Extracting prog: 1m11.456887767s
Minimizing prog: 5m4.077311785s
Simplifying prog options: 0s
Extracting C: 48.367951932s
Simplifying C: 3m0.318140571s
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$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek
detailed listing:
executing program 0:
syz_mount_image$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=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-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$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
getdents(r0, 0x0, 0x54)
program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-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=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$ext4-openat$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$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)
program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): chdir-openat$dir-lseek-getdents
detailed listing:
executing program 0:
chdir(&(0x7f0000000240)='./file0\x00')
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)
program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$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)="$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")
chdir(0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)
program did not crash
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$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)
program did not crash
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-openat$dir-lseek-getdents
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$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=30s, {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$dir(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0)
lseek(r0, 0xfffffffffffffffc, 0x2)
getdents(r0, 0x0, 0x54)
program crashed: KASAN: slab-out-of-bounds Read in __ext4_check_dir_entry
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$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 11m39.911248737s
repro crashed as (corrupted=false):
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. Quota mode: none.
==================================================================
BUG: KASAN: slab-out-of-bounds in __ext4_check_dir_entry+0x7e3/0x990 fs/ext4/dir.c:85
Read of size 2 at addr ffff8881150207bc by task syz.2.17/375
CPU: 1 PID: 375 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:88
dump_stack_lvl+0x110/0x170 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_load2_noabort+0x14/0x20 mm/kasan/report_generic.c:349
__ext4_check_dir_entry+0x7e3/0x990 fs/ext4/dir.c:85
ext4_read_inline_dir+0x937/0xd90 fs/ext4/inline.c:1610
ext4_readdir+0x3c2/0x3c10 fs/ext4/dir.c:161
iterate_dir+0x26d/0x610 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
x64_sys_call+0x212/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:79
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f454119e159
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:00007fffbf85fe48 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f4541425fa0 RCX: 00007f454119e159
RDX: 0000000000000054 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f454123503b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4541425fac R14: 00007f4541425fa0 R15: 00007f4541425fa0
Allocated by task 375:
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
____kasan_kmalloc mm/kasan/common.c:380 [inline]
__kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
kasan_kmalloc include/linux/kasan.h:212 [inline]
__do_kmalloc_node mm/slab_common.c:938 [inline]
__kmalloc+0xb4/0x1e0 mm/slab_common.c:951
kmalloc include/linux/slab.h:568 [inline]
ext4_read_inline_dir+0x2b6/0xd90 fs/ext4/inline.c:1523
ext4_readdir+0x3c2/0x3c10 fs/ext4/dir.c:161
iterate_dir+0x26d/0x610 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
x64_sys_call+0x212/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:79
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
The buggy address belongs to the object at ffff888115020780
which belongs to the cache kmalloc-64 of size 64
The buggy address is located 60 bytes inside of
64-byte region [ffff888115020780, ffff8881150207c0)
The buggy address belongs to the physical page:
page:ffffea0004540800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x115020
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 ffffea0004500b80 dead000000000003 ffff888100042780
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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 114, tgid 114 (udevadm), ts 3904591698, free_ts 0
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2673
prep_new_page+0x1c/0x110 mm/page_alloc.c:2680
get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4587
__alloc_pages+0x1fa/0x610 mm/page_alloc.c:5931
alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
allocate_slab mm/slub.c:1967 [inline]
new_slab+0x98/0x3e0 mm/slub.c:2020
___slab_alloc+0x70f/0xb70 mm/slub.c:3177
__slab_alloc+0x5e/0xa0 mm/slub.c:3263
slab_alloc_node mm/slub.c:3348 [inline]
__kmem_cache_alloc_node+0x204/0x2d0 mm/slub.c:3423
__do_kmalloc_node mm/slab_common.c:937 [inline]
__kmalloc+0xa4/0x1e0 mm/slab_common.c:951
kmalloc include/linux/slab.h:568 [inline]
kzalloc include/linux/slab.h:699 [inline]
kobject_get_path+0xbf/0x200 lib/kobject.c:152
kobject_uevent_env+0x29f/0x720 lib/kobject_uevent.c:544
kobject_synth_uevent+0x457/0x940 lib/kobject_uevent.c:208
uevent_store+0x25/0x70 drivers/base/core.c:2690
dev_attr_store+0x6c/0x90 drivers/base/core.c:2389
sysfs_kf_write+0x137/0x150 fs/sysfs/file.c:136
page_owner free stack trace missing
Memory state around the buggy address:
ffff888115020680: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
ffff888115020700: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff888115020780: 00 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc
^
ffff888115020800: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc
ffff888115020880: 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:1611: 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): 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. Quota mode: none.
