./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3694336627

<...>
Warning: Permanently added '10.128.0.155' (ED25519) to the list of known hosts.
execve("./syz-executor3694336627", ["./syz-executor3694336627"], 0x7ffedde853c0 /* 10 vars */) = 0
brk(NULL)                               = 0x55555d9bc000
brk(0x55555d9bcd00)                     = 0x55555d9bcd00
arch_prctl(ARCH_SET_FS, 0x55555d9bc380) = 0
set_tid_address(0x55555d9bc650)         = 5830
set_robust_list(0x55555d9bc660, 24)     = 0
rseq(0x55555d9bcca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3694336627", 4096) = 28
getrandom("\xbf\xc8\xf3\x7b\xb7\x1a\xeb\x1c", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55555d9bcd00
brk(0x55555d9ddd00)                     = 0x55555d9ddd00
brk(0x55555d9de000)                     = 0x55555d9de000
mprotect(0x7fece6e6c000, 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 5831 attached
 <unfinished ...>
[pid  5831] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5830] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5831
[pid  5831] <... set_robust_list resumed>) = 0
[pid  5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
./strace-static-x86_64: Process 5832 attached
[pid  5830] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5832
[pid  5831] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5832] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5831] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5832] <... set_robust_list resumed>) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5831] close(3)                    = 0
./strace-static-x86_64: Process 5833 attached
[pid  5832] <... openat resumed>)       = 3
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5833] set_robust_list(0x55555d9bc660, 24) = 0
./strace-static-x86_64: Process 5835 attached
[pid  5830] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5833
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5832] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5835] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5832] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5831] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5835
[pid  5832] close(3 <unfinished ...>
[pid  5835] <... set_robust_list resumed>) = 0
[pid  5833] <... openat resumed>)       = 3
[pid  5832] <... close resumed>)        = 0
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5836 attached
 <unfinished ...>
[pid  5835] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5837
./strace-static-x86_64: Process 5837 attached
[pid  5836] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5835] <... prctl resumed>)        = 0
[pid  5836] <... set_robust_list resumed>) = 0
[pid  5835] setpgid(0, 0 <unfinished ...>
[pid  5833] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5830] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5836
[pid  5833] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5833] close(3 <unfinished ...>
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5835] <... setpgid resumed>)      = 0
[pid  5833] <... close resumed>)        = 0
[pid  5837] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached
 <unfinished ...>
[pid  5837] <... set_robust_list resumed>) = 0
[pid  5836] <... openat resumed>)       = 3
[pid  5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5838] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5837] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5836] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5835] <... openat resumed>)       = 3
[pid  5830] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5838
[pid  5838] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5839 attached
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5837] <... prctl resumed>)        = 0
[pid  5836] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5835] write(3, "1000", 4 <unfinished ...>
[pid  5839] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5837] setpgid(0, 0 <unfinished ...>
[pid  5836] close(3 <unfinished ...>
[pid  5835] <... write resumed>)        = 4
[pid  5833] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5839
[pid  5839] <... set_robust_list resumed>) = 0
[pid  5837] <... setpgid resumed>)      = 0
[pid  5836] <... close resumed>)        = 0
[pid  5835] close(3 <unfinished ...>
[pid  5839] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5835] <... close resumed>)        = 0
[pid  5839] <... prctl resumed>)        = 0
[pid  5838] <... openat resumed>)       = 3
[pid  5837] <... openat resumed>)       = 3
[pid  5835] write(1, "executing program\n", 18./strace-static-x86_64: Process 5840 attached
 <unfinished ...>
[pid  5838] ioctl(3, LOOP_CLR_FDexecuting program
 <unfinished ...>
[pid  5840] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5839] setpgid(0, 0 <unfinished ...>
[pid  5838] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5837] write(3, "1000", 4 <unfinished ...>
[pid  5835] <... write resumed>)        = 18
[pid  5840] <... set_robust_list resumed>) = 0
[pid  5838] close(3 <unfinished ...>
[pid  5840] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5838] <... close resumed>)        = 0
[pid  5837] <... write resumed>)        = 4
[pid  5835] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5840] <... prctl resumed>)        = 0
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5837] close(3 <unfinished ...>
[pid  5839] <... setpgid resumed>)      = 0
[pid  5837] <... close resumed>)        = 0
[pid  5835] <... memfd_create resumed>) = 3
executing program
./strace-static-x86_64: Process 5841 attached
[pid  5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5837] write(1, "executing program\n", 18 <unfinished ...>
[pid  5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5839] <... openat resumed>)       = 3
[pid  5837] <... write resumed>)        = 18
[pid  5836] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5840
[pid  5835] <... mmap resumed>)         = 0x7fecde800000
[pid  5837] memfd_create("syzkaller", 0executing program
 <unfinished ...>
[pid  5840] setpgid(0, 0 <unfinished ...>
[pid  5841] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5839] write(3, "1000", 4 <unfinished ...>
[pid  5838] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5841
[pid  5837] <... memfd_create resumed>) = 3
[pid  5841] <... set_robust_list resumed>) = 0
[pid  5840] <... setpgid resumed>)      = 0
[pid  5839] <... write resumed>)        = 4
[pid  5839] close(3 <unfinished ...>
[pid  5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5839] <... close resumed>)        = 0
[pid  5841] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5840] <... openat resumed>)       = 3
[pid  5839] write(1, "executing program\n", 18 <unfinished ...>
[pid  5837] <... mmap resumed>)         = 0x7fecde800000
[pid  5841] <... prctl resumed>)        = 0
[pid  5840] write(3, "1000", 4 <unfinished ...>
[pid  5839] <... write resumed>)        = 18
[pid  5841] setpgid(0, 0 <unfinished ...>
[pid  5840] <... write resumed>)        = 4
[pid  5841] <... setpgid resumed>)      = 0
[pid  5840] close(3executing program
 <unfinished ...>
[pid  5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5840] <... close resumed>)        = 0
[pid  5840] write(1, "executing program\n", 18) = 18
[pid  5839] memfd_create("syzkaller", 0) = 3
[pid  5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5841] <... openat resumed>)       = 3
[pid  5840] memfd_create("syzkaller", 0) = 3
[pid  5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5841] write(3, "1000", 4 <unfinished ...>
[pid  5840] <... mmap resumed>)         = 0x7fecde800000
[pid  5841] <... write resumed>)        = 4
[pid  5841] close(3)                    = 0
[pid  5841] write(1, "executing program\n", 18executing program
) = 18
[pid  5841] memfd_create("syzkaller", 0) = 3
[pid  5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5835] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5840] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5839] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5837] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5841] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5835] <... write resumed>)        = 16777216
[pid  5839] <... write resumed>)        = 16777216
[pid  5837] <... write resumed>)        = 16777216
[pid  5840] <... write resumed>)        = 16777216
[pid  5839] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5835] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5837] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5840] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5837] <... munmap resumed>)       = 0
[pid  5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4
[pid  5837] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5839] <... munmap resumed>)       = 0
[pid  5840] <... munmap resumed>)       = 0
[pid  5841] <... write resumed>)        = 16777216
[pid  5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5840] <... openat resumed>)       = 4
[pid  5839] <... openat resumed>)       = 4
[pid  5841] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5840] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5837] <... ioctl resumed>)        = 0
[pid  5835] <... munmap resumed>)       = 0
[pid  5841] <... munmap resumed>)       = 0
[pid  5839] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5837] close(3 <unfinished ...>
[pid  5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5837] <... close resumed>)        = 0
[pid  5835] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5839] <... ioctl resumed>)        = 0
[pid  5837] close(4 <unfinished ...>
[pid  5841] <... openat resumed>)       = 4
[pid  5837] <... close resumed>)        = 0
[pid  5837] mkdir("./file1", 0777)      = 0
[pid  5841] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5840] <... ioctl resumed>)        = 0
[pid  5839] close(3 <unfinished ...>
[pid  5835] <... ioctl resumed>)        = 0
[pid  5839] <... close resumed>)        = 0
[   63.143843][ T5837] loop1: detected capacity change from 0 to 32768
[   63.170098][ T5839] loop2: detected capacity change from 0 to 32768
[   63.171227][ T5835] loop0: detected capacity change from 0 to 32768
[   63.177088][ T5840] loop3: detected capacity change from 0 to 32768
[pid  5839] close(4 <unfinished ...>
[pid  5840] close(3 <unfinished ...>
[pid  5839] <... close resumed>)        = 0
[pid  5835] close(3 <unfinished ...>
[pid  5839] mkdir("./file1", 0777 <unfinished ...>
[pid  5840] <... close resumed>)        = 0
[pid  5835] <... close resumed>)        = 0
[pid  5840] close(4 <unfinished ...>
[pid  5839] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5835] close(4 <unfinished ...>
[pid  5840] <... close resumed>)        = 0
[pid  5835] <... close resumed>)        = 0
[pid  5839] mount("/dev/loop2", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,nointr,atime_quantum=00000000000000000007,localflocks,data=writeback,localflocks,intr,heartbeat="... <unfinished ...>
[pid  5835] mkdir("./file1", 0777 <unfinished ...>
[pid  5837] mount("/dev/loop1", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,nointr,atime_quantum=00000000000000000007,localflocks,data=writeback,localflocks,intr,heartbeat="... <unfinished ...>
[pid  5841] <... ioctl resumed>)        = 0
[pid  5841] close(3)                    = 0
[pid  5841] close(4)                    = 0
[pid  5841] mkdir("./file1", 0777)      = -1 EEXIST (File exists)
[pid  5841] mount("/dev/loop4", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,nointr,atime_quantum=00000000000000000007,localflocks,data=writeback,localflocks,intr,heartbeat="... <unfinished ...>
[pid  5835] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5835] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,nointr,atime_quantum=00000000000000000007,localflocks,data=writeback,localflocks,intr,heartbeat="... <unfinished ...>
[pid  5840] mkdir("./file1", 0777)      = -1 EEXIST (File exists)
[   63.198570][ T5841] loop4: detected capacity change from 0 to 32768
[   63.207170][ T5839] =======================================================
[   63.207170][ T5839] WARNING: The mand mount option has been deprecated and
[   63.207170][ T5839]          and is ignored by this kernel. Remove the mand
[   63.207170][ T5839]          option from the mount to silence this warning.
[   63.207170][ T5839] =======================================================
[   63.254760][ T5841] debugfs: Directory 'B1DE653C5FFC4D88B33B244AAB9EB3E9' with parent 'ocfs2' already present!
[   63.281754][ T5835] debugfs: Directory 'B1DE653C5FFC4D88B33B244AAB9EB3E9' with parent 'ocfs2' already present!
[   63.298590][ T5839] debugfs: Directory 'B1DE653C5FFC4D88B33B244AAB9EB3E9' with parent 'ocfs2' already present!
[   63.299691][ T5837] ocfs2: Mounting device (7,1) on (node local, slot 0) with writeback data mode.
[   63.333996][ T5840] debugfs: Directory 'B1DE653C5FFC4D88B33B244AAB9EB3E9' with parent 'ocfs2' already present!
[   63.348820][ T5839] ocfs2: Mounting device (7,2) on (node local, slot 0) with writeback data mode.
[   63.366754][ T5835] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode.
[   63.389724][ T5841] ocfs2: Mounting device (7,4) on (node local, slot 0) with writeback data mode.
[pid  5840] mount("/dev/loop3", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,nointr,atime_quantum=00000000000000000007,localflocks,data=writeback,localflocks,intr,heartbeat="... <unfinished ...>
[pid  5839] <... mount resumed>)        = 0
[pid  5841] <... mount resumed>)        = 0
[pid  5840] <... mount resumed>)        = 0
[pid  5839] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5837] <... mount resumed>)        = 0
[pid  5835] <... mount resumed>)        = 0
[pid  5839] <... openat resumed>)       = 3
[pid  5839] chdir("./file1")            = 0
[pid  5835] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5841] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5840] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5837] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5835] <... openat resumed>)       = 3
[pid  5839] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5840] <... openat resumed>)       = 3
[pid  5839] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5837] <... openat resumed>)       = 3
[pid  5835] chdir("./file1" <unfinished ...>
[pid  5840] chdir("./file1" <unfinished ...>
[pid  5837] chdir("./file1" <unfinished ...>
[pid  5835] <... chdir resumed>)        = 0
[pid  5840] <... chdir resumed>)        = 0
[pid  5837] <... chdir resumed>)        = 0
[pid  5841] <... openat resumed>)       = 3
[pid  5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5837] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5841] chdir("./file1" <unfinished ...>
[pid  5840] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5835] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5841] <... chdir resumed>)        = 0
[pid  5840] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5837] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5835] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5841] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5837] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5841] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5841] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5839] <... lsetxattr resumed>)    = 0
[   63.396989][ T5840] ocfs2: Mounting device (7,3) on (node local, slot 0) with writeback data mode.
[pid  5839] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5840] <... lsetxattr resumed>)    = 0
[pid  5841] <... lsetxattr resumed>)    = 0
[pid  5837] <... lsetxattr resumed>)    = 0
[pid  5835] <... lsetxattr resumed>)    = 0
[pid  5841] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5840] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5837] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[   63.455900][ T5839] 
[   63.458279][ T5839] ======================================================
[   63.465313][ T5839] WARNING: possible circular locking dependency detected
[   63.472352][ T5839] 6.12.0-next-20241128-syzkaller #0 Not tainted
[   63.478596][ T5839] ------------------------------------------------------
[   63.485607][ T5839] syz-executor369/5839 is trying to acquire lock:
[   63.492017][ T5839] ffff888074602378 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_init_acl+0x397/0x930
[   63.501380][ T5839] 
[   63.501380][ T5839] but task is already holding lock:
[   63.508903][ T5839] ffff88807328c958 (jbd2_handle){.+.+}-{0:0}, at: start_this_handle+0x1e94/0x2110
[   63.518151][ T5839] 
[   63.518151][ T5839] which lock already depends on the new lock.
