./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3181042101

<...>
Warning: Permanently added '10.128.1.139' (ED25519) to the list of known hosts.
execve("./syz-executor3181042101", ["./syz-executor3181042101"], 0x7fffd769d5f0 /* 10 vars */) = 0
brk(NULL)                               = 0x555555eb0000
brk(0x555555eb0d00)                     = 0x555555eb0d00
arch_prctl(ARCH_SET_FS, 0x555555eb0380) = 0
set_tid_address(0x555555eb0650)         = 5061
set_robust_list(0x555555eb0660, 24)     = 0
rseq(0x555555eb0ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3181042101", 4096) = 28
getrandom("\x9c\xd1\x5f\xa9\xcd\xd9\xf6\xdb", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555eb0d00
brk(0x555555ed1d00)                     = 0x555555ed1d00
brk(0x555555ed2000)                     = 0x555555ed2000
mprotect(0x7f9dc44f7000, 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
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5062 attached
, child_tidptr=0x555555eb0650) = 5062
[pid  5062] set_robust_list(0x555555eb0660, 24) = 0
[pid  5062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5062] setpgid(0, 0)               = 0
[   75.307141][   T27] audit: type=1400 audit(1699693716.504:83): avc:  denied  { execmem } for  pid=5061 comm="syz-executor318" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   75.328309][   T27] audit: type=1400 audit(1699693716.504:84): avc:  denied  { read write } for  pid=5061 comm="syz-executor318" name="loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid  5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5062] write(3, "1000", 4)         = 4
[pid  5062] close(3)                    = 0
[pid  5062] memfd_create("syzkaller", 0) = 3
[pid  5062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[   75.353875][   T27] audit: type=1400 audit(1699693716.504:85): avc:  denied  { open } for  pid=5061 comm="syz-executor318" path="/dev/loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid  5062] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5062] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   75.385796][   T27] audit: type=1400 audit(1699693716.504:86): avc:  denied  { ioctl } for  pid=5061 comm="syz-executor318" path="/dev/loop0" dev="devtmpfs" ino=648 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid  5062] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5062] close(3)                    = 0
[pid  5062] mkdir("./bus", 0777)        = 0
[   75.429938][ T5062] loop0: detected capacity change from 0 to 2048
[   75.451995][   T27] audit: type=1400 audit(1699693716.644:87): avc:  denied  { mounton } for  pid=5062 comm="syz-executor318" path="/root/bus" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid  5062] mount("/dev/loop0", "./bus", "nilfs2", MS_NOEXEC|MS_NODIRATIME, "") = 0
[pid  5062] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5062] chdir("./bus")              = 0
[pid  5062] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5062] close(4)                    = 0
[   75.472178][ T5064] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   75.481961][   T27] audit: type=1400 audit(1699693716.674:88): avc:  denied  { mount } for  pid=5062 comm="syz-executor318" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1
[pid  5062] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 4
[pid  5062] exit_group(0)               = ?
[pid  5062] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5062, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555eb0650) = 5065
[   75.536007][   T27] audit: type=1400 audit(1699693716.724:89): avc:  denied  { write } for  pid=5062 comm="syz-executor318" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
./strace-static-x86_64: Process 5065 attached
[pid  5065] set_robust_list(0x555555eb0660, 24) = 0
[pid  5065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5065] setpgid(0, 0)               = 0
[   75.574479][   T27] audit: type=1400 audit(1699693716.724:90): avc:  denied  { add_name } for  pid=5062 comm="syz-executor318" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[   75.595807][   T27] audit: type=1400 audit(1699693716.724:91): avc:  denied  { create } for  pid=5062 comm="syz-executor318" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[pid  5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5065] write(3, "1000", 4)         = 4
[pid  5065] close(3)                    = 0
[pid  5065] memfd_create("syzkaller", 0) = 3
[pid  5065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5065] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5065] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5065] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5065] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[   75.617093][   T27] audit: type=1400 audit(1699693716.724:92): avc:  denied  { associate } for  pid=5062 comm="syz-executor318" name="bus" scontext=root:object_r:unlabeled_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1
[pid  5065] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5065] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5065] close(4)                    = 0
[pid  5065] close(3)                    = 0
[pid  5065] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5065] exit_group(0)               = ?
