./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor786744709

<...>
Warning: Permanently added '10.128.1.3' (ED25519) to the list of known hosts.
execve("./syz-executor786744709", ["./syz-executor786744709"], 0x7ffc7f15b260 /* 10 vars */) = 0
brk(NULL)                               = 0x55556f1d6000
brk(0x55556f1d6d00)                     = 0x55556f1d6d00
arch_prctl(ARCH_SET_FS, 0x55556f1d6380) = 0
set_tid_address(0x55556f1d6650)         = 5823
set_robust_list(0x55556f1d6660, 24)     = 0
rseq(0x55556f1d6ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor786744709", 4096) = 27
getrandom("\xfe\x58\xe8\x89\x2f\x84\x6d\xce", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556f1d6d00
brk(0x55556f1f7d00)                     = 0x55556f1f7d00
brk(0x55556f1f8000)                     = 0x55556f1f8000
mprotect(0x7fde4d962000, 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 5824 attached
 <unfinished ...>
[pid  5824] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5824] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5823] <... clone resumed>, child_tidptr=0x55556f1d6650) = 5824
[pid  5824] <... prctl resumed>)        = 0
[pid  5824] setpgid(0, 0)               = 0
[pid  5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid  5824] write(3, "1000", 4)         = 4
[pid  5824] close(3)                    = 0
[pid  5824] write(1, "executing program\n", 18) = 18
[pid  5824] memfd_create("syzkaller", 0) = 3
[pid  5824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5824] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5824] munmap(0x7fde45400000, 138412032) = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5824] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5824] close(3)                    = 0
[pid  5824] close(4)                    = 0
[pid  5824] mkdir("./file1", 0777)      = 0
[   89.440122][ T5824] loop0: detected capacity change from 0 to 32768
[   89.464151][ T5824] =======================================================
[   89.464151][ T5824] WARNING: The mand mount option has been deprecated and
[   89.464151][ T5824]          and is ignored by this kernel. Remove the mand
[   89.464151][ T5824]          option from the mount to silence this warning.
[   89.464151][ T5824] =======================================================
[   89.518216][ T5824] ocfs2: Slot 0 on device (7,0) was already allocated to this node!
[pid  5824] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,intr,noacl,") = 0
[pid  5824] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5824] chdir("./file1")            = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5824] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = 4
[   89.536311][ T5824] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
[   89.557795][   T30] audit: type=1800 audit(1750509029.714:2): pid=5824 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor786" name="file1" dev="loop0" ino=17058 res=0 errno=0
[   89.580308][   T30] audit: type=1804 audit(1750509029.744:3): pid=5824 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor786" name="/root/file1/file1" dev="loop0" ino=17058 res=1 errno=0
[   89.581722][ T5824] 
[   89.603546][ T5824] ======================================================
[   89.610862][ T5824] WARNING: possible circular locking dependency detected
[   89.617908][ T5824] 6.16.0-rc2-syzkaller-00269-g11313e2f7812 #0 Not tainted
[   89.625305][ T5824] ------------------------------------------------------
[   89.632327][ T5824] syz-executor786/5824 is trying to acquire lock:
[   89.638922][ T5824] ffff888077c80660 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xb6/0x320
[   89.649684][ T5824] 
[   89.649684][ T5824] but task is already holding lock:
[   89.657315][ T5824] ffff888077c806f8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320
[   89.668234][ T5824] 
[   89.668234][ T5824] which lock already depends on the new lock.