[   63.518151][ T5839] 
[   63.528721][ T5839] 
[   63.528721][ T5839] the existing dependency chain (in reverse order) is:
[   63.537743][ T5839] 
[   63.537743][ T5839] -> #3 (jbd2_handle){.+.+}-{0:0}:
[   63.545029][ T5839]        lock_acquire+0x1ed/0x550
[   63.550054][ T5839]        start_this_handle+0x1eb4/0x2110
[   63.555734][ T5839]        jbd2__journal_start+0x2da/0x5d0
[   63.561358][ T5839]        jbd2_journal_start+0x29/0x40
[   63.566723][ T5839]        ocfs2_start_trans+0x3c9/0x700
[   63.572188][ T5839]        ocfs2_reserve_suballoc_bits+0x9f6/0x4e70
[   63.578627][ T5839]        ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0
[   63.585513][ T5839]        ocfs2_init_xattr_set_ctxt+0x3a6/0x8e0
[   63.591766][ T5839]        ocfs2_xattr_set+0xf4e/0x1930
[   63.597240][ T5839]        ocfs2_set_acl+0x4cb/0x580
[   63.602392][ T5839]        ocfs2_iop_set_acl+0x24a/0x3c0
[   63.607890][ T5839]        vfs_set_acl+0x7fd/0xa60
[   63.612840][ T5839]        do_set_acl+0xf4/0x180
[   63.617615][ T5839]        filename_setxattr+0x325/0x430
[   63.623071][ T5839]        path_setxattrat+0x440/0x510
[   63.628346][ T5839]        __x64_sys_lsetxattr+0xbf/0xe0
[   63.633799][ T5839]        do_syscall_64+0xf3/0x230
[   63.638850][ T5839]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   63.645283][ T5839] 
[   63.645283][ T5839] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}:
[   63.653816][ T5839]        lock_acquire+0x1ed/0x550
[   63.658843][ T5839]        down_read+0xb1/0xa40
[   63.663599][ T5839]        ocfs2_start_trans+0x3be/0x700
[   63.669479][ T5839]        ocfs2_reserve_suballoc_bits+0x9f6/0x4e70
[   63.676229][ T5839]        ocfs2_reserve_new_metadata_blocks+0x41c/0x9c0
[   63.683416][ T5839]        ocfs2_init_xattr_set_ctxt+0x3a6/0x8e0
[   63.689790][ T5839]        ocfs2_xattr_set+0xf4e/0x1930
[   63.695542][ T5839]        ocfs2_set_acl+0x4cb/0x580
[   63.700680][ T5839]        ocfs2_iop_set_acl+0x24a/0x3c0
[   63.707024][ T5839]        vfs_set_acl+0x7fd/0xa60
[   63.712587][ T5839]        do_set_acl+0xf4/0x180
[   63.717340][ T5839]        filename_setxattr+0x325/0x430
[   63.722994][ T5839]        path_setxattrat+0x440/0x510
[   63.728293][ T5839]        __x64_sys_lsetxattr+0xbf/0xe0
[   63.733759][ T5839]        do_syscall_64+0xf3/0x230
[   63.738778][ T5839]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   63.745273][ T5839] 
[   63.745273][ T5839] -> #1 (sb_internal#2){.+.+}-{0:0}:
[   63.753964][ T5839]        lock_acquire+0x1ed/0x550
[   63.759169][ T5839]        ocfs2_start_trans+0x2b9/0x700
[   63.764792][ T5839]        ocfs2_xattr_set+0x1192/0x1930
[   63.770269][ T5839]        ocfs2_set_acl+0x4cb/0x580
[   63.775727][ T5839]        ocfs2_iop_set_acl+0x24a/0x3c0
[   63.781367][ T5839]        vfs_set_acl+0x7fd/0xa60
[   63.786312][ T5839]        do_set_acl+0xf4/0x180
[   63.791716][ T5839]        filename_setxattr+0x325/0x430
[   63.797181][ T5839]        path_setxattrat+0x440/0x510
[   63.802542][ T5839]        __x64_sys_lsetxattr+0xbf/0xe0
[   63.808028][ T5839]        do_syscall_64+0xf3/0x230
[   63.813173][ T5839]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   63.819597][ T5839] 
[   63.819597][ T5839] -> #0 (&oi->ip_xattr_sem){++++}-{4:4}:
[   63.827451][ T5839]        validate_chain+0x18ef/0x5920
[   63.833045][ T5839]        __lock_acquire+0x1397/0x2100
[   63.838522][ T5839]        lock_acquire+0x1ed/0x550
[   63.844291][ T5839]        down_read+0xb1/0xa40
[   63.849244][ T5839]        ocfs2_init_acl+0x397/0x930
[   63.854563][ T5839]        ocfs2_mknod+0x1c05/0x2b30
[   63.859896][ T5839]        ocfs2_create+0x1ab/0x470
[   63.865395][ T5839]        path_openat+0x1c03/0x3590
[   63.871388][ T5839]        do_filp_open+0x27f/0x4e0
[   63.876439][ T5839]        do_sys_openat2+0x13e/0x1d0
[   63.881831][ T5839]        __x64_sys_openat+0x247/0x2a0
[   63.887899][ T5839]        do_syscall_64+0xf3/0x230
[   63.893091][ T5839]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   63.899499][ T5839] 
[   63.899499][ T5839] other info that might help us debug this:
[   63.899499][ T5839] 
[   63.910274][ T5839] Chain exists of:
[   63.910274][ T5839]   &oi->ip_xattr_sem --> &journal->j_trans_barrier --> jbd2_handle
[   63.910274][ T5839] 
[   63.924631][ T5839]  Possible unsafe locking scenario:
[   63.924631][ T5839] 
[   63.932996][ T5839]        CPU0                    CPU1
[   63.938447][ T5839]        ----                    ----
[   63.943911][ T5839]   rlock(jbd2_handle);
[   63.948088][ T5839]                                lock(&journal->j_trans_barrier);
[   63.956009][ T5839]                                lock(jbd2_handle);
[   63.962686][ T5839]   rlock(&oi->ip_xattr_sem);
[   63.967619][ T5839] 
[   63.967619][ T5839]  *** DEADLOCK ***
[   63.967619][ T5839] 
[   63.975754][ T5839] 8 locks held by syz-executor369/5839:
[   63.981544][ T5839]  #0: ffff8880349a2420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90
[   63.990690][ T5839]  #1: ffff888074602640 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: path_openat+0x89a/0x3590
[   64.000876][ T5839]  #2: ffff888074695100 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x192/0x4e70
[   64.014539][ T5839]  #3: ffff8880746942c0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x192/0x4e70
[   64.028203][ T5839]  #4: ffff888074696d80 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{4:4}, at: ocfs2_reserve_local_alloc_bits+0x132/0x2840
[   64.042241][ T5839]  #5: ffff8880349a2610 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_mknod+0x150c/0x2b30
[   64.051660][ T5839]  #6: ffff888030a448e8 (&journal->j_trans_barrier){.+.+}-{4:4}, at: ocfs2_start_trans+0x3be/0x700
[   64.062472][ T5839]  #7: ffff88807328c958 (jbd2_handle){.+.+}-{0:0}, at: start_this_handle+0x1e94/0x2110
[   64.072221][ T5839] 
[   64.072221][ T5839] stack backtrace:
[   64.078121][ T5839] CPU: 0 UID: 0 PID: 5839 Comm: syz-executor369 Not tainted 6.12.0-next-20241128-syzkaller #0
[   64.088351][ T5839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   64.098406][ T5839] Call Trace:
[   64.101679][ T5839]  <TASK>
[   64.104613][ T5839]  dump_stack_lvl+0x241/0x360
[   64.109294][ T5839]  ? __pfx_dump_stack_lvl+0x10/0x10
[   64.114487][ T5839]  ? __pfx__printk+0x10/0x10
[   64.119075][ T5839]  print_circular_bug+0x13a/0x1b0
[   64.124102][ T5839]  check_noncircular+0x36a/0x4a0
[   64.129044][ T5839]  ? __pfx_check_noncircular+0x10/0x10
[   64.134497][ T5839]  ? lockdep_lock+0x123/0x2b0
[   64.139200][ T5839]  ? validate_chain+0x11e/0x5920
[   64.144164][ T5839]  validate_chain+0x18ef/0x5920
[   64.149049][ T5839]  ? __pfx_number+0x10/0x10
[   64.153610][ T5839]  ? __pfx_validate_chain+0x10/0x10
[   64.158828][ T5839]  ? __asan_memset+0x23/0x50
[   64.163449][ T5839]  ? lockdep_init_map_type+0xa1/0x910
[   64.169036][ T5839]  ? __pfx_lockdep_init_map_type+0x10/0x10
[   64.175030][ T5839]  ? mark_lock+0x9a/0x360
[   64.179386][ T5839]  ? mark_lock+0x9a/0x360
[   64.183860][ T5839]  __lock_acquire+0x1397/0x2100
[   64.188727][ T5839]  lock_acquire+0x1ed/0x550
[   64.193237][ T5839]  ? ocfs2_init_acl+0x397/0x930
[   64.198081][ T5839]  ? __pfx_lock_acquire+0x10/0x10
[   64.203105][ T5839]  ? __pfx___might_resched+0x10/0x10
[   64.208384][ T5839]  ? do_raw_spin_unlock+0x13c/0x8b0
[   64.213576][ T5839]  ? __ocfs2_mknod_locked+0x1037/0x15c0
[   64.219117][ T5839]  down_read+0xb1/0xa40
[   64.223267][ T5839]  ? ocfs2_init_acl+0x397/0x930
[   64.228109][ T5839]  ? __pfx___ocfs2_mknod_locked+0x10/0x10
[   64.233829][ T5839]  ? __pfx_down_read+0x10/0x10
[   64.238583][ T5839]  ? __set_current_blocked+0x310/0x380
[   64.244130][ T5839]  ? __pfx___set_current_blocked+0x10/0x10
[   64.249937][ T5839]  ? rcu_is_watching+0x15/0xb0
[   64.254740][ T5839]  ocfs2_init_acl+0x397/0x930
[   64.259499][ T5839]  ? ocfs2_mknod_locked+0x222/0x3b0
[   64.264691][ T5839]  ? __pfx_ocfs2_init_acl+0x10/0x10
[   64.269883][ T5839]  ? ocfs2_start_trans+0x4e3/0x700
[   64.275017][ T5839]  ? __pfx_ocfs2_block_signals+0x10/0x10
[   64.280687][ T5839]  ? ocfs2_init_security_get+0x134/0x1a0
[   64.286316][ T5839]  ocfs2_mknod+0x1c05/0x2b30
[   64.290903][ T5839]  ? __pfx_validate_chain+0x10/0x10
[   64.296145][ T5839]  ? __pfx_ocfs2_mknod+0x10/0x10
[   64.301105][ T5839]  ? __lock_acquire+0x1397/0x2100
[   64.306137][ T5839]  ? __pfx_lock_acquire+0x10/0x10
[   64.311159][ T5839]  ? ocfs2_inode_unlock+0xa7/0x150
[   64.316261][ T5839]  ? __pfx_lock_release+0x10/0x10
[   64.321275][ T5839]  ? do_raw_spin_lock+0x14f/0x370
[   64.326299][ T5839]  ? do_raw_spin_unlock+0x13c/0x8b0
[   64.331488][ T5839]  ? _raw_spin_unlock+0x28/0x50
[   64.336334][ T5839]  ? rcu_is_watching+0x15/0xb0
[   64.341097][ T5839]  ? ocfs2_lookup+0x503/0xa30
[   64.345776][ T5839]  ocfs2_create+0x1ab/0x470
[   64.350286][ T5839]  ? __pfx_ocfs2_create+0x10/0x10
[   64.355307][ T5839]  ? inode_permission+0xff/0x460
[   64.360244][ T5839]  ? __pfx_ocfs2_permission+0x10/0x10
[   64.365615][ T5839]  ? bpf_lsm_inode_create+0x9/0x10
[   64.370725][ T5839]  ? security_inode_create+0xbe/0x340
[   64.376092][ T5839]  ? __pfx_ocfs2_create+0x10/0x10
[   64.381113][ T5839]  path_openat+0x1c03/0x3590
[   64.385705][ T5839]  ? __pfx_path_openat+0x10/0x10
[   64.390653][ T5839]  do_filp_open+0x27f/0x4e0
[   64.395150][ T5839]  ? __pfx_do_filp_open+0x10/0x10
[   64.400355][ T5839]  ? do_raw_spin_lock+0x14f/0x370
[   64.405435][ T5839]  do_sys_openat2+0x13e/0x1d0
[   64.410149][ T5839]  ? __pfx_do_sys_openat2+0x10/0x10
[   64.415435][ T5839]  ? lockdep_hardirqs_on+0x99/0x150
[   64.420645][ T5839]  ? _raw_spin_unlock_irq+0x2e/0x50
[   64.425889][ T5839]  ? ptrace_notify+0x279/0x380
[   64.431180][ T5839]  __x64_sys_openat+0x247/0x2a0
[   64.436202][ T5839]  ? __pfx___x64_sys_openat+0x10/0x10
[   64.441614][ T5839]  ? do_syscall_64+0x100/0x230
[   64.446374][ T5839]  do_syscall_64+0xf3/0x230
[   64.450892][ T5839]  ? clear_bhb_loop+0x35/0x90
[   64.455562][ T5839]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   64.461459][ T5839] RIP: 0033:0x7fece6df4009
[   64.465893][ T5839] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   64.485524][ T5839] RSP: 002b:00007ffc708407e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[   64.494811][ T5839] RAX: ffffffffffffffda RBX: 6b63616265746972 RCX: 00007fece6df4009
[   64.502793][ T5839] RDX: 000000000000275a RSI: 0000000020000280 RDI: 00000000ffffff9c
[pid  5835] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5839] <... openat resumed>)       = 4
[pid  5837] <... openat resumed>)       = 4
[pid  5840] <... openat resumed>)       = 4
[pid  5840] exit_group(0 <unfinished ...>
[pid  5839] exit_group(0 <unfinished ...>
[pid  5837] exit_group(0 <unfinished ...>
[pid  5841] <... openat resumed>)       = 4
[pid  5840] <... exit_group resumed>)   = ?
