./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3388059531

<...>
Warning: Permanently added '10.128.0.46' (ED25519) to the list of known hosts.
execve("./syz-executor3388059531", ["./syz-executor3388059531"], 0x7ffc73f97d80 /* 10 vars */) = 0
brk(NULL)                               = 0x55557f13e000
brk(0x55557f13ed00)                     = 0x55557f13ed00
arch_prctl(ARCH_SET_FS, 0x55557f13e380) = 0
set_tid_address(0x55557f13e650)         = 5832
set_robust_list(0x55557f13e660, 24)     = 0
rseq(0x55557f13eca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3388059531", 4096) = 28
getrandom("\x3d\x09\x1a\xaf\x64\x37\xd4\x4d", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557f13ed00
brk(0x55557f15fd00)                     = 0x55557f15fd00
brk(0x55557f160000)                     = 0x55557f160000
mprotect(0x7fb421073000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5833 attached
 <unfinished ...>
[pid  5833] set_robust_list(0x55557f13e660, 24) = 0
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5833
[pid  5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5833] setpgid(0, 0)               = 0
[pid  5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "1000", 4)         = 4
[pid  5833] close(3)                    = 0
[pid  5833] write(1, "executing program\n", 18executing program
) = 18
[pid  5833] memfd_create("syzkaller", 0) = 3
[pid  5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5833] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5833] munmap(0x7fb418a00000, 138412032) = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5833] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5833] close(3)                    = 0
[pid  5833] close(4)                    = 0
[pid  5833] mkdir("./file1", 0777)      = 0
[   86.477777][ T5833] loop0: detected capacity change from 0 to 32768
[   86.508289][ T5833] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor338 (5833)
[   86.544239][ T5833] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[   86.555096][ T5833] BTRFS info (device loop0): using crc32c (crc32c-lib) checksum algorithm
[   86.563864][ T5833] BTRFS info (device loop0): disk space caching is enabled
[   86.571547][ T5833] BTRFS warning (device loop0): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[   86.654360][ T5833] 
[   86.656722][ T5833] ======================================================
[   86.663735][ T5833] WARNING: possible circular locking dependency detected
[   86.670773][ T5833] 6.16.0-rc2-next-20250620-syzkaller #0 Not tainted
[   86.677374][ T5833] ------------------------------------------------------
[   86.684401][ T5833] syz-executor338/5833 is trying to acquire lock:
[   86.690826][ T5833] ffffffff8e6e9fe8 (uuid_mutex){+.+.}-{4:4}, at: btrfs_read_chunk_tree+0xef/0x2170
[   86.700206][ T5833] 
[   86.700206][ T5833] but task is already holding lock:
[   86.707584][ T5833] ffff88803235c0e0 (&type->s_umount_key#41/1){+.+.}-{4:4}, at: alloc_super+0x204/0x970
[   86.717335][ T5833] 
[   86.717335][ T5833] which lock already depends on the new lock.
[   86.717335][ T5833] 
[   86.727755][ T5833] 
[   86.727755][ T5833] the existing dependency chain (in reverse order) is:
[   86.736782][ T5833] 
[   86.736782][ T5833] -> #1 (&type->s_umount_key#41/1){+.+.}-{4:4}:
[   86.745219][ T5833]        lock_acquire+0x120/0x360
[   86.750253][ T5833]        down_write_nested+0x9d/0x200
[   86.755624][ T5833]        alloc_super+0x204/0x970
[   86.760580][ T5833]        sget_fc+0x329/0xa40
[   86.765217][ T5833]        btrfs_get_tree+0x4c6/0x12d0
[   86.770512][ T5833]        vfs_get_tree+0x8f/0x2b0
