./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1553066866 <...> Warning: Permanently added '10.128.1.117' (ED25519) to the list of known hosts. execve("./syz-executor1553066866", ["./syz-executor1553066866"], 0x7ffff3d05b40 /* 10 vars */) = 0 brk(NULL) = 0x555557158000 brk(0x555557158e00) = 0x555557158e00 arch_prctl(ARCH_SET_FS, 0x555557158480) = 0 set_tid_address(0x555557158750) = 5070 set_robust_list(0x555557158760, 24) = 0 rseq(0x555557158da0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1553066866", 4096) = 28 getrandom("\x00\x5a\x2d\xe3\x37\x62\xf4\xb9", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557158e00 brk(0x555557179e00) = 0x555557179e00 brk(0x55555717a000) = 0x55555717a000 mprotect(0x7fdc595f3000, 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 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7fdc595327c0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fdc5953b600}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fdc595327c0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fdc5953b600}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555557158750) = 5071 ./strace-static-x86_64: Process 5071 attached [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] set_robust_list(0x555557158760, 24) = 0 ./strace-static-x86_64: Process 5072 attached [pid 5071] unshare(CLONE_NEWPID [pid 5070] <... clone resumed>, child_tidptr=0x555557158750) = 5072 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] set_robust_list(0x555557158760, 24./strace-static-x86_64: Process 5073 attached [pid 5070] <... clone resumed>, child_tidptr=0x555557158750) = 5073 [pid 5072] <... set_robust_list resumed>) = 0 [pid 5071] <... unshare resumed>) = 0 [pid 5073] set_robust_list(0x555557158760, 24 [pid 5072] unshare(CLONE_NEWPID [pid 5073] <... set_robust_list resumed>) = 0 [pid 5073] unshare(CLONE_NEWPID [pid 5072] <... unshare resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] <... unshare resumed>) = 0 [pid 5071] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5074 attached [pid 5074] set_robust_list(0x555557158760, 24 [pid 5072] <... clone resumed>, child_tidptr=0x555557158750) = 5074 [pid 5074] <... set_robust_list resumed>) = 0 [pid 5074] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL./strace-static-x86_64: Process 5076 attached [pid 5073] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... mount resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 5077 attached ./strace-static-x86_64: Process 5075 attached [pid 5070] <... clone resumed>, child_tidptr=0x555557158750) = 5076 [pid 5076] set_robust_list(0x555557158760, 24 [pid 5071] <... clone resumed>, child_tidptr=0x555557158750) = 5075 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] set_robust_list(0x555557158760, 24 [pid 5075] set_robust_list(0x555557158760, 24 [pid 5076] <... set_robust_list resumed>) = 0 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... clone resumed>, child_tidptr=0x555557158750) = 5077 [pid 5077] <... set_robust_list resumed>) = 0 [pid 5075] <... set_robust_list resumed>) = 0 [pid 5076] unshare(CLONE_NEWPID [pid 5074] <... prctl resumed>) = 0 [pid 5077] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5074] setsid() = 1 [pid 5074] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5075] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5076] <... unshare resumed>) = 0 [pid 5074] <... prlimit64 resumed>NULL) = 0 [pid 5077] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5074] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, ./strace-static-x86_64: Process 5078 attached [pid 5070] <... clone resumed>, child_tidptr=0x555557158750) = 5078 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... prlimit64 resumed>NULL) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] set_robust_list(0x555557158760, 24 [pid 5077] <... prctl resumed>) = 0 [pid 5078] <... set_robust_list resumed>) = 0 [pid 5077] setsid( [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5078] unshare(CLONE_NEWPID [pid 5077] <... setsid resumed>) = 1 [pid 5077] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5075] <... prctl resumed>) = 0 [pid 5074] <... prlimit64 resumed>NULL) = 0 ./strace-static-x86_64: Process 5080 attached ./strace-static-x86_64: Process 5079 attached [pid 5078] <... unshare resumed>) = 0 [pid 5077] <... prlimit64 resumed>NULL) = 0 [pid 5074] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5070] <... clone resumed>, child_tidptr=0x555557158750) = 5080 [pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5076] <... clone resumed>, child_tidptr=0x555557158750) = 5079 [pid 5080] set_robust_list(0x555557158760, 24 [pid 5079] set_robust_list(0x555557158760, 24 [pid 5077] <... prlimit64 resumed>NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5075] setsid( [pid 