Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in copy_process / ksys_unshare (2) kernel | 3 | 799d | 839d | 0/26 | auto-closed as invalid on 2022/03/17 05:22 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in copy_process / ksys_unshare (2) kernel | 3 | 799d | 839d | 0/26 | auto-closed as invalid on 2022/03/17 05:22 |
================================================================== BUG: KCSAN: data-race in copy_process / ksys_unshare write to 0xffff88810083b300 of 4 bytes by task 15832 on cpu 1: copy_fs kernel/fork.c:1525 [inline] copy_process+0xf1d/0x2fa0 kernel/fork.c:2185 kernel_clone+0x15c/0x680 kernel/fork.c:2584 __do_sys_clone kernel/fork.c:2701 [inline] __se_sys_clone kernel/fork.c:2685 [inline] __x64_sys_clone+0xc6/0xf0 kernel/fork.c:2685 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88810083b300 of 4 bytes by task 15841 on cpu 0: unshare_fs kernel/fork.c:2990 [inline] ksys_unshare+0x23d/0x740 kernel/fork.c:3068 __do_sys_unshare kernel/fork.c:3151 [inline] __se_sys_unshare kernel/fork.c:3149 [inline] __x64_sys_unshare+0x1b/0x20 kernel/fork.c:3149 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00000003 -> 0x00000004 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 15841 Comm: syz-executor.0 Not tainted 5.15.0-rc4-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/10/07 12:42 | upstream | 5af4055fa813 | 62ee0987 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in copy_process / ksys_unshare |