Extracting prog: 2m43.652183654s Minimizing prog: 7m18.508443414s Simplifying prog options: 0s Extracting C: 29.511400539s Simplifying C: 7m32.941680423s 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$hfsplus-openat$dir-unlinkat detailed listing: executing program 0: syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000140)='./file1\x00', 0x1008400, &(0x7f0000000080)=ANY=[@ANYRES16=0x0, @ANYRES64], 0x86, 0x680, &(0x7f0000000340)="$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") r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000002780)='./file1\x00', 0x0) program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bnode_read program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bnode_read single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=42.477864013s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-openat$dir detailed listing: executing program 0: syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000140)='./file1\x00', 0x1008400, &(0x7f0000000080)=ANY=[@ANYRES16=0x0, @ANYRES64], 0x86, 0x680, &(0x7f0000000340)="$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") openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0) program did not crash testing program (duration=42.477864013s, {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$hfsplus-unlinkat detailed listing: executing program 0: syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000140)='./file1\x00', 0x1008400, &(0x7f0000000080)=ANY=[@ANYRES16=0x0, @ANYRES64], 0x86, 0x680, &(0x7f0000000340)="$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") unlinkat(0xffffffffffffffff, &(0x7f0000002780)='./file1\x00', 0x0) program did not crash testing program (duration=42.477864013s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dir-unlinkat detailed listing: executing program 0: r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0) unlinkat(r0, &(0x7f0000002780)='./file1\x00', 0x0) program did not crash testing program (duration=42.477864013s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-openat$dir-unlinkat detailed listing: executing program 0: syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000140)='./file1\x00', 0x1008400, &(0x7f0000000080)=ANY=[@ANYRES16=0x0, @ANYRES64], 0x86, 0x680, &(0x7f0000000340)="$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") r0 = openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0) unlinkat(r0, &(0x7f0000002780)='./file1\x00', 0x0) program did not crash testing program (duration=42.477864013s, {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$hfsplus-openat$dir-unlinkat detailed listing: executing program 0: syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000140)='./file1\x00', 0x1008400, &(0x7f0000000080)=ANY=[@ANYRES16=0x0, @ANYRES64], 0x86, 0x680, &(0x7f0000000340)="$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") r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0) unlinkat(r0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=42.477864013s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-openat$dir-unlinkat program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bnode_read simplifying C reproducer testing compiled C program (duration=42.477864013s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-openat$dir-unlinkat program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bnode_read testing compiled C program (duration=42.477864013s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-openat$dir-unlinkat program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bnode_read testing compiled C program (duration=42.477864013s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-openat$dir-unlinkat program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bnode_read testing compiled C program (duration=42.477864013s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-openat$dir-unlinkat