./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1601824578

<...>
Warning: Permanently added '10.128.0.2' (ED25519) to the list of known hosts.
execve("./syz-executor1601824578", ["./syz-executor1601824578"], 0x7ffe68cf1360 /* 10 vars */) = 0
brk(NULL)                               = 0x555555c99000
brk(0x555555c99d00)                     = 0x555555c99d00
arch_prctl(ARCH_SET_FS, 0x555555c99380) = 0
set_tid_address(0x555555c99650)         = 5063
set_robust_list(0x555555c99660, 24)     = 0
rseq(0x555555c99ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1601824578", 4096) = 28
getrandom("\x67\x0e\x70\xd7\x1e\xd9\x74\x97", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555c99d00
brk(0x555555cbad00)                     = 0x555555cbad00
brk(0x555555cbb000)                     = 0x555555cbb000
mprotect(0x7fd9668e0000, 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=0x555555c99650) = 5065
./strace-static-x86_64: Process 5065 attached
[pid  5065] set_robust_list(0x555555c99660, 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] memfd_create("syzkaller", 0) = 3
[pid  5065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5065] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5065] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5065] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5065] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5065] close(3)                    = 0
[pid  5065] mkdir("./file0", 0777)      = 0
[pid  5065] mount("/dev/loop0", "./file0", "ntfs", 0, "") = 0
[pid  5065] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5065] chdir("./file0")            = 0
[pid  5065] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5065] close(4)                    = 0
[pid  5065] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 4
[   54.495461][ T5065] loop0: detected capacity change from 0 to 4096
[   54.531241][ T5065] ntfs: volume version 3.1.
[pid  5065] pwrite64(4, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5065] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 5
[pid  5065] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 6
[   54.587460][ T5065] ntfs: (device loop0): ntfs_cluster_alloc(): Failed to allocate clusters, aborting (error -28).
[pid  5065] sendfile(6, 5, [88] => [95], 7) = 7
[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=17 /* 0.17 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 5066 attached
 <unfinished ...>
[pid  5066] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5066
[pid  5066] <... set_robust_list resumed>) = 0
[   54.713463][ T5065] syz-executor160 (5065): drop_caches: 1
[pid  5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5066] setpgid(0, 0)               = 0
[pid  5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5066] write(3, "1000", 4)         = 4
[pid  5066] close(3)                    = 0
[pid  5066] memfd_create("syzkaller", 0) = 3
[pid  5066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5066] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5066] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5066] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5066] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5066] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5066] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5066] close(4)                    = 0
[pid  5066] close(3)                    = 0
[pid  5066] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5066] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5066] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5066] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5066] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5066] exit_group(0)               = ?
[pid  5066] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5066, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 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=0x555555c99650) = 5067
[pid  5067] set_robust_list(0x555555c99660, 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
[   54.937093][ T5066] syz-executor160 (5066): drop_caches: 1
[pid  5067] memfd_create("syzkaller", 0) = 3
[pid  5067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5067] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5067] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5067] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5067] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5067] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5067] close(4)                    = 0
[pid  5067] close(3)                    = 0
[pid  5067] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5067] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5067] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5067] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5067] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5067] exit_group(0)               = ?
[pid  5067] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5068 attached
, child_tidptr=0x555555c99650) = 5068
[pid  5068] set_robust_list(0x555555c99660, 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
[   55.108512][ T5067] syz-executor160 (5067): drop_caches: 1
[pid  5068] memfd_create("syzkaller", 0) = 3
[pid  5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5068] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5068] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5068] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5068] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5068] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5068] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5068] close(4)                    = 0
[pid  5068] close(3)                    = 0
[pid  5068] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5068] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5068] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5068] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5068] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5068] exit_group(0)               = ?
[pid  5068] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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(0x555555c99660, 24) = 0
[pid  5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5069
[pid  5069] setpgid(0, 0)               = 0
[pid  5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5069] write(3, "1000", 4)         = 4
[pid  5069] close(3)                    = 0
[pid  5069] memfd_create("syzkaller", 0) = 3
[pid  5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   55.285374][ T5068] syz-executor160 (5068): drop_caches: 1
[pid  5069] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5069] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5069] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5069] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5069] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5069] close(4)                    = 0
[pid  5069] close(3)                    = 0
[pid  5069] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5069] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5069] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5069] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5069] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5069] exit_group(0)               = ?
[pid  5069] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5070 attached
, child_tidptr=0x555555c99650) = 5070
[pid  5070] set_robust_list(0x555555c99660, 24) = 0
[   55.499317][ T5069] syz-executor160 (5069): drop_caches: 1
[pid  5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5070] setpgid(0, 0)               = 0
[pid  5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5070] write(3, "1000", 4)         = 4
[pid  5070] close(3)                    = 0
[pid  5070] memfd_create("syzkaller", 0) = 3
[pid  5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5070] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5070] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5070] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5070] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5070] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5070] close(4)                    = 0
[pid  5070] close(3)                    = 0
[pid  5070] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5070] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5070] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5070] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5070] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5070] exit_group(0)               = ?
[pid  5070] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5071 attached
, child_tidptr=0x555555c99650) = 5071
[pid  5071] set_robust_list(0x555555c99660, 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
[pid  5071] close(3)                    = 0
[pid  5071] memfd_create("syzkaller", 0) = 3
[pid  5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   55.709650][ T5070] syz-executor160 (5070): drop_caches: 1
[pid  5071] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5071] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5071] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5071] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5071] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5071] close(4)                    = 0
[pid  5071] close(3)                    = 0
[pid  5071] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5071] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5071] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5071] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5071] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5071] exit_group(0)               = ?
[pid  5071] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5072 attached
, child_tidptr=0x555555c99650) = 5072
[pid  5072] set_robust_list(0x555555c99660, 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
[   55.903559][ T5071] syz-executor160 (5071): drop_caches: 1
[pid  5072] memfd_create("syzkaller", 0) = 3
[pid  5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5072] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5072] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5072] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5072] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5072] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5072] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5072] close(4)                    = 0
[pid  5072] close(3)                    = 0
[pid  5072] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5072] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5072] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5072] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5072] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5072] exit_group(0)               = ?
[pid  5072] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 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=0x555555c99650) = 5073
[pid  5073] set_robust_list(0x555555c99660, 24) = 0
[pid  5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5073] setpgid(0, 0)               = 0
[pid  5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5073] write(3, "1000", 4)         = 4
[pid  5073] close(3)                    = 0
[   56.129778][ T5072] syz-executor160 (5072): drop_caches: 1
[pid  5073] memfd_create("syzkaller", 0) = 3
[pid  5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5073] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5073] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5073] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5073] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5073] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5073] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5073] close(4)                    = 0
[pid  5073] close(3)                    = 0
[pid  5073] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5073] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5073] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5073] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5073] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5073] exit_group(0)               = ?
[pid  5073] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5074 attached
 <unfinished ...>
[pid  5074] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5074
[pid  5074] <... set_robust_list resumed>) = 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
[   56.293110][ T5073] syz-executor160 (5073): drop_caches: 1
[pid  5074] memfd_create("syzkaller", 0) = 3
[pid  5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5074] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5074] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5074] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5074] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5074] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5074] close(4)                    = 0
[pid  5074] close(3)                    = 0
[pid  5074] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5074] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5074] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5074] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5074] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5074] exit_group(0)               = ?
[pid  5074] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5075 attached
, child_tidptr=0x555555c99650) = 5075
[pid  5075] set_robust_list(0x555555c99660, 24) = 0
[pid  5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5075] setpgid(0, 0)               = 0
[   56.492568][ T5074] syz-executor160 (5074): drop_caches: 1
[pid  5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5075] write(3, "1000", 4)         = 4
[pid  5075] close(3)                    = 0
[pid  5075] memfd_create("syzkaller", 0) = 3
[pid  5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5075] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5075] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5075] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5075] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5075] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5075] close(4)                    = 0
[pid  5075] close(3)                    = 0
[pid  5075] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5075] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5075] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5075] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5075] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5075] exit_group(0)               = ?
[pid  5075] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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
 <unfinished ...>
[pid  5076] set_robust_list(0x555555c99660, 24) = 0
[pid  5076] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5076
[pid  5076] <... prctl resumed>)        = 0
[   56.702675][ T5075] syz-executor160 (5075): drop_caches: 1
[pid  5076] setpgid(0, 0)               = 0
[pid  5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5076] write(3, "1000", 4)         = 4
[pid  5076] close(3)                    = 0
[pid  5076] memfd_create("syzkaller", 0) = 3
[pid  5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5076] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5076] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5076] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5076] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5076] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5076] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5076] close(4)                    = 0
[pid  5076] close(3)                    = 0
[pid  5076] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5076] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5076] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5076] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5076] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5076] exit_group(0)               = ?
[pid  5076] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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=0x555555c99650) = 5077
[pid  5077] set_robust_list(0x555555c99660, 24) = 0
[pid  5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5077] setpgid(0, 0)               = 0
[pid  5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5077] write(3, "1000", 4)         = 4
[pid  5077] close(3)                    = 0
[pid  5077] memfd_create("syzkaller", 0) = 3
[pid  5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   56.868631][ T5076] syz-executor160 (5076): drop_caches: 1
[pid  5077] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5077] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5077] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5077] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5077] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5077] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5077] close(4)                    = 0
[pid  5077] close(3)                    = 0
[pid  5077] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5077] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5077] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5077] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5077] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5077] exit_group(0)               = ?
