Extracting prog: 2m24.712216683s
Minimizing prog: 7m34.648461654s
Simplifying prog options: 0s
Extracting C: 46.144193266s
Simplifying C: 9m21.19491529s


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: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$hfs-creat-mknodat
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000080)='./file1\x00', 0x84, &(0x7f00000000c0)=ANY=[@ANYRES32=0x0], 0x8b, 0x2bb, &(0x7f00000009c0)="$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")
creat(&(0x7f0000000040)='./file8\x00', 0x10)
mknodat(0xffffffffffffff9c, &(0x7f0000000100)='./file3\x00', 0x0, 0x0)

program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=1m7.335948039s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000080)='./file1\x00', 0x84, &(0x7f00000000c0)=ANY=[@ANYRES32=0x0], 0x8b, 0x2bb, &(0x7f00000009c0)="$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")
creat(&(0x7f0000000040)='./file8\x00', 0x10)

program did not crash
testing program (duration=1m7.335948039s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-mknodat
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000080)='./file1\x00', 0x84, &(0x7f00000000c0)=ANY=[@ANYRES32=0x0], 0x8b, 0x2bb, &(0x7f00000009c0)="$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")
mknodat(0xffffffffffffff9c, &(0x7f0000000100)='./file3\x00', 0x0, 0x0)

program did not crash
testing program (duration=1m7.335948039s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat-mknodat
detailed listing:
executing program 0:
creat(&(0x7f0000000040)='./file8\x00', 0x10)
mknodat(0xffffffffffffff9c, &(0x7f0000000100)='./file3\x00', 0x0, 0x0)

program did not crash
testing program (duration=1m7.335948039s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat-mknodat
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000080)='./file1\x00', 0x84, &(0x7f00000000c0)=ANY=[@ANYRES32=0x0], 0x8b, 0x2bb, &(0x7f00000009c0)="$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")
creat(0x0, 0x10)
mknodat(0xffffffffffffff9c, &(0x7f0000000100)='./file3\x00', 0x0, 0x0)

program did not crash
testing program (duration=1m7.335948039s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat-mknodat
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000180), &(0x7f0000000080)='./file1\x00', 0x84, &(0x7f00000000c0)=ANY=[@ANYRES32=0x0], 0x8b, 0x2bb, &(0x7f00000009c0)="$eJzs3U9rE0EYx/Hf7KZJamtdbUUQD1ItepK2XsRLQIqvwYuiNhGKocVaQb0YPIsvwLsXX4AvwpMInvXkyRfQ28pMJs1ss5s0Lc22+P1Ams3u/Hlms8nOs5CuAPy37q39+nz7j30YKVYs6a4U2U1XVZF0UZfqrzZ3NnbareawhmKpLvcwkqtpBsqsb7byqtp6roaX2FcVzYbrcDzSNE1/lx0EylT3z3Hexkiq+U9nHBY+Tab2ve7EUqekWE4Ks6tdvdZc2XEAAMpluuf3yJ/nZ/38PYqkJX/aD8//P8+WHO/R3NBu2SGULDj/uywrNfb9Pec29fM9l8LZ7VEvSxy3Hzt5rKp7ZGUmmCabVQ4miy6WaPrZRrt1a32r3Yz0Xg3HhHnhgqSGmj5n9TLRDja9mLMuq6qi1sYy48YwZcew2o+/0QiKzOd1evgeRzPfzHfzyCT6pObe/K+SmnDM/p26P9WPf7moua0XD+1z0i1VMMrzrpPL2R07dJRxUUYiv6fSWNkLBEk2zmpurar21eqObqWoJ9/OfG6t1RG1FmytL0Gt/tFcXPO4mY/mgVnUX33VWjD/j+zeXtLgJzO/EVfSHxlDx1NxJZNwVedKbslo/LFgTP19/EFPdUdzL9+8ff6k3W5tT3rBxjDxTlnoLvQOgpMSz+EW7HdsuEZJa7symd6rR951dY0qUwsLZ0e6f6H3sT5A770LeCMjnPA3E0rRf9OLy7ybZECYNPvlYbr5X5CvLLsUyf5JhszT01HTtqDFlZzcoLZX8EzQkvHX54szoJncDK6jMXKuazel68HKETlXogvS9NCxniZmTT/0mOv/AAAAAAAAAAAAAAAAAAAAp80kfq0RdMd/9AEAAAAAAAAAAAAAAAAAAAAA4BCK7/9b1zHe/zfzO4AD3/+3doSBAhjwLwAA///073LE")
creat(&(0x7f0000000040)='./file8\x00', 0x10)
mknodat(0xffffffffffffff9c, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m7.335948039s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat-mknodat
program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read
simplifying C reproducer
testing compiled C program (duration=1m7.335948039s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat-mknodat
program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read
testing compiled C program (duration=1m7.335948039s, {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$hfs-creat-mknodat
program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read
testing compiled C program (duration=1m7.335948039s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat-mknodat
program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read
testing compiled C program (duration=1m7.335948039s, {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$hfs-creat-mknodat
program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read
testing compiled C program (duration=1m7.335948039s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat-mknodat
program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read
testing compiled C program (duration=1m7.335948039s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat-mknodat
program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read
testing compiled C program (duration=1m7.335948039s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-creat-mknodat
program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read
reproducing took 20m6.699822043s
repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 64
==================================================================
BUG: KASAN: slab-out-of-bounds in memcpy_from_page include/linux/highmem.h:423 [inline]
BUG: KASAN: slab-out-of-bounds in hfs_bnode_read+0x167/0x200 fs/hfs/bnode.c:35
Write of size 94 at addr ffff8880282d8f80 by task syz-executor240/5818

