===================================================== BUG: KMSAN: uninit-value in bch2_inode_v3_validate+0x55b/0x6c0 fs/bcachefs/inode.c:509 bch2_inode_v3_validate+0x55b/0x6c0 fs/bcachefs/inode.c:509 bch2_bkey_val_validate+0x357/0x530 fs/bcachefs/bkey_methods.c:143 btree_node_bkey_val_validate fs/bcachefs/btree_io.c:838 [inline] bset_key_validate fs/bcachefs/btree_io.c:859 [inline] validate_bset_keys+0x204b/0x22c0 fs/bcachefs/btree_io.c:942 validate_bset_for_write+0x2b3/0x410 fs/bcachefs/btree_io.c:1987 __bch2_btree_node_write+0x5460/0x68b0 fs/bcachefs/btree_io.c:2197 bch2_btree_node_write_trans+0xd7/0x8a0 fs/bcachefs/btree_io.c:2357 btree_node_write_if_need fs/bcachefs/btree_io.h:153 [inline] __btree_node_flush+0x5e6/0x660 fs/bcachefs/btree_trans_commit.c:252 bch2_btree_node_flush1+0x38/0x60 fs/bcachefs/btree_trans_commit.c:266 journal_flush_pins+0x1335/0x1fa0 fs/bcachefs/journal_reclaim.c:589 __bch2_journal_reclaim+0xdab/0x1680 fs/bcachefs/journal_reclaim.c:722 bch2_journal_reclaim_thread+0x17f/0x750 fs/bcachefs/journal_reclaim.c:764 kthread+0x6b9/0xef0 kernel/kthread.c:464 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Uninit was stored to memory at: memcpy_u64s_small fs/bcachefs/util.h:416 [inline] bkey_p_copy fs/bcachefs/bkey.h:40 [inline] bch2_sort_keys_keep_unwritten_whiteouts+0x147d/0x1850 fs/bcachefs/bkey_sort.c:187 __bch2_btree_node_write+0x3b69/0x68b0 fs/bcachefs/btree_io.c:2140 bch2_btree_node_write_trans+0xd7/0x8a0 fs/bcachefs/btree_io.c:2357 btree_node_write_if_need fs/bcachefs/btree_io.h:153 [inline] __btree_node_flush+0x5e6/0x660 fs/bcachefs/btree_trans_commit.c:252 bch2_btree_node_flush1+0x38/0x60 fs/bcachefs/btree_trans_commit.c:266 journal_flush_pins+0x1335/0x1fa0 fs/bcachefs/journal_reclaim.c:589 __bch2_journal_reclaim+0xdab/0x1680 fs/bcachefs/journal_reclaim.c:722 bch2_journal_reclaim_thread+0x17f/0x750 fs/bcachefs/journal_reclaim.c:764 kthread+0x6b9/0xef0 kernel/kthread.c:464 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Uninit was created at: ___kmalloc_large_node+0x365/0x420 mm/slub.c:4273 __kmalloc_large_node_noprof+0x3f/0x1e0 mm/slub.c:4290 __do_kmalloc_node mm/slub.c:4306 [inline] __kvmalloc_node_noprof+0xa2/0x13d0 mm/slub.c:5003 btree_bounce_alloc fs/bcachefs/btree_io.c:123 [inline] btree_node_sort+0x793/0x1d80 fs/bcachefs/btree_io.c:322 bch2_btree_post_write_cleanup+0x1b0/0xfa0 fs/bcachefs/btree_io.c:2293 bch2_btree_node_write_trans+0x27f/0x8a0 fs/bcachefs/btree_io.c:2362 btree_node_write_if_need fs/bcachefs/btree_io.h:153 [inline] __btree_node_flush+0x5e6/0x660 fs/bcachefs/btree_trans_commit.c:252 bch2_btree_node_flush0+0x35/0x60 fs/bcachefs/btree_trans_commit.c:261 journal_flush_pins+0x1335/0x1fa0 fs/bcachefs/journal_reclaim.c:589 __bch2_journal_reclaim+0xdab/0x1680 fs/bcachefs/journal_reclaim.c:722 bch2_journal_reclaim_thread+0x17f/0x750 fs/bcachefs/journal_reclaim.c:764 kthread+0x6b9/0xef0 kernel/kthread.c:464 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 CPU: 1 UID: 0 PID: 6490 Comm: bch-reclaim/loo Not tainted 6.14.0-syzkaller-01103-g2df0c02dab82 #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 =====================================================