[pid  5077] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 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 5078 attached
, child_tidptr=0x555555c99650) = 5078
[pid  5078] set_robust_list(0x555555c99660, 24) = 0
[pid  5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5078] setpgid(0, 0)               = 0
[pid  5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[   57.030482][ T5077] syz-executor160 (5077): drop_caches: 1
[pid  5078] write(3, "1000", 4)         = 4
[pid  5078] close(3)                    = 0
[pid  5078] memfd_create("syzkaller", 0) = 3
[pid  5078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5078] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5078] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5078] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5078] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5078] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5078] close(4)                    = 0
[pid  5078] close(3)                    = 0
[pid  5078] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5078] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5078] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5078] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5078] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5078] exit_group(0)               = ?
[pid  5078] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 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 5079 attached
, child_tidptr=0x555555c99650) = 5079
[pid  5079] set_robust_list(0x555555c99660, 24) = 0
[pid  5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5079] setpgid(0, 0)               = 0
[pid  5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5079] write(3, "1000", 4)         = 4
[pid  5079] close(3)                    = 0
[pid  5079] memfd_create("syzkaller", 0) = 3
[pid  5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   57.212927][ T5078] syz-executor160 (5078): drop_caches: 1
[pid  5079] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5079] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5079] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5079] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5079] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5079] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5079] close(4)                    = 0
[pid  5079] close(3)                    = 0
[pid  5079] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5079] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5079] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5079] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5079] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5079] exit_group(0)               = ?
[pid  5079] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 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=0x555555c99650) = 5080
[pid  5080] set_robust_list(0x555555c99660, 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
[   57.354975][ T5079] syz-executor160 (5079): drop_caches: 1
[pid  5080] memfd_create("syzkaller", 0) = 3
[pid  5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5080] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5080] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5080] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5080] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5080] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5080] close(4)                    = 0
[pid  5080] close(3)                    = 0
[pid  5080] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5080] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5080] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5080] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5080] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5080] exit_group(0)               = ?
[pid  5080] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5081 attached
, child_tidptr=0x555555c99650) = 5081
[pid  5081] set_robust_list(0x555555c99660, 24) = 0
[pid  5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5081] setpgid(0, 0)               = 0
[pid  5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5081] write(3, "1000", 4)         = 4
[   57.510860][ T5080] syz-executor160 (5080): drop_caches: 1
[pid  5081] close(3)                    = 0
[pid  5081] memfd_create("syzkaller", 0) = 3
[pid  5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5081] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5081] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5081] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5081] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5081] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5081] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5081] close(4)                    = 0
[pid  5081] close(3)                    = 0
[pid  5081] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5081] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5081] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5081] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5081] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5081] exit_group(0)               = ?
[pid  5081] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5082 attached
 <unfinished ...>
[pid  5082] set_robust_list(0x555555c99660, 24) = 0
[pid  5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5082] setpgid(0, 0 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5082
[pid  5082] <... setpgid resumed>)      = 0
[pid  5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5082] write(3, "1000", 4)         = 4
[pid  5082] close(3)                    = 0
[pid  5082] memfd_create("syzkaller", 0) = 3
[pid  5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   57.684912][ T5081] syz-executor160 (5081): drop_caches: 1
[pid  5082] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5082] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5082] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5082] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5082] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5082] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5082] close(4)                    = 0
[pid  5082] close(3)                    = 0
[pid  5082] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5082] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5082] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5082] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5082] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5082] exit_group(0)               = ?
[pid  5082] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 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=0x555555c99650) = 5083
./strace-static-x86_64: Process 5083 attached
[pid  5083] set_robust_list(0x555555c99660, 24) = 0
[pid  5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5083] setpgid(0, 0)               = 0
[   57.823846][ T5082] syz-executor160 (5082): drop_caches: 1
[pid  5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5083] write(3, "1000", 4)         = 4
[pid  5083] close(3)                    = 0
[pid  5083] memfd_create("syzkaller", 0) = 3
[pid  5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5083] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5083] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5083] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5083] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5083] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5083] close(4)                    = 0
[pid  5083] close(3)                    = 0
[pid  5083] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5083] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5083] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5083] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5083] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5083] exit_group(0)               = ?
[pid  5083] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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
 <unfinished ...>
[pid  5084] set_robust_list(0x555555c99660, 24) = 0
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5084
[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
[   58.042343][ T5083] syz-executor160 (5083): drop_caches: 1
[pid  5084] write(3, "1000", 4)         = 4
[pid  5084] close(3)                    = 0
[pid  5084] memfd_create("syzkaller", 0) = 3
[pid  5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5084] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5084] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5084] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5084] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5084] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5084] close(4)                    = 0
[pid  5084] close(3)                    = 0
[pid  5084] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5084] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5084] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5084] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5084] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5084] exit_group(0)               = ?
[pid  5084] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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=0x555555c99650) = 5085
[pid  5085] set_robust_list(0x555555c99660, 24) = 0
[pid  5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5085] setpgid(0, 0)               = 0
[pid  5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5085] write(3, "1000", 4)         = 4
[pid  5085] close(3)                    = 0
[pid  5085] memfd_create("syzkaller", 0) = 3
[pid  5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   58.244077][ T5084] syz-executor160 (5084): drop_caches: 1
[pid  5085] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5085] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5085] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5085] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5085] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5085] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5085] close(4)                    = 0
[pid  5085] close(3)                    = 0
[pid  5085] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5085] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5085] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5085] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5085] sendfile(5, 4, [88] => [95], 7) = 7
[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=6 /* 0.06 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=0x555555c99650) = 5086
./strace-static-x86_64: Process 5086 attached
[pid  5086] set_robust_list(0x555555c99660, 24) = 0
[pid  5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5086] setpgid(0, 0)               = 0
[pid  5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5086] write(3, "1000", 4)         = 4
[pid  5086] close(3)                    = 0
[pid  5086] memfd_create("syzkaller", 0) = 3
[pid  5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   58.386127][ T5085] syz-executor160 (5085): drop_caches: 1
[pid  5086] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5086] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5086] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5086] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5086] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5086] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5086] close(4)                    = 0
[pid  5086] close(3)                    = 0
[pid  5086] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5086] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5086] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5086] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5086] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5086] exit_group(0)               = ?
[pid  5086] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 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 5087 attached
, child_tidptr=0x555555c99650) = 5087
[pid  5087] set_robust_list(0x555555c99660, 24) = 0
[pid  5087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5087] setpgid(0, 0)               = 0
[pid  5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5087] write(3, "1000", 4)         = 4
[pid  5087] close(3)                    = 0
[pid  5087] memfd_create("syzkaller", 0) = 3
[pid  5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   58.522560][ T5086] syz-executor160 (5086): drop_caches: 1
[pid  5087] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5087] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5087] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5087] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5087] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5087] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5087] close(4)                    = 0
[pid  5087] close(3)                    = 0
[pid  5087] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5087] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5087] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5087] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5087] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5087] exit_group(0)               = ?
[pid  5087] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5088 attached
, child_tidptr=0x555555c99650) = 5088
[pid  5088] set_robust_list(0x555555c99660, 24) = 0
[pid  5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5088] setpgid(0, 0)               = 0
[pid  5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5088] write(3, "1000", 4)         = 4
[pid  5088] close(3)                    = 0
[pid  5088] memfd_create("syzkaller", 0) = 3
[pid  5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   58.674833][ T5087] syz-executor160 (5087): drop_caches: 1
[pid  5088] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5088] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5088] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5088] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5088] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5088] close(4)                    = 0
[pid  5088] close(3)                    = 0
[pid  5088] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5088] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5088] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5088] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5088] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5088] exit_group(0)               = ?
[pid  5088] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 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
 <unfinished ...>
[pid  5089] set_robust_list(0x555555c99660, 24) = 0
[pid  5089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5089
[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
[   58.848718][ T5088] syz-executor160 (5088): drop_caches: 1
[pid  5089] memfd_create("syzkaller", 0) = 3
[pid  5089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5089] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5089] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5089] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5089] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5089] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5089] close(4)                    = 0
[pid  5089] close(3)                    = 0
[pid  5089] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5089] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5089] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5089] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5089] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5089] exit_group(0)               = ?
[pid  5089] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 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 5090 attached
 <unfinished ...>
[pid  5090] set_robust_list(0x555555c99660, 24) = 0
[pid  5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5090] setpgid(0, 0)               = 0
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5090
[pid  5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5090] write(3, "1000", 4)         = 4
[pid  5090] close(3)                    = 0
[pid  5090] memfd_create("syzkaller", 0) = 3
[pid  5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   59.028324][ T5089] syz-executor160 (5089): drop_caches: 1
[pid  5090] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5090] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5090] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5090] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5090] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5090] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5090] close(4)                    = 0
[pid  5090] close(3)                    = 0
[pid  5090] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5090] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5090] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5090] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5090] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5090] exit_group(0)               = ?
