./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3906236119

<...>
Warning: Permanently added '10.128.1.144' (ED25519) to the list of known hosts.
execve("./syz-executor3906236119", ["./syz-executor3906236119"], 0x7ffda3504f40 /* 10 vars */) = 0
brk(NULL)                               = 0x55559191c000
brk(0x55559191cd00)                     = 0x55559191cd00
arch_prctl(ARCH_SET_FS, 0x55559191c380) = 0
set_tid_address(0x55559191c650)         = 5020
set_robust_list(0x55559191c660, 24)     = 0
rseq(0x55559191cca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3906236119", 4096) = 28
getrandom("\x2b\x0b\x91\xf8\x55\xe4\xba\xb6", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55559191cd00
brk(0x55559193dd00)                     = 0x55559193dd00
brk(0x55559193e000)                     = 0x55559193e000
mprotect(0x7fe1ecff5000, 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
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55559191c650) = 5021
./strace-static-x86_64: Process 5021 attached
[pid  5021] set_robust_list(0x55559191c660, 24) = 0
[pid  5021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5021] setpgid(0, 0)               = 0
[pid  5021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5021] write(3, "1000", 4)         = 4
[pid  5021] close(3)                    = 0
[pid  5021] openat(AT_FDCWD, "/dev/vhost-vsock", O_RDWR) = 3
[pid  5021] ioctl(3, VHOST_VSOCK_SET_GUEST_CID, 0x20000040) = 0
[pid  5021] socket(AF_VSOCK, SOCK_SEQPACKET, 0) = 4
[  174.125623][ T5021] =====================================================
[  174.132909][ T5021] BUG: KMSAN: uninit-value in vsock_assign_transport+0xb2a/0xb90
[  174.140801][ T5021]  vsock_assign_transport+0xb2a/0xb90
[  174.146528][ T5021]  vsock_connect+0x544/0x1560
[  174.151545][ T5021]  __sys_connect+0x606/0x690
[  174.156634][ T5021]  __x64_sys_connect+0x91/0xe0
[  174.161667][ T5021]  x64_sys_call+0x3356/0x3b50
[  174.166677][ T5021]  do_syscall_64+0xcf/0x1e0
[  174.171390][ T5021]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  174.177640][ T5021] 
[  174.180056][ T5021] Uninit was created at:
[  174.184787][ T5021]  __kmalloc_large_node+0x231/0x370
[  174.190206][ T5021]  __kmalloc_node+0xb07/0x1060
[  174.195201][ T5021]  kvmalloc_node+0xc0/0x2d0
[  174.199891][ T5021]  vhost_vsock_dev_open+0x44/0x510
[  174.205321][ T5021]  misc_open+0x66b/0x760
[  174.209775][ T5021]  chrdev_open+0xa5f/0xb80
[  174.214477][ T5021]  do_dentry_open+0x11f1/0x2120
[  174.219492][ T5021]  vfs_open+0x7e/0xa0
[  174.223716][ T5021]  path_openat+0x4a3c/0x5b00
[  174.228518][ T5021]  do_filp_open+0x20e/0x590
[  174.233394][ T5021]  do_sys_openat2+0x1bf/0x2f0
[  174.238231][ T5021]  __x64_sys_openat+0x2a1/0x310
[  174.244231][ T5021]  x64_sys_call+0x3a64/0x3b50
[  174.249140][ T5021]  do_syscall_64+0xcf/0x1e0
[  174.253930][ T5021]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  174.260069][ T5021] 
[  174.262588][ T5021] CPU: 1 PID: 5021 Comm: syz-executor390 Not tainted 6.9.0-rc4-syzkaller-00038-g8cd26fd90c1a #0
[  174.273282][ T5021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[  174.283572][ T5021] =====================================================
[  174.290618][ T5021] Disabling lock debugging due to kernel taint
[  174.297494][ T5021] Kernel panic - not syncing: kmsan.panic set ...
