===================================================== BUG: KMSAN: uninit-value in sock_map_delete_elem+0x15e/0x1c0 net/core/sock_map.c:442 sock_map_delete_elem+0x15e/0x1c0 net/core/sock_map.c:442 ____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_run64+0xb5/0xe0 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_run8+0x1bd/0x3a0 kernel/trace/bpf_trace.c:2426 __bpf_trace_jbd2_handle_stats+0x51/0x70 include/trace/events/jbd2.h:210 trace_jbd2_handle_stats include/trace/events/jbd2.h:210 [inline] jbd2_journal_stop+0x1157/0x12c0 fs/jbd2/transaction.c:1869 __ext4_journal_stop+0x115/0x310 fs/ext4/ext4_jbd2.c:134 ext4_dirty_inode+0x1a7/0x1d0 fs/ext4/inode.c:5943 __mark_inode_dirty+0x2c3/0x11d0 fs/fs-writeback.c:2477 generic_update_time fs/inode.c:1907 [inline] inode_update_time fs/inode.c:1920 [inline] touch_atime+0x99b/0xa90 fs/inode.c:1992 file_accessed include/linux/fs.h:2457 [inline] iterate_dir+0x75e/0x870 fs/readdir.c:113 __do_sys_getdents64 fs/readdir.c:409 [inline] __se_sys_getdents64+0x169/0x530 fs/readdir.c:394 __ia32_sys_getdents64+0x93/0xe0 fs/readdir.c:394 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xba/0x120 arch/x86/entry/common.c:321 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:346 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:384 entry_SYSENTER_compat_after_hwframe+0x7f/0x89 Local variable stack created at: __bpf_prog_run64+0x45/0xe0 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_run8+0x1bd/0x3a0 kernel/trace/bpf_trace.c:2426 CPU: 0 PID: 8584 Comm: syz-executor.3 Not tainted 6.9.0-rc1-syzkaller-00206-g4535e1a4174c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 =====================================================