./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3561727504

<...>
Warning: Permanently added '10.128.0.7' (ED25519) to the list of known hosts.
execve("./syz-executor3561727504", ["./syz-executor3561727504"], 0x7fff92074a20 /* 10 vars */) = 0
brk(NULL)                               = 0x55556229b000
brk(0x55556229bd00)                     = 0x55556229bd00
arch_prctl(ARCH_SET_FS, 0x55556229b380) = 0
set_tid_address(0x55556229b650)         = 5049
set_robust_list(0x55556229b660, 24)     = 0
rseq(0x55556229bca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3561727504", 4096) = 28
getrandom("\x88\x29\xad\x11\x25\x91\x5e\x7c", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556229bd00
brk(0x5555622bcd00)                     = 0x5555622bcd00
brk(0x5555622bd000)                     = 0x5555622bd000
mprotect(0x7feec8840000, 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, child_tidptr=0x55556229b650) = 5050
./strace-static-x86_64: Process 5050 attached
[pid  5050] set_robust_list(0x55556229b660, 24) = 0
[pid  5050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5050] setpgid(0, 0)               = 0
[pid  5050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5050] write(3, "1000", 4executing program
)         = 4
[pid  5050] close(3)                    = 0
[pid  5050] write(1, "executing program\n", 18) = 18
[pid  5050] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5050] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5050] memfd_create("syzkaller", 0) = 3
[pid  5050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[pid  5050] 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"..., 16777216) = 16777216
[pid  5050] munmap(0x7feec0200000, 138412032) = 0
[pid  5050] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[  153.747349][ T5050] loop0: detected capacity change from 0 to 32768
[pid  5050] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5050] close(3)                    = 0
[pid  5050] close(4)                    = 0
[pid  5050] mkdir("./file0", 0777)      = 0
[  154.007133][ T5050] bcachefs (loop0): mounting version 1.7: mi_btree_bitmap opts=data_checksum=crc64,str_hash=crc64,nojournal_transaction_names,nocow
[  154.021414][ T5050] bcachefs (loop0): recovering from clean shutdown, journal seq 10
[  154.108501][ T5050] bcachefs (loop0): alloc_read... done
[  154.114406][ T5050] bcachefs (loop0): stripes_read... done
[  154.120370][ T5050] bcachefs (loop0): snapshots_read... done
[  154.136785][ T5050] bcachefs (loop0): journal_replay... done
[  154.142941][ T5050] bcachefs (loop0): resume_logged_ops... done
[  154.149404][ T5050] bcachefs (loop0): going read-write
[pid  5050] mount("/dev/loop0", "./file0", "bcachefs", 0, "str_hash=crc64,data_checksum=crc64,metadata_checksum=crc32c,nocow,") = 0
[pid  5050] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5050] chdir("./file0")            = 0
[pid  5050] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5050] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5050] close(4)                    = 0
[pid  5050] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[  154.162693][ T5050] bcachefs (loop0): done starting filesystem
[pid  5050] getdents64(4, NULL, 0)      = -1 EINVAL (Invalid argument)
[pid  5050] exit_group(0)               = ?
[pid  5050] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5050, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=83 /* 0.83 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 5062 attached
 <unfinished ...>
[pid  5062] set_robust_list(0x55556229b660, 24) = 0
[pid  5062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5049] <... clone resumed>, child_tidptr=0x55556229b650) = 5062
[pid  5062] setpgid(0, 0)               = 0
[pid  5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid  5062] write(3, "1000", 4)         = 4
[pid  5062] close(3)                    = 0
[pid  5062] write(1, "executing program\n", 18) = 18
[pid  5062] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5062] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5062] memfd_create("syzkaller", 0) = 3
[pid  5062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[  154.222075][ T5050] syz-executor356 (5050) used greatest stack depth: 5224 bytes left
[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"..., 16777216) = 16777216
[pid  5062] munmap(0x7feec0200000, 138412032) = 0
[pid  5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5062] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5062] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5062] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5062] close(4)                    = 0
[pid  5062] close(3)                    = 0
[pid  5062] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5062] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=5 /* 0.05 s */, si_stime=83 /* 0.83 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 5063 attached
, child_tidptr=0x55556229b650) = 5063
[pid  5063] set_robust_list(0x55556229b660, 24) = 0
[pid  5063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5063] setpgid(0, 0)               = 0
[pid  5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5063] write(3, "1000", 4)         = 4
[pid  5063] close(3)                    = 0
executing program
[pid  5063] write(1, "executing program\n", 18) = 18
[pid  5063] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5063] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5063] memfd_create("syzkaller", 0) = 3
[pid  5063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[pid  5063] 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"..., 16777216) = 16777216
[pid  5063] munmap(0x7feec0200000, 138412032) = 0
[pid  5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5063] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5063] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5063] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5063] close(4)                    = 0
[pid  5063] close(3)                    = 0
[pid  5063] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5063] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[pid  5063] exit_group(0)               = ?