CPU: 0 UID: 0 PID: 5818 Comm: syz-executor240 Not tainted 6.14.0-rc5-syzkaller-00218-g2a520073e74f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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
 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189
 __asan_memcpy+0x40/0x70 mm/kasan/shadow.c:106
 memcpy_from_page include/linux/highmem.h:423 [inline]
 hfs_bnode_read+0x167/0x200 fs/hfs/bnode.c:35
 hfs_bnode_read_key+0x172/0x240 fs/hfs/bnode.c:70
 hfs_brec_insert+0x7f3/0xbd0 fs/hfs/brec.c:159
 hfs_cat_create+0x3dc/0x760 fs/hfs/catalog.c:118
 hfs_create+0x66/0xe0 fs/hfs/dir.c:202
 vfs_create+0x23c/0x3d0 fs/namei.c:3350
 do_mknodat+0x447/0x5b0 fs/namei.c:4241
 __do_sys_mknodat fs/namei.c:4269 [inline]
 __se_sys_mknodat fs/namei.c:4266 [inline]
 __x64_sys_mknodat+0xa7/0xc0 fs/namei.c:4266
 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: 0033:0x7fccee842ad9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff34d47968 EFLAGS: 00000246 ORIG_RAX: 0000000000000103
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fccee842ad9
RDX: 0000000000000000 RSI: 0000400000000100 RDI: 00000000ffffff9c
RBP: 00007fccee8b65f0 R08: 0000555566a524c0 R09: 0000555566a524c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff34d47990
R13: 00007fff34d47bb8 R14: 431bde82d7b634db R15: 00007fccee88b03b
 </TASK>

