RDX: 0000000000000020 RSI: 0000000020000100 RDI: 0000000000000002 RBP: 0000000000000005 R08: 0000000000000001 R09: 00007ffc84560033 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ff0 R13: 0000000000402080 R14: 0000000000000000 R15: 0000000000000000 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8639 Comm: syz-executor358 Not tainted 5.3.0+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_add include/linux/list.h:64 [inline] RIP: 0010:list_add_tail include/linux/list.h:93 [inline] RIP: 0010:xsk_map_sock_add kernel/bpf/xskmap.c:62 [inline] RIP: 0010:xsk_map_update_elem+0x79c/0xac0 kernel/bpf/xskmap.c:265 Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 ef 02 00 00 4c 89 e2 4d 89 a7 d8 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 c0 02 00 00 49 8d 7c 24 08 49 8d 87 d0 05 00 00 RSP: 0018:ffff88808e55fbb8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff8880925d5c90 RCX: ffffffff81868070 RDX: 0000000000000000 RSI: ffffffff81868085 RDI: 0000000000000001 RBP: ffff88808e55fc78 R08: ffff8880a15823c0 R09: ffffed1011cabf65 R10: ffffed1011cabf64 R11: 0000000000000003 R12: 0000000000000000 R13: ffff8880925d5ca0 R14: ffff888089fac040 R15: ffff8880925d56c0 FS: 00005555564a7880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 00000000a4d9c000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: map_update_elem+0xc82/0x10b0 kernel/bpf/syscall.c:966 __do_sys_bpf+0x8b5/0x3350 kernel/bpf/syscall.c:2854 __se_sys_bpf kernel/bpf/syscall.c:2825 [inline] __x64_sys_bpf+0x73/0xb0 kernel/bpf/syscall.c:2825 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x440709 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 0f 83 5b 14 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffc8456cd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ffc8456cd80 RCX: 0000000000440709 RDX: 0000000000000020 RSI: 0000000020000100 RDI: 0000000000000002 RBP: 0000000000000005 R08: 0000000000000001 R09: 00007ffc84560033 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ff0 R13: 0000000000402080 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0c52e667328a1061 ]--- RIP: 0010:__list_add include/linux/list.h:64 [inline] RIP: 0010:list_add_tail include/linux/list.h:93 [inline] RIP: 0010:xsk_map_sock_add kernel/bpf/xskmap.c:62 [inline] RIP: 0010:xsk_map_update_elem+0x79c/0xac0 kernel/bpf/xskmap.c:265 Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 ef 02 00 00 4c 89 e2 4d 89 a7 d8 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 c0 02 00 00 49 8d 7c 24 08 49 8d 87 d0 05 00 00 RSP: 0018:ffff88808e55fbb8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff8880925d5c90 RCX: ffffffff81868070 RDX: 0000000000000000 RSI: ffffffff81868085 RDI: 0000000000000001 RBP: ffff88808e55fc78 R08: ffff8880a15823c0 R09: ffffed1011cabf65 R10: ffffed1011cabf64 R11: 0000000000000003 R12: 0000000000000000 R13: ffff8880925d5ca0 R14: ffff888089fac040 R15: ffff8880925d56c0 FS: 00005555564a7880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 00000000a4d9c000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400