[pid  5090] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 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=0x555555c99650) = 5091
[pid  5091] set_robust_list(0x555555c99660, 24) = 0
[pid  5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5091] setpgid(0, 0)               = 0
[pid  5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5091] write(3, "1000", 4)         = 4
[pid  5091] close(3)                    = 0
[pid  5091] memfd_create("syzkaller", 0) = 3
[pid  5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   59.194068][ T5090] syz-executor160 (5090): drop_caches: 1
[pid  5091] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5091] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5091] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5091] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5091] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5091] close(4)                    = 0
[pid  5091] close(3)                    = 0
[pid  5091] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5091] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5091] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5091] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5091] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5091] exit_group(0)               = ?
[pid  5091] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 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=0x555555c99650) = 5092
./strace-static-x86_64: Process 5092 attached
[pid  5092] set_robust_list(0x555555c99660, 24) = 0
[pid  5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5092] setpgid(0, 0)               = 0
[pid  5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5092] write(3, "1000", 4)         = 4
[pid  5092] close(3)                    = 0
[   59.358112][ T5091] syz-executor160 (5091): drop_caches: 1
[pid  5092] memfd_create("syzkaller", 0) = 3
[pid  5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5092] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5092] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5092] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5092] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5092] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5092] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5092] close(4)                    = 0
[pid  5092] close(3)                    = 0
[pid  5092] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5092] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5092] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5092] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5092] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5092] exit_group(0)               = ?
[pid  5092] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
[   59.534347][ T5092] syz-executor160 (5092): drop_caches: 1
[   59.550118][ T4356] 
[   59.552452][ T4356] ======================================================
[   59.559448][ T4356] WARNING: possible circular locking dependency detected
[   59.566444][ T4356] 6.7.0-rc1-syzkaller-00311-g05aa69b096a0 #0 Not tainted
[   59.573442][ T4356] ------------------------------------------------------
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555c99650) = 5093
./strace-static-x86_64: Process 5093 attached
[   59.580452][ T4356] kworker/u4:9/4356 is trying to acquire lock:
[   59.586599][ T4356] ffff88807cb78940 (&rl->lock){++++}-{3:3}, at: ntfs_read_folio+0x1a98/0x2430
[   59.595519][ T4356] 
[   59.595519][ T4356] but task is already holding lock:
[   59.602862][ T4356] ffff88807caf2290 (&ni->mrec_lock){+.+.}-{3:3}, at: map_mft_record+0x4a/0x730
[   59.611808][ T4356] 
[   59.611808][ T4356] which lock already depends on the new lock.
[   59.611808][ T4356] 
[   59.622554][ T4356] 
[   59.622554][ T4356] the existing dependency chain (in reverse order) is:
[   59.631548][ T4356] 
[   59.631548][ T4356] -> #1 (&ni->mrec_lock){+.+.}-{3:3}:
[   59.639089][ T4356]        __mutex_lock+0x175/0x9d0
[   59.644106][ T4356]        map_mft_record+0x4a/0x730
[   59.649199][ T4356]        ntfs_attr_extend_allocation+0x268/0x3840
[   59.655603][ T4356]        ntfs_file_write_iter+0xaa0/0x2070
[   59.661389][ T4356]        vfs_write+0x64f/0xdf0
[   59.666137][ T4356]        __x64_sys_pwrite64+0x1fa/0x250
[   59.671664][ T4356]        do_syscall_64+0x40/0x110
[   59.676674][ T4356]        entry_SYSCALL_64_after_hwframe+0x63/0x6b
[   59.683078][ T4356] 
[   59.683078][ T4356] -> #0 (&rl->lock){++++}-{3:3}:
[   59.690179][ T4356]        __lock_acquire+0x2464/0x3b10
[   59.695544][ T4356]        lock_acquire+0x1ae/0x520
[   59.700559][ T4356]        down_read+0x9a/0x330
[   59.705224][ T4356]        ntfs_read_folio+0x1a98/0x2430
[   59.710673][ T4356]        filemap_read_folio+0xe9/0x2c0
[   59.716114][ T4356]        do_read_cache_folio+0x205/0x540
[   59.721731][ T4356]        read_cache_page+0x5b/0x160
[   59.726912][ T4356]        ntfs_sync_mft_mirror+0x242/0x1ed0
[   59.732700][ T4356]        write_mft_record_nolock+0x1977/0x1da0
[   59.738835][ T4356]        write_mft_record+0x14b/0x380
[   59.744192][ T4356]        __ntfs_write_inode+0x91b/0xc30
[   59.749724][ T4356]        __writeback_single_inode+0xa91/0xe90
[   59.755813][ T4356]        writeback_sb_inodes+0x599/0x1080
[   59.761515][ T4356]        __writeback_inodes_wb+0xff/0x2d0
[   59.767218][ T4356]        wb_writeback+0x7f8/0xaa0
[   59.772221][ T4356]        wb_workfn+0x87c/0xfe0
[   59.776973][ T4356]        process_one_work+0x886/0x15d0
[   59.782420][ T4356]        worker_thread+0x8b9/0x1290
[   59.787693][ T4356]        kthread+0x2c6/0x3a0
[   59.792269][ T4356]        ret_from_fork+0x45/0x80
[   59.797192][ T4356]        ret_from_fork_asm+0x11/0x20
[   59.802471][ T4356] 
[   59.802471][ T4356] other info that might help us debug this:
[   59.802471][ T4356] 
[   59.812679][ T4356]  Possible unsafe locking scenario:
[   59.812679][ T4356] 
[   59.820106][ T4356]        CPU0                    CPU1
[   59.825456][ T4356]        ----                    ----
[   59.830801][ T4356]   lock(&ni->mrec_lock);
[   59.835114][ T4356]                                lock(&rl->lock);
[   59.841510][ T4356]                                lock(&ni->mrec_lock);
[   59.848337][ T4356]   rlock(&rl->lock);
[   59.852299][ T4356] 
[   59.852299][ T4356]  *** DEADLOCK ***
[   59.852299][ T4356] 
[   59.860424][ T4356] 4 locks held by kworker/u4:9/4356:
[   59.865687][ T4356]  #0: ffff88814004cd38 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0
[   59.876302][ T4356]  #1: ffffc9000e5e7d80 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0
[   59.888117][ T4356]  #2: ffff888018bca0e0 (&type->s_umount_key#45){++++}-{3:3}, at: super_trylock_shared+0x1e/0xf0
[   59.899066][ T4356]  #3: ffff88807caf2290 (&ni->mrec_lock){+.+.}-{3:3}, at: map_mft_record+0x4a/0x730
[   59.908442][ T4356] 
[   59.908442][ T4356] stack backtrace:
[   59.914306][ T4356] CPU: 1 PID: 4356 Comm: kworker/u4:9 Not tainted 6.7.0-rc1-syzkaller-00311-g05aa69b096a0 #0
[   59.924437][ T4356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
[   59.934480][ T4356] Workqueue: writeback wb_workfn (flush-7:0)
[   59.940458][ T4356] Call Trace:
[   59.943723][ T4356]  <TASK>
[   59.946664][ T4356]  dump_stack_lvl+0xd9/0x1b0
[   59.951247][ T4356]  check_noncircular+0x317/0x400
[   59.956187][ T4356]  ? print_circular_bug+0x5c0/0x5c0
[   59.961379][ T4356]  ? lockdep_lock+0xc6/0x200
[   59.965961][ T4356]  ? hlock_class+0x130/0x130
[   59.970539][ T4356]  __lock_acquire+0x2464/0x3b10
[   59.975384][ T4356]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[   59.981359][ T4356]  lock_acquire+0x1ae/0x520
[   59.985853][ T4356]  ? ntfs_read_folio+0x1a98/0x2430
[   59.990954][ T4356]  ? lock_sync+0x190/0x190
[   59.995361][ T4356]  ? find_held_lock+0x2d/0x110
[   60.000112][ T4356]  ? preempt_count_sub+0x160/0x160
[   60.005209][ T4356]  down_read+0x9a/0x330
[   60.009358][ T4356]  ? ntfs_read_folio+0x1a98/0x2430
[   60.014460][ T4356]  ? rwsem_down_read_slowpath+0xb20/0xb20
[   60.020172][ T4356]  ? mark_held_locks+0x9f/0xe0
[   60.024928][ T4356]  ? _raw_read_unlock_irqrestore+0x4e/0x70
[   60.030721][ T4356]  ntfs_read_folio+0x1a98/0x2430
[   60.035657][ T4356]  ? __print_lock_name+0x260/0x260
[   60.040848][ T4356]  ? ntfs_end_buffer_async_read+0x18e0/0x18e0
[   60.046909][ T4356]  ? folio_add_lru+0x451/0x7f0
[   60.051658][ T4356]  ? ntfs_end_buffer_async_read+0x18e0/0x18e0
[   60.057716][ T4356]  filemap_read_folio+0xe9/0x2c0
[   60.062642][ T4356]  ? __folio_lock_killable+0x20/0x20
[   60.067909][ T4356]  ? __filemap_get_folio+0x2b0/0xaa0
[   60.073178][ T4356]  ? find_held_lock+0x2d/0x110
[   60.077932][ T4356]  do_read_cache_folio+0x205/0x540
[   60.083029][ T4356]  ? ntfs_end_buffer_async_read+0x18e0/0x18e0
[   60.089089][ T4356]  read_cache_page+0x5b/0x160
[   60.093751][ T4356]  ntfs_sync_mft_mirror+0x242/0x1ed0
[   60.099027][ T4356]  ? should_fail_request+0x80/0x80
[   60.104132][ T4356]  ? preempt_count_sub+0x160/0x160
[   60.109227][ T4356]  ? ntfs_mft_bitmap_extend_allocation_nolock+0x1f10/0x1f10
[   60.116504][ T4356]  write_mft_record_nolock+0x1977/0x1da0
[   60.122128][ T4356]  ? mark_held_locks+0x9f/0xe0
[   60.126996][ T4356]  ? ntfs_sync_mft_mirror+0x1ed0/0x1ed0
[   60.132547][ T4356]  ? preempt_count_sub+0x160/0x160
[   60.137652][ T4356]  write_mft_record+0x14b/0x380
[   60.142495][ T4356]  __ntfs_write_inode+0x91b/0xc30
[   60.147506][ T4356]  __writeback_single_inode+0xa91/0xe90
[   60.153060][ T4356]  ? __mark_inode_dirty+0xd60/0xd60
[   60.158244][ T4356]  ? _raw_spin_unlock+0x28/0x40
[   60.163086][ T4356]  ? wbc_attach_and_unlock_inode+0x561/0x910
[   60.169053][ T4356]  writeback_sb_inodes+0x599/0x1080
[   60.174240][ T4356]  ? sync_inode_metadata+0xe0/0xe0
[   60.179338][ T4356]  ? do_raw_spin_lock+0x12e/0x2b0
[   60.184351][ T4356]  ? move_expired_inodes+0x59e/0x850
[   60.189632][ T4356]  __writeback_inodes_wb+0xff/0x2d0
[   60.194815][ T4356]  ? writeback_sb_inodes+0x1080/0x1080
[   60.200257][ T4356]  ? queue_io+0x3ed/0x4e0
[   60.204575][ T4356]  wb_writeback+0x7f8/0xaa0
[   60.209068][ T4356]  ? __writeback_inodes_wb+0x2d0/0x2d0
[   60.214527][ T4356]  ? get_nr_dirty_inodes+0x176/0x1e0
[   60.219805][ T4356]  wb_workfn+0x87c/0xfe0
[   60.224034][ T4356]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[   60.230008][ T4356]  ? inode_wait_for_writeback+0x30/0x30
[   60.235540][ T4356]  ? lock_sync+0x190/0x190
[   60.239947][ T4356]  ? lock_sync+0x190/0x190
[   60.244369][ T4356]  process_one_work+0x886/0x15d0
[   60.249306][ T4356]  ? lock_sync+0x190/0x190
[   60.253713][ T4356]  ? workqueue_congested+0x300/0x300
[   60.259008][ T4356]  ? assign_work+0x1a0/0x250
[   60.263594][ T4356]  worker_thread+0x8b9/0x1290
[   60.268263][ T4356]  ? __kthread_parkme+0x14b/0x220
[   60.273275][ T4356]  ? process_one_work+0x15d0/0x15d0
[   60.278463][ T4356]  kthread+0x2c6/0x3a0
[   60.282535][ T4356]  ? _raw_spin_unlock_irq+0x23/0x50
[pid  5093] set_robust_list(0x555555c99660, 24) = 0
[pid  5093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5093] setpgid(0, 0)               = 0