[pid  5065] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5065, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5066 attached
, child_tidptr=0x555555eb0650) = 5066
[pid  5066] set_robust_list(0x555555eb0660, 24) = 0
[pid  5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5066] setpgid(0, 0)               = 0
[pid  5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5066] write(3, "1000", 4)         = 4
[pid  5066] close(3)                    = 0
[pid  5066] memfd_create("syzkaller", 0) = 3
[pid  5066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5066] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5066] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5066] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5066] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5066] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5066] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5066] close(4)                    = 0
[pid  5066] close(3)                    = 0
[pid  5066] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5066] exit_group(0)               = ?
[pid  5066] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5066, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5067 attached
, child_tidptr=0x555555eb0650) = 5067
[pid  5067] set_robust_list(0x555555eb0660, 24) = 0
[pid  5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5067] setpgid(0, 0)               = 0
[pid  5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5067] write(3, "1000", 4)         = 4
[pid  5067] close(3)                    = 0
[pid  5067] memfd_create("syzkaller", 0) = 3
[pid  5067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5067] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5067] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5067] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5067] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5067] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5067] close(4)                    = 0
[pid  5067] close(3)                    = 0
[pid  5067] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5067] exit_group(0)               = ?
[pid  5067] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5068 attached
, child_tidptr=0x555555eb0650) = 5068
[pid  5068] set_robust_list(0x555555eb0660, 24) = 0
[pid  5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5068] setpgid(0, 0)               = 0
[pid  5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5068] write(3, "1000", 4)         = 4
[pid  5068] close(3)                    = 0
[pid  5068] memfd_create("syzkaller", 0) = 3
[pid  5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5068] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5068] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5068] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5068] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5068] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5068] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5068] close(4)                    = 0
[pid  5068] close(3)                    = 0
[pid  5068] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5068] exit_group(0)               = ?
[pid  5068] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5069 attached
, child_tidptr=0x555555eb0650) = 5069
[pid  5069] set_robust_list(0x555555eb0660, 24) = 0
[pid  5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5069] setpgid(0, 0)               = 0
[pid  5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5069] write(3, "1000", 4)         = 4
[pid  5069] close(3)                    = 0
[pid  5069] memfd_create("syzkaller", 0) = 3
[pid  5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5069] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5069] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5069] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5069] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5069] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5069] close(4)                    = 0
[pid  5069] close(3)                    = 0
[pid  5069] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5069] exit_group(0)               = ?
[pid  5069] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5070 attached
, child_tidptr=0x555555eb0650) = 5070
[pid  5070] set_robust_list(0x555555eb0660, 24) = 0
[pid  5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5070] setpgid(0, 0)               = 0
[pid  5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5070] write(3, "1000", 4)         = 4
[pid  5070] close(3)                    = 0
[pid  5070] memfd_create("syzkaller", 0) = 3
[pid  5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5070] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5070] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5070] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5070] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5070] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5070] close(4)                    = 0
[pid  5070] close(3)                    = 0
[pid  5070] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5070] exit_group(0)               = ?
[pid  5070] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5071 attached
 <unfinished ...>
[pid  5071] set_robust_list(0x555555eb0660, 24 <unfinished ...>
[pid  5061] <... clone resumed>, child_tidptr=0x555555eb0650) = 5071
[pid  5071] <... set_robust_list resumed>) = 0
[pid  5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5071] setpgid(0, 0)               = 0
[pid  5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5071] write(3, "1000", 4)         = 4
[pid  5071] close(3)                    = 0
[pid  5071] memfd_create("syzkaller", 0) = 3
[pid  5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5071] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5071] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5071] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5071] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5071] close(4)                    = 0
[pid  5071] close(3)                    = 0
[pid  5071] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5071] exit_group(0)               = ?
[pid  5071] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5072 attached
, child_tidptr=0x555555eb0650) = 5072
[pid  5072] set_robust_list(0x555555eb0660, 24) = 0
[pid  5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5072] setpgid(0, 0)               = 0
[pid  5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5072] write(3, "1000", 4)         = 4
[pid  5072] close(3)                    = 0
[pid  5072] memfd_create("syzkaller", 0) = 3
[pid  5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5072] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5072] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5072] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5072] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5072] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5072] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5072] close(4)                    = 0
[pid  5072] close(3)                    = 0
[pid  5072] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5072] exit_group(0)               = ?