[   89.668234][ T5824] 
[   89.679477][ T5824] 
[   89.679477][ T5824] the existing dependency chain (in reverse order) is:
[   89.688689][ T5824] 
[   89.688689][ T5824] -> #4 (&oi->ip_xattr_sem){++++}-{4:4}:
[   89.696634][ T5824]        lock_acquire+0x120/0x360
[   89.702036][ T5824]        down_read+0x46/0x2e0
[   89.706794][ T5824]        ocfs2_xattr_get+0xdf/0x220
[   89.712184][ T5824]        __vfs_getxattr+0x3f4/0x430
[   89.717484][ T5824]        smk_fetch+0xb4/0x140
[   89.722171][ T5824]        smack_d_instantiate+0x6f5/0x940
[   89.727977][ T5824]        security_d_instantiate+0x10a/0x200
[   89.734653][ T5824]        d_instantiate+0x55/0xa0
[   89.739616][ T5824]        ocfs2_mknod+0x1899/0x2050
[   89.744839][ T5824]        ocfs2_create+0x1a5/0x440
[   89.750065][ T5824]        path_openat+0x14f1/0x3830
[   89.755312][ T5824]        do_filp_open+0x1fa/0x410
[   89.760335][ T5824]        do_sys_openat2+0x121/0x1c0
[   89.765547][ T5824]        __x64_sys_open+0x11e/0x150
[   89.770875][ T5824]        do_syscall_64+0xfa/0x3b0
[   89.775948][ T5824]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   89.782725][ T5824] 
[   89.782725][ T5824] -> #3 (jbd2_handle){.+.+}-{0:0}:
[   89.790054][ T5824]        lock_acquire+0x120/0x360
[   89.795086][ T5824]        start_this_handle+0x1fa7/0x21c0
[   89.801158][ T5824]        jbd2__journal_start+0x2c1/0x5b0
[   89.806798][ T5824]        jbd2_journal_start+0x2a/0x40
[   89.812198][ T5824]        ocfs2_start_trans+0x376/0x6d0
[   89.817851][ T5824]        ocfs2_mknod+0xe93/0x2050
[   89.822888][ T5824]        ocfs2_create+0x1a5/0x440
[   89.828091][ T5824]        path_openat+0x14f1/0x3830
[   89.833199][ T5824]        do_filp_open+0x1fa/0x410
[   89.838309][ T5824]        do_sys_openat2+0x121/0x1c0
[   89.843548][ T5824]        __x64_sys_open+0x11e/0x150
[   89.848870][ T5824]        do_syscall_64+0xfa/0x3b0
[   89.853910][ T5824]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   89.860509][ T5824] 
[   89.860509][ T5824] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}:
[   89.869138][ T5824]        lock_acquire+0x120/0x360
[   89.874360][ T5824]        down_read+0x46/0x2e0
[   89.879305][ T5824]        ocfs2_start_trans+0x36a/0x6d0
[   89.884789][ T5824]        ocfs2_mknod+0xe93/0x2050
[   89.889809][ T5824]        ocfs2_create+0x1a5/0x440
[   89.895115][ T5824]        path_openat+0x14f1/0x3830
[   89.900261][ T5824]        do_filp_open+0x1fa/0x410
[   89.905386][ T5824]        do_sys_openat2+0x121/0x1c0
[   89.910857][ T5824]        __x64_sys_open+0x11e/0x150
[   89.916063][ T5824]        do_syscall_64+0xfa/0x3b0
[   89.921084][ T5824]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   89.927779][ T5824] 
[   89.927779][ T5824] -> #1 (sb_internal#2){.+.+}-{0:0}:
[   89.935387][ T5824]        lock_acquire+0x120/0x360
[   89.940513][ T5824]        ocfs2_start_trans+0x26b/0x6d0
[   89.946001][ T5824]        ocfs2_truncate_file+0x643/0x1420
[   89.952014][ T5824]        ocfs2_setattr+0x1520/0x1b40
[   89.957665][ T5824]        notify_change+0xb36/0xe40
[   89.963061][ T5824]        do_truncate+0x1a4/0x220
[   89.968137][ T5824]        path_openat+0x306c/0x3830
[   89.973533][ T5824]        do_filp_open+0x1fa/0x410
[   89.978653][ T5824]        do_sys_openat2+0x121/0x1c0
[   89.984556][ T5824]        __x64_sys_open+0x11e/0x150
[   89.989760][ T5824]        do_syscall_64+0xfa/0x3b0
[   89.994942][ T5824]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.001473][ T5824] 
[   90.001473][ T5824] -> #0 (&oi->ip_alloc_sem){+.+.}-{4:4}:
[   90.009497][ T5824]        validate_chain+0xb9b/0x2140
[   90.014995][ T5824]        __lock_acquire+0xab9/0xd20
[   90.020546][ T5824]        lock_acquire+0x120/0x360
[   90.025578][ T5824]        down_write+0x96/0x1f0
[   90.030425][ T5824]        ocfs2_try_remove_refcount_tree+0xb6/0x320
[   90.037019][ T5824]        ocfs2_truncate_file+0xda0/0x1420
[   90.043011][ T5824]        ocfs2_setattr+0x1520/0x1b40
[   90.048321][ T5824]        notify_change+0xb36/0xe40
[   90.053522][ T5824]        do_truncate+0x1a4/0x220
[   90.058457][ T5824]        path_openat+0x306c/0x3830
[   90.063587][ T5824]        do_filp_open+0x1fa/0x410
[   90.068628][ T5824]        do_sys_openat2+0x121/0x1c0
[   90.073843][ T5824]        __x64_sys_open+0x11e/0x150
[   90.079152][ T5824]        do_syscall_64+0xfa/0x3b0