[pid  5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5093] write(3, "1000", 4)         = 4
[pid  5093] close(3)                    = 0
[pid  5093] memfd_create("syzkaller", 0) = 3
[pid  5093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   60.287719][ T4356]  ? kthread_complete_and_exit+0x40/0x40
[   60.293344][ T4356]  ret_from_fork+0x45/0x80
[   60.297752][ T4356]  ? kthread_complete_and_exit+0x40/0x40
[   60.303372][ T4356]  ret_from_fork_asm+0x11/0x20
[   60.308131][ T4356]  </TASK>
[pid  5093] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5093] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5093] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5093] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5093] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5093] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5093] close(4)                    = 0
[pid  5093] close(3)                    = 0
[pid  5093] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5093] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5093] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5093] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5093] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5093] exit_group(0)               = ?
[pid  5093] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 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=0x555555c99650) = 5094
[pid  5094] set_robust_list(0x555555c99660, 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
[pid  5094] memfd_create("syzkaller", 0) = 3
[pid  5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   60.448046][ T5093] syz-executor160 (5093): drop_caches: 1
[pid  5094] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5094] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5094] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5094] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5094] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5094] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5094] close(4)                    = 0
[pid  5094] close(3)                    = 0
[pid  5094] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5094] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5094] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5094] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5094] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5094] exit_group(0)               = ?
[pid  5094] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 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(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5095
[pid  5095] <... set_robust_list resumed>) = 0
[   60.576830][ T5094] syz-executor160 (5094): drop_caches: 1
[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] memfd_create("syzkaller", 0) = 3
[pid  5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5095] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5095] munmap(0x7fd95e40f000, 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] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5095] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5095] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5095] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5095] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5095] exit_group(0)               = ?
[pid  5095] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached
 <unfinished ...>
[pid  5096] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5096
[pid  5096] <... set_robust_list resumed>) = 0
[pid  5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5096] setpgid(0, 0)               = 0
[pid  5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[   60.795005][ T5095] syz-executor160 (5095): drop_caches: 1
[pid  5096] write(3, "1000", 4)         = 4
[pid  5096] close(3)                    = 0
[pid  5096] memfd_create("syzkaller", 0) = 3
[pid  5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5096] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5096] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5096] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5096] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5096] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5096] close(4)                    = 0
[pid  5096] close(3)                    = 0
[pid  5096] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5096] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5096] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5096] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5096] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5096] exit_group(0)               = ?
[pid  5096] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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 5097 attached
 <unfinished ...>
[pid  5097] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5097
[pid  5097] <... set_robust_list resumed>) = 0
[pid  5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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
[pid  5097] memfd_create("syzkaller", 0) = 3
[pid  5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   60.945418][ T5096] syz-executor160 (5096): drop_caches: 1
[pid  5097] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5097] munmap(0x7fd95e40f000, 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] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5097] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5097] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5097] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5097] sendfile(5, 4, [88] => [95], 7) = 7
[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=0, si_stime=5 /* 0.05 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 5098 attached
, child_tidptr=0x555555c99650) = 5098
[pid  5098] set_robust_list(0x555555c99660, 24) = 0
[   61.132293][ T5097] syz-executor160 (5097): drop_caches: 1
[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
[pid  5098] memfd_create("syzkaller", 0) = 3
[pid  5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5098] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5098] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5098] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5098] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5098] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5098] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5098] close(4)                    = 0
[pid  5098] close(3)                    = 0
[pid  5098] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5098] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5098] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5098] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5098] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5098] exit_group(0)               = ?
[pid  5098] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5099 attached
 <unfinished ...>
[pid  5099] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5099
[pid  5099] <... set_robust_list resumed>) = 0
[pid  5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5099] setpgid(0, 0)               = 0
[pid  5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[   61.268259][ T5098] syz-executor160 (5098): drop_caches: 1
[pid  5099] write(3, "1000", 4)         = 4
[pid  5099] close(3)                    = 0
[pid  5099] memfd_create("syzkaller", 0) = 3
[pid  5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5099] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5099] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5099] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5099] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5099] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5099] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5099] close(4)                    = 0
[pid  5099] close(3)                    = 0
[pid  5099] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5099] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5099] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5099] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5099] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5099] exit_group(0)               = ?
[pid  5099] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5100 attached
 <unfinished ...>
[pid  5100] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5100
[pid  5100] <... set_robust_list resumed>) = 0
[pid  5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5100] setpgid(0, 0)               = 0
[pid  5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5100] write(3, "1000", 4)         = 4
[pid  5100] close(3)                    = 0
[pid  5100] memfd_create("syzkaller", 0) = 3
[pid  5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   61.459933][ T5099] syz-executor160 (5099): drop_caches: 1
[pid  5100] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5100] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5100] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5100] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5100] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5100] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5100] close(4)                    = 0
[pid  5100] close(3)                    = 0
[pid  5100] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5100] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5100] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5100] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5100] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5100] exit_group(0)               = ?
[pid  5100] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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 5101 attached
 <unfinished ...>
[pid  5101] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5101
[pid  5101] <... set_robust_list resumed>) = 0
[pid  5101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5101] setpgid(0, 0)               = 0
[   61.609610][ T5100] syz-executor160 (5100): drop_caches: 1
[pid  5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5101] write(3, "1000", 4)         = 4
[pid  5101] close(3)                    = 0
[pid  5101] memfd_create("syzkaller", 0) = 3
[pid  5101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5101] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5101] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5101] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5101] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5101] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5101] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5101] close(4)                    = 0
[pid  5101] close(3)                    = 0
[pid  5101] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5101] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5101] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5101] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5101] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5101] exit_group(0)               = ?
