Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 10441 Comm: syz.0.1870 Not tainted 6.10.0-rc6-syzkaller-00169-gf0c180256937 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:dev_map_enqueue+0x31/0x3e0 kernel/bpf/devmap.c:539 Code: 41 56 41 55 41 54 53 48 83 ec 18 49 89 d4 49 89 f5 48 89 fd 49 be 00 00 00 00 00 fc ff df e8 06 a1 d7 ff 48 89 e8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 ef e8 10 56 3d 00 4c 8b 7d 00 48 83 c5 RSP: 0018:ffffc900046d7678 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000040000 RDX: ffffc90004449000 RSI: 0000000000000ab7 RDI: 0000000000000ab8 RBP: 0000000000000000 R08: ffffffff8961a266 R09: ffffffff8961a223 R10: 0000000000000004 R11: ffff88801cb8da00 R12: ffff888063c6a000 R13: ffff88807aa74070 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fe8e48bb6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2d1b87 CR3: 000000005cbd2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __xdp_do_redirect_frame net/core/filter.c:4402 [inline] xdp_do_redirect_frame+0x2a6/0x660 net/core/filter.c:4456 xdp_test_run_batch net/bpf/test_run.c:336 [inline] bpf_test_run_xdp_live+0xe60/0x1e60 net/bpf/test_run.c:384 bpf_prog_test_run_xdp+0x80e/0x11b0 net/bpf/test_run.c:1281 bpf_prog_test_run+0x33a/0x3b0 kernel/bpf/syscall.c:4292 __sys_bpf+0x48d/0x810 kernel/bpf/syscall.c:5706 __do_sys_bpf kernel/bpf/syscall.c:5795 [inline] __se_sys_bpf kernel/bpf/syscall.c:5793 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5793 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: 0033:0x7fe8e3b75bd9 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:00007fe8e48bb048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fe8e3d03f60 RCX: 00007fe8e3b75bd9 RDX: 0000000000000050 RSI: 0000000020000240 RDI: 000000000000000a RBP: 00007fe8e3be4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe8e3d03f60 R15: 00007fff73c1df08 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:dev_map_enqueue+0x31/0x3e0 kernel/bpf/devmap.c:539 Code: 41 56 41 55 41 54 53 48 83 ec 18 49 89 d4 49 89 f5 48 89 fd 49 be 00 00 00 00 00 fc ff df e8 06 a1 d7 ff 48 89 e8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 ef e8 10 56 3d 00 4c 8b 7d 00 48 83 c5 RSP: 0018:ffffc900046d7678 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000040000 RDX: ffffc90004449000 RSI: 0000000000000ab7 RDI: 0000000000000ab8 RBP: 0000000000000000 R08: ffffffff8961a266 R09: ffffffff8961a223 R10: 0000000000000004 R11: ffff88801cb8da00 R12: ffff888063c6a000 R13: ffff88807aa74070 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fe8e48bb6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2d1b87 CR3: 000000005cbd2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 41 56 push %r14 2: 41 55 push %r13 4: 41 54 push %r12 6: 53 push %rbx 7: 48 83 ec 18 sub $0x18,%rsp b: 49 89 d4 mov %rdx,%r12 e: 49 89 f5 mov %rsi,%r13 11: 48 89 fd mov %rdi,%rbp 14: 49 be 00 00 00 00 00 movabs $0xdffffc0000000000,%r14 1b: fc ff df 1e: e8 06 a1 d7 ff call 0xffd7a129 23: 48 89 e8 mov %rbp,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 ef mov %rbp,%rdi 34: e8 10 56 3d 00 call 0x3d5649 39: 4c 8b 7d 00 mov 0x0(%rbp),%r15 3d: 48 rex.W 3e: 83 .byte 0x83 3f: c5 .byte 0xc5