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================================================================== BUG: KCSAN: data-race in get_task_cred / get_task_cred write to 0xffff88812ae55458 of 4 bytes by task 8233 on cpu 0: get_cred_rcu include/linux/cred.h:265 [inline] get_task_cred+0xd2/0x120 kernel/cred.c:202 task_state fs/proc/array.c:173 [inline] proc_pid_status+0x17c/0x1000 fs/proc/array.c:413 proc_single_show+0x89/0xe0 fs/proc/base.c:756 seq_read+0x350/0x960 fs/seq_file.c:229 __vfs_read+0x67/0xc0 fs/read_write.c:425 vfs_read fs/read_write.c:461 [inline] vfs_read+0x143/0x2c0 fs/read_write.c:446 ksys_read+0xd5/0x1b0 fs/read_write.c:587 __do_sys_read fs/read_write.c:597 [inline] __se_sys_read fs/read_write.c:595 [inline] __x64_sys_read+0x4c/0x60 fs/read_write.c:595 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 write to 0xffff88812ae55458 of 4 bytes by task 8242 on cpu 1: get_cred_rcu include/linux/cred.h:265 [inline] get_task_cred+0xd2/0x120 kernel/cred.c:202 task_state fs/proc/array.c:173 [inline] proc_pid_status+0x17c/0x1000 fs/proc/array.c:413 proc_single_show+0x89/0xe0 fs/proc/base.c:756 seq_read+0x350/0x960 fs/seq_file.c:229 __vfs_read+0x67/0xc0 fs/read_write.c:425 vfs_read fs/read_write.c:461 [inline] vfs_read+0x143/0x2c0 fs/read_write.c:446 ksys_read+0xd5/0x1b0 fs/read_write.c:587 __do_sys_read fs/read_write.c:597 [inline] __se_sys_read fs/read_write.c:595 [inline] __x64_sys_read+0x4c/0x60 fs/read_write.c:595 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 8242 Comm: ps Not tainted 5.4.0-rc6+ #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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019/11/09 11:34 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | 1e35461e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2019/11/05 14:36 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | af5c522d | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2019/11/05 02:47 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | 76630fc9 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2019/11/04 15:22 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | 18e12644 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2019/11/02 17:59 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 997ccc67 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2019/10/29 14:47 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 5ea87a66 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2019/10/26 11:52 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 25bb509e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2019/10/24 07:46 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | d01bb02a | .config | console log | report | ci2-upstream-kcsan-gce |