5074] <... prlimit64 resumed>NULL) = 0 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5079] <... set_robust_list resumed>) = 0 [pid 5077] <... prlimit64 resumed>NULL) = 0 [pid 5075] <... setsid resumed>) = 1 [pid 5074] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5080] unshare(CLONE_NEWPID [pid 5079] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5077] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5075] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5074] <... prlimit64 resumed>NULL) = 0 ./strace-static-x86_64: Process 5081 attached [pid 5080] <... unshare resumed>) = 0 [pid 5075] <... prlimit64 resumed>NULL) = 0 [pid 5074] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5077] <... prlimit64 resumed>NULL) = 0 [pid 5075] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5074] <... prlimit64 resumed>NULL) = 0 [pid 5081] set_robust_list(0x555557158760, 24 [pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] <... clone resumed>, child_tidptr=0x555557158750) = 5081 [pid 5077] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5075] <... prlimit64 resumed>NULL) = 0 [pid 5074] unshare(CLONE_NEWNS [pid 5077] <... prlimit64 resumed>NULL) = 0 [pid 5075] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5074] <... unshare resumed>) = 0 [pid 5075] <... prlimit64 resumed>NULL) = 0 [pid 5075] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5075] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5075] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5075] unshare(CLONE_NEWNS [pid 5074] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5079] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5075] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 5082 attached [pid 5081] <... set_robust_list resumed>) = 0 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5074] <... mount resumed>) = 0 [pid 5081] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5074] unshare(CLONE_NEWIPC [pid 5077] <... prlimit64 resumed>NULL) = 0 [pid 5082] set_robust_list(0x555557158760, 24 [pid 5081] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5080] <... clone resumed>, child_tidptr=0x555557158750) = 5082 [pid 5079] <... prctl resumed>) = 0 [pid 5075] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5082] <... set_robust_list resumed>) = 0 [pid 5079] setsid( [pid 5077] unshare(CLONE_NEWNS [pid 5082] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] <... setsid resumed>) = 1 [pid 5077] <... unshare resumed>) = 0 [pid 5075] <... mount resumed>) = 0 [pid 5074] <... unshare resumed>) = 0 [pid 5081] <... prctl resumed>) = 0 [pid 5079] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5077] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5075] unshare(CLONE_NEWIPC [pid 5082] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5079] <... prlimit64 resumed>NULL) = 0 [pid 5077] <... mount resumed>) = 0 [pid 5075] <... unshare resumed>) = 0 [pid 5081] setsid( [pid 5079] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5077] unshare(CLONE_NEWIPC [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5081] <... setsid resumed>) = 1 [pid 5079] <... prlimit64 resumed>NULL) = 0 [pid 5077] <... unshare resumed>) = 0 [pid 5075] unshare(CLONE_NEWCGROUP [pid 5074] unshare(CLONE_NEWCGROUP [pid 5082] <... prctl resumed>) = 0 [pid 5081] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5079] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5075] <... unshare resumed>) = 0 [pid 5074] <... unshare resumed>) = 0 [pid 5082] setsid( [pid 5081] <... prlimit64 resumed>NULL) = 0 [pid 5079] <... prlimit64 resumed>NULL) = 0 [pid 5077] unshare(CLONE_NEWCGROUP [pid 5075] unshare(CLONE_NEWUTS [pid 5074] unshare(CLONE_NEWUTS [pid 5082] <... setsid resumed>) = 1 [pid 5081] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5079] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5077] <... unshare resumed>) = 0 [pid 5075] <... unshare resumed>) = 0 [pid 5074] <... unshare resumed>) = 0 [pid 5082] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5081] <... prlimit64 resumed>NULL) = 0 [pid 5079] <... prlimit64 resumed>NULL) = 0 [pid 5077] unshare(CLONE_NEWUTS [pid 5075] unshare(CLONE_SYSVSEM [pid 5074] unshare(CLONE_SYSVSEM [pid 5079] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5082] <... prlimit64 resumed>NULL) = 0 [pid 5081] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5079] <... prlimit64 resumed>NULL) = 0 [pid 5077] <... unshare resumed>) = 0 [pid 5082] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5081] <... prlimit64 resumed>NULL) = 0 [pid 5079] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5082] <... prlimit64 resumed>NULL) = 0 [pid 5081] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5079] <... prlimit64 resumed>NULL) = 