[pid  5839] <... exit_group resumed>)   = ?
[pid  5837] <... exit_group resumed>)   = ?
[pid  5835] <... openat resumed>)       = 4
[pid  5841] exit_group(0 <unfinished ...>
[pid  5840] +++ exited with 0 +++
[pid  5839] +++ exited with 0 +++
[pid  5837] +++ exited with 0 +++
[pid  5841] <... exit_group resumed>)   = ?
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=29 /* 0.29 s */} ---
[pid  5835] exit_group(0 <unfinished ...>
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5837, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} ---
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=25 /* 0.25 s */} ---
[pid  5835] <... exit_group resumed>)   = ?
[pid  5841] +++ exited with 0 +++
[pid  5835] +++ exited with 0 +++
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5835, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=27 /* 0.27 s */} ---
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5833] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5832] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5831] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5836] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=23 /* 0.23 s */} ---
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5856 attached
./strace-static-x86_64: Process 5857 attached
./strace-static-x86_64: Process 5858 attached
 <unfinished ...>
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5858
[pid  5856] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5858] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5857] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5856] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5838] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5833] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5857
[pid  5832] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5856
[pid  5831] <... restart_syscall resumed>) = 0
[pid  5858] <... set_robust_list resumed>) = 0
[pid  5857] <... set_robust_list resumed>) = 0
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5856] <... prctl resumed>)        = 0
[pid  5858] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5857] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 5859 attached
 <unfinished ...>
[pid  5858] <... prctl resumed>)        = 0
[pid  5857] <... prctl resumed>)        = 0
[pid  5856] setpgid(0, 0 <unfinished ...>
[pid  5831] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5859] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5858] setpgid(0, 0 <unfinished ...>
[pid  5838] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5859
[pid  5857] setpgid(0, 0 <unfinished ...>
[pid  5859] <... set_robust_list resumed>) = 0
[pid  5858] <... setpgid resumed>)      = 0
[pid  5856] <... setpgid resumed>)      = 0
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5859] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] <... setpgid resumed>)      = 0
[   64.510761][ T5839] RBP: 00000000000f4240 R08: 000055555d9bd378 R09: 000055555d9bd378
[   64.518810][ T5839] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   64.526858][ T5839] R13: 00007ffc70840820 R14: 00007ffc7084080c R15: 00007fece6e3d03b
[   64.534917][ T5839]  </TASK>
[pid  5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
./strace-static-x86_64: Process 5860 attached
[pid  5859] <... prctl resumed>)        = 0
[pid  5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5860] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5859] setpgid(0, 0 <unfinished ...>
[pid  5857] write(3, "1000", 4 <unfinished ...>
[pid  5856] write(3, "1000", 4 <unfinished ...>
[pid  5860] <... set_robust_list resumed>) = 0
[pid  5859] <... setpgid resumed>)      = 0
[pid  5857] <... write resumed>)        = 4
[pid  5856] <... write resumed>)        = 4
[pid  5860] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5857] close(3 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5858] <... openat resumed>)       = 3
[pid  5860] <... prctl resumed>)        = 0
[pid  5857] <... close resumed>)        = 0
[pid  5856] <... close resumed>)        = 0
[pid  5860] setpgid(0, 0 <unfinished ...>
[pid  5858] write(3, "1000", 4 <unfinished ...>
[pid  5857] write(1, "executing program\n", 18 <unfinished ...>
[pid  5856] write(1, "executing program\n", 18executing program
executing program
 <unfinished ...>
[pid  5831] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5860
[pid  5860] <... setpgid resumed>)      = 0
[pid  5859] <... openat resumed>)       = 3
[pid  5858] <... write resumed>)        = 4
[pid  5857] <... write resumed>)        = 18
[pid  5856] <... write resumed>)        = 18
[pid  5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5858] close(3)                    = 0
[pid  5857] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5859] write(3, "1000", 4 <unfinished ...>
[pid  5860] <... openat resumed>)       = 3
[pid  5858] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5857] <... memfd_create resumed>) = 3
[pid  5860] write(3, "1000", 4 <unfinished ...>
[pid  5859] <... write resumed>)        = 4
[pid  5858] <... write resumed>)        = 18
[pid  5856] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5859] close(3 <unfinished ...>
[pid  5860] <... write resumed>)        = 4
[pid  5858] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5856] <... memfd_create resumed>) = 3
[pid  5859] <... close resumed>)        = 0
[pid  5860] close(3 <unfinished ...>
[pid  5857] <... mmap resumed>)         = 0x7fecde800000
[pid  5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5860] <... close resumed>)        = 0
[pid  5859] write(1, "executing program\n", 18 <unfinished ...>
[pid  5858] <... memfd_create resumed>) = 3
[pid  5860] write(1, "executing program\n", 18 <unfinished ...>
[pid  5856] <... mmap resumed>)         = 0x7fecde800000
executing program
[pid  5859] <... write resumed>)        = 18
[pid  5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5859] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5858] <... mmap resumed>)         = 0x7fecde800000
executing program
[pid  5860] <... write resumed>)        = 18
[pid  5859] <... memfd_create resumed>) = 3
[pid  5859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5860] memfd_create("syzkaller", 0) = 3
[pid  5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5857] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5856] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5858] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5859] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5860] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5857] <... write resumed>)        = 16777216
[pid  5857] munmap(0x7fecde800000, 138412032) = 0
[pid  5856] <... write resumed>)        = 16777216
[pid  5856] munmap(0x7fecde800000, 138412032) = 0
[pid  5857] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5857] close(3 <unfinished ...>
[pid  5859] <... write resumed>)        = 16777216
[pid  5856] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5858] <... write resumed>)        = 16777216
[pid  5856] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5859] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5856] close(3 <unfinished ...>
[pid  5859] <... munmap resumed>)       = 0
[pid  5858] munmap(0x7fecde800000, 138412032) = 0
[pid  5859] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5859] close(3 <unfinished ...>
[pid  5858] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5858] close(3 <unfinished ...>
[pid  5860] <... write resumed>)        = 16777216
[pid  5860] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5857] <... close resumed>)        = 0
[pid  5860] <... munmap resumed>)       = 0
[pid  5857] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5860] close(3 <unfinished ...>
[pid  5857] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5856] <... close resumed>)        = 0
[pid  5857] exit_group(0 <unfinished ...>
[pid  5856] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5857] <... exit_group resumed>)   = ?
[pid  5857] +++ exited with 0 +++
[pid  5856] <... lsetxattr resumed>)    = 0
[pid  5856] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} ---
[pid  5833] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5856] <... openat resumed>)       = 3
[pid  5833] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5861 attached
 <unfinished ...>
[pid  5856] exit_group(0 <unfinished ...>
[pid  5833] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5861
[pid  5861] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5856] <... exit_group resumed>)   = ?
[pid  5861] <... set_robust_list resumed>) = 0
[pid  5858] <... close resumed>)        = 0
[pid  5856] +++ exited with 0 +++
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=13 /* 0.13 s */} ---
[pid  5861] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5858] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5858] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5832] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5858] <... openat resumed>)       = 3
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5862 attached
 <unfinished ...>
[pid  5862] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5861] <... prctl resumed>)        = 0
[pid  5859] <... close resumed>)        = 0
[pid  5858] exit_group(0 <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5862
[pid  5862] <... set_robust_list resumed>) = 0
[pid  5861] setpgid(0, 0 <unfinished ...>
[pid  5859] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5858] <... exit_group resumed>)   = ?
[pid  5862] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5861] <... setpgid resumed>)      = 0
[pid  5859] <... lsetxattr resumed>)    = 0
[pid  5862] <... prctl resumed>)        = 0
[pid  5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5862] setpgid(0, 0 <unfinished ...>
[pid  5859] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5862] <... setpgid resumed>)      = 0
[pid  5861] <... openat resumed>)       = 3
[pid  5859] <... openat resumed>)       = 3
[pid  5858] +++ exited with 0 +++
[pid  5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5861] write(3, "1000", 4 <unfinished ...>
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5858, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=17 /* 0.17 s */} ---
[pid  5862] <... openat resumed>)       = 3
[pid  5861] <... write resumed>)        = 4
[pid  5836] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5862] write(3, "1000", 4 <unfinished ...>
[pid  5861] close(3 <unfinished ...>
[pid  5862] <... write resumed>)        = 4
[pid  5859] exit_group(0 <unfinished ...>
[pid  5862] close(3 <unfinished ...>
[pid  5861] <... close resumed>)        = 0
[pid  5862] <... close resumed>)        = 0
executing program
executing program
[pid  5836] <... restart_syscall resumed>) = 0
[pid  5861] write(1, "executing program\n", 18 <unfinished ...>
[pid  5862] write(1, "executing program\n", 18 <unfinished ...>
[pid  5861] <... write resumed>)        = 18
[pid  5859] <... exit_group resumed>)   = ?
[pid  5862] <... write resumed>)        = 18
[pid  5861] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5860] <... close resumed>)        = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5861] <... memfd_create resumed>) = 3
[pid  5860] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5836] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5862] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5860] <... lsetxattr resumed>)    = 0
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5862] <... memfd_create resumed>) = 3
[pid  5861] <... mmap resumed>)         = 0x7fecde800000
[pid  5860] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5863 attached
 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5863
[pid  5863] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5862] <... mmap resumed>)         = 0x7fecde800000
[pid  5860] <... openat resumed>)       = 3
[pid  5863] <... set_robust_list resumed>) = 0
[pid  5860] exit_group(0)               = ?
[pid  5863] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5860] +++ exited with 0 +++
[pid  5863] <... prctl resumed>)        = 0
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=15 /* 0.15 s */} ---
[pid  5863] setpgid(0, 0 <unfinished ...>
[pid  5831] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5863] <... setpgid resumed>)      = 0
[pid  5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5863] write(3, "1000", 4)         = 4
[pid  5863] close(3)                    = 0
[pid  5863] write(1, "executing program\n", 18) = 18
[pid  5863] memfd_create("syzkaller", 0) = 3
[pid  5863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5831] <... restart_syscall resumed>) = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
./strace-static-x86_64: Process 5864 attached
 <unfinished ...>
[pid  5859] +++ exited with 0 +++
[pid  5864] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5831] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5864
[pid  5864] <... set_robust_list resumed>) = 0
[pid  5864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5864] setpgid(0, 0)               = 0
[pid  5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5864] write(3, "1000", 4)         = 4
[pid  5864] close(3)                    = 0
executing program
[pid  5864] write(1, "executing program\n", 18) = 18
[pid  5864] memfd_create("syzkaller", 0) = 3
[pid  5864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=15 /* 0.15 s */} ---
[pid  5838] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5865
./strace-static-x86_64: Process 5865 attached
[pid  5865] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5865] setpgid(0, 0)               = 0
[pid  5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid  5865] write(3, "1000", 4)         = 4
[pid  5865] close(3)                    = 0
[pid  5865] write(1, "executing program\n", 18) = 18
[pid  5865] memfd_create("syzkaller", 0) = 3
[pid  5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5863] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5862] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5861] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5865] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5864] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5863] <... write resumed>)        = 16777216
[pid  5863] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5862] <... write resumed>)        = 16777216
[pid  5864] <... write resumed>)        = 16777216
[pid  5865] <... write resumed>)        = 16777216
[pid  5863] <... munmap resumed>)       = 0
[pid  5862] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5861] <... write resumed>)        = 16777216
[pid  5864] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5865] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5863] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5862] <... munmap resumed>)       = 0
[pid  5864] <... munmap resumed>)       = 0
[pid  5863] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5861] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5862] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5865] <... munmap resumed>)       = 0
[pid  5864] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5863] close(3 <unfinished ...>
[pid  5862] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5865] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5864] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5861] <... munmap resumed>)       = 0
[pid  5864] close(3 <unfinished ...>
[pid  5861] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5862] close(3 <unfinished ...>
[pid  5865] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5861] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5861] close(3 <unfinished ...>
[pid  5865] close(3 <unfinished ...>
[pid  5861] <... close resumed>)        = 0
[pid  5864] <... close resumed>)        = 0
[pid  5864] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5861] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5864] <... lsetxattr resumed>)    = 0
[pid  5864] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5864] exit_group(0)               = ?
[pid  5864] +++ exited with 0 +++
[pid  5861] <... lsetxattr resumed>)    = 0
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=18 /* 0.18 s */} ---
[pid  5831] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5866 attached
, child_tidptr=0x55555d9bc650) = 5866
[pid  5866] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5863] <... close resumed>)        = 0
[pid  5866] <... set_robust_list resumed>) = 0
[pid  5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5866] setpgid(0, 0)               = 0
[pid  5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5863] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5866] <... openat resumed>)       = 3
[pid  5863] <... lsetxattr resumed>)    = 0
[pid  5866] write(3, "1000", 4)         = 4
[pid  5866] close(3)                    = 0
executing program
[pid  5866] write(1, "executing program\n", 18) = 18
[pid  5866] memfd_create("syzkaller", 0) = 3
[pid  5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5863] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5863] exit_group(0)               = ?
[pid  5863] +++ exited with 0 +++
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=14 /* 0.14 s */} ---
[pid  5836] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5865] <... close resumed>)        = 0
[pid  5861] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5865] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5861] <... openat resumed>)       = 3
[pid  5865] <... lsetxattr resumed>)    = 0
[pid  5865] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5862] <... close resumed>)        = 0
[pid  5861] exit_group(0 <unfinished ...>
[pid  5865] <... openat resumed>)       = 3
[pid  5862] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5861] <... exit_group resumed>)   = ?
[pid  5836] <... restart_syscall resumed>) = 0
[pid  5865] exit_group(0 <unfinished ...>
[pid  5861] +++ exited with 0 +++
[pid  5862] <... lsetxattr resumed>)    = 0
[pid  5865] <... exit_group resumed>)   = ?
[pid  5865] +++ exited with 0 +++
[pid  5862] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=13 /* 0.13 s */} ---
[pid  5862] exit_group(0 <unfinished ...>
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=16 /* 0.16 s */} ---
[pid  5836] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5862] <... exit_group resumed>)   = ?
