./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3429720750 <...> Warning: Permanently added '10.128.0.79' (ED25519) to the list of known hosts. execve("./syz-executor3429720750", ["./syz-executor3429720750"], 0x7ffe6f798690 /* 10 vars */) = 0 brk(NULL) = 0x555555b1f000 brk(0x555555b1fe00) = 0x555555b1fe00 arch_prctl(ARCH_SET_FS, 0x555555b1f480) = 0 set_tid_address(0x555555b1f750) = 5053 set_robust_list(0x555555b1f760, 24) = 0 rseq(0x555555b1fda0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3429720750", 4096) = 28 getrandom("\x53\xb4\x15\x2c\x3c\x9e\x74\x9a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555b1fe00 brk(0x555555b40e00) = 0x555555b40e00 brk(0x555555b41000) = 0x555555b41000 mprotect(0x7fb732a5d000, 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=0x7fb732995aa0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fb73299e030}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fb732995aa0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fb73299e030}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5054 attached [pid 5054] set_robust_list(0x555555b1f760, 24) = 0 [pid 5053] <... clone resumed>, child_tidptr=0x555555b1f750) = 5054 [pid 5054] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5055 attached [pid 5053] <... clone resumed>, child_tidptr=0x555555b1f750) = 5055 [pid 5055] set_robust_list(0x555555b1f760, 24 [pid 5054] close(3 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] <... set_robust_list resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 5055] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5056 attached [pid 5053] <... clone resumed>, child_tidptr=0x555555b1f750) = 5056 [pid 5056] set_robust_list(0x555555b1f760, 24 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] <... set_robust_list resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 ./strace-static-x86_64: Process 5057 attached [pid 5055] <... openat resumed>) = 3 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5053] <... clone resumed>, child_tidptr=0x555555b1f750) = 5057 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5057] set_robust_list(0x555555b1f760, 24./strace-static-x86_64: Process 5059 attached ./strace-static-x86_64: Process 5060 attached [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5055] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5053] <... clone resumed>, child_tidptr=0x555555b1f750) = 5060 [pid 5057] <... set_robust_list resumed>) = 0 [pid 5056] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5055] close(3 [pid 5054] <... clone resumed>, child_tidptr=0x555555b1f750) = 5059 [pid 5053] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] set_robust_list(0x555555b1f760, 24 [pid 5060] set_robust_list(0x555555b1f760, 24 [pid 5057] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5056] close(3) = 0 [pid 5055] <... close resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5061 attached [pid 5059] <... set_robust_list resumed>) = 0 [pid 5060] <... set_robust_list resumed>) = 0 [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] set_robust_list(0x555555b1f760, 24 [pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5060] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5057] <... openat resumed>) = 3 [pid 5053] <... clone resumed>, child_tidptr=0x555555b1f750) = 5061 [pid 5059] <... prctl resumed>) = 0 [pid 5059] setpgid(0, 0) = 0 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5057] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5056] <... clone resumed>, child_tidptr=0x555555b1f750) = 5062 [pid 5059] <... openat resumed>) = 3 [pid 5060] <... openat resumed>) = 3 [pid 5057] close(3) = 0 ./strace-static-x86_64: Process 5063 attached ./strace-static-x86_64: Process 5062 attached [pid 5061] <... set_robust_list resumed>) = 0 [pid 5059] write(3, "1000", 4 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5063] set_robust_list(0x555555b1f760, 24 [pid 5062] set_robust_list(0x555555b1f760, 24 [pid 5059] <... write resumed>) = 4 [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5063] <... set_robust_list resumed>) = 0 [pid 5062] <... set_robust_list resumed>) = 0 [pid 5059] close(3 [pid 5060] close(3 [pid 5055] <... clone resumed>, child_tidptr=0x555555b1f750) = 5063 [pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5059] <... close resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] <... openat resumed>) = 3 [pid 5061] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5057] <... clone resumed>, child_tidptr=0x555555b1f750) = 5064 [pid 5061] close(3) = 0 ./strace-static-x86_64: Process 5064 attached [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] set_robust_list(0x555555b1f760, 24./strace-static-x86_64: Process 5066 attached ) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x555555b1f750) = 5066 [pid 5063] <... prctl resumed>) = 0 [pid 5062] <... prctl resumed>) = 0 [pid 5059] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5063] setpgid(0, 0 [pid 5062] setpgid(0, 0 [pid 5063] <... setpgid resumed>) = 0 [pid 5060] <... clone resumed>, child_tidptr=0x555555b1f750) = 5065 ./strace-static-x86_64: Process 5065 attached [pid 5059] <... openat resumed>) = 3 [pid 5065] set_robust_list(0x555555b1f760, 24 [pid 5066] set_robust_list(0x555555b1f760, 24 [pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] <... setpgid resumed>) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5065] <... set_robust_list resumed>) = 0 [pid 5066] <... set_robust_list resumed>) = 0 [pid 5064] <... prctl resumed>) = 0 [pid 5059] <... openat resumed>) = 4 [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] setpgid(0, 