0 [pid 5077] unshare(CLONE_SYSVSEM [pid 5082] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5081] <... prlimit64 resumed>NULL) = 0 [pid 5079] unshare(CLONE_NEWNS [pid 5077] <... unshare resumed>) = 0 [pid 5081] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5082] <... prlimit64 resumed>NULL) = 0 [pid 5075] <... unshare resumed>) = 0 [pid 5074] <... unshare resumed>) = 0 [pid 5082] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5075] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5074] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5082] <... prlimit64 resumed>NULL) = 0 [pid 5081] <... prlimit64 resumed>NULL) = 0 [pid 5079] <... unshare resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5075] <... openat resumed>) = 3 [pid 5082] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5081] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5079] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5075] write(3, "16777216", 8 [pid 5074] <... openat resumed>) = 3 [pid 5082] <... prlimit64 resumed>NULL) = 0 [pid 5081] <... prlimit64 resumed>NULL) = 0 [pid 5079] <... mount resumed>) = 0 [pid 5077] write(3, "16777216", 8 [pid 5082] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5081] unshare(CLONE_NEWNS [pid 5075] <... write resumed>) = 8 [pid 5074] write(3, "16777216", 8 [pid 5082] <... prlimit64 resumed>NULL) = 0 [pid 5075] close(3 [pid 5074] <... write resumed>) = 8 [pid 5082] unshare(CLONE_NEWNS [pid 5079] unshare(CLONE_NEWIPC [pid 5075] <... close resumed>) = 0 [pid 5074] close(3 [pid 5075] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5074] <... close resumed>) = 0 [pid 5081] <... unshare resumed>) = 0 [pid 5077] <... write resumed>) = 8 [pid 5075] <... openat resumed>) = 3 [pid 5074] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5077] close(3 [pid 5074] <... openat resumed>) = 3 [pid 5075] write(3, "536870912", 9 [pid 5082] <... unshare resumed>) = 0 [pid 5081] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5079] <... unshare resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5075] <... write resumed>) = 9 [pid 5074] write(3, "536870912", 9 [pid 5082] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5075] close(3 [pid 5074] <... write resumed>) = 9 [pid 5082] <... mount resumed>) = 0 [pid 5081] <... mount resumed>) = 0 [pid 5079] unshare(CLONE_NEWCGROUP [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5075] <... close resumed>) = 0 [pid 5082] unshare(CLONE_NEWIPC [pid 5081] unshare(CLONE_NEWIPC [pid 5079] <... unshare resumed>) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5075] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5074] close(3 [pid 5082] <... unshare resumed>) = 0 [pid 5081] <... unshare resumed>) = 0 [pid 5077] write(3, "536870912", 9 [pid 5079] unshare(CLONE_NEWUTS [pid 5077] <... write resumed>) = 9 [pid 5079] <... unshare resumed>) = 0 [pid 5077] close(3 [pid 5081] unshare(CLONE_NEWCGROUP [pid 5079] unshare(CLONE_SYSVSEM [pid 5077] <... close resumed>) = 0 [pid 5081] <... unshare resumed>) = 0 [pid 5079] <... unshare resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5081] unshare(CLONE_NEWUTS [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5077] <... openat resumed>) = 3 [pid 5081] <... unshare resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5081] unshare(CLONE_SYSVSEM) = 0 [pid 5082] unshare(CLONE_NEWCGROUP [pid 5081] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5077] write(3, "1024", 4 [pid 5075] <... openat resumed>) = 3 [pid 5074] <... close resumed>) = 0 [pid 5082] <... unshare resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5075] write(3, "1024", 4 [pid 5082] unshare(CLONE_NEWUTS) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5079] write(3, "16777216", 8 [pid 5077] <... write resumed>) = 4 [pid 5074] <... openat resumed>) = 3 [pid 5082] unshare(CLONE_SYSVSEM [pid 5081] write(3, "16777216", 8 [pid 5079] <... write resumed>) = 8 [pid 5077] close(3 [pid 5075] <... write resumed>) = 4 [pid 5074] write(3, "1024", 4 [pid 5082] <... unshare resumed>) = 0 [pid 5081] <... write resumed>) = 8 [pid 5079] close(3 [pid 5077] <... close resumed>) = 0 [pid 5081] close(3 [pid 5079] <... close resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5074] <... write resumed>) = 4 [pid 5082] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5081] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5077] <... openat resumed>) = 3 [pid 5075] close(3 [pid 5082] <... openat resumed>) = 3 [pid 5081] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5079] <... openat resumed>) = 3 [pid 5074] close(3 [pid 5075] <... close resumed>) = 0 [pid 5082] write(3, "16777216", 8 [pid 5074] <... close resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5082] <... write resumed>) = 