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5838] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5833] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5867 attached
./strace-static-x86_64: Process 5869 attached
./strace-static-x86_64: Process 5868 attached
 <unfinished ...>
[pid  5867] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5867
[pid  5869] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5867] <... set_robust_list resumed>) = 0
[pid  5833] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5869
[pid  5869] <... set_robust_list resumed>) = 0
[pid  5867] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5862] +++ exited with 0 +++
[pid  5869] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5868] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5869] <... prctl resumed>)        = 0
[pid  5868] <... set_robust_list resumed>) = 0
[pid  5867] <... prctl resumed>)        = 0
[pid  5838] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5868
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} ---
[pid  5869] setpgid(0, 0)               = 0
[pid  5868] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5867] setpgid(0, 0 <unfinished ...>
[pid  5832] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5867] <... setpgid resumed>)      = 0
[pid  5869] <... openat resumed>)       = 3
[pid  5868] <... prctl resumed>)        = 0
[pid  5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5869] write(3, "1000", 4 <unfinished ...>
[pid  5868] setpgid(0, 0 <unfinished ...>
[pid  5869] <... write resumed>)        = 4
executing program
[pid  5869] close(3 <unfinished ...>
[pid  5868] <... setpgid resumed>)      = 0
[pid  5869] <... close resumed>)        = 0
[pid  5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5867] <... openat resumed>)       = 3
[pid  5869] write(1, "executing program\n", 18) = 18
[pid  5869] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5868] <... openat resumed>)       = 3
[pid  5867] write(3, "1000", 4 <unfinished ...>
[pid  5869] <... memfd_create resumed>) = 3
[pid  5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5867] <... write resumed>)        = 4
[pid  5869] <... mmap resumed>)         = 0x7fecde800000
[pid  5867] close(3 <unfinished ...>
[pid  5832] <... restart_syscall resumed>) = 0
[pid  5868] write(3, "1000", 4 <unfinished ...>
[pid  5867] <... close resumed>)        = 0
executing program
[pid  5868] <... write resumed>)        = 4
[pid  5867] write(1, "executing program\n", 18 <unfinished ...>
[pid  5868] close(3 <unfinished ...>
[pid  5867] <... write resumed>)        = 18
[pid  5868] <... close resumed>)        = 0
[pid  5867] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5868] write(1, "executing program\n", 18executing program
) = 18
[pid  5832] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5867] <... memfd_create resumed>) = 3
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
./strace-static-x86_64: Process 5870 attached
[pid  5832] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5870
[pid  5868] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5870] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5870] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5868] <... memfd_create resumed>) = 3
[pid  5870] <... prctl resumed>)        = 0
[pid  5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5870] setpgid(0, 0)               = 0
[pid  5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5870] write(3, "1000", 4)         = 4
[pid  5870] close(3)                    = 0
executing program
[pid  5870] write(1, "executing program\n", 18) = 18
[pid  5870] memfd_create("syzkaller", 0) = 3
[pid  5870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5866] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5867] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5869] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5868] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5870] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5866] <... write resumed>)        = 16777216
[pid  5866] munmap(0x7fecde800000, 138412032) = 0
[pid  5867] <... write resumed>)        = 16777216
[pid  5866] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5867] munmap(0x7fecde800000, 138412032) = 0
[pid  5866] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5866] close(3 <unfinished ...>
[pid  5867] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5867] close(3 <unfinished ...>
[pid  5869] <... write resumed>)        = 16777216
[pid  5869] munmap(0x7fecde800000, 138412032) = 0
[pid  5869] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5868] <... write resumed>)        = 16777216
[pid  5869] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5869] close(3 <unfinished ...>
[pid  5868] munmap(0x7fecde800000, 138412032) = 0
[pid  5868] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5868] close(3 <unfinished ...>
[pid  5870] <... write resumed>)        = 16777216
[pid  5870] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5867] <... close resumed>)        = 0
[pid  5870] <... munmap resumed>)       = 0
[pid  5867] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5867] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5867] exit_group(0)               = ?
[pid  5870] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5870] close(3 <unfinished ...>
[pid  5867] +++ exited with 0 +++
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} ---
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5871 attached
, child_tidptr=0x55555d9bc650) = 5871
[pid  5871] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5871] setpgid(0, 0)               = 0
[pid  5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5871] write(3, "1000", 4)         = 4
[pid  5871] close(3executing program
)                    = 0
[pid  5871] write(1, "executing program\n", 18) = 18
[pid  5871] memfd_create("syzkaller", 0) = 3
[pid  5871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5866] <... close resumed>)        = 0
[pid  5866] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5866] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5866] exit_group(0)               = ?
[pid  5866] +++ exited with 0 +++
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=12 /* 0.12 s */} ---
[pid  5831] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5869] <... close resumed>)        = 0
[pid  5869] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5868] <... close resumed>)        = 0
[pid  5831] <... restart_syscall resumed>) = 0
[pid  5869] <... lsetxattr resumed>)    = 0
[pid  5868] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5869] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5868] <... lsetxattr resumed>)    = 0
[pid  5869] <... openat resumed>)       = 3
[pid  5868] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5869] exit_group(0 <unfinished ...>
[pid  5831] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5869] <... exit_group resumed>)   = ?
[pid  5868] <... openat resumed>)       = 3
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5869] +++ exited with 0 +++
[pid  5868] exit_group(0./strace-static-x86_64: Process 5872 attached
)               = ?
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} ---
[pid  5831] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5872
[pid  5833] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5868] +++ exited with 0 +++
[pid  5872] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=18 /* 0.18 s */} ---
[pid  5872] <... set_robust_list resumed>) = 0
[pid  5838] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5872] setpgid(0, 0)               = 0
[pid  5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5838] <... restart_syscall resumed>) = 0
[pid  5833] <... restart_syscall resumed>) = 0
[pid  5872] <... openat resumed>)       = 3
[pid  5872] write(3, "1000", 4 <unfinished ...>
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5872] <... write resumed>)        = 4
[pid  5838] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5872] close(3 <unfinished ...>
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5833] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5872] <... close resumed>)        = 0
executing program
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5874 attached
./strace-static-x86_64: Process 5873 attached
 <unfinished ...>
[pid  5872] write(1, "executing program\n", 18 <unfinished ...>
[pid  5838] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5873
[pid  5874] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5873] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5872] <... write resumed>)        = 18
[pid  5870] <... close resumed>)        = 0
[pid  5833] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5874
[pid  5874] <... set_robust_list resumed>) = 0
[pid  5873] <... set_robust_list resumed>) = 0
[pid  5872] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5870] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5874] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5873] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5872] <... memfd_create resumed>) = 3
[pid  5870] <... lsetxattr resumed>)    = 0
[pid  5874] <... prctl resumed>)        = 0
[pid  5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5874] setpgid(0, 0 <unfinished ...>
[pid  5873] <... prctl resumed>)        = 0
[pid  5872] <... mmap resumed>)         = 0x7fecde800000
[pid  5870] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5874] <... setpgid resumed>)      = 0
[pid  5873] setpgid(0, 0 <unfinished ...>
[pid  5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5874] write(3, "1000", 4)         = 4
[pid  5874] close(3)                    = 0
executing program
[pid  5874] write(1, "executing program\n", 18) = 18
[pid  5874] memfd_create("syzkaller", 0) = 3
[pid  5873] <... setpgid resumed>)      = 0
[pid  5870] <... openat resumed>)       = 3
[pid  5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5870] exit_group(0)               = ?
[pid  5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5873] <... openat resumed>)       = 3
[pid  5870] +++ exited with 0 +++
[pid  5874] <... mmap resumed>)         = 0x7fecde800000
[pid  5873] write(3, "1000", 4 <unfinished ...>
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} ---
[pid  5873] <... write resumed>)        = 4
[pid  5832] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5873] close(3)                    = 0
executing program
[pid  5873] write(1, "executing program\n", 18) = 18
[pid  5873] memfd_create("syzkaller", 0) = 3
[pid  5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5832] <... restart_syscall resumed>) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5875
./strace-static-x86_64: Process 5875 attached
[pid  5875] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5875] setpgid(0, 0)               = 0
[pid  5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5875] write(3, "1000", 4)         = 4
[pid  5875] close(3)                    = 0
[pid  5871] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
executing program
[pid  5875] write(1, "executing program\n", 18) = 18
[pid  5875] memfd_create("syzkaller", 0) = 3
[pid  5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5873] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5872] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5874] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5871] <... write resumed>)        = 16777216
[pid  5871] munmap(0x7fecde800000, 138412032) = 0
[pid  5875] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5871] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5871] close(3 <unfinished ...>
[pid  5874] <... write resumed>)        = 16777216
[pid  5873] <... write resumed>)        = 16777216
[pid  5872] <... write resumed>)        = 16777216
[pid  5873] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5872] munmap(0x7fecde800000, 138412032) = 0
[pid  5875] <... write resumed>)        = 16777216
[pid  5874] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5873] <... munmap resumed>)       = 0
[pid  5871] <... close resumed>)        = 0
[pid  5875] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5873] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5872] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5873] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5873] close(3 <unfinished ...>
[pid  5872] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5875] <... munmap resumed>)       = 0
[pid  5874] <... munmap resumed>)       = 0
[pid  5871] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5875] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5875] close(3 <unfinished ...>
[pid  5872] close(3 <unfinished ...>
[pid  5874] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5871] <... lsetxattr resumed>)    = 0
[pid  5874] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5871] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5874] close(3 <unfinished ...>
[pid  5871] <... openat resumed>)       = 3
[pid  5871] exit_group(0)               = ?
[pid  5871] +++ exited with 0 +++
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=13 /* 0.13 s */} ---
[pid  5836] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5876
executing program
./strace-static-x86_64: Process 5876 attached
[pid  5876] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5876] setpgid(0, 0)               = 0
[pid  5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5876] write(3, "1000", 4)         = 4
[pid  5876] close(3)                    = 0
[pid  5876] write(1, "executing program\n", 18) = 18
[pid  5876] memfd_create("syzkaller", 0) = 3
[pid  5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5875] <... close resumed>)        = 0
[pid  5875] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5875] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5874] <... close resumed>)        = 0
[pid  5875] exit_group(0 <unfinished ...>
[pid  5874] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5875] <... exit_group resumed>)   = ?
[pid  5875] +++ exited with 0 +++
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=15 /* 0.15 s */} ---
[pid  5874] <... lsetxattr resumed>)    = 0
[pid  5832] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5874] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5874] exit_group(0 <unfinished ...>
[pid  5873] <... close resumed>)        = 0
[pid  5832] <... restart_syscall resumed>) = 0
[pid  5874] <... exit_group resumed>)   = ?
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5874] +++ exited with 0 +++
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} ---
[pid  5833] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5877
./strace-static-x86_64: Process 5877 attached
[pid  5873] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5872] <... close resumed>)        = 0
[pid  5877] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5873] <... lsetxattr resumed>)    = 0
[pid  5873] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5873] exit_group(0)               = ?
[pid  5873] +++ exited with 0 +++
[pid  5877] <... set_robust_list resumed>) = 0
[pid  5872] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} ---
[pid  5833] <... restart_syscall resumed>) = 0
[pid  5872] <... lsetxattr resumed>)    = 0
[pid  5838] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5877] setpgid(0, 0 <unfinished ...>
[pid  5872] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5833] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5877] <... setpgid resumed>)      = 0
[pid  5838] <... restart_syscall resumed>) = 0
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5872] <... openat resumed>)       = 3
./strace-static-x86_64: Process 5878 attached
[pid  5877] <... openat resumed>)       = 3
[pid  5833] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5878
[pid  5877] write(3, "1000", 4 <unfinished ...>
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5878] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5877] <... write resumed>)        = 4
[pid  5838] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5878] <... set_robust_list resumed>) = 0
[pid  5877] close(3 <unfinished ...>
[pid  5872] exit_group(0 <unfinished ...>
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5878] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5877] <... close resumed>)        = 0
executing program
./strace-static-x86_64: Process 5879 attached
[pid  5878] <... prctl resumed>)        = 0
[pid  5877] write(1, "executing program\n", 18 <unfinished ...>
[pid  5838] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5879
[pid  5879] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5878] setpgid(0, 0 <unfinished ...>
[pid  5877] <... write resumed>)        = 18
[pid  5872] <... exit_group resumed>)   = ?
[pid  5879] <... set_robust_list resumed>) = 0
[pid  5878] <... setpgid resumed>)      = 0
[pid  5877] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5872] +++ exited with 0 +++
[pid  5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5877] <... memfd_create resumed>) = 3
[pid  5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5879] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5878] <... openat resumed>)       = 3
[pid  5877] <... mmap resumed>)         = 0x7fecde800000
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} ---
[pid  5879] <... prctl resumed>)        = 0
[pid  5878] write(3, "1000", 4 <unfinished ...>
[pid  5831] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5878] <... write resumed>)        = 4
[pid  5879] setpgid(0, 0 <unfinished ...>
[pid  5878] close(3 <unfinished ...>
[pid  5831] <... restart_syscall resumed>) = 0
[pid  5879] <... setpgid resumed>)      = 0
[pid  5878] <... close resumed>)        = 0
[pid  5878] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5878] <... write resumed>)        = 18
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5878] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5831] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5879] <... openat resumed>)       = 3
[pid  5878] <... memfd_create resumed>) = 3
[pid  5879] write(3, "1000", 4 <unfinished ...>
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5879] <... write resumed>)        = 4
[pid  5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5880 attached
) = 0x7fecde800000
[pid  5831] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5880
[pid  5879] close(3 <unfinished ...>
[pid  5880] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5879] <... close resumed>)        = 0
[pid  5880] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program
 <unfinished ...>
[pid  5879] write(1, "executing program\n", 18executing program
 <unfinished ...>
[pid  5880] <... prctl resumed>)        = 0
[pid  5879] <... write resumed>)        = 18
[pid  5880] setpgid(0, 0)               = 0
[pid  5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5879] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5880] <... openat resumed>)       = 3
[pid  5880] write(3, "1000", 4)         = 4
[pid  5880] close(3)                    = 0
[pid  5880] write(1, "executing program\n", 18) = 18
[pid  5880] memfd_create("syzkaller", 0) = 3
[pid  5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5879] <... memfd_create resumed>) = 3
[pid  5879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5876] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5877] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5880] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5878] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5879] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5876] <... write resumed>)        = 16777216
[pid  5876] munmap(0x7fecde800000, 138412032) = 0
[pid  5876] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5876] close(3 <unfinished ...>
[pid  5877] <... write resumed>)        = 16777216
[pid  5877] munmap(0x7fecde800000, 138412032) = 0
[pid  5877] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5877] close(3 <unfinished ...>
[pid  5880] <... write resumed>)        = 16777216
[pid  5880] munmap(0x7fecde800000, 138412032) = 0
[pid  5880] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5878] <... write resumed>)        = 16777216
[pid  5880] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5878] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5880] close(3 <unfinished ...>
[pid  5878] <... munmap resumed>)       = 0
[pid  5879] <... write resumed>)        = 16777216
[pid  5878] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5878] close(3 <unfinished ...>
[pid  5876] <... close resumed>)        = 0
[pid  5879] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5877] <... close resumed>)        = 0
[pid  5879] <... munmap resumed>)       = 0
[pid  5877] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5876] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5877] <... lsetxattr resumed>)    = 0
[pid  5876] <... lsetxattr resumed>)    = 0
[pid  5877] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5876] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5879] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5879] close(3 <unfinished ...>
[pid  5876] <... openat resumed>)       = 3
[pid  5877] <... openat resumed>)       = 3
[pid  5876] exit_group(0 <unfinished ...>
[pid  5877] exit_group(0 <unfinished ...>
[pid  5876] <... exit_group resumed>)   = ?
