./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3772061276

<...>
Warning: Permanently added '10.128.0.250' (ED25519) to the list of known hosts.
execve("./syz-executor3772061276", ["./syz-executor3772061276"], 0x7ffc70c649b0 /* 10 vars */) = 0
brk(NULL)                               = 0x5555565ab000
brk(0x5555565abd00)                     = 0x5555565abd00
arch_prctl(ARCH_SET_FS, 0x5555565ab380) = 0
set_tid_address(0x5555565ab650)         = 5044
set_robust_list(0x5555565ab660, 24)     = 0
rseq(0x5555565abca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3772061276", 4096) = 28
getrandom("\x9f\xe8\x57\xe9\x4d\x4c\x1c\x54", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555565abd00
brk(0x5555565ccd00)                     = 0x5555565ccd00
brk(0x5555565cd000)                     = 0x5555565cd000
mprotect(0x7fd0eee66000, 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=0x5555565ab650) = 5045
./strace-static-x86_64: Process 5045 attached
[pid  5045] set_robust_list(0x5555565ab660, 24) = 0
[pid  5045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5045] setpgid(0, 0)               = 0
[pid  5045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5045] write(3, "1000", 4)         = 4
[pid  5045] close(3)                    = 0
[pid  5045] write(1, "executing program\n", 18executing program
) = 18
[pid  5045] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5045] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5045] memfd_create("syzkaller", 0) = 3
[pid  5045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0e6800000
[pid  5045] 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  5045] munmap(0x7fd0e6800000, 138412032) = 0
[pid  5045] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5045] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5045] close(3)                    = 0
[pid  5045] close(4)                    = 0
[pid  5045] mkdir("./file0", 0777)      = 0
[  164.300192][ T5045] loop0: detected capacity change from 0 to 32768
[  164.625230][ T5045] bcachefs (loop0): mounting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,nojournal_transaction_names
[  164.641280][ T5045] bcachefs (loop0): recovering from clean shutdown, journal seq 10
[  164.840942][ T5045] bcachefs (loop0): alloc_read... done
[  164.848061][ T5045] bcachefs (loop0): stripes_read... done
[  164.854727][ T5045] bcachefs (loop0): snapshots_read... done
[  164.874166][ T5045] bcachefs (loop0): journal_replay... done
[  164.881000][ T5045] bcachefs (loop0): resume_logged_ops... done
[pid  5045] mount("/dev/loop0", "./file0", "bcachefs", MS_NODEV|MS_SYNCHRONOUS|MS_RELATIME|MS_STRICTATIME, "00000000000000000000000") = 0
[pid  5045] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5045] chdir("./file0")            = 0
[pid  5045] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5045] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5045] close(4)                    = 0
[  164.888559][ T5045] bcachefs (loop0): going read-write
[  164.909793][ T5045] bcachefs (loop0): done starting filesystem
[pid  5045] openat(AT_FDCWD, "./file2", O_RDONLY) = 4
[pid  5045] exit_group(0)               = ?
[pid  5045] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5045, si_uid=0, si_status=0, si_utime=0, 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 5058 attached
 <unfinished ...>
[pid  5058] set_robust_list(0x5555565ab660, 24) = 0
[pid  5058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5058] setpgid(0, 0)               = 0
executing program
[pid  5058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5058] write(3, "1000", 4)         = 4
[pid  5058] close(3)                    = 0
[pid  5058] write(1, "executing program\n", 18) = 18
[pid  5058] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5058] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5058] memfd_create("syzkaller", 0) = 3
[pid  5058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0e6800000
[pid  5044] <... clone resumed>, child_tidptr=0x5555565ab650) = 5058
[  164.974256][ T5045] syz-executor377 (5045) used greatest stack depth: 3736 bytes left
[pid  5058] 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  5058] munmap(0x7fd0e6800000, 138412032) = 0
[pid  5058] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5058] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5058] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5058] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5058] close(4)                    = 0
[pid  5058] close(3)                    = 0
[pid  5058] openat(AT_FDCWD, "./file2", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5058] exit_group(0)               = ?
