Re: [syzbot] [bcachefs?] KMSAN: uninit-value in __bch2_alloc_v4_to_text

From: syzbot
Date: Thu Jun 19 2025 - 03:39:13 EST


Hello,

syzbot tried to test the proposed patch but the build/boot failed:

fs/bcachefs/btree_key_cache.c:141:13: error: invalid argument type 'void *' to unary expression


Tested on:

commit: fb4d33ab Merge tag '6.16-rc2-ksmbd-server-fixes' of gi..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=db26f33438d76de9
dashboard link: https://syzkaller.appspot.com/bug?extid=8eb51728519f6659ef7b
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
patch: https://syzkaller.appspot.com/x/patch.diff?x=17f7e370580000