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================================================================== BUG: KCSAN: data-race in __set_oom_adj / do_nanosleep write to 0xffff88811f4b70a4 of 4 bytes by task 25374 on cpu 0: freezer_count include/linux/freezer.h:121 [inline] freezable_schedule include/linux/freezer.h:173 [inline] do_nanosleep+0x14d/0x320 kernel/time/hrtimer.c:1874 hrtimer_nanosleep+0x136/0x230 kernel/time/hrtimer.c:1927 __do_sys_nanosleep kernel/time/hrtimer.c:1961 [inline] __se_sys_nanosleep kernel/time/hrtimer.c:1948 [inline] __x64_sys_nanosleep+0x14b/0x190 kernel/time/hrtimer.c:1948 do_syscall_64+0xc7/0x390 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88811f4b70a4 of 4 bytes by task 26495 on cpu 1: __set_oom_adj+0x215/0x7a0 fs/proc/base.c:1103 oom_score_adj_write+0x139/0x170 fs/proc/base.c:1217 __vfs_write+0x58/0xb0 fs/read_write.c:494 vfs_write fs/read_write.c:558 [inline] vfs_write+0x189/0x380 fs/read_write.c:542 ksys_write+0xc5/0x1a0 fs/read_write.c:611 __do_sys_write fs/read_write.c:623 [inline] __se_sys_write fs/read_write.c:620 [inline] __x64_sys_write+0x49/0x60 fs/read_write.c:620 do_syscall_64+0xc7/0x390 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 26495 Comm: syz-executor.5 Not tainted 5.6.0-rc1-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/03/27 13:53 | https://github.com/google/ktsan.git kcsan | 40959e34d670 | 831e9a81 | .config | console log | report | ci2-upstream-kcsan-gce |