[pid  5101] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached
 <unfinished ...>
[pid  5102] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5102
[pid  5102] <... set_robust_list resumed>) = 0
[pid  5102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5102] setpgid(0, 0)               = 0
[pid  5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5102] write(3, "1000", 4)         = 4
[pid  5102] close(3)                    = 0
[pid  5102] memfd_create("syzkaller", 0) = 3
[   61.795384][ T5101] syz-executor160 (5101): drop_caches: 1
[pid  5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5102] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5102] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5102] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5102] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5102] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5102] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5102] close(4)                    = 0
[pid  5102] close(3)                    = 0
[pid  5102] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5102] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5102] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5102] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5102] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5102] exit_group(0)               = ?
[pid  5102] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached
 <unfinished ...>
[pid  5103] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5103
[pid  5103] <... set_robust_list resumed>) = 0
[   61.939255][ T5102] syz-executor160 (5102): drop_caches: 1
[pid  5103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5103] setpgid(0, 0)               = 0
[pid  5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5103] write(3, "1000", 4)         = 4
[pid  5103] close(3)                    = 0
[pid  5103] memfd_create("syzkaller", 0) = 3
[pid  5103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5103] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5103] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5103] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5103] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5103] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5103] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5103] close(4)                    = 0
[pid  5103] close(3)                    = 0
[pid  5103] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5103] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5103] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5103] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5103] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5103] exit_group(0)               = ?
[pid  5103] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5104 attached
, child_tidptr=0x555555c99650) = 5104
[pid  5104] set_robust_list(0x555555c99660, 24) = 0
[   62.142873][ T5103] syz-executor160 (5103): drop_caches: 1
[pid  5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5104] setpgid(0, 0)               = 0
[pid  5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5104] write(3, "1000", 4)         = 4
[pid  5104] close(3)                    = 0
[pid  5104] memfd_create("syzkaller", 0) = 3
[pid  5104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5104] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5104] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5104] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5104] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5104] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5104] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5104] close(4)                    = 0
[pid  5104] close(3)                    = 0
[pid  5104] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5104] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5104] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5104] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5104] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5104] exit_group(0)               = ?
[pid  5104] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 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 5105 attached
, child_tidptr=0x555555c99650) = 5105
[pid  5105] set_robust_list(0x555555c99660, 24) = 0
[pid  5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5105] setpgid(0, 0)               = 0
[pid  5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5105] write(3, "1000", 4)         = 4
[pid  5105] close(3)                    = 0
[pid  5105] memfd_create("syzkaller", 0) = 3
[pid  5105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   62.342853][ T5104] syz-executor160 (5104): drop_caches: 1
[pid  5105] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5105] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5105] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5105] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5105] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5105] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5105] close(4)                    = 0
[pid  5105] close(3)                    = 0
[pid  5105] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5105] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5105] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5105] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5105] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5105] exit_group(0)               = ?
[pid  5105] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5106 attached
 <unfinished ...>
[pid  5106] set_robust_list(0x555555c99660, 24) = 0
[pid  5106] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5106
[pid  5106] <... prctl resumed>)        = 0
[pid  5106] setpgid(0, 0)               = 0
[pid  5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5106] write(3, "1000", 4)         = 4
[pid  5106] close(3)                    = 0
[pid  5106] memfd_create("syzkaller", 0) = 3
[pid  5106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   62.463729][ T5105] syz-executor160 (5105): drop_caches: 1
[pid  5106] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5106] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5106] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5106] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5106] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5106] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5106] close(4)                    = 0
[pid  5106] close(3)                    = 0
[pid  5106] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5106] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5106] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5106] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5106] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5106] exit_group(0)               = ?
[pid  5106] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5107 attached
 <unfinished ...>
[pid  5107] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5107
[pid  5107] <... set_robust_list resumed>) = 0
[pid  5107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5107] setpgid(0, 0)               = 0
[pid  5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[   62.600520][ T5106] syz-executor160 (5106): drop_caches: 1
[pid  5107] write(3, "1000", 4)         = 4
[pid  5107] close(3)                    = 0
[pid  5107] memfd_create("syzkaller", 0) = 3
[pid  5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5107] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5107] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5107] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5107] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5107] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5107] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5107] close(4)                    = 0
[pid  5107] close(3)                    = 0
[pid  5107] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5107] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5107] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5107] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5107] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5107] exit_group(0)               = ?
[pid  5107] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5108 attached
 <unfinished ...>
[pid  5108] set_robust_list(0x555555c99660, 24) = 0
[pid  5108] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5108
[pid  5108] <... prctl resumed>)        = 0
[pid  5108] setpgid(0, 0)               = 0
[pid  5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5108] write(3, "1000", 4)         = 4
[pid  5108] close(3)                    = 0
[pid  5108] memfd_create("syzkaller", 0) = 3
[pid  5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   62.740527][ T5107] syz-executor160 (5107): drop_caches: 1
[pid  5108] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5108] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5108] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5108] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5108] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5108] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5108] close(4)                    = 0
[pid  5108] close(3)                    = 0
[pid  5108] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5108] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5108] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5108] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5108] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5108] exit_group(0)               = ?
[pid  5108] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5109 attached
, child_tidptr=0x555555c99650) = 5109
[pid  5109] set_robust_list(0x555555c99660, 24) = 0
[pid  5109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5109] setpgid(0, 0)               = 0
[pid  5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5109] write(3, "1000", 4)         = 4
[pid  5109] close(3)                    = 0
[pid  5109] memfd_create("syzkaller", 0) = 3
[pid  5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5109] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[   62.899617][ T5108] syz-executor160 (5108): drop_caches: 1
[pid  5109] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5109] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5109] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5109] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5109] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5109] close(4)                    = 0
[pid  5109] close(3)                    = 0
[pid  5109] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5109] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5109] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5109] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5109] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5109] exit_group(0)               = ?
[pid  5109] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
[   63.036683][ T5109] syz-executor160 (5109): drop_caches: 1
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5110 attached
, child_tidptr=0x555555c99650) = 5110
[pid  5110] set_robust_list(0x555555c99660, 24) = 0
[pid  5110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5110] setpgid(0, 0)               = 0
[pid  5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5110] write(3, "1000", 4)         = 4
[pid  5110] close(3)                    = 0
[pid  5110] memfd_create("syzkaller", 0) = 3
[pid  5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5110] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5110] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5110] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5110] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5110] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5110] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5110] close(4)                    = 0
[pid  5110] close(3)                    = 0
[pid  5110] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5110] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5110] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5110] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5110] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5110] exit_group(0)               = ?
[pid  5110] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5111 attached
, child_tidptr=0x555555c99650) = 5111
[pid  5111] set_robust_list(0x555555c99660, 24) = 0
[pid  5111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5111] setpgid(0, 0)               = 0
[pid  5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5111] write(3, "1000", 4)         = 4
[pid  5111] close(3)                    = 0
[pid  5111] memfd_create("syzkaller", 0) = 3
[pid  5111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   63.190641][ T5110] syz-executor160 (5110): drop_caches: 1
[pid  5111] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5111] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5111] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5111] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5111] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5111] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5111] close(4)                    = 0
[pid  5111] close(3)                    = 0
[pid  5111] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5111] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5111] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5111] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5111] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5111] exit_group(0)               = ?
[pid  5111] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5112 attached
[   63.345316][ T5111] syz-executor160 (5111): drop_caches: 1
, child_tidptr=0x555555c99650) = 5112
[pid  5112] set_robust_list(0x555555c99660, 24) = 0
[pid  5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5112] setpgid(0, 0)               = 0
[pid  5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5112] write(3, "1000", 4)         = 4
[pid  5112] close(3)                    = 0
[pid  5112] memfd_create("syzkaller", 0) = 3
[pid  5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5112] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5112] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5112] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5112] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5112] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5112] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5112] close(4)                    = 0
[pid  5112] close(3)                    = 0
[pid  5112] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5112] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5112] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5112] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5112] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5112] exit_group(0)               = ?
[pid  5112] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5113 attached
 <unfinished ...>
[pid  5113] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5113
[pid  5113] <... set_robust_list resumed>) = 0
[pid  5113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5113] setpgid(0, 0)               = 0
[pid  5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5113] write(3, "1000", 4)         = 4
[pid  5113] close(3)                    = 0
[pid  5113] memfd_create("syzkaller", 0) = 3
[pid  5113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   63.531883][ T5112] syz-executor160 (5112): drop_caches: 1
[pid  5113] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5113] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5113] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5113] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5113] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5113] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5113] close(4)                    = 0
[pid  5113] close(3)                    = 0
[pid  5113] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5113] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5113] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5113] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5113] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5113] exit_group(0)               = ?
[pid  5113] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5114 attached
, child_tidptr=0x555555c99650) = 5114
[pid  5114] set_robust_list(0x555555c99660, 24) = 0
[pid  5114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5114] setpgid(0, 0)               = 0
[pid  5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5114] write(3, "1000", 4)         = 4
[pid  5114] close(3)                    = 0
[pid  5114] memfd_create("syzkaller", 0) = 3
[pid  5114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   63.673478][ T5113] syz-executor160 (5113): drop_caches: 1
[pid  5114] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5114] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5114] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5114] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5114] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5114] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5114] close(4)                    = 0
[pid  5114] close(3)                    = 0
[pid  5114] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5114] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5114] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5114] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5114] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5114] exit_group(0)               = ?