[  174.304013][ T5021] CPU: 1 PID: 5021 Comm: syz-executor390 Tainted: G    B              6.9.0-rc4-syzkaller-00038-g8cd26fd90c1a #0
[  174.316013][ T5021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[  174.326197][ T5021] Call Trace:
[  174.329573][ T5021]  <TASK>
[  174.332649][ T5021]  dump_stack_lvl+0x216/0x2d0
[  174.337542][ T5021]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  174.343645][ T5021]  dump_stack+0x1e/0x30
[  174.347982][ T5021]  panic+0x4e2/0xcd0
[  174.352122][ T5021]  ? kmsan_get_metadata+0xd1/0x1d0
[  174.357464][ T5021]  kmsan_report+0x2d5/0x2e0
[  174.362119][ T5021]  ? kmsan_get_metadata+0x146/0x1d0
[  174.367493][ T5021]  ? __msan_warning+0x95/0x120
[  174.372510][ T5021]  ? vsock_assign_transport+0xb2a/0xb90
[  174.378221][ T5021]  ? vsock_connect+0x544/0x1560
[  174.383337][ T5021]  ? __sys_connect+0x606/0x690
[  174.388352][ T5021]  ? __x64_sys_connect+0x91/0xe0
[  174.393547][ T5021]  ? x64_sys_call+0x3356/0x3b50
[  174.398640][ T5021]  ? do_syscall_64+0xcf/0x1e0
[  174.403526][ T5021]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  174.409850][ T5021]  ? kmsan_get_metadata+0x146/0x1d0
[  174.415205][ T5021]  ? kmsan_get_metadata+0x146/0x1d0
[  174.420622][ T5021]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  174.426670][ T5021]  ? finish_task_switch+0x1c8/0x8f0
[  174.432081][ T5021]  ? kmsan_get_metadata+0x146/0x1d0
[  174.437478][ T5021]  ? kmsan_get_metadata+0x146/0x1d0
[  174.442883][ T5021]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  174.448889][ T5021]  ? __rcu_read_unlock+0x7b/0xe0
[  174.453980][ T5021]  ? vhost_transport_seqpacket_allow+0x30d/0x3e0
[  174.460479][ T5021]  ? __pfx_vhost_transport_seqpacket_allow+0x10/0x10
[  174.467339][ T5021]  __msan_warning+0x95/0x120
[  174.472170][ T5021]  vsock_assign_transport+0xb2a/0xb90
[  174.477785][ T5021]  vsock_connect+0x544/0x1560
[  174.482625][ T5021]  ? __pfx_autoremove_wake_function+0x10/0x10
[  174.488907][ T5021]  ? kmsan_get_metadata+0x146/0x1d0
[  174.494323][ T5021]  __sys_connect+0x606/0x690
[  174.499096][ T5021]  ? _raw_spin_unlock_irq+0x31/0x50
[  174.504542][ T5021]  ? ptrace_notify+0x263/0x320
[  174.509495][ T5021]  ? kmsan_get_metadata+0x146/0x1d0
[  174.514899][ T5021]  ? __pfx_vsock_connect+0x10/0x10
[  174.520284][ T5021]  __x64_sys_connect+0x91/0xe0
[  174.525289][ T5021]  x64_sys_call+0x3356/0x3b50
[  174.530104][ T5021]  do_syscall_64+0xcf/0x1e0
[  174.534756][ T5021]  ? clear_bhb_loop+0x25/0x80
[  174.539619][ T5021]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  174.545829][ T5021] RIP: 0033:0x7fe1ecf82a79
[  174.550339][ T5021] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48
[  174.570086][ T5021] RSP: 002b:00007ffc25be30b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[  174.578649][ T5021] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe1ecf82a79
[  174.586799][ T5021] RDX: 0000000000000010 RSI: 0000000020000200 RDI: 0000000000000004
[  174.594863][ T5021] RBP: 00007fe1ecff55f0 R08: 0000000000000006 R09: 0000000000000006
[  174.602958][ T5021] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000001
[  174.611054][ T5021] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[  174.619192][ T5021]  </TASK>
[  174.622804][ T5021] Kernel Offset: disabled
[  174.627214][ T5021] Rebooting in 86400 seconds..