[pid  5058] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5058, 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 5059 attached
, child_tidptr=0x5555565ab650) = 5059
[pid  5059] set_robust_list(0x5555565ab660, 24) = 0
[pid  5059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5059] setpgid(0, 0)               = 0
[pid  5059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5059] write(3, "1000", 4)         = 4
[pid  5059] close(3executing program
)                    = 0
[pid  5059] write(1, "executing program\n", 18) = 18
[pid  5059] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5059] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5059] memfd_create("syzkaller", 0) = 3
[pid  5059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0e6800000
[pid  5059] 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  5059] munmap(0x7fd0e6800000, 138412032) = 0
[pid  5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5059] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5059] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5059] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5059] close(4)                    = 0
[pid  5059] close(3)                    = 0
[pid  5059] openat(AT_FDCWD, "./file2", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5059] exit_group(0)               = ?
[pid  5059] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5059, si_uid=0, si_status=0, si_utime=2 /* 0.02 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, child_tidptr=0x5555565ab650) = 5060
./strace-static-x86_64: Process 5060 attached
[pid  5060] set_robust_list(0x5555565ab660, 24) = 0
[pid  5060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5060] setpgid(0, 0)               = 0
[pid  5060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5060] write(3, "1000", 4)         = 4
[pid  5060] close(3)                    = 0
executing program
[pid  5060] write(1, "executing program\n", 18) = 18
[pid  5060] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5060] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5060] memfd_create("syzkaller", 0) = 3
[pid  5060] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0e6800000
[pid  5060] 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  5060] munmap(0x7fd0e6800000, 138412032) = 0
[pid  5060] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5060] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5060] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5060] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5060] close(4)                    = 0
[pid  5060] close(3)                    = 0
[pid  5060] openat(AT_FDCWD, "./file2", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5060] exit_group(0)               = ?
[pid  5060] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5060, 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 5061 attached
, child_tidptr=0x5555565ab650) = 5061
executing program
[pid  5061] set_robust_list(0x5555565ab660, 24) = 0
[pid  5061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5061] setpgid(0, 0)               = 0
[pid  5061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5061] write(3, "1000", 4)         = 4
[pid  5061] close(3)                    = 0
[pid  5061] write(1, "executing program\n", 18) = 18
[pid  5061] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5061] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5061] memfd_create("syzkaller", 0) = 3
[pid  5061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0e6800000
[pid  5061] 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  5061] munmap(0x7fd0e6800000, 138412032) = 0
[pid  5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5061] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5061] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5061] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5061] close(4)                    = 0
[pid  5061] close(3)                    = 0
[pid  5061] openat(AT_FDCWD, "./file2", O_RDONLY) = -1 ENOENT (No such file or directory)
[pid  5061] exit_group(0)               = ?
[pid  5061] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5061, si_uid=0, si_status=0, si_utime=5 /* 0.05 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 5062 attached
 <unfinished ...>
[pid  5062] set_robust_list(0x5555565ab660, 24) = 0
[pid  5044] <... clone resumed>, child_tidptr=0x5555565ab650) = 5062
[pid  5062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5062] setpgid(0, 0)               = 0
[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] write(1, "executing program\n", 18executing program
) = 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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or directory)
[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=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, child_tidptr=0x5555565ab650) = 5063
./strace-static-x86_64: Process 5063 attached
[pid  5063] set_robust_list(0x5555565ab660, 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(3executing program
)                    = 0