0 [pid 5063] <... openat resumed>) = 3 [pid 5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5059] sendfile(4, 3, [120] [pid 5065] <... prctl resumed>) = 0 [pid 5066] <... prctl resumed>) = 0 [pid 5064] <... setpgid resumed>) = 0 [pid 5063] write(3, "1000", 4 [pid 5062] <... openat resumed>) = 3 [pid 5065] setpgid(0, 0 [pid 5066] setpgid(0, 0 [pid 5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5063] <... write resumed>) = 4 [pid 5065] <... setpgid resumed>) = 0 [pid 5066] <... setpgid resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5063] close(3 [pid 5062] write(3, "1000", 4 [pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] <... write resumed>) = 4 [pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] <... openat resumed>) = 3 [pid 5064] write(3, "1000", 4 [pid 5063] <... close resumed>) = 0 [pid 5062] close(3 [pid 5065] <... openat resumed>) = 3 [pid 5066] write(3, "1000", 4 [pid 5064] <... write resumed>) = 4 [pid 5063] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5062] <... close resumed>) = 0 [pid 5066] <... write resumed>) = 4 [pid 5064] close(3 [pid 5063] <... openat resumed>) = 3 [pid 5062] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5065] write(3, "1000", 4 [pid 5066] close(3 [pid 5064] <... close resumed>) = 0 [pid 5062] <... openat resumed>) = 3 [pid 5063] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5065] <... write resumed>) = 4 [pid 5066] <... close resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5062] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5065] close(3 [pid 5066] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5064] <... openat resumed>) = 3 [pid 5062] <... openat resumed>) = 4 [pid 5065] <... close resumed>) = 0 [pid 5066] <... openat resumed>) = 3 [pid 5064] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5063] <... openat resumed>) = 4 [pid 5062] sendfile(4, 3, [120] [pid 5065] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5066] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5064] <... openat resumed>) = 4 [pid 5063] sendfile(4, 3, [120] [pid 5065] <... openat resumed>) = 3 [pid 5066] <... openat resumed>) = 4 [pid 5064] sendfile(4, 3, [120] [pid 5065] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5066] sendfile(4, 3, [120] [ 66.906989][ T5062] syz-executor342 (5062): drop_caches: 1 [ 66.909909][ T5066] syz-executor342 (5066): drop_caches: 1 [ 66.915397][ T5059] syz-executor342 (5059): drop_caches: 1 [ 66.925370][ T5064] syz-executor342 (5064): drop_caches: 1 [ 66.929775][ T5063] syz-executor342 (5063): drop_caches: 1 [ 66.932409][ T5065] syz-executor342 (5065): drop_caches: 1 [pid 5065] sendfile(4, 3, [120] [pid 5062] <... sendfile resumed> => [640], 571) = 520 [pid 5059] <... sendfile resumed> => [640], 571) = 520 [pid 5062] memfd_create("syzkaller", 0) = 5 [pid 5059] memfd_create("syzkaller", 0 [pid 5062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5059] <... memfd_create resumed>) = 5 [pid 5062] <... mmap resumed>) = 0x7fb72a58c000 [pid 5059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb72a58c000 [ 67.135757][ T5062] syz-executor342 (5062): drop_caches: 1 [ 67.155622][ T5059] syz-executor342 (5059): drop_caches: 1 [pid 5063] <... sendfile resumed> => [640], 571) = 520 [pid 5066] <... sendfile resumed> => [640], 571) = 520 [pid 5065] <... sendfile resumed> => [640], 571) = 520 [pid 5065] memfd_create("syzkaller", 0 [pid 5066] memfd_create("syzkaller", 0 [pid 5065] <... memfd_create resumed>) = 5 [pid 5066] <... memfd_create resumed>) = 5 [pid 5063] memfd_create("syzkaller", 0 [pid 5065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5065] <... mmap resumed>) = 0x7fb72a58c000 [pid 5066] <... mmap resumed>) = 0x7fb72a58c000 [pid 5064] <... sendfile resumed> => [640], 571) = 520 [pid 5063] <... memfd_create resumed>) = 5 [pid 5064] memfd_create("syzkaller", 0 [pid 5063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb72a58c000 [pid 5064] <... memfd_create resumed>) = 5 [pid 5064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5062] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5059] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5064] <... mmap resumed>) = 0x7fb72a58c000 [ 67.199839][ T5066] syz-executor342 (5066): drop_caches: 1 [ 67.200826][ T5064] syz-executor342 (5064): drop_caches: 1 [ 67.214430][ T5063] syz-executor342 (5063): drop_caches: 1 [ 67.222117][ T5065] syz-executor342 (5065): drop_caches: 1 [pid 5066] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5062] <... write resumed>) = 2097152 [pid 5059] <... write resumed>) = 2097152 [pid 5059] munmap(0x7fb72a58c000, 138412032 [pid 5062] munmap(0x7fb72a58c000, 138412032 [pid 5065] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5059] <... munmap resumed>) = 0 [pid 5064] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5062] <... munmap resumed>) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6 [pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5062] ioctl(6, LOOP_SET_FD, 5 [pid 5066] <... write resumed>) = 2097152 [pid 5063] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5062] <... ioctl resumed>) = 0 [pid 5059] <... openat resumed>) = 6 [pid 5066] munmap(0x7fb72a58c000, 138412032 [pid 5062] close(5 [pid 5059] ioctl(6, LOOP_SET_FD, 5 [pid 5062] <... close resumed>) = 0 [pid 5062] mkdir("./file0", 0777 [pid 5066] <... munmap resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6 [ 67.345493][ T5062] loop2: detected capacity change from 0 to 4096 [ 67.378526][ T5059] loop0: detected capacity change from 0 to 4096 [pid 5066] ioctl(6, LOOP_SET_FD, 5 [pid 5065] <... write