[pid  5063] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5063, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=80 /* 0.80 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 5064 attached
, child_tidptr=0x55556229b650) = 5064
[pid  5064] set_robust_list(0x55556229b660, 24) = 0
[pid  5064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5064] setpgid(0, 0)               = 0
[pid  5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5064] write(3, "1000", 4)         = 4
[pid  5064] close(3)                    = 0
executing program
[pid  5064] write(1, "executing program\n", 18) = 18
[pid  5064] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5064] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5064] memfd_create("syzkaller", 0) = 3
[pid  5064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[pid  5064] 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"..., 16777216) = 16777216
[pid  5064] munmap(0x7feec0200000, 138412032) = 0
[pid  5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5064] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5064] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5064] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5064] close(4)                    = 0
[pid  5064] close(3)                    = 0
[pid  5064] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5064] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[pid  5064] exit_group(0)               = ?
[pid  5064] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5064, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=86 /* 0.86 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 5065 attached
, child_tidptr=0x55556229b650) = 5065
[pid  5065] set_robust_list(0x55556229b660, 24) = 0
[pid  5065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5065] setpgid(0, 0)               = 0
[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(3executing program
)                    = 0
[pid  5065] write(1, "executing program\n", 18) = 18
[pid  5065] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5065] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5065] memfd_create("syzkaller", 0) = 3
[pid  5065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5065] munmap(0x7feec0200000, 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)
[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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5065] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=5 /* 0.05 s */, si_stime=85 /* 0.85 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=0x55556229b650) = 5066
./strace-static-x86_64: Process 5066 attached
[pid  5066] set_robust_list(0x55556229b660, 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(3executing program
)                    = 0
[pid  5066] write(1, "executing program\n", 18) = 18
[pid  5066] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5066] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5066] memfd_create("syzkaller", 0) = 3
[pid  5066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5066] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5066] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=4 /* 0.04 s */, si_stime=79 /* 0.79 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=0x55556229b650) = 5067
[pid  5067] set_robust_list(0x55556229b660, 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
executing program
[pid  5067] close(3)                    = 0
[pid  5067] write(1, "executing program\n", 18) = 18
[pid  5067] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5067] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5067] memfd_create("syzkaller", 0) = 3
[pid  5067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5067] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5067] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=6 /* 0.06 s */, si_stime=80 /* 0.80 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, child_tidptr=0x55556229b650) = 5068
./strace-static-x86_64: Process 5068 attached
[pid  5068] set_robust_list(0x55556229b660, 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
executing program
[pid  5068] write(1, "executing program\n", 18) = 18
[pid  5068] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5068] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5068] memfd_create("syzkaller", 0) = 3
[pid  5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5068] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5068] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=5 /* 0.05 s */, si_stime=80 /* 0.80 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 5069 attached
, child_tidptr=0x55556229b650) = 5069
[pid  5069] set_robust_list(0x55556229b660, 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
executing program
[pid  5069] write(3, "1000", 4)         = 4
[pid  5069] close(3)                    = 0
[pid  5069] write(1, "executing program\n", 18) = 18
[pid  5069] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5069] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5069] memfd_create("syzkaller", 0) = 3
[pid  5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5069] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5069] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=6 /* 0.06 s */, si_stime=80 /* 0.80 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=0x55556229b650) = 5070