Allocated by task 5818:
 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]
 hfs_find_init+0x90/0x1f0 fs/hfs/bfind.c:21
 hfs_cat_create+0x17f/0x760 fs/hfs/catalog.c:96
 hfs_create+0x66/0xe0 fs/hfs/dir.c:202
 vfs_create+0x23c/0x3d0 fs/namei.c:3350
 do_mknodat+0x447/0x5b0 fs/namei.c:4241
 __do_sys_mknodat fs/namei.c:4269 [inline]
 __se_sys_mknodat fs/namei.c:4266 [inline]
 __x64_sys_mknodat+0xa7/0xc0 fs/namei.c:4266
 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 ffff8880282d8f80
 which belongs to the cache kmalloc-96 of size 96
The buggy address is located 0 bytes inside of
 allocated 78-byte region [ffff8880282d8f80, ffff8880282d8fce)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x282d8
ksm flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88801b041280 ffffea0000ce3040 0000000000000007
raw: 0000000000000000 0000000080200020 00000000f5000000 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 0x52c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5204, tgid 5204 (udevd), ts 29845386842, free_ts 29841200870
 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+0x3651/0x37a0 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]
 __do_kmalloc_node mm/slub.c:4293 [inline]
 __kmalloc_noprof+0x2e6/0x4c0 mm/slub.c:4306
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1037 [inline]
 tomoyo_encode2 security/tomoyo/realpath.c:45 [inline]
 tomoyo_encode+0x26f/0x540 security/tomoyo/realpath.c:80
 tomoyo_realpath_from_path+0x59e/0x5e0 security/tomoyo/realpath.c:283
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_check_open_permission+0x258/0x4f0 security/tomoyo/file.c:771
 security_file_open+0xac/0x250 security/security.c:3114
 do_dentry_open+0x320/0x1960 fs/open.c:933
 vfs_open+0x3b/0x370 fs/open.c:1086
 do_open fs/namei.c:3830 [inline]
 path_openat+0x2c81/0x3590 fs/namei.c:3989
 do_filp_open+0x27f/0x4e0 fs/namei.c:4016
page last free pid 5396 tgid 5396 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe04/0x10e0 mm/page_alloc.c:2660
 pagetable_free include/linux/mm.h:2917 [inline]
 pagetable_dtor_free include/linux/mm.h:3015 [inline]
 __tlb_remove_table+0x33c/0x420 include/asm-generic/tlb.h:216
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x76/0xf0 mm/mmu_gather.c:282
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0xaaa/0x17a0 kernel/rcu/tree.c:2802
 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
 do_softirq+0x11b/0x1e0 kernel/softirq.c:462
 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:389
 flush_thread+0x36/0xb0 arch/x86/kernel/process.c:280
 begin_new_exec+0x1413/0x2100 fs/exec.c:1294
 load_elf_binary+0x973/0x2820 fs/binfmt_elf.c:1002
 search_binary_handler fs/exec.c:1775 [inline]
 exec_binprm fs/exec.c:1807 [inline]
 bprm_execve+0x979/0x1430 fs/exec.c:1859
 do_execveat_common+0x57f/0x710 fs/exec.c:1966
 do_execve fs/exec.c:2040 [inline]
 __do_sys_execve fs/exec.c:2116 [inline]
 __se_sys_execve fs/exec.c:2111 [inline]
 __x64_sys_execve+0x92/0xb0 fs/exec.c:2111
 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:
 ffff8880282d8e80: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
 ffff8880282d8f00: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
>ffff8880282d8f80: 00 00 00 00 00 00 00 00 00 06 fc fc fc fc fc fc
                                              ^
 ffff8880282d9000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8880282d9080: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fa
==================================================================

final repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 64
==================================================================
BUG: KASAN: slab-out-of-bounds in memcpy_from_page include/linux/highmem.h:423 [inline]
BUG: KASAN: slab-out-of-bounds in hfs_bnode_read+0x167/0x200 fs/hfs/bnode.c:35
Write of size 94 at addr ffff8880282d8f80 by task syz-executor240/5818

CPU: 0 UID: 0 PID: 5818 Comm: syz-executor240 Not tainted 6.14.0-rc5-syzkaller-00218-g2a520073e74f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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
 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189
 __asan_memcpy+0x40/0x70 mm/kasan/shadow.c:106
 memcpy_from_page include/linux/highmem.h:423 [inline]
 hfs_bnode_read+0x167/0x200 fs/hfs/bnode.c:35
 hfs_bnode_read_key+0x172/0x240 fs/hfs/bnode.c:70
 hfs_brec_insert+0x7f3/0xbd0 fs/hfs/brec.c:159
 hfs_cat_create+0x3dc/0x760 fs/hfs/catalog.c:118
 hfs_create+0x66/0xe0 fs/hfs/dir.c:202
 vfs_create+0x23c/0x3d0 fs/namei.c:3350
 do_mknodat+0x447/0x5b0 fs/namei.c:4241
 __do_sys_mknodat fs/namei.c:4269 [inline]
 __se_sys_mknodat fs/namei.c:4266 [inline]
 __x64_sys_mknodat+0xa7/0xc0 fs/namei.c:4266
 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: 0033:0x7fccee842ad9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff34d47968 EFLAGS: 00000246 ORIG_RAX: 0000000000000103
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fccee842ad9
RDX: 0000000000000000 RSI: 0000400000000100 RDI: 00000000ffffff9c
RBP: 00007fccee8b65f0 R08: 0000555566a524c0 R09: 0000555566a524c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff34d47990
R13: 00007fff34d47bb8 R14: 431bde82d7b634db R15: 00007fccee88b03b
 </TASK>