[   90.084218][ T5824]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.090754][ T5824] 
[   90.090754][ T5824] other info that might help us debug this:
[   90.090754][ T5824] 
[   90.100985][ T5824] Chain exists of:
[   90.100985][ T5824]   &oi->ip_alloc_sem --> jbd2_handle --> &oi->ip_xattr_sem
[   90.100985][ T5824] 
[   90.114122][ T5824]  Possible unsafe locking scenario:
[   90.114122][ T5824] 
[   90.121669][ T5824]        CPU0                    CPU1
[   90.127120][ T5824]        ----                    ----
[   90.132479][ T5824]   lock(&oi->ip_xattr_sem);
[   90.137077][ T5824]                                lock(jbd2_handle);
[   90.143666][ T5824]                                lock(&oi->ip_xattr_sem);
[   90.150863][ T5824]   lock(&oi->ip_alloc_sem);
[   90.155568][ T5824] 
[   90.155568][ T5824]  *** DEADLOCK ***
[   90.155568][ T5824] 
[   90.163715][ T5824] 3 locks held by syz-executor786/5824:
[   90.169250][ T5824]  #0: ffff88805c91e428 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
[   90.178492][ T5824]  #1: ffff888077c809c0 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: do_truncate+0x171/0x220
[   90.188979][ T5824]  #2: ffff888077c806f8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320
[   90.200074][ T5824] 
[   90.200074][ T5824] stack backtrace:
[   90.206020][ T5824] CPU: 0 UID: 0 PID: 5824 Comm: syz-executor786 Not tainted 6.16.0-rc2-syzkaller-00269-g11313e2f7812 #0 PREEMPT(full) 
[   90.206038][ T5824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   90.206045][ T5824] Call Trace:
[   90.206051][ T5824]  <TASK>
[   90.206057][ T5824]  dump_stack_lvl+0x189/0x250
[   90.206078][ T5824]  ? __pfx_dump_stack_lvl+0x10/0x10
[   90.206092][ T5824]  ? __pfx__printk+0x10/0x10
[   90.206104][ T5824]  ? print_lock_name+0xde/0x100
[   90.206120][ T5824]  print_circular_bug+0x2ee/0x310
[   90.206138][ T5824]  check_noncircular+0x134/0x160
[   90.206155][ T5824]  validate_chain+0xb9b/0x2140
[   90.206175][ T5824]  __lock_acquire+0xab9/0xd20
[   90.206189][ T5824]  ? ocfs2_try_remove_refcount_tree+0xb6/0x320
[   90.206205][ T5824]  lock_acquire+0x120/0x360
[   90.206218][ T5824]  ? ocfs2_try_remove_refcount_tree+0xb6/0x320
[   90.206236][ T5824]  down_write+0x96/0x1f0
[   90.206247][ T5824]  ? ocfs2_try_remove_refcount_tree+0xb6/0x320
[   90.206262][ T5824]  ? __pfx_down_write+0x10/0x10
[   90.206274][ T5824]  ocfs2_try_remove_refcount_tree+0xb6/0x320
[   90.206290][ T5824]  ? __pfx_ocfs2_try_remove_refcount_tree+0x10/0x10
[   90.206306][ T5824]  ? up_write+0x1c4/0x420
[   90.206316][ T5824]  ocfs2_truncate_file+0xda0/0x1420
[   90.206330][ T5824]  ? __pfx_ocfs2_truncate_file+0x10/0x10
[   90.206342][ T5824]  ? do_raw_spin_unlock+0x122/0x240
[   90.206353][ T5824]  ? _raw_spin_unlock+0x28/0x50
[   90.206366][ T5824]  ? ocfs2_inode_lock_tracker+0x3ec/0x660
[   90.206382][ T5824]  ? __pfx_ocfs2_inode_lock_tracker+0x10/0x10
[   90.206395][ T5824]  ? ocfs2_rw_lock+0x13a/0x240
[   90.206407][ T5824]  ? __pfx___dquot_initialize+0x10/0x10
[   90.206422][ T5824]  ? __pfx_ocfs2_rw_lock+0x10/0x10
[   90.206433][ T5824]  ? setattr_prepare+0x1e7/0xac0
[   90.206445][ T5824]  ? jbd2_journal_begin_ordered_truncate+0xbb/0x150
[   90.206459][ T5824]  ocfs2_setattr+0x1520/0x1b40
[   90.206473][ T5824]  ? __pfx_ocfs2_setattr+0x10/0x10
[   90.206486][ T5824]  ? smk_tskacc+0x2fc/0x370
[   90.206496][ T5824]  ? smack_inode_setattr+0x17b/0x200
[   90.206507][ T5824]  ? __pfx_smack_inode_setattr+0x10/0x10
[   90.206519][ T5824]  ? current_time+0x222/0x370
[   90.206533][ T5824]  ? evm_inode_setattr+0x1b6/0x7d0
[   90.206547][ T5824]  ? __pfx_current_time+0x10/0x10
[   90.206563][ T5824]  ? try_break_deleg+0x79/0x130
[   90.206573][ T5824]  ? __pfx_ocfs2_setattr+0x10/0x10
[   90.206585][ T5824]  notify_change+0xb36/0xe40
[   90.206598][ T5824]  do_truncate+0x1a4/0x220
[   90.206611][ T5824]  ? __pfx_do_truncate+0x10/0x10
[   90.206626][ T5824]  path_openat+0x306c/0x3830
[   90.206636][ T5824]  ? arch_stack_walk+0xfc/0x150
[   90.206658][ T5824]  ? __pfx_path_openat+0x10/0x10
[   90.206668][ T5824]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.206682][ T5824]  do_filp_open+0x1fa/0x410
[   90.206692][ T5824]  ? __lock_acquire+0xab9/0xd20
[   90.206705][ T5824]  ? __pfx_do_filp_open+0x10/0x10
[   90.206719][ T5824]  ? _raw_spin_unlock+0x28/0x50
[   90.206732][ T5824]  ? alloc_fd+0x64c/0x6c0
[   90.206746][ T5824]  do_sys_openat2+0x121/0x1c0