[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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or directory)
[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=3 /* 0.03 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 5064 attached
, child_tidptr=0x5555565ab650) = 5064
[pid  5064] set_robust_list(0x5555565ab660, 24) = 0
[pid  5064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5064] setpgid(0, 0)               = 0
executing program
[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
[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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or directory)
[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=3 /* 0.03 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 5065 attached
, child_tidptr=0x5555565ab650) = 5065
[pid  5065] set_robust_list(0x5555565ab660, 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(3)                    = 0
[pid  5065] write(1, "executing program\n", 18) = 18
executing program
[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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=87 /* 0.87 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=0x5555565ab650) = 5066
[pid  5066] set_robust_list(0x5555565ab660, 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_CLOEXECexecuting program
) = 3
[pid  5066] write(3, "1000", 4)         = 4
[pid  5066] close(3)                    = 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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=4 /* 0.04 s */, si_stime=92 /* 0.92 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 5067 attached
, child_tidptr=0x5555565ab650) = 5067
[pid  5067] set_robust_list(0x5555565ab660, 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
executing program
[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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=3 /* 0.03 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, child_tidptr=0x5555565ab650) = 5068
./strace-static-x86_64: Process 5068 attached
[pid  5068] set_robust_list(0x5555565ab660, 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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=3 /* 0.03 s */, si_stime=84 /* 0.84 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
 <unfinished ...>
[pid  5069] set_robust_list(0x5555565ab660, 24) = 0
[pid  5069] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5044] <... clone resumed>, child_tidptr=0x5555565ab650) = 5069
[pid  5069] <... prctl resumed>)        = 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
executing program
[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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=1 /* 0.01 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 5070 attached
, child_tidptr=0x5555565ab650) = 5070
[pid  5070] set_robust_list(0x5555565ab660, 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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=2 /* 0.02 s */, si_stime=87 /* 0.87 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=0x5555565ab650) = 5071
./strace-static-x86_64: Process 5071 attached
[pid  5071] set_robust_list(0x5555565ab660, 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
[pid  5071] write(3, "1000", 4)         = 4
executing program
[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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=2 /* 0.02 s */, si_stime=84 /* 0.84 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|SIGCHLDexecuting program
./strace-static-x86_64: Process 5072 attached
, child_tidptr=0x5555565ab650) = 5072
[pid  5072] set_robust_list(0x5555565ab660, 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] 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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=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 5073 attached
, child_tidptr=0x5555565ab650) = 5073
[pid  5073] set_robust_list(0x5555565ab660, 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
executing program
[pid  5073] close(3)                    = 0
[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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=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 5075 attached
, child_tidptr=0x5555565ab650) = 5075
[pid  5075] set_robust_list(0x5555565ab660, 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_CLOEXECexecuting program
) = 3
[pid  5075] write(3, "1000", 4)         = 4
[pid  5075] close(3)                    = 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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=3 /* 0.03 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 5076 attached
, child_tidptr=0x5555565ab650) = 5076
[pid  5076] set_robust_list(0x5555565ab660, 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(3executing program
)                    = 0
[pid  5076] write(1, "executing program\n", 18) = 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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=7 /* 0.07 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 5080 attached
, child_tidptr=0x5555565ab650) = 5080
[pid  5080] set_robust_list(0x5555565ab660, 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
