Extracting prog: 1m59.607532308s Minimizing prog: 3m54.598177996s Simplifying prog options: 0s Extracting C: 1m1.076688045s Simplifying C: 7m17.777739842s extracting reproducer from 30 programs first checking the prog from the crash report 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$hfs-openat$cgroup_ro detailed listing: executing program 0: syz_mount_image$hfs(&(0x7f0000000140), &(0x7f00000008c0)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x2810880, &(0x7f0000000000)=ANY=[], 0x1, 0x2c6, &(0x7f0000000c80)="$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") openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000300)='blkio.bfq.io_merged_recursive\x00', 0x275a, 0x0) program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read single: successfully extracted reproducer found reproducer with 2 syscalls minimizing guilty program testing program (duration=53.176761727s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs detailed listing: executing program 0: syz_mount_image$hfs(&(0x7f0000000140), &(0x7f00000008c0)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x2810880, &(0x7f0000000000)=ANY=[], 0x1, 0x2c6, &(0x7f0000000c80)="$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") program did not crash testing program (duration=53.176761727s, {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$cgroup_ro detailed listing: executing program 0: openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000300)='blkio.bfq.io_merged_recursive\x00', 0x275a, 0x0) program did not crash testing program (duration=53.176761727s, {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$hfs-openat$cgroup_ro detailed listing: executing program 0: syz_mount_image$hfs(&(0x7f0000000140), &(0x7f00000008c0)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x2810880, &(0x7f0000000000)=ANY=[], 0x1, 0x2c6, &(0x7f0000000c80)="$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") openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=53.176761727s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read simplifying C reproducer testing compiled C program (duration=53.176761727s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read testing compiled C program (duration=53.176761727s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read testing compiled C program (duration=53.176761727s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read testing compiled C program (duration=53.176761727s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read testing compiled C program (duration=53.176761727s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read testing compiled C program (duration=53.176761727s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read testing compiled C program (duration=53.176761727s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat$cgroup_ro program crashed: KASAN: slab-out-of-bounds Write in hfs_bnode_read reproducing took 14m13.060163001s repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 64 ================================================================== BUG: KASAN: slab-out-of-bounds in hfs_bnode_read+0x184/0x464 fs/hfs/bnode.c:37 Write of size 94 at addr ffff0000c4eefa00 by task syz-executor259/4024 CPU: 0 PID: 4024 Comm: syz-executor259 Not tainted 5.15.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call trace: dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106 print_address_description+0x78/0x30c mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0xec/0x15c mm/kasan/report.c:451 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x270/0x2b0 mm/kasan/generic.c:189 memcpy+0xb4/0xe8 mm/kasan/shadow.c:66 hfs_bnode_read+0x184/0x464 fs/hfs/bnode.c:37 hfs_bnode_read_key+0x13c/0x1ec fs/hfs/bnode.c:73 hfs_brec_insert+0x544/0x96c fs/hfs/brec.c:141 hfs_cat_create+0x2d8/0x758 fs/hfs/catalog.c:118 hfs_create+0x6c/0xe0 fs/hfs/dir.c:202 lookup_open fs/namei.c:3462 [inline] open_last_lookups fs/namei.c:3532 [inline] path_openat+0x1144/0x26e4 fs/namei.c:3739 do_filp_open+0x164/0x330 fs/namei.c:3769 do_sys_openat2+0x128/0x3d8 fs/open.c:1253 do_sys_open fs/open.c:1269 [inline] __do_sys_openat fs/open.c:1285 [inline] __se_sys_openat fs/open.c:1280 [inline] __arm64_sys_openat+0x120/0x154 fs/open.c:1280 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Allocated by task 