resumed>) = 2097152 [pid 5064] <... write resumed>) = 2097152 [pid 5059] <... ioctl resumed>) = 0 [pid 5059] close(5) = 0 [pid 5059] mkdir("./file0", 0777 [pid 5066] <... ioctl resumed>) = 0 [pid 5065] munmap(0x7fb72a58c000, 138412032 [pid 5064] munmap(0x7fb72a58c000, 138412032 [pid 5063] <... write resumed>) = 2097152 [pid 5066] close(5) = 0 [pid 5066] mkdir("./file0", 0777 [pid 5063] munmap(0x7fb72a58c000, 138412032 [pid 5064] <... munmap resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] <... munmap resumed>) = 0 [pid 5066] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5063] <... munmap resumed>) = 0 [pid 5062] <... mkdir resumed>) = 0 [pid 5059] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5065] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5066] mount("/dev/loop5", "./file0", "ntfs", 0, "" [pid 5064] <... openat resumed>) = 6 [pid 5063] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5062] mount("/dev/loop2", "./file0", "ntfs", 0, "" [ 67.393312][ T5066] loop5: detected capacity change from 0 to 4096 [pid 5059] mount("/dev/loop0", "./file0", "ntfs", 0, "" [pid 5065] <... openat resumed>) = 6 [pid 5064] ioctl(6, LOOP_SET_FD, 5 [pid 5063] <... openat resumed>) = 6 [pid 5065] ioctl(6, LOOP_SET_FD, 5 [pid 5063] ioctl(6, LOOP_SET_FD, 5 [pid 5064] <... ioctl resumed>) = 0 [pid 5064] close(5) = 0 [pid 5064] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5064] mount("/dev/loop3", "./file0", "ntfs", 0, "" [pid 5065] <... ioctl resumed>) = 0 [pid 5063] <... ioctl resumed>) = 0 [pid 5065] close(5 [pid 5063] close(5 [pid 5065] <... close resumed>) = 0 [pid 5063] <... close resumed>) = 0 [pid 5065] mkdir("./file0", 0777 [pid 5063] mkdir("./file0", 0777 [pid 5065] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5063] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5065] mount("/dev/loop4", "./file0", "ntfs", 0, "" [ 67.439490][ T5063] loop1: detected capacity change from 0 to 4096 [ 67.443380][ T5064] loop3: detected capacity change from 0 to 4096 [ 67.446456][ T5065] loop4: detected capacity change from 0 to 4096 [ 67.474581][ T5062] ntfs: volume version 3.1. [pid 5063] mount("/dev/loop1", "./file0", "ntfs", 0, "" [pid 5062] <... mount resumed>) = 0 [pid 5062] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 5062] chdir("./file0") = 0 [pid 5062] ioctl(6, LOOP_CLR_FD) = 0 [pid 5062] close(6) = 0 [pid 5062] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 6 [pid 5059] <... mount resumed>) = 0 [pid 5062] write(6, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [ 67.491620][ T5059] ntfs: volume version 3.1. [ 67.505824][ T5066] ntfs: volume version 3.1. [ 67.526802][ T5064] ntfs: volume version 3.1. [pid 5059] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 5059] chdir("./file0" [pid 5066] <... mount resumed>) = 0 [pid 5059] <... chdir resumed>) = 0 [pid 5059] ioctl(6, LOOP_CLR_FD [pid 5066] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5064] <... mount resumed>) = 0 [pid 5059] <... ioctl resumed>) = 0 [pid 5066] <... openat resumed>) = 5 [pid 5064] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5059] close(6 [pid 5064] <... openat resumed>) = 5 [pid 5059] <... close resumed>) = 0 [pid 5064] chdir("./file0" [pid 5059] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 5064] <... chdir resumed>) = 0 [ 67.538004][ T5063] ntfs: volume version 3.1. [pid 5064] ioctl(6, LOOP_CLR_FD) = 0 [pid 5066] chdir("./file0" [pid 5059] <... openat resumed>) = 6 [pid 5066] <... chdir resumed>) = 0 [pid 5059] write(6, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5066] ioctl(6, LOOP_CLR_FD [pid 5064] close(6 [pid 5066] <... ioctl resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5066] close(6 [pid 5064] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 5066] <... close resumed>) = 0 [pid 5066] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 6 [pid 5064] <... openat resumed>) = 6 [pid 5066] write(6, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5064] write(6, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5063] <... mount resumed>) = 0 [pid 5063] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 5063] chdir("./file0") = 0 [pid 5063] ioctl(6, LOOP_CLR_FD) = 0 [pid 5063] close(6) = 0 [ 67.564723][ T5065] ntfs: volume version 3.1. [pid 5063] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 6 [pid 5063] write(6, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5065] <... mount resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 5065] chdir("./file0") = 0 [pid 5065] ioctl(6, LOOP_CLR_FD) = 0 [pid 5065] close(6) = 0 [pid 5065] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 6 [pid 5065] write(6, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5062] <... write resumed>) = 1048064 [pid 5062] exit_group(0) = ? [pid 5062] +++ exited with 0 +++ [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5062, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=26 /* 0.26 s */} --- [pid 5056] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD) = 0 [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5070 attached , child_tidptr=0x555555b1f750) = 5070 [pid 5070] set_robust_list(0x555555b1f760, 24) = 0 [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] setpgid(0, 0) = 0 [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] <... write resumed>) = 1048064 [pid 5070] write(3, "1000", 4 [pid 5059] exit_group(0 [pid 5070] <... write resumed>) = 4 [pid 5059] <... exit_group resumed>) = ? [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5059] +++ exited with 0 +++ [pid 