Warning: Permanently added '10.128.1.26' (ED25519) to the list of known hosts. executing program [ 44.360891][ T4021] loop0: detected capacity change from 0 to 1024 [ 44.461339][ T4021] ================================================================== [ 44.463535][ T4021] BUG: KASAN: slab-out-of-bounds in hfsplus_uni2asc+0x624/0x1018 [ 44.465502][ T4021] Read of size 2 at addr ffff0000cac2aa18 by task syz-executor560/4021 [ 44.467685][ T4021] [ 44.468316][ T4021] CPU: 1 PID: 4021 Comm: syz-executor560 Not tainted 5.15.178-syzkaller #0 [ 44.470536][ T4021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 44.473139][ T4021] Call trace: [ 44.473963][ T4021] dump_backtrace+0x0/0x530 [ 44.475123][ T4021] show_stack+0x2c/0x3c [ 44.476189][ T4021] dump_stack_lvl+0x108/0x170 [ 44.477319][ T4021] print_address_description+0x7c/0x3f0 [ 44.478754][ T4021] kasan_report+0x174/0x1e4 [ 44.479863][ T4021] __asan_report_load2_noabort+0x44/0x50 [ 44.481270][ T4021] hfsplus_uni2asc+0x624/0x1018 [ 44.482488][ T4021] hfsplus_listxattr+0x5bc/0xc9c [ 44.483656][ T4021] listxattr+0x29c/0x3e4 [ 44.484783][ T4021] __arm64_sys_llistxattr+0x13c/0x21c [ 44.486163][ T4021] invoke_syscall+0x98/0x2b8 [ 44.487319][ T4021] el0_svc_common+0x138/0x258 [ 44.488535][ T4021] do_el0_svc+0x58/0x14c [ 44.489593][ T4021] el0_svc+0x7c/0x1f0 [ 44.490659][ T4021] el0t_64_sync_handler+0x84/0xe4 [ 44.491899][ T4021] el0t_64_sync+0x1a0/0x1a4 [ 44.493070][ T4021] [ 44.493702][ T4021] Allocated by task 4021: [ 44.494779][ T4021] ____kasan_kmalloc+0xbc/0xfc [ 44.496032][ T4021] __kasan_kmalloc+0x10/0x1c [ 44.497290][ T4021] __kmalloc+0x29c/0x4c8 [ 44.498334][ T4021] hfsplus_find_init+0x84/0x1bc [ 44.499577][ T4021] hfsplus_listxattr+0x31c/0xc9c [ 44.500913][ T4021] listxattr+0x29c/0x3e4 [ 44.502000][ T4021] __arm64_sys_llistxattr+0x13c/0x21c [ 44.503398][ T4021] invoke_syscall+0x98/0x2b8 [ 44.504567][ T4021] el0_svc_common+0x138/0x258 [ 44.505713][ T4021] do_el0_svc+0x58/0x14c [ 44.506751][ T4021] el0_svc+0x7c/0x1f0 [ 44.507726][ T4021] el0t_64_sync_handler+0x84/0xe4 [ 44.509014][ T4021] el0t_64_sync+0x1a0/0x1a4 [ 44.510214][ T4021] [ 44.510778][ T4021] The buggy address belongs to the object at ffff0000cac2a800 [ 44.510778][ T4021] which belongs to the cache kmalloc-1k of size 1024 [ 44.514479][ T4021] The buggy address is located 536 bytes inside of [ 44.514479][ T4021] 1024-byte region [ffff0000cac2a800, ffff0000cac2ac00) [ 44.517844][ T4021] The buggy address belongs to the page: [ 44.519237][ T4021] page:00000000d71e3a32 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10ac28 [ 44.521945][ T4021] head:00000000d71e3a32 order:3 compound_mapcount:0 compound_pincount:0 [ 44.524119][ T4021] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 44.526184][ T4021] raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c0002780 [ 44.528398][ T4021] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 44.530636][ T4021] page dumped because: kasan: bad access detected [ 44.532261][ T4021] [ 44.532869][ T4021] Memory state around the buggy address: [ 44.534259][ T4021] ffff0000cac2a900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 44.536382][ T4021] ffff0000cac2a980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 44.538447][ T4021] >ffff0000cac2aa00: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.540520][ T4021] ^ [ 44.541796][ T4021] ffff0000cac2aa80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.544049][ T4021] ffff0000cac2ab00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 44.546063][ T4021] ================================================================== [ 44.548139][ T4021] Disabling lock debugging due to kernel taint [ 44.549990][ T4021] hfsplus: unicode conversion failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program