[pid  5070] set_robust_list(0x55556229b660, 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_CLOEXECexecuting program
) = 3
[pid  5070] write(3, "1000", 4)         = 4
[pid  5070] close(3)                    = 0
[pid  5070] write(1, "executing program\n", 18) = 18
[pid  5070] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5070] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5070] memfd_create("syzkaller", 0) = 3
[pid  5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5070] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5070] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=8 /* 0.08 s */, si_stime=78 /* 0.78 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, child_tidptr=0x55556229b650) = 5071
./strace-static-x86_64: Process 5071 attached
[pid  5071] set_robust_list(0x55556229b660, 24) = 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
executing program
[pid  5071] write(3, "1000", 4)         = 4
[pid  5071] close(3)                    = 0
[pid  5071] write(1, "executing program\n", 18) = 18
[pid  5071] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5071] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5071] memfd_create("syzkaller", 0) = 3
[pid  5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5071] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5071] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=2 /* 0.02 s */, si_stime=87 /* 0.87 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 5072 attached
 <unfinished ...>
[pid  5072] set_robust_list(0x55556229b660, 24) = 0
[pid  5049] <... clone resumed>, child_tidptr=0x55556229b650) = 5072
[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
executing program
[pid  5072] write(1, "executing program\n", 18) = 18
[pid  5072] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5072] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5072] memfd_create("syzkaller", 0) = 3
[pid  5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5072] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5072] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=10 /* 0.10 s */, si_stime=77 /* 0.77 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 5073 attached
 <unfinished ...>
[pid  5073] set_robust_list(0x55556229b660, 24) = 0
[pid  5073] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5049] <... clone resumed>, child_tidptr=0x55556229b650) = 5073
[pid  5073] <... prctl resumed>)        = 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
executing program
[pid  5073] write(1, "executing program\n", 18) = 18
[pid  5073] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5073] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5073] memfd_create("syzkaller", 0) = 3
[pid  5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5073] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5073] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=6 /* 0.06 s */, si_stime=83 /* 0.83 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 5074 attached
, child_tidptr=0x55556229b650) = 5074
[pid  5074] set_robust_list(0x55556229b660, 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] write(1, "executing program\n", 18executing program
) = 18
[pid  5074] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5074] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5074] memfd_create("syzkaller", 0) = 3
[pid  5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5074] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5074] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=9 /* 0.09 s */, si_stime=78 /* 0.78 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 5075 attached
, child_tidptr=0x55556229b650) = 5075
[pid  5075] set_robust_list(0x55556229b660, 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(3executing program
)                    = 0
[pid  5075] write(1, "executing program\n", 18) = 18
[pid  5075] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5075] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5075] memfd_create("syzkaller", 0) = 3
[pid  5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5075] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5075] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=5 /* 0.05 s */, si_stime=81 /* 0.81 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 5076 attached
 <unfinished ...>
[pid  5076] set_robust_list(0x55556229b660, 24) = 0
[pid  5076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5076] setpgid(0, 0 <unfinished ...>
[pid  5049] <... clone resumed>, child_tidptr=0x55556229b650) = 5076
[pid  5076] <... setpgid resumed>)      = 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] write(1, "executing program\n", 18executing program
) = 18
[pid  5076] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5076] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5076] memfd_create("syzkaller", 0) = 3
[pid  5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5076] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5076] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=8 /* 0.08 s */, si_stime=83 /* 0.83 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 5077 attached
, child_tidptr=0x55556229b650) = 5077