executing program
[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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=3 /* 0.03 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 5083 attached
 <unfinished ...>
[pid  5083] set_robust_list(0x5555565ab660, 24) = 0
[pid  5044] <... clone resumed>, child_tidptr=0x5555565ab650) = 5083
[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(3executing program
)                    = 0
[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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=1 /* 0.01 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 5084 attached
, child_tidptr=0x5555565ab650) = 5084
[pid  5084] set_robust_list(0x5555565ab660, 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] write(1, "executing program\n", 18executing program
) = 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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=2 /* 0.02 s */, si_stime=86 /* 0.86 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=0x5555565ab650) = 5085
executing program
[pid  5085] set_robust_list(0x5555565ab660, 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", 18) = 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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=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, child_tidptr=0x5555565ab650) = 5086
./strace-static-x86_64: Process 5086 attached
[pid  5086] set_robust_list(0x5555565ab660, 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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=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, child_tidptr=0x5555565ab650) = 5087
./strace-static-x86_64: Process 5087 attached
[pid  5087] set_robust_list(0x5555565ab660, 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(3executing program
)                    = 0
[pid  5087] write(1, "executing program\n", 18) = 18
[pid  5087] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5087] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5087] memfd_create("syzkaller", 0) = 3
[pid  5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0e6800000
[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"..., 16777216) = 16777216
[pid  5087] munmap(0x7fd0e6800000, 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] openat(AT_FDCWD, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=3 /* 0.03 s */, si_stime=84 /* 0.84 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=0x5555565ab650) = 5088
./strace-static-x86_64: Process 5088 attached
[pid  5088] set_robust_list(0x5555565ab660, 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
executing program
[pid  5088] close(3)                    = 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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=2 /* 0.02 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, child_tidptr=0x5555565ab650) = 5089
./strace-static-x86_64: Process 5089 attached
[pid  5089] set_robust_list(0x5555565ab660, 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
[pid  5089] write(1, "executing program\n", 18executing program
) = 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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=3 /* 0.03 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./strace-static-x86_64: Process 5090 attached
, child_tidptr=0x5555565ab650) = 5090
[pid  5090] set_robust_list(0x5555565ab660, 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
executing program
[pid  5090] close(3)                    = 0
[pid  5090] write(1, "executing program\n", 18) = 18
[pid  5090] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5090] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5090] memfd_create("syzkaller", 0) = 3
[pid  5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0e6800000
[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"..., 16777216) = 16777216
[pid  5090] munmap(0x7fd0e6800000, 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] openat(AT_FDCWD, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=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, child_tidptr=0x5555565ab650) = 5091
./strace-static-x86_64: Process 5091 attached
[pid  5091] set_robust_list(0x5555565ab660, 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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=3 /* 0.03 s */, si_stime=84 /* 0.84 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=0x5555565ab650) = 5092
./strace-static-x86_64: Process 5092 attached
[pid  5092] set_robust_list(0x5555565ab660, 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", 4executing program
)         = 4
[pid  5092] close(3)                    = 0
[pid  5092] write(1, "executing program\n", 18) = 18
[pid  5092] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5092] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5092] memfd_create("syzkaller", 0) = 3
[pid  5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0e6800000
[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"..., 16777216) = 16777216