5070] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5059, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5070] <... openat resumed>) = 4 [pid 5070] sendfile(4, 3, [120] [pid 5066] <... write resumed>) = 1048064 [pid 5064] <... write resumed>) = 1048064 [pid 5063] <... write resumed>) = 1048064 [pid 5054] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5066] exit_group(0 [pid 5064] exit_group(0 [pid 5063] exit_group(0 [pid 5054] <... openat resumed>) = 3 [pid 5065] <... write resumed>) = 1048064 [pid 5066] <... exit_group resumed>) = ? [pid 5064] <... exit_group resumed>) = ? [pid 5063] <... exit_group resumed>) = ? [pid 5054] ioctl(3, LOOP_CLR_FD [pid 5065] exit_group(0 [pid 5054] <... ioctl resumed>) = 0 [pid 5065] <... exit_group resumed>) = ? [pid 5054] close(3 [pid 5066] +++ exited with 0 +++ [pid 5064] +++ exited with 0 +++ [pid 5054] <... close resumed>) = 0 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5066, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5064, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=31 /* 0.31 s */} --- [pid 5065] +++ exited with 0 +++ [pid 5063] +++ exited with 0 +++ [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5057] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5057] ioctl(3, LOOP_CLR_FD) = 0 [pid 5057] close(3) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5061] ioctl(3, LOOP_CLR_FD) = 0 [pid 5061] close(3) = 0 ./strace-static-x86_64: Process 5071 attached [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] set_robust_list(0x555555b1f760, 24) = 0 [pid 5057] <... clone resumed>, child_tidptr=0x555555b1f750) = 5071 [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5065, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=36 /* 0.36 s */} --- [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5063, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=32 /* 0.32 s */} --- [pid 5071] setpgid(0, 0) = 0 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5073 attached [pid 5061] <... clone resumed>, child_tidptr=0x555555b1f750) = 5073 [pid 5055] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5054] <... clone resumed>, child_tidptr=0x555555b1f750) = 5072 ./strace-static-x86_64: Process 5072 attached [pid 5073] set_robust_list(0x555555b1f760, 24 [pid 5071] <... openat resumed>) = 3 [pid 5072] set_robust_list(0x555555b1f760, 24 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5072] <... set_robust_list resumed>) = 0 [pid 5055] <... openat resumed>) = 3 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] write(3, "1000", 4 [pid 5073] <... prctl resumed>) = 0 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... write resumed>) = 4 [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5073] setpgid(0, 0 [pid 5072] <... prctl resumed>) = 0 [pid 5071] close(3 [pid 5073] <... setpgid resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] setpgid(0, 0 [pid 5071] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5055] <... ioctl resumed>) = 0 [pid 5072] <... setpgid resumed>) = 0 [pid 5060] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5055] close(3 [pid 5073] <... openat resumed>) = 3 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... openat resumed>) = 3 [pid 5060] <... openat resumed>) = 3 [pid 5055] <... close resumed>) = 0 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] write(3, "1000", 4 [pid 5072] <... openat resumed>) = 3 [pid 5071] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5060] <... ioctl resumed>) = 0 [pid 5073] <... write resumed>) = 4 [pid 5071] <... openat resumed>) = 4 [pid 5073] close(3) = 0 ./strace-static-x86_64: Process 5074 attached [pid 5073] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5072] write(3, "1000", 4 [pid 5071] sendfile(4, 3, [120] [pid 5060] close(3 [pid 5074] set_robust_list(0x555555b1f760, 24 [pid 5072] <... write resumed>) = 4 [pid 5060] <... close resumed>) = 0 [pid 5074] <... set_robust_list resumed>) = 0 [pid 5072] close(3 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] <... clone resumed>, child_tidptr=0x555555b1f750) = 5074 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] <... openat resumed>) = 3 [pid 5073] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5072] <... close resumed>) = 0 [pid 5074] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5075 attached [pid 5072] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5074] setpgid(0, 0 [pid 5073] sendfile(4, 3, [120] [pid 5072] <... openat resumed>) = 3 [pid 5075] set_robust_list(0x555555b1f760, 24 [pid 5074] <... setpgid resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5075] <... set_robust_list resumed>) = 0 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] setpgid(0, 0) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5060] <... clone resumed>, child_tidptr=0x555555b1f750) = 5075 [pid 5075] <... openat resumed>) = 3 [pid 5072] <... openat resumed>) = 4 [pid 5075] write(3, "1000", 4 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] sendfile(4, 3, [120] [pid 5075] <... write resumed>) = 4 [pid 5075] close(3) = 0 [pid 5075] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5075] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5075] sendfile(4, 3, [120] [pid 5074] <... openat resumed>) = 3 [pid 5074] write(3, "1000", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5074] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [ 68.447776][ T5075] syz-executor342 (5075): drop_caches: 1 [ 68.448096][ T5071] syz-executor342 (5071): drop_caches: 1 [ 68.455554][ T5070] syz-executor342 (5070): drop_caches: 1 [ 68.460482][ T5072] syz-executor342 (5072): drop_caches: 1 [ 68.467028][ T5074] syz-executor342 (5074): drop_caches: 1 [ 68.472184][ T5073] syz-executor342 (5073): drop_caches: 1 [pid 5074] sendfile(4, 3, [120] [pid 5075] <... sendfile resumed> => [691], 571) = 571 [pid 5075] memfd_create("syzkaller", 0 [pid 5074] <... sendfile resumed> => [691], 571) = 571 [pid 5070] <... sendfile resumed> => [691], 571) = 571 [pid 5075] <... memfd_create resumed>) = 5 [pid 5074] memfd_create("syzkaller", 0 [pid 5073] <... sendfile resumed> => [691], 571) = 571 [pid 5072] <... sendfile resumed> => [691], 571) = 571 [pid 5070] memfd_create("syzkaller", 0 [pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... sendfile resumed> => [691], 571) = 571 [pid 5075] <... mmap resumed>) = 0x7fb72a58c000 [pid 5071] memfd_create("syzkaller", 0 [pid 5070] <... memfd_create resumed>) = 5 [pid 5071] <... memfd_create resumed>) = 5 [pid 5074] <... memfd_create resumed>) = 5 [pid 5073] memfd_create("syzkaller", 0 [pid 5072] memfd_create("syzkaller", 0 [pid 5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5073] <... memfd_create resumed>) = 5 [pid 5072] <... memfd_create resumed>) = 5 [pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... mmap resumed>) = 0x7fb72a58c000 [pid 5074] <... mmap resumed>) = 0x7fb72a58c000 [ 68.752247][ T5070] syz-executor342 (5070): drop_caches: 1 [ 68.761568][ T5075] syz-executor342 (5075): drop_caches: 1 [ 68.767886][ T5074] syz-executor342 (5074): drop_caches: 1 [ 68.782843][ T5072] syz-executor342 (5072): drop_caches: 1 [ 68.783078][ T5073] syz-executor342 (5073): drop_caches: 1 [ 68.792927][ T5071] syz-executor342 (5071): drop_caches: 1 [pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb72a58c000 [pid 5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5071] <... mmap resumed>) = 0x7fb72a58c000 [pid 5075] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5072] <... mmap resumed>) = 0x7fb72a58c000 [pid 5070] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5075] <... write resumed>) = 2097152 [pid 5075] munmap(0x7fb72a58c000, 138412032 [pid 5073] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5071] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5070] <... write resumed>) = 2097152 [pid 5075] <... munmap resumed>) = 0 [pid 5074] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5075] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5070] munmap(0x7fb72a58c000, 138412032 [pid 5075] <... openat resumed>) = 6 [pid 5072] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5070] <... munmap resumed>) = 0 [pid 5075] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5075] ioctl(6, LOOP_CLR_FD) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5075] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5075] close(6) = 0 [pid 5075] close(5 [pid 5074] <... write resumed>) = 2097152 [pid 5072] <... write resumed>) = 2097152 [pid 5070] <... openat resumed>) = 6 [pid 5074] munmap(0x7fb72a58c000, 138412032 [pid 5073] <... write resumed>) = 2097152 [pid 5072] munmap(0x7fb72a58c000, 138412032 [pid 5070] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5070] ioctl(6, LOOP_CLR_FD) = 0 [pid 5075] <... close resumed>) = 0 [pid 5072] <... munmap resumed>) = 0 [pid 5070] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5070] close(6) = 0 [pid 5074] <... munmap resumed>) = 0 [pid 5070] close(5 [pid 5074] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5073] munmap(0x7fb72a58c000, 138412032 [pid 5072] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] <... write resumed>) = 2097152 [pid 5074] <... openat resumed>) = 6 [pid 5072] <... openat resumed>) = 6 [pid 5074] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5074] ioctl(6, LOOP_CLR_FD) = 0 [pid 5072] ioctl(6, LOOP_SET_FD, 5 [pid 5071] munmap(0x7fb72a58c000, 138412032 [pid 5073] <... munmap resumed>) = 0 [pid 5072] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5070] <... close resumed>) = 0 [pid 5072] ioctl(6, LOOP_CLR_FD) = 0 [pid 5075] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 5072] ioctl(6, LOOP_SET_FD, 5 [pid 5073] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5074] ioctl(6, LOOP_SET_FD, 5 [pid 5072] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5073] <... openat resumed>) = 6 [pid 5074] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5073] ioctl(6, LOOP_SET_FD, 5 [pid 5072] close(6 [pid 5074] close(6 [pid 5073] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5072] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5073] ioctl(6, LOOP_CLR_FD [pid 5072] close(5 [pid 5074] close(5 [pid 5073] <... ioctl resumed>) = 0 [pid 5073] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5073] close(6) = 0 [pid 5073] close(5 [pid 5071] <... munmap resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6 [pid 5075] <... openat resumed>) = 5 [pid 5071] ioctl(6, LOOP_SET_FD, 5 [pid 5075] write(5, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5070] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5 [pid 5071] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5071] ioctl(6, LOOP_CLR_FD) = 0 [pid 5070] write(5, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5071] ioctl(6, LOOP_SET_FD, 5 [pid 5073] <... close resumed>) = 0 [pid 5071] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5071] close(6 [pid 5072] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5071] close(5 [pid 5074] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 5073] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 5072] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 5071] <... close resumed>) = 0 [pid 5071] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 5074] <... openat