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================================================================== BUG: KCSAN: data-race in exit_signals / mm_access write to 0xffff8880981ee024 of 4 bytes by task 6695 on cpu 1: exit_signals+0x124/0x580 kernel/signal.c:2831 do_exit+0x19f/0x16e0 kernel/exit.c:761 do_group_exit+0x17a/0x180 kernel/exit.c:903 __do_sys_exit_group+0xb/0x10 kernel/exit.c:914 __se_sys_exit_group+0x5/0x10 kernel/exit.c:912 __x64_sys_exit_group+0x16/0x20 kernel/exit.c:912 do_syscall_64+0x51/0xb0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8880981ee024 of 4 bytes by task 6704 on cpu 0: get_task_mm kernel/fork.c:1229 [inline] mm_access+0x87/0x170 kernel/fork.c:1248 process_vm_rw_core+0x1b5/0x760 mm/process_vm_access.c:205 process_vm_rw+0x14e/0x1d0 mm/process_vm_access.c:286 __do_sys_process_vm_readv mm/process_vm_access.c:300 [inline] __se_sys_process_vm_readv mm/process_vm_access.c:296 [inline] __x64_sys_process_vm_readv+0x76/0x90 mm/process_vm_access.c:296 do_syscall_64+0x51/0xb0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 6704 Comm: syz-executor.0 Not tainted 5.8.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
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2020/08/05 07:45 | upstream | c0842fbc1b18 | 02034dac | .config | console log | report | ci2-upstream-kcsan-gce |