./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3414677903 <...> Warning: Permanently added '10.128.1.37' (ED25519) to the list of known hosts. execve("./syz-executor3414677903", ["./syz-executor3414677903"], 0x7ffdbdc0bf30 /* 10 vars */) = 0 brk(NULL) = 0x55556b0a5000 brk(0x55556b0a5d00) = 0x55556b0a5d00 arch_prctl(ARCH_SET_FS, 0x55556b0a5380) = 0 set_tid_address(0x55556b0a5650) = 5791 set_robust_list(0x55556b0a5660, 24) = 0 rseq(0x55556b0a5ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3414677903", 4096) = 28 getrandom("\x72\x2b\x44\xba\x54\xd6\x8d\x3c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556b0a5d00 brk(0x55556b0c6d00) = 0x55556b0c6d00 brk(0x55556b0c7000) = 0x55556b0c7000 mprotect(0x7f102efb7000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556b0a5650) = 5792 ./strace-static-x86_64: Process 5792 attached [pid 5792] set_robust_list(0x55556b0a5660, 24) = 0 [pid 5792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5792] getppid() = 0 [pid 5792] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5792] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5792] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5792] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5792] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5792] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5792] unshare(CLONE_NEWNS) = 0 [pid 5792] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5792] unshare(CLONE_NEWIPC) = 0 [pid 5792] unshare(CLONE_NEWCGROUP) = 0 [pid 5792] unshare(CLONE_NEWUTS) = 0 [pid 5792] unshare(CLONE_SYSVSEM) = 0 [pid 5792] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5792] write(3, "16777216", 8) = 8 [pid 5792] close(3) = 0 [pid 5792] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5792] write(3, "536870912", 9) = 9 [pid 5792] close(3) = 0 [pid 5792] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5792] write(3, "1024", 4) = 4 [pid 5792] close(3) = 0 [pid 5792] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5792] write(3, "8192", 4) = 4 [pid 5792] close(3) = 0 [pid 5792] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5792] write(3, "1024", 4) = 4 [pid 5792] close(3) = 0 [pid 5792] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5792] write(3, "1024", 4) = 4 [pid 5792] close(3) = 0 [pid 5792] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5792] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5792] close(3) = 0 [pid 5792] getpid() = 1 [pid 5792] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 185.727410][ T5818] dump_stack_lvl+0x216/0x2d0 [ 185.732204][ T5818] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 185.738142][ T5818] dump_stack+0x1e/0x30 [ 185.742432][ T5818] panic+0x4e2/0xcf0 [ 185.746522][ T5818] ? kmsan_get_metadata+0x121/0x1c0 [ 185.751888][ T5818] kmsan_report+0x2c7/0x2d0 [ 185.756520][ T5818] ? kmem_cache_free+0x290/0xdf0 [ 185.761565][ T5818] ? __kfree_skb+0x1f6/0x250 [ 185.766254][ T5818] ? consume_skb+0x81/0x250 [ 185.770871][ T5818] ? netlink_broadcast_filtered+0x2128/0x23b0 [ 185.777129][ T5818] ? nlmsg_notify+0x15f/0x2f0 [ 185.781913][ T5818] ? rtnl_notify+0xc3/0xf0 [ 185.786454][ T5818] ? __msan_warning+0x95/0x120 [ 185.791355][ T5818] ? sctp_sf_ootb+0x7f5/0xce0 [ 185.796228][ T5818] ? sctp_do_sm+0x181/0x93d0 [ 185.800980][ T5818] ? sctp_endpoint_bh_rcv+0xc38/0xf90 [ 185.806486][ T5818] ? sctp_inq_push+0x2ef/0x380 [ 185.811392][ T5818] ? sctp_rcv+0x3831/0x3b20 [ 185.815979][ T5818] ? sctp4_rcv+0x42/0x50 [ 185.820316][ T5818] ? ip_protocol_deliver_rcu+0xb51/0x13d0 [ 185.826134][ T5818] ? ip_local_deliver_finish+0x336/0x500 [ 185.831864][ T5818] ? ip_local_deliver+0x21f/0x490 [ 185.836987][ T5818] ? ip_rcv_finish+0x4a2/0x520 [ 185.841863][ T5818] ? ip_rcv+0xcd/0x380 [ 185.846075][ T5818] ? __netif_receive_skb+0x319/0xa00 [ 185.851467][ T5818] ? netif_receive_skb+0x58/0x660 [ 185.856595][ T5818] ? tun_rx_batched+0x3ee/0x980 [ 185.861551][ T5818] ? tun_get_user+0x5783/0x6c60 [ 185.866482][ T5818] ? tun_chr_write_iter+0x3ac/0x5d0 [ 185.871801][ T5818] ? vfs_write+0xb2b/0x1540 [ 185.876422][ T5818] ? ksys_write+0x24f/0x4c0 [ 185.881083][ T5818] ? __x64_sys_write+0x93/0xe0 [ 185.885947][ T5818] ? x64_sys_call+0x306a/0x3ba0 [ 185.890932][ T5818] ? do_syscall_64+0xcd/0x1e0 [ 185.895804][ T5818] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 185.902046][ T5818] ? kmsan_get_metadata+0x13e/0x1c0 [ 185.907372][ T5818] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 185.913306][ T5818] ? _raw_spin_lock_irqsave+0x35/0xc0 [ 185.918776][ T5818] ? kmsan_get_metadata+0x13e/0x1c0 [ 185.924101][ T5818] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 185.930029][ T5818] ? kmsan_get_metadata+0x13e/0x1c0 [ 185.935351][ T5818] ? kmsan_get_metadata+0x13e/0x1c0 [ 185.940666][ T5818] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 185.946660][ T5818] ? kmsan_get_metadata+0x13e/0x1c0 [ 185.951987][ T5818] ? kmsan_get_metadata+0x13e/0x1c0 [ 185.957305][ T5818] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 185.963240][ T5818] __msan_warning+0x95/0x120 [ 185.967972][ T5818] sctp_sf_ootb+0x7f5/0xce0 [ 185.972657][ T5818] ? kmsan_get_metadata+0x13e/0x1c0 [ 185.977984][ T5818] sctp_do_sm+0x181/0x93d0 [ 185.982497][ T5818] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 185.988402][ T5818] ? stack_depot_save_flags+0x66d/0x6e0 [ 185.994058][ T5818] ? kmsan_get_metadata+0x13e/0x1c0 [ 185.999380][ T5818] ? stack_depot_save+0x12/0x20 [ 186.004333][ T5818] ? kmsan_internal_chain_origin+0xb0/0xd0 [ 186.010251][ T5818] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.016179][ T5818] ? kmsan_internal_chain_origin+0x57/0xd0 [ 186.022096][ T5818] ? kmsan_internal_memmove_metadata+0x17b/0x230 [ 186.028541][ T5818] ? __msan_memcpy+0x108/0x1c0 [ 186.033408][ T5818] ? sctp_init_addrs+0x4b/0x60 [ 186.038279][ T5818] ? sctp_rcv+0x3198/0x3b20 [ 186.042894][ T5818] ? kmsan_get_metadata+0x13e/0x1c0 [ 186.048320][ T5818] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.054333][ T5818] ? kmsan_get_metadata+0x13e/0x1c0 [ 186.059694][ T5818] ? kmsan_get_metadata+0x13e/0x1c0 [ 186.065087][ T5818] ? __pfx_sctp_sf_ootb+0x10/0x10 [ 