8 [pid 5074] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5082] close(3 [pid 5081] <... openat resumed>) = 3 [pid 5079] write(3, "536870912", 9 [pid 5077] write(3, "8192", 4 [pid 5075] <... openat resumed>) = 3 [pid 5082] <... close resumed>) = 0 [pid 5081] write(3, "536870912", 9 [pid 5079] <... write resumed>) = 9 [pid 5077] <... write resumed>) = 4 [pid 5074] <... openat resumed>) = 3 [pid 5082] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5081] <... write resumed>) = 9 [pid 5079] close(3 [pid 5077] close(3 [pid 5075] write(3, "8192", 4 [pid 5074] write(3, "8192", 4 [pid 5082] <... openat resumed>) = 3 [pid 5081] close(3 [pid 5079] <... close resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5075] <... write resumed>) = 4 [pid 5074] <... write resumed>) = 4 [pid 5082] write(3, "536870912", 9 [pid 5081] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5075] close(3 [pid 5074] close(3 [pid 5082] <... write resumed>) = 9 [pid 5081] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5079] <... openat resumed>) = 3 [pid 5077] <... openat resumed>) = 3 [pid 5081] <... openat resumed>) = 3 [pid 5082] close(3 [pid 5079] write(3, "1024", 4 [pid 5082] <... close resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5075] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5074] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5081] write(3, "1024", 4 [pid 5079] <... write resumed>) = 4 [pid 5077] write(3, "1024", 4 [pid 5081] <... write resumed>) = 4 [pid 5079] close(3 [pid 5077] <... write resumed>) = 4 [pid 5075] <... openat resumed>) = 3 [pid 5074] <... openat resumed>) = 3 [pid 5082] <... openat resumed>) = 3 [pid 5081] close(3 [pid 5079] <... close resumed>) = 0 [pid 5077] close(3 [pid 5081] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5077] <... close resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5079] <... openat resumed>) = 3 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5081] <... openat resumed>) = 3 [pid 5079] write(3, "8192", 4 [pid 5077] <... openat resumed>) = 3 [pid 5081] write(3, "8192", 4 [pid 5079] <... write resumed>) = 4 [pid 5081] <... write resumed>) = 4 [pid 5079] close(3 [pid 5081] close(3 [pid 5079] <... close resumed>) = 0 [pid 5077] write(3, "1024", 4 [pid 5081] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5077] <... write resumed>) = 4 [pid 5081] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5079] <... openat resumed>) = 3 [pid 5081] <... openat resumed>) = 3 [pid 5077] close(3) = 0 [pid 5081] write(3, "1024", 4 [pid 5079] write(3, "1024", 4 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5081] <... write resumed>) = 4 [pid 5079] <... write resumed>) = 4 [pid 5077] <... openat resumed>) = 3 [pid 5081] close(3 [pid 5079] close(3) = 0 [pid 5081] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5081] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5079] <... openat resumed>) = 3 [pid 5077] write(3, "1024 1048576 500 1024", 21 [pid 5081] <... openat resumed>) = 3 [pid 5079] write(3, "1024", 4 [pid 5077] <... write resumed>) = 21 [pid 5079] <... write resumed>) = 4 [pid 5081] write(3, "1024", 4 [pid 5079] close(3 [pid 5077] close(3 [pid 5081] <... write resumed>) = 4 [pid 5079] <... close resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5081] close(3 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5077] getpid( [pid 5081] <... close resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5077] <... getpid resumed>) = 1 [pid 5082] write(3, "1024", 4 [pid 5081] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5075] write(3, "1024", 4 [pid 5074] write(3, "1024", 4 [pid 5082] <... write resumed>) = 4 [pid 5081] <... openat resumed>) = 3 [pid 5079] write(3, "1024 1048576 500 1024", 21 [pid 5077] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5075] <... write resumed>) = 4 [pid 5074] <... write resumed>) = 4 [pid 5082] close(3 [pid 5081] write(3, "1024 1048576 500 1024", 21 [pid 5079] <... write resumed>) = 21 [pid 5077] <... capget resumed>{effective=1< [pid 5074] close(3 [pid 5082] <... close resumed>) = 0 [pid 5081] <... write resumed>) = 21 [pid 5079] close(3 [pid 5077] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5075] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5081] close(3 [pid 5079] <... close resumed>) = 0 [pid 5077] <... capset resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5081] <... close resumed>) = 0 [pid 5079] getpid( [pid 5077] unshare(CLONE_NEWNET [pid 5082] <... openat resumed>) = 3 [pid 5081] getpid( [pid 5079] <... getpid resumed>) = 1 [pid 5075] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5074] <... openat resumed>) = 3 [pid 5082] write(3, "8192", 4 [pid 5081] <... getpid resumed>) = 1 [pid 5079] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5075] <... openat