------------[ cut here ]------------ WARNING: CPU: 0 PID: 3553 at kernel/softirq.c:376 __local_bh_enable_ip+0x1b3/0x1f0 Modules linked in: CPU: 0 PID: 3553 Comm: syz-fuzzer Not tainted 6.1.84-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:__local_bh_enable_ip+0x1b3/0x1f0 kernel/softirq.c:376 Code: 04 25 28 00 00 00 48 3b 44 24 60 75 4a 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b e9 d0 fe ff ff e8 3f 00 00 00 eb a2 <0f> 0b e9 02 ff ff ff 48 c7 c1 e4 9e 73 8e 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc90003b5f760 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 1ffff9200076bef0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff88981ad0 RBP: ffffc90003b5f820 R08: dffffc0000000000 R09: ffffed100f203c02 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000004 R14: ffffc90003b5f7a0 R15: 0000000000000201 FS: 000000c001019490(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001dc0 CR3: 00000000279b3000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: sock_hash_delete_elem+0x1a0/0x2f0 net/core/sock_map.c:940 bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:989 [inline] __bpf_prog_run include/linux/filter.h:603 [inline] bpf_prog_run include/linux/filter.h:610 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2273 [inline] bpf_trace_run3+0x231/0x440 kernel/trace/bpf_trace.c:2313 __bpf_trace_kmem_cache_free+0x99/0xc0 include/trace/events/kmem.h:114 trace_kmem_cache_free include/trace/events/kmem.h:114 [inline] kmem_cache_free+0x418/0x510 mm/slub.c:3682 __sigqueue_free kernel/signal.c:458 [inline] collect_signal kernel/signal.c:601 [inline] __dequeue_signal+0x4ac/0x5c0 kernel/signal.c:623 dequeue_signal+0xd4/0x590 kernel/signal.c:643 get_signal+0x5f2/0x17d0 kernel/signal.c:2742 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 irqentry_exit_to_user_mode+0x5/0x30 kernel/entry/common.c:316 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0033:0x669a25 Code: 0f 1f 44 00 00 4d 39 fd 0f 87 47 01 00 00 45 31 db eb 65 48 8b 5c 24 50 48 39 f1 74 44 81 e1 ff 7f 00 00 8b 8c 88 68 00 08 00 <48> 2b 88 68 00 0a 00 48 39 f1 7c 21 48 85 c9 0f 8d 5f ff ff ff eb RSP: 002b:000000c0000975b8 EFLAGS: 00000202 RAX: 000000c000b80000 RBX: 0000000000000000 RCX: 000000000054a7fd RDX: 0000000000010000 RSI: 0000000000002c91 RDI: 0000000000000003 RBP: 000000c000097610 R08: 000000000000ad93 R09: 000000c00104c000 R10: 000000000000001e R11: 0000000000000ffe R12: 000000c001056c91 R13: 0000000000000102 R14: 000000c0006796c0 R15: 000000000000536f