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🐞 Open [1167] 🐞 Fixed [4324] 🐞 Invalid [9670] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in pcpu_alloc / pcpu_balance_workfn | 4 | 952d | 963d | 0/24 | auto-closed as invalid on 2020/08/04 06:35 | |||
upstream | KCSAN: data-race in pcpu_alloc / pcpu_balance_workfn (4) | 12 | 249d | 420d | 0/24 | auto-closed as invalid on 2022/07/08 11:31 | |||
upstream | KCSAN: data-race in pcpu_alloc / pcpu_balance_workfn (3) | 12 | 673d | 770d | 0/24 | auto-closed as invalid on 2021/05/17 09:01 |
IPVS: ftp: loaded support on port[0] = 21 ================================================================== BUG: KCSAN: data-race in pcpu_alloc / pcpu_balance_workfn write to 0xffffffff8952501c of 4 bytes by task 12 on cpu 0: pcpu_update_empty_pages mm/percpu.c:558 [inline] pcpu_chunk_populated mm/percpu.c:1492 [inline] __pcpu_balance_workfn mm/percpu.c:2033 [inline] pcpu_balance_workfn+0xc6c/0xe30 mm/percpu.c:2069 process_one_work+0x3e1/0x9a0 kernel/workqueue.c:2269 worker_thread+0x665/0xbe0 kernel/workqueue.c:2415 kthread+0x20d/0x230 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 read to 0xffffffff8952501c of 4 bytes by task 15306 on cpu 1: pcpu_alloc+0xb36/0x1370 mm/percpu.c:1835 __alloc_percpu+0x20/0x30 mm/percpu.c:1907 ipv6_init_mibs net/ipv6/af_inet6.c:900 [inline] inet6_net_init+0x284/0x440 net/ipv6/af_inet6.c:958 ops_init+0x1e8/0x230 net/core/net_namespace.c:151 setup_net+0x11b/0x630 net/core/net_namespace.c:341 copy_net_ns+0x24c/0x390 net/core/net_namespace.c:482 create_new_namespaces+0x216/0x520 kernel/nsproxy.c:110 copy_namespaces+0x114/0x180 kernel/nsproxy.c:179 copy_process+0x12ce/0x2dc0 kernel/fork.c:2072 _do_fork+0x14a/0x6c0 kernel/fork.c:2428 __do_sys_clone kernel/fork.c:2545 [inline] __se_sys_clone kernel/fork.c:2529 [inline] __x64_sys_clone+0xc8/0xf0 kernel/fork.c:2529 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 15306 Comm: syz-executor.2 Not tainted 5.9.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2020/09/23 19:54 | upstream | 805c6d3c1921 | 54289b08 | .config | console log | report | info | ||||
ci2-upstream-kcsan-gce | 2020/09/17 08:36 | upstream | 5925fa68fe82 | 8247808b | .config | console log | report | info | ||||
ci2-upstream-kcsan-gce | 2020/08/20 00:47 | upstream | 18445bf405cb | ed282a3a | .config | console log | report |