[pid  5876] +++ exited with 0 +++
[pid  5877] <... exit_group resumed>)   = ?
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=16 /* 0.16 s */} ---
[pid  5836] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5877] +++ exited with 0 +++
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=11 /* 0.11 s */} ---
[pid  5832] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5881 attached
 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5881
[pid  5881] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5881] setpgid(0, 0)               = 0
[pid  5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5881] write(3, "1000", 4)         = 4
[pid  5881] close(3)                    = 0
[pid  5881] write(1, "executing program\n", 18executing program
) = 18
[pid  5881] memfd_create("syzkaller", 0) = 3
[pid  5881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5832] <... restart_syscall resumed>) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5882
./strace-static-x86_64: Process 5882 attached
[pid  5882] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5882] setpgid(0, 0)               = 0
[pid  5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5882] write(3, "1000", 4)         = 4
[pid  5882] close(3)                    = 0
[pid  5880] <... close resumed>)        = 0
executing program
[pid  5882] write(1, "executing program\n", 18) = 18
[pid  5882] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5880] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5882] <... memfd_create resumed>) = 3
[pid  5880] <... lsetxattr resumed>)    = 0
[pid  5880] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5880] exit_group(0 <unfinished ...>
[pid  5882] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5880] <... exit_group resumed>)   = ?
[pid  5880] +++ exited with 0 +++
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=13 /* 0.13 s */} ---
[pid  5831] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5882] <... mmap resumed>)         = 0x7fecde800000
[pid  5878] <... close resumed>)        = 0
[pid  5831] <... restart_syscall resumed>) = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5878] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0./strace-static-x86_64: Process 5883 attached
) = 0
[pid  5831] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5883
[pid  5878] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5883] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5878] <... openat resumed>)       = 3
[pid  5883] <... set_robust_list resumed>) = 0
executing program
[pid  5883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5878] exit_group(0 <unfinished ...>
[pid  5883] setpgid(0, 0)               = 0
[pid  5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5883] write(3, "1000", 4)         = 4
[pid  5883] close(3)                    = 0
[pid  5883] write(1, "executing program\n", 18) = 18
[pid  5883] memfd_create("syzkaller", 0) = 3
[pid  5883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5878] <... exit_group resumed>)   = ?
[pid  5878] +++ exited with 0 +++
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} ---
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5884
./strace-static-x86_64: Process 5884 attached
[pid  5884] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5884] setpgid(0, 0)               = 0
[pid  5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5879] <... close resumed>)        = 0
[pid  5884] write(3, "1000", 4 <unfinished ...>
[pid  5881] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216executing program
 <unfinished ...>
[pid  5884] <... write resumed>)        = 4
[pid  5882] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5879] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5884] close(3)                    = 0
[pid  5879] <... lsetxattr resumed>)    = 0
[pid  5884] write(1, "executing program\n", 18) = 18
[pid  5884] memfd_create("syzkaller", 0) = 3
[pid  5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5879] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5879] exit_group(0)               = ?
[pid  5879] +++ exited with 0 +++
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=19 /* 0.19 s */} ---
[pid  5838] restart_syscall(<... resuming interrupted clone ...>executing program
) = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5885 attached
 <unfinished ...>
[pid  5885] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5885] setpgid(0, 0)               = 0
[pid  5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5885] write(3, "1000", 4)         = 4
[pid  5885] close(3)                    = 0
[pid  5885] write(1, "executing program\n", 18) = 18
[pid  5885] memfd_create("syzkaller", 0) = 3
[pid  5838] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5885
[pid  5885] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5883] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5881] <... write resumed>)        = 16777216
[pid  5881] munmap(0x7fecde800000, 138412032) = 0
[pid  5881] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5881] close(3 <unfinished ...>
[pid  5885] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5884] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5882] <... write resumed>)        = 16777216
[pid  5882] munmap(0x7fecde800000, 138412032) = 0
[pid  5882] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5882] close(3 <unfinished ...>
[pid  5881] <... close resumed>)        = 0
[pid  5883] <... write resumed>)        = 16777216
[pid  5881] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5881] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5881] exit_group(0 <unfinished ...>
[pid  5883] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5881] <... exit_group resumed>)   = ?
[pid  5881] +++ exited with 0 +++
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=17 /* 0.17 s */} ---
[pid  5836] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5886
[pid  5883] <... munmap resumed>)       = 0
./strace-static-x86_64: Process 5886 attached
[pid  5883] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5886] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5883] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5886] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5883] close(3 <unfinished ...>
[pid  5886] <... prctl resumed>)        = 0
[pid  5886] setpgid(0, 0)               = 0
[pid  5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5886] write(3, "1000", 4)         = 4
[pid  5886] close(3executing program
)                    = 0
[pid  5886] write(1, "executing program\n", 18) = 18
[pid  5886] memfd_create("syzkaller", 0) = 3
[pid  5886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5882] <... close resumed>)        = 0
[pid  5885] <... write resumed>)        = 16777216
[pid  5882] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5885] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5882] <... lsetxattr resumed>)    = 0
[pid  5885] <... munmap resumed>)       = 0
[pid  5882] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5882] exit_group(0)               = ?
[pid  5882] +++ exited with 0 +++
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} ---
[pid  5832] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5885] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5832] <... restart_syscall resumed>) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5885] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5885] close(3 <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5887
./strace-static-x86_64: Process 5887 attached
[pid  5887] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5887] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5884] <... write resumed>)        = 16777216
[pid  5887] <... prctl resumed>)        = 0
[pid  5887] setpgid(0, 0 <unfinished ...>
[pid  5884] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5887] <... setpgid resumed>)      = 0
[pid  5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5887] write(3, "1000", 4)         = 4
[pid  5887] close(3)                    = 0
executing program
[pid  5887] write(1, "executing program\n", 18) = 18
[pid  5887] memfd_create("syzkaller", 0) = 3
[pid  5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5884] <... munmap resumed>)       = 0
[pid  5884] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5884] close(3 <unfinished ...>
[pid  5883] <... close resumed>)        = 0
[pid  5883] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5883] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5883] exit_group(0)               = ?
[pid  5883] +++ exited with 0 +++
[pid  5886] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} ---
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5888 attached
 <unfinished ...>
[pid  5888] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5831] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5888
[pid  5888] <... set_robust_list resumed>) = 0
[pid  5888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5888] setpgid(0, 0)               = 0
[pid  5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5888] write(3, "1000", 4)         = 4
executing program
[pid  5888] close(3)                    = 0
[pid  5888] write(1, "executing program\n", 18) = 18
[pid  5888] memfd_create("syzkaller", 0) = 3
[pid  5888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5885] <... close resumed>)        = 0
[pid  5885] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5885] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5885] exit_group(0)               = ?
[pid  5885] +++ exited with 0 +++
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=14 /* 0.14 s */} ---
[pid  5838] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5889
./strace-static-x86_64: Process 5889 attached
[pid  5889] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5889] setpgid(0, 0)               = 0
[pid  5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5889] write(3, "1000", 4)         = 4
executing program
[pid  5889] close(3)                    = 0
[pid  5889] write(1, "executing program\n", 18) = 18
[pid  5889] memfd_create("syzkaller", 0) = 3
[pid  5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5884] <... close resumed>)        = 0
[pid  5884] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5887] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5884] <... lsetxattr resumed>)    = 0
[pid  5884] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5884] exit_group(0)               = ?
[pid  5884] +++ exited with 0 +++
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} ---
[pid  5833] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5890 attached
, child_tidptr=0x55555d9bc650) = 5890
[pid  5888] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5890] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5886] <... write resumed>)        = 16777216
[pid  5890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5890] setpgid(0, 0)               = 0
[pid  5886] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5886] <... munmap resumed>)       = 0
[pid  5890] write(3, "1000", 4)         = 4
[pid  5890] close(3executing program
)                    = 0
[pid  5890] write(1, "executing program\n", 18) = 18
[pid  5890] memfd_create("syzkaller", 0) = 3
[pid  5890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5886] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5889] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5886] close(3 <unfinished ...>
[pid  5887] <... write resumed>)        = 16777216
[pid  5887] munmap(0x7fecde800000, 138412032) = 0
[pid  5887] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5886] <... close resumed>)        = 0
[pid  5887] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5888] <... write resumed>)        = 16777216
[pid  5890] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5887] close(3 <unfinished ...>
[pid  5886] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5889] <... write resumed>)        = 16777216
[pid  5888] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5886] <... lsetxattr resumed>)    = 0
[pid  5886] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5886] exit_group(0)               = ?
[pid  5886] +++ exited with 0 +++
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} ---
[pid  5889] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5836] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5889] <... munmap resumed>)       = 0
[pid  5888] <... munmap resumed>)       = 0
[pid  5888] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5836] <... restart_syscall resumed>) = 0
[pid  5888] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5888] close(3 <unfinished ...>
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5891
./strace-static-x86_64: Process 5891 attached
[pid  5889] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5891] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5889] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5891] <... set_robust_list resumed>) = 0
[pid  5891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5891] setpgid(0, 0)               = 0
executing program
[pid  5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5891] write(3, "1000", 4)         = 4
[pid  5891] close(3)                    = 0
[pid  5891] write(1, "executing program\n", 18) = 18
[pid  5891] memfd_create("syzkaller", 0) = 3
[pid  5891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5889] close(3 <unfinished ...>
[pid  5888] <... close resumed>)        = 0
[pid  5888] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5888] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5888] exit_group(0)               = ?
[pid  5888] +++ exited with 0 +++
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=18 /* 0.18 s */} ---
[pid  5831] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5889] <... close resumed>)        = 0
[pid  5890] <... write resumed>)        = 16777216
[pid  5887] <... close resumed>)        = 0
[pid  5831] <... restart_syscall resumed>) = 0
[pid  5890] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5889] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5887] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5890] <... munmap resumed>)       = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5892
./strace-static-x86_64: Process 5892 attached
[pid  5889] <... lsetxattr resumed>)    = 0
[pid  5887] <... lsetxattr resumed>)    = 0
[pid  5889] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5892] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5891] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5889] <... openat resumed>)       = 3
[pid  5887] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5892] <... set_robust_list resumed>) = 0
[pid  5887] <... openat resumed>)       = 3
[pid  5892] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5887] exit_group(0 <unfinished ...>
[pid  5892] <... prctl resumed>)        = 0
[pid  5892] setpgid(0, 0 <unfinished ...>
[pid  5889] exit_group(0 <unfinished ...>
[pid  5892] <... setpgid resumed>)      = 0
[pid  5887] <... exit_group resumed>)   = ?
[pid  5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5887] +++ exited with 0 +++
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} ---
[pid  5832] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5889] <... exit_group resumed>)   = ?
[pid  5889] +++ exited with 0 +++
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=12 /* 0.12 s */} ---
[pid  5838] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5890] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5892] <... openat resumed>)       = 3
[pid  5838] <... restart_syscall resumed>) = 0
[pid  5832] <... restart_syscall resumed>) = 0
[pid  5892] write(3, "1000", 4 <unfinished ...>
[pid  5890] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5892] <... write resumed>)        = 4
executing program
[pid  5892] close(3 <unfinished ...>
[pid  5890] close(3 <unfinished ...>
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5892] <... close resumed>)        = 0
[pid  5838] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5832] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5892] write(1, "executing program\n", 18 <unfinished ...>
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5893 attached
 <unfinished ...>
[pid  5892] <... write resumed>)        = 18
[pid  5838] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5893
[pid  5832] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5894
./strace-static-x86_64: Process 5894 attached
[pid  5893] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5892] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5894] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5893] <... set_robust_list resumed>) = 0
[pid  5894] <... set_robust_list resumed>) = 0
[pid  5892] <... memfd_create resumed>) = 3
[pid  5894] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5894] <... prctl resumed>)        = 0
[pid  5893] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5894] setpgid(0, 0 <unfinished ...>
[pid  5893] <... prctl resumed>)        = 0
[pid  5892] <... mmap resumed>)         = 0x7fecde800000
[pid  5894] <... setpgid resumed>)      = 0
[pid  5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
 <unfinished ...>
[pid  5893] setpgid(0, 0 <unfinished ...>
[pid  5894] <... openat resumed>)       = 3
[pid  5893] <... setpgid resumed>)      = 0
[pid  5894] write(3, "1000", 4 <unfinished ...>
[pid  5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5894] <... write resumed>)        = 4
[pid  5894] close(3)                    = 0
[pid  5894] write(1, "executing program\n", 18) = 18
[pid  5894] memfd_create("syzkaller", 0) = 3
[pid  5893] <... openat resumed>)       = 3
[pid  5894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5893] write(3, "1000", 4)         = 4
[pid  5893] close(3)                    = 0
executing program
[pid  5893] write(1, "executing program\n", 18) = 18
[pid  5893] memfd_create("syzkaller", 0) = 3
[pid  5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5890] <... close resumed>)        = 0
[pid  5890] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5890] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5890] exit_group(0)               = ?
