------------[ cut here ]------------ WARNING: CPU: 1 PID: 5266 at kernel/softirq.c:363 __local_bh_enable_ip+0x1b3/0x1f0 Modules linked in: CPU: 1 PID: 5266 Comm: syz-executor.2 Not tainted 5.15.153-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:363 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 c4 c8 e3 8d 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc90000dd05e0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 1ffff920001ba0c0 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff884ede60 RBP: ffffc90000dd06a0 R08: dffffc0000000000 R09: ffffed1002d35065 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: ffffc90000dd0620 R15: 0000000000000201 FS: 00007f29fc83f6c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f29fc81ed58 CR3: 0000000020835000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sock_hash_delete_elem+0x1a0/0x2f0 net/core/sock_map.c:945 bpf_prog_967a36a528e40c40+0x3f/0xbbc bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1917 __bpf_trace_kfree+0x6e/0x90 include/trace/events/kmem.h:118 trace_kfree include/trace/events/kmem.h:118 [inline] kfree+0x22f/0x270 mm/slub.c:4549 dummy_timer+0x838/0x3200 drivers/usb/gadget/udc/dummy_hcd.c:1981 call_timer_fn+0x16d/0x560 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1737 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1750 __do_softirq+0x3b3/0x93a kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:unwind_next_frame+0x6b5/0x1fa0 arch/x86/kernel/unwind_orc.c:471 Code: 00 44 89 e9 80 e1 07 38 c1 0f 8c 7d 03 00 00 be 02 00 00 00 4c 89 ef e8 39 8b 91 00 e9 f6 16 00 00 48 8b 44 24 48 80 3c 10 00 <48> 8b 5c 24 40 74 12 48 89 df e8 5c 8a 91 00 48 ba 00 00 00 00 00 RSP: 0018:ffffc900030073c8 EFLAGS: 00000246 RAX: 1ffff92000600e97 RBX: 0000000000000005 RCX: ffffffff8df81804 RDX: dffffc0000000000 RSI: ffffffff8e627636 RDI: ffffffff8df81800 RBP: ffffffff8e62763a R08: 0000000000000001 R09: ffffc90003007570 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1cc4ec7 R13: ffffffff81be25aa R14: ffffffff8e627636 R15: ffffc90003007480 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 save_stack+0xf6/0x1e0 mm/page_owner.c:119 __set_page_owner+0x37/0x300 mm/page_owner.c:181 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x322a/0x33c0 mm/page_alloc.c:4159 __alloc_pages+0x272/0x700 mm/page_alloc.c:5421 vm_area_alloc_pages mm/vmalloc.c:2868 [inline] __vmalloc_area_node mm/vmalloc.c:2924 [inline] __vmalloc_node_range+0x5ab/0x8c0 mm/vmalloc.c:3029 __bpf_map_area_alloc kernel/bpf/syscall.c:326 [inline] bpf_map_area_alloc+0xe0/0xf0 kernel/bpf/syscall.c:333 htab_map_alloc+0x39e/0x15a0 kernel/bpf/hashtab.c:528 find_and_alloc_map kernel/bpf/syscall.c:127 [inline] map_create+0x446/0x2070 kernel/bpf/syscall.c:877 __sys_bpf+0x276/0x670 kernel/bpf/syscall.c:4633 __do_sys_bpf kernel/bpf/syscall.c:4755 [inline] __se_sys_bpf kernel/bpf/syscall.c:4753 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4753 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f29fe2cce69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f29fc83f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f29fe3faf80 RCX: 00007f29fe2cce69 RDX: 0000000000000048 RSI: 0000000020000500 RDI: 0000000000000000 RBP: 00007f29fe31947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f29fe3faf80 R15: 00007ffdc6c6f148 ---------------- Code disassembly (best guess): 0: 00 44 89 e9 add %al,-0x17(%rcx,%rcx,4) 4: 80 e1 07 and $0x7,%cl 7: 38 c1 cmp %al,%cl 9: 0f 8c 7d 03 00 00 jl 0x38c f: be 02 00 00 00 mov $0x2,%esi 14: 4c 89 ef mov %r13,%rdi 17: e8 39 8b 91 00 call 0x918b55 1c: e9 f6 16 00 00 jmp 0x1717 21: 48 8b 44 24 48 mov 0x48(%rsp),%rax 26: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) * 2a: 48 8b 5c 24 40 mov 0x40(%rsp),%rbx <-- trapping instruction 2f: 74 12 je 0x43 31: 48 89 df mov %rbx,%rdi 34: e8 5c 8a 91 00 call 0x918a95 39: 48 rex.W 3a: ba 00 00 00 00 mov $0x0,%edx