Oops: general protection fault, probably for non-canonical address 0xe3fffb2400000000: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0x1ffff92000000000-0x1ffff92000000007] CPU: 0 UID: 0 PID: 27779 Comm: syz.4.4071 Not tainted 6.11.0-rc1-syzkaller-00044-g22f546873149 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:__cpu_map_flush+0x42/0xd0 Code: e8 13 d9 d6 ff 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 2d 12 3e 00 49 8b 1e 4c 39 f3 74 77 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 0f 12 3e 00 4c 8b 23 48 8d 7b c0 RSP: 0018:ffffc90000007bb0 EFLAGS: 00010216 RAX: 03ffff2400000000 RBX: 1ffff92000000000 RCX: ffff888070c6bc00 RDX: 0000000080000101 RSI: 0000000000000000 RDI: ffffc90004d1f800 RBP: dffffc0000000000 R08: ffffffff898e0d8a R09: 1ffffffff202f42d R10: dffffc0000000000 R11: fffffbfff202f42e R12: ffffc90004d1f800 R13: ffffc90004d1f7c0 R14: ffffc90004d1f800 R15: dffffc0000000000 FS: 00007f76ef5e06c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020061000 CR3: 000000004dd92000 CR4: 0000000000350ef0 Call Trace: xdp_do_check_flushed+0x136/0x240 net/core/filter.c:4311 __napi_poll+0xe4/0x490 net/core/dev.c:6774 napi_poll net/core/dev.c:6840 [inline] net_rx_action+0x89b/0x1240 net/core/dev.c:6962 handle_softirqs+0x2c6/0x970 kernel/softirq.c:554 do_softirq+0x11b/0x1e0 kernel/softirq.c:455 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:908 [inline] __dev_queue_xmit+0x1763/0x3e90 net/core/dev.c:4450 dev_queue_xmit include/linux/netdevice.h:3105 [inline] neigh_hh_output include/net/neighbour.h:526 [inline] neigh_output include/net/neighbour.h:540 [inline] ip_finish_output2+0xd41/0x1390 net/ipv4/ip_output.c:235 ip_local_out net/ipv4/ip_output.c:129 [inline] ip_send_skb net/ipv4/ip_output.c:1495 [inline] ip_push_pending_frames+0xbf/0x150 net/ipv4/ip_output.c:1515 raw_sendmsg+0x1ac5/0x2490 net/ipv4/raw.c:657 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2597 ___sys_sendmsg net/socket.c:2651 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2680 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f76ee7773b9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f76ef5e0048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f76ee905f80 RCX: 00007f76ee7773b9 RDX: 0000000000000000 RSI: 0000000020000a00 RDI: 0000000000000005 RBP: 00007f76ee7e48e6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f76ee905f80 R15: 00007ffcbf2bf698 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__cpu_map_flush+0x42/0xd0 Code: e8 13 d9 d6 ff 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 2d 12 3e 00 49 8b 1e 4c 39 f3 74 77 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 0f 12 3e 00 4c 8b 23 48 8d 7b c0 RSP: 0018:ffffc90000007bb0 EFLAGS: 00010216 RAX: 03ffff2400000000 RBX: 1ffff92000000000 RCX: ffff888070c6bc00 RDX: 0000000080000101 RSI: 0000000000000000 RDI: ffffc90004d1f800 RBP: dffffc0000000000 R08: ffffffff898e0d8a R09: 1ffffffff202f42d R10: dffffc0000000000 R11: fffffbfff202f42e R12: ffffc90004d1f800 R13: ffffc90004d1f7c0 R14: ffffc90004d1f800 R15: dffffc0000000000 FS: 00007f76ef5e06c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020061000 CR3: 000000004dd92000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: e8 13 d9 d6 ff call 0xffd6d918 5: 4c 89 f0 mov %r14,%rax 8: 48 c1 e8 03 shr $0x3,%rax c: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) 11: 74 08 je 0x1b 13: 4c 89 f7 mov %r14,%rdi 16: e8 2d 12 3e 00 call 0x3e1248 1b: 49 8b 1e mov (%r14),%rbx 1e: 4c 39 f3 cmp %r14,%rbx 21: 74 77 je 0x9a 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 df mov %rbx,%rdi 34: e8 0f 12 3e 00 call 0x3e1248 39: 4c 8b 23 mov (%rbx),%r12 3c: 48 8d 7b c0 lea -0x40(%rbx),%rdi