Extracting prog: 2m27.549404255s
Minimizing prog: 4m55.83910371s
Simplifying prog options: 0s
Extracting C: 35.680568505s
Simplifying C: 6m17.297509537s


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:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-mount$bind
detailed listing:
executing program 0:
syz_mount_image$hfsplus(&(0x7f0000000040), &(0x7f0000000640)='./file0\x00', 0x200007, &(0x7f0000000540)=ANY=[@ANYBLOB="6e6f6465636f6d706f7365008000000000000042000fc32c6e6f636172726965722c6e6f6465636e6d706f736500a580263e005a80c976898113cb9f4680642ce86dd3b5d3ba4a739e6654e4a1277ef2dd52ea98c5ea630da0c29cd73f8b9f4fd077e97f3ec1acc1ac91b93eec369217142e5897"], 0x1, 0x5f5, &(0x7f0000000c80)="$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")
mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)

program crashed: KASAN: slab-out-of-bounds Read in hfsplus_uni2asc
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=1m6.185612949s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus
detailed listing:
executing program 0:
syz_mount_image$hfsplus(&(0x7f0000000040), &(0x7f0000000640)='./file0\x00', 0x200007, &(0x7f0000000540)=ANY=[@ANYBLOB="6e6f6465636f6d706f7365008000000000000042000fc32c6e6f636172726965722c6e6f6465636e6d706f736500a580263e005a80c976898113cb9f4680642ce86dd3b5d3ba4a739e6654e4a1277ef2dd52ea98c5ea630da0c29cd73f8b9f4fd077e97f3ec1acc1ac91b93eec369217142e5897"], 0x1, 0x5f5, &(0x7f0000000c80)="$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")

program did not crash
testing program (duration=1m6.185612949s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount$bind
detailed listing:
executing program 0:
mount$bind(&(0x7f0000000000)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)

program did not crash
testing program (duration=1m6.185612949s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-mount$bind
detailed listing:
executing program 0:
syz_mount_image$hfsplus(&(0x7f0000000040), &(0x7f0000000640)='./file0\x00', 0x200007, &(0x7f0000000540)=ANY=[@ANYBLOB="6e6f6465636f6d706f7365008000000000000042000fc32c6e6f636172726965722c6e6f6465636e6d706f736500a580263e005a80c976898113cb9f4680642ce86dd3b5d3ba4a739e6654e4a1277ef2dd52ea98c5ea630da0c29cd73f8b9f4fd077e97f3ec1acc1ac91b93eec369217142e5897"], 0x1, 0x5f5, &(0x7f0000000c80)="$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")
mount$bind(0x0, &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)

