e7996fac R14: 00007f94e7996fa0 R15: 00007f94e7996fa0

Allocated by task 388:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:430 [inline]
 ____kasan_kmalloc mm/kasan/common.c:509 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518
 kasan_kmalloc include/linux/kasan.h:254 [inline]
 __kmalloc+0x19f/0x330 mm/slub.c:4038
 kmalloc include/linux/slab.h:560 [inline]
 ext4_read_inline_dir+0x24d/0xd00 fs/ext4/inline.c:1534
 ext4_readdir+0x3a0/0x3a80 fs/ext4/dir.c:161
 iterate_dir+0x25c/0x560 fs/readdir.c:-1
 __do_sys_getdents fs/readdir.c:286 [inline]
 __se_sys_getdents+0xf2/0x250 fs/readdir.c:271
 __x64_sys_getdents+0x7b/0x90 fs/readdir.c:271
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

The buggy address belongs to the object at ffff88810f7ec800
 which belongs to the cache kmalloc-64 of size 64
The buggy address is located 60 bytes inside of
 64-byte region [ffff88810f7ec800, ffff88810f7ec840)
The buggy address belongs to the page:
page:ffffea00043dfb00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10f7ec
flags: 0x4000000000000200(slab)
raw: 4000000000000200 dead000000000100 dead000000000122 ffff888100043800
raw: 0000000000000000 0000000080200020 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 95, ts 29165419973, free_ts 29160161929
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2456 [inline]
 prep_new_page+0x176/0x190 mm/page_alloc.c:2462
 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1813 [inline]
 new_slab+0x84/0x3f0 mm/slub.c:1874
 new_slab_objects mm/slub.c:2632 [inline]
 ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796
 __slab_alloc+0x63/0xa0 mm/slub.c:2836
 slab_alloc_node mm/slub.c:2918 [inline]
 slab_alloc mm/slub.c:2960 [inline]
 kmem_cache_alloc_trace+0x1a8/0x2e0 mm/slub.c:2977
 kmalloc include/linux/slab.h:555 [inline]
 kernfs_get_open_node fs/kernfs/file.c:552 [inline]
 kernfs_fop_open+0x8c0/0xbb0 fs/kernfs/file.c:698
 do_dentry_open+0x7a5/0x10a0 fs/open.c:819
 vfs_open+0x73/0x80 fs/open.c:944
 do_open fs/namei.c:3399 [inline]
 path_openat+0x26c3/0x3040 fs/namei.c:3517
 do_filp_open+0x1df/0x400 fs/namei.c:3544
 do_sys_openat2+0x19f/0x750 fs/open.c:1219
 do_sys_open fs/open.c:1235 [inline]
 __do_sys_openat fs/open.c:1251 [inline]
 __se_sys_openat fs/open.c:1246 [inline]
 __x64_sys_openat+0x136/0x160 fs/open.c:1246
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1349 [inline]
 free_pcp_prepare mm/page_alloc.c:1421 [inline]
 free_unref_page_prepare+0x2b7/0x2d0 mm/page_alloc.c:3336
 free_unref_page mm/page_alloc.c:3391 [inline]
 free_the_page mm/page_alloc.c:5443 [inline]
 __free_pages+0x146/0x390 mm/page_alloc.c:5454
 free_pages+0x82/0x90 mm/page_alloc.c:5465
 selinux_genfs_get_sid+0x20b/0x250 security/selinux/hooks.c:1332
 inode_doinit_with_dentry+0x879/0xd70 security/selinux/hooks.c:1529
 selinux_d_instantiate+0x27/0x40 security/selinux/hooks.c:6395
 security_d_instantiate+0x9e/0xf0 security/security.c:1980
 d_splice_alias+0x6d/0x390 fs/dcache.c:3038
 proc_sys_lookup+0x517/0x610 fs/proc/proc_sysctl.c:534
 __lookup_slow+0x2b8/0x410 fs/namei.c:1648
 lookup_slow+0x57/0x70 fs/namei.c:1665
 walk_component+0x326/0x460 fs/namei.c:1960
 lookup_last fs/namei.c:2411 [inline]
 path_lookupat+0x155/0x430 fs/namei.c:2435
 filename_lookup+0x1fd/0x660 fs/namei.c:2468
 user_path_at_empty+0x43/0x50 fs/namei.c:2748
 user_path_at include/linux/namei.h:60 [inline]
 do_mount fs/namespace.c:3346 [inline]
 __do_sys_mount fs/namespace.c:3557 [inline]
 __se_sys_mount+0x2eb/0x390 fs/namespace.c:3534

Memory state around the buggy address:
 ffff88810f7ec700: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88810f7ec780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88810f7ec800: 00 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc
                                        ^
 ffff88810f7ec880: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88810f7ec900: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
==================================================================
EXT4-fs error (device loop2): ext4_read_inline_dir:1622: inode #12: block 7: comm syz.2.17: path /0/file2/file0: bad entry in directory: rec_len is smaller than minimal - offset=76, inode=0, rec_len=0, size=80 fake=0

final repro crashed as (corrupted=false):
EXT4-fs (loop2): encrypted files will use data=ordered instead of data journaling mode
EXT4-fs (loop2): revision level too high, forcing read-only mode
EXT4-fs (loop2): orphan cleanup on readonly fs
EXT4-fs (loop2): 1 truncate cleaned up
EXT4-fs (loop2): mounted filesystem without journal. Opts: block_validity,,errors=continue
==================================================================
BUG: KASAN: slab-out-of-bounds in __ext4_check_dir_entry+0x7e3/0x990 fs/ext4/dir.c:85
Read of size 2 at addr ffff88810f7ec83c by task syz.2.17/388

CPU: 0 PID: 388 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x100/0x140 mm/kasan/report.c:452
 __asan_report_load2_noabort+0x14/0x20 mm/kasan/report_generic.c:307
 __ext4_check_dir_entry+0x7e3/0x990 fs/ext4/dir.c:85
 ext4_read_inline_dir+0x851/0xd00 fs/ext4/inline.c:1621
 ext4_readdir+0x3a0/0x3a80 fs/ext4/dir.c:161
 iterate_dir+0x25c/0x560 fs/readdir.c:-1
 __do_sys_getdents fs/readdir.c:286 [inline]
 __se_sys_getdents+0xf2/0x250 fs/readdir.c:271
 __x64_sys_getdents+0x7b/0x90 fs/readdir.c:271
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f94e770f019
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd06414ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f94e7996fa0 RCX: 00007f94e770f019
RDX: 0000000000000054 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f94e77a600c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f94e7996fac R14: 00007f94e7996fa0 R15: 00007f94e7996fa0

Allocated by task 388:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:430 [inline]
 ____kasan_kmalloc mm/kasan/common.c:509 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518
 kasan_kmalloc include/linux/kasan.h:254 [inline]
 __kmalloc+0x19f/0x330 mm/slub.c:4038
 kmalloc include/linux/slab.h:560 [inline]
 ext4_read_inline_dir+0x24d/0xd00 fs/ext4/inline.c:1534
 ext4_readdir+0x3a0/0x3a80 fs/ext4/dir.c:161
 iterate_dir+0x25c/0x560 fs/readdir.c:-1
 __do_sys_getdents fs/readdir.c:286 [inline]
 __se_sys_getdents+0xf2/0x250 fs/readdir.c:271
 __x64_sys_getdents+0x7b/0x90 fs/readdir.c:271
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

