| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2025/03/25 | upstream (ToT) | 2df0c02dab82 | C | [report] KASAN: slab-out-of-bounds Read in hfsplus_bnode_read |
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| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2025/03/25 | upstream (ToT) | 2df0c02dab82 | C | [report] KASAN: slab-out-of-bounds Read in hfsplus_bnode_read |
| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| linux-5.15 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read origin:upstream | 23 | C | 71 | 4d02h | 756d | 0/3 | upstream: reported C repro on 2023/06/20 20:03 | ||
| linux-4.19 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | 17 | C | error | 2 | 961d | 962d | 0/1 | upstream: reported C repro on 2022/11/26 10:26 | |
| linux-4.14 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read hfsplus | 17 | C | 3 | 863d | 955d | 0/1 | upstream: reported C repro on 2022/12/03 05:45 | ||
| upstream | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read hfs | 23 | C | error | 474 | 36m | 962d | 0/29 | upstream: reported C repro on 2022/11/26 08:07 |
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
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/06/23 13:25 | linux-6.1.y | 58485ff1a74f | d6cdfb8a | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | |
| 2025/05/18 05:42 | linux-6.1.y | 02b72ccb5f9d | f41472b0 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | |
| 2025/03/04 10:20 | linux-6.1.y | 3a8358583626 | c3901742 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | |
| 2025/03/04 09:17 | linux-6.1.y | 3a8358583626 | c3901742 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | |
| 2025/03/04 08:05 | linux-6.1.y | 3a8358583626 | c3901742 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | |
| 2025/03/04 07:02 | linux-6.1.y | 3a8358583626 | c3901742 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | |
| 2025/06/10 00:31 | linux-6.1.y | 58485ff1a74f | 4826c28e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | ||
| 2025/05/03 17:05 | linux-6.1.y | b6736e03756f | b0714e37 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | ||
| 2025/04/15 08:01 | linux-6.1.y | 420102835862 | 0bd6db41 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | ||
| 2025/04/08 06:54 | linux-6.1.y | 3dfebb87d7eb | a2ada0e7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | ||
| 2025/04/06 22:30 | linux-6.1.y | 8e60a714ba3b | 1c65791e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | ||
| 2025/03/30 17:34 | linux-6.1.y | 8e60a714ba3b | d3999433 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | ||
| 2025/03/21 07:33 | linux-6.1.y | 344a09659766 | 62330552 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | ||
| 2025/03/17 02:09 | linux-6.1.y | 344a09659766 | e2826670 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | ||
| 2025/03/07 06:26 | linux-6.1.y | 3a8358583626 | 831e3629 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read | ||
| 2025/03/04 05:55 | linux-6.1.y | 3a8358583626 | c3901742 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | KASAN: slab-out-of-bounds Read in hfsplus_bnode_read |