[pid  5890] +++ exited with 0 +++
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} ---
[pid  5833] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5895
./strace-static-x86_64: Process 5895 attached
[pid  5895] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5895] setpgid(0, 0)               = 0
[pid  5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5895] write(3, "1000", 4)         = 4
[pid  5895] close(3)                    = 0
executing program
[pid  5895] write(1, "executing program\n", 18) = 18
[pid  5895] memfd_create("syzkaller", 0) = 3
[pid  5895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5891] <... write resumed>)        = 16777216
[pid  5891] munmap(0x7fecde800000, 138412032) = 0
[pid  5894] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5892] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5891] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5893] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5891] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5891] close(3 <unfinished ...>
[pid  5895] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5891] <... close resumed>)        = 0
[pid  5891] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5891] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5891] exit_group(0)               = ?
[pid  5891] +++ exited with 0 +++
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=11 /* 0.11 s */} ---
[pid  5836] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5896
./strace-static-x86_64: Process 5896 attached
[pid  5896] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5893] <... write resumed>)        = 16777216
[pid  5896] <... set_robust_list resumed>) = 0
[pid  5896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5896] setpgid(0, 0)               = 0
[pid  5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5896] write(3, "1000", 4)         = 4
[pid  5896] close(3)                    = 0
executing program
[pid  5896] write(1, "executing program\n", 18 <unfinished ...>
[pid  5893] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5896] <... write resumed>)        = 18
[pid  5893] <... munmap resumed>)       = 0
[pid  5896] memfd_create("syzkaller", 0) = 3
[pid  5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5893] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5893] close(3 <unfinished ...>
[pid  5894] <... write resumed>)        = 16777216
[pid  5894] munmap(0x7fecde800000, 138412032) = 0
[pid  5892] <... write resumed>)        = 16777216
[pid  5894] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5892] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5894] close(3 <unfinished ...>
[pid  5892] <... munmap resumed>)       = 0
[pid  5892] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5892] close(3 <unfinished ...>
[pid  5895] <... write resumed>)        = 16777216
[pid  5895] munmap(0x7fecde800000, 138412032) = 0
[pid  5895] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5895] close(3 <unfinished ...>
[pid  5896] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5893] <... close resumed>)        = 0
[pid  5894] <... close resumed>)        = 0
[pid  5893] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5892] <... close resumed>)        = 0
[pid  5894] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5893] <... lsetxattr resumed>)    = 0
[pid  5894] <... lsetxattr resumed>)    = 0
[pid  5893] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5894] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5893] <... openat resumed>)       = 3
[pid  5894] <... openat resumed>)       = 3
[pid  5894] exit_group(0 <unfinished ...>
[pid  5893] exit_group(0 <unfinished ...>
[pid  5894] <... exit_group resumed>)   = ?
[pid  5893] <... exit_group resumed>)   = ?
[pid  5894] +++ exited with 0 +++
[pid  5893] +++ exited with 0 +++
[pid  5892] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=16 /* 0.16 s */} ---
[pid  5832] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5892] <... lsetxattr resumed>)    = 0
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 s */} ---
[pid  5892] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5838] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5892] <... openat resumed>)       = 3
[pid  5892] exit_group(0)               = ?
[pid  5892] +++ exited with 0 +++
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} ---
[pid  5831] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5838] <... restart_syscall resumed>) = 0
[pid  5832] <... restart_syscall resumed>) = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5831] <... restart_syscall resumed>) = 0
[pid  5838] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5832] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
executing program
executing program
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5897 attached
 <unfinished ...>
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5897] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5897
[pid  5831] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5897] <... set_robust_list resumed>) = 0
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5898 attached
 <unfinished ...>
[pid  5897] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5898] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5897] <... prctl resumed>)        = 0
[pid  5831] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5898
[pid  5898] <... set_robust_list resumed>) = 0
[pid  5897] setpgid(0, 0 <unfinished ...>
[pid  5898] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5897] <... setpgid resumed>)      = 0
[pid  5898] <... prctl resumed>)        = 0
[pid  5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5898] setpgid(0, 0 <unfinished ...>
[pid  5897] <... openat resumed>)       = 3
[pid  5898] <... setpgid resumed>)      = 0
[pid  5897] write(3, "1000", 4 <unfinished ...>
[pid  5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5897] <... write resumed>)        = 4
[pid  5898] <... openat resumed>)       = 3
[pid  5897] close(3 <unfinished ...>
[pid  5898] write(3, "1000", 4 <unfinished ...>
[pid  5897] <... close resumed>)        = 0
[pid  5898] <... write resumed>)        = 4
[pid  5897] write(1, "executing program\n", 18 <unfinished ...>
[pid  5898] close(3 <unfinished ...>
[pid  5897] <... write resumed>)        = 18
[pid  5898] <... close resumed>)        = 0
[pid  5897] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5898] write(1, "executing program\n", 18 <unfinished ...>
[pid  5897] <... memfd_create resumed>) = 3
[pid  5898] <... write resumed>)        = 18
[pid  5897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5898] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5897] <... mmap resumed>)         = 0x7fecde800000
./strace-static-x86_64: Process 5899 attached
[pid  5898] <... memfd_create resumed>) = 3
[pid  5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5838] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5899
[pid  5898] <... mmap resumed>)         = 0x7fecde800000
[pid  5899] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5899] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5895] <... close resumed>)        = 0
[pid  5899] <... prctl resumed>)        = 0
[pid  5895] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5899] setpgid(0, 0 <unfinished ...>
[pid  5895] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5899] <... setpgid resumed>)      = 0
[pid  5895] exit_group(0 <unfinished ...>
[pid  5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5895] <... exit_group resumed>)   = ?
[pid  5895] +++ exited with 0 +++
[pid  5899] <... openat resumed>)       = 3
[pid  5899] write(3, "1000", 4 <unfinished ...>
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=16 /* 0.16 s */} ---
[pid  5899] <... write resumed>)        = 4
[pid  5833] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5899] close(3 <unfinished ...>
[pid  5833] <... restart_syscall resumed>) = 0
[pid  5899] <... close resumed>)        = 0
executing program
[pid  5899] write(1, "executing program\n", 18) = 18
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5899] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5833] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5900
./strace-static-x86_64: Process 5900 attached
[pid  5900] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5899] <... memfd_create resumed>) = 3
[pid  5900] <... set_robust_list resumed>) = 0
[pid  5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5900] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5899] <... mmap resumed>)         = 0x7fecde800000
[pid  5900] <... prctl resumed>)        = 0
[pid  5900] setpgid(0, 0)               = 0
[pid  5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5900] write(3, "1000", 4)         = 4
[pid  5900] close(3executing program
)                    = 0
[pid  5900] write(1, "executing program\n", 18) = 18
[pid  5900] memfd_create("syzkaller", 0) = 3
[pid  5900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5896] <... write resumed>)        = 16777216
[pid  5896] munmap(0x7fecde800000, 138412032) = 0
[pid  5896] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5896] close(3 <unfinished ...>
[pid  5898] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5897] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5896] <... close resumed>)        = 0
[pid  5896] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5896] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5900] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5899] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5896] <... openat resumed>)       = 3
[pid  5896] exit_group(0)               = ?
[pid  5896] +++ exited with 0 +++
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=15 /* 0.15 s */} ---
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5901
./strace-static-x86_64: Process 5901 attached
[pid  5901] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5901] setpgid(0, 0)               = 0
[pid  5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5901] write(3, "1000", 4)         = 4
[pid  5901] close(3)                    = 0
executing program
[pid  5901] write(1, "executing program\n", 18) = 18
[pid  5901] memfd_create("syzkaller", 0) = 3
[pid  5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5897] <... write resumed>)        = 16777216
[pid  5897] munmap(0x7fecde800000, 138412032) = 0
[pid  5897] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5897] close(3 <unfinished ...>
[pid  5899] <... write resumed>)        = 16777216
[pid  5899] munmap(0x7fecde800000, 138412032) = 0
[pid  5898] <... write resumed>)        = 16777216
[pid  5900] <... write resumed>)        = 16777216
[pid  5898] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5899] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5899] close(3 <unfinished ...>
[pid  5898] <... munmap resumed>)       = 0
[pid  5900] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5898] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5900] <... munmap resumed>)       = 0
[pid  5900] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5898] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5900] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5898] close(3 <unfinished ...>
[pid  5900] close(3 <unfinished ...>
[pid  5897] <... close resumed>)        = 0
[pid  5897] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5901] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5897] <... lsetxattr resumed>)    = 0
[pid  5897] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5897] exit_group(0)               = ?
[pid  5897] +++ exited with 0 +++
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=16 /* 0.16 s */} ---
[pid  5832] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5902
./strace-static-x86_64: Process 5902 attached
[pid  5902] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5902] setpgid(0, 0)               = 0
[pid  5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5902] write(3, "1000", 4)         = 4
[pid  5902] close(3)                    = 0
executing program
[pid  5902] write(1, "executing program\n", 18) = 18
[pid  5902] memfd_create("syzkaller", 0) = 3
[pid  5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5899] <... close resumed>)        = 0
[pid  5899] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5899] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5899] exit_group(0)               = ?
[pid  5899] +++ exited with 0 +++
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5899, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=18 /* 0.18 s */} ---
[pid  5838] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5903
./strace-static-x86_64: Process 5903 attached
[pid  5903] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5903] setpgid(0, 0)               = 0
[pid  5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5903] write(3, "1000", 4)         = 4
[pid  5903] close(3)                    = 0
executing program
[pid  5903] write(1, "executing program\n", 18) = 18
[pid  5903] memfd_create("syzkaller", 0) = 3
[pid  5903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5898] <... close resumed>)        = 0
[pid  5900] <... close resumed>)        = 0
[pid  5900] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5898] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5900] <... lsetxattr resumed>)    = 0
[pid  5898] <... lsetxattr resumed>)    = 0
[pid  5900] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5898] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5900] <... openat resumed>)       = 3
[pid  5898] <... openat resumed>)       = 3
[pid  5900] exit_group(0)               = ?
[pid  5898] exit_group(0 <unfinished ...>
[pid  5900] +++ exited with 0 +++
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 s */} ---
[pid  5833] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5898] <... exit_group resumed>)   = ?
[pid  5898] +++ exited with 0 +++
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=17 /* 0.17 s */} ---
[pid  5831] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5833] <... restart_syscall resumed>) = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5831] <... restart_syscall resumed>) = 0
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5904 attached
, child_tidptr=0x55555d9bc650) = 5904
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5905
./strace-static-x86_64: Process 5905 attached
[pid  5905] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5905] setpgid(0, 0)               = 0
[pid  5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5904] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5904] setpgid(0, 0)               = 0
executing program
[pid  5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5904] write(3, "1000", 4)         = 4
[pid  5904] close(3)                    = 0
[pid  5904] write(1, "executing program\n", 18) = 18
[pid  5905] <... openat resumed>)       = 3
[pid  5904] memfd_create("syzkaller", 0) = 3
[pid  5904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5905] write(3, "1000", 4 <unfinished ...>
[pid  5904] <... mmap resumed>)         = 0x7fecde800000
[pid  5905] <... write resumed>)        = 4
[pid  5905] close(3)                    = 0
executing program
[pid  5905] write(1, "executing program\n", 18) = 18
[pid  5905] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5901] <... write resumed>)        = 16777216
[pid  5905] <... memfd_create resumed>) = 3
[pid  5905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5901] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5905] <... mmap resumed>)         = 0x7fecde800000
[pid  5901] <... munmap resumed>)       = 0
[pid  5902] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5901] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5901] close(3)                    = 0
[pid  5901] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5901] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5901] exit_group(0)               = ?
[pid  5901] +++ exited with 0 +++
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=12 /* 0.12 s */} ---
[pid  5836] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5902] <... write resumed>)        = 16777216
[pid  5836] <... restart_syscall resumed>) = 0
[pid  5902] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5903] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5906
./strace-static-x86_64: Process 5906 attached
[pid  5902] <... munmap resumed>)       = 0
[pid  5906] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5904] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5902] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5906] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5902] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5906] <... prctl resumed>)        = 0
[pid  5902] close(3 <unfinished ...>
[pid  5906] setpgid(0, 0)               = 0
[pid  5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5906] write(3, "1000", 4)         = 4
[pid  5906] close(3)                    = 0
[pid  5905] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5906] write(1, "executing program\n", 18executing program
) = 18
[pid  5906] memfd_create("syzkaller", 0) = 3
[pid  5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5903] <... write resumed>)        = 16777216
[pid  5902] <... close resumed>)        = 0
[pid  5902] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5902] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5902] exit_group(0)               = ?
[pid  5902] +++ exited with 0 +++
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} ---
[pid  5832] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5903] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5832] <... restart_syscall resumed>) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5903] <... munmap resumed>)       = 0
[pid  5903] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
executing program
[pid  5903] close(3 <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5907
./strace-static-x86_64: Process 5907 attached
[pid  5907] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5907] setpgid(0, 0)               = 0
[pid  5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5907] write(3, "1000", 4)         = 4
[pid  5907] close(3)                    = 0
[pid  5907] write(1, "executing program\n", 18) = 18
[pid  5907] memfd_create("syzkaller", 0) = 3
[pid  5907] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5904] <... write resumed>)        = 16777216
[pid  5904] munmap(0x7fecde800000, 138412032) = 0
[pid  5904] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5904] close(3 <unfinished ...>
[pid  5906] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5905] <... write resumed>)        = 16777216
[pid  5905] munmap(0x7fecde800000, 138412032) = 0
[pid  5905] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5905] close(3 <unfinished ...>
[pid  5903] <... close resumed>)        = 0
[pid  5903] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5903] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5904] <... close resumed>)        = 0
[pid  5903] <... openat resumed>)       = 3
[pid  5903] exit_group(0)               = ?