[   90.206762][ T5824]  ? __pfx_do_sys_openat2+0x10/0x10
[   90.206779][ T5824]  ? rcu_is_watching+0x15/0xb0
[   90.206795][ T5824]  __x64_sys_open+0x11e/0x150
[   90.206811][ T5824]  do_syscall_64+0xfa/0x3b0
[   90.206820][ T5824]  ? lockdep_hardirqs_on+0x9c/0x150
[   90.206835][ T5824]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.206845][ T5824]  ? clear_bhb_loop+0x60/0xb0
[   90.206856][ T5824]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.206867][ T5824] RIP: 0033:0x7fde4d8eaad9
[   90.206879][ T5824] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   90.206887][ T5824] RSP: 002b:00007ffcf011dce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
[   90.206901][ T5824] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fde4d8eaad9
[   90.206916][ T5824] RDX: 1df2a23c5997fa5f RSI: 0000000000080242 RDI: 0000200000000580
[pid  5824] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = 5
[pid  5824] exit_group(0)               = ?
[pid  5824] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5824, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=18 /* 0.18 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5828 attached
 <unfinished ...>
[pid  5828] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5823] <... clone resumed>, child_tidptr=0x55556f1d6650) = 5828
[pid  5828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5828] setpgid(0, 0)               = 0
[pid  5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5828] write(3, "1000", 4)         = 4
[pid  5828] close(3)                    = 0
executing program
[pid  5828] write(1, "executing program\n", 18) = 18
[pid  5828] memfd_create("syzkaller", 0) = 3
[pid  5828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[   90.206924][ T5824] RBP: 0000200000000240 R08: 000055556f1d74c0 R09: 000055556f1d74c0
[   90.206931][ T5824] R10: 0000000000004444 R11: 0000000000000246 R12: 00007ffcf011dd10
[   90.206938][ T5824] R13: 00007ffcf011df38 R14: 431bde82d7b634db R15: 00007fde4d93303b
[   90.206949][ T5824]  </TASK>
[pid  5828] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5828] munmap(0x7fde45400000, 138412032) = 0
[pid  5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5828] close(3)                    = 0
[pid  5828] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5828] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5828] exit_group(0)               = ?
[pid  5828] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5828, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5829 attached
, child_tidptr=0x55556f1d6650) = 5829
[pid  5829] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5829] setpgid(0, 0)               = 0
[pid  5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5829] write(3, "1000", 4)         = 4
[pid  5829] close(3)                    = 0
[pid  5829] write(1, "executing program\n", 18executing program
) = 18
[pid  5829] memfd_create("syzkaller", 0) = 3
[pid  5829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5829] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5829] munmap(0x7fde45400000, 138412032) = 0
[pid  5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5829] close(3)                    = 0
[pid  5829] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5829] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5829] exit_group(0)               = ?
[pid  5829] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5829, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=10 /* 0.10 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5830 attached
, child_tidptr=0x55556f1d6650) = 5830
[pid  5830] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5830] setpgid(0, 0)               = 0
[pid  5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5830] write(3, "1000", 4)         = 4
executing program
[pid  5830] close(3)                    = 0
[pid  5830] write(1, "executing program\n", 18) = 18
[pid  5830] memfd_create("syzkaller", 0) = 3
[pid  5830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5830] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5830] munmap(0x7fde45400000, 138412032) = 0
[pid  5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5830] close(3)                    = 0
[pid  5830] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5830] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5830] exit_group(0)               = ?