4024: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] ____kasan_kmalloc mm/kasan/common.c:513 [inline] __kasan_kmalloc+0xb0/0xf0 mm/kasan/common.c:522 kasan_kmalloc include/linux/kasan.h:264 [inline] __kmalloc+0x298/0x44c mm/slub.c:4407 kmalloc include/linux/slab.h:609 [inline] hfs_find_init+0x88/0x1c8 fs/hfs/bfind.c:21 hfs_cat_create+0x164/0x758 fs/hfs/catalog.c:96 hfs_create+0x6c/0xe0 fs/hfs/dir.c:202 lookup_open fs/namei.c:3462 [inline] open_last_lookups fs/namei.c:3532 [inline] path_openat+0x1144/0x26e4 fs/namei.c:3739 do_filp_open+0x164/0x330 fs/namei.c:3769 do_sys_openat2+0x128/0x3d8 fs/open.c:1253 do_sys_open fs/open.c:1269 [inline] __do_sys_openat fs/open.c:1285 [inline] __se_sys_openat fs/open.c:1280 [inline] __arm64_sys_openat+0x120/0x154 fs/open.c:1280 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 The buggy address belongs to the object at ffff0000c4eefa00 which belongs to the cache kmalloc-128 of size 128 The buggy address is located 0 bytes inside of 128-byte region [ffff0000c4eefa00, ffff0000c4eefa80) The buggy address belongs to the page: page:00000000b0c5bcfd refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104eef flags: 0x5ffc00000000200(slab|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000000200 dead000000000100 dead000000000122 ffff0000c0002300 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000c4eef900: 00 00 00 04 fc fc fc fc fc fc fc fc fc fc fc fc ffff0000c4eef980: fc fc fc fc fc fc fc fc fc fc f final repro crashed as (corrupted=false): loop0: detected capacity change from 0 to 64 ================================================================== BUG: KASAN: slab-out-of-bounds in hfs_bnode_read+0x184/0x464 fs/hfs/bnode.c:37 Write of size 94 at addr ffff0000c4eefa00 by task syz-executor259/4024 CPU: 0 PID: 4024 Comm: syz-executor259 Not tainted 5.15.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call trace: dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106 print_address_description+0x78/0x30c mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0xec/0x15c mm/kasan/report.c:451 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x270/0x2b0 mm/kasan/generic.c:189 memcpy+0xb4/0xe8 mm/kasan/shadow.c:66 hfs_bnode_read+0x184/0x464 fs/hfs/bnode.c:37 hfs_bnode_read_key+0x13c/0x1ec fs/hfs/bnode.c:73 hfs_brec_insert+0x544/0x96c fs/hfs/brec.c:141 hfs_cat_create+0x2d8/0x758 fs/hfs/catalog.c:118 hfs_create+0x6c/0xe0 fs/hfs/dir.c:202 lookup_open fs/namei.c:3462 [inline] open_last_lookups fs/namei.c:3532 [inline] path_openat+0x1144/0x26e4 fs/namei.c:3739 do_filp_open+0x164/0x330 fs/namei.c:3769 do_sys_openat2+0x128/0x3d8 fs/open.c:1253 do_sys_open fs/open.c:1269 [inline] __do_sys_openat fs/open.c:1285 [inline] __se_sys_openat fs/open.c:1280 [inline] __arm64_sys_openat+0x120/0x154 fs/open.c:1280 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Allocated by task 4024: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] ____kasan_kmalloc mm/kasan/common.c:513 [inline] __kasan_kmalloc+0xb0/0xf0 mm/kasan/common.c:522 kasan_kmalloc include/linux/kasan.h:264 [inline] __kmalloc+0x298/0x44c mm/slub.c:4407 kmalloc include/linux/slab.h:609 [inline] hfs_find_init+0x88/0x1c8 fs/hfs/bfind.c:21 hfs_cat_create+0x164/0x758 fs/hfs/catalog.c:96 hfs_create+0x6c/0xe0 fs/hfs/dir.c:202 lookup_open fs/namei.c:3462 [inline] open_last_lookups fs/namei.c:3532 [inline] path_openat+0x1144/0x26e4 fs/namei.c:3739 do_filp_open+0x164/0x330 fs/namei.c:3769 do_sys_openat2+0x128/0x3d8 fs/open.c:1253 do_sys_open fs/open.c:1269 [inline] __do_sys_openat fs/open.c:1285 [inline] __se_sys_openat fs/open.c:1280 [inline] __arm64_sys_openat+0x120/0x154 fs/open.c:1280 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 The buggy address belongs to the object at ffff0000c4eefa00 which belongs to the cache kmalloc-128 of size 128 The buggy address is located 0 bytes inside of 128-byte region [ffff0000c4eefa00, ffff0000c4eefa80) The buggy address belongs to the page: page:00000000b0c5bcfd refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104eef flags: 0x5ffc00000000200(slab|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000000200 dead000000000100 dead000000000122 ffff0000c0002300 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000c4eef900: 00 00 00 04 fc fc fc fc fc fc fc fc fc fc fc fc ffff0000c4eef980: fc fc fc fc fc fc fc fc fc fc f