./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1552217455 <...> Warning: Permanently added '10.128.0.40' (ED25519) to the list of known hosts. execve("./syz-executor1552217455", ["./syz-executor1552217455"], 0x7ffd04addbb0 /* 10 vars */) = 0 brk(NULL) = 0x555559d6c000 brk(0x555559d6cd00) = 0x555559d6cd00 arch_prctl(ARCH_SET_FS, 0x555559d6c380) = 0 set_tid_address(0x555559d6c650) = 5850 set_robust_list(0x555559d6c660, 24) = 0 rseq(0x555559d6cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1552217455", 4096) = 28 getrandom("\x4b\xfd\x9b\xc9\xc8\x80\x28\xa0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555559d6cd00 brk(0x555559d8dd00) = 0x555559d8dd00 brk(0x555559d8e000) = 0x555559d8e000 mprotect(0x7ff033859000, 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 write(1, "executing program\n", 18executing program ) = 18 socket(AF_INET6, SOCK_DGRAM, IPPROTO_L2TP) = 3 [ 88.049651][ T5850] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000198: 0000 [#1] SMP KASAN PTI [ 88.061588][ T5850] KASAN: null-ptr-deref in range [0x0000000000000cc0-0x0000000000000cc7] [ 88.070036][ T5850] CPU: 1 UID: 0 PID: 5850 Comm: syz-executor155 Not tainted 6.14.0-syzkaller-12504-g8bc251e5d874 #0 PREEMPT(full) [ 88.082110][ T5850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 88.092174][ T5850] RIP: 0010:addrconf_add_ifaddr+0x23e/0x590 [ 88.098118][ T5850] Code: 03 00 00 8b b4 24 c4 00 00 00 48 8b 7c 24 18 e8 18 a3 25 ff 49 89 c5 48 8d 98 c5 0c 00 00 48 89 d8 48 c1 e8 03 48 89 44 24 38 <42> 0f b6 04 20 84 c0 0f 85 03 03 00 00 48 89 5c 24 28 0f b6 1b 31 [ 88.117738][ T5850] RSP: 0018:ffffc90003f3fa00 EFLAGS: 00010203 [ 88.123811][ T5850] RAX: 0000000000000198 RBX: 0000000000000cc5 RCX: ffff88807bf51e00 [ 88.131788][ T5850] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9ac50c80 [ 88.139757][ T5850] RBP: ffffc90003f3fb50 R08: ffffffff905fc777 R09: 1ffffffff20bf8ee [ 88.147840][ T5850] R10: dffffc0000000000 R11: fffffbfff20bf8ef R12: dffffc0000000000 [ 88.155898][ T5850] R13: 0000000000000000 R14: 00002000000000c0 R15: 1ffff920007e7f48 [ 88.163870][ T5850] FS: 0000555559d6c380(0000) GS:ffff888125099000(0000) knlGS:0000000000000000 [ 88.172795][ T5850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.179394][ T5850] CR2: 00002000000000c2 CR3: 000000003508e000 CR4: 00000000003526f0 [ 88.187381][ T5850] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.195352][ T5850] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.203320][ T5850] Call Trace: [ 88.206609][ T5850] [ 88.209536][ T5850] ? __pfx_addrconf_add_ifaddr+0x10/0x10 [ 88.215189][ T5850] ? kasan_quarantine_put+0xdc/0x230 [ 88.220504][ T5850] ? lockdep_hardirqs_on+0x9d/0x150 [ 88.225700][ T5850] inet6_ioctl+0x148/0x280 [ 88.230135][ T5850] ? __pfx_inet6_ioctl+0x10/0x10 [ 88.235068][ T5850] ? tomoyo_path_number_perm+0x684/0x790 [ 88.240704][ T5850] ? tomoyo_path_number_perm+0x215/0x790 [ 88.246338][ T5850] sock_do_ioctl+0x15a/0x490 [ 88.250932][ T5850] ? __pfx_sock_do_ioctl+0x10/0x10 [ 88.256052][ T5850] sock_ioctl+0x644/0x900 [ 88.260399][ T5850] ? __pfx_sock_ioctl+0x10/0x10 [ 88.265243][ T5850] ? __pfx_ptrace_notify+0x10/0x10 [ 88.270372][ T5850] ? __pfx_sock_ioctl+0x10/0x10 [ 88.275237][ T5850] __se_sys_ioctl+0xf1/0x160 [ 88.279853][ T5850] do_syscall_64+0xf3/0x230 [ 88.284564][ T5850] ? clear_bhb_loop+0x45/0xa0 [ 88.289237][ T5850] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.295126][ T5850] RIP: 0033:0x7ff0337e62e9 [ 88.299544][ T5850] 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 [ 88.319151][ T5850] RSP: 002b:00007ffdf3f7f118 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 88.327564][ T5850] RAX: ffffffffffffffda RBX: 00007ffdf3f7f2e8 RCX: 00007ff0337e62e9 [ 88.335545][ T5850] RDX: 00002000000000c0 RSI: 0000000000008916 RDI: 0000000000000003 [ 88.343537][ T5850] RBP: 00007ff033859610 R08: 0000000000000000 R09: 00007ffdf3f7f2e8 [ 88.351520][ T5850] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 88.359504][ T5850] R13: 00007ffdf3f7f2d8 R14: 0000000000000001 R15: 0000000000000001 [ 88.367479][ T5850] [ 88.370527][ T5850] Modules linked in: [ 88.374595][ T5850] ---[ end trace 0000000000000000 ]--- [ 88.380249][ T5850] RIP: 0010:addrconf_add_ifaddr+0x23e/0x590 [ 88.386178][ T5850] Code: 03 00 00 8b b4 24 c4 00 00 00 48 8b 7c 24 18 e8 18 a3 25 ff 49 89 c5 48 8d 98 c5 0c 00 00 48 89 d8 48 c1 e8 03 48 89 44 24 38 <42> 0f b6 04 20 84 c0 0f 85 03 03 00 00 48 89 5c 24 28 0f b6 1b 31 [ 88.405958][ T5850] RSP: 0018:ffffc90003f3fa00 EFLAGS: 00010203 [ 88.412089][ T5850] RAX: 0000000000000198 RBX: 0000000000000cc5 RCX: ffff88807bf51e00 [ 88.420217][ T5850] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9ac50c80 [ 88.428235][ T5850] RBP: ffffc90003f3fb50 R08: ffffffff905fc777 R09: 1ffffffff20bf8ee [ 88.436236][ T5850] R10: dffffc0000000000 R11: fffffbfff20bf8ef R12: dffffc0000000000 [ 88.444270][ T5850] R13: 0000000000000000 R14: 00002000000000c0 R15: 1ffff920007e7f48 [ 88.452306][ T5850] FS: 0000555559d6c380(0000) GS:ffff888124f99000(0000) knlGS:0000000000000000 [ 88.461363][ T5850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.468084][ T5850] CR2: 00000000004585c0 CR3: 000000003508e000 CR4: 00000000003526f0 [ 88.476073][ T5850] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.484165][ T5850] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.492311][ T5850] Kernel panic - not syncing: Fatal exception [ 88.498745][ T5850] Kernel Offset: disabled [ 88.503079][ T5850] Rebooting in 86400 seconds..