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BUG: KMSAN: uninit-value in trie_delete_elem+0xc0/0xbe0 kernel/bpf/lpm_trie.c:448
 trie_delete_elem+0xc0/0xbe0 kernel/bpf/lpm_trie.c:448
 ____bpf_map_delete_elem kernel/bpf/helpers.c:77 [inline]
 bpf_map_delete_elem+0x5c/0x80 kernel/bpf/helpers.c:73
 ___bpf_prog_run+0x13fe/0xe0f0 kernel/bpf/core.c:1997
 __bpf_prog_run32+0xb2/0xe0 kernel/bpf/core.c:2236
 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
 __bpf_prog_run include/linux/filter.h:657 [inline]
 bpf_prog_run include/linux/filter.h:664 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]
 bpf_trace_run2+0x116/0x300 kernel/trace/bpf_trace.c:2420
 __bpf_trace_kfree+0x29/0x40 include/trace/events/kmem.h:94
 trace_kfree include/trace/events/kmem.h:94 [inline]
 kfree+0x69e/0xa60 mm/slub.c:4450
 btrfs_put_transaction+0x6d5/0x730 fs/btrfs/transaction.c:170
 btrfs_commit_transaction+0x47c0/0x6eb0 fs/btrfs/transaction.c:2553
 btrfs_sync_fs+0x328/0x910 fs/btrfs/super.c:1006
 sync_filesystem+0x2e1/0x3c0 fs/sync.c:66
 generic_shutdown_super+0x8b/0x4c0 fs/super.c:620
 kill_anon_super+0x47/0x2f0 fs/super.c:1225
 btrfs_kill_super+0x3d/0x70 fs/btrfs/super.c:2091
 deactivate_locked_super+0xe0/0x3f0 fs/super.c:472
 deactivate_super+0x14f/0x160 fs/super.c:505
 cleanup_mnt+0x6c6/0x730 fs/namespace.c:1267
 __cleanup_mnt+0x22/0x30 fs/namespace.c:1274
 task_work_run+0x268/0x310 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xce/0x160 kernel/entry/common.c:218
 do_syscall_64+0xdc/0x1e0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable stack created at:
 __bpf_prog_run32+0x43/0xe0 kernel/bpf/core.c:2236
 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
 __bpf_prog_run include/linux/filter.h:657 [inline]
 bpf_prog_run include/linux/filter.h:664 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]
 bpf_trace_run2+0x116/0x300 kernel/trace/bpf_trace.c:2420

CPU: 1 PID: 6231 Comm: syz-executor.1 Not tainted 6.9.0-syzkaller-02707-g614da38e2f7a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
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