resumed>) = 5 [pid 5073] <... openat resumed>) = 5 [pid 5072] <... openat resumed>) = 5 [pid 5071] <... openat resumed>) = 5 [pid 5074] write(5, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5073] write(5, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5072] write(5, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5071] write(5, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5070] <... write resumed>) = 1048064 [pid 5070] exit_group(0) = ? [pid 5075] <... write resumed>) = 1048064 [pid 5075] exit_group(0) = ? [pid 5075] +++ exited with 0 +++ [pid 5070] +++ exited with 0 +++ [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5060] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=29 /* 0.29 s */} --- [pid 5056] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD [pid 5060] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5056] <... ioctl resumed>) = 0 [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] <... openat resumed>) = 3 [pid 5056] <... clone resumed>, child_tidptr=0x555555b1f750) = 5076 [pid 5060] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5076 attached [pid 5076] set_robust_list(0x555555b1f760, 24 [pid 5060] <... ioctl resumed>) = 0 [pid 5060] close(3 [pid 5076] <... set_robust_list resumed>) = 0 [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] <... write resumed>) = 1048064 [pid 5060] <... close resumed>) = 0 [pid 5073] <... write resumed>) = 1048064 [pid 5076] <... prctl resumed>) = 0 [pid 5074] exit_group(0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] setpgid(0, 0 [pid 5073] exit_group(0 [pid 5076] <... setpgid resumed>) = 0 [pid 5074] <... exit_group resumed>) = ? [pid 5073] <... exit_group resumed>) = ? [pid 5073] +++ exited with 0 +++ [pid 5060] <... clone resumed>, child_tidptr=0x555555b1f750) = 5077 ./strace-static-x86_64: Process 5077 attached [pid 5074] +++ exited with 0 +++ [pid 5077] set_robust_list(0x555555b1f760, 24 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5077] <... set_robust_list resumed>) = 0 [pid 5071] <... write resumed>) = 1048064 [pid 5061] restart_syscall(<... resuming interrupted clone ...> [pid 5076] <... openat resumed>) = 3 [pid 5071] exit_group(0 [pid 5061] <... restart_syscall resumed>) = 0 [pid 5076] write(3, "1000", 4 [pid 5071] <... exit_group resumed>) = ? [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] <... write resumed>) = 4 [pid 5071] +++ exited with 0 +++ [pid 5077] <... prctl resumed>) = 0 [pid 5076] close(3 [pid 5061] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=29 /* 0.29 s */} --- [pid 5077] setpgid(0, 0 [pid 5076] <... close resumed>) = 0 [pid 5072] <... write resumed>) = 1048064 [pid 5061] <... openat resumed>) = 3 [pid 5077] <... setpgid resumed>) = 0 [pid 5076] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5072] exit_group(0 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5055] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] <... exit_group resumed>) = ? [pid 5061] <... ioctl resumed>) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5055] <... openat resumed>) = 3 [pid 5077] <... openat resumed>) = 3 [pid 5057] <... openat resumed>) = 3 [pid 5057] ioctl(3, LOOP_CLR_FD [pid 5055] ioctl(3, LOOP_CLR_FD [pid 5076] <... openat resumed>) = 3 [pid 5061] close(3 [pid 5057] <... ioctl resumed>) = 0 [pid 5055] <... ioctl resumed>) = 0 [pid 5076] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5061] <... close resumed>) = 0 [pid 5057] close(3 [pid 5055] close(3 [pid 5076] <... openat resumed>) = 4 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5057] <... close resumed>) = 0 [pid 5055] <... close resumed>) = 0 [pid 5077] write(3, "1000", 4 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] <... write resumed>) = 4 [pid 5077] close(3) = 0 [pid 5076] sendfile(4, 3, [120] [pid 5077] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5077] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY./strace-static-x86_64: Process 5078 attached ./strace-static-x86_64: Process 5079 attached ) = 4 [pid 5072] +++ exited with 0 +++ [pid 5055] <... clone resumed>, child_tidptr=0x555555b1f750) = 5079 [pid 5079] set_robust_list(0x555555b1f760, 24 [pid 5077] sendfile(4, 3, [120] [pid 5057] <... clone resumed>, child_tidptr=0x555555b1f750) = 5078 ./strace-static-x86_64: Process 5080 attached [pid 5078] set_robust_list(0x555555b1f760, 24 [pid 5079] <... set_robust_list resumed>) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x555555b1f750) = 5080 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5054] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5054] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5054] ioctl(3, LOOP_CLR_FD) = 0 [pid 5054] close(3 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] <... close resumed>) = 0 [pid 5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5081 attached [pid 5080] set_robust_list(0x555555b1f760, 24 [pid 5078] <... set_robust_list resumed>) = 0 [pid 5079] <... prctl resumed>) = 0 [pid 5054] <... clone resumed>, child_tidptr=0x555555b1f750) = 5081 [pid 5081] set_robust_list(0x555555b1f760, 24 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] setpgid(0, 0 [pid 5081] <... set_robust_list resumed>) = 0 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... prctl resumed>) = 0 [pid 5079] <... setpgid resumed>) = 0 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] setpgid(0, 0 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5081] <... prctl resumed>) = 0 [pid 5080] <... prctl resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5081] setpgid(0, 0 [pid 5079] write(3, "1000", 4 [pid 5081] <... setpgid