[   86.775488][ T5833]        do_new_mount+0x24a/0xa40
[   86.780520][ T5833]        __se_sys_mount+0x317/0x410
[   86.785719][ T5833]        do_syscall_64+0xfa/0x3b0
[   86.790756][ T5833]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   86.797280][ T5833] 
[   86.797280][ T5833] -> #0 (uuid_mutex){+.+.}-{4:4}:
[   86.804578][ T5833]        validate_chain+0xb9b/0x2140
[   86.809867][ T5833]        __lock_acquire+0xab9/0xd20
[   86.815085][ T5833]        lock_acquire+0x120/0x360
[   86.820110][ T5833]        __mutex_lock+0x182/0xe80
[   86.825137][ T5833]        btrfs_read_chunk_tree+0xef/0x2170
[   86.830954][ T5833]        open_ctree+0x17f2/0x3a10
[   86.835980][ T5833]        btrfs_get_tree+0xc6f/0x12d0
[   86.841270][ T5833]        vfs_get_tree+0x8f/0x2b0
[   86.846207][ T5833]        do_new_mount+0x24a/0xa40
[   86.851246][ T5833]        __se_sys_mount+0x317/0x410
[   86.856452][ T5833]        do_syscall_64+0xfa/0x3b0
[   86.861477][ T5833]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   86.867894][ T5833] 
[   86.867894][ T5833] other info that might help us debug this:
[   86.867894][ T5833] 
[   86.878122][ T5833]  Possible unsafe locking scenario:
[   86.878122][ T5833] 
[   86.885561][ T5833]        CPU0                    CPU1
[   86.890921][ T5833]        ----                    ----
[   86.896283][ T5833]   lock(&type->s_umount_key#41/1);
[   86.901496][ T5833]                                lock(uuid_mutex);
[   86.907997][ T5833]                                lock(&type->s_umount_key#41/1);
[   86.915724][ T5833]   lock(uuid_mutex);
[   86.919707][ T5833] 
[   86.919707][ T5833]  *** DEADLOCK ***
[   86.919707][ T5833] 
[   86.927843][ T5833] 1 lock held by syz-executor338/5833:
[   86.933299][ T5833]  #0: ffff88803235c0e0 (&type->s_umount_key#41/1){+.+.}-{4:4}, at: alloc_super+0x204/0x970
[   86.943412][ T5833] 
[   86.943412][ T5833] stack backtrace:
[   86.949310][ T5833] CPU: 0 UID: 0 PID: 5833 Comm: syz-executor338 Not tainted 6.16.0-rc2-next-20250620-syzkaller #0 PREEMPT(full) 
[   86.949327][ T5833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   86.949343][ T5833] Call Trace:
[   86.949351][ T5833]  <TASK>
[   86.949359][ T5833]  dump_stack_lvl+0x189/0x250
[   86.949383][ T5833]  ? __pfx_dump_stack_lvl+0x10/0x10
[   86.949404][ T5833]  ? __pfx__printk+0x10/0x10
[   86.949419][ T5833]  ? print_lock_name+0xde/0x100
[   86.949435][ T5833]  print_circular_bug+0x2ee/0x310
[   86.949450][ T5833]  check_noncircular+0x134/0x160
[   86.949475][ T5833]  validate_chain+0xb9b/0x2140
[   86.949504][ T5833]  __lock_acquire+0xab9/0xd20
[   86.949525][ T5833]  ? btrfs_read_chunk_tree+0xef/0x2170
[   86.949540][ T5833]  lock_acquire+0x120/0x360
[   86.949558][ T5833]  ? btrfs_read_chunk_tree+0xef/0x2170
[   86.949578][ T5833]  __mutex_lock+0x182/0xe80
[   86.949592][ T5833]  ? btrfs_read_chunk_tree+0xef/0x2170
[   86.949610][ T5833]  ? btrfs_read_chunk_tree+0xef/0x2170
[   86.949626][ T5833]  ? __pfx___mutex_lock+0x10/0x10
[   86.949643][ T5833]  ? rcu_is_watching+0x15/0xb0
[   86.949664][ T5833]  ? trace_kmem_cache_alloc+0x1f/0xc0
[   86.949685][ T5833]  ? btrfs_read_chunk_tree+0xcd/0x2170
[   86.949702][ T5833]  btrfs_read_chunk_tree+0xef/0x2170
[   86.949719][ T5833]  ? btrfs_root_node+0xae/0x4a0
[   86.949755][ T5833]  ? btrfs_root_node+0x459/0x4a0
[   86.949772][ T5833]  ? btrfs_root_node+0xae/0x4a0
[   86.949790][ T5833]  ? __pfx_btrfs_root_node+0x10/0x10
[   86.949811][ T5833]  ? __pfx_btrfs_read_chunk_tree+0x10/0x10
[   86.949828][ T5833]  ? load_super_root+0x2b2/0x3f0
[   86.949845][ T5833]  ? __pfx_load_super_root+0x10/0x10
