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KCSAN: data-race in copyin / copyin (3)

Status: auto-obsoleted due to no activity on 2023/11/15 09:03
Subsystems: mm
[Documentation on labels]
First crash: 859d, last: 475d
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KCSAN: data-race in copyin / copyin mm 6 1699d 1805d 0/28 closed as invalid on 2020/06/18 14:24
upstream KCSAN: data-race in copyin / copyin (2) mm 1 902d 902d 0/28 auto-closed as invalid on 2022/09/14 16:33

Sample crash report:
==================================================================
BUG: KCSAN: data-race in copyin / copyin

write to 0xffff888128542000 of 4096 bytes by task 26842 on cpu 0:
 instrument_copy_from_user_before include/linux/instrumented.h:130 [inline]
 copyin+0x65/0x90 lib/iov_iter.c:192
 _copy_from_iter+0x260/0xa90 lib/iov_iter.c:390
 copy_page_from_iter+0x14f/0x280 lib/iov_iter.c:542
 process_vm_rw_pages mm/process_vm_access.c:43 [inline]
 process_vm_rw_single_vec mm/process_vm_access.c:117 [inline]
 process_vm_rw_core mm/process_vm_access.c:215 [inline]
 process_vm_rw+0x5d3/0x8c0 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+0x7a/0x90 mm/process_vm_access.c:298
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

write to 0xffff888128542000 of 4096 bytes by task 26841 on cpu 1:
 instrument_copy_from_user_before include/linux/instrumented.h:130 [inline]
 copyin+0x65/0x90 lib/iov_iter.c:192
 _copy_from_iter+0x260/0xa90 lib/iov_iter.c:390
 copy_page_from_iter+0x14f/0x280 lib/iov_iter.c:542
 process_vm_rw_pages mm/process_vm_access.c:43 [inline]
 process_vm_rw_single_vec mm/process_vm_access.c:117 [inline]
 process_vm_rw_core mm/process_vm_access.c:215 [inline]
 process_vm_rw+0x5d3/0x8c0 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+0x7a/0x90 mm/process_vm_access.c:298
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 26841 Comm: syz-executor.0 Not tainted 6.6.0-rc5-syzkaller-00055-g1c8b86a3799f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
==================================================================

Crashes (54):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/10/11 09:02 upstream 1c8b86a3799f 83165b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/10/07 07:02 upstream 82714078aee4 5e837c76 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/10/04 01:42 upstream 5e62ed3b1c8a 65faba36 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/09/26 23:12 upstream 50768a425b46 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/09/26 10:20 upstream 6465e260f487 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/09/15 20:09 upstream e42bebf6db29 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/09/14 06:49 upstream 23f108dc9ed2 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/09/11 05:13 upstream 1548b060d6f3 6654cf89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/09/08 23:19 upstream a48fa7efaf11 6654cf89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/09/07 07:34 upstream 744a759492b5 72324844 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/08/28 19:35 upstream 2dde18cd1d8f 7ba13a15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/08/08 04:18 upstream a027b2eca0b7 b1b6ae3d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/07/09 23:14 upstream 06c2afb862f9 668cb1fa .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/06/29 04:25 upstream 6aeadf7896bf ca69c785 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/06/22 22:26 upstream dad9774deaf1 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/06/21 10:57 upstream 99ec1ed7c2ed 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/06/17 17:09 upstream 1639fae5132b f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/06/04 18:58 upstream e5282a7d8f6b a4ae4f42 .config console log report info ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/05/08 07:25 upstream 17784de648be 90c93c40 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/04/26 21:40 upstream 5c7ecada25d2 8d843721 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/04/24 01:37 upstream 457391b03803 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/04/18 10:22 upstream 6a8f57ae2eb0 436577a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/04/17 16:11 upstream 6a8f57ae2eb0 c6ec7083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/04/15 09:57 upstream 7a934f4bd7d6 ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/04/15 04:45 upstream 95abc817ab3a ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/04/04 14:52 upstream 148341f0a2f5 928dd177 .config console log report info ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/04/04 04:24 upstream 148341f0a2f5 41147e3e .config console log report info ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/03/06 07:44 upstream f915322fe014 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/03/05 05:45 upstream b01fe98d34f3 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/03/04 18:27 upstream 0988a0ea7919 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/03/04 06:18 upstream 0a3f9a6b0265 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/02/11 14:51 upstream 420b2d431d18 93e26d60 .config console log report info ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/02/01 14:51 upstream c0b67534c95c 9a6f477c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/01/31 00:10 upstream 6d796c50f84c b68fb8d6 .config console log report info ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/01/30 06:44 upstream ab072681eabe 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2023/01/28 03:33 upstream 83abd4d4c4be 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/12/24 15:16 upstream 51094a24b85e 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/12/14 17:12 upstream e2ca6ba6ba01 b18f0a64 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/12/13 18:59 upstream 764822972d64 f6511626 .config console log report info ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/12/08 01:51 upstream 8ed710da2873 d88f3abb .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/12/04 02:06 upstream c2bf05db6c78 e080de16 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/12/01 00:50 upstream 04aa64375f48 4c2a66e8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/11/28 13:31 upstream b7b275e60bcd 247de55b .config console log report info ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/11/05 06:03 upstream 64c3dd0b98f5 6d752409 .config console log report info ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/10/31 02:47 upstream b72018ab8236 2a71366b .config console log report info ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/10/14 22:01 upstream 9c9155a3509a 67cb024c .config console log report info [disk image] [vmlinux] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/10/09 14:35 upstream a6afa4199d3d aea5da89 .config console log report info [disk image] [vmlinux] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/10/07 19:29 upstream 4c86114194e6 79a59635 .config console log report info [disk image] [vmlinux] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/10/04 23:32 upstream 725737e7c21d eab8f949 .config console log report info ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/10/03 11:34 upstream a962b54e162c feb56351 .config console log report info [disk image] [vmlinux] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/10/02 02:03 upstream ffb4d94b4314 feb56351 .config console log report info ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/09/30 20:16 upstream 70575e77839f feb56351 .config console log report info ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/09/30 15:17 upstream 987a926c1d8a 45fd7169 .config console log report info ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
2022/09/22 18:55 upstream dc164f4fb00a 0042f2b4 .config console log report info [disk image] [vmlinux] ci2-upstream-kcsan-gce KCSAN: data-race in copyin / copyin
* Struck through repros no longer work on HEAD.