=====================================================
BUG: KMSAN: uninit-value in bkey_cmp_p_or_unp fs/bcachefs/bset.h:287 [inline]
BUG: KMSAN: uninit-value in bkey_iter_cmp_p_or_unp fs/bcachefs/bset.h:400 [inline]
BUG: KMSAN: uninit-value in bch2_bset_search_linear fs/bcachefs/bset.c:1189 [inline]
BUG: KMSAN: uninit-value in bch2_btree_node_iter_init+0x3207/0x5220 fs/bcachefs/bset.c:1334
 bkey_cmp_p_or_unp fs/bcachefs/bset.h:287 [inline]
 bkey_iter_cmp_p_or_unp fs/bcachefs/bset.h:400 [inline]
 bch2_bset_search_linear fs/bcachefs/bset.c:1189 [inline]
 bch2_btree_node_iter_init+0x3207/0x5220 fs/bcachefs/bset.c:1334
 __btree_path_level_init fs/bcachefs/btree_iter.c:617 [inline]
 bch2_btree_path_level_init+0x82d/0xc90 fs/bcachefs/btree_iter.c:637
 btree_path_lock_root fs/bcachefs/btree_iter.c:787 [inline]
 bch2_btree_path_traverse_one+0x3322/0x47c0 fs/bcachefs/btree_iter.c:1203
 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:249 [inline]
 bch2_btree_iter_peek_node+0x322/0x1100 fs/bcachefs/btree_iter.c:1934
 async_btree_node_rewrite_trans fs/bcachefs/btree_update_interior.c:2210 [inline]
 async_btree_node_rewrite_work+0x29b/0x1aa0 fs/bcachefs/btree_update_interior.c:2253
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xc1d/0x1e80 kernel/workqueue.c:3319
 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3400
 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_node_data_alloc fs/bcachefs/btree_cache.c:156 [inline]
 __bch2_btree_node_mem_alloc+0x2be/0xa80 fs/bcachefs/btree_cache.c:201
 bch2_fs_btree_cache_init+0x4f0/0xb60 fs/bcachefs/btree_cache.c:655
 bch2_fs_alloc fs/bcachefs/super.c:919 [inline]
 bch2_fs_open+0x4d8a/0x5bb0 fs/bcachefs/super.c:2065
 bch2_fs_get_tree+0x98a/0x24e0 fs/bcachefs/fs.c:2190
 vfs_get_tree+0xb1/0x5a0 fs/super.c:1759
 do_new_mount+0x71f/0x15e0 fs/namespace.c:3878
 path_mount+0x742/0x1f10 fs/namespace.c:4205
 do_mount fs/namespace.c:4218 [inline]
 __do_sys_mount fs/namespace.c:4429 [inline]
 __se_sys_mount+0x71f/0x800 fs/namespace.c:4406
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4406
 x64_sys_call+0xed5/0x3c80 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 1 UID: 0 PID: 8796 Comm: kworker/u8:27 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
Workqueue: btree_node_rewrite async_btree_node_rewrite_work
=====================================================