[pid  5092] munmap(0x7fd0e6800000, 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] openat(AT_FDCWD, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=6 /* 0.06 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 5093 attached
, child_tidptr=0x5555565ab650) = 5093
[pid  5093] set_robust_list(0x5555565ab660, 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(3executing program
)                    = 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) = 0x7fd0e6800000
[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(0x7fd0e6800000, 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, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=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 5094 attached
, child_tidptr=0x5555565ab650) = 5094
[pid  5094] set_robust_list(0x5555565ab660, 24) = 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
executing program
[pid  5094] write(1, "executing program\n", 18) = 18
[pid  5094] prlimit64(0, RLIMIT_RTPRIO, {rlim_cur=8, rlim_max=139}, NULL) = 0
[pid  5094] sched_setscheduler(0, SCHED_FIFO, [7]) = 0
[pid  5094] memfd_create("syzkaller", 0) = 3
[pid  5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0e6800000
[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"..., 16777216) = 16777216
[pid  5094] munmap(0x7fd0e6800000, 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] openat(AT_FDCWD, "./file2", O_RDONLY) = -1 ENOENT (No such file or 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=2 /* 0.02 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 5095 attached
 <unfinished ...>
[pid  5095] set_robust_list(0x5555565ab660, 24 <unfinished ...>
[pid  5044] <... clone resumed>, child_tidptr=0x5555565ab650) = 5095
[pid  5095] <... set_robust_list resumed>) = 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
executing program
[pid  5095] write(1, "executing program\n", 18) = 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) = 0x7fd0e6800000
[  195.294014][ T5053] =====================================================
[  195.301971][ T5053] BUG: KMSAN: uninit-value in bch2_inode_v3_invalid+0x390/0x520
[  195.310035][ T5053]  bch2_inode_v3_invalid+0x390/0x520
[  195.315688][ T5053]  bch2_bkey_val_invalid+0x24f/0x380
[  195.321190][ T5053]  validate_bset_keys+0x12d8/0x25d0
[  195.326815][ T5053]  validate_bset_for_write+0x1dd/0x340
[  195.332665][ T5053]  __bch2_btree_node_write+0x4777/0x67c0
[  195.338613][ T5053]  bch2_btree_node_write+0xa5/0x2e0
[  195.344127][ T5053]  __btree_node_flush+0x4d0/0x640
[  195.349323][ T5053]  bch2_btree_node_flush0+0x35/0x60
[  195.354802][ T5053]  journal_flush_pins+0xce6/0x1780
[  195.360447][ T5053]  __bch2_journal_reclaim+0xd88/0x1610
[  195.366306][ T5053]  bch2_journal_reclaim_thread+0x18e/0x760
[  195.372301][ T5053]  kthread+0x3e2/0x540
[  195.376670][ T5053]  ret_from_fork+0x6d/0x90
[  195.381362][ T5053]  ret_from_fork_asm+0x1a/0x30
[  195.386825][ T5053] 
[  195.389341][ T5053] Uninit was stored to memory at:
[  195.394944][ T5053]  bch2_sort_keys+0x1fdf/0x2cb0
[  195.400091][ T5053]  __bch2_btree_node_write+0x3acd/0x67c0
[  195.406276][ T5053]  bch2_btree_node_write+0xa5/0x2e0
[  195.411878][ T5053]  __btree_node_flush+0x4d0/0x640
[  195.417294][ T5053]  bch2_btree_node_flush0+0x35/0x60
[  195.423001][ T5053]  journal_flush_pins+0xce6/0x1780
[  195.428404][ T5053]  __bch2_journal_reclaim+0xd88/0x1610
[  195.434416][ T5053]  bch2_journal_reclaim_thread+0x18e/0x760
[  195.440522][ T5053]  kthread+0x3e2/0x540
[  195.444914][ T5053]  ret_from_fork+0x6d/0x90
[  195.449705][ T5053]  ret_from_fork_asm+0x1a/0x30
[  195.454895][ T5053] 
[  195.457315][ T5053] Uninit was created at:
[  195.461794][ T5053]  __kmalloc_large_node+0x231/0x370
[  195.467466][ T5053]  __kmalloc_node+0xb10/0x10c0
[  195.472765][ T5053]  kvmalloc_node+0xc0/0x2d0
[  195.477515][ T5053]  bch2_btree_node_read_done+0x4e68/0x75e0
[  195.483762][ T5053]  btree_node_read_work+0x8a5/0x1eb0
[  195.489264][ T5053]  bch2_btree_node_read+0x3d42/0x4b50
[  195.494988][ T5053]  bch2_btree_root_read+0xa6c/0x13d0
[  195.500664][ T5053]  read_btree_roots+0x454/0xee0
[  195.505926][ T5053]  bch2_fs_recovery+0x7b6a/0x93e0
[  195.511220][ T5053]  bch2_fs_start+0x7b2/0xbd0
[  195.516165][ T5053]  bch2_fs_open+0x152a/0x15f0
[  195.521062][ T5053]  bch2_mount+0x90d/0x1d90
[  195.525884][ T5053]  legacy_get_tree+0x114/0x290
[  195.530858][ T5053]  vfs_get_tree+0xa7/0x570
[  195.535766][ T5053]  do_new_mount+0x71f/0x15e0
[  195.541160][ T5053]  path_mount+0x742/0x1f20
[  195.545923][ T5053]  __se_sys_mount+0x725/0x810
[  195.550813][ T5053]  __x64_sys_mount+0xe4/0x150
[  195.555995][ T5053]  x64_sys_call+0x2bf4/0x3b50
[  195.560877][ T5053]  do_syscall_64+0xcf/0x1e0
[  195.565861][ T5053]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  195.572158][ T5053] 
[  195.574891][ T5053] CPU: 1 PID: 5053 Comm: bch-reclaim/loo Not tainted 6.9.0-syzkaller-02707-g614da38e2f7a #0
[  195.585616][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[  195.596224][ T5053] =====================================================
[  195.603834][ T5053] Disabling lock debugging due to kernel taint
[  195.610255][ T5053] Kernel panic - not syncing: kmsan.panic set ...