[pid  5830] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5830, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5831 attached
, child_tidptr=0x55556f1d6650) = 5831
[pid  5831] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5831] setpgid(0, 0)               = 0
[pid  5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5831] write(3, "1000", 4)         = 4
[pid  5831] close(3)                    = 0
[pid  5831] write(1, "executing program\n", 18executing program
) = 18
[pid  5831] memfd_create("syzkaller", 0) = 3
[pid  5831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5831] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5831] munmap(0x7fde45400000, 138412032) = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5831] close(3)                    = 0
[pid  5831] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5831] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5831] exit_group(0)               = ?
[pid  5831] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5831, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5832 attached
, child_tidptr=0x55556f1d6650) = 5832
[pid  5832] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5832] setpgid(0, 0)               = 0
[pid  5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5832] write(3, "1000", 4)         = 4
[pid  5832] close(3)                    = 0
executing program
[pid  5832] write(1, "executing program\n", 18) = 18
[pid  5832] memfd_create("syzkaller", 0) = 3
[pid  5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5832] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5832] munmap(0x7fde45400000, 138412032) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] close(3)                    = 0
[pid  5832] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5832] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5832] exit_group(0)               = ?
[pid  5832] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5832, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5833 attached
, child_tidptr=0x55556f1d6650) = 5833
[pid  5833] set_robust_list(0x55556f1d6660, 24) = 0
[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(3executing program
)                    = 0
[pid  5833] write(1, "executing program\n", 18) = 18
[pid  5833] memfd_create("syzkaller", 0) = 3
[pid  5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5833] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5833] munmap(0x7fde45400000, 138412032) = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5833] close(3)                    = 0
[pid  5833] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5833] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5833] exit_group(0)               = ?
[pid  5833] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5834 attached
, child_tidptr=0x55556f1d6650) = 5834
[pid  5834] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5834] setpgid(0, 0)               = 0
[pid  5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5834] write(3, "1000", 4)         = 4
[pid  5834] close(3)                    = 0
[pid  5834] write(1, "executing program\n", 18executing program
) = 18
[   92.169328][   T55] cfg80211: failed to load regulatory.db
[pid  5834] memfd_create("syzkaller", 0) = 3
[pid  5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5834] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5834] munmap(0x7fde45400000, 138412032) = 0
[pid  5834] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5834] close(3)                    = 0
[pid  5834] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5834] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5834] exit_group(0)               = ?
[pid  5834] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5834, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached
, child_tidptr=0x55556f1d6650) = 5835
[pid  5835] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5835] setpgid(0, 0)               = 0
[pid  5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5835] write(3, "1000", 4)         = 4
[pid  5835] close(3)                    = 0
executing program
[pid  5835] write(1, "executing program\n", 18) = 18
[pid  5835] memfd_create("syzkaller", 0) = 3
[pid  5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5835] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5835] munmap(0x7fde45400000, 138412032) = 0
[pid  5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5835] close(3)                    = 0
[pid  5835] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5835] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5835] exit_group(0)               = ?
[pid  5835] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5835, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5836 attached
 <unfinished ...>
[pid  5836] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5836] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5823] <... clone resumed>, child_tidptr=0x55556f1d6650) = 5836
[pid  5836] <... prctl resumed>)        = 0
[pid  5836] setpgid(0, 0)               = 0
[pid  5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5836] write(3, "1000", 4)         = 4
[pid  5836] close(3)                    = 0
executing program
[pid  5836] write(1, "executing program\n", 18) = 18
[pid  5836] memfd_create("syzkaller", 0) = 3
[pid  5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5836] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5836] munmap(0x7fde45400000, 138412032) = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5836] close(3)                    = 0
[pid  5836] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5836] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5836] exit_group(0)               = ?
[pid  5836] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5837 attached
 <unfinished ...>
[pid  5837] set_robust_list(0x55556f1d6660, 24 <unfinished ...>
[pid  5823] <... clone resumed>, child_tidptr=0x55556f1d6650) = 5837
[pid  5837] <... set_robust_list resumed>) = 0
[pid  5837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5837] setpgid(0, 0)               = 0
[pid  5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5837] write(3, "1000", 4)         = 4
[pid  5837] close(3)                    = 0
[pid  5837] write(1, "executing program\n", 18executing program
) = 18
[pid  5837] memfd_create("syzkaller", 0) = 3
[pid  5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5837] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5837] munmap(0x7fde45400000, 138412032) = 0
[pid  5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5837] close(3)                    = 0
[pid  5837] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5837] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5837] exit_group(0)               = ?