[pid  5077] set_robust_list(0x55556229b660, 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
executing program
[pid  5077] close(3)                    = 0
[pid  5077] write(1, "executing program\n", 18) = 18
[pid  5077] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5077] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5077] memfd_create("syzkaller", 0) = 3
[pid  5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5077] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5077] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=9 /* 0.09 s */, si_stime=89 /* 0.89 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=0x55556229b650) = 5078
[pid  5078] set_robust_list(0x55556229b660, 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_CLOEXECexecuting program
) = 3
[pid  5078] write(3, "1000", 4)         = 4
[pid  5078] close(3)                    = 0
[pid  5078] write(1, "executing program\n", 18) = 18
[pid  5078] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5078] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5078] memfd_create("syzkaller", 0) = 3
[pid  5078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5078] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5078] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=6 /* 0.06 s */, si_stime=80 /* 0.80 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 5079 attached
 <unfinished ...>
[pid  5079] set_robust_list(0x55556229b660, 24) = 0
[pid  5079] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5049] <... clone resumed>, child_tidptr=0x55556229b650) = 5079
[pid  5079] <... prctl resumed>)        = 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] write(1, "executing program\n", 18executing program
) = 18
[pid  5079] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5079] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5079] memfd_create("syzkaller", 0) = 3
[pid  5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5079] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5079] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=4 /* 0.04 s */, si_stime=81 /* 0.81 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 5080 attached
, child_tidptr=0x55556229b650) = 5080
[pid  5080] set_robust_list(0x55556229b660, 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_CLOEXECexecuting program
) = 3
[pid  5080] write(3, "1000", 4)         = 4
[pid  5080] close(3)                    = 0
[pid  5080] write(1, "executing program\n", 18) = 18
[pid  5080] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5080] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5080] memfd_create("syzkaller", 0) = 3
[pid  5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5080] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5080] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=4 /* 0.04 s */, si_stime=81 /* 0.81 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 5081 attached
, child_tidptr=0x55556229b650) = 5081
[pid  5081] set_robust_list(0x55556229b660, 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_CLOEXECexecuting program
) = 3
[pid  5081] write(3, "1000", 4)         = 4
[pid  5081] close(3)                    = 0
[pid  5081] write(1, "executing program\n", 18) = 18
[pid  5081] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5081] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5081] memfd_create("syzkaller", 0) = 3
[pid  5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5081] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5081] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=7 /* 0.07 s */, si_stime=81 /* 0.81 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, child_tidptr=0x55556229b650) = 5082
./strace-static-x86_64: Process 5082 attached
[pid  5082] set_robust_list(0x55556229b660, 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(3executing program
)                    = 0
[pid  5082] write(1, "executing program\n", 18) = 18
[pid  5082] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5082] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5082] memfd_create("syzkaller", 0) = 3
[pid  5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5082] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5082] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=4 /* 0.04 s */, si_stime=82 /* 0.82 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=0x55556229b650) = 5083
./strace-static-x86_64: Process 5083 attached
[pid  5083] set_robust_list(0x55556229b660, 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
executing program
[pid  5083] write(1, "executing program\n", 18) = 18
[pid  5083] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5083] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5083] memfd_create("syzkaller", 0) = 3
[pid  5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5083] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5083] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=2 /* 0.02 s */, si_stime=85 /* 0.85 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 5084 attached
, child_tidptr=0x55556229b650) = 5084
[pid  5084] set_robust_list(0x55556229b660, 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
executing program
[pid  5084] write(3, "1000", 4)         = 4
[pid  5084] close(3)                    = 0
[pid  5084] write(1, "executing program\n", 18) = 18