program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bnode_read testing compiled C program (duration=42.477864013s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-openat$dir-unlinkat program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bnode_read testing compiled C program (duration=42.477864013s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-openat$dir-unlinkat program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bnode_read testing compiled C program (duration=42.477864013s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-openat$dir-unlinkat program crashed: KASAN: slab-out-of-bounds Read in hfsplus_bnode_read reproducing took 18m4.6137234s repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 1024 hfsplus: request for non-existent node 128 in B*Tree hfsplus: request for non-existent node 128 in B*Tree ================================================================== BUG: KASAN: slab-out-of-bounds in hfsplus_bnode_read+0x9c/0x248 fs/hfsplus/bnode.c:32 Read of size 8 at addr ffff0000c08614c0 by task syz-executor202/4294 CPU: 0 PID: 4294 Comm: syz-executor202 Not tainted 6.1.141-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106 print_address_description+0x88/0x220 mm/kasan/report.c:316 print_report+0x50/0x68 mm/kasan/report.c:427 kasan_report+0xa8/0x100 mm/kasan/report.c:531 __asan_report_load8_noabort+0x2c/0x38 mm/kasan/report_generic.c:351 hfsplus_bnode_read+0x9c/0x248 fs/hfsplus/bnode.c:32 hfsplus_bnode_dump+0x274/0x384 fs/hfsplus/bnode.c:-1 hfsplus_brec_remove+0x3cc/0x4a0 fs/hfsplus/brec.c:229 __hfsplus_delete_attr+0x198/0x33c fs/hfsplus/attributes.c:299 hfsplus_delete_all_attrs+0x204/0x33c fs/hfsplus/attributes.c:378 hfsplus_delete_cat+0x844/0xbb0 fs/hfsplus/catalog.c:425 hfsplus_unlink+0x2a0/0x664 fs/hfsplus/dir.c:385 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4322 do_unlinkat+0x31c/0x4e8 fs/namei.c:4390 __do_sys_unlinkat fs/namei.c:4433 [inline] __se_sys_unlinkat fs/namei.c:4426 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4426 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Allocated by task 4294: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x80 mm/kasan/common.c:52 kasan_save_alloc_info+0x28/0x34 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0xa0/0xb8 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slab_common.c:936 [inline] __kmalloc+0xec/0x178 mm/slab_common.c:949 kmalloc include/linux/slab.h:568 [inline] kzalloc include/linux/slab.h:699 [inline] __hfs_bnode_create+0xe4/0x6cc fs/hfsplus/bnode.c:415 hfsplus_bnode_find+0x1f0/0xb78 fs/hfsplus/bnode.c:492 hfsplus_brec_find+0x128/0x448 fs/hfsplus/bfind.c:172 hfsplus_find_attr fs/hfsplus/attributes.c:160 [inline] hfsplus_delete_all_attrs+0x1e0/0x33c fs/hfsplus/attributes.c:371 hfsplus_delete_cat+0x844/0xbb0 fs/hfsplus/catalog.c:425 hfsplus_unlink+0x2a0/0x664 fs/hfsplus/dir.c:385 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4322 do_unlinkat+0x31c/0x4e8 fs/namei.c:4390 __do_sys_unlinkat fs/namei.c:4433 [inline] __se_sys_unlinkat fs/namei.c:4426 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4426 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Last potentially related work creation: kasan_save_stack+0x40/0x70 mm/kasan/common.c:45 __kasan_record_aux_stack+0xc0/0xdc mm/kasan/generic.c:486 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:496 call_rcu+0xfc/0x948 kernel/rcu/tree.c:2845 free_fib_info+0x68/0xa8 net/ipv4/fib_semantics.c:257 fib_create_info+0x144c/0x1e58 net/ipv4/fib_semantics.c:1591 fib_table_insert+0xac/0x1368 net/ipv4/fib_trie.c:1217 fib_magic+0x250/0x31c net/ipv4/fib_frontend.c:1118 fib_add_ifaddr+0x2ec/0x4f8 net/ipv4/fib_frontend.c:1155 fib_netdev_event+0x360/0x4a4 net/ipv4/fib_frontend.c:1500 notifier_call_chain kernel/notifier.c:87 [inline] raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:455 