[pid  5903] +++ exited with 0 +++
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
[pid  5838] restart_syscall(<... resuming interrupted clone ...>executing program
 <unfinished ...>
[pid  5904] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5838] <... restart_syscall resumed>) = 0
[pid  5904] <... lsetxattr resumed>)    = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5908 attached
 <unfinished ...>
[pid  5908] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5838] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5908
[pid  5908] <... set_robust_list resumed>) = 0
[pid  5908] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5904] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5908] <... prctl resumed>)        = 0
[pid  5904] <... openat resumed>)       = 3
[pid  5908] setpgid(0, 0 <unfinished ...>
[pid  5904] exit_group(0 <unfinished ...>
[pid  5908] <... setpgid resumed>)      = 0
[pid  5904] <... exit_group resumed>)   = ?
[pid  5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5904] +++ exited with 0 +++
[pid  5908] <... openat resumed>)       = 3
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=15 /* 0.15 s */} ---
[pid  5908] write(3, "1000", 4 <unfinished ...>
[pid  5833] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5908] <... write resumed>)        = 4
[pid  5908] close(3)                    = 0
[pid  5908] write(1, "executing program\n", 18) = 18
[pid  5908] memfd_create("syzkaller", 0) = 3
[pid  5908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5833] <... restart_syscall resumed>) = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5909 attached
, child_tidptr=0x55555d9bc650) = 5909
[pid  5909] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5909] setpgid(0, 0)               = 0
[pid  5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5907] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5909] write(3, "1000", 4executing program
)         = 4
[pid  5909] close(3)                    = 0
[pid  5909] write(1, "executing program\n", 18) = 18
[pid  5909] memfd_create("syzkaller", 0) = 3
[pid  5909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5906] <... write resumed>)        = 16777216
[pid  5905] <... close resumed>)        = 0
[pid  5906] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5905] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5905] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5906] <... munmap resumed>)       = 0
[pid  5906] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5905] <... openat resumed>)       = 3
[pid  5905] exit_group(0 <unfinished ...>
[pid  5906] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5906] close(3 <unfinished ...>
[pid  5905] <... exit_group resumed>)   = ?
[pid  5905] +++ exited with 0 +++
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 s */} ---
[pid  5831] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5910
./strace-static-x86_64: Process 5910 attached
[pid  5910] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5910] setpgid(0, 0)               = 0
[pid  5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5910] write(3, "1000", 4)         = 4
[pid  5910] close(3)                    = 0
executing program
[pid  5910] write(1, "executing program\n", 18) = 18
[pid  5910] memfd_create("syzkaller", 0) = 3
[pid  5910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5908] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5909] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5907] <... write resumed>)        = 16777216
[pid  5906] <... close resumed>)        = 0
[pid  5907] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5906] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5910] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5907] <... munmap resumed>)       = 0
[pid  5906] <... lsetxattr resumed>)    = 0
[pid  5906] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5906] exit_group(0)               = ?
[pid  5906] +++ exited with 0 +++
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=17 /* 0.17 s */} ---
[pid  5836] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5907] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5836] <... restart_syscall resumed>) = 0
executing program
[pid  5907] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5911
./strace-static-x86_64: Process 5911 attached
[pid  5911] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5911] setpgid(0, 0)               = 0
[pid  5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5911] write(3, "1000", 4)         = 4
[pid  5911] close(3)                    = 0
[pid  5911] write(1, "executing program\n", 18) = 18
[pid  5911] memfd_create("syzkaller", 0) = 3
[pid  5911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5907] close(3 <unfinished ...>
[pid  5911] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5907] <... close resumed>)        = 0
[pid  5908] <... write resumed>)        = 16777216
[pid  5908] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5907] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5908] <... munmap resumed>)       = 0
[pid  5907] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5907] exit_group(0)               = ?
[pid  5908] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5907] +++ exited with 0 +++
[pid  5908] close(3 <unfinished ...>
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} ---
[pid  5909] <... write resumed>)        = 16777216
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5912 attached
, child_tidptr=0x55555d9bc650) = 5912
[pid  5912] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5912] setpgid(0, 0 <unfinished ...>
[pid  5909] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5912] <... setpgid resumed>)      = 0
executing program
[pid  5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5912] write(3, "1000", 4)         = 4
[pid  5912] close(3)                    = 0
[pid  5912] write(1, "executing program\n", 18) = 18
[pid  5912] memfd_create("syzkaller", 0) = 3
[pid  5912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5909] <... munmap resumed>)       = 0
[pid  5909] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5909] close(3 <unfinished ...>
[pid  5910] <... write resumed>)        = 16777216
[pid  5910] munmap(0x7fecde800000, 138412032) = 0
[pid  5910] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5910] close(3 <unfinished ...>
[pid  5908] <... close resumed>)        = 0
[pid  5908] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5908] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5908] exit_group(0)               = ?
[pid  5908] +++ exited with 0 +++
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5908, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=14 /* 0.14 s */} ---
[pid  5838] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5913 attached
, child_tidptr=0x55555d9bc650) = 5913
[pid  5913] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5913] setpgid(0, 0)               = 0
executing program
[pid  5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5913] write(3, "1000", 4)         = 4
[pid  5913] close(3)                    = 0
[pid  5913] write(1, "executing program\n", 18) = 18
[pid  5913] memfd_create("syzkaller", 0) = 3
[pid  5913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5909] <... close resumed>)        = 0
[pid  5909] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5909] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5909] exit_group(0)               = ?
[pid  5909] +++ exited with 0 +++
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=14 /* 0.14 s */} ---
[pid  5833] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5914
./strace-static-x86_64: Process 5914 attached
[pid  5914] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5914] setpgid(0, 0)               = 0
[pid  5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5912] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5914] <... openat resumed>)       = 3
[pid  5914] write(3, "1000", 4executing program
)         = 4
[pid  5914] close(3)                    = 0
[pid  5914] write(1, "executing program\n", 18) = 18
[pid  5914] memfd_create("syzkaller", 0) = 3
[pid  5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5911] <... write resumed>)        = 16777216
[pid  5910] <... close resumed>)        = 0
[pid  5911] munmap(0x7fecde800000, 138412032) = 0
[pid  5910] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5910] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5910] exit_group(0)               = ?
[pid  5911] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5910] +++ exited with 0 +++
[pid  5911] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5911] close(3 <unfinished ...>
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=14 /* 0.14 s */} ---
[pid  5831] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5915
./strace-static-x86_64: Process 5915 attached
[pid  5915] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5915] setpgid(0, 0)               = 0
[pid  5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5915] write(3, "1000", 4)         = 4
[pid  5915] close(3)                    = 0
[pid  5915] write(1, "executing program\n", 18executing program
) = 18
[pid  5915] memfd_create("syzkaller", 0) = 3
[pid  5915] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5913] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5914] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5911] <... close resumed>)        = 0
[pid  5911] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5911] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5911] exit_group(0)               = ?
[pid  5911] +++ exited with 0 +++
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5911, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=16 /* 0.16 s */} ---
[pid  5836] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5912] <... write resumed>)        = 16777216
[pid  5836] <... restart_syscall resumed>) = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5916 attached
 <unfinished ...>
[pid  5916] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5916
[pid  5916] <... set_robust_list resumed>) = 0
[pid  5912] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5916] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5912] <... munmap resumed>)       = 0
[pid  5916] <... prctl resumed>)        = 0
[pid  5916] setpgid(0, 0)               = 0
[pid  5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5916] write(3, "1000", 4)         = 4
[pid  5916] close(3executing program
)                    = 0
[pid  5912] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5916] write(1, "executing program\n", 18 <unfinished ...>
[pid  5912] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5916] <... write resumed>)        = 18
[pid  5912] close(3 <unfinished ...>
[pid  5916] memfd_create("syzkaller", 0) = 3
[pid  5916] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5915] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5913] <... write resumed>)        = 16777216
[pid  5913] munmap(0x7fecde800000, 138412032) = 0
[pid  5913] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5913] close(3 <unfinished ...>
[pid  5914] <... write resumed>)        = 16777216
[pid  5916] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5912] <... close resumed>)        = 0
[pid  5914] munmap(0x7fecde800000, 138412032) = 0
[pid  5912] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5912] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5914] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5914] close(3 <unfinished ...>
[pid  5912] <... openat resumed>)       = 3
[pid  5912] exit_group(0)               = ?
[pid  5912] +++ exited with 0 +++
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=14 /* 0.14 s */} ---
[pid  5832] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5917
./strace-static-x86_64: Process 5917 attached
[pid  5917] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5917] setpgid(0, 0)               = 0
[pid  5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5917] write(3, "1000", 4)         = 4
[pid  5917] close(3executing program
)                    = 0
[pid  5917] write(1, "executing program\n", 18) = 18
[pid  5917] memfd_create("syzkaller", 0) = 3
[pid  5917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5913] <... close resumed>)        = 0
[pid  5913] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5913] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5913] exit_group(0)               = ?
[pid  5913] +++ exited with 0 +++
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} ---
[pid  5838] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5918
executing program
./strace-static-x86_64: Process 5918 attached
[pid  5918] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5918] setpgid(0, 0)               = 0
[pid  5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5918] write(3, "1000", 4)         = 4
[pid  5918] close(3)                    = 0
[pid  5918] write(1, "executing program\n", 18) = 18
[pid  5918] memfd_create("syzkaller", 0) = 3
[pid  5918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5915] <... write resumed>)        = 16777216
[pid  5915] munmap(0x7fecde800000, 138412032) = 0
[pid  5915] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5915] close(3 <unfinished ...>
[pid  5914] <... close resumed>)        = 0
[pid  5914] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5914] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5914] exit_group(0)               = ?
[pid  5914] +++ exited with 0 +++
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=12 /* 0.12 s */} ---
[pid  5833] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5919
./strace-static-x86_64: Process 5919 attached
[pid  5919] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5919] setpgid(0, 0)               = 0
[pid  5916] <... write resumed>)        = 16777216
[pid  5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5916] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5917] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5919] <... openat resumed>)       = 3
[pid  5916] <... munmap resumed>)       = 0
[pid  5919] write(3, "1000", 4)         = 4
[pid  5919] close(3)                    = 0
executing program
[pid  5919] write(1, "executing program\n", 18 <unfinished ...>
[pid  5916] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5919] <... write resumed>)        = 18
[pid  5916] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5919] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5916] close(3 <unfinished ...>
[pid  5919] <... memfd_create resumed>) = 3
[pid  5919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5915] <... close resumed>)        = 0
[pid  5919] <... mmap resumed>)         = 0x7fecde800000
[pid  5918] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5915] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5915] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5915] exit_group(0)               = ?
[pid  5915] +++ exited with 0 +++
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 s */} ---
[pid  5831] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5920
./strace-static-x86_64: Process 5920 attached
[pid  5920] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5920] setpgid(0, 0)               = 0
[pid  5920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5920] write(3, "1000", 4)         = 4
[pid  5920] close(3)                    = 0
[pid  5920] write(1, "executing program\n", 18executing program
) = 18
[pid  5920] memfd_create("syzkaller", 0) = 3
[pid  5920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5916] <... close resumed>)        = 0
[pid  5917] <... write resumed>)        = 16777216
[pid  5917] munmap(0x7fecde800000, 138412032) = 0
[pid  5917] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5917] close(3 <unfinished ...>
[pid  5916] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5916] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5916] exit_group(0)               = ?
[pid  5916] +++ exited with 0 +++
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=21 /* 0.21 s */} ---
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5921
./strace-static-x86_64: Process 5921 attached
[pid  5921] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5921] setpgid(0, 0)               = 0
[pid  5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5921] write(3, "1000", 4)         = 4
[pid  5921] close(3)                    = 0
[pid  5921] write(1, "executing program\n", 18executing program
) = 18
[pid  5921] memfd_create("syzkaller", 0) = 3
[pid  5921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5919] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5920] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5917] <... close resumed>)        = 0
[pid  5918] <... write resumed>)        = 16777216
[pid  5917] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5917] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5917] exit_group(0)               = ?
[pid  5917] +++ exited with 0 +++
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5917, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=19 /* 0.19 s */} ---
[pid  5832] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5918] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5832] <... restart_syscall resumed>) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5918] <... munmap resumed>)       = 0
[pid  5832] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5922
./strace-static-x86_64: Process 5922 attached
[pid  5922] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5918] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5922] <... set_robust_list resumed>) = 0
[pid  5918] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5922] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5918] close(3 <unfinished ...>
[pid  5922] <... prctl resumed>)        = 0
[pid  5922] setpgid(0, 0)               = 0
[pid  5922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5922] write(3, "1000", 4)         = 4
[pid  5922] close(3)                    = 0
executing program
[pid  5922] write(1, "executing program\n", 18) = 18
[pid  5922] memfd_create("syzkaller", 0) = 3
[pid  5922] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5921] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5919] <... write resumed>)        = 16777216
[pid  5919] munmap(0x7fecde800000, 138412032) = 0
[pid  5919] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5919] close(3 <unfinished ...>
[pid  5918] <... close resumed>)        = 0
[pid  5922] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5920] <... write resumed>)        = 16777216
[pid  5918] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5920] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5918] <... lsetxattr resumed>)    = 0
[pid  5920] <... munmap resumed>)       = 0
[pid  5918] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5920] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5918] <... openat resumed>)       = 3
[pid  5920] close(3 <unfinished ...>
[pid  5918] exit_group(0)               = ?
[pid  5918] +++ exited with 0 +++
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5918, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=14 /* 0.14 s */} ---
[pid  5838] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5919] <... close resumed>)        = 0
[pid  5838] <... restart_syscall resumed>) = 0
[pid  5919] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5919] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5919] exit_group(0)               = ?
