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🐞 Open [971] 🐞 Fixed [3860] 🐞 Invalid [8303] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in copy_page_from_iter / copy_page_from_iter | 4 | 673d | 696d | 0/22 | auto-closed as invalid on 2020/09/24 11:06 | |||
upstream | KCSAN: data-race in copy_page_from_iter / copy_page_from_iter (2) | 17 | 402d | 451d | 0/22 | auto-closed as invalid on 2021/06/22 00:41 | |||
upstream | KCSAN: data-race in copy_page_from_iter / copy_page_from_iter (4) | 64 | 4h31m | 68d | 0/22 | moderation: reported on 2022/04/17 07:45 |
================================================================== BUG: KCSAN: data-race in copy_page_from_iter / copy_page_from_iter write to 0xffff888121d68000 of 4096 bytes by task 12313 on cpu 1: instrument_copy_from_user include/linux/instrumented.h:136 [inline] copyin lib/iov_iter.c:167 [inline] copy_page_from_iter_iovec lib/iov_iter.c:312 [inline] copy_page_from_iter+0x261/0x530 lib/iov_iter.c:851 process_vm_rw_pages mm/process_vm_access.c:43 [inline] process_vm_rw_single_vec+0x294/0x460 mm/process_vm_access.c:117 process_vm_rw_core mm/process_vm_access.c:215 [inline] process_vm_rw+0x347/0x4e0 mm/process_vm_access.c:283 __do_sys_process_vm_writev mm/process_vm_access.c:303 [inline] __se_sys_process_vm_writev mm/process_vm_access.c:298 [inline] __x64_sys_process_vm_writev+0x76/0x90 mm/process_vm_access.c:298 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae write to 0xffff888121d68000 of 4096 bytes by task 12331 on cpu 0: instrument_copy_from_user include/linux/instrumented.h:136 [inline] copyin lib/iov_iter.c:167 [inline] copy_page_from_iter_iovec lib/iov_iter.c:312 [inline] copy_page_from_iter+0x261/0x530 lib/iov_iter.c:851 process_vm_rw_pages mm/process_vm_access.c:43 [inline] process_vm_rw_single_vec+0x294/0x460 mm/process_vm_access.c:117 process_vm_rw_core mm/process_vm_access.c:215 [inline] process_vm_rw+0x347/0x4e0 mm/process_vm_access.c:283 __do_sys_process_vm_writev mm/process_vm_access.c:303 [inline] __se_sys_process_vm_writev mm/process_vm_access.c:298 [inline] __x64_sys_process_vm_writev+0x76/0x90 mm/process_vm_access.c:298 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 12331 Comm: syz-executor.3 Not tainted 5.14.0-rc5-syzkaller #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 | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2021/08/10 15:00 | upstream | 9a73fa375d58 | 6972b106 | .config | log | report | info | KCSAN: data-race in copy_page_from_iter / copy_page_from_iter | ||
ci2-upstream-kcsan-gce | 2021/08/07 17:22 | upstream | c9194f32bfd9 | 6972b106 | .config | log | report | info | KCSAN: data-race in copy_page_from_iter / copy_page_from_iter | ||
ci2-upstream-kcsan-gce | 2021/08/03 12:19 | upstream | c500bee1c5b2 | 6c236867 | .config | log | report | info | KCSAN: data-race in copy_page_from_iter / copy_page_from_iter | ||
ci2-upstream-kcsan-gce | 2021/07/14 07:55 | upstream | 40226a3d96ef | 484502bd | .config | log | report | info | KCSAN: data-race in copy_page_from_iter / copy_page_from_iter |