Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in do_syslog / do_syslog kernel | 1 | 1266d | 1236d | 0/26 | auto-closed as invalid on 2020/12/21 11:58 |
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================================================================== BUG: KCSAN: data-race in do_syslog / do_syslog write to 0xffffffff84530510 of 8 bytes by task 1614 on cpu 1: syslog_print kernel/printk/printk.c:1463 [inline] do_syslog+0xf87/0x1160 kernel/printk/printk.c:1588 kmsg_read+0x7a/0xa0 fs/proc/kmsg.c:40 pde_read fs/proc/inode.c:321 [inline] proc_reg_read+0xe1/0x1b0 fs/proc/inode.c:331 vfs_read+0x154/0x5d0 fs/read_write.c:494 ksys_read+0xce/0x180 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x3e/0x50 fs/read_write.c:642 do_syscall_64+0x34/0x50 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffffffff84530510 of 8 bytes by task 3196 on cpu 0: do_syslog+0xc88/0x1160 kernel/printk/printk.c:1584 __do_sys_syslog kernel/printk/printk.c:1680 [inline] __se_sys_syslog kernel/printk/printk.c:1678 [inline] __x64_sys_syslog+0x3f/0x50 kernel/printk/printk.c:1678 do_syscall_64+0x34/0x50 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3196 Comm: syz-executor.3 Not tainted 5.12.0-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/04/26 11:52 | upstream | 9f4ad9e425a1 | 805b5003 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in do_syslog / do_syslog |