[pid  5084] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5084] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5084] memfd_create("syzkaller", 0) = 3
[pid  5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5084] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5084] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=4 /* 0.04 s */, si_stime=82 /* 0.82 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 5085 attached
, child_tidptr=0x55556229b650) = 5085
[pid  5085] set_robust_list(0x55556229b660, 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] write(1, "executing program\n", 18executing program
) = 18
[pid  5085] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5085] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5085] memfd_create("syzkaller", 0) = 3
[pid  5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5085] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5085] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=5 /* 0.05 s */, si_stime=83 /* 0.83 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 5086 attached
, child_tidptr=0x55556229b650) = 5086
[pid  5086] set_robust_list(0x55556229b660, 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
executing program
[pid  5086] write(1, "executing program\n", 18) = 18
[pid  5086] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5086] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5086] memfd_create("syzkaller", 0) = 3
[pid  5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5086] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5086] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=3 /* 0.03 s */, si_stime=88 /* 0.88 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 5088 attached
, child_tidptr=0x55556229b650) = 5088
[pid  5088] set_robust_list(0x55556229b660, 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(3executing program
)                    = 0
[pid  5088] write(1, "executing program\n", 18) = 18
[pid  5088] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5088] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5088] memfd_create("syzkaller", 0) = 3
[pid  5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5088] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5088] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=3 /* 0.03 s */, si_stime=85 /* 0.85 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 5089 attached
, child_tidptr=0x55556229b650) = 5089
[pid  5089] set_robust_list(0x55556229b660, 24) = 0
[pid  5089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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
executing program
[pid  5089] write(1, "executing program\n", 18) = 18
[pid  5089] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5089] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5089] memfd_create("syzkaller", 0) = 3
[pid  5089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5089] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5089] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=3 /* 0.03 s */, si_stime=83 /* 0.83 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 5091 attached
, child_tidptr=0x55556229b650) = 5091
[pid  5091] set_robust_list(0x55556229b660, 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] write(1, "executing program\n", 18executing program
) = 18
[pid  5091] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5091] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5091] memfd_create("syzkaller", 0) = 3
[pid  5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5091] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5091] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=6 /* 0.06 s */, si_stime=82 /* 0.82 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 5093 attached
, child_tidptr=0x55556229b650) = 5093
[pid  5093] set_robust_list(0x55556229b660, 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
executing program
[pid  5093] write(3, "1000", 4)         = 4
[pid  5093] close(3)                    = 0
[pid  5093] write(1, "executing program\n", 18) = 18
[pid  5093] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5093] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5093] memfd_create("syzkaller", 0) = 3
[pid  5093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5093] munmap(0x7feec0200000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5093] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=4 /* 0.04 s */, si_stime=88 /* 0.88 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 5095 attached
 <unfinished ...>
[pid  5095] set_robust_list(0x55556229b660, 24) = 0
[pid  5049] <... clone resumed>, child_tidptr=0x55556229b650) = 5095
[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
[pid  5095] write(1, "executing program\n", 18executing program
) = 18
[pid  5095] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5095] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5095] memfd_create("syzkaller", 0) = 3
[pid  5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5095] munmap(0x7feec0200000, 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)
[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
