Warning: Permanently added '10.128.0.89' (ED25519) to the list of known hosts. executing program [ 46.648758][ T4025] loop0: detected capacity change from 0 to 1024 [ 46.744702][ T4025] ================================================================== [ 46.746328][ T4025] BUG: KASAN: slab-out-of-bounds in hfsplus_uni2asc+0x624/0x1018 [ 46.747899][ T4025] Read of size 2 at addr ffff0000c1ed740c by task syz-executor126/4025 [ 46.749782][ T4025] [ 46.750265][ T4025] CPU: 0 PID: 4025 Comm: syz-executor126 Not tainted 5.15.176-syzkaller #0 [ 46.752129][ T4025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 46.754117][ T4025] Call trace: [ 46.754827][ T4025] dump_backtrace+0x0/0x530 [ 46.755743][ T4025] show_stack+0x2c/0x3c [ 46.756634][ T4025] dump_stack_lvl+0x108/0x170 [ 46.757588][ T4025] print_address_description+0x7c/0x3f0 [ 46.758816][ T4025] kasan_report+0x174/0x1e4 [ 46.759725][ T4025] __asan_report_load2_noabort+0x44/0x50 [ 46.760851][ T4025] hfsplus_uni2asc+0x624/0x1018 [ 46.761871][ T4025] hfsplus_readdir+0x79c/0xf68 [ 46.762830][ T4025] iterate_dir+0x1f4/0x4ec [ 46.763649][ T4025] __arm64_sys_getdents64+0x1c4/0x4c4 [ 46.764688][ T4025] invoke_syscall+0x98/0x2b8 [ 46.765643][ T4025] el0_svc_common+0x138/0x258 [ 46.766633][ T4025] do_el0_svc+0x58/0x14c [ 46.767499][ T4025] el0_svc+0x7c/0x1f0 [ 46.768340][ T4025] el0t_64_sync_handler+0x84/0xe4 [ 46.769396][ T4025] el0t_64_sync+0x1a0/0x1a4 [ 46.770450][ T4025] [ 46.770985][ T4025] Allocated by task 4025: [ 46.771832][ T4025] ____kasan_kmalloc+0xbc/0xfc [ 46.772772][ T4025] __kasan_kmalloc+0x10/0x1c [ 46.773725][ T4025] __kmalloc+0x29c/0x4c8 [ 46.774644][ T4025] hfsplus_find_init+0x84/0x1bc [ 46.775605][ T4025] hfsplus_readdir+0x1c8/0xf68 [ 46.776599][ T4025] iterate_dir+0x1f4/0x4ec [ 46.777504][ T4025] __arm64_sys_getdents64+0x1c4/0x4c4 [ 46.778682][ T4025] invoke_syscall+0x98/0x2b8 [ 46.779683][ T4025] el0_svc_common+0x138/0x258 [ 46.780593][ T4025] do_el0_svc+0x58/0x14c [ 46.781382][ T4025] el0_svc+0x7c/0x1f0 [ 46.782179][ T4025] el0t_64_sync_handler+0x84/0xe4 [ 46.783245][ T4025] el0t_64_sync+0x1a0/0x1a4 [ 46.784194][ T4025] [ 46.784687][ T4025] The buggy address belongs to the object at ffff0000c1ed7000 [ 46.784687][ T4025] which belongs to the cache kmalloc-2k of size 2048 [ 46.787751][ T4025] The buggy address is located 1036 bytes inside of [ 46.787751][ T4025] 2048-byte region [ffff0000c1ed7000, ffff0000c1ed7800) [ 46.790718][ T4025] The buggy address belongs to the page: [ 46.791911][ T4025] page:00000000211ac5d9 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101ed0 [ 46.794017][ T4025] head:00000000211ac5d9 order:3 compound_mapcount:0 compound_pincount:0 [ 46.795666][ T4025] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 46.797349][ T4025] raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c0002900 [ 46.799028][ T4025] raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000 [ 46.800926][ T4025] page dumped because: kasan: bad access detected [ 46.802293][ T4025] [ 46.802818][ T4025] Memory state around the buggy address: [ 46.804083][ T4025] ffff0000c1ed7300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 46.805798][ T4025] ffff0000c1ed7380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 46.807567][ T4025] >ffff0000c1ed7400: 00 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.809195][ T4025] ^ [ 46.810068][ T4025] ffff0000c1ed7480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.811676][ T4025] ffff0000c1ed7500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.813368][ T4025] ================================================================== [ 46.815005][ T4025] Disabling lock debugging due to kernel taint executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program