[pid  5072] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5073 attached
, child_tidptr=0x555555eb0650) = 5073
[pid  5073] set_robust_list(0x555555eb0660, 24) = 0
[pid  5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5073] setpgid(0, 0)               = 0
[pid  5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5073] write(3, "1000", 4)         = 4
[pid  5073] close(3)                    = 0
[pid  5073] memfd_create("syzkaller", 0) = 3
[pid  5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5073] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5073] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5073] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5073] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5073] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5073] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5073] close(4)                    = 0
[pid  5073] close(3)                    = 0
[pid  5073] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5073] exit_group(0)               = ?
[pid  5073] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5074 attached
, child_tidptr=0x555555eb0650) = 5074
[pid  5074] set_robust_list(0x555555eb0660, 24) = 0
[pid  5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5074] setpgid(0, 0)               = 0
[pid  5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "1000", 4)         = 4
[pid  5074] close(3)                    = 0
[pid  5074] memfd_create("syzkaller", 0) = 3
[pid  5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5074] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5074] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5074] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5074] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5074] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5074] close(4)                    = 0
[pid  5074] close(3)                    = 0
[pid  5074] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5074] exit_group(0)               = ?
[pid  5074] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5075 attached
, child_tidptr=0x555555eb0650) = 5075
[pid  5075] set_robust_list(0x555555eb0660, 24) = 0
[pid  5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5075] setpgid(0, 0)               = 0
[pid  5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5075] write(3, "1000", 4)         = 4
[pid  5075] close(3)                    = 0
[pid  5075] memfd_create("syzkaller", 0) = 3
[pid  5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5075] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5075] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5075] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5075] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5075] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5075] close(4)                    = 0
[pid  5075] close(3)                    = 0
[pid  5075] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5075] exit_group(0)               = ?
[pid  5075] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5076 attached
, child_tidptr=0x555555eb0650) = 5076
[pid  5076] set_robust_list(0x555555eb0660, 24) = 0
[pid  5076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5076] setpgid(0, 0)               = 0
[pid  5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5076] write(3, "1000", 4)         = 4
[pid  5076] close(3)                    = 0
[pid  5076] memfd_create("syzkaller", 0) = 3
[pid  5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5076] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5076] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5076] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5076] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5076] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5076] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5076] close(4)                    = 0
[pid  5076] close(3)                    = 0
[pid  5076] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5076] exit_group(0)               = ?
[pid  5076] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5077 attached
, child_tidptr=0x555555eb0650) = 5077
[pid  5077] set_robust_list(0x555555eb0660, 24) = 0
[pid  5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5077] setpgid(0, 0)               = 0
[pid  5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5077] write(3, "1000", 4)         = 4
[pid  5077] close(3)                    = 0
[pid  5077] memfd_create("syzkaller", 0) = 3
[pid  5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5077] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5077] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5077] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5077] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5077] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5077] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5077] close(4)                    = 0
[pid  5077] close(3)                    = 0
[pid  5077] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5077] exit_group(0)               = ?
[pid  5077] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5078 attached
, child_tidptr=0x555555eb0650) = 5078
[pid  5078] set_robust_list(0x555555eb0660, 24) = 0
[pid  5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5078] setpgid(0, 0)               = 0
[pid  5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5078] write(3, "1000", 4)         = 4
[pid  5078] close(3)                    = 0
[pid  5078] memfd_create("syzkaller", 0) = 3
[pid  5078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5078] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5078] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5078] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5078] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5078] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5078] close(4)                    = 0
[pid  5078] close(3)                    = 0
[pid  5078] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5078] exit_group(0)               = ?
[pid  5078] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5079 attached
, child_tidptr=0x555555eb0650) = 5079
[pid  5079] set_robust_list(0x555555eb0660, 24) = 0
[pid  5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5079] setpgid(0, 0)               = 0
[pid  5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5079] write(3, "1000", 4)         = 4
[pid  5079] close(3)                    = 0
[pid  5079] memfd_create("syzkaller", 0) = 3
[pid  5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5079] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5079] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5079] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5079] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5079] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5079] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5079] close(4)                    = 0
[pid  5079] close(3)                    = 0
[pid  5079] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5079] exit_group(0)               = ?
[pid  5079] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5080 attached
, child_tidptr=0x555555eb0650) = 5080
[pid  5080] set_robust_list(0x555555eb0660, 24) = 0
[pid  5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5080] setpgid(0, 0)               = 0
[pid  5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5080] write(3, "1000", 4)         = 4
[pid  5080] close(3)                    = 0
[pid  5080] memfd_create("syzkaller", 0) = 3
[pid  5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5080] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5080] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5080] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5080] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5080] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5080] close(4)                    = 0
[pid  5080] close(3)                    = 0
[pid  5080] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5080] exit_group(0)               = ?