[pid  5114] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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 5115 attached
, child_tidptr=0x555555c99650) = 5115
[pid  5115] set_robust_list(0x555555c99660, 24) = 0
[pid  5115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5115] setpgid(0, 0)               = 0
[pid  5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5115] write(3, "1000", 4)         = 4
[pid  5115] close(3)                    = 0
[pid  5115] memfd_create("syzkaller", 0) = 3
[pid  5115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   63.803984][ T5114] syz-executor160 (5114): drop_caches: 1
[pid  5115] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5115] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5115] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5115] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5115] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5115] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5115] close(4)                    = 0
[pid  5115] close(3)                    = 0
[pid  5115] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5115] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5115] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5115] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5115] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5115] exit_group(0)               = ?
[pid  5115] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5116 attached
 <unfinished ...>
[pid  5116] set_robust_list(0x555555c99660, 24) = 0
[pid  5116] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5116
[pid  5116] <... prctl resumed>)        = 0
[pid  5116] setpgid(0, 0)               = 0
[pid  5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5116] write(3, "1000", 4)         = 4
[pid  5116] close(3)                    = 0
[pid  5116] memfd_create("syzkaller", 0) = 3
[pid  5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   63.977798][ T5115] syz-executor160 (5115): drop_caches: 1
[pid  5116] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5116] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5116] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5116] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5116] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5116] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5116] close(4)                    = 0
[pid  5116] close(3)                    = 0
[pid  5116] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5116] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5116] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5116] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5116] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5116] exit_group(0)               = ?
[pid  5116] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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 5117 attached
 <unfinished ...>
[pid  5117] set_robust_list(0x555555c99660, 24) = 0
[pid  5117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5117] setpgid(0, 0 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5117
[pid  5117] <... setpgid resumed>)      = 0
[pid  5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5117] write(3, "1000", 4)         = 4
[   64.130988][ T5116] syz-executor160 (5116): drop_caches: 1
[pid  5117] close(3)                    = 0
[pid  5117] memfd_create("syzkaller", 0) = 3
[pid  5117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5117] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5117] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5117] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5117] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5117] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5117] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5117] close(4)                    = 0
[pid  5117] close(3)                    = 0
[pid  5117] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5117] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5117] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5117] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5117] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5117] exit_group(0)               = ?
[pid  5117] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5118 attached
, child_tidptr=0x555555c99650) = 5118
[pid  5118] set_robust_list(0x555555c99660, 24) = 0
[pid  5118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5118] setpgid(0, 0)               = 0
[pid  5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5118] write(3, "1000", 4)         = 4
[   64.291097][ T5117] syz-executor160 (5117): drop_caches: 1
[pid  5118] close(3)                    = 0
[pid  5118] memfd_create("syzkaller", 0) = 3
[pid  5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5118] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5118] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5118] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5118] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5118] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5118] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5118] close(4)                    = 0
[pid  5118] close(3)                    = 0
[pid  5118] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5118] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5118] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5118] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5118] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5118] exit_group(0)               = ?
[pid  5118] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5118, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5119 attached
 <unfinished ...>
[pid  5119] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5119
[pid  5119] <... set_robust_list resumed>) = 0
[pid  5119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5119] setpgid(0, 0)               = 0
[pid  5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5119] write(3, "1000", 4)         = 4
[pid  5119] close(3)                    = 0
[   64.453406][ T5118] syz-executor160 (5118): drop_caches: 1
[pid  5119] memfd_create("syzkaller", 0) = 3
[pid  5119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5119] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5119] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5119] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5119] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5119] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5119] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5119] close(4)                    = 0
[pid  5119] close(3)                    = 0
[pid  5119] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5119] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5119] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5119] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5119] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5119] exit_group(0)               = ?
[pid  5119] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5120 attached
 <unfinished ...>
[pid  5120] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5120
[pid  5120] <... set_robust_list resumed>) = 0
[pid  5120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5120] setpgid(0, 0)               = 0
[pid  5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5120] write(3, "1000", 4)         = 4
[pid  5120] close(3)                    = 0
[   64.609336][ T5119] syz-executor160 (5119): drop_caches: 1
[pid  5120] memfd_create("syzkaller", 0) = 3
[pid  5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5120] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5120] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5120] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5120] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5120] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5120] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5120] close(4)                    = 0
[pid  5120] close(3)                    = 0
[pid  5120] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5120] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5120] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5120] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5120] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5120] exit_group(0)               = ?
[pid  5120] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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 5121 attached
, child_tidptr=0x555555c99650) = 5121
[pid  5121] set_robust_list(0x555555c99660, 24) = 0
[pid  5121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5121] setpgid(0, 0)               = 0
[pid  5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5121] write(3, "1000", 4)         = 4
[pid  5121] close(3)                    = 0
[   64.763764][ T5120] syz-executor160 (5120): drop_caches: 1
[pid  5121] memfd_create("syzkaller", 0) = 3
[pid  5121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5121] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5121] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5121] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5121] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5121] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5121] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5121] close(4)                    = 0
[pid  5121] close(3)                    = 0
[pid  5121] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5121] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5121] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5121] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5121] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5121] exit_group(0)               = ?
[pid  5121] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5122 attached
 <unfinished ...>
[pid  5122] set_robust_list(0x555555c99660, 24) = 0
[pid  5122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5122] setpgid(0, 0)               = 0
[pid  5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5122
[pid  5122] <... openat resumed>)       = 3
[pid  5122] write(3, "1000", 4)         = 4
[pid  5122] close(3)                    = 0
[pid  5122] memfd_create("syzkaller", 0) = 3
[   64.917156][ T5121] syz-executor160 (5121): drop_caches: 1
[pid  5122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5122] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5122] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5122] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5122] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5122] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5122] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5122] close(4)                    = 0
[pid  5122] close(3)                    = 0
[pid  5122] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5122] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5122] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5122] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5122] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5122] exit_group(0)               = ?
[pid  5122] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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=0x555555c99650) = 5123
./strace-static-x86_64: Process 5123 attached
[pid  5123] set_robust_list(0x555555c99660, 24) = 0
[pid  5123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5123] setpgid(0, 0)               = 0
[pid  5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5123] write(3, "1000", 4)         = 4
[pid  5123] close(3)                    = 0
[pid  5123] memfd_create("syzkaller", 0) = 3
[pid  5123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   65.087466][ T5122] syz-executor160 (5122): drop_caches: 1
[pid  5123] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5123] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5123] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5123] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5123] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5123] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5123] close(4)                    = 0
[pid  5123] close(3)                    = 0
[pid  5123] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5123] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5123] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5123] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5123] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5123] exit_group(0)               = ?
[pid  5123] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 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=0x555555c99650) = 5124
./strace-static-x86_64: Process 5124 attached
[pid  5124] set_robust_list(0x555555c99660, 24) = 0
[   65.226681][ T5123] syz-executor160 (5123): drop_caches: 1
[pid  5124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5124] setpgid(0, 0)               = 0
[pid  5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5124] write(3, "1000", 4)         = 4
[pid  5124] close(3)                    = 0
[pid  5124] memfd_create("syzkaller", 0) = 3
[pid  5124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5124] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5124] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5124] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5124] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5124] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5124] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5124] close(4)                    = 0
[pid  5124] close(3)                    = 0
[pid  5124] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5124] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5124] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5124] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5124] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5124] exit_group(0)               = ?
[pid  5124] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5125 attached
 <unfinished ...>
[pid  5125] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5125
[pid  5125] <... set_robust_list resumed>) = 0
[pid  5125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5125] setpgid(0, 0)               = 0
[pid  5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5125] write(3, "1000", 4)         = 4
[pid  5125] close(3)                    = 0
[pid  5125] memfd_create("syzkaller", 0) = 3
[   65.445612][ T5124] syz-executor160 (5124): drop_caches: 1
[pid  5125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5125] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5125] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5125] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5125] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5125] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5125] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5125] close(4)                    = 0
[pid  5125] close(3)                    = 0
[pid  5125] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5125] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5125] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5125] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5125] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5125] exit_group(0)               = ?
[pid  5125] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5126 attached
, child_tidptr=0x555555c99650) = 5126
[pid  5126] set_robust_list(0x555555c99660, 24) = 0
[pid  5126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5126] setpgid(0, 0)               = 0
[pid  5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5126] write(3, "1000", 4)         = 4
[pid  5126] close(3)                    = 0
[pid  5126] memfd_create("syzkaller", 0) = 3
[pid  5126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   65.601003][ T5125] syz-executor160 (5125): drop_caches: 1
[pid  5126] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5126] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5126] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5126] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5126] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5126] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5126] close(4)                    = 0
[pid  5126] close(3)                    = 0
[pid  5126] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5126] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5126] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5126] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5126] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5126] exit_group(0)               = ?