[pid  5095] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5095] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[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=4 /* 0.04 s */, si_stime=86 /* 0.86 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
 <unfinished ...>
[pid  5097] set_robust_list(0x55556229b660, 24) = 0
[pid  5097] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5049] <... clone resumed>, child_tidptr=0x55556229b650) = 5097
[pid  5097] <... prctl resumed>)        = 0
[pid  5097] setpgid(0, 0)               = 0
[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
executing program
[pid  5097] write(1, "executing program\n", 18) = 18
[pid  5097] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5097] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5097] memfd_create("syzkaller", 0) = 3
[pid  5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[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"..., 16777216) = 16777216
[pid  5097] munmap(0x7feec0200000, 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
[pid  5097] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5097] close(4)                    = 0
[pid  5097] close(3)                    = 0
[pid  5097] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid  5097] getdents64(3, NULL, 0)      = -1 EINVAL (Invalid argument)
[pid  5097] exit_group(0)               = ?
[pid  5097] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=84 /* 0.84 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 5098 attached
, child_tidptr=0x55556229b650) = 5098
[pid  5098] set_robust_list(0x55556229b660, 24) = 0
[pid  5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5098] setpgid(0, 0)               = 0
[pid  5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5098] write(3, "1000", 4)         = 4
[pid  5098] close(3)                    = 0
executing program
[pid  5098] write(1, "executing program\n", 18) = 18
[pid  5098] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5098] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5098] memfd_create("syzkaller", 0) = 3
[pid  5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feec0200000
[  184.742729][ T5058] =====================================================
[  184.749968][ T5058] BUG: KMSAN: uninit-value in bch2_inode_v3_invalid+0x390/0x520
[  184.757977][ T5058]  bch2_inode_v3_invalid+0x390/0x520
[  184.763564][ T5058]  bch2_bkey_val_invalid+0x24f/0x380
[  184.769085][ T5058]  validate_bset_keys+0x12d8/0x25d0
[  184.774629][ T5058]  validate_bset_for_write+0x1dd/0x340
[  184.780307][ T5058]  __bch2_btree_node_write+0x4777/0x67c0
[  184.786216][ T5058]  bch2_btree_node_write+0xa5/0x2e0
[  184.791618][ T5058]  __btree_node_flush+0x4d0/0x640
[  184.796879][ T5058]  bch2_btree_node_flush0+0x35/0x60
[  184.802477][ T5058]  journal_flush_pins+0xce6/0x1780
[  184.807797][ T5058]  __bch2_journal_reclaim+0xd88/0x1610
[  184.813497][ T5058]  bch2_journal_reclaim_thread+0x18e/0x760
[  184.819487][ T5058]  kthread+0x3e2/0x540
[  184.823805][ T5058]  ret_from_fork+0x6d/0x90
[  184.828386][ T5058]  ret_from_fork_asm+0x1a/0x30
[  184.833407][ T5058] 
[  184.835814][ T5058] Uninit was stored to memory at:
[  184.841064][ T5058]  bch2_sort_keys+0x1fdf/0x2cb0
[  184.846183][ T5058]  __bch2_btree_node_write+0x3acd/0x67c0
[  184.852092][ T5058]  bch2_btree_node_write+0xa5/0x2e0
[  184.857488][ T5058]  __btree_node_flush+0x4d0/0x640
[  184.862742][ T5058]  bch2_btree_node_flush0+0x35/0x60
[  184.868111][ T5058]  journal_flush_pins+0xce6/0x1780
[  184.873466][ T5058]  __bch2_journal_reclaim+0xd88/0x1610
[  184.879107][ T5058]  bch2_journal_reclaim_thread+0x18e/0x760
[  184.885169][ T5058]  kthread+0x3e2/0x540
[  184.889428][ T5058]  ret_from_fork+0x6d/0x90
[  184.894071][ T5058]  ret_from_fork_asm+0x1a/0x30
[  184.899023][ T5058] 
[  184.901426][ T5058] Uninit was created at:
[  184.906102][ T5058]  __kmalloc_large_node+0x231/0x370
[  184.911465][ T5058]  __kmalloc_node+0xb10/0x10c0
[  184.916465][ T5058]  kvmalloc_node+0xc0/0x2d0
[  184.921144][ T5058]  bch2_btree_node_read_done+0x4e68/0x75e0
[  184.927228][ T5058]  btree_node_read_work+0x8a5/0x1eb0
[  184.932785][ T5058]  bch2_btree_node_read+0x3d42/0x4b50
[  184.938356][ T5058]  bch2_btree_root_read+0xa6c/0x13d0
[  184.943906][ T5058]  read_btree_roots+0x454/0xee0
[  184.948926][ T5058]  bch2_fs_recovery+0x7b6a/0x93e0
[  184.954187][ T5058]  bch2_fs_start+0x7b2/0xbd0
[  184.958977][ T5058]  bch2_fs_open+0x152a/0x15f0
[  184.963916][ T5058]  bch2_mount+0x90d/0x1d90
[  184.968514][ T5058]  legacy_get_tree+0x114/0x290
[  184.973592][ T5058]  vfs_get_tree+0xa7/0x570
[  184.978212][ T5058]  do_new_mount+0x71f/0x15e0
[  184.983073][ T5058]  path_mount+0x742/0x1f20
[  184.987671][ T5058]  __se_sys_mount+0x725/0x810
[  184.992602][ T5058]  __x64_sys_mount+0xe4/0x150
[  184.997470][ T5058]  x64_sys_call+0x2bf4/0x3b50
[  185.002557][ T5058]  do_syscall_64+0xcf/0x1e0
[  185.007288][ T5058]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  185.013450][ T5058] 
[  185.015872][ T5058] CPU: 0 PID: 5058 Comm: bch-reclaim/loo Not tainted 6.9.0-syzkaller-02707-g614da38e2f7a #0
[  185.026190][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[  185.036461][ T5058] =====================================================
[  185.043561][ T5058] Disabling lock debugging due to kernel taint
[  185.049819][ T5058] Kernel panic - not syncing: kmsan.panic set ...
