./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2439085031 <...> Warning: Permanently added '10.128.0.241' (ED25519) to the list of known hosts. execve("./syz-executor2439085031", ["./syz-executor2439085031"], 0x7ffeacfea050 /* 10 vars */) = 0 brk(NULL) = 0x555556b10000 brk(0x555556b10d00) = 0x555556b10d00 arch_prctl(ARCH_SET_FS, 0x555556b10380) = 0 set_tid_address(0x555556b10650) = 5074 set_robust_list(0x555556b10660, 24) = 0 rseq(0x555556b10ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2439085031", 4096) = 28 getrandom("\x19\xa0\xce\x6d\x08\xb9\x8a\x9a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556b10d00 brk(0x555556b31d00) = 0x555556b31d00 brk(0x555556b32000) = 0x555556b32000 mprotect(0x7f70bac90000, 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 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [ 74.627192][ T5074] ------------[ cut here ]------------ [ 74.632711][ T5074] kernel BUG at lib/nlattr.c:411! [ 74.637995][ T5074] invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 74.644449][ T5074] CPU: 1 PID: 5074 Comm: syz-executor243 Not tainted 6.8.0-rc7-syzkaller-02431-gd7e14e534493 #0 [ 74.654951][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 74.665008][ T5074] RIP: 0010:__nla_validate_parse+0x2f61/0x2f70 [ 74.671184][ T5074] Code: 48 8b 4c 24 18 80 e1 07 38 c1 0f 8c e0 f7 ff ff 48 8b 7c 24 18 e8 ff 0e 1d fd e9 d1 f7 ff ff e8 d5 c2 91 06 e8 50 64 ba fc 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 [ 74.691419][ T5074] RSP: 0018:ffffc900041b6ec0 EFLAGS: 00010293 [ 74.697586][ T5074] RAX: ffffffff84d90ad0 RBX: ffffffff8caa11e0 RCX: ffff8880283bd940 [ 74.706343][ T5074] RDX: 0000000000000000 RSI: 000000000000004e RDI: 0000000000000015 [ 74.714396][ T5074] RBP: ffffc900041b7100 R08: ffffffff84d8df5b R09: 0000000000000000 [ 74.722447][ T5074] R10: ffffc900041b71a0 R11: fffff52000836e46 R12: 0000000000000008 [ 74.730864][ T5074] R13: 1ffff11003d97c83 R14: 000000000000004e R15: 0000000000000008 [ 74.738838][ T5074] FS: 0000555556b10380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 74.747763][ T5074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.754356][ T5074] CR2: 000000000045ad50 CR3: 000000007aa22000 CR4: 00000000003506f0 [ 74.762321][ T5074] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.770372][ T5074] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.778333][ T5074] Call Trace: [ 74.781621][ T5074] [ 74.784549][ T5074] ? __die_body+0x8b/0xe0 [ 74.788898][ T5074] ? die+0xcf/0x110 [ 74.792710][ T5074] ? do_trap+0x157/0x390 [ 74.797317][ T5074] ? __nla_validate_parse+0x2f61/0x2f70 [ 74.802872][ T5074] ? do_error_trap+0x1dc/0x2c0 [ 74.807659][ T5074] ? __nla_validate_parse+0x2f61/0x2f70 [ 74.813226][ T5074] ? __pfx_do_error_trap+0x10/0x10 [ 74.818345][ T5074] ? handle_invalid_op+0x34/0x40 [ 74.823516][ T5074] ? __nla_validate_parse+0x2f61/0x2f70 [ 74.829087][ T5074] ? exc_invalid_op+0x38/0x50 [ 74.833893][ T5074] ? asm_exc_invalid_op+0x1a/0x20 [ 74.838920][ T5074] ? __nla_validate_parse+0x3eb/0x2f70 [ 74.844375][ T5074] ? __nla_validate_parse+0x2f60/0x2f70 [ 74.849920][ T5074] ? __nla_validate_parse+0x2f61/0x2f70 [ 74.855484][ T5074] ? __pfx___nla_validate_parse+0x10/0x10 [ 74.861228][ T5074] __nla_parse+0x40/0x60 [ 74.865481][ T5074] rtm_del_nexthop+0x257/0x6d0 [ 74.870442][ T5074] ? __pfx_rtm_del_nexthop+0x10/0x10 [ 74.875731][ T5074] ? trace_contention_end+0x3c/0x100 [ 74.881399][ T5074] ? rcu_read_unlock+0x8c/0xa0 [ 74.886160][ T5074] ? __pfx___mutex_lock+0x10/0x10 [ 74.891189][ T5074] ? __pfx_rtm_del_nexthop+0x10/0x10 [ 74.896476][ T5074] rtnetlink_rcv_msg+0x89b/0x10d0 [ 74.901500][ T5074] ? rtnetlink_rcv_msg+0x208/0x10d0 [ 74.906696][ T5074] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 74.912154][ T5074] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 74.918330][ T5074] ? __pfx_validate_chain+0x10/0x10 [ 74.923549][ T5074] ? __pfx_validate_chain+0x10/0x10 [ 74.928761][ T5074] ? mark_lock+0x9a/0x350 [ 74.933176][ T5074] ? __pfx_validate_chain+0x10/0x10 [ 74.938369][ T5074] ? __lock_acquire+0x1345/0x1fd0 [ 74.943414][ T5074] ? mark_lock+0x9a/0x350 [ 74.947740][ T5074] ? __lock_acquire+0x1345/0x1fd0 [ 74.952804][ T5074] netlink_rcv_skb+0x1e3/0x430 [ 74.957653][ T5074] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 74.963109][ T5074] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 74.968414][ T5074] ? netlink_deliver_tap+0x2e/0x1b0 [ 74.973720][ T5074] netlink_unicast+0x7ea/0x980 [ 74.978521][ T5074] ? __pfx_netlink_unicast+0x10/0x10 [ 74.983821][ T5074] ? __virt_addr_valid+0x44e/0x520 [ 74.988942][ T5074] ? __phys_addr_symbol+0x2f/0x70 [ 74.993977][ T5074] ? __check_object_size+0x4bb/0xa00 [ 74.999267][ T5074] ? bpf_lsm_netlink_send+0x9/0x10 [ 75.004395][ T5074] netlink_sendmsg+0x8e0/0xcb0 [ 75.009182][ T5074] ? __pfx_netlink_sendmsg+0x10/0x10 [ 75.014479][ T5074] ? __import_iovec+0x536/0x820 [ 75.019945][ T5074] ? aa_sock_msg_perm+0x91/0x160 [ 75.024889][ T5074] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 75.030439][ T5074] ? security_socket_sendmsg+0x87/0xb0 [ 75.035929][ T5074] ? __pfx_netlink_sendmsg+0x10/0x10 [ 75.041207][ T5074] __sock_sendmsg+0x221/0x270 [ 75.045907][ T5074] ____sys_sendmsg+0x525/0x7d0 [ 75.050684][ T5074] ? __pfx_____sys_sendmsg+0x10/0x10 [ 75.056080][ T5074] ? do_raw_spin_lock+0x14e/0x370 [ 75.061130][ T5074] __sys_sendmsg+0x2b0/0x3a0 [ 75.065766][ T5074] ? __pfx___sys_sendmsg+0x10/0x10 [ 75.070898][ T5074] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 75.077243][ T5074] ? _raw_spin_unlock_irq+0x2e/0x50 [ 75.082543][ T5074] ? ptrace_notify+0x278/0x380 [ 75.087321][ T5074] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 75.093646][ T5074] ? exc_page_fault+0x587/0x870 [ 75.098498][ T5074] ? syscall_trace_enter+0x5e/0x150 [ 75.103711][ T5074] do_syscall_64+0xf9/0x240 [ 75.108209][ T5074] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 75.114099][ T5074] RIP: 0033:0x7f70bac1d369 [ 75.118508][ T5074] 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 [ 75.138192][ T5074] RSP: 002b:00007ffcffdc2f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.146598][ T5074] RAX: ffffffffffffffda RBX: 00007ffcffdc3108 RCX: 00007f70bac1d369 [ 75.154561][ T5074] RDX: 0000000000000000 RSI: 0000000020000640 RDI: 0000000000000003 [ 75.162521][ T5074] RBP: 00007f70bac90610 R08: 0000000000000000 R09: 00007ffcffdc3108 [ 75.170486][ T5074] R10: 00007f70bac589e3 R11: 0000000000000246 R12: 0000000000000001 [ 75.178450][ T5074] R13: 00007ffcffdc30f8 R14: 0000000000000001 R15: 0000000000000001 [ 75.186453][ T5074] [ 75.189477][ T5074] Modules linked in: [ 75.193851][ T5074] ---[ end trace 0000000000000000 ]--- [ 75.199738][ T5074] RIP: 0010:__nla_validate_parse+0x2f61/0x2f70 [ 75.205949][ T5074] Code: 48 8b 4c 24 18 80 e1 07 38 c1 0f 8c e0 f7 ff ff 48 8b 7c 24 18 e8 ff 0e 1d fd e9 d1 f7 ff ff e8 d5 c2 91 06 e8 50 64 ba fc 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 [ 75.225711][ T5074] RSP: 0018:ffffc900041b6ec0 EFLAGS: 00010293 [ 75.231818][ T5074] RAX: ffffffff84d90ad0 RBX: ffffffff8caa11e0 RCX: ffff8880283bd940 [ 75.239856][ T5074] RDX: 0000000000000000 RSI: 000000000000004e RDI: 0000000000000015 [ 75.247872][ T5074] RBP: ffffc900041b7100 R08: ffffffff84d8df5b R09: 0000000000000000 [ 75.255884][ T5074] R10: ffffc900041b71a0 R11: fffff52000836e46 R12: 0000000000000008 [ 75.263944][ T5074] R13: 1ffff11003d97c83 R14: 000000000000004e R15: 0000000000000008 [ 75.271984][ T5074] FS: 0000555556b10380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 75.281105][ T5074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.287834][ T5074] CR2: 000000000045ad50 CR3: 000000007aa22000 CR4: 00000000003506f0 [ 75.295828][ T5074] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.303933][ T5074] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.312182][ T5074] Kernel panic - not syncing: Fatal exception [ 75.318537][ T5074] Kernel Offset: disabled [ 75.322870][ T5074] Rebooting in 86400 seconds..