resumed>) = 3 [pid 5074] write(3, "1024", 4 [pid 5082] <... write resumed>) = 4 [pid 5081] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5079] <... capget resumed>{effective=1<) = 4 [pid 5082] close(3 [pid 5081] <... capget resumed>{effective=1< [pid 5075] write(3, "1024", 4 [pid 5074] close(3 [pid 5082] <... close resumed>) = 0 [pid 5081] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5079] <... capset resumed>) = 0 [pid 5075] <... write resumed>) = 4 [pid 5074] <... close resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5081] <... capset resumed>) = 0 [pid 5079] unshare(CLONE_NEWNET [pid 5075] close(3 [pid 5074] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5082] <... openat resumed>) = 3 [pid 5081] unshare(CLONE_NEWNET [pid 5074] <... openat resumed>) = 3 [pid 5074] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5074] close(3) = 0 [pid 5074] getpid( [pid 5082] write(3, "1024", 4 [pid 5074] <... getpid resumed>) = 1 [pid 5082] <... write resumed>) = 4 [pid 5074] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5082] close(3 [pid 5074] <... capget resumed>{effective=1<) = 0 [pid 5074] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5082] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5074] <... capset resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5074] unshare(CLONE_NEWNET [pid 5082] write(3, "1024", 4 [pid 5075] <... close resumed>) = 0 [pid 5082] <... write resumed>) = 4 [pid 5075] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5082] close(3 [pid 5075] <... openat resumed>) = 3 [pid 5082] <... close resumed>) = 0 [pid 5075] write(3, "1024 1048576 500 1024", 21 [pid 5082] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5075] <... write resumed>) = 21 [pid 5082] <... openat resumed>) = 3 [pid 5075] close(3 [pid 5082] write(3, "1024 1048576 500 1024", 21 [pid 5075] <... close resumed>) = 0 [pid 5082] <... write resumed>) = 21 [pid 5075] getpid( [pid 5082] close(3 [pid 5075] <... getpid resumed>) = 1 [pid 5082] <... close resumed>) = 0 [pid 5075] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5082] getpid( [pid 5075] <... capget resumed>{effective=1<) = 1 [pid 5075] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5082] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5075] <... capset resumed>) = 0 [pid 5082] <... capget resumed>{effective=1< [pid 5082] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5077] <... unshare resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "0 65535", 7) = 7 [pid 5077] close(3 [pid 5081] <... unshare resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3 [pid 5081] write(3, "0 65535", 7) = 7 [pid 5081] close(3) = 0 [pid 5081] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3 [pid 5077] dup2(3, 200) = 200 [pid 5081] dup2(3, 200 [pid 5079] <... unshare resumed>) = 0 [pid 5081] <... dup2 resumed>) = 200 [pid 5077] close(3 [pid 5081] close(3 [pid 5077] <... close resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5077] ioctl(200, TUNSETIFF, 0x7fff9a759fb0 [pid 5081] ioctl(200, TUNSETIFF, 0x7fff9a759fb0 [pid 5079] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "0 65535", 7) = 7 [pid 5082] <... unshare resumed>) = 0 [pid 5079] close(3 [pid 5074] <... unshare resumed>) = 0 [pid 5079] <... close resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5081] <... ioctl resumed>) = 0 [pid 5077] <... ioctl resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5082] <... openat resumed>) = 3 [pid 5079] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK [pid 5074] <... openat resumed>) = 3 [pid 5081] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC [pid 5079] <... openat resumed>) = 3 [pid 5077] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC [pid 5074] write(3, "0 65535", 7 [pid 5082] write(3, "0 65535", 7 [pid 5079] dup2(3, 200 [pid 5074] <... write resumed>) = 7 [pid 5082] <... write resumed>) = 7 [pid 5079] <... dup2 resumed>) = 200 [pid 5074] close(3 [pid 5082] close(3 [pid 5079] close(3 [pid 5074] <... close resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5079] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK [pid 5082] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK [pid 5079] ioctl(200, TUNSETIFF, 0x7fff9a759fb0 [pid 5077] <... openat resumed>) = 3 [pid 5074] <... openat resumed>) = 3 [pid 5077] write(3, "0", 1 [pid 5081] write(3, "0", 1 [pid 5082] <... openat resumed>) = 3 [pid 5081] <... write resumed>) = 1 [pid 5077] <... write resumed>) = 1 [pid 5075] <... unshare resumed>) = 0 [pid 5081] close(3 [pid 5077] close(3 [pid 5074] dup2(3, 200 [pid 5082] dup2(3, 200) = 200 [pid 5082] close(3 [pid 5081] <... close resumed>) = 0 [pid 5079] <... ioctl resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5074] <... dup2 