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 Unable to handle kernel paging request at virtual address ffff700200000207 KASAN: probably wild-memory-access in range [0xffff801000001038-0xffff80100000103f] Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001aca1d000 [ffff700200000207] pgd=0000000000000000, p4d=000000023e885003, pud=0000000000000000 Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 7102 Comm: syz-executor Not tainted 6.10.0-rc7-syzkaller-00109-gc912bf709078 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : bytes_is_nonzero mm/kasan/generic.c:87 [inline] pc : memory_is_nonzero mm/kasan/generic.c:104 [inline] pc : memory_is_poisoned_n mm/kasan/generic.c:129 [inline] pc : memory_is_poisoned mm/kasan/generic.c:161 [inline] pc : check_region_inline mm/kasan/generic.c:180 [inline] pc : kasan_check_range+0x78/0x2a8 mm/kasan/generic.c:189 lr : __asan_memcpy+0x3c/0x84 mm/kasan/shadow.c:105 sp : ffff80009dcf73c0 x29: ffff80009dcf73c0 x28: 0000000000000002 x27: fffffdffbf000000 x26: 0000000000000000 x25: ffff0000d5a02880 x24: ffff0000d5a0281a x23: 00000000fffffffe x22: ffff800081185254 x21: ffff80009dcf74b0 x20: ffff80100000103e x19: 0000000000000002 x18: 1fffe000367a85de x17: ffff80008f2dd000 x16: ffff80008b07c030 x15: 0000000000000001 x14: 1ffff00200000207 x13: 00000000000000ff x12: ffffffffffffffff x11: ffff700200000207 x10: 1ffff00200000207 x9 : dfff800000000000 x8 : ffff80100000103f x7 : 0000ffff01ff0000 x6 : 0000000000000000 x5 : ffff80009dcf74b2 x4 : ffff0000dd0c7002 x3 : ffff800081185254 x2 : 0000000000000000 x1 : 0000000000000002 x0 : ffff80100000103e Call trace: bytes_is_nonzero mm/kasan/generic.c:86 [inline] memory_is_nonzero mm/kasan/generic.c:104 [inline] memory_is_poisoned_n mm/kasan/generic.c:129 [inline] memory_is_poisoned mm/kasan/generic.c:161 [inline] check_region_inline mm/kasan/generic.c:180 [inline] kasan_check_range+0x78/0x2a8 mm/kasan/generic.c:189 __asan_memcpy+0x3c/0x84 mm/kasan/shadow.c:105 memcpy_from_page include/linux/highmem.h:417 [inline] hfsplus_bnode_read fs/hfsplus/bnode.c:32 [inline] hfsplus_bnode_read_u16 fs/hfsplus/bnode.c:45 [inline] hfsplus_bnode_dump+0x3f4/0xa54 fs/hfsplus/bnode.c:305 hfsplus_brec_remove+0x3d0/0x4a4 fs/hfsplus/brec.c:229 __hfsplus_delete_attr+0x1dc/0x3e4 fs/hfsplus/attributes.c:299 hfsplus_delete_all_attrs+0x214/0x348 fs/hfsplus/attributes.c:378 hfsplus_delete_cat+0x990/0xd58 fs/hfsplus/catalog.c:425 hfsplus_unlink+0x2d0/0x690 fs/hfsplus/dir.c:385 vfs_unlink+0x2f0/0x534 fs/namei.c:4396 do_unlinkat+0x4d0/0x700 fs/namei.c:4460 __do_sys_unlinkat fs/namei.c:4503 [inline] __se_sys_unlinkat fs/namei.c:4496 [inline] __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4496 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:131 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:150 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Code: 5400014c b4000b8f aa2a03ec 8b0e018c (3940016d) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 5400014c b.gt 0x28 4: b4000b8f cbz x15, 0x174 8: aa2a03ec mvn x12, x10 c: 8b0e018c add x12, x12, x14 * 10: 3940016d ldrb w13, [x11] <-- trapping instruction