Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in do_exit / zap_pid_ns_processes (2) kernel | 1 | 806d | 806d | 0/26 | auto-closed as invalid on 2022/03/10 18:16 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in do_exit / zap_pid_ns_processes (2) kernel | 1 | 806d | 806d | 0/26 | auto-closed as invalid on 2022/03/10 18:16 |
================================================================== BUG: KCSAN: data-race in do_exit / zap_pid_ns_processes write to 0xffff88812379948c of 4 bytes by task 30473 on cpu 1: reparent_leader kernel/exit.c:601 [inline] forget_original_parent kernel/exit.c:653 [inline] exit_notify kernel/exit.c:669 [inline] do_exit+0x981/0x1560 kernel/exit.c:846 do_group_exit+0xce/0x1a0 kernel/exit.c:923 get_signal+0xfc3/0x1610 kernel/signal.c:2818 arch_do_signal_or_restart+0x2a/0x220 arch/x86/kernel/signal.c:789 handle_signal_work kernel/entry/common.c:147 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x109/0x190 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x20/0x40 kernel/entry/common.c:301 do_syscall_64+0x56/0x90 arch/x86/entry/common.c:57 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88812379948c of 4 bytes by task 30480 on cpu 0: thread_group_leader include/linux/sched/signal.h:667 [inline] zap_pid_ns_processes+0x39/0x370 kernel/pid_namespace.c:170 find_child_reaper kernel/exit.c:543 [inline] forget_original_parent kernel/exit.c:632 [inline] exit_notify kernel/exit.c:669 [inline] do_exit+0x13f0/0x1560 kernel/exit.c:846 do_group_exit+0xce/0x1a0 kernel/exit.c:923 get_signal+0xfc3/0x1610 kernel/signal.c:2818 arch_do_signal_or_restart+0x2a/0x220 arch/x86/kernel/signal.c:789 handle_signal_work kernel/entry/common.c:147 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x109/0x190 kernel/entry/common.c:208 irqentry_exit_to_user_mode+0x5/0x20 kernel/entry/common.c:314 irqentry_exit+0xe/0x30 kernel/entry/common.c:405 exc_general_protection+0x202/0x340 arch/x86/kernel/traps.c:531 asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:571 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 30480 Comm: syz-executor.1 Tainted: G W 5.12.0-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/05/05 19:55 | upstream | d665ea6ea86c | 06c27ff5 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in do_exit / zap_pid_ns_processes |