[pid  5080] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5081 attached
, child_tidptr=0x555555eb0650) = 5081
[pid  5081] set_robust_list(0x555555eb0660, 24) = 0
[pid  5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5081] setpgid(0, 0)               = 0
[pid  5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5081] write(3, "1000", 4)         = 4
[pid  5081] close(3)                    = 0
[pid  5081] memfd_create("syzkaller", 0) = 3
[pid  5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5081] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5081] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5081] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5081] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5081] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5081] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5081] close(4)                    = 0
[pid  5081] close(3)                    = 0
[pid  5081] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5081] exit_group(0)               = ?
[pid  5081] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5082 attached
, child_tidptr=0x555555eb0650) = 5082
[pid  5082] set_robust_list(0x555555eb0660, 24) = 0
[pid  5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5082] setpgid(0, 0)               = 0
[pid  5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5082] write(3, "1000", 4)         = 4
[pid  5082] close(3)                    = 0
[pid  5082] memfd_create("syzkaller", 0) = 3
[pid  5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5082] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5082] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5082] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5082] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5082] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5082] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5082] close(4)                    = 0
[pid  5082] close(3)                    = 0
[pid  5082] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5082] exit_group(0)               = ?
[pid  5082] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5083 attached
, child_tidptr=0x555555eb0650) = 5083
[pid  5083] set_robust_list(0x555555eb0660, 24) = 0
[pid  5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5083] setpgid(0, 0)               = 0
[pid  5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5083] write(3, "1000", 4)         = 4
[pid  5083] close(3)                    = 0
[pid  5083] memfd_create("syzkaller", 0) = 3
[pid  5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5083] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5083] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5083] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5083] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5083] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5083] close(4)                    = 0
[pid  5083] close(3)                    = 0
[pid  5083] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5083] exit_group(0)               = ?
[pid  5083] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5084 attached
, child_tidptr=0x555555eb0650) = 5084
[pid  5084] set_robust_list(0x555555eb0660, 24) = 0
[pid  5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5084] setpgid(0, 0)               = 0
[pid  5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5084] write(3, "1000", 4)         = 4
[pid  5084] close(3)                    = 0
[pid  5084] memfd_create("syzkaller", 0) = 3
[pid  5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5084] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5084] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5084] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5084] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5084] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5084] close(4)                    = 0
[pid  5084] close(3)                    = 0
[pid  5084] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5084] exit_group(0)               = ?
[pid  5084] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5085 attached
, child_tidptr=0x555555eb0650) = 5085
[pid  5085] set_robust_list(0x555555eb0660, 24) = 0
[pid  5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5085] setpgid(0, 0)               = 0
[pid  5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5085] write(3, "1000", 4)         = 4
[pid  5085] close(3)                    = 0
[pid  5085] memfd_create("syzkaller", 0) = 3
[pid  5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5085] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5085] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5085] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5085] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5085] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5085] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5085] close(4)                    = 0
[pid  5085] close(3)                    = 0
[pid  5085] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5085] exit_group(0)               = ?
[pid  5085] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5086 attached
, child_tidptr=0x555555eb0650) = 5086
[pid  5086] set_robust_list(0x555555eb0660, 24) = 0
[pid  5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5086] setpgid(0, 0)               = 0
[pid  5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5086] write(3, "1000", 4)         = 4
[pid  5086] close(3)                    = 0
[pid  5086] memfd_create("syzkaller", 0) = 3
[pid  5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5086] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5086] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5086] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5086] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5086] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5086] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5086] close(4)                    = 0
[pid  5086] close(3)                    = 0
[pid  5086] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5086] exit_group(0)               = ?
[pid  5086] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5087 attached
, child_tidptr=0x555555eb0650) = 5087
[pid  5087] set_robust_list(0x555555eb0660, 24) = 0
[pid  5087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5087] setpgid(0, 0)               = 0
[pid  5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5087] write(3, "1000", 4)         = 4
[pid  5087] close(3)                    = 0
[pid  5087] memfd_create("syzkaller", 0) = 3
[pid  5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5087] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5087] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5087] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5087] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5087] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5087] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5087] close(4)                    = 0
[pid  5087] close(3)                    = 0
[pid  5087] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5087] exit_group(0)               = ?