call_netdevice_notifiers_info net/core/dev.c:2001 [inline] call_netdevice_notifiers_extack net/core/dev.c:2039 [inline] call_netdevice_notifiers net/core/dev.c:2053 [inline] __dev_notify_flags+0x250/0x46c net/core/dev.c:-1 dev_change_flags+0xc8/0x154 net/core/dev.c:8702 devinet_ioctl+0x88c/0x17e0 net/ipv4/devinet.c:1157 inet_ioctl+0x304/0x4d8 net/ipv4/af_inet.c:1008 sock_do_ioctl+0xf8/0x240 net/socket.c:1204 sock_ioctl+0x5c4/0x840 net/socket.c:1321 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 The buggy address belongs to the object at ffff0000c0861400 which belongs to the cache kmalloc-256 of size 256 The buggy address is located 192 bytes inside of 256-byte region [ffff0000c0861400, ffff0000c0861500) The buggy address belongs to the physical page: page:00000000c4e34fcb refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x100860 head:00000000c4e34fcb order:1 compound_mapcount:0 compound_pincount:0 flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000010200 fffffc0003575c00 dead000000000004 ffff0000c0002480 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000c0861380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000c0861400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000c0861480: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff0000c0861500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000c0861580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== Unable to handle kernel paging request at virtual address ffff74f8000087ff KASAN: maybe wild-memory-access in range [0xffffa7c000043ff8-0xffffa7c000043fff] Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=000000020e41a000 [ffff74f8000087ff] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4294 Comm: syz-executor202 Tainted: G B 6.1.141-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : bytes_is_nonzero mm/kasan/generic.c:85 [inline] pc : memory_is_nonzero mm/kasan/generic.c:102 [inline] pc : memory_is_poisoned_n mm/kasan/generic.c:128 [inline] pc : memory_is_poisoned mm/kasan/generic.c:159 [inline] pc : check_region_inline mm/kasan/generic.c:180 [inline] pc : kasan_check_range+0x64/0x2a0 mm/kasan/generic.c:189 lr : memcpy+0x48/0x90 mm/kasan/shadow.c:65 sp : ffff800020737470 x29: ffff800020737470 x28: 0000000000000001 x27: 0000000040000000 x26: 1ffff0000295206c x25: dfff800000000000 x24: 0000000000001000 x23: 0000000000000001 x22: ffff800008f68cb4 x21: ffff800020737560 x20: ffffa7c000043fff x19: 0000000000000001 x18: ffff800011a7bce0 x17: 1fffe00033ee7176 x16: ffff800008042940 x15: 0000000000000000 x14: 00000000000000ff x13: 0000000000ff0100 x12: 0000000000000001 x11: 1ffff4f8000087ff x10: 1ffff4f8000087ff x9 : ffffffffffffffff x8 : ffff74f8000087ff x7 : 0000000000000004 x6 : 00000000000000ff x5 : ffff800020737582 x4 : ffff0000e415b00c x3 : ffff800008f68cb4 x2 : 0000000000000000 x1 : 0000000000000001 x0 : ffffa7c000043fff Call trace: bytes_is_nonzero mm/kasan/generic.c:84 [inline] memory_is_nonzero mm/kasan/generic.c:102 [inline] memory_is_poisoned_n mm/kasan/generic.c:128 [inline] memory_is_poisoned mm/kasan/generic.c:159 [inline] check_region_inline mm/kasan/generic.c:180 [inline] kasan_check_range+0x64/0x2a0 mm/kasan/generic.c:189 memcpy+0x48/0x90 mm/kasan/shadow.c:65 memcpy_from_page include/linux/highmem.h:393 [inline] hfsplus_bnode_read+0x124/0x248 fs/hfsplus/bnode.c:32 hfsplus_bnode_dump+0x274/0x384 fs/hfsplus/bnode.c:-1 hfsplus_brec_remove+0x3cc/0x4a0 fs/hfsplus/brec.c:229 __hfsplus_delete_attr+0x198/0x33c fs/hfsplus/attributes.c:299 hfsplus_delete_all_attrs+0x204/0x33c fs/hfsplus/attributes.c:378 hfsplus_delete_cat+0x844/0xbb0 fs/hfsplus/catalog.c:425 hfsplus_unlink+0x2a0/0x664 fs/hfsplus/dir.c:385 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4322 do_unlinkat+0x31c/0x4e8 fs/namei.c:4390 __do_sys_unlinkat fs/namei.c:4433 [inline] __se_sys_unlinkat fs/namei.c:4426 