Driver unsupported XDP return value 0 on prog (id 385) dev N/A, expect packet loss! general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 PID: 12099 Comm: syz-executor.4 Not tainted 6.7.0-rc2-syzkaller-00619-g7e0222686316 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:__hlist_del include/linux/list.h:988 [inline] RIP: 0010:hlist_del include/linux/list.h:1002 [inline] RIP: 0010:page_pool_unlist+0xd1/0x170 net/core/page_pool_user.c:342 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 90 00 00 00 4c 8b a3 f0 06 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 68 48 85 ed 49 89 2c 24 74 24 e8 bb c7 07 f9 48 8d RSP: 0018:ffffc9000e7e7768 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff888043f47000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888043f476f0 RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1d57fd4 R10: ffffffff8eabfea3 R11: ffffffff8aa0008b R12: 0000000000000000 R13: ffff888043f47000 R14: dffffc0000000000 R15: 0000000000000001 FS: 00007f459e0846c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fee08ec66e4 CR3: 00000000212ac000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __page_pool_destroy net/core/page_pool.c:851 [inline] page_pool_release+0x507/0x6b0 net/core/page_pool.c:891 page_pool_destroy+0x1ac/0x4c0 net/core/page_pool.c:956 xdp_test_run_teardown net/bpf/test_run.c:216 [inline] bpf_test_run_xdp_live+0x1578/0x1af0 net/bpf/test_run.c:388 bpf_prog_test_run_xdp+0x827/0x1530 net/bpf/test_run.c:1254 bpf_prog_test_run kernel/bpf/syscall.c:4041 [inline] __sys_bpf+0x11bf/0x4920 kernel/bpf/syscall.c:5402 __do_sys_bpf kernel/bpf/syscall.c:5488 [inline] __se_sys_bpf kernel/bpf/syscall.c:5486 [inline] __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5486 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f459d27cae9 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:00007f459e0840c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f459d39bf80 RCX: 00007f459d27cae9 RDX: 0000000000000050 RSI: 00000000200002c0 RDI: 000000000000000a RBP: 00007f459d2c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f459d39bf80 R15: 00007fffdf6b5ca8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__hlist_del include/linux/list.h:988 [inline] RIP: 0010:hlist_del include/linux/list.h:1002 [inline] RIP: 0010:page_pool_unlist+0xd1/0x170 net/core/page_pool_user.c:342 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 90 00 00 00 4c 8b a3 f0 06 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 68 48 85 ed 49 89 2c 24 74 24 e8 bb c7 07 f9 48 8d RSP: 0018:ffffc9000e7e7768 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff888043f47000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888043f476f0 RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1d57fd4 R10: ffffffff8eabfea3 R11: ffffffff8aa0008b R12: 0000000000000000 R13: ffff888043f47000 R14: dffffc0000000000 R15: 0000000000000001 FS: 00007f459e0846c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f559d575198 CR3: 00000000212ac000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: df 48 89 fisttps -0x77(%rax) 3: fa cli 4: 48 c1 ea 03 shr $0x3,%rdx 8: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) c: 0f 85 90 00 00 00 jne 0xa2 12: 4c 8b a3 f0 06 00 00 mov 0x6f0(%rbx),%r12 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 4c 89 e2 mov %r12,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 75 68 jne 0x98 30: 48 85 ed test %rbp,%rbp 33: 49 89 2c 24 mov %rbp,(%r12) 37: 74 24 je 0x5d 39: e8 bb c7 07 f9 call 0xf907c7f9 3e: 48 rex.W 3f: 8d .byte 0x8d