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| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | KCSAN: data-race in _copy_from_iter / _copy_from_iter mm | 8 | 301d | 346d | 0/26 | auto-obsoleted due to no activity on 2023/08/24 22:03 | |||
| upstream | KCSAN: data-race in _copy_from_iter / _copy_from_iter (2) mm | 18 | 78d | 159d | 0/26 | auto-obsoleted due to no activity on 2024/04/04 01:00 |
================================================================== BUG: KCSAN: data-race in _copy_from_iter / _copy_from_iter write to 0xffff88810d203000 of 4096 bytes by task 22265 on cpu 0: instrument_copy_from_user_before include/linux/instrumented.h:130 [inline] copy_from_user_iter lib/iov_iter.c:54 [inline] iterate_ubuf include/linux/iov_iter.h:29 [inline] iterate_and_advance2 include/linux/iov_iter.h:245 [inline] iterate_and_advance include/linux/iov_iter.h:271 [inline] __copy_from_iter lib/iov_iter.c:249 [inline] _copy_from_iter+0x129/0xb00 lib/iov_iter.c:260 copy_page_from_iter+0x14f/0x280 lib/iov_iter.c:422 process_vm_rw_pages mm/process_vm_access.c:43 [inline] process_vm_rw_single_vec mm/process_vm_access.c:118 [inline] process_vm_rw_core mm/process_vm_access.c:216 [inline] process_vm_rw+0x5d6/0x8c0 mm/process_vm_access.c:284 __do_sys_process_vm_writev mm/process_vm_access.c:304 [inline] __se_sys_process_vm_writev mm/process_vm_access.c:299 [inline] __x64_sys_process_vm_writev+0x7a/0x90 mm/process_vm_access.c:299 x64_sys_call+0x2ae1/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:312 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f write to 0xffff88810d203000 of 4096 bytes by task 22267 on cpu 1: instrument_copy_from_user_before include/linux/instrumented.h:130 [inline] copy_from_user_iter lib/iov_iter.c:54 [inline] iterate_ubuf include/linux/iov_iter.h:29 [inline] iterate_and_advance2 include/linux/iov_iter.h:245 [inline] iterate_and_advance include/linux/iov_iter.h:271 [inline] __copy_from_iter lib/iov_iter.c:249 [inline] _copy_from_iter+0x129/0xb00 lib/iov_iter.c:260 copy_page_from_iter+0x14f/0x280 lib/iov_iter.c:422 process_vm_rw_pages mm/process_vm_access.c:43 [inline] process_vm_rw_single_vec mm/process_vm_access.c:118 [inline] process_vm_rw_core mm/process_vm_access.c:216 [inline] process_vm_rw+0x5d6/0x8c0 mm/process_vm_access.c:284 __do_sys_process_vm_writev mm/process_vm_access.c:304 [inline] __se_sys_process_vm_writev mm/process_vm_access.c:299 [inline] __x64_sys_process_vm_writev+0x7a/0x90 mm/process_vm_access.c:299 x64_sys_call+0x2ae1/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:312 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 22267 Comm: syz-executor.1 Tainted: G W 6.9.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/04/29 10:30 | upstream | e67572cd2204 | 27e33c58 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in _copy_from_iter / _copy_from_iter |