Warning: Permanently added '10.128.1.104' (ED25519) to the list of known hosts. executing program [ 37.197958][ T4290] loop0: detected capacity change from 0 to 1024 [ 37.213699][ T4290] ================================================================== [ 37.215487][ T4290] BUG: KASAN: slab-out-of-bounds in hfsplus_uni2asc+0x624/0x1018 [ 37.217076][ T4290] Read of size 2 at addr ffff0000d399d40c by task syz-executor289/4290 [ 37.218789][ T4290] [ 37.219299][ T4290] CPU: 0 PID: 4290 Comm: syz-executor289 Not tainted 6.1.119-syzkaller #0 [ 37.221062][ T4290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 37.223106][ T4290] Call trace: [ 37.223849][ T4290] dump_backtrace+0x1c8/0x1f4 [ 37.224851][ T4290] show_stack+0x2c/0x3c [ 37.225694][ T4290] dump_stack_lvl+0x108/0x170 [ 37.226853][ T4290] print_report+0x174/0x4c0 [ 37.227879][ T4290] kasan_report+0xd4/0x130 [ 37.228862][ T4290] __asan_report_load2_noabort+0x2c/0x38 [ 37.230047][ T4290] hfsplus_uni2asc+0x624/0x1018 [ 37.231084][ T4290] hfsplus_readdir+0x7a0/0xf28 [ 37.232017][ T4290] iterate_dir+0x1f4/0x4ec [ 37.232977][ T4290] __arm64_sys_getdents64+0x1c4/0x4a0 [ 37.234128][ T4290] invoke_syscall+0x98/0x2bc [ 37.235140][ T4290] el0_svc_common+0x138/0x258 [ 37.236124][ T4290] do_el0_svc+0x58/0x13c [ 37.237000][ T4290] el0_svc+0x58/0x168 [ 37.237884][ T4290] el0t_64_sync_handler+0x84/0xf0 [ 37.239023][ T4290] el0t_64_sync+0x18c/0x190 [ 37.239979][ T4290] [ 37.240442][ T4290] Allocated by task 4290: [ 37.241397][ T4290] kasan_set_track+0x4c/0x80 [ 37.242326][ T4290] kasan_save_alloc_info+0x24/0x30 [ 37.243374][ T4290] __kasan_kmalloc+0xac/0xc4 [ 37.244355][ T4290] __kmalloc+0xd8/0x1c4 [ 37.245251][ T4290] hfsplus_find_init+0x84/0x1bc [ 37.246338][ T4290] hfsplus_readdir+0x1c8/0xf28 [ 37.247314][ T4290] iterate_dir+0x1f4/0x4ec [ 37.248265][ T4290] __arm64_sys_getdents64+0x1c4/0x4a0 [ 37.249422][ T4290] invoke_syscall+0x98/0x2bc [ 37.250345][ T4290] el0_svc_common+0x138/0x258 [ 37.251333][ T4290] do_el0_svc+0x58/0x13c [ 37.252284][ T4290] el0_svc+0x58/0x168 [ 37.253155][ T4290] el0t_64_sync_handler+0x84/0xf0 [ 37.254240][ T4290] el0t_64_sync+0x18c/0x190 [ 37.255179][ T4290] [ 37.255687][ T4290] Last potentially related work creation: [ 37.256864][ T4290] kasan_save_stack+0x40/0x70 [ 37.257893][ T4290] __kasan_record_aux_stack+0xcc/0xe8 [ 37.258955][ T4290] kasan_record_aux_stack_noalloc+0x14/0x20 [ 37.260166][ T4290] call_rcu+0xfc/0xa40 [ 37.260985][ T4290] netlink_release+0x1274/0x179c [ 37.262083][ T4290] sock_close+0xb8/0x1fc [ 37.263051][ T4290] __fput+0x1c8/0x7c8 [ 37.263961][ T4290] ____fput+0x20/0x30 [ 37.264806][ T4290] task_work_run+0x240/0x2f0 [ 37.265868][ T4290] do_notify_resume+0x2080/0x2cb8 [ 37.267002][ T4290] el0_svc+0x9c/0x168 [ 37.267908][ T4290] el0t_64_sync_handler+0x84/0xf0 [ 37.268988][ T4290] el0t_64_sync+0x18c/0x190 [ 37.269991][ T4290] [ 37.270495][ T4290] The buggy address belongs to the object at ffff0000d399d000 [ 37.270495][ T4290] which belongs to the cache kmalloc-2k of size 2048 [ 37.273495][ T4290] The buggy address is located 1036 bytes inside of [ 37.273495][ T4290] 2048-byte region [ffff0000d399d000, ffff0000d399d800) [ 37.276445][ T4290] [ 37.276947][ T4290] The buggy address belongs to the physical page: [ 37.278314][ T4290] page:0000000066ebe15a refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x113998 [ 37.280425][ T4290] head:0000000066ebe15a order:3 compound_mapcount:0 compound_pincount:0 [ 37.282225][ T4290] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 37.284039][ T4290] raw: 05ffc00000010200 0000000000000000 dead000000000001 ffff0000c0002900 [ 37.285880][ T4290] raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000 [ 37.287755][ T4290] page dumped because: kasan: bad access detected [ 37.289150][ T4290] [ 37.289710][ T4290] Memory state around the buggy address: [ 37.290842][ T4290] ffff0000d399d300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.292627][ T4290] ffff0000d399d380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.294402][ T4290] >ffff0000d399d400: 00 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.296064][ T4290] ^ [ 37.296961][ T4290] ffff0000d399d480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.298700][ T4290] ffff0000d399d500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.300342][ T4290] ================================================================== [ 37.302664][ T4290] Disabling lock debugging due to kernel taint