[  185.056344][ T5058] CPU: 0 PID: 5058 Comm: bch-reclaim/loo Tainted: G    B              6.9.0-syzkaller-02707-g614da38e2f7a #0
[  185.068063][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[  185.078252][ T5058] Call Trace:
[  185.081642][ T5058]  <TASK>
[  185.084682][ T5058]  dump_stack_lvl+0x216/0x2d0
[  185.089568][ T5058]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  185.095568][ T5058]  dump_stack+0x1e/0x30
[  185.099920][ T5058]  panic+0x4e2/0xcd0
[  185.104017][ T5058]  ? kmsan_get_metadata+0xf1/0x1d0
[  185.109335][ T5058]  kmsan_report+0x2d5/0x2e0
[  185.114025][ T5058]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  185.120015][ T5058]  ? __msan_warning+0x95/0x120
[  185.124940][ T5058]  ? bch2_inode_v3_invalid+0x390/0x520
[  185.130617][ T5058]  ? bch2_bkey_val_invalid+0x24f/0x380
[  185.136294][ T5058]  ? validate_bset_keys+0x12d8/0x25d0
[  185.141879][ T5058]  ? validate_bset_for_write+0x1dd/0x340
[  185.147706][ T5058]  ? __bch2_btree_node_write+0x4777/0x67c0
[  185.153661][ T5058]  ? bch2_btree_node_write+0xa5/0x2e0
[  185.159201][ T5058]  ? __btree_node_flush+0x4d0/0x640
[  185.164668][ T5058]  ? bch2_btree_node_flush0+0x35/0x60
[  185.170228][ T5058]  ? journal_flush_pins+0xce6/0x1780
[  185.175686][ T5058]  ? __bch2_journal_reclaim+0xd88/0x1610
[  185.181446][ T5058]  ? bch2_journal_reclaim_thread+0x18e/0x760
[  185.187595][ T5058]  ? kthread+0x3e2/0x540
[  185.191963][ T5058]  ? ret_from_fork+0x6d/0x90
[  185.196650][ T5058]  ? ret_from_fork_asm+0x1a/0x30
[  185.201747][ T5058]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  185.207739][ T5058]  ? kmsan_get_metadata+0x146/0x1d0
[  185.213065][ T5058]  ? kmsan_get_metadata+0x146/0x1d0
[  185.218437][ T5058]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  185.224374][ T5058]  ? kmsan_get_metadata+0x146/0x1d0
[  185.229750][ T5058]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  185.235704][ T5058]  ? bch2_bkey_ptrs_invalid+0x250d/0x2d40
[  185.241634][ T5058]  ? kmsan_get_metadata+0x146/0x1d0
[  185.246957][ T5058]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  185.252932][ T5058]  __msan_warning+0x95/0x120
[  185.257609][ T5058]  bch2_inode_v3_invalid+0x390/0x520
[  185.263080][ T5058]  ? __pfx_bch2_inode_v3_invalid+0x10/0x10
[  185.269094][ T5058]  bch2_bkey_val_invalid+0x24f/0x380
[  185.274549][ T5058]  validate_bset_keys+0x12d8/0x25d0
[  185.279968][ T5058]  validate_bset_for_write+0x1dd/0x340
[  185.285587][ T5058]  __bch2_btree_node_write+0x4777/0x67c0
[  185.291412][ T5058]  ? __update_load_avg_cfs_rq+0x121/0x10e0
[  185.297437][ T5058]  bch2_btree_node_write+0xa5/0x2e0
[  185.302822][ T5058]  __btree_node_flush+0x4d0/0x640
[  185.307976][ T5058]  ? __btree_node_flush+0xd1/0x640
[  185.313276][ T5058]  ? __pfx_bch2_btree_node_flush0+0x10/0x10
[  185.319314][ T5058]  bch2_btree_node_flush0+0x35/0x60
[  185.324672][ T5058]  journal_flush_pins+0xce6/0x1780
[  185.329918][ T5058]  __bch2_journal_reclaim+0xd88/0x1610
[  185.335551][ T5058]  ? __try_to_del_timer_sync+0x3d3/0x420
[  185.341446][ T5058]  bch2_journal_reclaim_thread+0x18e/0x760
[  185.347443][ T5058]  kthread+0x3e2/0x540
[  185.351625][ T5058]  ? __pfx_bch2_journal_reclaim_thread+0x10/0x10
[  185.358099][ T5058]  ? __pfx_kthread+0x10/0x10
[  185.362869][ T5058]  ret_from_fork+0x6d/0x90
[  185.367394][ T5058]  ? __pfx_kthread+0x10/0x10
[  185.372097][ T5058]  ret_from_fork_asm+0x1a/0x30
[  185.376991][ T5058]  </TASK>
[  185.380380][ T5058] Kernel Offset: disabled
[  185.384763][ T5058] Rebooting in 86400 seconds..