./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor396758884 <...> Warning: Permanently added '10.128.1.32' (ED25519) to the list of known hosts. execve("./syz-executor396758884", ["./syz-executor396758884"], 0x7ffc3157d4a0 /* 10 vars */) = 0 brk(NULL) = 0x55555a646000 brk(0x55555a646d00) = 0x55555a646d00 arch_prctl(ARCH_SET_FS, 0x55555a646380) = 0 set_tid_address(0x55555a646650) = 5831 set_robust_list(0x55555a646660, 24) = 0 rseq(0x55555a646ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor396758884", 4096) = 27 getrandom("\xf7\x08\xff\xd7\xa0\xde\x97\xda", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555a646d00 brk(0x55555a667d00) = 0x55555a667d00 brk(0x55555a668000) = 0x55555a668000 mprotect(0x7efdc7caa000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 executing program write(1, "executing program\n", 18) = 18 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [ 91.893512][ T5831] netlink: 'syz-executor396': attribute type 1 has an invalid length. [ 91.902358][ T5831] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000055: 0000 [#1] SMP KASAN PTI [ 91.914257][ T5831] KASAN: null-ptr-deref in range [0x00000000000002a8-0x00000000000002af] [ 91.922680][ T5831] CPU: 1 UID: 0 PID: 5831 Comm: syz-executor396 Not tainted 6.15.0-syzkaller-07817-gb56bbaf8c9ff #0 PREEMPT(full) [ 91.935139][ T5831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 91.945198][ T5831] RIP: 0010:dev_set_group+0xc0/0x230 [ 91.950519][ T5831] Code: 03 43 80 3c 2f 00 74 08 48 89 df e8 4a 40 d4 f8 41 bd a8 02 00 00 4c 03 2b 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 22 40 d4 f8 31 c0 49 83 7d 00 00 0f [ 91.956674][ T9] cfg80211: failed to load regulatory.db [ 91.970118][ T5831] RSP: 0018:ffffc900044b6e60 EFLAGS: 00010206 [ 91.970147][ T5831] RAX: 0000000000000055 RBX: ffff88807cd70008 RCX: dffffc0000000000 [ 91.970162][ T5831] RDX: 0000000000000000 RSI: 0000000055690764 RDI: ffff88807cd70000 [ 91.970177][ T5831] RBP: ffff88807cd70000 R08: 0000000000400dc0 R09: 00000000ffffffff [ 92.005943][ T5831] R10: dffffc0000000000 R11: fffffbfff1f41637 R12: 0000000000000000 [ 92.013943][ T5831] R13: 00000000000002a8 R14: 1ffff1100f9ae198 R15: 1ffff1100f9ae001 [ 92.021925][ T5831] FS: 000055555a646380(0000) GS:ffff888125d66000(0000) knlGS:0000000000000000 [ 92.030875][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.037480][ T5831] CR2: 000055b521ae8448 CR3: 000000007996a000 CR4: 00000000003526f0 [ 92.045466][ T5831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.053445][ T5831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.061450][ T5831] Call Trace: [ 92.064736][ T5831] [ 92.067670][ T5831] rtnl_create_link+0x748/0xd10 [ 92.072533][ T5831] rtnl_newlink_create+0x25c/0xb00 [ 92.077662][ T5831] ? __pfx_aa_get_newest_label+0x10/0x10 [ 92.083311][ T5831] ? __pfx_rtnl_newlink_create+0x10/0x10 [ 92.088957][ T5831] ? rtnl_newlink+0x8db/0x1c70 [ 92.093734][ T5831] ? __pfx___mutex_lock+0x10/0x10 [ 92.098778][ T5831] ? ns_capable+0x8a/0xf0 [ 92.103122][ T5831] rtnl_newlink+0x16d6/0x1c70 [ 92.107825][ T5831] ? __pfx_rtnl_newlink+0x10/0x10 [ 92.112862][ T5831] ? __lock_acquire+0xab9/0xd20 [ 92.117727][ T5831] ? __lock_acquire+0xab9/0xd20 [ 92.122599][ T5831] ? is_bpf_text_address+0x26/0x2b0 [ 92.127808][ T5831] ? is_bpf_text_address+0x292/0x2b0 [ 92.133104][ T5831] ? is_bpf_text_address+0x26/0x2b0 [ 92.138314][ T5831] ? kernel_text_address+0xa5/0xe0 [ 92.143435][ T5831] ? __lock_acquire+0xab9/0xd20 [ 92.148306][ T5831] ? __pfx_rtnl_newlink+0x10/0x10 [ 92.153358][ T5831] rtnetlink_rcv_msg+0x7cf/0xb70 [ 92.158310][ T5831] ? rtnetlink_rcv_msg+0x1ab/0xb70 [ 92.163426][ T5831] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 92.168921][ T5831] netlink_rcv_skb+0x208/0x470 [ 92.173868][ T5831] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 92.179336][ T5831] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 92.184724][ T5831] ? netlink_deliver_tap+0x2e/0x1b0 [ 92.189936][ T5831] ? netlink_deliver_tap+0x2e/0x1b0 [ 92.195162][ T5831] netlink_unicast+0x75b/0x8d0 [ 92.199943][ T5831] netlink_sendmsg+0x805/0xb30 [ 92.204716][ T5831] ? __pfx_netlink_sendmsg+0x10/0x10 [ 92.210005][ T5831] ? aa_sock_msg_perm+0x94/0x160 [ 92.214958][ T5831] ? bpf_lsm_socket_sendmsg+0x9/0x20 [ 92.220255][ T5831] ? __pfx_netlink_sendmsg+0x10/0x10 [ 92.225546][ T5831] __sock_sendmsg+0x219/0x270 [ 92.230232][ T5831] ____sys_sendmsg+0x505/0x830 [ 92.234997][ T5831] ? __pfx_____sys_sendmsg+0x10/0x10 [ 92.240285][ T5831] ? import_iovec+0x74/0xa0 [ 92.244789][ T5831] ___sys_sendmsg+0x21f/0x2a0 [ 92.249469][ T5831] ? __pfx____sys_sendmsg+0x10/0x10 [ 92.254673][ T5831] ? do_raw_spin_lock+0x121/0x290 [ 92.259719][ T5831] __x64_sys_sendmsg+0x19b/0x260 [ 92.264655][ T5831] ? _raw_spin_unlock_irq+0x2e/0x50 [ 92.269857][ T5831] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 92.275498][ T5831] do_syscall_64+0xfa/0x3b0 [ 92.280030][ T5831] ? lockdep_hardirqs_on+0x9c/0x150 [ 92.285318][ T5831] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.291401][ T5831] ? clear_bhb_loop+0x60/0xb0 [ 92.296084][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.301983][ T5831] RIP: 0033:0x7efdc7c37369 [ 92.306416][ T5831] 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 [ 92.326022][ T5831] RSP: 002b:00007fffd87eacb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 92.334439][ T5831] RAX: ffffffffffffffda RBX: 00007fffd87eae88 RCX: 00007efdc7c37369 [ 92.342416][ T5831] RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000003 [ 92.350393][ T5831] RBP: 00007efdc7caa610 R08: 0000000000000000 R09: 00007fffd87eae88 [ 92.358365][ T5831] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 92.366342][ T5831] R13: 00007fffd87eae78 R14: 0000000000000001 R15: 0000000000000001 [ 92.374321][ T5831] [ 92.377340][ T5831] Modules linked in: [ 92.381578][ T5831] ---[ end trace 0000000000000000 ]--- [ 92.389956][ T5831] RIP: 0010:dev_set_group+0xc0/0x230 [ 92.395308][ T5831] Code: 03 43 80 3c 2f 00 74 08 48 89 df e8 4a 40 d4 f8 41 bd a8 02 00 00 4c 03 2b 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 22 40 d4 f8 31 c0 49 83 7d 00 00 0f [ 92.430226][ T5831] RSP: 0018:ffffc900044b6e60 EFLAGS: 00010206 [ 92.436670][ T5831] RAX: 0000000000000055 RBX: ffff88807cd70008 RCX: dffffc0000000000 [ 92.444713][ T5831] RDX: 0000000000000000 RSI: 0000000055690764 RDI: ffff88807cd70000 [ 92.453599][ T5831] RBP: ffff88807cd70000 R08: 0000000000400dc0 R09: 00000000ffffffff [ 92.462660][ T5831] R10: dffffc0000000000 R11: fffffbfff1f41637 R12: 0000000000000000 [ 92.470700][ T5831] R13: 00000000000002a8 R14: 1ffff1100f9ae198 R15: 1ffff1100f9ae001 [ 92.478741][ T5831] FS: 000055555a646380(0000) GS:ffff888125d66000(0000) knlGS:0000000000000000 [ 92.487734][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.494341][ T5831] CR2: 000055650cc784b0 CR3: 000000007996a000 CR4: 00000000003526f0 [ 92.502379][ T5831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.510386][ T5831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.518404][ T5831] Kernel panic - not syncing: Fatal exception [ 92.524663][ T5831] Kernel Offset: disabled [ 92.529010][ T5831] Rebooting in 86400 seconds..