./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor693599821 <...> Warning: Permanently added '10.128.10.50' (ED25519) to the list of known hosts. execve("./syz-executor693599821", ["./syz-executor693599821"], 0x7fffb8d486c0 /* 10 vars */) = 0 brk(NULL) = 0x5555570e7000 brk(0x5555570e7d00) = 0x5555570e7d00 arch_prctl(ARCH_SET_FS, 0x5555570e7380) = 0 set_tid_address(0x5555570e7650) = 5838 set_robust_list(0x5555570e7660, 24) = 0 rseq(0x5555570e7ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor693599821", 4096) = 27 getrandom("\x10\xaf\x3c\x03\xd9\x45\xfd\x19", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555570e7d00 brk(0x555557108d00) = 0x555557108d00 brk(0x555557109000) = 0x555557109000 mprotect(0x7f4776bee000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570e7650) = 5839 ./strace-static-x86_64: Process 5839 attached [pid 5839] set_robust_list(0x5555570e7660, 24) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] mkdir("./syzkaller.d32taK", 0700./strace-static-x86_64: Process 5840 attached ) = 0 [pid 5840] set_robust_list(0x5555570e7660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555570e7650) = 5840 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] mkdir("./syzkaller.iaRGFz", 0700 [pid 5839] chmod("./syzkaller.d32taK", 0777./strace-static-x86_64: Process 5841 attached [pid 5840] <... mkdir resumed>) = 0 [pid 5839] <... chmod resumed>) = 0 [pid 5840] chmod("./syzkaller.iaRGFz", 0777 [pid 5839] chdir("./syzkaller.d32taK" [pid 5838] <... clone resumed>, child_tidptr=0x5555570e7650) = 5841 [pid 5841] set_robust_list(0x5555570e7660, 24 [pid 5840] <... chmod resumed>) = 0 [pid 5839] <... chdir resumed>) = 0 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] chdir("./syzkaller.iaRGFz" [pid 5839] unshare(CLONE_NEWPID./strace-static-x86_64: Process 5842 attached [pid 5841] <... set_robust_list resumed>) = 0 [pid 5840] <... chdir resumed>) = 0 [pid 5839] <... unshare resumed>) = 0 [pid 5842] set_robust_list(0x5555570e7660, 24 [pid 5840] unshare(CLONE_NEWPID [pid 5842] <... set_robust_list resumed>) = 0 [pid 5841] getrandom( [pid 5840] <... unshare resumed>) = 0 [pid 5842] mkdir("./syzkaller.0weFkJ", 0700 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... clone resumed>, child_tidptr=0x5555570e7650) = 5842 [pid 5841] <... getrandom resumed>"\xc7\x13\xd9\xa9\xaf\x07\x74\xf7", 8, GRND_NONBLOCK) = 8 [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] getrandom( [pid 5842] <... mkdir resumed>) = 0 [pid 5841] <... getrandom resumed>"\x09\x71\xb4\xe4\x56\x89\x80\x6e", 8, GRND_NONBLOCK) = 8 ./strace-static-x86_64: Process 5844 attached ./strace-static-x86_64: Process 5843 attached [pid 5842] chmod("./syzkaller.0weFkJ", 0777 [pid 5841] mkdir("./syzkaller.RDIgkz", 0700 [pid 5844] set_robust_list(0x5555570e7660, 24 [pid 5843] set_robust_list(0x5555570e7660, 24 [pid 5842] <... chmod resumed>) = 0 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x5555570e7650) = 5843 [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] chdir("./syzkaller.0weFkJ" [pid 5844] mkdir("./syzkaller.zInIDD", 0700 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5845 attached [pid 5838] <... clone resumed>, child_tidptr=0x5555570e7650) = 5844 [pid 5841] chmod("./syzkaller.RDIgkz", 0777 [pid 5845] set_robust_list(0x5555570e7660, 24 [pid 5844] <... mkdir resumed>) = 0 [pid 5843] <... prctl resumed>) = 0 [pid 5842] unshare(CLONE_NEWPID [pid 5841] <... chmod resumed>) = 0 [pid 5845] <... set_robust_list resumed>) = 0 [pid 5844] chmod("./syzkaller.zInIDD", 0777 [pid 5843] getppid( [pid 5842] <... unshare resumed>) = 0 [pid 5841] chdir("./syzkaller.RDIgkz" [pid 5839] <... clone resumed>, child_tidptr=0x5555570e7650) = 5845 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5844] <... chmod resumed>) = 0 [pid 5843] <... getppid resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] <... chdir resumed>) = 0 [pid 5845] getppid( [pid 5844] chdir("./syzkaller.zInIDD" [pid 5841] unshare(CLONE_NEWPID./strace-static-x86_64: Process 5846 attached [pid 5845] <... getppid resumed>) = 0 [pid 5844] <... chdir resumed>) = 0 [pid 5843] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5841] <... unshare resumed>) = 0 [pid 5846] set_robust_list(0x5555570e7660, 24 [pid 5845] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5844] unshare(CLONE_NEWPID [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x5555570e7650) = 5846 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5845] <... prlimit64 resumed>NULL) = 0 [pid 5844] <... unshare resumed>) = 0 [pid 5843] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5845] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5848 attached ./strace-static-x86_64: Process 5847 attached [pid 5846] <... prctl resumed>) = 0 [pid 5845] <... prlimit64 resumed>NULL) = 0 [pid 5843] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5848] set_robust_list(0x5555570e7660, 24 [pid 5846] getppid( [pid 5845] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5844] <... clone resumed>, child_tidptr=0x5555570e7650) = 5847 [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5847] set_robust_list(0x5555570e7660, 24 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5846] <... getppid resumed>) = 0 [pid 5845] <... prlimit64 resumed>NULL) = 0 [pid 5847] <... set_robust_list resumed>) = 0 [pid 5843] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5845] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5848] <... prctl resumed>) = 0 [pid 5847] <... prctl resumed>) = 0 [pid 5846] <... prlimit64 resumed>NULL) = 0 [pid 5845] <... prlimit64 resumed>NULL) = 0 [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5848] getppid( [pid 5847] getppid( [pid 5846] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5845] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5848] <... getppid resumed>) = 0 [pid 5847] <... getppid resumed>) = 0 [pid 5846] <... prlimit64 resumed>NULL) = 0 [pid 5845] <... prlimit64 resumed>NULL) = 0 [pid 5843] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5848] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5847] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5846] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5848] <... prlimit64 resumed>NULL) = 0 [pid 5847] <... prlimit64 resumed>NULL) = 0 [pid 5846] <... prlimit64 resumed>NULL) = 0 [pid 5845] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5843] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5848] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5847] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5846] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5845] <... prlimit64 resumed>NULL) = 0 [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5848] <... prlimit64 resumed>NULL) = 0 [pid 5847] <... prlimit64 resumed>NULL) = 0 [pid 5846] <... prlimit64 resumed>NULL) = 0 [pid 5845] unshare(CLONE_NEWNS [pid 5848] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5847] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5846] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5843] unshare(CLONE_NEWNS [pid 5848] <... prlimit64 resumed>NULL) = 0 [pid 5847] <... prlimit64 resumed>NULL) = 0 [pid 5846] <... prlimit64 resumed>NULL) = 0 [pid 5845] <... unshare resumed>) = 0 [pid 5841] <... clone resumed>, child_tidptr=0x5555570e7650) = 5848 [pid 5848] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5847] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5846] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5845] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5843] <... unshare resumed>) = 0 [pid 5848] <... prlimit64 resumed>NULL) = 0 [pid 5847] <... prlimit64 resumed>NULL) = 0 [pid 5846] <... prlimit64 resumed>NULL) = 0 [pid 5848] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5847] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5845] <... mount resumed>) = 0 [pid 5843] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5848] <... prlimit64 resumed>NULL) = 0 [pid 5847] <... prlimit64 resumed>NULL) = 0 [pid 5846] unshare(CLONE_NEWNS [pid 5848] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5847] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5845] unshare(CLONE_NEWIPC [pid 5848] <... prlimit64 resumed>NULL) = 0 [pid 5847] <... prlimit64 resumed>NULL) = 0 [pid 5848] unshare(CLONE_NEWNS [pid 5847] unshare(CLONE_NEWNS [pid 5846] <... unshare resumed>) = 0 [pid 5845] <... unshare resumed>) = 0 [pid 5843] <... mount resumed>) = 0 [pid 5843] unshare(CLONE_NEWIPC [pid 5848] <... unshare resumed>) = 0 [pid 5847] <... unshare resumed>) = 0 [pid 5846] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5845] unshare(CLONE_NEWCGROUP [pid 5843] <... unshare resumed>) = 0 [pid 5848] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5847] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5845] <... unshare resumed>) = 0 [pid 5848] <... mount resumed>) = 0 [pid 5847] <... mount resumed>) = 0 [pid 5846] <... mount resumed>) = 0 [pid 5845] unshare(CLONE_NEWUTS [pid 5843] unshare(CLONE_NEWCGROUP [pid 5848] unshare(CLONE_NEWIPC [pid 5847] unshare(CLONE_NEWIPC [pid 5846] unshare(CLONE_NEWIPC [pid 5845] <... unshare resumed>) = 0 [pid 5843] <... unshare resumed>) = 0 [pid 5848] <... unshare resumed>) = 0 [pid 5846] <... unshare resumed>) = 0 [pid 5848] unshare(CLONE_NEWCGROUP [pid 5847] <... unshare resumed>) = 0 [pid 5845] unshare(CLONE_SYSVSEM [pid 5843] unshare(CLONE_NEWUTS [pid 5848] <... unshare resumed>) = 0 [pid 5847] unshare(CLONE_NEWCGROUP [pid 5845] <... unshare resumed>) = 0 [pid 5848] unshare(CLONE_NEWUTS) = 0 [pid 5847] <... unshare resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5843] <... unshare resumed>) = 0 [pid 5848] unshare(CLONE_SYSVSEM [pid 5847] unshare(CLONE_NEWUTS [pid 5846] unshare(CLONE_NEWCGROUP [pid 5843] unshare(CLONE_SYSVSEM [pid 5848] <... unshare resumed>) = 0 [pid 5847] <... unshare resumed>) = 0 [pid 5846] <... unshare resumed>) = 0 [pid 5845] <... openat resumed>) = 3 [pid 5843] <... unshare resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5847] unshare(CLONE_SYSVSEM [pid 5846] unshare(CLONE_NEWUTS [pid 5845] write(3, "16777216", 8 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5848] <... openat resumed>) = 3 [pid 5847] <... unshare resumed>) = 0 [pid 5846] <... unshare resumed>) = 0 [pid 5845] <... write resumed>) = 8 [pid 5843] <... openat resumed>) = 3 [pid 5848] write(3, "16777216", 8 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5846] unshare(CLONE_SYSVSEM [pid 5845] close(3 [pid 5848] <... write resumed>) = 8 [pid 5848] close(3 [pid 5847] <... openat resumed>) = 3 [pid 5846] <... unshare resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5843] write(3, "16777216", 8 [pid 5848] <... close resumed>) = 0 [pid 5847] write(3, "16777216", 8 [pid 5846] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5843] <... write resumed>) = 8 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5847] <... write resumed>) = 8 [pid 5848] <... openat resumed>) = 3 [pid 5847] close(3 [pid 5846] <... openat resumed>) = 3 [pid 5845] <... openat resumed>) = 3 [pid 5843] close(3 [pid 5848] write(3, "536870912", 9 [pid 5847] <... close resumed>) = 0 [pid 5846] write(3, "16777216", 8 [pid 5845] write(3, "536870912", 9 [pid 5843] <... close resumed>) = 0 [pid 5848] <... write resumed>) = 9 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5845] <... write resumed>) = 9 [pid 5848] close(3 [pid 5847] <... openat resumed>) = 3 [pid 5846] <... write resumed>) = 8 [pid 5845] close(3 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5848] <... close resumed>) = 0 [pid 5847] write(3, "536870912", 9 [pid 5846] close(3 [pid 5845] <... close resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5847] <... write resumed>) = 9 [pid 5846] <... close resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5843] write(3, "536870912", 9 [pid 5848] <... openat resumed>) = 3 [pid 5847] close(3 [pid 5846] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5843] <... write resumed>) = 9 [pid 5848] write(3, "1024", 4 [pid 5847] <... close resumed>) = 0 [pid 5846] <... openat resumed>) = 3 [pid 5845] <... openat resumed>) = 3 [pid 5843] close(3 [pid 5848] <... write resumed>) = 4 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5846] write(3, "536870912", 9 [pid 5845] write(3, "1024", 4 [pid 5843] <... close resumed>) = 0 [pid 5848] close(3 [pid 5847] <... openat resumed>) = 3 [pid 5846] <... write resumed>) = 9 [pid 5845] <... write resumed>) = 4 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5848] <... close resumed>) = 0 [pid 5847] write(3, "1024", 4 [pid 5846] close(3 [pid 5845] close(3 [pid 5843] <... openat resumed>) = 3 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5847] <... write resumed>) = 4 [pid 5846] <... close resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5848] <... openat resumed>) = 3 [pid 5847] close(3 [pid 5846] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5843] write(3, "1024", 4 [pid 5847] <... close resumed>) = 0 [pid 5843] <... write resumed>) = 4 [pid 5845] <... openat resumed>) = 3 [pid 5843] close(3 [pid 5846] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5848] write(3, "8192", 4 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5846] write(3, "1024", 4 [pid 5845] write(3, "8192", 4 [pid 5848] <... write resumed>) = 4 [pid 5847] <... openat resumed>) = 3 [pid 5848] close(3 [pid 5847] write(3, "8192", 4 [pid 5845] <... write resumed>) = 4 [pid 5848] <... close resumed>) = 0 [pid 5847] <... write resumed>) = 4 [pid 5845] close(3 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5847] close(3 [pid 5848] <... openat resumed>) = 3 [pid 5847] <... close resumed>) = 0 [pid 5846] <... write resumed>) = 4 [pid 5845] <... close resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5846] close(3 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5846] <... close resumed>) = 0 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5843] <... openat resumed>) = 3 [pid 5846] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5845] <... openat resumed>) = 3 [pid 5843] write(3, "8192", 4 [pid 5848] write(3, "1024", 4 [pid 5847] write(3, "1024", 4 [pid 5845] write(3, "1024", 4 [pid 5848] <... write resumed>) = 4 [pid 5847] <... write resumed>) = 4 [pid 5846] <... openat resumed>) = 3 [pid 5843] <... write resumed>) = 4 [pid 5848] close(3 [pid 5847] close(3 [pid 5845] <... write resumed>) = 4 [pid 5848] <... close resumed>) = 0 [pid 5847] <... close resumed>) = 0 [pid 5845] close(3 [pid 5846] write(3, "8192", 4 [pid 5843] close(3 [pid 5846] <... write resumed>) = 4 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5846] close(3 [pid 5845] <... close resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5848] <... openat resumed>) = 3 [pid 5847] <... openat resumed>) = 3 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5846] <... close resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5846] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5843] <... openat resumed>) = 3 [pid 5847] write(3, "1024", 4 [pid 5846] <... openat resumed>) = 3 [pid 5845] <... openat resumed>) = 3 [pid 5843] write(3, "1024", 4 [pid 5848] write(3, "1024", 4 [pid 5847] <... write resumed>) = 4 [pid 5845] write(3, "1024", 4 [pid 5848] <... write resumed>) = 4 [pid 5847] close(3 [pid 5846] write(3, "1024", 4 [pid 5845] <... write resumed>) = 4 [pid 5843] <... write resumed>) = 4 [pid 5848] close(3 [pid 5847] <... close resumed>) = 0 [pid 5846] <... write resumed>) = 4 [pid 5845] close(3 [pid 5843] close(3 [pid 5848] <... close resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5846] close(3 [pid 5845] <... close resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5847] <... openat resumed>) = 3 [pid 5845] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5843] <... close resumed>) = 0 [pid 5848] <... openat resumed>) = 3 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5846] <... close resumed>) = 0 [pid 5845] <... openat resumed>) = 3 [pid 5846] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5843] <... openat resumed>) = 3 [pid 5848] write(3, "1024 1048576 500 1024", 21 [pid 5847] write(3, "1024 1048576 500 1024", 21 [pid 5848] <... write resumed>) = 21 [pid 5847] <... write resumed>) = 21 [pid 5846] <... openat resumed>) = 3 [pid 5845] write(3, "1024 1048576 500 1024", 21 [pid 5843] write(3, "1024", 4 [pid 5848] close(3 [pid 5847] close(3 [pid 5846] write(3, "1024", 4 [pid 5845] <... write resumed>) = 21 [pid 5848] <... close resumed>) = 0 [pid 5847] <... close resumed>) = 0 [pid 5846] <... write resumed>) = 4 [pid 5845] close(3 [pid 5843] <... write resumed>) = 4 [pid 5848] getpid( [pid 5847] getpid( [pid 5846] close(3 [pid 5845] <... close resumed>) = 0 [pid 5843] close(3 [pid 5848] <... getpid resumed>) = 1 [pid 5847] <... getpid resumed>) = 1 [pid 5846] <... close resumed>) = 0 [pid 5845] getpid( [pid 5848] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5843] <... close resumed>) = 0 [pid 5846] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5848] <... capget resumed>{effective=1< [pid 5845] <... getpid resumed>) = 1 [pid 5848] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5847] <... capget resumed>{effective=1< [pid 5843] <... openat resumed>) = 3 [pid 5848] <... capset resumed>) = 0 [pid 5847] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5846] <... openat resumed>) = 3 [pid 5845] <... capget resumed>{effective=1< [pid 5847] <... capset resumed>) = 0 [pid 5845] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5847] unshare(CLONE_NEWNET [pid 5846] write(3, "1024 1048576 500 1024", 21 [pid 5843] write(3, "1024 1048576 500 1024", 21 [pid 5845] <... capset resumed>) = 0 [pid 5845] unshare(CLONE_NEWNET [pid 5843] <... write resumed>) = 21 [pid 5846] <... write resumed>) = 21 [pid 5843] close(3 [pid 5846] close(3) = 0 [pid 5843] <... close resumed>) = 0 [pid 5843] getpid( [pid 5846] getpid( [pid 5843] <... getpid resumed>) = 1 [pid 5846] <... getpid resumed>) = 1 [pid 5843] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5846] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5843] <... capget resumed>{effective=1<{effective=1< [pid 5846] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5843] <... capset resumed>) = 0 [pid 5846] <... capset resumed>) = 0 [pid 5843] unshare(CLONE_NEWNET [pid 5846] unshare(CLONE_NEWNET [pid 5848] <... unshare resumed>) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5847] <... unshare resumed>) = 0 [pid 5848] <... openat resumed>) = 3 [pid 5848] write(3, "0 65535", 7 [pid 5847] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5848] <... write resumed>) = 7 [pid 5847] <... openat resumed>) = 3 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "100000", 6) = 6 [pid 5847] write(3, "0 65535", 7 [pid 5848] close(3) = 0 [pid 5847] <... write resumed>) = 7 [pid 5848] mkdir("./syz-tmp", 0777) = 0 [pid 5847] close(3 [pid 5848] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5847] <... close resumed>) = 0 [pid 5847] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] write(3, "100000", 6) = 6 [pid 5847] close(3) = 0 [pid 5847] mkdir("./syz-tmp", 0777) = 0 [pid 5848] <... mount resumed>) = 0 [pid 5848] mkdir("./syz-tmp/newroot", 0777 [pid 5847] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5848] <... mkdir resumed>) = 0 [pid 5847] <... mount resumed>) = 0 [pid 5848] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5843] <... unshare resumed>) = 0 [pid 5848] <... mkdir resumed>) = 0 [pid 5847] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 5848] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5847] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5847] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5848] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5843] write(3, "0 65535", 7 [pid 5848] <... mkdir resumed>) = 0 [pid 5843] <... write resumed>) = 7 [pid 5847] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5843] close(3 [pid 5847] <... mkdir resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5848] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5843] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5848] <... mount resumed>) = 0 [pid 5847] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5843] <... openat resumed>) = 3 [pid 5843] write(3, "100000", 6) = 6 [pid 5847] <... mount resumed>) = 0 [pid 5843] close(3) = 0 [pid 5848] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5843] mkdir("./syz-tmp", 0777 [pid 5847] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5848] <... mkdir resumed>) = 0 [pid 5847] <... mkdir resumed>) = 0 [pid 5846] <... unshare resumed>) = 0 [pid 5845] <... unshare resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5848] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5846] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5845] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5843] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5846] <... openat resumed>) = 3 [pid 5845] <... openat resumed>) = 3 [pid 5846] write(3, "0 65535", 7) = 7 [pid 5843] <... mount resumed>) = 0 [pid 5846] close(3 [pid 5848] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5847] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5846] <... close resumed>) = 0 [pid 5845] write(3, "0 65535", 7 [pid 5843] mkdir("./syz-tmp/newroot", 0777 [pid 5848] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5845] <... write resumed>) = 7 [pid 5846] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5845] close(3 [pid 5847] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5846] <... openat resumed>) = 3 [pid 5846] write(3, "100000", 6 [pid 5845] <... close resumed>) = 0 [pid 5848] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5846] <... write resumed>) = 6 [pid 5845] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5846] close(3) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5845] <... openat resumed>) = 3 [pid 5846] mkdir("./syz-tmp", 0777) = 0 [pid 5846] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5848] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5847] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5845] write(3, "100000", 6 [pid 5843] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5845] <... write resumed>) = 6 [pid 5848] <... mkdir resumed>) = 0 [pid 5846] <... mount resumed>) = 0 [pid 5845] close(3 [pid 5843] <... mkdir resumed>) = 0 [pid 5848] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] <... mkdir resumed>) = 0 [pid 5845] <... close resumed>) = 0 [pid 5847] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5846] mkdir("./syz-tmp/newroot", 0777 [pid 5848] <... mount resumed>) = 0 [pid 5845] mkdir("./syz-tmp", 0777 [pid 5843] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5848] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] <... mount resumed>) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5848] <... mount resumed>) = 0 [pid 5847] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] <... mount resumed>) = 0 [pid 5847] <... mount resumed>) = 0 [pid 5846] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 5848] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5846] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5845] <... mkdir resumed>) = 0 [pid 5843] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5848] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5847] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5846] <... mount resumed>) = 0 [pid 5848] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5845] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5843] <... mkdir resumed>) = 0 [pid 5846] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5845] <... mount resumed>) = 0 [pid 5848] <... mount resumed>) = 0 [pid 5847] <... mount resumed>) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5845] mkdir("./syz-tmp/newroot", 0777 [pid 5843] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5846] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5848] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5847] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5845] <... mkdir resumed>) = 0 [pid 5843] <... mount resumed>) = 0 [pid 5845] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5843] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5846] <... mount resumed>) = 0 [pid 5845] <... mkdir resumed>) = 0 [pid 5848] <... mkdir resumed>) = 0 [pid 5845] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] <... mkdir resumed>) = 0 [pid 5848] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] <... mkdir resumed>) = 0 [pid 5846] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5845] <... mount resumed>) = 0 [pid 5847] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5845] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5843] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5846] <... mkdir resumed>) = 0 [pid 5845] <... mkdir resumed>) = 0 [pid 5843] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5848] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5847] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5846] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5848] mkdir("./syz-tmp/pivot", 0777 [pid 5847] mkdir("./syz-tmp/pivot", 0777 [pid 5846] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5845] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5843] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5846] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] <... mkdir resumed>) = 0 [pid 5846] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5843] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5843] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 5847] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5846] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5845] <... mount resumed>) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5843] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5843] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5848] <... mkdir resumed>) = 0 [pid 5847] <... pivot_root resumed>) = 0 [pid 5846] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5845] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5848] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5847] chdir("/" [pid 5843] <... mount resumed>) = 0 [pid 5846] <... mount resumed>) = 0 [pid 5847] <... chdir resumed>) = 0 [pid 5845] <... mkdir resumed>) = 0 [pid 5848] <... pivot_root resumed>) = 0 [pid 5847] umount2("./pivot", MNT_DETACH [pid 5845] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5846] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5848] chdir("/" [pid 5847] <... umount2 resumed>) = 0 [pid 5845] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5843] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5845] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5846] <... mount resumed>) = 0 [pid 5845] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5845] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5848] <... chdir resumed>) = 0 [pid 5847] chroot("./newroot" [pid 5846] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5845] <... mkdir resumed>) = 0 [pid 5843] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5848] umount2("./pivot", MNT_DETACH [pid 5847] <... chroot resumed>) = 0 [pid 5846] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5845] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] <... mount resumed>) = 0 [pid 5847] chdir("/" [pid 5846] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5845] <... mount resumed>) = 0 [pid 5848] <... umount2 resumed>) = 0 [pid 5845] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5848] chroot("./newroot" [pid 5846] <... mount resumed>) = 0 [pid 5845] <... mount resumed>) = 0 [pid 5847] <... chdir resumed>) = 0 [pid 5848] <... chroot resumed>) = 0 [pid 5843] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5848] chdir("/" [pid 5847] mkdir("/dev/gadgetfs", 0777 [pid 5846] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5845] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5848] <... chdir resumed>) = 0 [pid 5848] mkdir("/dev/gadgetfs", 0777 [pid 5847] <... mkdir resumed>) = 0 [pid 5845] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5846] <... mkdir resumed>) = 0 [pid 5848] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5847] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5843] <... mkdir resumed>) = 0 [pid 5848] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5846] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5847] <... mount resumed>) = 0 [pid 5845] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5846] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5848] <... mount resumed>) = 0 [pid 5847] mkdir("/dev/binderfs", 0777 [pid 5846] mkdir("./syz-tmp/pivot", 0777 [pid 5845] <... mount resumed>) = 0 [pid 5843] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5847] <... mkdir resumed>) = 0 [pid 5848] mkdir("/dev/binderfs", 0777 [pid 5847] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5845] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5843] mkdir("./syz-tmp/pivot", 0777 [pid 5848] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5846] <... mkdir resumed>) = 0 [pid 5846] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5848] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5846] <... pivot_root resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5846] chdir("/" [pid 5848] <... mount resumed>) = 0 [pid 5847] <... mount resumed>) = 0 [pid 5845] <... mkdir resumed>) = 0 [pid 5843] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5848] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5847] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5846] <... chdir resumed>) = 0 [pid 