[pid  5087] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5088 attached
, child_tidptr=0x555555eb0650) = 5088
[pid  5088] set_robust_list(0x555555eb0660, 24) = 0
[pid  5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5088] setpgid(0, 0)               = 0
[pid  5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5088] write(3, "1000", 4)         = 4
[pid  5088] close(3)                    = 0
[pid  5088] memfd_create("syzkaller", 0) = 3
[pid  5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5088] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5088] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5088] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5088] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5088] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5088] close(4)                    = 0
[pid  5088] close(3)                    = 0
[pid  5088] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5088] exit_group(0)               = ?
[pid  5088] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached
 <unfinished ...>
[pid  5089] set_robust_list(0x555555eb0660, 24) = 0
[pid  5089] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5061] <... clone resumed>, child_tidptr=0x555555eb0650) = 5089
[pid  5089] <... prctl resumed>)        = 0
[pid  5089] setpgid(0, 0)               = 0
[pid  5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5089] write(3, "1000", 4)         = 4
[pid  5089] close(3)                    = 0
[pid  5089] memfd_create("syzkaller", 0) = 3
[pid  5089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5089] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5089] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5089] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5089] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5089] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5089] close(4)                    = 0
[pid  5089] close(3)                    = 0
[pid  5089] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5089] exit_group(0)               = ?
[pid  5089] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5090 attached
, child_tidptr=0x555555eb0650) = 5090
[pid  5090] set_robust_list(0x555555eb0660, 24) = 0
[pid  5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5090] setpgid(0, 0)               = 0
[pid  5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5090] write(3, "1000", 4)         = 4
[pid  5090] close(3)                    = 0
[pid  5090] memfd_create("syzkaller", 0) = 3
[pid  5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5090] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5090] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5090] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5090] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5090] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5090] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5090] close(4)                    = 0
[pid  5090] close(3)                    = 0
[pid  5090] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5090] exit_group(0)               = ?
[pid  5090] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached
, child_tidptr=0x555555eb0650) = 5091
[pid  5091] set_robust_list(0x555555eb0660, 24) = 0
[pid  5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5091] setpgid(0, 0)               = 0
[pid  5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5091] write(3, "1000", 4)         = 4
[pid  5091] close(3)                    = 0
[pid  5091] memfd_create("syzkaller", 0) = 3
[pid  5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5091] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5091] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5091] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5091] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5091] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5091] close(4)                    = 0
[pid  5091] close(3)                    = 0
[pid  5091] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5091] exit_group(0)               = ?
[pid  5091] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5092 attached
, child_tidptr=0x555555eb0650) = 5092
[pid  5092] set_robust_list(0x555555eb0660, 24) = 0
[pid  5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5092] setpgid(0, 0)               = 0
[pid  5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5092] write(3, "1000", 4)         = 4
[pid  5092] close(3)                    = 0
[pid  5092] memfd_create("syzkaller", 0) = 3
[pid  5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5092] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5092] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5092] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5092] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5092] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5092] close(4)                    = 0
[pid  5092] close(3)                    = 0
[pid  5092] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5092] exit_group(0)               = ?
[pid  5092] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5093 attached
, child_tidptr=0x555555eb0650) = 5093
[pid  5093] set_robust_list(0x555555eb0660, 24) = 0
[pid  5093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5093] setpgid(0, 0)               = 0
[pid  5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5093] write(3, "1000", 4)         = 4
[pid  5093] close(3)                    = 0
[pid  5093] memfd_create("syzkaller", 0) = 3
[pid  5093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5093] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5093] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5093] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5093] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5093] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5093] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5093] close(4)                    = 0
[pid  5093] close(3)                    = 0
[pid  5093] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5093] exit_group(0)               = ?
[pid  5093] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5094 attached
 <unfinished ...>
[pid  5094] set_robust_list(0x555555eb0660, 24 <unfinished ...>
[pid  5061] <... clone resumed>, child_tidptr=0x555555eb0650) = 5094
[pid  5094] <... set_robust_list resumed>) = 0
[pid  5094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5094] setpgid(0, 0)               = 0
[pid  5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5094] write(3, "1000", 4)         = 4
[pid  5094] close(3)                    = 0
[pid  5094] memfd_create("syzkaller", 0) = 3
[pid  5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[pid  5094] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5094] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5094] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5094] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5094] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5094] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5094] close(4)                    = 0
[pid  5094] close(3)                    = 0
[pid  5094] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5094] exit_group(0)               = ?