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4426 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: 5400014c b4000b8c aa2a03e9 8b0b0129 (3940010a) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 5400014c b.gt 0x28 4: b4000b8c cbz x12, 0x174 8: aa2a03e9 mvn x9, x10 c: 8b0b0129 add x9, x9, x11 * 10: 3940010a ldrb w10, [x8] <-- trapping instruction final repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 1024 hfsplus: request for non-existent node 128 in B*Tree hfsplus: request for non-existent node 128 in B*Tree ================================================================== BUG: KASAN: slab-out-of-bounds in hfsplus_bnode_read+0x9c/0x248 fs/hfsplus/bnode.c:32 Read of size 8 at addr ffff0000c08614c0 by task syz-executor202/4294 CPU: 0 PID: 4294 Comm: syz-executor202 Not tainted 6.1.141-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106 print_address_description+0x88/0x220 mm/kasan/report.c:316 print_report+0x50/0x68 mm/kasan/report.c:427 kasan_report+0xa8/0x100 mm/kasan/report.c:531 __asan_report_load8_noabort+0x2c/0x38 mm/kasan/report_generic.c:351 hfsplus_bnode_read+0x9c/0x248 fs/hfsplus/bnode.c:32 hfsplus_bnode_dump+0x274/0x384 fs/hfsplus/bnode.c:-1 hfsplus_brec_remove+0x3cc/0x4a0 fs/hfsplus/brec.c:229 __hfsplus_delete_attr+0x198/0x33c fs/hfsplus/attributes.c:299 hfsplus_delete_all_attrs+0x204/0x33c fs/hfsplus/attributes.c:378 hfsplus_delete_cat+0x844/0xbb0 fs/hfsplus/catalog.c:425 hfsplus_unlink+0x2a0/0x664 fs/hfsplus/dir.c:385 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4322 do_unlinkat+0x31c/0x4e8 fs/namei.c:4390 __do_sys_unlinkat fs/namei.c:4433 [inline] __se_sys_unlinkat fs/namei.c:4426 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4426 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Allocated by task 4294: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x80 mm/kasan/common.c:52 kasan_save_alloc_info+0x28/0x34 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0xa0/0xb8 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slab_common.c:936 [inline] __kmalloc+0xec/0x178 mm/slab_common.c:949 kmalloc include/linux/slab.h:568 [inline] kzalloc include/linux/slab.h:699 [inline] __hfs_bnode_create+0xe4/0x6cc fs/hfsplus/bnode.c:415 hfsplus_bnode_find+0x1f0/0xb78 fs/hfsplus/bnode.c:492 hfsplus_brec_find+0x128/0x448 fs/hfsplus/bfind.c:172 hfsplus_find_attr fs/hfsplus/attributes.c:160 [inline] hfsplus_delete_all_attrs+0x1e0/0x33c fs/hfsplus/attributes.c:371 hfsplus_delete_cat+0x844/0xbb0 fs/hfsplus/catalog.c:425 hfsplus_unlink+0x2a0/0x664 fs/hfsplus/dir.c:385 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4322 do_unlinkat+0x31c/0x4e8 fs/namei.c:4390 __do_sys_unlinkat fs/namei.c:4433 [inline] __se_sys_unlinkat fs/namei.c:4426 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4426 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Last potentially related work creation: kasan_save_stack+0x40/0x70 mm/kasan/common.c:45 __kasan_record_aux_stack+0xc0/0xdc mm/kasan/generic.c:486 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:496 call_rcu+0xfc/0x948 kernel/rcu/tree.c:2845 free_fib_info+0x68/0xa8 net/ipv4/fib_semantics.c:257 fib_create_info+0x144c/0x1e58 net/ipv4/fib_semantics.c:1591 fib_table_insert+0xac/0x1368 net/ipv4/fib_trie.c:1217 fib_magic+0x250/0x31c net/ipv4/fib_frontend.c:1118 fib_add_ifaddr+0x2ec/0x4f8 net/ipv4/fib_frontend.c:1155 fib_netdev_event+0x360/0x4a4 net/ipv4/fib_frontend.c:1500 notifier_call_chain kernel/notifier.c:87 [inline] raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:455 call_netdevice_notifiers_info net/core/dev.c:2001 [inline] call_netdevice_notifiers_extack net/core/dev.c:2039 [inline] call_netdevice_notifiers net/core/dev.c:2053 [inline] __dev_notify_flags+0x250/0x46c net/core/dev.c:-1 dev_change_flags+0xc8/0x154 net/core/dev.c:8702 devinet_ioctl+0x88c/0x17e0 net/ipv4/devinet.c:1157 inet_ioctl+0x304/0x4d8 