===================================================== BUG: KMSAN: uninit-value in bch2_inode_unpack_v3 fs/bcachefs/inode.c:270 [inline] BUG: KMSAN: uninit-value in bch2_inode_unpack+0xaf0/0x4c40 fs/bcachefs/inode.c:323 bch2_inode_unpack_v3 fs/bcachefs/inode.c:270 [inline] bch2_inode_unpack+0xaf0/0x4c40 fs/bcachefs/inode.c:323 bch2_inode_peek_nowarn+0x4ec/0x5a0 fs/bcachefs/inode.c:351 bch2_inode_peek+0x9e/0x3b0 fs/bcachefs/inode.c:366 bch2_link_trans+0x349/0x990 fs/bcachefs/fs-common.c:201 __bch2_link+0x264/0x630 fs/bcachefs/fs.c:479 bch2_link+0x2c1/0x3d0 fs/bcachefs/fs.c:508 vfs_link+0x93d/0xb70 fs/namei.c:4613 do_linkat+0x4f5/0xfd0 fs/namei.c:4683 __do_sys_link fs/namei.c:4717 [inline] __se_sys_link fs/namei.c:4715 [inline] __ia32_sys_link+0xdc/0x140 fs/namei.c:4715 ia32_sys_call+0x1ca9/0x40a0 arch/x86/include/generated/asm/syscalls_32.h:10 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb4/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Uninit was stored to memory at: memcpy_u64s_small fs/bcachefs/util.h:511 [inline] bkey_reassemble fs/bcachefs/bkey.h:505 [inline] btree_key_cache_fill fs/bcachefs/btree_key_cache.c:454 [inline] bch2_btree_path_traverse_cached_slowpath+0x5f02/0x79f0 fs/bcachefs/btree_key_cache.c:530 bch2_btree_path_traverse_cached+0xd1a/0x1140 bch2_btree_path_traverse_one+0x737/0x5290 fs/bcachefs/btree_iter.c:1155 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:225 [inline] bch2_btree_iter_peek_slot+0x128c/0x3840 fs/bcachefs/btree_iter.c:2473 __bch2_bkey_get_iter fs/bcachefs/btree_iter.h:549 [inline] bch2_bkey_get_iter fs/bcachefs/btree_iter.h:563 [inline] bch2_inode_peek_nowarn+0x208/0x5a0 fs/bcachefs/inode.c:340 bch2_inode_peek+0x9e/0x3b0 fs/bcachefs/inode.c:366 bch2_link_trans+0x349/0x990 fs/bcachefs/fs-common.c:201 __bch2_link+0x264/0x630 fs/bcachefs/fs.c:479 bch2_link+0x2c1/0x3d0 fs/bcachefs/fs.c:508 vfs_link+0x93d/0xb70 fs/namei.c:4613 do_linkat+0x4f5/0xfd0 fs/namei.c:4683 __do_sys_link fs/namei.c:4717 [inline] __se_sys_link fs/namei.c:4715 [inline] __ia32_sys_link+0xdc/0x140 fs/namei.c:4715 ia32_sys_call+0x1ca9/0x40a0 arch/x86/include/generated/asm/syscalls_32.h:10 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb4/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e Uninit was created at: __kmalloc_large_node+0x231/0x370 mm/slub.c:3994 __do_kmalloc_node mm/slub.c:4027 [inline] __kmalloc_node+0xb10/0x10c0 mm/slub.c:4046 kmalloc_node include/linux/slab.h:648 [inline] kvmalloc_node+0xc0/0x2d0 mm/util.c:634 kvmalloc include/linux/slab.h:766 [inline] btree_bounce_alloc fs/bcachefs/btree_io.c:118 [inline] bch2_btree_node_read_done+0x4e68/0x75e0 fs/bcachefs/btree_io.c:1185 btree_node_read_work+0x8a5/0x1eb0 fs/bcachefs/btree_io.c:1324 bch2_btree_node_read+0x3d42/0x4b50 __bch2_btree_root_read fs/bcachefs/btree_io.c:1748 [inline] bch2_btree_root_read+0xa6c/0x13d0 fs/bcachefs/btree_io.c:1772 read_btree_roots+0x454/0xee0 fs/bcachefs/recovery.c:457 bch2_fs_recovery+0x7b6a/0x93e0 fs/bcachefs/recovery.c:785 bch2_fs_start+0x7b2/0xbd0 fs/bcachefs/super.c:1043 bch2_fs_open+0x152a/0x15f0 fs/bcachefs/super.c:2105 bch2_mount+0x90d/0x1d90 fs/bcachefs/fs.c:1906 legacy_get_tree+0x114/0x290 fs/fs_context.c:662 vfs_get_tree+0xa7/0x570 fs/super.c:1779 do_new_mount+0x71f/0x15e0 fs/namespace.c:3352 path_mount+0x742/0x1f20 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount+0x725/0x810 fs/namespace.c:3875 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:3875 ia32_sys_call+0x3a9a/0x40a0 arch/x86/include/generated/asm/syscalls_32.h:22 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb4/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449 entry_SYSENTER_compat_after_hwframe+0x84/0x8e CPU: 0 PID: 6925 Comm: syz-executor.1 Not tainted 6.9.0-syzkaller-02339-g101b7a97143a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 =====================================================