[pid  5921] <... write resumed>)        = 16777216
[pid  5919] +++ exited with 0 +++
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5919, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 s */} ---
[pid  5838] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5833] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5921] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5921] <... munmap resumed>)       = 0
[pid  5838] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5923
./strace-static-x86_64: Process 5923 attached
[pid  5923] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5921] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5833] <... restart_syscall resumed>) = 0
[pid  5923] <... set_robust_list resumed>) = 0
[pid  5921] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5923] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5921] close(3 <unfinished ...>
[pid  5923] <... prctl resumed>)        = 0
[pid  5923] setpgid(0, 0executing program
)               = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5833] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5923] <... openat resumed>)       = 3
[pid  5923] write(3, "1000", 4)         = 4
./strace-static-x86_64: Process 5924 attached
[pid  5923] close(3 <unfinished ...>
[pid  5833] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5924
[pid  5923] <... close resumed>)        = 0
[pid  5923] write(1, "executing program\n", 18) = 18
[pid  5923] memfd_create("syzkaller", 0) = 3
[pid  5923] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5924] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5920] <... close resumed>)        = 0
[pid  5924] setpgid(0, 0)               = 0
[pid  5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5924] write(3, "1000", 4)         = 4
[pid  5920] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5924] close(3 <unfinished ...>
[pid  5920] <... lsetxattr resumed>)    = 0
[pid  5924] <... close resumed>)        = 0
[pid  5920] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000executing program
 <unfinished ...>
[pid  5924] write(1, "executing program\n", 18) = 18
[pid  5920] <... openat resumed>)       = 3
[pid  5924] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5920] exit_group(0 <unfinished ...>
[pid  5924] <... memfd_create resumed>) = 3
[pid  5920] <... exit_group resumed>)   = ?
[pid  5924] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5921] <... close resumed>)        = 0
[pid  5920] +++ exited with 0 +++
[pid  5924] <... mmap resumed>)         = 0x7fecde800000
[pid  5921] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5920, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} ---
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5925
./strace-static-x86_64: Process 5925 attached
[pid  5925] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5921] <... lsetxattr resumed>)    = 0
[pid  5925] <... set_robust_list resumed>) = 0
[pid  5925] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5922] <... write resumed>)        = 16777216
[pid  5921] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5925] <... prctl resumed>)        = 0
[pid  5922] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5925] setpgid(0, 0)               = 0
[pid  5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5925] write(3, "1000", 4)         = 4
[pid  5925] close(3)                    = 0
[pid  5922] <... munmap resumed>)       = 0
[pid  5921] <... openat resumed>)       = 3
executing program
[pid  5925] write(1, "executing program\n", 18 <unfinished ...>
[pid  5921] exit_group(0 <unfinished ...>
[pid  5925] <... write resumed>)        = 18
[pid  5921] <... exit_group resumed>)   = ?
[pid  5925] memfd_create("syzkaller", 0) = 3
[pid  5925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5922] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5921] +++ exited with 0 +++
[pid  5925] <... mmap resumed>)         = 0x7fecde800000
[pid  5922] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5922] close(3 <unfinished ...>
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5921, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=17 /* 0.17 s */} ---
[pid  5836] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5926 attached
, child_tidptr=0x55555d9bc650) = 5926
[pid  5926] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5926] setpgid(0, 0)               = 0
[pid  5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5926] write(3, "1000", 4)         = 4
[pid  5926] close(3executing program
)                    = 0
[pid  5926] write(1, "executing program\n", 18) = 18
[pid  5926] memfd_create("syzkaller", 0) = 3
[pid  5926] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5923] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5922] <... close resumed>)        = 0
[pid  5924] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5922] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5922] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5922] exit_group(0)               = ?
[pid  5922] +++ exited with 0 +++
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5922, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=14 /* 0.14 s */} ---
[pid  5925] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5832] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5927
./strace-static-x86_64: Process 5927 attached
[pid  5927] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5927] setpgid(0, 0)               = 0
[pid  5927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5927] write(3, "1000", 4)         = 4
[pid  5927] close(3)                    = 0
executing program
[pid  5927] write(1, "executing program\n", 18) = 18
[pid  5927] memfd_create("syzkaller", 0) = 3
[pid  5927] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5926] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5923] <... write resumed>)        = 16777216
[pid  5923] munmap(0x7fecde800000, 138412032) = 0
[pid  5923] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5923] close(3 <unfinished ...>
[pid  5925] <... write resumed>)        = 16777216
[pid  5925] munmap(0x7fecde800000, 138412032) = 0
[pid  5925] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5925] close(3 <unfinished ...>
[pid  5927] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5924] <... write resumed>)        = 16777216
[pid  5924] munmap(0x7fecde800000, 138412032) = 0
[pid  5924] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5924] close(3 <unfinished ...>
[pid  5926] <... write resumed>)        = 16777216
[pid  5926] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5925] <... close resumed>)        = 0
[pid  5923] <... close resumed>)        = 0
[pid  5923] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5923] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5926] <... munmap resumed>)       = 0
[pid  5923] exit_group(0 <unfinished ...>
[pid  5926] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5923] <... exit_group resumed>)   = ?
[pid  5926] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5925] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5926] close(3 <unfinished ...>
[pid  5925] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5923] +++ exited with 0 +++
[pid  5925] <... openat resumed>)       = 3
[pid  5925] exit_group(0 <unfinished ...>
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5923, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=16 /* 0.16 s */} ---
[pid  5925] <... exit_group resumed>)   = ?
[pid  5838] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5925] +++ exited with 0 +++
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5925, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=14 /* 0.14 s */} ---
[pid  5831] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5838] <... restart_syscall resumed>) = 0
[pid  5831] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5831] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5928
[pid  5838] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5929
./strace-static-x86_64: Process 5929 attached
[pid  5929] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5929] setpgid(0, 0)               = 0
[pid  5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
./strace-static-x86_64: Process 5928 attached
[pid  5929] write(3, "1000", 4)         = 4
[pid  5929] close(3)                    = 0
executing program
[pid  5929] write(1, "executing program\n", 18) = 18
[pid  5929] memfd_create("syzkaller", 0) = 3
[pid  5929] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5928] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5928] setpgid(0, 0)               = 0
[pid  5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid  5928] write(3, "1000", 4)         = 4
[pid  5928] close(3)                    = 0
[pid  5928] write(1, "executing program\n", 18) = 18
[pid  5928] memfd_create("syzkaller", 0) = 3
[pid  5928] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5924] <... close resumed>)        = 0
[pid  5924] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5924] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5924] exit_group(0)               = ?
[pid  5924] +++ exited with 0 +++
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5924, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=20 /* 0.20 s */} ---
[pid  5833] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5930
./strace-static-x86_64: Process 5930 attached
[pid  5930] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5930] setpgid(0, 0)               = 0
[pid  5930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5930] write(3, "1000", 4)         = 4
[pid  5930] close(3)                    = 0
executing program
[pid  5930] write(1, "executing program\n", 18) = 18
[pid  5930] memfd_create("syzkaller", 0) = 3
[pid  5930] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5927] <... write resumed>)        = 16777216
[pid  5927] munmap(0x7fecde800000, 138412032) = 0
[pid  5927] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5927] close(3 <unfinished ...>
[pid  5926] <... close resumed>)        = 0
[pid  5926] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5926] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5926] exit_group(0)               = ?
[pid  5926] +++ exited with 0 +++
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5926, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=15 /* 0.15 s */} ---
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5931
./strace-static-x86_64: Process 5931 attached
[pid  5931] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5931] setpgid(0, 0)               = 0
[pid  5931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5931] write(3, "1000", 4)         = 4
[pid  5931] close(3)                    = 0
executing program
[pid  5931] write(1, "executing program\n", 18) = 18
[pid  5931] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5929] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5931] <... memfd_create resumed>) = 3
[pid  5931] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5928] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5930] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5927] <... close resumed>)        = 0
[pid  5927] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5927] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5927] exit_group(0)               = ?
[pid  5927] +++ exited with 0 +++
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5927, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=12 /* 0.12 s */} ---
[pid  5832] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5932
./strace-static-x86_64: Process 5932 attached
[pid  5932] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5932] setpgid(0, 0)               = 0
[pid  5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5932] write(3, "1000", 4)         = 4
[pid  5932] close(3)                    = 0
executing program
[pid  5932] write(1, "executing program\n", 18) = 18
[pid  5932] memfd_create("syzkaller", 0) = 3
[pid  5932] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5931] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5929] <... write resumed>)        = 16777216
[pid  5929] munmap(0x7fecde800000, 138412032) = 0
[pid  5929] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5929] close(3 <unfinished ...>
[pid  5928] <... write resumed>)        = 16777216
[pid  5928] munmap(0x7fecde800000, 138412032) = 0
[pid  5928] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5928] close(3 <unfinished ...>
[pid  5930] <... write resumed>)        = 16777216
[pid  5930] munmap(0x7fecde800000, 138412032) = 0
[pid  5930] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5930] close(3 <unfinished ...>
[pid  5932] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5929] <... close resumed>)        = 0
[pid  5929] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5929] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5929] exit_group(0)               = ?
[pid  5929] +++ exited with 0 +++
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5929, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=14 /* 0.14 s */} ---
[pid  5838] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5931] <... write resumed>)        = 16777216
[pid  5838] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5931] munmap(0x7fecde800000, 138412032./strace-static-x86_64: Process 5933 attached
 <unfinished ...>
[pid  5928] <... close resumed>)        = 0
[pid  5928] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5838] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5933
[pid  5933] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5933] setpgid(0, 0)               = 0
[pid  5933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5933] write(3, "1000", 4)         = 4
[pid  5933] close(3executing program
)                    = 0
[pid  5928] <... lsetxattr resumed>)    = 0
[pid  5933] write(1, "executing program\n", 18 <unfinished ...>
[pid  5928] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5933] <... write resumed>)        = 18
[pid  5933] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5928] <... openat resumed>)       = 3
[pid  5933] <... memfd_create resumed>) = 3
[pid  5933] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5928] exit_group(0)               = ?
[pid  5933] <... mmap resumed>)         = 0x7fecde800000
[pid  5928] +++ exited with 0 +++
[pid  5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5928, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=16 /* 0.16 s */} ---
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555d9bc650) = 5934
./strace-static-x86_64: Process 5934 attached
[pid  5934] set_robust_list(0x55555d9bc660, 24) = 0
[pid  5931] <... munmap resumed>)       = 0
[pid  5934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5934] setpgid(0, 0)               = 0
[pid  5934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5934] write(3, "1000", 4)         = 4
[pid  5934] close(3)                    = 0
[pid  5934] write(1, "executing program\n", 18executing program
) = 18
[pid  5931] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5934] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5930] <... close resumed>)        = 0
[pid  5934] <... memfd_create resumed>) = 3
[pid  5931] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5930] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0 <unfinished ...>
[pid  5934] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5931] close(3 <unfinished ...>
[pid  5930] <... lsetxattr resumed>)    = 0
[pid  5930] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5930] exit_group(0)               = ?
[pid  5930] +++ exited with 0 +++
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5930, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=20 /* 0.20 s */} ---
[pid  5833] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5932] <... write resumed>)        = 16777216
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5932] munmap(0x7fecde800000, 138412032 <unfinished ...>
[pid  5833] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5935
./strace-static-x86_64: Process 5935 attached
[pid  5935] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5932] <... munmap resumed>)       = 0
[pid  5935] <... set_robust_list resumed>) = 0
[pid  5935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5935] setpgid(0, 0)               = 0
[pid  5935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5935] write(3, "1000", 4)         = 4
[pid  5935] close(3)                    = 0
[pid  5935] write(1, "executing program\n", 18executing program
) = 18
[pid  5935] memfd_create("syzkaller", 0) = 3
[pid  5935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fecde800000
[pid  5932] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5932] close(3 <unfinished ...>
[pid  5933] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5931] <... close resumed>)        = 0
[pid  5931] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5931] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5931] exit_group(0)               = ?
[pid  5934] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5931] +++ exited with 0 +++
[pid  5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5931, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} ---
[pid  5836] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5932] <... close resumed>)        = 0
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5936 attached
 <unfinished ...>
[pid  5932] lsetxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\xee\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x80\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 92, 0) = 0
[pid  5836] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5936
[pid  5932] openat(AT_FDCWD, "cgroup.events", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 <unfinished ...>
[pid  5936] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5932] <... openat resumed>)       = 3
[pid  5936] <... set_robust_list resumed>) = 0
[pid  5936] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5932] exit_group(0)               = ?
[pid  5932] +++ exited with 0 +++
[pid  5936] <... prctl resumed>)        = 0
[pid  5936] setpgid(0, 0 <unfinished ...>
[pid  5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5932, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=14 /* 0.14 s */} ---
[pid  5936] <... setpgid resumed>)      = 0
[pid  5832] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5832] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5936] <... openat resumed>)       = 3
[pid  5832] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5936] write(3, "1000", 4 <unfinished ...>
[pid  5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5937 attached
 <unfinished ...>
[pid  5936] <... write resumed>)        = 4
[pid  5937] set_robust_list(0x55555d9bc660, 24 <unfinished ...>
[pid  5936] close(3 <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x55555d9bc650) = 5937
[pid  5937] <... set_robust_list resumed>) = 0
[pid  5936] <... close resumed>)        = 0
executing program
[pid  5937] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5936] write(1, "executing program\n", 18 <unfinished ...>
[pid  5937] <... prctl resumed>)        = 0
[pid  5936] <... write resumed>)        = 18
[pid  5936] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5937] setpgid(0, 0)               = 0
[pid  5936] <... memfd_create resumed>) = 3
[pid  5937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5936] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5937] <... openat resumed>)       = 3
[pid  5937] write(3, "1000", 4 <unfinished ...>
[pid  5936] <... mmap resumed>)         = 0x7fecde800000
[pid  5937] <... write resumed>)        = 4
[pid  5937] close(3)                    = 0
executing program
[pid  5937] write(1, "executing program\n", 18) = 18
[pid  5937] memfd_create("syzkaller", 0) = 3
[pid  5937] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5935] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216 <unfinished ...>
[pid  5937] <... mmap resumed>)         = 0x7fecde800000