================================================================== BUG: KCSAN: data-race in munlock_vma_pages_range / register_for_each_vma write to 0xffff888137340f50 of 8 bytes by task 26161 on cpu 0: munlock_vma_pages_range+0x52/0x430 mm/mlock.c:423 munlock_vma_pages_all mm/internal.h:367 [inline] __do_munmap+0x428/0x1340 mm/mmap.c:2898 do_munmap mm/mmap.c:2923 [inline] munmap_vma_range mm/mmap.c:604 [inline] mmap_region+0x58a/0x13e0 mm/mmap.c:1756 do_mmap+0x77d/0xc90 mm/mmap.c:1587 vm_mmap_pgoff+0xfc/0x1d0 mm/util.c:519 ksys_mmap_pgoff+0x2a8/0x380 mm/mmap.c:1638 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888137340f50 of 8 bytes by task 26151 on cpu 1: valid_vma kernel/events/uprobes.c:128 [inline] build_map_info kernel/events/uprobes.c:976 [inline] register_for_each_vma+0xfb/0x890 kernel/events/uprobes.c:1041 uprobe_apply+0x8b/0x260 kernel/events/uprobes.c:1229 uprobe_perf_open kernel/trace/trace_uprobe.c:1316 [inline] trace_uprobe_register+0x2b6/0x410 kernel/trace/trace_uprobe.c:1468 perf_trace_event_open kernel/trace/trace_event_perf.c:186 [inline] perf_trace_event_init+0xf8/0x790 kernel/trace/trace_event_perf.c:208 perf_uprobe_init+0xf5/0x140 kernel/trace/trace_event_perf.c:336 perf_uprobe_event_init+0xde/0x140 kernel/events/core.c:9875 perf_try_init_event+0x21a/0x400 kernel/events/core.c:11192 perf_init_event kernel/events/core.c:11256 [inline] perf_event_alloc+0xa60/0x1790 kernel/events/core.c:11547 __do_sys_perf_event_open kernel/events/core.c:12036 [inline] __se_sys_perf_event_open+0x5c7/0x2740 kernel/events/core.c:11928 __x64_sys_perf_event_open+0x63/0x70 kernel/events/core.c:11928 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 26151 Comm: syz-executor.2 Tainted: G W 5.13.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================