[   86.949864][ T5833]  ? read_extent_buffer+0x120/0x5e0
[   86.949885][ T5833]  ? open_ctree+0x17ea/0x3a10
[   86.949903][ T5833]  open_ctree+0x17f2/0x3a10
[   86.949918][ T5833]  ? bdi_register_va+0x58d/0x740
[   86.949935][ T5833]  ? open_ctree+0xa1a/0x3a10
[   86.949957][ T5833]  ? __pfx_open_ctree+0x10/0x10
[   86.949976][ T5833]  btrfs_get_tree+0xc6f/0x12d0
[   86.949999][ T5833]  vfs_get_tree+0x8f/0x2b0
[   86.950023][ T5833]  do_new_mount+0x24a/0xa40
[   86.950040][ T5833]  __se_sys_mount+0x317/0x410
[   86.950057][ T5833]  ? __pfx___se_sys_mount+0x10/0x10
[   86.950071][ T5833]  ? rcu_is_watching+0x15/0xb0
[   86.950094][ T5833]  ? __x64_sys_mount+0x20/0xc0
[   86.950109][ T5833]  do_syscall_64+0xfa/0x3b0
[   86.950124][ T5833]  ? lockdep_hardirqs_on+0x9c/0x150
[   86.950137][ T5833]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   86.950152][ T5833]  ? clear_bhb_loop+0x60/0xb0
[   86.950168][ T5833]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   86.950183][ T5833] RIP: 0033:0x7fb420ffb2ea
[   86.950200][ T5833] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   86.950217][ T5833] RSP: 002b:00007ffcee836568 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[   86.950232][ T5833] RAX: ffffffffffffffda RBX: 00007ffcee836580 RCX: 00007fb420ffb2ea
[   86.950244][ T5833] RDX: 0000200000005100 RSI: 0000200000000000 RDI: 00007ffcee836580
[   86.950254][ T5833] RBP: 0000200000000000 R08: 00007ffcee8365c0 R09: 00000000000050ed
[   86.950264][ T5833] R10: 0000000000000810 R11: 0000000000000282 R12: 0000200000005100
[   86.950274][ T5833] R13: 00007ffcee8365c0 R14: 0000000000000003 R15: 0000000000000810
[   86.950289][ T5833]  </TASK>
[   87.280758][ T5833] BTRFS info (device loop0): rebuilding free space tree
[   87.293705][ T5833] BTRFS info (device loop0): disabling free space tree
[pid  5833] mount("/dev/loop0", "./file1", "btrfs", MS_SYNCHRONOUS|MS_NODIRATIME, "treelog,nodatacow,max_inline=m3x9e6,space_cache,nodatasum,nobarrier,flushoncommit,noautodefrag,ref_v"...) = 0
[pid  5833] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5833] chdir("./file1")            = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5833] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5833] close(4)                    = 0
[pid  5833] exit_group(0)               = ?
[   87.300638][ T5833] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[   87.310297][ T5833] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[pid  5833] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=27 /* 0.27 s */} ---
restart_syscall(<... resuming interrupted clone ...>executing program
) = 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 5852 attached
, child_tidptr=0x55557f13e650) = 5852
[pid  5852] set_robust_list(0x55557f13e660, 24) = 0
[pid  5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5852] setpgid(0, 0)               = 0
[pid  5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5852] write(3, "1000", 4)         = 4
[pid  5852] close(3)                    = 0
[pid  5852] write(1, "executing program\n", 18) = 18
[pid  5852] memfd_create("syzkaller", 0) = 3
[pid  5852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5852] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5852] munmap(0x7fb418a00000, 138412032) = 0
[pid  5852] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5852] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5852] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5852] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5852] close(4)                    = 0
[pid  5852] close(3)                    = 0
[pid  5852] exit_group(0)               = ?