resumed>) = 200 [pid 5082] <... close resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC [pid 5077] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC [pid 5074] close(3 [pid 5082] ioctl(200, TUNSETIFF, 0x7fff9a759fb0 [pid 5077] <... openat resumed>) = 3 [pid 5074] <... close resumed>) = 0 [pid 5081] <... openat resumed>) = 3 [pid 5074] ioctl(200, TUNSETIFF, 0x7fff9a759fb0 [pid 5081] write(3, "0", 1 [pid 5079] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC [pid 5077] write(3, "0", 1 [pid 5075] <... openat resumed>) = 3 [pid 5081] <... write resumed>) = 1 [pid 5077] <... write resumed>) = 1 [pid 5075] write(3, "0 65535", 7 [pid 5081] close(3 [pid 5077] close(3 [pid 5075] <... write resumed>) = 7 [pid 5081] <... close resumed>) = 0 [pid 5081] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5077] <... close resumed>) = 0 [pid 5075] close(3 [pid 5081] <... socket resumed>) = 3 [pid 5075] <... close resumed>) = 0 [pid 5081] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5079] <... openat resumed>) = 3 [pid 5077] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5075] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK [pid 5079] write(3, "0", 1 [pid 5082] <... ioctl resumed>) = 0 [pid 5079] <... write resumed>) = 1 [pid 5077] <... socket resumed>) = 3 [pid 5075] <... openat resumed>) = 3 [pid 5082] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC [pid 5079] close(3 [pid 5082] <... openat resumed>) = 3 [pid 5079] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "0", 1) = 1 [pid 5079] close(3 [pid 5082] write(3, "0", 1 [pid 5079] <... close resumed>) = 0 [pid 5082] <... write resumed>) = 1 [pid 5079] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5082] close(3 [pid 5079] <... socket resumed>) = 3 [pid 5082] <... close resumed>) = 0 [pid 5079] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5082] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] <... socket resumed>) = 4 [pid 5079] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5082] write(3, "0", 1 [pid 5079] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5082] <... write resumed>) = 1 [pid 5074] <... ioctl resumed>) = 0 [pid 5081] <... socket resumed>) = 4 [pid 5082] close(3 [pid 5077] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5082] <... close resumed>) = 0 [pid 5079] close(4 [pid 5082] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 5079] <... close resumed>) = 0 [pid 5082] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5079] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5082] <... socket resumed>) = 4 [pid 5081] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5077] <... socket resumed>) = 4 [pid 5075] dup2(3, 200 [pid 5074] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC [pid 5077] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5075] <... dup2 resumed>) = 200 [pid 5081] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5075] close(3 [pid 5081] close(4 [pid 5077] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5075] <... close resumed>) = 0 [pid 5075] ioctl(200, TUNSETIFF, 0x7fff9a759fb0 [pid 5081] <... close resumed>) = 0 [pid 5079] <... sendto resumed>) = 40 [pid 5082] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5081] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5077] close(4 [pid 5075] <... ioctl resumed>) = 0 [pid 5074] <... openat resumed>) = 3 [pid 5082] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5079] recvfrom(3, [pid 5082] close(4 [pid 5081] <... sendto resumed>) = 40 [pid 5079] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5077] <... close resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC [pid 5074] write(3, "0", 1 [pid 5082] <... close resumed>) = 0 [pid 5081] recvfrom(3, [pid 5079] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5077] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5074] <... write resumed>) = 1 [pid 5082] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5081] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5079] <... socket resumed>) = 4 [pid 5075] <... openat resumed>) = 3 [pid 5074] close(3 [pid 5082] <... sendto resumed>) = 40 [pid 5081] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5079] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5077] <... sendto resumed>) = 40 [pid 5075] write(3, "0", 1 [pid 5074] <... close resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC [pid 5079] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5075] <... write resumed>) = 1 [pid 5074] <... openat resumed>) = 3 [pid 5081] <... socket resumed>) = 4 [pid 5077] recvfrom(3, [pid 5074] write(3, "0", 1 [pid 5082] recvfrom(3, [pid 5081] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5079] close(4 [pid 5077] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5075] close(3 [pid 5082] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5081] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5079] <... close resumed>) = 0 [pid 5074] <... write resumed>) = 1 [pid 5077] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5075] <... close resumed>) = 0 [pid 5082] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5081] close(4 [pid 5074] close(3 [pid 5079] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5077] <... socket resumed>) = 4 [pid 5075] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC [pid 5082] <... socket resumed>) = 4 [pid 5081] <... close resumed>) = 0 [pid 5077] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5074] <... close resumed>) = 0 [pid 5082] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5081] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5077] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5074] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5082] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5079] <... sendto resumed>) = 64 [pid 5075] <... openat resumed>) = 3 [pid 5082] close(4 [pid 5079] recvfrom(3, [pid 5077] close(4 [pid 5075] write(3, "0", 1 [pid 5074] <... socket resumed>) = 3 [pid 5082] <... close resumed>) = 0 [pid 5079] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5077] <... close resumed>) = 0 [pid 5075] <... write resumed>) = 1 [pid 5081] <... sendto resumed>) = 64 [pid 5074] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5082] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5081] recvfrom(3, [pid 5079] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5077] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5075] close(3 [pid 5074] <... socket resumed>) = 4 [pid 5082] <... sendto resumed>) = 64 [pid 5081] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5079] <... socket resumed>) = 4 [pid 5075] <... close resumed>) = 0 [pid 5074] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5082] recvfrom(3, [pid 5081] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5077] <... sendto resumed>) = 64 [pid 5082] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5079] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5077] recvfrom(3, [pid 5075] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5074] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5082] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5081] <... socket resumed>) = 4 [pid 5079] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5077] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5075] <... socket resumed>) = 3 [pid 5082] <... socket resumed>) = 4 [pid 5081] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5079] close(4 [pid 5077] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5074] close(4 [pid 5082] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5081] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5077] <... socket resumed>) = 4 [pid 5075] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5082] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5081] close(4 [pid 5079] <... close resumed>) = 0 [pid 5077] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5075] <... socket resumed>) = 4 [pid 5074] <... close resumed>) = 0 [pid 5082] close(4 [pid 5081] <... close resumed>) = 0 [pid 5079] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5077] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5082] <... close resumed>) = 0 [pid 5081] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5075] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5074] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5082] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5081] <... sendto resumed>) = 48 [pid 5079] <... sendto resumed>) = 48 [pid 5077] close(4 [pid 5075] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5081] recvfrom(3, [pid 5079] recvfrom(3, [pid 5074] <... sendto resumed>) = 40 [pid 5079] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5074] recvfrom(3, [pid 5082] <... sendto resumed>) = 48 [pid 5081] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5079] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5077] <... close resumed>) = 0 [pid 5075] close(4 [pid 5082] recvfrom(3, [pid 5074] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5082] <... recvfrom resumed>[{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5081] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5079] <... socket resumed>) = 4 [pid 5077] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5075] <... close resumed>) = 0 [pid 5074] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5082] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5081] <... socket resumed>) = 4 [pid 5079] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun"