./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor930934765 <...> Warning: Permanently added '10.128.0.90' (ED25519) to the list of known hosts. execve("./syz-executor930934765", ["./syz-executor930934765"], 0x7ffd83a4c680 /* 10 vars */) = 0 brk(NULL) = 0x5555701f6000 brk(0x5555701f6d00) = 0x5555701f6d00 arch_prctl(ARCH_SET_FS, 0x5555701f6380) = 0 set_tid_address(0x5555701f6650) = 5825 set_robust_list(0x5555701f6660, 24) = 0 rseq(0x5555701f6ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor930934765", 4096) = 27 getrandom("\xc6\x0c\xa7\xcb\x54\xae\x44\x91", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555701f6d00 brk(0x555570217d00) = 0x555570217d00 brk(0x555570218000) = 0x555570218000 mprotect(0x7fb4096c0000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5826 attached [pid 5826] set_robust_list(0x5555701f6660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x5555701f6650) = 5826 [pid 5826] <... set_robust_list resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] mkdir("./syzkaller.eNrj1i", 0700./strace-static-x86_64: Process 5827 attached [pid 5827] set_robust_list(0x5555701f6660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x5555701f6650) = 5827 [pid 5827] <... set_robust_list resumed>) = 0 [pid 5827] mkdir("./syzkaller.LVFc8M", 0700 [pid 5826] <... mkdir resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5826] chmod("./syzkaller.eNrj1i", 0777 [pid 5825] <... clone resumed>, child_tidptr=0x5555701f6650) = 5828 ./strace-static-x86_64: Process 5828 attached [pid 5827] <... mkdir resumed>) = 0 [pid 5826] <... chmod resumed>) = 0 [pid 5828] set_robust_list(0x5555701f6660, 24 [pid 5826] chdir("./syzkaller.eNrj1i" [pid 5828] <... set_robust_list resumed>) = 0 [pid 5826] <... chdir resumed>) = 0 [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5827] chmod("./syzkaller.LVFc8M", 0777 [pid 5828] mkdir("./syzkaller.TONQWu", 0700 [pid 5826] unshare(CLONE_NEWPID./strace-static-x86_64: Process 5829 attached [pid 5827] <... chmod resumed>) = 0 [pid 5827] chdir("./syzkaller.LVFc8M" [pid 5826] <... unshare resumed>) = 0 [pid 5825] <... clone resumed>, child_tidptr=0x5555701f6650) = 5829 [pid 5829] set_robust_list(0x5555701f6660, 24 [pid 5828] <... mkdir resumed>) = 0 [pid 5827] <... chdir resumed>) = 0 [pid 5826] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5825] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... set_robust_list resumed>) = 0 [pid 5828] chmod("./syzkaller.TONQWu", 0777 [pid 5827] unshare(CLONE_NEWPID./strace-static-x86_64: Process 5830 attached [pid 5829] mkdir("./syzkaller.5Lh0el", 0700 [pid 5828] <... chmod resumed>) = 0 [pid 5827] <... unshare resumed>) = 0 [pid 5830] set_robust_list(0x5555701f6660, 24 [pid 5828] chdir("./syzkaller.TONQWu" [pid 5830] <... set_robust_list resumed>) = 0 [pid 5828] <... chdir resumed>) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x5555701f6650) = 5830 ./strace-static-x86_64: Process 5831 attached [pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5828] unshare(CLONE_NEWPID [pid 5827] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5828] <... unshare resumed>) = 0 [pid 5830] <... prctl resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5828] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5832 attached [pid 5830] getppid() = 0 [pid 5830] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, ./strace-static-x86_64: Process 5833 attached [pid 5825] <... clone resumed>, child_tidptr=0x5555701f6650) = 5831 [pid 5831] set_robust_list(0x5555701f6660, 24 [pid 5830] <... prlimit64 resumed>NULL) = 0 [pid 5832] set_robust_list(0x5555701f6660, 24 [pid 5830] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5832] <... set_robust_list resumed>) = 0 [pid 5831] <... set_robust_list resumed>) = 0 [pid 5833] set_robust_list(0x5555701f6660, 24 [pid 5830] <... prlimit64 resumed>NULL) = 0 [pid 5829] chmod("./syzkaller.5Lh0el", 0777 [pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5827] <... clone resumed>, child_tidptr=0x5555701f6650) = 5833 [pid 5832] <... prctl resumed>) = 0 [pid 5830] <... prlimit64 resumed>NULL) = 0 [pid 5828] <... clone resumed>, child_tidptr=0x5555701f6650) = 5832 [pid 5833] <... set_robust_list resumed>) = 0 [pid 5832] getppid( [pid 5831] getrandom( [pid 5830] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5829] <... chmod resumed>) = 0 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... getppid resumed>) = 0 [pid 5830] <... prlimit64 resumed>NULL) = 0 [pid 5833] <... prctl resumed>) = 0 [pid 5832] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5831] <... getrandom resumed>"\x95\x73\x50\x7c\xc0\xab\x9c\x58", 8, GRND_NONBLOCK) = 8 [pid 5830] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5829] chdir("./syzkaller.5Lh0el" [pid 5833] getppid( [pid 5832] <... prlimit64 resumed>NULL) = 0 [pid 5831] mkdir("./syzkaller.BxEcsF", 0700 [pid 5830] <... prlimit64 resumed>NULL) = 0 [pid 5829] <... chdir resumed>) = 0 [pid 5833] <... getppid resumed>) = 0 [pid 5832] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5830] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5833] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5832] <... prlimit64 resumed>NULL) = 0 [pid 5830] <... prlimit64 resumed>NULL) = 0 [pid 5832] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5830] unshare(CLONE_NEWNS [pid 5832] <... prlimit64 resumed>NULL) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... unshare resumed>) = 0 [pid 5829] unshare(CLONE_NEWPID [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5832] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5833] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5829] <... unshare resumed>) = 0 [pid 5832] <... prlimit64 resumed>NULL) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5831] chmod("./syzkaller.BxEcsF", 0777 [pid 5830] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL./strace-static-x86_64: Process 5834 attached [pid 5833] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5832] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5831] <... chmod resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x5555701f6650) = 5834 [pid 5834] set_robust_list(0x5555701f6660, 24 [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5832] <... prlimit64 resumed>NULL) = 0 [pid 5831] chdir("./syzkaller.BxEcsF" [pid 5830] <... mount resumed>) = 0 [pid 5834] <... set_robust_list resumed>) = 0 [pid 5833] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5832] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5831] <... chdir resumed>) = 0 [pid 5830] unshare(CLONE_NEWIPC [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5832] <... prlimit64 resumed>NULL) = 0 [pid 5834] <... prctl resumed>) = 0 [pid 5833] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5832] unshare(CLONE_NEWNS [pid 5831] unshare(CLONE_NEWPID [pid 5830] <... unshare resumed>) = 0 [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5831] <... unshare resumed>) = 0 [pid 5834] getppid( [pid 5833] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] unshare(CLONE_NEWCGROUP [pid 5834] <... getppid resumed>) = 0 [pid 5833] <... prlimit64 resumed>NULL) = 0 [pid 5832] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 5835 attached [pid 5833] unshare(CLONE_NEWNS [pid 5834] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5835] set_robust_list(0x5555701f6660, 24 [pid 5831] <... clone resumed>, child_tidptr=0x5555701f6650) = 5835 [pid 5830] <... unshare resumed>) = 0 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5833] <... unshare resumed>) = 0 [pid 5832] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5830] unshare(CLONE_NEWUTS [pid 5835] <... prctl resumed>) = 0 [pid 5834] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5832] <... mount resumed>) = 0 [pid 5830] <... unshare resumed>) = 0 [pid 5835] getppid( [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5830] unshare(CLONE_SYSVSEM [pid 5835] <... getppid resumed>) = 0 [pid 5834] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5832] unshare(CLONE_NEWIPC [pid 5830] <... unshare resumed>) = 0 [pid 5835] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5833] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5832] <... unshare resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5833] unshare(CLONE_NEWIPC [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5833] <... unshare resumed>) = 0 [pid 5832] unshare(CLONE_NEWCGROUP [pid 5830] <... openat resumed>) = 3 [pid 5835] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5832] <... unshare resumed>) = 0 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5833] unshare(CLONE_NEWCGROUP [pid 5832] unshare(CLONE_NEWUTS [pid 5835] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5833] <... unshare resumed>) = 0 [pid 5832] <... unshare resumed>) = 0 [pid 5830] write(3, "16777216", 8 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5833] unshare(CLONE_NEWUTS [pid 5832] unshare(CLONE_SYSVSEM [pid 5835] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5834] <... prlimit64 resumed>NULL) = 0 [pid 5832] <... unshare resumed>) = 0 [pid 5830] <... write resumed>) = 8 [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] unshare(CLONE_NEWNS [pid 5833] <... unshare resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5830] close(3 [pid 5835] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5834] <... unshare resumed>) = 0 [pid 5833] unshare(CLONE_SYSVSEM [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5834] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5833] <... unshare resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5835] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5834] <... mount resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5835] <... prlimit64 resumed>NULL) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5832] write(3, "16777216", 8 [pid 5830] <... openat resumed>) = 3 [pid 5835] unshare(CLONE_NEWNS [pid 5834] unshare(CLONE_NEWIPC [pid 5832] <... write resumed>) = 8 [pid 5833] <... openat resumed>) = 3 [pid 5832] close(3 [pid 5835] <... unshare resumed>) = 0 [pid 5834] <... unshare resumed>) = 0 [pid 5833] write(3, "16777216", 8 [pid 5830] write(3, "536870912", 9 [pid 5835] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5832] <... close resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5834] unshare(CLONE_NEWCGROUP [pid 5833] <... write resumed>) = 8 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5830] <... write resumed>) = 9 [pid 5835] unshare(CLONE_NEWIPC [pid 5834] <... unshare resumed>) = 0 [pid 5833] close(3 [pid 5832] <... openat resumed>) = 3 [pid 5835] <... unshare resumed>) = 0 [pid 5834] unshare(CLONE_NEWUTS [pid 5833] <... close resumed>) = 0 [pid 5832] write(3, "536870912", 9 [pid 5830] close(3 [pid 5834] <... unshare resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5830] <... close resumed>) = 0 [pid 5835] unshare(CLONE_NEWCGROUP [pid 5834] unshare(CLONE_SYSVSEM [pid 5833] <... openat resumed>) = 3 [pid 5832] <... write resumed>) = 9 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5835] <... unshare resumed>) = 0 [pid 5832] close(3 [pid 5835] unshare(CLONE_NEWUTS [pid 5832] <... close resumed>) = 0 [pid 5835] <... unshare resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5835] unshare(CLONE_SYSVSEM) = 0 [pid 5834] <... unshare resumed>) = 0 [pid 5833] write(3, "536870912", 9 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5833] <... write resumed>) = 9 [pid 5830] write(3, "1024", 4 [pid 5835] <... openat resumed>) = 3 [pid 5833] close(3 [pid 5832] write(3, "1024", 4 [pid 5833] <... close resumed>) = 0 [pid 5830] <... write resumed>) = 4 [pid 5834] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5834] write(3, "16777216", 8 [pid 5830] close(3 [pid 5835] write(3, "16777216", 8 [pid 5834] <... write resumed>) = 8 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... write resumed>) = 4 [pid 5830] <... close resumed>) = 0 [pid 5835] <... write resumed>) = 8 [pid 5834] close(3 [pid 5832] close(3 [pid 5835] close(3 [pid 5832] <... close resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5834] <... close resumed>) = 0 [pid 5833] write(3, "1024", 4 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5835] <... openat resumed>) = 3 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5833] <... write resumed>) = 4 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5835] write(3, "536870912", 9 [pid 5834] <... openat resumed>) = 3 [pid 5833] close(3 [pid 5830] write(3, "8192", 4 [pid 5835] <... write resumed>) = 9 [pid 5833] <... close resumed>) = 0 [pid 5832] write(3, "8192", 4 [pid 5835] close(3 [pid 5834] write(3, "536870912", 9 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5832] <... write resumed>) = 4 [pid 5830] <... write resumed>) = 4 [pid 5835] <... close resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5834] <... write resumed>) = 9 [pid 5833] <... openat resumed>) = 3 [pid 5830] close(3 [pid 5835] <... openat resumed>) = 3 [pid 5834] close(3 [pid 5832] close(3 [pid 5834] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5833] write(3, "8192", 4 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5835] write(3, "1024", 4 [pid 5832] <... close resumed>) = 0 [pid 5835] <... write resumed>) = 4 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5835] close(3) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5833] <... write resumed>) = 4 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5834] write(3, "1024", 4 [pid 5833] close(3 [pid 5832] write(3, "1024", 4 [pid 5830] write(3, "1024", 4 [pid 5835] <... openat resumed>) = 3 [pid 5834] <... write resumed>) = 4 [pid 5833] <... close resumed>) = 0 [pid 5832] <... write resumed>) = 4 [pid 5830] <... write resumed>) = 4 [pid 5835] write(3, "8192", 4 [pid 5834] close(3 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5832] close(3 [pid 5830] close(3 [pid 5835] <... write resumed>) = 4 [pid 5834] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5835] close(3 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5833] <... openat resumed>) = 3 [pid 5832] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5835] <... close resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5830] write(3, "1024", 4 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5834] write(3, "8192", 4 [pid 5833] write(3, "1024", 4 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5835] <... openat resumed>) = 3 [pid 5834] <... write resumed>) = 4 [pid 5833] <... write resumed>) = 4 [pid 5830] <... write resumed>) = 4 [pid 5835] write(3, "1024", 4 [pid 5834] close(3 [pid 5833] close(3 [pid 5832] <... openat resumed>) = 3 [pid 5830] close(3 [pid 5835] <... write resumed>) = 4 [pid 5834] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] write(3, "1024", 4 [pid 5830] <... close resumed>) = 0 [pid 5835] close(3 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5832] <... write resumed>) = 4 [pid 5830] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5835] <... close resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5830] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5832] close(3 [pid 5830] write(3, "1024 1048576 500 1024", 21 [pid 5835] <... openat resumed>) = 3 [pid 5834] write(3, "1024", 4 [pid 5832] <... close resumed>) = 0 [pid 5834] <... write resumed>) = 4 [pid 5832] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5830] <... write resumed>) = 21 [pid 5835] write(3, "1024", 4 [pid 5834] close(3 [pid 5833] write(3, "1024", 4 [pid 5832] <... openat resumed>) = 3 [pid 5830] close(3 [pid 5833] <... write resumed>) = 4 [pid 5830] <... close resumed>) = 0 [pid 5835] <... write resumed>) = 4 [pid 5834] <... close resumed>) = 0 [pid 5833] close(3 [pid 5832] write(3, "1024 1048576 500 1024", 21 [pid 5835] close(3 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5833] <... close resumed>) = 0 [pid 5830] getpid( [pid 5835] <... close resumed>) = 0 [pid 5834] <... openat resumed>) = 3 [pid 5832] <... write resumed>) = 21 [pid 5830] <... getpid resumed>) = 1 [pid 5835] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5834] write(3, "1024", 4 [pid 5832] close(3 [pid 5830] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5835] <... openat resumed>) = 3 [pid 5835] write(3, "1024 1048576 500 1024", 21 [pid 5834] <... write resumed>) = 4 [pid 5832] <... close resumed>) = 0 [pid 5830] <... capget resumed>{effective=1<) = 21 [pid 5834] close(3 [pid 5832] getpid( [pid 5830] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5835] close(3 [pid 5834] <... close resumed>) = 0 [pid 5832] <... getpid resumed>) = 1 [pid 5830] <... capset resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5832] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5830] unshare(CLONE_NEWNET [pid 5835] getpid( [pid 5834] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5832] <... capget resumed>{effective=1<) = 3 [pid 5833] write(3, "1024 1048576 500 1024", 21 [pid 5835] <... getpid resumed>) = 1 [pid 5834] write(3, "1024 1048576 500 1024", 21 [pid 5833] <... write resumed>) = 21 [pid 5832] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5835] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5834] <... write resumed>) = 21 [pid 5833] close(3 [pid 5835] <... capget resumed>{effective=1< [pid 5833] <... close resumed>) = 0 [pid 5832] <... capset resumed>) = 0 [pid 5835] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5834] <... close resumed>) = 0 [pid 5833] getpid( [pid 5832] unshare(CLONE_NEWNET [pid 5835] <... capset resumed>) = 0 [pid 5834] getpid( [pid 5833] <... getpid resumed>) = 1 [pid 5835] unshare(CLONE_NEWNET [pid 5834] <... getpid resumed>) = 1 [pid 5833] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5834] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5833] <... capget resumed>{effective=1<{effective=1< [pid 5834] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5835] <... unshare resumed>) = 0 [pid 5833] <... unshare resumed>) = 0 [pid 5835] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5833] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5835] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5833] write(3, "0 65535", 7 [pid 5835] write(3, "0 65535", 7 [pid 5832] <... unshare resumed>) = 0 [pid 5830] <... unshare resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5835] <... write resumed>) = 7 [pid 5834] <... unshare resumed>) = 0 [pid 5833] <... write resumed>) = 7 [pid 5832] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5835] close(3) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5833] close(3 [pid 5832] write(3, "0 65535", 7 [pid 5830] <... openat resumed>) = 3 [pid 5835] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5832] <... write resumed>) = 7 [pid 5832] close(3) = 0 [pid 5835] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5830] write(3, "0 65535", 7 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... write resumed>) = 7 [pid 5830] close(3 [pid 5835] write(3, "100000", 6 [pid 5834] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5832] write(3, "100000", 6 [pid 5835] <... write resumed>) = 6 [pid 5834] write(3, "0 65535", 7 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... write resumed>) = 6 [pid 5830] <... close resumed>) = 0 [pid 5835] close(3 [pid 5834] <... write resumed>) = 7 [pid 5833] write(3, "100000", 6 [pid 5832] close(3 [pid 5830] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5835] <... close resumed>) = 0 [pid 5834] close(3 [pid 5833] <... write resumed>) = 6 [pid 5832] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5835] mkdir("./syz-tmp", 0777 [pid 5834] <... close resumed>) = 0 [pid 5833] close(3 [pid 5832] mkdir("./syz-tmp", 0777 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5833] <... close resumed>) = 0 [pid 5830] write(3, "100000", 6 [pid 5833] mkdir("./syz-tmp", 0777 [pid 5835] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5834] <... openat resumed>) = 3 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] <... write resumed>) = 6 [pid 5833] <... mkdir resumed>) = 0 [pid 5833] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5835] <... mount resumed>) = 0 [pid 5834] write(3, "100000", 6 [pid 5832] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5830] close(3 [pid 5835] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 5834] <... write resumed>) = 6 [pid 5833] <... mount resumed>) = 0 [pid 5832] <... mount resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5834] close(3 [pid 5830] mkdir("./syz-tmp", 0777 [pid 5835] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5834] <... close resumed>) = 0 [pid 5833] mkdir("./syz-tmp/newroot", 0777 [pid 5832] mkdir("./syz-tmp/newroot", 0777 [pid 5834] mkdir("./syz-tmp", 0777 [pid 5835] <... mkdir resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5835] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mkdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5830] <... mkdir resumed>) = 0 [pid 5834] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5833] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5835] <... mount resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5835] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5834] <... mount resumed>) = 0 [pid 5832] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] mkdir("./syz-tmp/newroot", 0777 [pid 5833] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mkdir resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5833] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5835] <... mkdir resumed>) = 0 [pid 5834] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5832] <... mount resumed>) = 0 [pid 5830] <... mount resumed>) = 0 [pid 5835] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5834] <... mkdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5830] mkdir("./syz-tmp/newroot", 0777 [pid 5835] <... mount resumed>) = 0 [pid 5834] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5834] <... mount resumed>) = 0 [pid 5833] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5832] <... mkdir resumed>) = 0 [pid 5834] mkdir("./syz-tmp/newroot/proc", 0700) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5832] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5830] <... mkdir resumed>) = 0 [pid 5835] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5830] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5835] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5834] <... mount resumed>) = 0 [pid 5832] <... mount resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5835] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5834] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5833] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5832] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5830] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5834] <... mkdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] <... mount resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5833] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5832] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5830] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5833] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5835] <... mount resumed>) = 0 [pid 5834] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5832] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5830] <... mkdir resumed>) = 0 [pid 5833] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5832] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5833] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5832] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5835] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5830] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5832] <... mkdir resumed>) = 0 [pid 5835] <... mount resumed>) = 0 [pid 5834] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5833] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5832] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5830] <... mount resumed>) = 0 [pid 5835] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mkdir resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5835] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5834] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5832] <... mount resumed>) = 0 [pid 5835] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mount resumed>) = 0 [pid 5833] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5830] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5833] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5832] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mount resumed>) = 0 [pid 5833] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5832] <... mount resumed>) = 0 [pid 5834] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... mount resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5832] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5834] <... mount resumed>) = 0 [pid 5832] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5833] mkdir("./syz-tmp/pivot", 0777 [pid 5832] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] mkdir("./syz-tmp/pivot", 0777 [pid 5834] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... mount resumed>) = 0 [pid 5830] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5833] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5830] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5835] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5834] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5830] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5833] <... pivot_root resumed>) = 0 [pid 5832] mkdir("./syz-tmp/pivot", 0777 [pid 5830] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5834] <... mount resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5832] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5835] <... pivot_root resumed>) = 0 [pid 5834] mkdir("./syz-tmp/pivot", 0777 [pid 5833] chdir("/" [pid 5830] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5833] <... chdir resumed>) = 0 [pid 5832] <... pivot_root resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5835] chdir("/" [pid 5833] umount2("./pivot", MNT_DETACH [pid 5832] chdir("/" [pid 5830] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... chdir resumed>) = 0 [pid 5834] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5833] <... umount2 resumed>) = 0 [pid 5835] umount2("./pivot", MNT_DETACH [pid 5830] <... mount resumed>) = 0 [pid 5834] <... pivot_root resumed>) = 0 [pid 5833] chroot("./newroot" [pid 5832] <... chdir resumed>) = 0 [pid 5832] umount2("./pivot", MNT_DETACH [pid 5833] <... chroot resumed>) = 0 [pid 5833] chdir("/") = 0 [pid 5835] <... umount2 resumed>) = 0 [pid 5834] chdir("/" [pid 5833] mkdir("/dev/binderfs", 0777 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] chroot("./newroot" [pid 5834] <... chdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] chroot("./newroot" [pid 5835] <... chroot resumed>) = 0 [pid 5834] umount2("./pivot", MNT_DETACH [pid 5830] <... mount resumed>) = 0 [pid 5835] chdir("/" [pid 5834] <... umount2 resumed>) = 0 [pid 5833] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5832] <... chroot resumed>) = 0 [pid 5830] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5835] <... chdir resumed>) = 0 [pid 5834] chroot("./newroot" [pid 5830] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5830] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5830] mkdir("./syz-tmp/pivot", 0777 [pid 5835] mkdir("/dev/binderfs", 0777 [pid 5834] <... chroot resumed>) = 0 [pid 5833] <... mount resumed>) = 0 [pid 5832] chdir("/" [pid 5834] chdir("/" [pid 5833] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5834] <... chdir resumed>) = 0 [pid 5835] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5834] mkdir("/dev/binderfs", 0777 [pid 5832] <... chdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5835] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5834] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5832] mkdir("/dev/binderfs", 0777 [pid 5830] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5834] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5833] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5835] <... mount resumed>) = 0 [pid 5834] <... mount resumed>) = 0 [pid 5832] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5830] <... pivot_root resumed>) = 0 [pid 5833] mkdir("./0", 0777 [pid 5835] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5832] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5834] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5833] <... mkdir resumed>) = 0 [pid 5830] chdir("/" [pid 5834] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] <... mount resumed>) = 0 [pid 5830] <... chdir resumed>) = 0 [pid 5835] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5835] mkdir("./0", 0777 [pid 5834] mkdir("./0", 0777 [pid 5833] <... openat resumed>) = 3 [pid 5830] umount2("./pivot", MNT_DETACH [pid 5835] <... mkdir resumed>) = 0 [pid 5834] <... mkdir resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5835] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... umount2 resumed>) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5835] <... openat resumed>) = 3 [pid 5834] <... openat resumed>) = 3 [pid 5832] mkdir("./0", 0777 [pid 5835] ioctl(3, LOOP_CLR_FD [pid 5834] ioctl(3, LOOP_CLR_FD [pid 5833] close(3 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] chroot("./newroot" [pid 5835] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5830] <... chroot resumed>) = 0 [pid 5830] chdir("/" [pid 5835] close(3 [pid 5830] <... chdir resumed>) = 0 [pid 5835] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] mkdir("/dev/binderfs", 0777 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5834] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5832] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5842 attached [pid 5834] close(3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... openat resumed>) = 3 [pid 5830] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5834] <... close resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] <... mount resumed>) = 0 [pid 5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] set_robust_list(0x5555701f6660, 24 [pid 5832] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5843 attached [pid 5842] <... set_robust_list resumed>) = 0 [pid 5835] <... clone resumed>, child_tidptr=0x5555701f6650) = 2 [pid 5832] close(3 [pid 5830] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL./strace-static-x86_64: Process 5844 attached [pid 5842] chdir("./0" [pid 5834] <... clone resumed>, child_tidptr=0x5555701f6650) = 2 [pid 5832] <... close resumed>) = 0 [pid 5843] set_robust_list(0x5555701f6660, 24 [pid 5842] <... chdir resumed>) = 0 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] set_robust_list(0x5555701f6660, 24 [pid 5830] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5844] <... set_robust_list resumed>) = 0 [pid 5830] mkdir("./0", 0777