==================================================================
BUG: KASAN: slab-out-of-bounds in __ext4_check_dir_entry+0x7e3/0x990 fs/ext4/dir.c:85
Read of size 2 at addr ffff8881150207bc by task syz.2.17/375
CPU: 1 PID: 375 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:88
dump_stack_lvl+0x110/0x170 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_load2_noabort+0x14/0x20 mm/kasan/report_generic.c:349
__ext4_check_dir_entry+0x7e3/0x990 fs/ext4/dir.c:85
ext4_read_inline_dir+0x937/0xd90 fs/ext4/inline.c:1610
ext4_readdir+0x3c2/0x3c10 fs/ext4/dir.c:161
iterate_dir+0x26d/0x610 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
x64_sys_call+0x212/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:79
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f454119e159
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:00007fffbf85fe48 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f4541425fa0 RCX: 00007f454119e159
RDX: 0000000000000054 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f454123503b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4541425fac R14: 00007f4541425fa0 R15: 00007f4541425fa0
Allocated by task 375:
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
____kasan_kmalloc mm/kasan/common.c:380 [inline]
__kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
kasan_kmalloc include/linux/kasan.h:212 [inline]
__do_kmalloc_node mm/slab_common.c:938 [inline]
__kmalloc+0xb4/0x1e0 mm/slab_common.c:951
kmalloc include/linux/slab.h:568 [inline]
ext4_read_inline_dir+0x2b6/0xd90 fs/ext4/inline.c:1523
ext4_readdir+0x3c2/0x3c10 fs/ext4/dir.c:161
iterate_dir+0x26d/0x610 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
x64_sys_call+0x212/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:79
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
The buggy address belongs to the object at ffff888115020780
which belongs to the cache kmalloc-64 of size 64
The buggy address is located 60 bytes inside of
64-byte region [ffff888115020780, ffff8881150207c0)
The buggy address belongs to the physical page:
page:ffffea0004540800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x115020
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 ffffea0004500b80 dead000000000003 ffff888100042780
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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 114, tgid 114 (udevadm), ts 3904591698, free_ts 0
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2673
prep_new_page+0x1c/0x110 mm/page_alloc.c:2680
get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4587
__alloc_pages+0x1fa/0x610 mm/page_alloc.c:5931
alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
allocate_slab mm/slub.c:1967 [inline]
new_slab+0x98/0x3e0 mm/slub.c:2020
___slab_alloc+0x70f/0xb70 mm/slub.c:3177
__slab_alloc+0x5e/0xa0 mm/slub.c:3263
slab_alloc_node mm/slub.c:3348 [inline]
__kmem_cache_alloc_node+0x204/0x2d0 mm/slub.c:3423
__do_kmalloc_node mm/slab_common.c:937 [inline]
__kmalloc+0xa4/0x1e0 mm/slab_common.c:951
kmalloc include/linux/slab.h:568 [inline]
kzalloc include/linux/slab.h:699 [inline]
kobject_get_path+0xbf/0x200 lib/kobject.c:152
kobject_uevent_env+0x29f/0x720 lib/kobject_uevent.c:544
kobject_synth_uevent+0x457/0x940 lib/kobject_uevent.c:208
uevent_store+0x25/0x70 drivers/base/core.c:2690
dev_attr_store+0x6c/0x90 drivers/base/core.c:2389
sysfs_kf_write+0x137/0x150 fs/sysfs/file.c:136
page_owner free stack trace missing
Memory state around the buggy address:
ffff888115020680: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
ffff888115020700: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff888115020780: 00 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc
^
ffff888115020800: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc
ffff888115020880: 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:1611: 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