The buggy address belongs to the object at ffff88810f7ec800
 which belongs to the cache kmalloc-64 of size 64
The buggy address is located 60 bytes inside of
 64-byte region [ffff88810f7ec800, ffff88810f7ec840)
The buggy address belongs to the page:
page:ffffea00043dfb00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10f7ec
flags: 0x4000000000000200(slab)
raw: 4000000000000200 dead000000000100 dead000000000122 ffff888100043800
raw: 0000000000000000 0000000080200020 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 95, ts 29165419973, free_ts 29160161929
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2456 [inline]
 prep_new_page+0x176/0x190 mm/page_alloc.c:2462
 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1813 [inline]
 new_slab+0x84/0x3f0 mm/slub.c:1874
 new_slab_objects mm/slub.c:2632 [inline]
 ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796
 __slab_alloc+0x63/0xa0 mm/slub.c:2836
 slab_alloc_node mm/slub.c:2918 [inline]
 slab_alloc mm/slub.c:2960 [inline]
 kmem_cache_alloc_trace+0x1a8/0x2e0 mm/slub.c:2977
 kmalloc include/linux/slab.h:555 [inline]
 kernfs_get_open_node fs/kernfs/file.c:552 [inline]
 kernfs_fop_open+0x8c0/0xbb0 fs/kernfs/file.c:698
 do_dentry_open+0x7a5/0x10a0 fs/open.c:819
 vfs_open+0x73/0x80 fs/open.c:944
 do_open fs/namei.c:3399 [inline]
 path_openat+0x26c3/0x3040 fs/namei.c:3517
 do_filp_open+0x1df/0x400 fs/namei.c:3544
 do_sys_openat2+0x19f/0x750 fs/open.c:1219
 do_sys_open fs/open.c:1235 [inline]
 __do_sys_openat fs/open.c:1251 [inline]
 __se_sys_openat fs/open.c:1246 [inline]
 __x64_sys_openat+0x136/0x160 fs/open.c:1246
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1349 [inline]
 free_pcp_prepare mm/page_alloc.c:1421 [inline]
 free_unref_page_prepare+0x2b7/0x2d0 mm/page_alloc.c:3336
 free_unref_page mm/page_alloc.c:3391 [inline]
 free_the_page mm/page_alloc.c:5443 [inline]
 __free_pages+0x146/0x390 mm/page_alloc.c:5454
 free_pages+0x82/0x90 mm/page_alloc.c:5465
 selinux_genfs_get_sid+0x20b/0x250 security/selinux/hooks.c:1332
 inode_doinit_with_dentry+0x879/0xd70 security/selinux/hooks.c:1529
 selinux_d_instantiate+0x27/0x40 security/selinux/hooks.c:6395
 security_d_instantiate+0x9e/0xf0 security/security.c:1980
 d_splice_alias+0x6d/0x390 fs/dcache.c:3038
 proc_sys_lookup+0x517/0x610 fs/proc/proc_sysctl.c:534
 __lookup_slow+0x2b8/0x410 fs/namei.c:1648
 lookup_slow+0x57/0x70 fs/namei.c:1665
 walk_component+0x326/0x460 fs/namei.c:1960
 lookup_last fs/namei.c:2411 [inline]
 path_lookupat+0x155/0x430 fs/namei.c:2435
 filename_lookup+0x1fd/0x660 fs/namei.c:2468
 user_path_at_empty+0x43/0x50 fs/namei.c:2748
 user_path_at include/linux/namei.h:60 [inline]
 do_mount fs/namespace.c:3346 [inline]
 __do_sys_mount fs/namespace.c:3557 [inline]
 __se_sys_mount+0x2eb/0x390 fs/namespace.c:3534

Memory state around the buggy address:
 ffff88810f7ec700: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88810f7ec780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88810f7ec800: 00 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc
                                        ^
 ffff88810f7ec880: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88810f7ec900: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
==================================================================
EXT4-fs error (device loop2): ext4_read_inline_dir:1622: inode #12: block 7: comm syz.2.17: path /0/file2/file0: bad entry in directory: rec_len is smaller than minimal - offset=76, inode=0, rec_len=0, size=80 fake=0