./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor946474819 <...> Warning: Permanently added '10.128.1.210' (ED25519) to the list of known hosts. execve("./syz-executor946474819", ["./syz-executor946474819"], 0x7ffe615721e0 /* 10 vars */) = 0 brk(NULL) = 0x555583b61000 brk(0x555583b61d00) = 0x555583b61d00 arch_prctl(ARCH_SET_FS, 0x555583b61380) = 0 set_tid_address(0x555583b61650) = 5785 set_robust_list(0x555583b61660, 24) = 0 rseq(0x555583b61ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor946474819", 4096) = 27 getrandom("\xd2\x58\xe2\x86\x49\xf6\x2c\x50", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555583b61d00 brk(0x555583b82d00) = 0x555583b82d00 brk(0x555583b83000) = 0x555583b83000 mprotect(0x7f8563a3e000, 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 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 umount2("/syzcgroup/net", 0) = 0 [ 181.229447][ T5785] cgroup: Unknown subsys name 'net' mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) [ 181.401505][ T5785] cgroup: Unknown subsys name 'cpuset' [ 181.424110][ T5785] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) mkdir("./syzkaller.xmIVgk", 0700) = 0 chmod("./syzkaller.xmIVgk", 0777) = 0 chdir("./syzkaller.xmIVgk") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555583b61650) = 5786 ./strace-static-x86_64: Process 5786 attached [pid 5786] set_robust_list(0x555583b61660, 24) = 0 [pid 5786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5786] getppid() = 0 [pid 5786] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5786] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5786] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5786] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5786] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5786] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5786] unshare(CLONE_NEWNS) = 0 [pid 5786] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5786] unshare(CLONE_NEWIPC) = 0 [pid 5786] unshare(CLONE_NEWCGROUP) = 0 [pid 5786] unshare(CLONE_NEWUTS) = 0 [pid 5786] unshare(CLONE_SYSVSEM) = 0 [pid 5786] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5786] write(3, "16777216", 8) = 8 [pid 5786] close(3) = 0 [pid 5786] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5786] write(3, "536870912", 9) = 9 [pid 5786] close(3) = 0 [pid 5786] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5786] write(3, "1024", 4) = 4 [pid 5786] close(3) = 0 [pid 5786] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5786] write(3, "8192", 4) = 4 [pid 5786] close(3) = 0 [pid 5786] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5786] write(3, "1024", 4) = 4 [pid 5786] close(3) = 0 [pid 5786] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5786] write(3, "1024", 4) = 4 [pid 5786] close(3) = 0 [pid 5786] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5786] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5786] close(3) = 0 [pid 5786] getpid() = 1 [pid 5786] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 188.845384][ T5812] dump_stack_lvl+0x216/0x2d0 [ 188.850258][ T5812] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 188.856173][ T5812] dump_stack+0x1e/0x30 [ 188.860454][ T5812] panic+0x4e2/0xcf0 [ 188.864502][ T5812] ? kmsan_get_metadata+0x131/0x1c0 [ 188.869902][ T5812] kmsan_report+0x2c7/0x2d0 [ 188.874634][ T5812] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 188.881223][ T5812] ? kmsan_get_metadata+0x13e/0x1c0 [ 188.886580][ T5812] ? __msan_warning+0x95/0x120 [ 188.891521][ T5812] ? ip6table_mangle_hook+0x97d/0x9c0 [ 188.897449][ T5812] ? nf_hook_slow+0xf4/0x400 [ 188.902145][ T5812] ? __ip6_local_out+0x5ac/0x640 [ 188.907279][ T5812] ? ip6_local_out+0x4c/0x210 [ 188.912059][ T5812] ? ip6tunnel_xmit+0x129/0x460 [ 188.917038][ T5812] ? ip6_tnl_xmit+0x341a/0x3860 [ 188.922064][ T5812] ? __gre6_xmit+0x14b9/0x1550 [ 188.926950][ T5812] ? ip6gre_tunnel_xmit+0x18f7/0x2030 [ 188.932445][ T5812] ? dev_hard_start_xmit+0x247/0xa20 [ 188.937840][ T5812] ? sch_direct_xmit+0x399/0xd40 [ 188.943021][ T5812] ? __dev_queue_xmit+0x2fcf/0x56d0 [ 188.948399][ T5812] ? packet_xmit+0x9c/0x6c0 [ 188.953015][ T5812] ? packet_sendmsg+0x908b/0xa370 [ 188.958222][ T5812] ? __sock_sendmsg+0x30f/0x380 [ 188.963165][ T5812] ? __sys_sendto+0x645/0x7f0 [ 188.967957][ T5812] ? __x64_sys_sendto+0x125/0x1d0 [ 188.973105][ T5812] ? x64_sys_call+0x3373/0x3ba0 [ 188.978113][ T5812] ? do_syscall_64+0xcd/0x1e0 [ 188.982985][ T5812] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 188.989239][ T5812] ? kmsan_get_metadata+0x13e/0x1c0 [ 188.994598][ T5812] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 189.000528][ T5812] __msan_warning+0x95/0x120 [ 189.005329][ T5812] ip6table_mangle_hook+0x97d/0x9c0 [ 189.010763][ T5812] ? __pfx_ip6table_mangle_hook+0x10/0x10 [ 189.016604][ T5812] nf_hook_slow+0xf4/0x400 [ 189.021145][ T5812] __ip6_local_out+0x5ac/0x640 [ 189.026046][ T5812] ? __pfx_dst_output+0x10/0x10 [ 189.031074][ T5812] ip6_local_out+0x4c/0x210 [ 189.035695][ T5812] ip6tunnel_xmit+0x129/0x460 [ 189.040496][ T5812] ip6_tnl_xmit+0x341a/0x3860 [ 189.045359][ T5812] __gre6_xmit+0x14b9/0x1550 [ 189.050120][ T5812] ? iptunnel_handle_offloads+0x490/0x640 [ 189.055963][ T5812] ip6gre_tunnel_xmit+0x18f7/0x2030 [ 189.061310][ T5812] ? kmsan_get_metadata+0x13e/0x1c0 [ 189.066650][ T5812] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ 189.072421][ T5812] dev_hard_start_xmit+0x247/0xa20 [ 189.077700][ T5812] sch_direct_xmit+0x399/0xd40 [ 189.082659][ T5812] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 189.089179][ T5812] __dev_queue_xmit+0x2fcf/0x56d0 [ 189.094398][ T5812] ? __dev_queue_xmit+0x355/0x56d0 [ 189.099647][ T5812] packet_xmit+0x9c/0x6c0 [ 189.104289][ T5812] ? kmsan_get_metadata+0x13e/0x1c0 [ 189.109645][ T5812] packet_sendmsg+0x908b/0xa370 [ 189.114634][ T5812] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 189.120549][ T5812] ? kmsan_get_metadata+0x13e/0x1c0 [ 189.125849][ T5812] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 189.131770][ T5812] ? aa_label_sk_perm+0x677/0x7b0 [ 189.136963][ T5812] ? filter_irq_stacks+0x60/0x1a0 [ 189.142200][ T5812] ? kmsan_get_metadata+0x13e/0x1c0 [ 189.147643][ T5812] ? __pfx_packet_sendmsg+0x10/0x10 [ 189.152997][ T5812] ? __pfx_packet_sendmsg+0x10/0x10 [ 189.158325][ T5812] __sock_sendmsg+0x30f/0x380 [ 189.163130][ T5812] __sys_sendto+0x645/0x7f0 [ 189.167835][ T5812] ? kmsan_get_metadata+0x13e/0x1c0 [ 189.173185][ T5812] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 189.179149][ T5812] __x64_sys_sendto+0x125/0x1d0 [ 189.184225][ T5812] x64_sys_call+0x3373/0x3ba0 [ 189.189083][ T5812] do_syscall_64+0xcd/0x1e0 [ 189.193717][ T5812] ? clear_bhb_loop+0x25/0x80 [ 189.198564][ T5812] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 189.204608][ T5812] RIP: 0033:0x7f85639c54c9 [ 189.209155][ T5812] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 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 [ 189.229411][ T5812] RSP: 002b:00007ffe15c02eb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 189.238073][ T5812] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f85639c54c9 [ 189.246221][ T5812] RDX: 0000000000000012 RSI: 0000000020000180 RDI: 0000000000000004 [ 189.254358][ T5812] RBP: 0000000000000000 R08: 0000000020000140 R09: 0000000000000014 [ 189.262763][ T5812] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 189.270818][ T5812] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 189.278910][ T5812] [ 189.282287][ T5812] Kernel Offset: disabled [ 189.286678][ T5812] Rebooting in 86400 seconds..