[pid  5126] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5126, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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 5127 attached
 <unfinished ...>
[pid  5127] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5127
[pid  5127] <... set_robust_list resumed>) = 0
[pid  5127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5127] setpgid(0, 0)               = 0
[pid  5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5127] write(3, "1000", 4)         = 4
[pid  5127] close(3)                    = 0
[pid  5127] memfd_create("syzkaller", 0) = 3
[pid  5127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   65.733121][ T5126] syz-executor160 (5126): drop_caches: 1
[pid  5127] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5127] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5127] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5127] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5127] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5127] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5127] close(4)                    = 0
[pid  5127] close(3)                    = 0
[pid  5127] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5127] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5127] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5127] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5127] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5127] exit_group(0)               = ?
[pid  5127] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5127, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5128 attached
 <unfinished ...>
[pid  5128] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5128
[pid  5128] <... set_robust_list resumed>) = 0
[pid  5128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5128] setpgid(0, 0)               = 0
[pid  5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5128] write(3, "1000", 4)         = 4
[pid  5128] close(3)                    = 0
[   65.905633][ T5127] syz-executor160 (5127): drop_caches: 1
[pid  5128] memfd_create("syzkaller", 0) = 3
[pid  5128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5128] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5128] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5128] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5128] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5128] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5128] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5128] close(4)                    = 0
[pid  5128] close(3)                    = 0
[pid  5128] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5128] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5128] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5128] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5128] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5128] exit_group(0)               = ?
[pid  5128] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 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 5129 attached
[   66.045186][ T5128] syz-executor160 (5128): drop_caches: 1
, child_tidptr=0x555555c99650) = 5129
[pid  5129] set_robust_list(0x555555c99660, 24) = 0
[pid  5129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5129] setpgid(0, 0)               = 0
[pid  5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5129] write(3, "1000", 4)         = 4
[pid  5129] close(3)                    = 0
[pid  5129] memfd_create("syzkaller", 0) = 3
[pid  5129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5129] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5129] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5129] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5129] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5129] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5129] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5129] close(4)                    = 0
[pid  5129] close(3)                    = 0
[pid  5129] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5129] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5129] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5129] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5129] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5129] exit_group(0)               = ?
[pid  5129] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5129, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5130 attached
, child_tidptr=0x555555c99650) = 5130
[pid  5130] set_robust_list(0x555555c99660, 24) = 0
[pid  5130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5130] setpgid(0, 0)               = 0
[   66.200589][ T5129] syz-executor160 (5129): drop_caches: 1
[pid  5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5130] write(3, "1000", 4)         = 4
[pid  5130] close(3)                    = 0
[pid  5130] memfd_create("syzkaller", 0) = 3
[pid  5130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5130] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5130] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5130] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5130] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5130] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5130] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5130] close(4)                    = 0
[pid  5130] close(3)                    = 0
[pid  5130] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5130] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5130] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5130] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5130] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5130] exit_group(0)               = ?
[pid  5130] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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 5131 attached
 <unfinished ...>
[pid  5131] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5131
[pid  5131] <... set_robust_list resumed>) = 0
[pid  5131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5131] setpgid(0, 0)               = 0
[pid  5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5131] write(3, "1000", 4)         = 4
[pid  5131] close(3)                    = 0
[pid  5131] memfd_create("syzkaller", 0) = 3
[   66.342723][ T5130] syz-executor160 (5130): drop_caches: 1
[pid  5131] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5131] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5131] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5131] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5131] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5131] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5131] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5131] close(4)                    = 0
[pid  5131] close(3)                    = 0
[pid  5131] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5131] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5131] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5131] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5131] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5131] exit_group(0)               = ?
[pid  5131] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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 5132 attached
 <unfinished ...>
[pid  5132] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5132
[pid  5132] <... set_robust_list resumed>) = 0
[pid  5132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5132] setpgid(0, 0)               = 0
[pid  5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[   66.482398][ T5131] syz-executor160 (5131): drop_caches: 1
[pid  5132] write(3, "1000", 4)         = 4
[pid  5132] close(3)                    = 0
[pid  5132] memfd_create("syzkaller", 0) = 3
[pid  5132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5132] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5132] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5132] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5132] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5132] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5132] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5132] close(4)                    = 0
[pid  5132] close(3)                    = 0
[pid  5132] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5132] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5132] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5132] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5132] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5132] exit_group(0)               = ?
[pid  5132] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5132, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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 5133 attached
, child_tidptr=0x555555c99650) = 5133
[pid  5133] set_robust_list(0x555555c99660, 24) = 0
[pid  5133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[   66.643536][ T5132] syz-executor160 (5132): drop_caches: 1
[pid  5133] setpgid(0, 0)               = 0
[pid  5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5133] write(3, "1000", 4)         = 4
[pid  5133] close(3)                    = 0
[pid  5133] memfd_create("syzkaller", 0) = 3
[pid  5133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5133] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5133] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5133] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5133] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5133] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5133] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5133] close(4)                    = 0
[pid  5133] close(3)                    = 0
[pid  5133] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5133] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5133] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5133] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5133] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5133] exit_group(0)               = ?
[pid  5133] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5133, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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 5134 attached
, child_tidptr=0x555555c99650) = 5134
[pid  5134] set_robust_list(0x555555c99660, 24) = 0
[pid  5134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5134] setpgid(0, 0)               = 0
[pid  5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5134] write(3, "1000", 4)         = 4
[pid  5134] close(3)                    = 0
[   66.866346][ T5133] syz-executor160 (5133): drop_caches: 1
[pid  5134] memfd_create("syzkaller", 0) = 3
[pid  5134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5134] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5134] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5134] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5134] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5134] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5134] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5134] close(4)                    = 0
[pid  5134] close(3)                    = 0
[pid  5134] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5134] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5134] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5134] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5134] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5134] exit_group(0)               = ?
[pid  5134] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5134, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555c99650) = 5135
./strace-static-x86_64: Process 5135 attached
[pid  5135] set_robust_list(0x555555c99660, 24) = 0
[pid  5135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5135] setpgid(0, 0)               = 0
[pid  5135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5135] write(3, "1000", 4)         = 4
[pid  5135] close(3)                    = 0
[pid  5135] memfd_create("syzkaller", 0) = 3
[pid  5135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   67.039689][ T5134] syz-executor160 (5134): drop_caches: 1
[pid  5135] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5135] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5135] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5135] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5135] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5135] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5135] close(4)                    = 0
[pid  5135] close(3)                    = 0
[pid  5135] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5135] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5135] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5135] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5135] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5135] exit_group(0)               = ?
[pid  5135] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5135, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5136 attached
, child_tidptr=0x555555c99650) = 5136
[pid  5136] set_robust_list(0x555555c99660, 24) = 0
[pid  5136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5136] setpgid(0, 0)               = 0
[pid  5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5136] write(3, "1000", 4)         = 4
[pid  5136] close(3)                    = 0
[pid  5136] memfd_create("syzkaller", 0) = 3
[pid  5136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   67.179542][ T5135] syz-executor160 (5135): drop_caches: 1
[pid  5136] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5136] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5136] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5136] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5136] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5136] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5136] close(4)                    = 0
[pid  5136] close(3)                    = 0
[pid  5136] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5136] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5136] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5136] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5136] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5136] exit_group(0)               = ?
[pid  5136] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5136, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5137 attached
 <unfinished ...>
[pid  5137] set_robust_list(0x555555c99660, 24) = 0
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5137
[pid  5137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5137] setpgid(0, 0)               = 0
[pid  5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5137] write(3, "1000", 4)         = 4
[pid  5137] close(3)                    = 0
[pid  5137] memfd_create("syzkaller", 0) = 3
[pid  5137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   67.321676][ T5136] syz-executor160 (5136): drop_caches: 1
[pid  5137] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5137] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5137] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5137] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5137] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5137] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5137] close(4)                    = 0
[pid  5137] close(3)                    = 0
[pid  5137] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5137] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5137] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5137] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5137] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5137] exit_group(0)               = ?
[pid  5137] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5137, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5138 attached
, child_tidptr=0x555555c99650) = 5138
[pid  5138] set_robust_list(0x555555c99660, 24) = 0
[pid  5138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5138] setpgid(0, 0)               = 0
[pid  5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5138] write(3, "1000", 4)         = 4
[pid  5138] close(3)                    = 0
[pid  5138] memfd_create("syzkaller", 0) = 3
[pid  5138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   67.451689][ T5137] syz-executor160 (5137): drop_caches: 1
[pid  5138] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5138] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5138] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5138] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5138] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5138] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5138] close(4)                    = 0
[pid  5138] close(3)                    = 0
[pid  5138] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5138] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5138] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5138] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5138] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5138] exit_group(0)               = ?
[pid  5138] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5139 attached
, child_tidptr=0x555555c99650) = 5139
[pid  5139] set_robust_list(0x555555c99660, 24) = 0
[pid  5139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5139] setpgid(0, 0)               = 0
[pid  5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5139] write(3, "1000", 4)         = 4
[pid  5139] close(3)                    = 0
[pid  5139] memfd_create("syzkaller", 0) = 3
[pid  5139] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   67.580312][ T5138] syz-executor160 (5138): drop_caches: 1
[pid  5139] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5139] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5139] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5139] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5139] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5139] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5139] close(4)                    = 0
[pid  5139] close(3)                    = 0
[pid  5139] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5139] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5139] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5139] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5139] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5139] exit_group(0)               = ?