program did not crash
testing program (duration=1m6.185612949s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-mount$bind
detailed listing:
executing program 0:
syz_mount_image$hfsplus(&(0x7f0000000040), &(0x7f0000000640)='./file0\x00', 0x200007, &(0x7f0000000540)=ANY=[@ANYBLOB="6e6f6465636f6d706f7365008000000000000042000fc32c6e6f636172726965722c6e6f6465636e6d706f736500a580263e005a80c976898113cb9f4680642ce86dd3b5d3ba4a739e6654e4a1277ef2dd52ea98c5ea630da0c29cd73f8b9f4fd077e97f3ec1acc1ac91b93eec369217142e5897"], 0x1, 0x5f5, &(0x7f0000000c80)="$eJzs3U9rHOcdB/DvrKy1pIK9duwkLoWKFEKJqa0/TqpCoWmaFlFCCfQSCDmIWoqF106QNkXJoailr6CvIKWoh5x66Km0kEPPfQsqORZ68kU3hZmd1a7ltSxbjnadfD4wO8+zzzzP/J6fZ4aZFWYCfGMtv5PJ7RRZvvrWVlnf3Vls7+4s3umVk5xN0kimkhTl139P8kWyne6SK72GgfUD3ptp3vvs3Str3dpUvVTbF0f1O57tnJ84qDSStE46Xj23cpyFE4/Xn+Fskov1GkZuv+e/Q5tPeF4CAOOsSCaGfd9KZuqb9fI5oHtX3L3HfqZtjzoAAAAAOAXn97KXrZwbdRwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADwLKnf/1/US6NXnk3Re/9/s/4udfmZ9vmoAwAAAAAAAACAp+C7e9nLVs716vtF9Tf/l6rKperzW/kom1nNRq5lKyvppJONzCdpDQzU3FrpdDbmj9FzYWjPhdOZLwAAAAAAAAB8Tf0hy/2//wMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwDgokonuqlou9cqtNM4kmUrSLLfbTv7ZKz/LPh91AAAAAHAKzu9lL1s516vvF9Uz//PVc/9UPsrddLKeTtpZzc3qt4DuU39jd2exvbuzeKdcHhz3p/9/rDCqEdP97WH4nufKLfYnDnos5xf5da5mNm9nI+v5bVbSyWpm82ZVWkmRVv3rRasX5/B4X7+v9vajYn2xinU6a1mvYruW3+SDtHMzjWoO1TZH7/H3ZXaKn9SOmaOb9bqc0S/r9VN1+Uk7tqqMTB5kZK7OfZmNC0dn4iHHycPmdnhP82kc/AZ16SvI+cxAPG9+FTl/YoczsTBw9D1/dCaSl//yp3u32ndv31rbvDo+U3pChzOxOJCJF75RmWjW2eheJRsDJ/Sjr5YvVX3PZT2/yge5mdW8lhtZykJezY3M50d5dSCvl49xrjUe71z73vfrwmSSn9fr8VDm9cJAXgevdK2qbfCbfpYuPv0r0plv14XyYH1j7K5IFw5dm3uZeO7oTPx5v/zcbN+9vXFr5cNj7u/lel1m4GdjlYnyeLlY/mNVtfuPjrLtuaFt81XbpYO2xgNtlw/aHnWmNut7uAdGml6o2l4YupfFqu3FgbZhdzkAjL2ZV2aa0/+b/s/0p9N/nL41/dbUG2eXzn6nmcl/n/nHxN8af238uHgln+Z3/ed/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAADgyW1+/MntlXZ7dUPhNAuvj0cYCmNe6L1H63F69d6HdcK9j/CiBJyK6507H17f/PiTH6zfWXl/9f3VuzeWfrj42o35paXra+vt1bnu56ijBACepv5N/6gjAQAAAAAAAAAAAAAAHuY0/jPzqOcIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB8vS2/k8ntFJmfuzZX1nd3Ftvl0iv3t5xKUpSFfyX5ItlOd0lrYLjiYft5b6Z577N3r6z1x5rqbV8c1e947oulcSimk463cOLx+jOcTXKxXsPIfRkAAP//XbL87w==")
mount$bind(&(0x7f0000000000)='.\x00', 0x0, 0x0, 0x101091, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m6.185612949s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-mount$bind
program crashed: KASAN: slab-out-of-bounds Read in hfsplus_uni2asc
simplifying C reproducer
testing compiled C program (duration=1m6.185612949s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-mount$bind
program crashed: KASAN: slab-out-of-bounds Read in hfsplus_uni2asc
testing compiled C program (duration=1m6.185612949s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-mount$bind
program crashed: KASAN: slab-out-of-bounds Read in hfsplus_uni2asc
testing compiled C program (duration=1m6.185612949s, {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:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-mount$bind
program crashed: KASAN: slab-out-of-bounds Read in hfsplus_uni2asc
testing compiled C program (duration=1m6.185612949s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-mount$bind
program crashed: KASAN: slab-out-of-bounds Read in hfsplus_uni2asc
testing compiled C program (duration=1m6.185612949s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-mount$bind
program did not crash
testing compiled C program (duration=1m6.185612949s, {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:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-mount$bind
program crashed: KASAN: slab-out-of-bounds Read in hfsplus_uni2asc
testing compiled C program (duration=1m6.185612949s, {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:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-mount$bind
program crashed: KASAN: slab-out-of-bounds Read in hfsplus_uni2asc
reproducing took 14m16.366612893s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-out-of-bounds in hfsplus_uni2asc+0x57f/0x1200 fs/hfsplus/unicode.c:179
Read of size 2 at addr ffff8880002d840c by task syz-executor615/5302