[pid  5852] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=15 /* 0.15 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 5855 attached
 <unfinished ...>
[pid  5855] set_robust_list(0x55557f13e660, 24) = 0
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5855
[pid  5855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5855] setpgid(0, 0)               = 0
[pid  5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5855] write(3, "1000", 4)         = 4
[pid  5855] close(3)                    = 0
[pid  5855] write(1, "executing program\n", 18executing program
) = 18
[pid  5855] memfd_create("syzkaller", 0) = 3
[pid  5855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5855] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5855] munmap(0x7fb418a00000, 138412032) = 0
[pid  5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5855] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5855] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5855] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5855] close(4)                    = 0
[pid  5855] close(3)                    = 0
[pid  5855] exit_group(0)               = ?
[pid  5855] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=13 /* 0.13 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 5858 attached
 <unfinished ...>
[pid  5858] set_robust_list(0x55557f13e660, 24) = 0
[pid  5858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5858] setpgid(0, 0)               = 0
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5858
[pid  5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5858] write(3, "1000", 4)         = 4
[pid  5858] close(3executing program
)                    = 0
[pid  5858] write(1, "executing program\n", 18) = 18
[pid  5858] memfd_create("syzkaller", 0) = 3
[pid  5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5858] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5858] munmap(0x7fb418a00000, 138412032) = 0
[pid  5858] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5858] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5858] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5858] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5858] close(4)                    = 0
[pid  5858] close(3)                    = 0
[pid  5858] exit_group(0)               = ?
[pid  5858] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5858, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=16 /* 0.16 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 5861 attached
, child_tidptr=0x55557f13e650) = 5861
[pid  5861] set_robust_list(0x55557f13e660, 24) = 0
[pid  5861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5861] setpgid(0, 0)               = 0
[pid  5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5861] write(3, "1000", 4)         = 4
[pid  5861] close(3)                    = 0
[pid  5861] write(1, "executing program\n", 18executing program
) = 18
[pid  5861] memfd_create("syzkaller", 0) = 3
[pid  5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5861] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5861] munmap(0x7fb418a00000, 138412032) = 0
[pid  5861] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5861] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5861] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5861] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5861] close(4)                    = 0
[pid  5861] close(3)                    = 0
[pid  5861] exit_group(0)               = ?
[pid  5861] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=13 /* 0.13 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 5863 attached
 <unfinished ...>
[pid  5863] set_robust_list(0x55557f13e660, 24) = 0
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5863
[pid  5863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5863] setpgid(0, 0)               = 0
[pid  5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5863] write(3, "1000", 4)         = 4
[pid  5863] close(3)                    = 0
executing program
[pid  5863] write(1, "executing program\n", 18) = 18
[pid  5863] memfd_create("syzkaller", 0) = 3
[pid  5863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5863] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5863] munmap(0x7fb418a00000, 138412032) = 0
[pid  5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5863] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5863] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5863] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5863] close(4)                    = 0
[pid  5863] close(3)                    = 0
[pid  5863] exit_group(0)               = ?
[pid  5863] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, 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 5865 attached
 <unfinished ...>
[pid  5865] set_robust_list(0x55557f13e660, 24 <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5865
[pid  5865] <... set_robust_list resumed>) = 0
[pid  5865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5865] setpgid(0, 0)               = 0
[pid  5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5865] write(3, "1000", 4)         = 4
[pid  5865] close(3)                    = 0
executing program
[pid  5865] write(1, "executing program\n", 18) = 18
[pid  5865] memfd_create("syzkaller", 0) = 3
[pid  5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5865] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5865] munmap(0x7fb418a00000, 138412032) = 0
[pid  5865] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5865] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5865] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5865] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5865] close(4)                    = 0
[pid  5865] close(3)                    = 0
[pid  5865] exit_group(0)               = ?
[pid  5865] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, 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 5867 attached
 <unfinished ...>
[pid  5867] set_robust_list(0x55557f13e660, 24) = 0
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5867
[pid  5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5867] setpgid(0, 0)               = 0
[pid  5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5867] write(3, "1000", 4)         = 4
executing program
[pid  5867] close(3)                    = 0
[pid  5867] write(1, "executing program\n", 18) = 18
[pid  5867] memfd_create("syzkaller", 0) = 3
[pid  5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5867] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5867] munmap(0x7fb418a00000, 138412032) = 0
[pid  5867] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5867] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5867] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5867] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5867] close(4)                    = 0
[pid  5867] close(3)                    = 0
[pid  5867] exit_group(0)               = ?