net/ipv4/af_inet.c:1008 sock_do_ioctl+0xf8/0x240 net/socket.c:1204 sock_ioctl+0x5c4/0x840 net/socket.c:1321 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 The buggy address belongs to the object at ffff0000c0861400 which belongs to the cache kmalloc-256 of size 256 The buggy address is located 192 bytes inside of 256-byte region [ffff0000c0861400, ffff0000c0861500) The buggy address belongs to the physical page: page:00000000c4e34fcb refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x100860 head:00000000c4e34fcb order:1 compound_mapcount:0 compound_pincount:0 flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000010200 fffffc0003575c00 dead000000000004 ffff0000c0002480 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000c0861380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000c0861400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000c0861480: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff0000c0861500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000c0861580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== Unable to handle kernel paging request at virtual address ffff74f8000087ff KASAN: maybe wild-memory-access in range [0xffffa7c000043ff8-0xffffa7c000043fff] Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=000000020e41a000 [ffff74f8000087ff] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4294 Comm: syz-executor202 Tainted: G B 6.1.141-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : bytes_is_nonzero mm/kasan/generic.c:85 [inline] pc : memory_is_nonzero mm/kasan/generic.c:102 [inline] pc : memory_is_poisoned_n mm/kasan/generic.c:128 [inline] pc : memory_is_poisoned mm/kasan/generic.c:159 [inline] pc : check_region_inline mm/kasan/generic.c:180 [inline] pc : kasan_check_range+0x64/0x2a0 mm/kasan/generic.c:189 lr : memcpy+0x48/0x90 mm/kasan/shadow.c:65 sp : ffff800020737470 x29: ffff800020737470 x28: 0000000000000001 x27: 0000000040000000 x26: 1ffff0000295206c x25: dfff800000000000 x24: 0000000000001000 x23: 0000000000000001 x22: ffff800008f68cb4 x21: ffff800020737560 x20: ffffa7c000043fff x19: 0000000000000001 x18: ffff800011a7bce0 x17: 1fffe00033ee7176 x16: ffff800008042940 x15: 0000000000000000 x14: 00000000000000ff x13: 0000000000ff0100 x12: 0000000000000001 x11: 1ffff4f8000087ff x10: 1ffff4f8000087ff x9 : ffffffffffffffff x8 : ffff74f8000087ff x7 : 0000000000000004 x6 : 00000000000000ff x5 : ffff800020737582 x4 : ffff0000e415b00c x3 : ffff800008f68cb4 x2 : 0000000000000000 x1 : 0000000000000001 x0 : ffffa7c000043fff Call trace: bytes_is_nonzero mm/kasan/generic.c:84 [inline] memory_is_nonzero mm/kasan/generic.c:102 [inline] memory_is_poisoned_n mm/kasan/generic.c:128 [inline] memory_is_poisoned mm/kasan/generic.c:159 [inline] check_region_inline mm/kasan/generic.c:180 [inline] kasan_check_range+0x64/0x2a0 mm/kasan/generic.c:189 memcpy+0x48/0x90 mm/kasan/shadow.c:65 memcpy_from_page include/linux/highmem.h:393 [inline] hfsplus_bnode_read+0x124/0x248 fs/hfsplus/bnode.c:32 hfsplus_bnode_dump+0x274/0x384 fs/hfsplus/bnode.c:-1 hfsplus_brec_remove+0x3cc/0x4a0 fs/hfsplus/brec.c:229 __hfsplus_delete_attr+0x198/0x33c fs/hfsplus/attributes.c:299 hfsplus_delete_all_attrs+0x204/0x33c fs/hfsplus/attributes.c:378 hfsplus_delete_cat+0x844/0xbb0 fs/hfsplus/catalog.c:425 hfsplus_unlink+0x2a0/0x664 fs/hfsplus/dir.c:385 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4322 do_unlinkat+0x31c/0x4e8 fs/namei.c:4390 __do_sys_unlinkat fs/namei.c:4433 [inline] __se_sys_unlinkat fs/namei.c:4426 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4426 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: 5400014c b4000b8c aa2a03e9 8b0b0129 (3940010a) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 5400014c b.gt 0x28 4: b4000b8c cbz x12, 0x174 8: aa2a03e9 mvn x9, x10 c: 8b0b0129 add x9, x9, x11 * 10: 3940010a ldrb w10, [x8] <-- trapping instruction