./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3917727871 <...> Warning: Permanently added '10.128.1.22' (ED25519) to the list of known hosts. execve("./syz-executor3917727871", ["./syz-executor3917727871"], 0x7fff69d703b0 /* 10 vars */) = 0 brk(NULL) = 0x55555717a000 brk(0x55555717ad00) = 0x55555717ad00 arch_prctl(ARCH_SET_FS, 0x55555717a380) = 0 set_tid_address(0x55555717a650) = 5064 set_robust_list(0x55555717a660, 24) = 0 rseq(0x55555717aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3917727871", 4096) = 28 getrandom("\x97\xb0\x1e\xd8\x9b\x7c\x42\x75", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555717ad00 brk(0x55555719bd00) = 0x55555719bd00 brk(0x55555719c000) = 0x55555719c000 mprotect(0x7f61619cd000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_XDP, insn_cnt=4, insns=0x20000200, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = 3 [ 94.544951][ T5064] Illegal XDP return value 4294946546 on prog (id 2) dev N/A, expect packet loss! [ 94.555441][ T5064] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 94.567270][ T5064] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 94.575702][ T5064] CPU: 0 PID: 5064 Comm: syz-executor391 Not tainted 6.7.0-rc2-syzkaller-00533-ga379972973a8 #0 [ 94.586133][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 94.596189][ T5064] RIP: 0010:page_pool_unlist+0xd1/0x170 [ 94.601779][ T5064] 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 1b ca 07 f9 48 8d [ 94.621493][ T5064] RSP: 0018:ffffc900039ff768 EFLAGS: 00010246 [ 94.627577][ T5064] RAX: dffffc0000000000 RBX: ffff88814ae02000 RCX: 0000000000000000 [ 94.635564][ T5064] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88814ae026f0 [ 94.643549][ T5064] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1d57fdc [ 94.651552][ T5064] R10: ffffffff8eabfee3 R11: ffffffff8aa0008b R12: 0000000000000000 [ 94.659537][ T5064] R13: ffff88814ae02000 R14: dffffc0000000000 R15: 0000000000000001 [ 94.667521][ T5064] FS: 000055555717a380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 94.676474][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.683079][ T5064] CR2: 0000000002555398 CR3: 0000000025044000 CR4: 00000000003506f0 [ 94.691084][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.699066][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.707051][ T5064] Call Trace: [ 94.710339][ T5064] [ 94.713280][ T5064] ? show_regs+0x8f/0xa0 [ 94.717553][ T5064] ? die_addr+0x4f/0xd0 [ 94.721738][ T5064] ? exc_general_protection+0x155/0x230 [ 94.727321][ T5064] ? asm_exc_general_protection+0x26/0x30 [ 94.733078][ T5064] ? entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 94.739183][ T5064] ? page_pool_unlist+0xd1/0x170 [ 94.744344][ T5064] ? page_pool_unlist+0x6e/0x170 [ 94.749312][ T5064] ? xdp_features_set_redirect_target+0x110/0x110 [ 94.755777][ T5064] page_pool_release+0x507/0x6b0 [ 94.760770][ T5064] page_pool_destroy+0x1ac/0x4c0 [ 94.765744][ T5064] bpf_test_run_xdp_live+0x1578/0x1af0 [ 94.771239][ T5064] ? bpf_test_finish.isra.0+0x6b0/0x6b0 [ 94.776812][ T5064] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 94.782839][ T5064] ? bpf_test_run_xdp_live+0x1af0/0x1af0 [ 94.788520][ T5064] ? _copy_from_user+0x5d/0xf0 [ 94.793314][ T5064] ? bpf_test_init.isra.0+0x111/0x150 [ 94.798710][ T5064] bpf_prog_test_run_xdp+0x827/0x1530 [ 94.804115][ T5064] ? __might_fault+0x13f/0x1a0 [ 94.808909][ T5064] ? reacquire_held_locks+0x4c0/0x4c0 [ 94.814315][ T5064] ? bpf_prog_test_run_skb+0x1dd0/0x1dd0 [ 94.819974][ T5064] ? preempt_count_sub+0x160/0x160 [ 94.825111][ T5064] ? __fget_light+0x1fc/0x260 [ 94.829810][ T5064] ? __bpf_prog_get+0xa0/0x2f0 [ 94.834608][ T5064] ? bpf_prog_test_run_skb+0x1dd0/0x1dd0 [ 94.840261][ T5064] __sys_bpf+0x11bf/0x4920 [ 94.844700][ T5064] ? bpf_perf_link_attach+0x540/0x540 [ 94.850095][ T5064] ? cgroup_update_frozen+0x144/0x6b0 [ 94.855500][ T5064] ? recalc_sigpending_tsk+0x187/0x1d0 [ 94.860978][ T5064] ? ptrace_stop.part.0+0x5c2/0x7a0 [ 94.866199][ T5064] ? find_held_lock+0x2d/0x110 [ 94.871009][ T5064] ? _raw_spin_unlock_irq+0x23/0x50 [ 94.876313][ T5064] ? lockdep_hardirqs_on+0x7d/0x110 [ 94.881540][ T5064] ? _raw_spin_unlock_irq+0x2e/0x50 [ 94.886770][ T5064] ? ptrace_notify+0xf4/0x130 [ 94.891493][ T5064] __x64_sys_bpf+0x78/0xc0 [ 94.896112][ T5064] ? syscall_enter_from_user_mode+0x107/0x120 [ 94.902223][ T5064] do_syscall_64+0x40/0x110 [ 94.906760][ T5064] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 94.912698][ T5064] RIP: 0033:0x7f616195a4a9 [ 94.917138][ T5064] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 [ 94.936766][ T5064] RSP: 002b:00007ffe858ce5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 94.945197][ T5064] RAX: ffffffffffffffda RBX: 00007ffe858ce798 RCX: 00007f616195a4a9 [ 94.953186][ T5064] RDX: 0000000000000048 RSI: 0000000020000340 RDI: 000000000000000a [ 94.961179][ T5064] RBP: 00007f61619cd610 R08: 0000000000000000 R09: 00007ffe858ce798 [ 94.969166][ T5064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 94.977150][ T5064] R13: 00007ffe858ce788 R14: 0000000000000001 R15: 0000000000000001 [ 94.985149][ T5064] [ 94.988178][ T5064] Modules linked in: [ 94.997907][ T5064] ---[ end trace 0000000000000000 ]--- [ 95.003427][ T5064] RIP: 0010:page_pool_unlist+0xd1/0x170 [ 95.008998][ T5064] 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 1b ca 07 f9 48 8d [ 95.028641][ T5064] RSP: 0018:ffffc900039ff768 EFLAGS: 00010246 [ 95.034740][ T5064] RAX: dffffc0000000000 RBX: ffff88814ae02000 RCX: 0000000000000000 [ 95.042764][ T5064] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88814ae026f0 [ 95.050757][ T5064] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1d57fdc [ 95.058771][ T5064] R10: ffffffff8eabfee3 R11: ffffffff8aa0008b R12: 0000000000000000 [ 95.066813][ T5064] R13: ffff88814ae02000 R14: dffffc0000000000 R15: 0000000000000001 [ 95.074830][ T5064] FS: 000055555717a380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 95.083933][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.090535][ T5064] CR2: 00007f2640df1b10 CR3: 0000000025044000 CR4: 00000000003506f0 [ 95.098628][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 95.106670][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 95.114711][ T5064] Kernel panic - not syncing: Fatal exception [ 95.120984][ T5064] Kernel Offset: disabled [ 95.125312][ T5064] Rebooting in 86400 seconds..