[pid  5837] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5837, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5839 attached
, child_tidptr=0x55556f1d6650) = 5839
[pid  5839] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5839] setpgid(0, 0)               = 0
[pid  5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "1000", 4)         = 4
[pid  5839] close(3)                    = 0
[pid  5839] write(1, "executing program\n", 18executing program
) = 18
[pid  5839] memfd_create("syzkaller", 0) = 3
[pid  5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5839] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5839] munmap(0x7fde45400000, 138412032) = 0
[pid  5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5839] close(3)                    = 0
[pid  5839] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5839] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5839] exit_group(0)               = ?
[pid  5839] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5840 attached
, child_tidptr=0x55556f1d6650) = 5840
[pid  5840] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5840] setpgid(0, 0)               = 0
[pid  5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5840] write(3, "1000", 4)         = 4
[pid  5840] close(3)                    = 0
executing program
[pid  5840] write(1, "executing program\n", 18) = 18
[pid  5840] memfd_create("syzkaller", 0) = 3
[pid  5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5840] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5840] munmap(0x7fde45400000, 138412032) = 0
[pid  5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5840] close(3)                    = 0
[pid  5840] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5840] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5840] exit_group(0)               = ?
[pid  5840] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached
, child_tidptr=0x55556f1d6650) = 5841
[pid  5841] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5841] setpgid(0, 0)               = 0
[pid  5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5841] write(3, "1000", 4)         = 4
[pid  5841] close(3)                    = 0
executing program
[pid  5841] write(1, "executing program\n", 18) = 18
[pid  5841] memfd_create("syzkaller", 0) = 3
[pid  5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5841] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5841] munmap(0x7fde45400000, 138412032) = 0
[pid  5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5841] close(3)                    = 0
[pid  5841] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5841] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5841] exit_group(0)               = ?
[pid  5841] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5842 attached
, child_tidptr=0x55556f1d6650) = 5842
[pid  5842] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5842] setpgid(0, 0)               = 0
[pid  5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5842] write(3, "1000", 4)         = 4
[pid  5842] close(3)                    = 0
executing program
[pid  5842] write(1, "executing program\n", 18) = 18
[pid  5842] memfd_create("syzkaller", 0) = 3
[pid  5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5842] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5842] munmap(0x7fde45400000, 138412032) = 0
[pid  5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5842] close(3)                    = 0
[pid  5842] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5842] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5842] exit_group(0)               = ?
[pid  5842] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556f1d6650) = 5843
./strace-static-x86_64: Process 5843 attached
[pid  5843] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5843] setpgid(0, 0)               = 0
[pid  5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5843] write(3, "1000", 4)         = 4
[pid  5843] close(3)                    = 0
[pid  5843] write(1, "executing program\n", 18executing program
) = 18
[pid  5843] memfd_create("syzkaller", 0) = 3
[pid  5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5843] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5843] munmap(0x7fde45400000, 138412032) = 0
[pid  5843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5843] close(3)                    = 0
[pid  5843] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5843] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5843] exit_group(0)               = ?
[pid  5843] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=8 /* 0.08 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5845 attached
, child_tidptr=0x55556f1d6650) = 5845
[pid  5845] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5845] setpgid(0, 0)               = 0
[pid  5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5845] write(3, "1000", 4)         = 4
[pid  5845] close(3)                    = 0
[pid  5845] write(1, "executing program\n", 18executing program
) = 18
[pid  5845] memfd_create("syzkaller", 0) = 3
[pid  5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5845] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5845] munmap(0x7fde45400000, 138412032) = 0
[pid  5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5845] close(3)                    = 0
[pid  5845] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5845] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5845] exit_group(0)               = ?
[pid  5845] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5846 attached
, child_tidptr=0x55556f1d6650) = 5846
[pid  5846] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5846] setpgid(0, 0)               = 0
[pid  5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5846] write(3, "1000", 4)         = 4
[pid  5846] close(3)                    = 0
executing program
[pid  5846] write(1, "executing program\n", 18) = 18
[pid  5846] memfd_create("syzkaller", 0) = 3
[pid  5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5846] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5846] munmap(0x7fde45400000, 138412032) = 0
[pid  5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5846] close(3)                    = 0
[pid  5846] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5846] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5846] exit_group(0)               = ?
[pid  5846] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=10 /* 0.10 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5848 attached
, child_tidptr=0x55556f1d6650) = 5848
[pid  5848] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5848] setpgid(0, 0)               = 0
[pid  5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5848] write(3, "1000", 4)         = 4
[pid  5848] close(3)                    = 0
executing program
[pid  5848] write(1, "executing program\n", 18) = 18
[pid  5848] memfd_create("syzkaller", 0) = 3
[pid  5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5848] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5848] munmap(0x7fde45400000, 138412032) = 0
[pid  5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5848] close(3)                    = 0
[pid  5848] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5848] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5848] exit_group(0)               = ?