[pid  5867] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=14 /* 0.14 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 5870 attached
 <unfinished ...>
[pid  5870] set_robust_list(0x55557f13e660, 24) = 0
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5870
[pid  5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5870] setpgid(0, 0)               = 0
[pid  5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5870] write(3, "1000", 4)         = 4
[pid  5870] close(3)                    = 0
[pid  5870] write(1, "executing program\n", 18executing program
) = 18
[pid  5870] memfd_create("syzkaller", 0) = 3
[pid  5870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5870] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5870] munmap(0x7fb418a00000, 138412032) = 0
[pid  5870] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5870] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5870] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5870] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5870] close(4)                    = 0
[pid  5870] close(3)                    = 0
[pid  5870] exit_group(0)               = ?
[pid  5870] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=15 /* 0.15 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 5873 attached
, child_tidptr=0x55557f13e650) = 5873
[pid  5873] set_robust_list(0x55557f13e660, 24) = 0
[pid  5873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5873] setpgid(0, 0)               = 0
[pid  5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5873] write(3, "1000", 4)         = 4
[pid  5873] close(3)                    = 0
executing program
[pid  5873] write(1, "executing program\n", 18) = 18
[pid  5873] memfd_create("syzkaller", 0) = 3
[pid  5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5873] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5873] munmap(0x7fb418a00000, 138412032) = 0
[pid  5873] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5873] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5873] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5873] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5873] close(4)                    = 0
[pid  5873] close(3)                    = 0
[pid  5873] exit_group(0)               = ?
[pid  5873] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, 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 5877 attached
 <unfinished ...>
[pid  5877] set_robust_list(0x55557f13e660, 24 <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5877
[pid  5877] <... set_robust_list resumed>) = 0
[pid  5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5877] setpgid(0, 0)               = 0
[pid  5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5877] write(3, "1000", 4)         = 4
[pid  5877] close(3executing program
)                    = 0
[pid  5877] write(1, "executing program\n", 18) = 18
[pid  5877] memfd_create("syzkaller", 0) = 3
[pid  5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5877] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5877] munmap(0x7fb418a00000, 138412032) = 0
[pid  5877] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5877] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5877] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5877] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5877] close(4)                    = 0
[pid  5877] close(3)                    = 0
[pid  5877] exit_group(0)               = ?
[pid  5877] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=12 /* 0.12 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 5879 attached
, child_tidptr=0x55557f13e650) = 5879
[pid  5879] set_robust_list(0x55557f13e660, 24) = 0
[pid  5879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5879] setpgid(0, 0)               = 0
[pid  5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5879] write(3, "1000", 4)         = 4
[pid  5879] close(3)                    = 0
executing program
[pid  5879] write(1, "executing program\n", 18) = 18
[pid  5879] memfd_create("syzkaller", 0) = 3
[pid  5879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5879] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5879] munmap(0x7fb418a00000, 138412032) = 0
[pid  5879] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5879] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5879] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5879] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5879] close(4)                    = 0
[pid  5879] close(3)                    = 0
[pid  5879] exit_group(0)               = ?
[pid  5879] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=15 /* 0.15 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 5883 attached
 <unfinished ...>
[pid  5883] set_robust_list(0x55557f13e660, 24) = 0
[pid  5883] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5883
[pid  5883] <... prctl resumed>)        = 0
[pid  5883] setpgid(0, 0)               = 0
[pid  5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5883] write(3, "1000", 4)         = 4
[pid  5883] close(3executing program
)                    = 0
[pid  5883] write(1, "executing program\n", 18) = 18
[pid  5883] memfd_create("syzkaller", 0) = 3
[pid  5883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5883] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5883] munmap(0x7fb418a00000, 138412032) = 0
[pid  5883] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5883] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5883] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5883] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5883] close(4)                    = 0
[pid  5883] close(3)                    = 0
[pid  5883] exit_group(0)               = ?