5845] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5848] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5847] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5846] umount2("./pivot", MNT_DETACH [pid 5845] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5843] <... pivot_root resumed>) = 0 [pid 5848] mkdir("./0", 0777 [pid 5847] mkdir("./0", 0777 [pid 5846] <... umount2 resumed>) = 0 [pid 5845] mkdir("./syz-tmp/pivot", 0777 [pid 5843] chdir("/" [pid 5848] <... mkdir resumed>) = 0 [pid 5847] <... mkdir resumed>) = 0 [pid 5846] chroot("./newroot" [pid 5845] <... mkdir resumed>) = 0 [pid 5843] <... chdir resumed>) = 0 [pid 5846] <... chroot resumed>) = 0 [pid 5848] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] chdir("/" [pid 5847] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5846] <... chdir resumed>) = 0 [pid 5845] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5843] umount2("./pivot", MNT_DETACH./strace-static-x86_64: Process 5856 attached ./strace-static-x86_64: Process 5855 attached [pid 5848] <... clone resumed>, child_tidptr=0x5555570e7650) = 2 [pid 5846] mkdir("/dev/gadgetfs", 0777 [pid 5845] <... pivot_root resumed>) = 0 [pid 5856] set_robust_list(0x5555570e7660, 24 [pid 5855] set_robust_list(0x5555570e7660, 24 [pid 5847] <... clone resumed>, child_tidptr=0x5555570e7650) = 2 [pid 5846] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5843] <... umount2 resumed>) = 0 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5846] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5856] chdir("./0" [pid 5855] <... set_robust_list resumed>) = 0 [pid 5846] <... mount resumed>) = 0 [pid 5845] chdir("/" [pid 5843] chroot("./newroot" [pid 5855] chdir("./0" [pid 5845] <... chdir resumed>) = 0 [pid 5856] <... chdir resumed>) = 0 [pid 5846] mkdir("/dev/binderfs", 0777 [pid 5843] <... chroot resumed>) = 0 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5846] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5856] <... prctl resumed>) = 0 [pid 5846] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5843] chdir("/" [pid 5856] setpgid(0, 0 [pid 5855] <... chdir resumed>) = 0 [pid 5845] umount2("./pivot", MNT_DETACH [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5856] <... setpgid resumed>) = 0 [pid 5846] <... mount resumed>) = 0 [pid 5843] <... chdir resumed>) = 0 [pid 5855] setpgid(0, 0 [pid 5845] <... umount2 resumed>) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5855] <... setpgid resumed>) = 0 [pid 5843] mkdir("/dev/gadgetfs", 0777 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5845] chroot("./newroot" [pid 5846] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5843] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5856] <... openat resumed>) = 3 [pid 5855] <... openat resumed>) = 3 [pid 5845] <... chroot resumed>) = 0 [pid 5845] chdir("/") = 0 [pid 5856] write(3, "1000", 4 [pid 5855] write(3, "1000", 4 [pid 5846] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5845] mkdir("/dev/gadgetfs", 0777 [pid 5843] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5856] <... write resumed>) = 4 [pid 5856] close(3) = 0 [pid 5855] <... write resumed>) = 4 [pid 5845] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5856] symlink("/dev/binderfs", "./binderfs" [pid 5855] close(3 [pid 5845] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5856] <... symlink resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5846] mkdir("./0", 0777 [pid 5845] <... mount resumed>) = 0 [pid 5843] <... mount resumed>) = 0 executing program [pid 5856] write(1, "executing program\n", 18 [pid 5855] symlink("/dev/binderfs", "./binderfs" [pid 5845] mkdir("/dev/binderfs", 0777 [pid 5856] <... write resumed>) = 18 [pid 5855] <... symlink resumed>) = 0 [pid 5846] <... mkdir resumed>) = 0 [pid 5843] mkdir("/dev/binderfs", 0777 [pid 5856] getpid(executing program [pid 5855] write(1, "executing program\n", 18 [pid 5845] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5856] <... getpid resumed>) = 2 [pid 5846] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5856] pidfd_open(2, 0 [pid 5855] <... write resumed>) = 18 [pid 5845] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5843] mount("binder", "/dev/binderfs", "binder", 0, NULL./strace-static-x86_64: Process 5857 attached