[pid  5848] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=10 /* 0.10 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5850 attached
, child_tidptr=0x55556f1d6650) = 5850
[pid  5850] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5850] setpgid(0, 0)               = 0
[pid  5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5850] write(3, "1000", 4)         = 4
[pid  5850] close(3)                    = 0
[pid  5850] write(1, "executing program\n", 18executing program
) = 18
[pid  5850] memfd_create("syzkaller", 0) = 3
[pid  5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5850] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5850] munmap(0x7fde45400000, 138412032) = 0
[pid  5850] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5850] close(3)                    = 0
[pid  5850] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5850] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5850] exit_group(0)               = ?
[pid  5850] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached
, child_tidptr=0x55556f1d6650) = 5854
[pid  5854] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5854] setpgid(0, 0)               = 0
[pid  5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5854] write(3, "1000", 4)         = 4
[pid  5854] close(3)                    = 0
[pid  5854] write(1, "executing program\n", 18executing program
) = 18
[pid  5854] memfd_create("syzkaller", 0) = 3
[pid  5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5854] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5854] munmap(0x7fde45400000, 138412032) = 0
[pid  5854] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5854] close(3)                    = 0
[pid  5854] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5854] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5854] exit_group(0)               = ?
[pid  5854] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5855 attached
, child_tidptr=0x55556f1d6650) = 5855
[pid  5855] set_robust_list(0x55556f1d6660, 24) = 0
[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) = 0x7fde45400000
[pid  5855] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5855] munmap(0x7fde45400000, 138412032) = 0
[pid  5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5855] close(3)                    = 0
[pid  5855] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5855] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[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=0, si_stime=11 /* 0.11 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5856 attached
, child_tidptr=0x55556f1d6650) = 5856
[pid  5856] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5856] setpgid(0, 0)               = 0
[pid  5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5856] write(3, "1000", 4)         = 4
[pid  5856] close(3)                    = 0
executing program
[pid  5856] write(1, "executing program\n", 18) = 18
[pid  5856] memfd_create("syzkaller", 0) = 3
[pid  5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5856] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5856] munmap(0x7fde45400000, 138412032) = 0
[pid  5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5856] close(3)                    = 0
[pid  5856] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5856] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5856] exit_group(0)               = ?
[pid  5856] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5857 attached
, child_tidptr=0x55556f1d6650) = 5857
[pid  5857] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5857] setpgid(0, 0)               = 0
[pid  5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5857] write(3, "1000", 4)         = 4
[pid  5857] close(3)                    = 0
executing program
[pid  5857] write(1, "executing program\n", 18) = 18
[pid  5857] memfd_create("syzkaller", 0) = 3
[pid  5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5857] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5857] munmap(0x7fde45400000, 138412032) = 0
[pid  5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5857] close(3)                    = 0
[pid  5857] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5857] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5857] exit_group(0)               = ?
[pid  5857] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5858 attached
, child_tidptr=0x55556f1d6650) = 5858
[pid  5858] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5858] setpgid(0, 0)               = 0
[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(3)                    = 0
executing program
[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) = 0x7fde45400000
[pid  5858] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5858] munmap(0x7fde45400000, 138412032) = 0
[pid  5858] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5858] close(3)                    = 0
[pid  5858] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5858] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[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=3 /* 0.03 s */, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556f1d6650) = 5859
./strace-static-x86_64: Process 5859 attached
[pid  5859] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5859] setpgid(0, 0)               = 0
[pid  5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5859] write(3, "1000", 4)         = 4
[pid  5859] close(3)                    = 0
executing program
[pid  5859] write(1, "executing program\n", 18) = 18
[pid  5859] memfd_create("syzkaller", 0) = 3
[pid  5859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5859] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5859] munmap(0x7fde45400000, 138412032) = 0
[pid  5859] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5859] close(3)                    = 0
[pid  5859] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5859] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5859] exit_group(0)               = ?
[pid  5859] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5860 attached
, child_tidptr=0x55556f1d6650) = 5860
[pid  5860] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5860] setpgid(0, 0)               = 0
[pid  5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5860] write(3, "1000", 4)         = 4
[pid  5860] close(3)                    = 0
[pid  5860] write(1, "executing program\n", 18executing program
) = 18
[pid  5860] memfd_create("syzkaller", 0) = 3
[pid  5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5860] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5860] munmap(0x7fde45400000, 138412032) = 0
[pid  5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5860] close(3)                    = 0
[pid  5860] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5860] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5860] exit_group(0)               = ?
