2024 Suspicious rcu_dereference

Suspicious rcu_dereference_check usage

Author: juhe

August undefined, 2024

Splet>This >[ INFO: suspicious rcu_dereference_check() usage. >fs/nfs/delegation.c:348 invoked rcu_dereference_check() without protection! >other info that might help us debug this: … Splet19. okt. 2024 · RCU (Read-Copy Update)，是 Linux 中比较重要的一种同步机制。. 顾名思义就是“读，拷贝更新”，再直白点是“随意读，但更新数据的时候，需要先复制一份副本， …

Re: [BUG] msr-trace.h:42 suspicious rcu_dereference_check() usage!

SpletAll groups and messages ... ... Splet13. mar. 2024 · drivers/net/veth.c:1265 suspicious rcu_dereference_check () usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 1 lock held by syz-executor.0/5084: #0: ffffffff8e102ec8 (rtnl_mutex) {+.+.}- {3:3}, at: rtnl_lock net/core/rtnetlink.c:75 [inline] dangles stuffed animal

c - Is it safe to use rcu_dereference () inside local_bh_disable ...

Splet01. jul. 2011 · Summary:suspicious rcu_dereference_check() usage in block/cfq-iosched.c:2776 DescriptionChristian Casteyde2011-07-01 04:18:40 UTC Acer Aspire … SpletIn most RCU use cases, the rcu_dereference () primitive that accesses RCU-protected pointers must itself be protected by rcu_read_lock (). The Linux-kernel lockdep facility … SpletNext in thread: Thomas Gleixner: "Re: [BUG] msr-trace.h:42 suspicious rcu_dereference_check() usage!" Messages sorted by: On Tue, Nov 29, 2016 at … dangle snipe and celly shirt

locking - suspicious RCU usage? - Stack Overflow

SpletThe below stack-trace happens, because we don't hold a lock when dereferencing the dst from the socket. E.g., __sk_dst_get does the rcu_dereference_check. We should … Splet05. mar. 2012 · Sorted by: 3. You are not performing correct locking on the task list. For example, your yfkm2_kill () function should be: int yfkm2_kill (pid_t pid) { struct … dangle sword earringSpletWARNING: suspicious RCU usage: include/trace/events/tlb.h:57 suspicious rcu_dereference_check() usage! — Linux Memory Management birminham airport flights last

"SpletLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH] net: Fix suspicious RCU usage in bpf_sk_reuseport_detach() @ 2024-08-16 9:34 David Howells … " - Suspicious rcu_dereference_check usage

Suspicious rcu_dereference_check usage

Fix suspicious RCU usage in msr tracing. - mail-archive.com

SpletWARNING: suspicious RCU usage: include/trace/events/tlb.h:57 suspicious rcu_dereference_check() usage! — Linux Memory Management Splet23. okt. 2024 · mptcp_pm_create_subflow_or_signal_addr: suspicious rcu_dereference_check() usage #102 matttbeopened this issue Oct 23, 2024· 2 comments Assignees Labels bug Projects MPTCP Bugs Comments Copy link Member matttbecommented Oct 23, 2024• edited Probably since commit 4769ab7: During …

Did you know?

Splet*PATCH] trace: Use rcu_dereference_raw for hooks from trace-event subsystem @ 2024-08-03 2:34 Joel Fernandes (Google) 2024-08-03 7:32 ` Masami Hiramatsu 0 siblings, 1 reply; … Splet23. jan. 2024 · RCU (Read-Copy Update)，是 Linux 中比较重要的一种同步机制。. 顾名思义就是“读，拷贝更新”，再直白点是“随意读，但更新数据的时候，需要先复制一份副本， …

Splet10. mar. 2010 · 15510 – suspicious rcu_dereference_check () usage in scheduler_tick - suspicious rcu_dereference_check () usage in scheduler_tick Attachments Add an … SpletRe: INFO: suspicious rcu_dereference_check() usage. — Linux Network Development

Spletnet/wireless/reg.c:144 suspicious rcu_dereference_check() usage! From: Borislav Petkov Date: Fri Jan 22 2024 - 05:15:07 EST Next message: Mark Rutland: "Re: [PATCH] MIPS: … SpletRe: WARNING: suspicious RCU usage - sdhci-pltfm: SDHCI platform and OF driver helper From: Ulf Hansson Date: Tue Sep 01 2024 - 08:42:24 EST Next message: Christian Brauner: "Re: [PATCH v8 1/3] Add a new LSM-supporting anonymous inode interface" Previous message: Gene Chen: "Re: [PATCH 1/2] leds: mt6360: Add LED driver for MT6360" In reply …

Splet09. jul. 2024 · If you need to use the RCU-bh API, you need to use rcu_dereference_bh. You can see that if you called rcu_dereference_check after rcu_read_lock_bh, it would correctly surmise it is not called in a RCU read-side critical section; contrast the call to lock_is_held (&rcu_lock_map) with rcu_lock_acquire (&rcu_bh_lock_map); in your snippet above.

Splet04. mar. 2024 · From: Naresh Kamboju <> Date: Fri, 4 Mar 2024 18:55:08 +0530: Subject [next] WARNING: suspicious RCU usage : include/linux/cgroup.h:494 suspicious rcu_dereference ... dangle tablecloth holderSpletKernel.org Bugzilla – Bug 67751 Stack trace with suspicious RCU usage, when starting ovs-switchd Last modified: 2014-06-24 09:53:55 UTC birming universirty closing a porject toolkitSplet07. dec. 2024 · From this, your analyzer assumes that dt might be null at this point. However, immediately before that, you have the following line: dt.Columns.Add ("HEllo1", typeof (string)); which would produce NullReferenceException if dt is null. That's why your analyzer warns you that something is wrong here: it is either dt can't be null so the null ... dangle the caratSplet22. avg. 2024 · Date: Mon, 22 Aug 2024 01:58:26 -0700: Subject [syzbot] WARNING: suspicious RCU usage in __access_remote_vm: From: syzbot <> birminham photography adonSplet*PATCH] staging: vc04_services: Fix RCU dereference check @ 2024-12-29 15:32 Padmanabha Srinivasaiah 2024-12-29 19:13 ` Stefan Wahren 0 siblings, 1 reply; 8+ … dangle the baitSplet31. avg. 2016 · In short: rcu_dereference() should be used at read-side, protected by rcu_read_lock() or similar. rcu_dereference_protected() should be used at write-side (update-side) by the single writer, or protected by the lock which prevents several writers from concurrent modification of the dereferenced pointer. In such cases pointer cannot … birminham weather january 1985Splet[ 67.123458] [ 67.123458] other info that might help us debug this: [ 67.123458] [ 67.123474] [ 67.123474] RCU used illegally from idle CPU! [ 67.123474] rcu_scheduler_active = 1, … dangle snowflake earrings