[pid  5094] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached
, child_tidptr=0x555555eb0650) = 5095
[pid  5095] set_robust_list(0x555555eb0660, 24) = 0
[pid  5095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5095] setpgid(0, 0)               = 0
[pid  5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5095] write(3, "1000", 4)         = 4
[pid  5095] close(3)                    = 0
[   80.603966][ T5064] ------------[ cut here ]------------
[   80.609798][ T5064] WARNING: CPU: 0 PID: 5064 at fs/nilfs2/sufile.c:539 nilfs_sufile_set_segment_usage+0x47c/0x590
[   80.620515][ T5064] Modules linked in:
[   80.624579][ T5064] CPU: 0 PID: 5064 Comm: segctord Not tainted 6.6.0-syzkaller-16039-gac347a0655db #0
[   80.634453][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[   80.644597][ T5064] RIP: 0010:nilfs_sufile_set_segment_usage+0x47c/0x590
[pid  5095] memfd_create("syzkaller", 0) = 3
[pid  5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[   80.651815][ T5064] Code: e8 49 a7 9c fe f0 80 8b b0 fe ff ff 02 e8 dc 6e 46 fe 4c 8b 6c 24 40 4d 85 ed 0f 85 63 ff ff ff e9 6b ff ff ff e8 c4 6e 46 fe <0f> 0b e9 18 fe ff ff e8 b8 6e 46 fe e8 c3 55 bf fd e9 d9 fe ff ff
[   80.671541][ T5064] RSP: 0018:ffffc900033ef968 EFLAGS: 00010293
[   80.678396][ T5064] RAX: 0000000000000000 RBX: ffff888076af4218 RCX: ffffffff83412a3f
[   80.686489][ T5064] RDX: ffff88801ff2a100 RSI: ffffffff83412c2c RDI: 0000000000000005
[   80.694852][ T5064] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
[pid  5095] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5095] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5095] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5095] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[   80.702920][ T5064] R10: 0000000000000004 R11: 0000000000000000 R12: 1ffff9200067df31
[   80.711128][ T5064] R13: ffff888020ab6060 R14: 00000000654f4499 R15: ffff888076af46a0
[   80.719139][ T5064] FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[   80.728179][ T5064] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.734784][ T5064] CR2: 00007fff6fc82d78 CR3: 000000007b360000 CR4: 00000000003506f0
[   80.743887][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[pid  5095] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5095] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5095] close(4)                    = 0
[pid  5095] close(3)                    = 0
[   80.751969][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   80.760331][ T5064] Call Trace:
[   80.763605][ T5064]  <TASK>
[   80.766589][ T5064]  ? show_regs+0x8f/0xa0
[   80.770862][ T5064]  ? __warn+0xe6/0x380
[   80.774925][ T5064]  ? nilfs_sufile_set_segment_usage+0x47c/0x590
[   80.781243][ T5064]  ? report_bug+0x3bc/0x580
[   80.785842][ T5064]  ? handle_bug+0x3c/0x70
[   80.790576][ T5064]  ? exc_invalid_op+0x17/0x40
[   80.795295][ T5064]  ? asm_exc_invalid_op+0x1a/0x20
[pid  5095] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5095] exit_group(0)               = ?