186.070244][ T5818] ? kmsan_get_metadata+0x13e/0x1c0 [ 186.075642][ T5818] sctp_endpoint_bh_rcv+0xc38/0xf90 [ 186.080981][ T5818] ? __pfx_sctp_endpoint_bh_rcv+0x10/0x10 [ 186.086822][ T5818] sctp_inq_push+0x2ef/0x380 [ 186.091541][ T5818] sctp_rcv+0x3831/0x3b20 [ 186.096004][ T5818] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.101970][ T5818] ? __pfx_sctp4_rcv+0x10/0x10 [ 186.106837][ T5818] sctp4_rcv+0x42/0x50 [ 186.111008][ T5818] ip_protocol_deliver_rcu+0xb51/0x13d0 [ 186.116698][ T5818] ip_local_deliver_finish+0x336/0x500 [ 186.122325][ T5818] ip_local_deliver+0x21f/0x490 [ 186.127297][ T5818] ? __pfx_ip_local_deliver_finish+0x10/0x10 [ 186.133443][ T5818] ? __pfx_ip_local_deliver+0x10/0x10 [ 186.138937][ T5818] ip_rcv_finish+0x4a2/0x520 [ 186.143684][ T5818] ip_rcv+0xcd/0x380 [ 186.147666][ T5818] ? __pfx_ip_rcv_finish+0x10/0x10 [ 186.152873][ T5818] ? ip6_rcv_finish+0x8b0/0x970 [ 186.157818][ T5818] ? __pfx_ip_rcv+0x10/0x10 [ 186.162409][ T5818] __netif_receive_skb+0x319/0xa00 [ 186.167628][ T5818] ? kmsan_get_metadata+0x13e/0x1c0 [ 186.172992][ T5818] netif_receive_skb+0x58/0x660 [ 186.178013][ T5818] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.183978][ T5818] ? tun_rx_batched+0x37c/0x980 [ 186.188970][ T5818] tun_rx_batched+0x3ee/0x980 [ 186.193762][ T5818] ? kmsan_get_metadata+0x13e/0x1c0 [ 186.199189][ T5818] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.205206][ T5818] tun_get_user+0x5783/0x6c60 [ 186.209967][ T5818] ? _raw_spin_unlock_irqrestore+0x3f/0x60 [ 186.215878][ T5818] ? kmsan_get_metadata+0x13e/0x1c0 [ 186.221205][ T5818] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 186.227656][ T5818] ? ref_tracker_alloc+0x490/0x7e0 [ 186.232894][ T5818] tun_chr_write_iter+0x3ac/0x5d0 [ 186.238059][ T5818] vfs_write+0xb2b/0x1540 [ 186.242528][ T5818] ? __pfx_tun_chr_write_iter+0x10/0x10 [ 186.248216][ T5818] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 186.254151][ T5818] ksys_write+0x24f/0x4c0 [ 186.258587][ T5818] __x64_sys_write+0x93/0xe0 [ 186.263280][ T5818] x64_sys_call+0x306a/0x3ba0 [ 186.268067][ T5818] do_syscall_64+0xcd/0x1e0 [ 186.272681][ T5818] ? clear_bhb_loop+0x25/0x80 [ 186.277458][ T5818] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 186.283455][ T5818] RIP: 0033:0x7f102ef3f029 [ 186.287951][ T5818] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 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 [ 186.307665][ T5818] RSP: 002b:00007ffe05c27068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 186.316221][ T5818] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f102ef3f029 [ 186.324280][ T5818] RDX: 000000000000004f RSI: 0000000020000300 RDI: 0000000000000003 [ 186.332329][ T5818] RBP: 00007ffe05c270c0 R08: 00007ffe05c270e0 R09: 000055556b0a5338 [ 186.340383][ T5818] R10: 0000000020000322 R11: 0000000000000246 R12: 0000000000000000 [ 186.348461][ T5818] R13: 00000000000f4240 R14: 00007ffe05c270c0 R15: 00007ffe05c27090 [ 186.356576][ T5818] [ 186.359934][ T5818] Kernel Offset: disabled [ 186.364316][ T5818] Rebooting in 86400 seconds..