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🐞 Open [1168] 🐞 Fixed [4326] 🐞 Invalid [9672] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in prepare_signal / ptrace_attach (5) | 2 | 565d | 580d | 0/24 | auto-closed as invalid on 2021/08/26 15:59 | |||
upstream | KCSAN: data-race in prepare_signal / ptrace_attach | 1 | 959d | 959d | 0/24 | auto-closed as invalid on 2020/07/29 00:33 | |||
upstream | KCSAN: data-race in prepare_signal / ptrace_attach (6) | 1 | 408d | 408d | 0/24 | auto-closed as invalid on 2022/01/30 21:35 | |||
upstream | KCSAN: data-race in prepare_signal / ptrace_attach (2) | 3 | 883d | 918d | 0/24 | auto-closed as invalid on 2020/10/13 05:51 | |||
upstream | KCSAN: data-race in prepare_signal / ptrace_attach (7) | 1 | 345d | 345d | 0/24 | auto-closed as invalid on 2022/04/03 14:09 | |||
upstream | KCSAN: data-race in prepare_signal / ptrace_attach (4) | 1 | 650d | 650d | 0/24 | auto-closed as invalid on 2021/06/03 07:49 | |||
upstream | KCSAN: data-race in prepare_signal / ptrace_attach (3) | 2 | 744d | 778d | 0/24 | auto-closed as invalid on 2021/03/01 09:38 |
================================================================== BUG: KCSAN: data-race in prepare_signal / ptrace_attach write to 0xffff8881530b4e30 of 4 bytes by task 24545 on cpu 1: ptrace_attach+0x23d/0x3f0 kernel/ptrace.c:450 __do_sys_ptrace kernel/ptrace.c:1312 [inline] __se_sys_ptrace+0xc1/0x2d0 kernel/ptrace.c:1292 __x64_sys_ptrace+0x51/0x60 kernel/ptrace.c:1292 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff8881530b4e30 of 4 bytes by task 24546 on cpu 0: sig_ignored kernel/signal.c:116 [inline] prepare_signal+0xb78/0xda0 kernel/signal.c:965 __send_signal+0x63/0x740 kernel/signal.c:1085 send_signal+0x38f/0x3a0 kernel/signal.c:1248 force_sig_info_to_task+0x2b4/0x360 kernel/signal.c:1350 force_sig_fault_to_task kernel/signal.c:1721 [inline] force_sig_fault+0x61/0x90 kernel/signal.c:1727 __bad_area_nosemaphore+0x267/0x300 arch/x86/mm/fault.c:846 handle_page_fault arch/x86/mm/fault.c:1482 [inline] exc_page_fault+0x81/0x160 arch/x86/mm/fault.c:1540 asm_exc_page_fault+0x1e/0x30 value changed: 0x00000000 -> 0x00010001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 24546 Comm: syz-executor.3 Not tainted 5.18.0-rc7-syzkaller-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2022/05/16 14:18 | upstream | 42226c989789 | 744a39e2 | .config | console log | report | info | KCSAN: data-race in prepare_signal / ptrace_attach |