[pid  5883] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=15 /* 0.15 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 5885 attached
, child_tidptr=0x55557f13e650) = 5885
[pid  5885] set_robust_list(0x55557f13e660, 24) = 0
[pid  5885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5885] setpgid(0, 0)               = 0
[pid  5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5885] write(3, "1000", 4)         = 4
[pid  5885] close(3)                    = 0
executing program
[pid  5885] write(1, "executing program\n", 18) = 18
[pid  5885] memfd_create("syzkaller", 0) = 3
[pid  5885] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5885] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5885] munmap(0x7fb418a00000, 138412032) = 0
[pid  5885] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5885] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5885] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5885] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5885] close(4)                    = 0
[pid  5885] close(3)                    = 0
[pid  5885] exit_group(0)               = ?
[pid  5885] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 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 5887 attached
 <unfinished ...>
[pid  5887] set_robust_list(0x55557f13e660, 24) = 0
[pid  5887] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5887
[pid  5887] <... prctl resumed>)        = 0
[pid  5887] setpgid(0, 0)               = 0
[pid  5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5887] write(3, "1000", 4)         = 4
[pid  5887] close(3)                    = 0
executing program
[pid  5887] write(1, "executing program\n", 18) = 18
[pid  5887] memfd_create("syzkaller", 0) = 3
[pid  5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5887] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5887] munmap(0x7fb418a00000, 138412032) = 0
[pid  5887] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5887] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5887] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5887] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5887] close(4)                    = 0
[pid  5887] close(3)                    = 0
[   91.915282][ T3080] cfg80211: failed to load regulatory.db
[pid  5887] exit_group(0)               = ?
[pid  5887] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=14 /* 0.14 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 5890 attached
 <unfinished ...>
[pid  5890] set_robust_list(0x55557f13e660, 24) = 0
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5890
[pid  5890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5890] setpgid(0, 0)               = 0
[pid  5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5890] write(3, "1000", 4)         = 4
[pid  5890] close(3)                    = 0
[pid  5890] write(1, "executing program\n", 18executing program
) = 18
[pid  5890] memfd_create("syzkaller", 0) = 3
[pid  5890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5890] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5890] munmap(0x7fb418a00000, 138412032) = 0
[pid  5890] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5890] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5890] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5890] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5890] close(4)                    = 0
[pid  5890] close(3)                    = 0
[pid  5890] exit_group(0)               = ?
[pid  5890] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=14 /* 0.14 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 5892 attached
, child_tidptr=0x55557f13e650) = 5892
[pid  5892] set_robust_list(0x55557f13e660, 24) = 0
[pid  5892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5892] setpgid(0, 0)               = 0
[pid  5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5892] write(3, "1000", 4)         = 4
[pid  5892] close(3)                    = 0
[pid  5892] write(1, "executing program\n", 18executing program
) = 18
[pid  5892] memfd_create("syzkaller", 0) = 3
[pid  5892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5892] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5892] munmap(0x7fb418a00000, 138412032) = 0
[pid  5892] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5892] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5892] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5892] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5892] close(4)                    = 0
[pid  5892] close(3)                    = 0
[pid  5892] exit_group(0)               = ?
[pid  5892] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=15 /* 0.15 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 5894 attached
, child_tidptr=0x55557f13e650) = 5894
[pid  5894] set_robust_list(0x55557f13e660, 24) = 0
[pid  5894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5894] setpgid(0, 0)               = 0
executing program
[pid  5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5894] write(3, "1000", 4)         = 4
[pid  5894] close(3)                    = 0
[pid  5894] write(1, "executing program\n", 18) = 18
[pid  5894] memfd_create("syzkaller", 0) = 3
[pid  5894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5894] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5894] munmap(0x7fb418a00000, 138412032) = 0
[pid  5894] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5894] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5894] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5894] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5894] close(4)                    = 0
[pid  5894] close(3)                    = 0
[pid  5894] exit_group(0)               = ?
[pid  5894] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=16 /* 0.16 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 5897 attached
 <unfinished ...>
[pid  5897] set_robust_list(0x55557f13e660, 24 <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5897
[pid  5897] <... set_robust_list resumed>) = 0
[pid  5897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5897] setpgid(0, 0)               = 0
[pid  5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5897] write(3, "1000", 4)         = 4
[pid  5897] close(3)                    = 0
[pid  5897] write(1, "executing program\n", 18executing program
) = 18
[pid  5897] memfd_create("syzkaller", 0) = 3
[pid  5897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5897] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5897] munmap(0x7fb418a00000, 138412032) = 0
[pid  5897] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5897] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5897] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5897] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5897] close(4)                    = 0
[pid  5897] close(3)                    = 0
[pid  5897] exit_group(0)               = ?