[  195.616804][ T5053] CPU: 1 PID: 5053 Comm: bch-reclaim/loo Tainted: G    B              6.9.0-syzkaller-02707-g614da38e2f7a #0
[  195.628903][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[  195.639216][ T5053] Call Trace:
[  195.642714][ T5053]  <TASK>
[  195.645755][ T5053]  dump_stack_lvl+0x216/0x2d0
[  195.650660][ T5053]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  195.656680][ T5053]  dump_stack+0x1e/0x30
[  195.661147][ T5053]  panic+0x4e2/0xcd0
[  195.665253][ T5053]  ? kmsan_get_metadata+0xf1/0x1d0
[  195.670586][ T5053]  kmsan_report+0x2d5/0x2e0
[  195.675312][ T5053]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  195.681331][ T5053]  ? __msan_warning+0x95/0x120
[  195.686364][ T5053]  ? bch2_inode_v3_invalid+0x390/0x520
[  195.692072][ T5053]  ? bch2_bkey_val_invalid+0x24f/0x380
[  195.697936][ T5053]  ? validate_bset_keys+0x12d8/0x25d0
[  195.703541][ T5053]  ? validate_bset_for_write+0x1dd/0x340
[  195.709408][ T5053]  ? __bch2_btree_node_write+0x4777/0x67c0
[  195.715486][ T5053]  ? bch2_btree_node_write+0xa5/0x2e0
[  195.721258][ T5053]  ? __btree_node_flush+0x4d0/0x640
[  195.726751][ T5053]  ? bch2_btree_node_flush0+0x35/0x60
[  195.732469][ T5053]  ? journal_flush_pins+0xce6/0x1780
[  195.737951][ T5053]  ? __bch2_journal_reclaim+0xd88/0x1610
[  195.743789][ T5053]  ? bch2_journal_reclaim_thread+0x18e/0x760
[  195.750064][ T5053]  ? kthread+0x3e2/0x540
[  195.754778][ T5053]  ? ret_from_fork+0x6d/0x90
[  195.759557][ T5053]  ? ret_from_fork_asm+0x1a/0x30
[  195.764772][ T5053]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  195.771400][ T5053]  ? kmsan_get_metadata+0x146/0x1d0
[  195.776982][ T5053]  ? kmsan_get_metadata+0x146/0x1d0
[  195.782888][ T5053]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  195.788865][ T5053]  ? kmsan_get_metadata+0x146/0x1d0
[  195.794281][ T5053]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  195.800808][ T5053]  ? bch2_bkey_ptrs_invalid+0x250d/0x2d40
[  195.807019][ T5053]  ? kmsan_get_metadata+0x146/0x1d0
[  195.812564][ T5053]  ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[  195.818864][ T5053]  __msan_warning+0x95/0x120
[  195.823839][ T5053]  bch2_inode_v3_invalid+0x390/0x520
[  195.829407][ T5053]  ? __pfx_bch2_inode_v3_invalid+0x10/0x10
[  195.835935][ T5053]  bch2_bkey_val_invalid+0x24f/0x380
[  195.841473][ T5053]  validate_bset_keys+0x12d8/0x25d0
[  195.847326][ T5053]  validate_bset_for_write+0x1dd/0x340
[  195.853309][ T5053]  __bch2_btree_node_write+0x4777/0x67c0
[  195.859258][ T5053]  ? __update_load_avg_cfs_rq+0x121/0x10e0
[  195.865821][ T5053]  bch2_btree_node_write+0xa5/0x2e0
[  195.871554][ T5053]  __btree_node_flush+0x4d0/0x640
[  195.876914][ T5053]  ? __btree_node_flush+0xd1/0x640
[  195.882247][ T5053]  ? __pfx_bch2_btree_node_flush0+0x10/0x10
[  195.888551][ T5053]  bch2_btree_node_flush0+0x35/0x60
[  195.895193][ T5053]  journal_flush_pins+0xce6/0x1780
[  195.900813][ T5053]  __bch2_journal_reclaim+0xd88/0x1610
[  195.906710][ T5053]  ? __try_to_del_timer_sync+0x3d3/0x420
[  195.912578][ T5053]  bch2_journal_reclaim_thread+0x18e/0x760
[  195.918821][ T5053]  kthread+0x3e2/0x540
[  195.923090][ T5053]  ? __pfx_bch2_journal_reclaim_thread+0x10/0x10
[  195.929577][ T5053]  ? __pfx_kthread+0x10/0x10
[  195.934328][ T5053]  ret_from_fork+0x6d/0x90
[  195.938931][ T5053]  ? __pfx_kthread+0x10/0x10
[  195.943714][ T5053]  ret_from_fork_asm+0x1a/0x30
[  195.948655][ T5053]  </TASK>
[  195.952241][ T5053] Kernel Offset: disabled
[  195.956658][ T5053] Rebooting in 86400 seconds..