[pid  5095] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached
, child_tidptr=0x555555eb0650) = 5096
[pid  5096] set_robust_list(0x555555eb0660, 24) = 0
[pid  5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5096] setpgid(0, 0)               = 0
[pid  5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5096] write(3, "1000", 4)         = 4
[pid  5096] close(3)                    = 0
[pid  5096] memfd_create("syzkaller", 0) = 3
[pid  5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[   80.800449][ T5064]  ? nilfs_sufile_set_segment_usage+0x28f/0x590
[   80.806804][ T5064]  ? nilfs_sufile_set_segment_usage+0x47c/0x590
[   80.813753][ T5064]  ? nilfs_sufile_set_segment_usage+0x47c/0x590
[   80.820786][ T5064]  ? nilfs_sufile_set_segment_usage+0x47c/0x590
[   80.827150][ T5064]  ? nilfs_sufile_mark_dirty+0x4b0/0x4b0
[   80.833854][ T5064]  nilfs_segctor_do_construct+0x1d94/0x8bf0
[   80.841011][ T5064]  ? nilfs_segctor_abort_construction+0xe50/0xe50
[   80.847563][ T5064]  ? nilfs_segctor_confirm+0x103/0x190
[pid  5096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5096] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5096] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5096] ioctl(4, LOOP_CLR_FD)       = 0
[   80.853154][ T5064]  ? do_raw_spin_lock+0x12e/0x2b0
[   80.858300][ T5064]  ? spin_bug+0x1d0/0x1d0
[   80.862677][ T5064]  ? do_raw_spin_unlock+0x173/0x230
[   80.868025][ T5064]  ? _raw_spin_unlock+0x28/0x40
[   80.872913][ T5064]  nilfs_segctor_construct+0x924/0xb50
[   80.878967][ T5064]  ? trace_nilfs2_transaction_transition+0x17d/0x1c0
[   80.885760][ T5064]  ? nilfs_transaction_lock+0x410/0x410
[   80.891372][ T5064]  ? rcu_is_watching+0x12/0xb0
[   80.896218][ T5064]  ? trace_nilfs2_transaction_transition+0x17d/0x1c0
[pid  5096] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5096] close(4)                    = 0
[pid  5096] close(3)                    = 0
[pid  5096] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5096] exit_group(0)               = ?
[pid  5096] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5097 attached
, child_tidptr=0x555555eb0650) = 5097
[pid  5097] set_robust_list(0x555555eb0660, 24) = 0
[pid  5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5097] setpgid(0, 0)               = 0
[   80.903312][ T5064]  nilfs_segctor_thread+0x38f/0xe90
[   80.908709][ T5064]  ? nilfs_segctor_construct+0xb50/0xb50
[   80.915083][ T5064]  ? __kthread_parkme+0xba/0x220
[   80.920370][ T5064]  ? reacquire_held_locks+0x4b0/0x4b0
[   80.926282][ T5064]  ? cpuusage_read+0x10/0x10
[   80.931337][ T5064]  ? lockdep_hardirqs_on+0x7d/0x100
[   80.937098][ T5064]  ? __kthread_parkme+0x14b/0x220
[   80.942167][ T5064]  ? nilfs_segctor_construct+0xb50/0xb50
[   80.947921][ T5064]  kthread+0x33c/0x440
[pid  5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5097] write(3, "1000", 4)         = 4
[pid  5097] close(3)                    = 0
[pid  5097] memfd_create("syzkaller", 0) = 3
[pid  5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9dbc045000
[   80.952357][ T5064]  ? _raw_spin_unlock_irq+0x23/0x50
[   80.958049][ T5064]  ? kthread_complete_and_exit+0x40/0x40
[   80.964355][ T5064]  ret_from_fork+0x45/0x80
[   80.968884][ T5064]  ? kthread_complete_and_exit+0x40/0x40
[   80.974551][ T5064]  ret_from_fork_asm+0x11/0x20
[   80.979444][ T5064]  </TASK>
[   80.982520][ T5064] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   80.989828][ T5064] CPU: 0 PID: 5064 Comm: segctord Not tainted 6.6.0-syzkaller-16039-gac347a0655db #0
[pid  5097] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  5097] munmap(0x7f9dbc045000, 138412032) = 0