CPU: 0 UID: 0 PID: 5302 Comm: syz-executor615 Not tainted 6.14.0-rc5-syzkaller-00039-g848e07631744 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:408 [inline]
 print_report+0x16e/0x5b0 mm/kasan/report.c:521
 kasan_report+0x143/0x180 mm/kasan/report.c:634
 hfsplus_uni2asc+0x57f/0x1200 fs/hfsplus/unicode.c:179
 hfsplus_readdir+0x938/0x1320 fs/hfsplus/dir.c:207
 iterate_dir+0x5a9/0x760 fs/readdir.c:108
 __do_sys_getdents64 fs/readdir.c:403 [inline]
 __se_sys_getdents64+0x1e2/0x4b0 fs/readdir.c:389
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe5f0c48ea3
Code: c1 66 0f 1f 44 00 00 48 83 c4 08 48 89 ef 5b 5d e9 92 48 fb ff 66 90 b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8
RSP: 002b:00007ffd55f52848 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 000055555b2c4730 RCX: 00007fe5f0c48ea3
RDX: 0000000000008000 RSI: 000055555b2c4730 RDI: 0000000000000004
RBP: 000055555b2c4704 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000293 R12: ffffffffffffffb8
R13: 0000000000000010 R14: 000055555b2c4700 R15: 431bde82d7b634db
 </TASK>

Allocated by task 5302:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __do_kmalloc_node mm/slub.c:4294 [inline]
 __kmalloc_noprof+0x285/0x4c0 mm/slub.c:4306
 kmalloc_noprof include/linux/slab.h:905 [inline]
 hfsplus_find_init+0x85/0x1c0 fs/hfsplus/bfind.c:21
 hfsplus_readdir+0x20b/0x1320 fs/hfsplus/dir.c:144
 iterate_dir+0x5a9/0x760 fs/readdir.c:108
 __do_sys_getdents64 fs/readdir.c:403 [inline]
 __se_sys_getdents64+0x1e2/0x4b0 fs/readdir.c:389
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff8880002d8000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 0 bytes to the right of
 allocated 1036-byte region [ffff8880002d8000, ffff8880002d840c)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2d8
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x7ff00000000040(head|node=0|zone=0|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 007ff00000000040 ffff88801b042000 dead000000000100 dead000000000122
raw: 0000000000000000 0000000080080008 00000000f5000000 0000000000000000
head: 007ff00000000040 ffff88801b042000 dead000000000100 dead000000000122
head: 0000000000000000 0000000080080008 00000000f5000000 0000000000000000
head: 007ff00000000003 ffffea000000b601 ffffffffffffffff 0000000000000000
head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4715, tgid 4715 (klogd), ts 24211151640, free_ts 23505581685
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739
 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270
 alloc_slab_page mm/slub.c:2423 [inline]
 allocate_slab+0x8f/0x3a0 mm/slub.c:2587
 new_slab mm/slub.c:2640 [inline]
 ___slab_alloc+0xc27/0x14a0 mm/slub.c:3826
 __slab_alloc+0x58/0xa0 mm/slub.c:3916
 __slab_alloc_node mm/slub.c:3991 [inline]
 slab_alloc_node mm/slub.c:4152 [inline]
 __kmalloc_cache_noprof+0x27b/0x390 mm/slub.c:4320
 kmalloc_noprof include/linux/slab.h:901 [inline]
 syslog_print+0x110/0x630 kernel/printk/printk.c:1607
 do_syslog+0x3c2/0x820 kernel/printk/printk.c:1785
 __do_sys_syslog kernel/printk/printk.c:1877 [inline]
 __se_sys_syslog kernel/printk/printk.c:1875 [inline]
 __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1875
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 4693 tgid 4693 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
 discard_slab mm/slub.c:2684 [inline]
 __put_partials+0x160/0x1c0 mm/slub.c:3153
 put_cpu_partial+0x17c/0x250 mm/slub.c:3228
 __slab_free+0x290/0x380 mm/slub.c:4479
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4115 [inline]
 slab_alloc_node mm/slub.c:4164 [inline]
 kmem_cache_alloc_noprof+0x1d9/0x380 mm/slub.c:4171
 getname_flags+0xb7/0x540 fs/namei.c:139
 do_sys_openat2+0xd2/0x1d0 fs/open.c:1422
 do_sys_open fs/open.c:1443 [inline]
 __do_sys_openat fs/open.c:1459 [inline]
 __se_sys_openat fs/open.c:1454 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1454
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff8880002d8300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880002d8380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880002d8400: 00 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                      ^
 ffff8880002d8480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8880002d8500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-out-of-bounds in hfsplus_uni2asc+0x57f/0x1200 fs/hfsplus/unicode.c:179
Read of size 2 at addr ffff8880002d840c by task syz-executor615/5302

