================================================================== BUG: KASAN: vmalloc-out-of-bounds in bpf_ringbuf_area_alloc kernel/bpf/ringbuf.c:110 [inline] BUG: KASAN: vmalloc-out-of-bounds in bpf_ringbuf_alloc kernel/bpf/ringbuf.c:133 [inline] BUG: KASAN: vmalloc-out-of-bounds in ringbuf_map_alloc kernel/bpf/ringbuf.c:172 [inline] BUG: KASAN: vmalloc-out-of-bounds in ringbuf_map_alloc+0x725/0x7b0 kernel/bpf/ringbuf.c:148 Write of size 8 at addr ffffc900153fa078 by task syz-executor.0/6349 CPU: 1 PID: 6349 Comm: syz-executor.0 Not tainted 5.17.0-rc2-next-20220201-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description.constprop.0.cold+0xf/0x3e0 mm/kasan/report.c:255 __kasan_report mm/kasan/report.c:442 [inline] kasan_report.cold+0x83/0xdf mm/kasan/report.c:459 bpf_ringbuf_area_alloc kernel/bpf/ringbuf.c:110 [inline] bpf_ringbuf_alloc kernel/bpf/ringbuf.c:133 [inline] ringbuf_map_alloc kernel/bpf/ringbuf.c:172 [inline] ringbuf_map_alloc+0x725/0x7b0 kernel/bpf/ringbuf.c:148 find_and_alloc_map kernel/bpf/syscall.c:128 [inline] map_create kernel/bpf/syscall.c:863 [inline] __sys_bpf+0xc0f/0x5f10 kernel/bpf/syscall.c:4622 __do_sys_bpf kernel/bpf/syscall.c:4744 [inline] __se_sys_bpf kernel/bpf/syscall.c:4742 [inline] __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4742 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fdfa82c9059 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdfa723e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fdfa83dbf60 RCX: 00007fdfa82c9059 RDX: 0000000000000048 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007fdfa832308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd27c225af R14: 00007fdfa723e300 R15: 0000000000022000 Memory state around the buggy address: ffffc900153f9f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc900153f9f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 >ffffc900153fa000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ^ ffffc900153fa080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffc900153fa100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ==================================================================