resumed>) = 0 [pid 5080] setpgid(0, 0 [pid 5078] <... setpgid resumed>) = 0 [pid 5079] <... write resumed>) = 4 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... setpgid resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] close(3 [pid 5081] <... openat resumed>) = 3 [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] <... openat resumed>) = 3 [pid 5079] <... close resumed>) = 0 [pid 5081] write(3, "1000", 4 [pid 5080] <... openat resumed>) = 3 [pid 5078] write(3, "1000", 4 [pid 5079] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5081] <... write resumed>) = 4 [pid 5080] write(3, "1000", 4 [pid 5078] <... write resumed>) = 4 [pid 5079] <... openat resumed>) = 3 [pid 5081] close(3 [pid 5080] <... write resumed>) = 4 [pid 5078] close(3 [pid 5079] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5081] <... close resumed>) = 0 [pid 5080] close(3 [pid 5078] <... close resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5081] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5080] <... close resumed>) = 0 [pid 5079] sendfile(4, 3, [120] [pid 5081] <... openat resumed>) = 3 [pid 5080] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5078] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5081] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5080] <... openat resumed>) = 3 [pid 5081] <... openat resumed>) = 4 [pid 5081] sendfile(4, 3, [120] [pid 5080] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5078] <... openat resumed>) = 3 [pid 5080] <... openat resumed>) = 4 [pid 5078] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5080] sendfile(4, 3, [120] [pid 5078] <... openat resumed>) = 4 [ 69.716698][ T5076] syz-executor342 (5076): drop_caches: 1 [ 69.730030][ T5077] syz-executor342 (5077): drop_caches: 1 [ 69.757089][ T5081] syz-executor342 (5081): drop_caches: 1 [ 69.758104][ T5079] syz-executor342 (5079): drop_caches: 1 [ 69.797035][ T5078] syz-executor342 (5078): drop_caches: 1 [ 69.805413][ T5080] syz-executor342 (5080): drop_caches: 1 [pid 5078] sendfile(4, 3, [120] [pid 5076] <... sendfile resumed> => [691], 571) = 571 [ 70.019340][ T5076] syz-executor342 (5076): drop_caches: 1 [pid 5076] memfd_create("syzkaller", 0) = 5 [pid 5078] <... sendfile resumed> => [691], 571) = 571 [pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] <... sendfile resumed> => [691], 571) = 571 [pid 5076] <... mmap resumed>) = 0x7fb72a58c000 [pid 5078] memfd_create("syzkaller", 0) = 5 [pid 5079] memfd_create("syzkaller", 0 [pid 5078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5079] <... memfd_create resumed>) = 5 [pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5078] <... mmap resumed>) = 0x7fb72a58c000 [pid 5079] <... mmap resumed>) = 0x7fb72a58c000 [ 70.068668][ T5079] syz-executor342 (5079): drop_caches: 1 [ 70.077135][ T5078] syz-executor342 (5078): drop_caches: 1 [ 70.092819][ T5077] syz-executor342 (5077): drop_caches: 1 [ 70.101439][ T5081] syz-executor342 (5081): drop_caches: 1 [pid 5077] <... sendfile resumed> => [691], 571) = 571 [pid 5081] <... sendfile resumed> => [691], 571) = 571 [pid 5080] <... sendfile resumed> => [691], 571) = 571 [pid 5080] memfd_create("syzkaller", 0 [pid 5081] memfd_create("syzkaller", 0) = 5 [pid 5077] memfd_create("syzkaller", 0 [pid 5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5080] <... memfd_create resumed>) = 5 [pid 5077] <... memfd_create resumed>) = 5 [pid 5081] <... mmap resumed>) = 0x7fb72a58c000 [pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5077] <... mmap resumed>) = 0x7fb72a58c000 [pid 5080] <... mmap resumed>) = 0x7fb72a58c000 [ 70.123101][ T5080] syz-executor342 (5080): drop_caches: 1 [pid 5076] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5078] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5081] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5079] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5076] <... write resumed>) = 2097152 [pid 5080] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5076] munmap(0x7fb72a58c000, 138412032 [pid 5077] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5076] <... munmap resumed>) = 0 [pid 5078] <... write resumed>) = 2097152 [pid 5078] munmap(0x7fb72a58c000, 138412032 [pid 5076] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6 [pid 5076] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5076] ioctl(6, LOOP_CLR_FD) = 0 [pid 5078] <... munmap resumed>) = 0 [pid 5081] <... write resumed>) = 2097152 [pid 5078] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5081] munmap(0x7fb72a58c000, 138412032 [pid 5079] <... write resumed>) = 2097152 [pid 5076] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5081] <... munmap resumed>) = 0 [pid 5078] <... openat resumed>) = 6 [pid 5076] close(6 [pid 5081] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5078] ioctl(6, LOOP_SET_FD, 5 [pid 5076] <... close resumed>) = 0 [pid 5079] munmap(0x7fb72a58c000, 138412032 [pid 5081] <... openat resumed>) = 6 [pid 5078] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5079] <... munmap resumed>) = 0 [pid 5076] close(5 [pid 5081] ioctl(6, LOOP_SET_FD, 5 [pid 5078] ioctl(6, LOOP_CLR_FD [pid 5081] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5078] <... ioctl resumed>) = 0 [pid 5081] ioctl(6, LOOP_CLR_FD) = 0 [pid 5078] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5081] ioctl(6, LOOP_SET_FD, 5 [pid 5078] close(6 [pid 5081] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5080] <... write resumed>) = 2097152 [pid 5078] <... close resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5078] close(5 [pid 5079] <... openat resumed>) = 