CPU: 0 UID: 0 PID: 5302 Comm: syz-executor615 Not tainted 6.14.0-rc5-syzkaller-00039-g848e07631744 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:408 [inline]
 print_report+0x16e/0x5b0 mm/kasan/report.c:521
 kasan_report+0x143/0x180 mm/kasan/report.c:634
 hfsplus_uni2asc+0x57f/0x1200 fs/hfsplus/unicode.c:179
 hfsplus_readdir+0x938/0x1320 fs/hfsplus/dir.c:207
 iterate_dir+0x5a9/0x760 fs/readdir.c:108
 __do_sys_getdents64 fs/readdir.c:403 [inline]
 __se_sys_getdents64+0x1e2/0x4b0 fs/readdir.c:389
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe5f0c48ea3
Code: c1 66 0f 1f 44 00 00 48 83 c4 08 48 89 ef 5b 5d e9 92 48 fb ff 66 90 b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8
RSP: 002b:00007ffd55f52848 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 000055555b2c4730 RCX: 00007fe5f0c48ea3
RDX: 0000000000008000 RSI: 000055555b2c4730 RDI: 0000000000000004
RBP: 000055555b2c4704 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000293 R12: ffffffffffffffb8
R13: 0000000000000010 R14: 000055555b2c4700 R15: 431bde82d7b634db
 </TASK>

Allocated by task 5302:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __do_kmalloc_node mm/slub.c:4294 [inline]
 __kmalloc_noprof+0x285/0x4c0 mm/slub.c:4306
 kmalloc_noprof include/linux/slab.h:905 [inline]
 hfsplus_find_init+0x85/0x1c0 fs/hfsplus/bfind.c:21
 hfsplus_readdir+0x20b/0x1320 fs/hfsplus/dir.c:144
 iterate_dir+0x5a9/0x760 fs/readdir.c:108
 __do_sys_getdents64 fs/readdir.c:403 [inline]
 __se_sys_getdents64+0x1e2/0x4b0 fs/readdir.c:389
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff8880002d8000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 0 bytes to the right of
 allocated 1036-byte region [ffff8880002d8000, ffff8880002d840c)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2d8
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x7ff00000000040(head|node=0|zone=0|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 007ff00000000040 ffff88801b042000 dead000000000100 dead000000000122
raw: 0000000000000000 0000000080080008 00000000f5000000 0000000000000000
head: 007ff00000000040 ffff88801b042000 dead000000000100 dead000000000122
head: 0000000000000000 0000000080080008 00000000f5000000 0000000000000000
head: 007ff00000000003 ffffea000000b601 ffffffffffffffff 0000000000000000
head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4715, tgid 4715 (klogd), ts 24211151640, free_ts 23505581685
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
 prep_new_page mm/page_alloc.c:1559 [inline]
 get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
 __alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739
 alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270
 alloc_slab_page mm/slub.c:2423 [inline]
 allocate_slab+0x8f/0x3a0 mm/slub.c:2587
 new_slab mm/slub.c:2640 [inline]
 ___slab_alloc+0xc27/0x14a0 mm/slub.c:3826
 __slab_alloc+0x58/0xa0 mm/slub.c:3916
 __slab_alloc_node mm/slub.c:3991 [inline]
 slab_alloc_node mm/slub.c:4152 [inline]
 __kmalloc_cache_noprof+0x27b/0x390 mm/slub.c:4320
 kmalloc_noprof include/linux/slab.h:901 [inline]
 syslog_print+0x110/0x630 kernel/printk/printk.c:1607
 do_syslog+0x3c2/0x820 kernel/printk/printk.c:1785
 __do_sys_syslog kernel/printk/printk.c:1877 [inline]
 __se_sys_syslog kernel/printk/printk.c:1875 [inline]
 __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1875
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 4693 tgid 4693 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe0d/0x10e0 mm/page_alloc.c:2660
 discard_slab mm/slub.c:2684 [inline]
 __put_partials+0x160/0x1c0 mm/slub.c:3153
 put_cpu_partial+0x17c/0x250 mm/slub.c:3228
 __slab_free+0x290/0x380 mm/slub.c:4479
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:250 [inline]
 slab_post_alloc_hook mm/slub.c:4115 [inline]
 slab_alloc_node mm/slub.c:4164 [inline]
 kmem_cache_alloc_noprof+0x1d9/0x380 mm/slub.c:4171
 getname_flags+0xb7/0x540 fs/namei.c:139
 do_sys_openat2+0xd2/0x1d0 fs/open.c:1422
 do_sys_open fs/open.c:1443 [inline]
 __do_sys_openat fs/open.c:1459 [inline]
 __se_sys_openat fs/open.c:1454 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1454
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff8880002d8300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880002d8380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880002d8400: 00 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                      ^
 ffff8880002d8480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8880002d8500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================