[pid  5860] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5861 attached
, child_tidptr=0x55556f1d6650) = 5861
[pid  5861] set_robust_list(0x55556f1d6660, 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
executing program
[pid  5861] write(1, "executing program\n", 18) = 18
[pid  5861] memfd_create("syzkaller", 0) = 3
[pid  5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5861] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5861] munmap(0x7fde45400000, 138412032) = 0
[pid  5861] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5861] close(3)                    = 0
[pid  5861] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5861] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[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=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5862 attached
, child_tidptr=0x55556f1d6650) = 5862
[pid  5862] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5862] setpgid(0, 0)               = 0
[pid  5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5862] write(3, "1000", 4)         = 4
[pid  5862] close(3)                    = 0
[pid  5862] write(1, "executing program\n", 18executing program
) = 18
[pid  5862] memfd_create("syzkaller", 0) = 3
[pid  5862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5862] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5862] munmap(0x7fde45400000, 138412032) = 0
[pid  5862] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5862] close(3)                    = 0
[pid  5862] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5862] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5862] exit_group(0)               = ?
[pid  5862] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5863 attached
, child_tidptr=0x55556f1d6650) = 5863
[pid  5863] set_robust_list(0x55556f1d6660, 24) = 0
[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) = 0x7fde45400000
[pid  5863] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5863] munmap(0x7fde45400000, 138412032) = 0
[pid  5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5863] close(3)                    = 0
[pid  5863] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5863] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[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=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5864 attached
, child_tidptr=0x55556f1d6650) = 5864
[pid  5864] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5864] setpgid(0, 0)               = 0
[pid  5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5864] write(3, "1000", 4)         = 4
[pid  5864] close(3)                    = 0
[pid  5864] write(1, "executing program\n", 18executing program
) = 18
[pid  5864] memfd_create("syzkaller", 0) = 3
[pid  5864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5864] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5864] munmap(0x7fde45400000, 138412032) = 0
[pid  5864] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5864] close(3)                    = 0
[pid  5864] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5864] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5864] exit_group(0)               = ?
[pid  5864] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556f1d6650) = 5866
./strace-static-x86_64: Process 5866 attached
[pid  5866] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5866] setpgid(0, 0)               = 0
[pid  5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5866] write(3, "1000", 4)         = 4
[pid  5866] close(3)                    = 0
[pid  5866] write(1, "executing program\n", 18executing program
) = 18
[pid  5866] memfd_create("syzkaller", 0) = 3
[pid  5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5866] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5866] munmap(0x7fde45400000, 138412032) = 0
[pid  5866] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5866] close(3)                    = 0
[pid  5866] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5866] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5866] exit_group(0)               = ?
[pid  5866] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5867 attached
, child_tidptr=0x55556f1d6650) = 5867
[pid  5867] set_robust_list(0x55556f1d6660, 24) = 0
[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
[pid  5867] close(3)                    = 0
executing program
[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) = 0x7fde45400000
[pid  5867] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5867] munmap(0x7fde45400000, 138412032) = 0
[pid  5867] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5867] close(3)                    = 0
[pid  5867] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5867] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[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=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5868 attached
 <unfinished ...>
[pid  5868] set_robust_list(0x55556f1d6660, 24 <unfinished ...>
[pid  5823] <... clone resumed>, child_tidptr=0x55556f1d6650) = 5868
[pid  5868] <... set_robust_list resumed>) = 0
[pid  5868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5868] setpgid(0, 0)               = 0
[pid  5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5868] write(3, "1000", 4)         = 4
[pid  5868] close(3)                    = 0
[pid  5868] write(1, "executing program\n", 18executing program
) = 18
[pid  5868] memfd_create("syzkaller", 0) = 3
[pid  5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000
[pid  5868] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5868] munmap(0x7fde45400000, 138412032) = 0
[pid  5868] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5868] close(3)                    = 0
[pid  5868] open("./file1", O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid  5868] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0175137) = -1 EISDIR (Is a directory)
[pid  5868] exit_group(0)               = ?
[pid  5868] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5869 attached
, child_tidptr=0x55556f1d6650) = 5869
[pid  5869] set_robust_list(0x55556f1d6660, 24) = 0
[pid  5869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5869] setpgid(0, 0)               = 0
[pid  5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5869] write(3, "1000", 4)         = 4
[pid  5869] close(3)                    = 0
executing program
[pid  5869] write(1, "executing program\n", 18) = 18
[pid  5869] memfd_create("syzkaller", 0) = 3
[pid  5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde45400000