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Tue, 24 Mar 2026 17:32:21 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [f2fs-dev] [PATCH] f2fs: fix to avoid uninit-value access in f2fs_sanity_check_node_footer From: patchwork-bot+f2fs@kernel.org Message-Id: <177437354028.1223048.9913948444381685454.git-patchwork-notify@kernel.org> Date: Tue, 24 Mar 2026 17:32:20 +0000 References: <20260309022237.1680736-1-chao@kernel.org> In-Reply-To: <20260309022237.1680736-1-chao@kernel.org> To: Chao Yu Cc: jaegeuk@kernel.org, syzbot+9aac813cdc456cdd49f8@syzkaller.appspotmail.com, stable@kernel.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Hello: This patch was applied to jaegeuk/f2fs.git (dev) by Jaegeuk Kim : On Mon, 9 Mar 2026 02:22:37 +0000 you wrote: > syzbot reported a f2fs bug as below: > > BUG: KMSAN: uninit-value in f2fs_sanity_check_node_footer+0x374/0xa20 fs/f2fs/node.c:1520 > f2fs_sanity_check_node_footer+0x374/0xa20 fs/f2fs/node.c:1520 > f2fs_finish_read_bio+0xe1e/0x1d60 fs/f2fs/data.c:177 > f2fs_read_end_io+0x6ab/0x2220 fs/f2fs/data.c:-1 > bio_endio+0x1006/0x1160 block/bio.c:1792 > submit_bio_noacct+0x533/0x2960 block/blk-core.c:891 > submit_bio+0x57a/0x620 block/blk-core.c:926 > blk_crypto_submit_bio include/linux/blk-crypto.h:203 [inline] > f2fs_submit_read_bio+0x12c/0x360 fs/f2fs/data.c:557 > f2fs_submit_page_bio+0xee2/0x1450 fs/f2fs/data.c:775 > read_node_folio+0x384/0x4b0 fs/f2fs/node.c:1481 > __get_node_folio+0x5db/0x15d0 fs/f2fs/node.c:1576 > f2fs_get_inode_folio+0x40/0x50 fs/f2fs/node.c:1623 > do_read_inode fs/f2fs/inode.c:425 [inline] > f2fs_iget+0x1209/0x9380 fs/f2fs/inode.c:596 > f2fs_fill_super+0x8f5a/0xb2e0 fs/f2fs/super.c:5184 > get_tree_bdev_flags+0x6e6/0x920 fs/super.c:1694 > get_tree_bdev+0x38/0x50 fs/super.c:1717 > f2fs_get_tree+0x35/0x40 fs/f2fs/super.c:5436 > vfs_get_tree+0xb3/0x5d0 fs/super.c:1754 > fc_mount fs/namespace.c:1193 [inline] > do_new_mount_fc fs/namespace.c:3763 [inline] > do_new_mount+0x885/0x1dd0 fs/namespace.c:3839 > path_mount+0x7a2/0x20b0 fs/namespace.c:4159 > do_mount fs/namespace.c:4172 [inline] > __do_sys_mount fs/namespace.c:4361 [inline] > __se_sys_mount+0x704/0x7f0 fs/namespace.c:4338 > __x64_sys_mount+0xe4/0x150 fs/namespace.c:4338 > x64_sys_call+0x39f0/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:166 > do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] > do_syscall_64+0x134/0xf80 arch/x86/entry/syscall_64.c:94 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > > [...] Here is the summary with links: - [f2fs-dev] f2fs: fix to avoid uninit-value access in f2fs_sanity_check_node_footer https://git.kernel.org/jaegeuk/f2fs/c/7e00e868a0db You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html