RDX: 00000000000000b0 RSI: 00000000200000c0 RDI: 0000000020000200 RBP: 00007ffc129600b0 R08: 0000000000000002 R09: aaaaaaaaaaaa0102 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007f91ae7e177c R14: 0000000000000003 R15: 0000000000000001 ================================================================== BUG: KASAN: out-of-bounds in memset include/linux/string.h:362 [inline] BUG: KASAN: out-of-bounds in udf_write_fi+0x8f9/0xf40 fs/udf/namei.c:93 Write of size 18446744073709551328 at addr ffff88808ce4a920 by task syz-executor370/8112 CPU: 0 PID: 8112 Comm: syz-executor370 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 print_address_description.cold+0x54/0x219 mm/kasan/report.c:256 kasan_report_error.cold+0x8a/0x1b9 mm/kasan/report.c:354 kasan_report+0x8f/0xa0 mm/kasan/report.c:412 memset+0x20/0x40 mm/kasan/kasan.c:285 memset include/linux/string.h:362 [inline] udf_write_fi+0x8f9/0xf40 fs/udf/namei.c:93 udf_rename+0x45e/0x1270 fs/udf/namei.c:1185 vfs_rename+0x67e/0x1bc0 fs/namei.c:4479 do_renameat2+0xb59/0xc70 fs/namei.c:4629 __do_sys_rename fs/namei.c:4675 [inline] __se_sys_rename fs/namei.c:4673 [inline] __x64_sys_rename+0x5d/0x80 fs/namei.c:4673 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f91ae7734b9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc12960068 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f91ae7734b9 RDX: 00000000000000b0 RSI: 00000000200000c0 RDI: 0000000020000200 RBP: 00007ffc129600b0 R08: 0000000000000002 R09: aaaaaaaaaaaa0102 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007f91ae7e177c R14: 0000000000000003 R15: 0000000000000001 The buggy address belongs to the page: page:ffffea0002339280 count:2 mapcount:0 mapping:ffff8880b1b0fae0 index:0xe flags: 0xfff00000001074(referenced|dirty|lru|active|private) raw: 00fff00000001074 ffffea000295a608 ffffea00023392c8 ffff8880b1b0fae0 raw: 000000000000000e ffff88808dbd8d20 00000002ffffffff ffff8880b59f68c0 page dumped because: kasan: bad access detected page->mem_cgroup:ffff8880b59f68c0 Memory state around the buggy address: ffff88808ce4a800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88808ce4a880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88808ce4a900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff88808ce4a980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88808ce4aa00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================