linux-kernel - [PATCH 2/2] f2fs: add dump_stack() in f2fs_handle_critical

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250212015413.666375-2-chao@kernel.org>
Date: Wed, 12 Feb 2025 09:54:13 +0800
From: Chao Yu <chao@...nel.org>
To: jaegeuk@...nel.org
Cc: linux-f2fs-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org,
	Chao Yu <chao@...nel.org>
Subject: [PATCH 2/2] f2fs: add dump_stack() in f2fs_handle_critical_error()

To show call stack, so that we can see who causes critical error, note
that it won't call dump_stack() for shutdown path.

Signed-off-by: Chao Yu <chao@...nel.org>
---
 fs/f2fs/super.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 24ded06c8980..1af78b75906b 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -4221,6 +4221,8 @@ void f2fs_handle_critical_error(struct f2fs_sb_info *sbi, unsigned char reason)
 
 	if (shutdown)
 		set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
+	else
+		dump_stack();
 
 	/*
 	 * Continue filesystem operators if errors=continue. Should not set
-- 
2.48.1.502.g6dc24dfdaf-goog