Allocated by task 5818:
 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]
 hfs_find_init+0x90/0x1f0 fs/hfs/bfind.c:21
 hfs_cat_create+0x17f/0x760 fs/hfs/catalog.c:96
 hfs_create+0x66/0xe0 fs/hfs/dir.c:202
 vfs_create+0x23c/0x3d0 fs/namei.c:3350
 do_mknodat+0x447/0x5b0 fs/namei.c:4241
 __do_sys_mknodat fs/namei.c:4269 [inline]
 __se_sys_mknodat fs/namei.c:4266 [inline]
 __x64_sys_mknodat+0xa7/0xc0 fs/namei.c:4266
 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 ffff8880282d8f80
 which belongs to the cache kmalloc-96 of size 96
The buggy address is located 0 bytes inside of
 allocated 78-byte region [ffff8880282d8f80, ffff8880282d8fce)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x282d8
ksm flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88801b041280 ffffea0000ce3040 0000000000000007
raw: 0000000000000000 0000000080200020 00000000f5000000 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 0x52c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5204, tgid 5204 (udevd), ts 29845386842, free_ts 29841200870
 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+0x3651/0x37a0 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]
 __do_kmalloc_node mm/slub.c:4293 [inline]
 __kmalloc_noprof+0x2e6/0x4c0 mm/slub.c:4306
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1037 [inline]
 tomoyo_encode2 security/tomoyo/realpath.c:45 [inline]
 tomoyo_encode+0x26f/0x540 security/tomoyo/realpath.c:80
 tomoyo_realpath_from_path+0x59e/0x5e0 security/tomoyo/realpath.c:283
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_check_open_permission+0x258/0x4f0 security/tomoyo/file.c:771
 security_file_open+0xac/0x250 security/security.c:3114
 do_dentry_open+0x320/0x1960 fs/open.c:933
 vfs_open+0x3b/0x370 fs/open.c:1086
 do_open fs/namei.c:3830 [inline]
 path_openat+0x2c81/0x3590 fs/namei.c:3989
 do_filp_open+0x27f/0x4e0 fs/namei.c:4016
page last free pid 5396 tgid 5396 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1127 [inline]
 free_frozen_pages+0xe04/0x10e0 mm/page_alloc.c:2660
 pagetable_free include/linux/mm.h:2917 [inline]
 pagetable_dtor_free include/linux/mm.h:3015 [inline]
 __tlb_remove_table+0x33c/0x420 include/asm-generic/tlb.h:216
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x76/0xf0 mm/mmu_gather.c:282
 rcu_do_batch kernel/rcu/tree.c:2546 [inline]
 rcu_core+0xaaa/0x17a0 kernel/rcu/tree.c:2802
 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
 do_softirq+0x11b/0x1e0 kernel/softirq.c:462
 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:389
 flush_thread+0x36/0xb0 arch/x86/kernel/process.c:280
 begin_new_exec+0x1413/0x2100 fs/exec.c:1294
 load_elf_binary+0x973/0x2820 fs/binfmt_elf.c:1002
 search_binary_handler fs/exec.c:1775 [inline]
 exec_binprm fs/exec.c:1807 [inline]
 bprm_execve+0x979/0x1430 fs/exec.c:1859
 do_execveat_common+0x57f/0x710 fs/exec.c:1966
 do_execve fs/exec.c:2040 [inline]
 __do_sys_execve fs/exec.c:2116 [inline]
 __se_sys_execve fs/exec.c:2111 [inline]
 __x64_sys_execve+0x92/0xb0 fs/exec.c:2111
 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:
 ffff8880282d8e80: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
 ffff8880282d8f00: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
>ffff8880282d8f80: 00 00 00 00 00 00 00 00 00 06 fc fc fc fc fc fc
                                              ^
 ffff8880282d9000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8880282d9080: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fa
==================================================================