[pid  5897] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=14 /* 0.14 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 5900 attached
 <unfinished ...>
[pid  5900] set_robust_list(0x55557f13e660, 24) = 0
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5900
[pid  5900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5900] setpgid(0, 0)               = 0
[pid  5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5900] write(3, "1000", 4)         = 4
[pid  5900] close(3)                    = 0
executing program
[pid  5900] write(1, "executing program\n", 18) = 18
[pid  5900] memfd_create("syzkaller", 0) = 3
[pid  5900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5900] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5900] munmap(0x7fb418a00000, 138412032) = 0
[pid  5900] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5900] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5900] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5900] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5900] close(4)                    = 0
[pid  5900] close(3)                    = 0
[pid  5900] exit_group(0)               = ?
[pid  5900] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=16 /* 0.16 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 5902 attached
 <unfinished ...>
[pid  5902] set_robust_list(0x55557f13e660, 24) = 0
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5902
[pid  5902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5902] setpgid(0, 0)               = 0
[pid  5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5902] write(3, "1000", 4)         = 4
[pid  5902] close(3)                    = 0
executing program
[pid  5902] write(1, "executing program\n", 18) = 18
[pid  5902] memfd_create("syzkaller", 0) = 3
[pid  5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5902] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5902] munmap(0x7fb418a00000, 138412032) = 0
[pid  5902] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5902] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5902] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5902] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5902] close(4)                    = 0
[pid  5902] close(3)                    = 0
[pid  5902] exit_group(0)               = ?
[pid  5902] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=15 /* 0.15 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 5904 attached
 <unfinished ...>
[pid  5904] set_robust_list(0x55557f13e660, 24) = 0
[pid  5904] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5904
[pid  5904] <... prctl resumed>)        = 0
[pid  5904] setpgid(0, 0)               = 0
[pid  5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5904] write(3, "1000", 4)         = 4
[pid  5904] close(3)                    = 0
[pid  5904] write(1, "executing program\n", 18executing program
) = 18
[pid  5904] memfd_create("syzkaller", 0) = 3
[pid  5904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5904] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5904] munmap(0x7fb418a00000, 138412032) = 0
[pid  5904] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5904] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5904] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5904] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5904] close(4)                    = 0
[pid  5904] close(3)                    = 0
[pid  5904] exit_group(0)               = ?
[pid  5904] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=16 /* 0.16 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 5907 attached
, child_tidptr=0x55557f13e650) = 5907
[pid  5907] set_robust_list(0x55557f13e660, 24) = 0
[pid  5907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5907] setpgid(0, 0)               = 0
[pid  5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5907] write(3, "1000", 4)         = 4
[pid  5907] close(3)                    = 0
[pid  5907] write(1, "executing program\n", 18executing program
) = 18
[pid  5907] memfd_create("syzkaller", 0) = 3
[pid  5907] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5907] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5907] munmap(0x7fb418a00000, 138412032) = 0
[pid  5907] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5907] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5907] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5907] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5907] close(4)                    = 0
[pid  5907] close(3)                    = 0
[pid  5907] exit_group(0)               = ?
[pid  5907] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 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 5909 attached
 <unfinished ...>
[pid  5909] set_robust_list(0x55557f13e660, 24 <unfinished ...>
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5909
[pid  5909] <... set_robust_list resumed>) = 0
[pid  5909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5909] setpgid(0, 0)               = 0
[pid  5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5909] write(3, "1000", 4)         = 4
[pid  5909] close(3)                    = 0
[pid  5909] write(1, "executing program\n", 18executing program
) = 18
[pid  5909] memfd_create("syzkaller", 0) = 3
[pid  5909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5909] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5909] munmap(0x7fb418a00000, 138412032) = 0
[pid  5909] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5909] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5909] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5909] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5909] close(4)                    = 0
[pid  5909] close(3)                    = 0
[pid  5909] exit_group(0)               = ?