[pid  5097] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5097] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5097] ioctl(4, LOOP_CLR_FD)       = 0
[   80.999314][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[   81.009512][ T5064] Call Trace:
[   81.012804][ T5064]  <TASK>
[   81.015757][ T5064]  dump_stack_lvl+0xd9/0x1b0
[   81.020381][ T5064]  panic+0x6dc/0x790
[   81.024295][ T5064]  ? panic_smp_self_stop+0xa0/0xa0
[   81.029425][ T5064]  ? show_trace_log_lvl+0x363/0x4f0
[   81.034641][ T5064]  ? check_panic_on_warn+0x1f/0xb0
[   81.039772][ T5064]  ? nilfs_sufile_set_segment_usage+0x47c/0x590
[   81.046043][ T5064]  check_panic_on_warn+0xab/0xb0
[   81.050993][ T5064]  __warn+0xf2/0x380
[pid  5097] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5097] close(4)                    = 0
[   81.054905][ T5064]  ? nilfs_sufile_set_segment_usage+0x47c/0x590
[   81.061150][ T5064]  report_bug+0x3bc/0x580
[   81.065486][ T5064]  handle_bug+0x3c/0x70
[   81.069666][ T5064]  exc_invalid_op+0x17/0x40
[   81.074179][ T5064]  asm_exc_invalid_op+0x1a/0x20
[   81.079063][ T5064] RIP: 0010:nilfs_sufile_set_segment_usage+0x47c/0x590
[   81.086040][ T5064] Code: e8 49 a7 9c fe f0 80 8b b0 fe ff ff 02 e8 dc 6e 46 fe 4c 8b 6c 24 40 4d 85 ed 0f 85 63 ff ff ff e9 6b ff ff ff e8 c4 6e 46 fe <0f> 0b e9 18 fe ff ff e8 b8 6e 46 fe e8 c3 55 bf fd e9 d9 fe ff ff
[   81.105685][ T5064] RSP: 0018:ffffc900033ef968 EFLAGS: 00010293
[   81.111761][ T5064] RAX: 0000000000000000 RBX: ffff888076af4218 RCX: ffffffff83412a3f
[   81.119819][ T5064] RDX: ffff88801ff2a100 RSI: ffffffff83412c2c RDI: 0000000000000005
[   81.127795][ T5064] RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
[   81.135776][ T5064] R10: 0000000000000004 R11: 0000000000000000 R12: 1ffff9200067df31
[   81.143756][ T5064] R13: ffff888020ab6060 R14: 00000000654f4499 R15: ffff888076af46a0
[   81.151733][ T5064]  ? nilfs_sufile_set_segment_usage+0x28f/0x590
[   81.157990][ T5064]  ? nilfs_sufile_set_segment_usage+0x47c/0x590
[   81.164244][ T5064]  ? nilfs_sufile_set_segment_usage+0x47c/0x590
[   81.170494][ T5064]  ? nilfs_sufile_mark_dirty+0x4b0/0x4b0
[   81.176136][ T5064]  nilfs_segctor_do_construct+0x1d94/0x8bf0
[   81.182044][ T5064]  ? nilfs_segctor_abort_construction+0xe50/0xe50
[   81.188467][ T5064]  ? nilfs_segctor_confirm+0x103/0x190
[   81.193955][ T5064]  ? do_raw_spin_lock+0x12e/0x2b0
[   81.199013][ T5064]  ? spin_bug+0x1d0/0x1d0
[   81.203352][ T5064]  ? do_raw_spin_unlock+0x173/0x230
[   81.208568][ T5064]  ? _raw_spin_unlock+0x28/0x40
[   81.213467][ T5064]  nilfs_segctor_construct+0x924/0xb50
[   81.218952][ T5064]  ? trace_nilfs2_transaction_transition+0x17d/0x1c0
[   81.225643][ T5064]  ? nilfs_transaction_lock+0x410/0x410
[   81.231288][ T5064]  ? rcu_is_watching+0x12/0xb0
[   81.236156][ T5064]  ? trace_nilfs2_transaction_transition+0x17d/0x1c0
[   81.242861][ T5064]  nilfs_segctor_thread+0x38f/0xe90
[   81.248078][ T5064]  ? nilfs_segctor_construct+0xb50/0xb50
[   81.253717][ T5064]  ? __kthread_parkme+0xba/0x220
[   81.259956][ T5064]  ? reacquire_held_locks+0x4b0/0x4b0
[   81.265552][ T5064]  ? cpuusage_read+0x10/0x10
[   81.270149][ T5064]  ? lockdep_hardirqs_on+0x7d/0x100
[   81.275351][ T5064]  ? __kthread_parkme+0x14b/0x220
[   81.280379][ T5064]  ? nilfs_segctor_construct+0xb50/0xb50
[   81.286020][ T5064]  kthread+0x33c/0x440
[   81.290101][ T5064]  ? _raw_spin_unlock_irq+0x23/0x50
[   81.295312][ T5064]  ? kthread_complete_and_exit+0x40/0x40
[   81.301122][ T5064]  ret_from_fork+0x45/0x80
[   81.305544][ T5064]  ? kthread_complete_and_exit+0x40/0x40
[   81.311180][ T5064]  ret_from_fork_asm+0x11/0x20
[   81.315955][ T5064]  </TASK>
[   81.319248][ T5064] Kernel Offset: disabled
[   81.323649][ T5064] Rebooting in 86400 seconds..