6 [pid 5079] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5079] ioctl(6, LOOP_CLR_FD) = 0 [pid 5080] munmap(0x7fb72a58c000, 138412032 [pid 5081] close(6 [pid 5078] <... close resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5079] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5079] close(6) = 0 [pid 5077] <... write resumed>) = 2097152 [pid 5078] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 5077] munmap(0x7fb72a58c000, 138412032 [pid 5081] <... close resumed>) = 0 [pid 5080] <... munmap resumed>) = 0 [pid 5079] close(5 [pid 5077] <... munmap resumed>) = 0 [pid 5076] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 5081] close(5 [pid 5077] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6 [pid 5077] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5080] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6 [pid 5080] ioctl(6, LOOP_SET_FD, 5 [pid 5077] ioctl(6, LOOP_CLR_FD [pid 5080] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5080] ioctl(6, LOOP_CLR_FD) = 0 [pid 5077] <... ioctl resumed>) = 0 [pid 5077] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5077] close(6 [pid 5080] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5080] close(6) = 0 [pid 5077] <... close resumed>) = 0 [pid 5081] <... close resumed>) = 0 [pid 5080] close(5 [pid 5079] <... close resumed>) = 0 [pid 5077] close(5 [pid 5081] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5 [pid 5078] <... openat resumed>) = 5 [pid 5079] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 5076] <... openat resumed>) = 5 [pid 5077] <... close resumed>) = 0 [pid 5077] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000 [pid 5078] write(5, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5081] write(5, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5077] <... openat resumed>) = 5 [pid 5076] write(5, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5080] <... close resumed>) = 0 [pid 5077] write(5, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5080] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5 [pid 5079] <... openat resumed>) = 5 [pid 5079] write(5, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5080] write(5, "\x74\xef\xc4\xc4\x19\xfd\xb8\xd6\x6b\x12\xa7\xbb\xf3\x71\xd0\x56\xad\x6f\x01\xe9\x76\x2d\x70\x40\x1d\x1c\x9d\x33\x1b\x48\xb9\x25\xe9\xe6\xa7\x75\x9a\xbb\x20\x6b\x9b\x18\xbf\xc3\xf3\xf9\x6a\xdb\x2b\x37\xc2\x12\x1e\xf2\x1e\x91\xba\xc7\x68\xdd\x33\xdf\x29\x64\x9d\xa1\xd8\x2e\x82\x6a\x55\xc4\xd6\x20\xb6\xf5\x10\xda\xee\x26\x00\x4b\x74\x1c\x95\x1d\x52\x8d\x80\x6e\xfb\xe0\x0c\x43\x9f\x2d\xf4\x6d\x3a\xdf"..., 1048064 [pid 5078] <... write resumed>) = 1048064 [pid 5076] <... write resumed>) = 1048064 [pid 5076] exit_group(0) = ? [pid 5076] +++ exited with 0 +++ [pid 5078] exit_group(0 [pid 5056] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=27 /* 0.27 s */} --- [pid 5078] <... exit_group resumed>) = ? [pid 5056] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5056] ioctl(3, LOOP_CLR_FD) = 0 [pid 5056] close(3) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555b1f750) = 5082 ./strace-static-x86_64: Process 5082 attached [pid 5078] +++ exited with 0 +++ [pid 5082] set_robust_list(0x555555b1f760, 24) = 0 [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5057] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5082] <... prctl resumed>) = 0 [pid 5057] <... openat resumed>) = 3 [pid 5082] setpgid(0, 0 [pid 5057] ioctl(3, LOOP_CLR_FD) = 0 [pid 5057] close(3) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5083 attached [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] set_robust_list(0x555555b1f760, 24) = 0 [ 70.515240][ T5078] syz-executor342 (5078) used greatest stack depth: 18776 bytes left [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5057] <... clone resumed>, child_tidptr=0x555555b1f750) = 5083 [pid 5083] <... prctl resumed>) = 0 [pid 5082] <... openat resumed>) = 3 [pid 5081] <... write resumed>) = 1048064 [pid 5079] <... write resumed>) = 1048064 [pid 5077] <... write resumed>) = 1048064 [pid 5083] setpgid(0, 0 [pid 5079] exit_group(0 [pid 5077] exit_group(0 [pid 5083] <... setpgid resumed>) = 0 [pid 5079] <... exit_group resumed>) = ? [pid 5077] <... exit_group resumed>) = ? [pid 5082] write(3, "1000", 4 [pid 5081] exit_group(0 [pid 5079] +++ exited with 0 +++ [pid 5077] +++ exited with 0 +++ [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5082] <... write resumed>) = 4 [pid 5081] <... exit_group resumed>) = ? [pid 5083] <... openat resumed>) = 3 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=30 /* 0.30 s */} --- [pid 5060] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5083] write(3, "1000", 4) = 4 [pid 5083] close(3 [pid 5060] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5083] <... close resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5083] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5081] +++ exited with 0 +++ [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=34 /* 0.34 s */} --- [pid 5082] close(3 [pid 5083] <... openat resumed>) = 3 [pid 5060] <... ioctl resumed>) = 0 [pid 5054] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5082] <... close resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5060] close(3 [pid 5082] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5083] <... openat resumed>) = 4 [pid 5060] <... close resumed>) = 0 [pid 5083] sendfile(4, 3, [120] [pid 5082] <... openat resumed>) = 3 [pid 5080] <... write resumed>) = 1048064 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5054] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5085 attached