[pid  5909] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=16 /* 0.16 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 5912 attached
 <unfinished ...>
[pid  5912] set_robust_list(0x55557f13e660, 24) = 0
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5912
[pid  5912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5912] setpgid(0, 0)               = 0
[pid  5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5912] write(3, "1000", 4)         = 4
[pid  5912] close(3executing program
)                    = 0
[pid  5912] write(1, "executing program\n", 18) = 18
[pid  5912] memfd_create("syzkaller", 0) = 3
[pid  5912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5912] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5912] munmap(0x7fb418a00000, 138412032) = 0
[pid  5912] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5912] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5912] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5912] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5912] close(4)                    = 0
[pid  5912] close(3)                    = 0
[pid  5912] exit_group(0)               = ?
[pid  5912] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=14 /* 0.14 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 5914 attached
 <unfinished ...>
[pid  5914] set_robust_list(0x55557f13e660, 24) = 0
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5914
[pid  5914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5914] setpgid(0, 0)               = 0
[pid  5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5914] write(3, "1000", 4)         = 4
[pid  5914] close(3)                    = 0
executing program
[pid  5914] write(1, "executing program\n", 18) = 18
[pid  5914] memfd_create("syzkaller", 0) = 3
[pid  5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5914] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5914] munmap(0x7fb418a00000, 138412032) = 0
[pid  5914] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5914] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5914] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5914] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5914] close(4)                    = 0
[pid  5914] close(3)                    = 0
[pid  5914] exit_group(0)               = ?
[pid  5914] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=14 /* 0.14 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 5916 attached
 <unfinished ...>
[pid  5916] set_robust_list(0x55557f13e660, 24) = 0
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5916
[pid  5916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5916] setpgid(0, 0)               = 0
[pid  5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5916] write(3, "1000", 4)         = 4
[pid  5916] close(3)                    = 0
[pid  5916] write(1, "executing program\n", 18executing program
) = 18
[pid  5916] memfd_create("syzkaller", 0) = 3
[pid  5916] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5916] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5916] munmap(0x7fb418a00000, 138412032) = 0
[pid  5916] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5916] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5916] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5916] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5916] close(4)                    = 0
[pid  5916] close(3)                    = 0
[pid  5916] exit_group(0)               = ?
[pid  5916] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 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 5918 attached
 <unfinished ...>
[pid  5918] set_robust_list(0x55557f13e660, 24) = 0
[pid  5918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5918] setpgid(0, 0)               = 0
[pid  5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5832] <... clone resumed>, child_tidptr=0x55557f13e650) = 5918
[pid  5918] write(3, "1000", 4)         = 4
[pid  5918] close(3)                    = 0
[pid  5918] write(1, "executing program\n", 18executing program
) = 18
[pid  5918] memfd_create("syzkaller", 0) = 3
[pid  5918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5918] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5918] munmap(0x7fb418a00000, 138412032) = 0
[pid  5918] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5918] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5918] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5918] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5918] close(4)                    = 0
[pid  5918] close(3)                    = 0
[pid  5918] exit_group(0)               = ?
[pid  5918] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5918, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=16 /* 0.16 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 5921 attached
, child_tidptr=0x55557f13e650) = 5921
[pid  5921] set_robust_list(0x55557f13e660, 24) = 0
[pid  5921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5921] setpgid(0, 0)               = 0
[pid  5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5921] write(3, "1000", 4)         = 4
[pid  5921] close(3)                    = 0
[pid  5921] write(1, "executing program\n", 18executing program
) = 18
[pid  5921] memfd_create("syzkaller", 0) = 3
[pid  5921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000
[pid  5921] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5921] munmap(0x7fb418a00000, 138412032) = 0
[pid  5921] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5921] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5921] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5921] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5921] close(4)                    = 0
[pid  5921] close(3)                    = 0
[pid  5921] exit_group(0)               = ?
[pid  5921] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5921, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=19 /* 0.19 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 5924 attached
, child_tidptr=0x55557f13e650) = 5924
[pid  5924] set_robust_list(0x55557f13e660, 24) = 0
[pid  5924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5924] setpgid(0, 0)               = 0
[pid  5924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5924] write(3, "1000", 4)         = 4
[pid  5924] close(3)                    = 0
[pid  5924] write(1, "executing program\n", 18executing program
) = 18
[pid  5924] memfd_create("syzkaller", 0) = 3
[pid  5924] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb418a00000