[pid  5139] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 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 5140 attached
 <unfinished ...>
[pid  5140] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5140
[pid  5140] <... set_robust_list resumed>) = 0
[pid  5140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5140] setpgid(0, 0)               = 0
[pid  5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5140] write(3, "1000", 4)         = 4
[   67.715464][ T5139] syz-executor160 (5139): drop_caches: 1
[pid  5140] close(3)                    = 0
[pid  5140] memfd_create("syzkaller", 0) = 3
[pid  5140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5140] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5140] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5140] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5140] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5140] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5140] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5140] close(4)                    = 0
[pid  5140] close(3)                    = 0
[pid  5140] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5140] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5140] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5140] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5140] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5140] exit_group(0)               = ?
[pid  5140] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5140, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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 5141 attached
 <unfinished ...>
[pid  5141] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5141
[pid  5141] <... set_robust_list resumed>) = 0
[pid  5141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5141] setpgid(0, 0)               = 0
[pid  5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5141] write(3, "1000", 4)         = 4
[pid  5141] close(3)                    = 0
[   67.880120][ T5140] syz-executor160 (5140): drop_caches: 1
[pid  5141] memfd_create("syzkaller", 0) = 3
[pid  5141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5141] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5141] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5141] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5141] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5141] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5141] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5141] close(4)                    = 0
[pid  5141] close(3)                    = 0
[pid  5141] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5141] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5141] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5141] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5141] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5141] exit_group(0)               = ?
[pid  5141] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5141, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5142 attached
 <unfinished ...>
[pid  5142] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5142
[pid  5142] <... set_robust_list resumed>) = 0
[   68.018089][ T5141] syz-executor160 (5141): drop_caches: 1
[pid  5142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5142] setpgid(0, 0)               = 0
[pid  5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5142] write(3, "1000", 4)         = 4
[pid  5142] close(3)                    = 0
[pid  5142] memfd_create("syzkaller", 0) = 3
[pid  5142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5142] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5142] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5142] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5142] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5142] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5142] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5142] close(4)                    = 0
[pid  5142] close(3)                    = 0
[pid  5142] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5142] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5142] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5142] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5142] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5142] exit_group(0)               = ?
[pid  5142] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5142, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5143 attached
, child_tidptr=0x555555c99650) = 5143
[pid  5143] set_robust_list(0x555555c99660, 24) = 0
[pid  5143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5143] setpgid(0, 0)               = 0
[pid  5143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5143] write(3, "1000", 4)         = 4
[pid  5143] close(3)                    = 0
[pid  5143] memfd_create("syzkaller", 0) = 3
[pid  5143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   68.195511][ T5142] syz-executor160 (5142): drop_caches: 1
[pid  5143] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5143] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5143] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5143] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5143] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5143] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5143] close(4)                    = 0
[pid  5143] close(3)                    = 0
[pid  5143] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5143] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5143] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5143] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5143] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5143] exit_group(0)               = ?
[pid  5143] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5143, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5144 attached
 <unfinished ...>
[pid  5144] set_robust_list(0x555555c99660, 24) = 0
[pid  5144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5144
[   68.351427][ T5143] syz-executor160 (5143): drop_caches: 1
[pid  5144] setpgid(0, 0)               = 0
[pid  5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5144] write(3, "1000", 4)         = 4
[pid  5144] close(3)                    = 0
[pid  5144] memfd_create("syzkaller", 0) = 3
[pid  5144] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5144] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5144] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5144] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5144] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5144] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5144] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5144] close(4)                    = 0
[pid  5144] close(3)                    = 0
[pid  5144] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5144] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5144] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5144] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5144] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5144] exit_group(0)               = ?
[pid  5144] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5144, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5145 attached
 <unfinished ...>
[pid  5145] set_robust_list(0x555555c99660, 24) = 0
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5145
[pid  5145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5145] setpgid(0, 0)               = 0
[pid  5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5145] write(3, "1000", 4)         = 4
[pid  5145] close(3)                    = 0
[pid  5145] memfd_create("syzkaller", 0) = 3
[pid  5145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   68.522118][ T5144] syz-executor160 (5144): drop_caches: 1
[pid  5145] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5145] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5145] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5145] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5145] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5145] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5145] close(4)                    = 0
[pid  5145] close(3)                    = 0
[pid  5145] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5145] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5145] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5145] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5145] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5145] exit_group(0)               = ?
[pid  5145] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5145, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 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 5146 attached
, child_tidptr=0x555555c99650) = 5146
[pid  5146] set_robust_list(0x555555c99660, 24) = 0
[pid  5146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5146] setpgid(0, 0)               = 0
[pid  5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5146] write(3, "1000", 4)         = 4
[pid  5146] close(3)                    = 0
[   68.650870][ T5145] syz-executor160 (5145): drop_caches: 1
[pid  5146] memfd_create("syzkaller", 0) = 3
[pid  5146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5146] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5146] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5146] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5146] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5146] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5146] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5146] close(4)                    = 0
[pid  5146] close(3)                    = 0
[pid  5146] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5146] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5146] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5146] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5146] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5146] exit_group(0)               = ?
[pid  5146] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5146, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 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 5147 attached
 <unfinished ...>
[pid  5147] set_robust_list(0x555555c99660, 24) = 0
[pid  5147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5147] setpgid(0, 0)               = 0
[pid  5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5147
[pid  5147] <... openat resumed>)       = 3
[pid  5147] write(3, "1000", 4)         = 4
[pid  5147] close(3)                    = 0
[pid  5147] memfd_create("syzkaller", 0) = 3
[pid  5147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   68.789493][ T5146] syz-executor160 (5146): drop_caches: 1
[pid  5147] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5147] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5147] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5147] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5147] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5147] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5147] close(4)                    = 0
[pid  5147] close(3)                    = 0
[pid  5147] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5147] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5147] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5147] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5147] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5147] exit_group(0)               = ?
[pid  5147] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5147, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5148 attached
, child_tidptr=0x555555c99650) = 5148
[pid  5148] set_robust_list(0x555555c99660, 24) = 0
[pid  5148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5148] setpgid(0, 0)               = 0
[   68.942579][ T5147] syz-executor160 (5147): drop_caches: 1
[pid  5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5148] write(3, "1000", 4)         = 4
[pid  5148] close(3)                    = 0
[pid  5148] memfd_create("syzkaller", 0) = 3
[pid  5148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5148] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5148] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5148] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5148] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5148] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5148] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5148] close(4)                    = 0
[pid  5148] close(3)                    = 0
[pid  5148] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5148] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5148] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5148] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5148] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5148] exit_group(0)               = ?
[pid  5148] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5148, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 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 5149 attached
, child_tidptr=0x555555c99650) = 5149
[pid  5149] set_robust_list(0x555555c99660, 24) = 0
[pid  5149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5149] setpgid(0, 0)               = 0
[pid  5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5149] write(3, "1000", 4)         = 4
[   69.117097][ T5148] syz-executor160 (5148): drop_caches: 1
[pid  5149] close(3)                    = 0
[pid  5149] memfd_create("syzkaller", 0) = 3
[pid  5149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5149] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5149] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5149] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5149] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5149] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5149] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5149] close(4)                    = 0
[pid  5149] close(3)                    = 0
[pid  5149] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5149] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5149] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5149] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5149] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5149] exit_group(0)               = ?
[pid  5149] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5150 attached
 <unfinished ...>
[pid  5150] set_robust_list(0x555555c99660, 24 <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5150
[pid  5150] <... set_robust_list resumed>) = 0
[pid  5150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5150] setpgid(0, 0)               = 0
[   69.294841][ T5149] syz-executor160 (5149): drop_caches: 1
[pid  5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5150] write(3, "1000", 4)         = 4
[pid  5150] close(3)                    = 0
[pid  5150] memfd_create("syzkaller", 0) = 3
[pid  5150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[pid  5150] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5150] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5150] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5150] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5150] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5150] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5150] close(4)                    = 0
[pid  5150] close(3)                    = 0
[pid  5150] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 3
[pid  5150] pwrite64(3, NULL, 72057594037927936, 12) = -1 EFAULT (Bad address)
[pid  5150] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 4
[pid  5150] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 5
[pid  5150] sendfile(5, 4, [88] => [95], 7) = 7
[pid  5150] exit_group(0)               = ?
[pid  5150] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5150, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 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 5151 attached
 <unfinished ...>
[pid  5151] set_robust_list(0x555555c99660, 24) = 0
[pid  5151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5151] setpgid(0, 0)               = 0
[pid  5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5063] <... clone resumed>, child_tidptr=0x555555c99650) = 5151
[pid  5151] <... openat resumed>)       = 3
[pid  5151] write(3, "1000", 4)         = 4
[pid  5151] close(3)                    = 0
[pid  5151] memfd_create("syzkaller", 0) = 3
[pid  5151] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd95e40f000
[   69.496888][ T5150] syz-executor160 (5150): drop_caches: 1
[pid  5151] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5151] munmap(0x7fd95e40f000, 138412032) = 0
[pid  5151] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5151] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5151] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5151] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5151] close(4)                    = 0