./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2926473076

<...>
Warning: Permanently added '10.128.0.180' (ED25519) to the list of known hosts.
execve("./syz-executor2926473076", ["./syz-executor2926473076"], 0x7ffd8f750720 /* 10 vars */) = 0
brk(NULL)                               = 0x555588792000
brk(0x555588792d00)                     = 0x555588792d00
arch_prctl(ARCH_SET_FS, 0x555588792380) = 0
set_tid_address(0x555588792650)         = 5820
set_robust_list(0x555588792660, 24)     = 0
rseq(0x555588792ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2926473076", 4096) = 28
getrandom("\xd6\xc9\xdc\x54\x65\xba\xeb\x06", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555588792d00
brk(0x5555887b3d00)                     = 0x5555887b3d00
brk(0x5555887b4000)                     = 0x5555887b4000
mprotect(0x7fd0fd224000, 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 5821 attached
 <unfinished ...>
[pid  5821] set_robust_list(0x555588792660, 24) = 0
[pid  5821] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5820] <... clone resumed>, child_tidptr=0x555588792650) = 5821
[pid  5821] <... prctl resumed>)        = 0
[pid  5821] setpgid(0, 0)               = 0
[pid  5821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5821] write(3, "1000", 4)         = 4
[pid  5821] close(3)                    = 0
[pid  5821] write(1, "executing program\n", 18) = 18
executing program
[pid  5821] memfd_create("syzkaller", 0) = 3
[pid  5821] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[pid  5821] 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  5821] munmap(0x7fd0f4c00000, 138412032) = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5821] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5821] close(3)                    = 0
[pid  5821] close(4)                    = 0
[pid  5821] mkdir("./file0", 0777)      = 0
[   91.795465][ T5821] loop0: detected capacity change from 0 to 32768
[   91.827171][ T5821] =======================================================
[   91.827171][ T5821] WARNING: The mand mount option has been deprecated and
[   91.827171][ T5821]          and is ignored by this kernel. Remove the mand
[   91.827171][ T5821]          option from the mount to silence this warning.
[   91.827171][ T5821] =======================================================
[pid  5821] mount("/dev/loop0", "./file0", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "nointr,inode64,coherency=buffered,heartbeat=none,journal_async_commit,localflocks,atime_quantum=0000"...) = 0
[pid  5821] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5821] chdir("./file0")            = 0
[pid  5821] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5821] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[   91.888098][ T5821] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode.
[   91.911394][  T919] cfg80211: failed to load regulatory.db
[   91.939424][ T5821] 
[   91.941800][ T5821] ======================================================
[   91.949204][ T5821] WARNING: possible circular locking dependency detected
[   91.956334][ T5821] 6.15.0-rc7-syzkaller-00144-gb1427432d3b6 #0 Not tainted
[   91.963446][ T5821] ------------------------------------------------------
[   91.970568][ T5821] syz-executor292/5821 is trying to acquire lock:
[   91.977019][ T5821] ffff8880734fdbe0 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xb6/0x320
[   91.987792][ T5821] 
[   91.987792][ T5821] but task is already holding lock:
[   91.995174][ T5821] ffff8880734fdc78 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320
[   92.005817][ T5821] 
[   92.005817][ T5821] which lock already depends on the new lock.
[   92.005817][ T5821] 
[   92.016238][ T5821] 
[   92.016238][ T5821] the existing dependency chain (in reverse order) is:
[   92.025524][ T5821] 
[   92.025524][ T5821] -> #4 (&oi->ip_xattr_sem){++++}-{4:4}:
[   92.033366][ T5821]        lock_acquire+0x120/0x360
[   92.038404][ T5821]        down_read+0x46/0x2e0
[   92.043100][ T5821]        ocfs2_init_acl+0x2f9/0x720
[   92.048383][ T5821]        ocfs2_mknod+0x1321/0x2050
[   92.053521][ T5821]        ocfs2_create+0x1a5/0x440
[   92.058551][ T5821]        path_openat+0x14f1/0x3830
[   92.063679][ T5821]        do_filp_open+0x1fa/0x410
[   92.068699][ T5821]        do_sys_openat2+0x121/0x1c0
[   92.073906][ T5821]        __x64_sys_open+0x11e/0x150
[   92.079111][ T5821]        do_syscall_64+0xf6/0x210
[   92.084141][ T5821]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   92.090552][ T5821] 
[   92.090552][ T5821] -> #3 (jbd2_handle){.+.+}-{0:0}:
[   92.097867][ T5821]        lock_acquire+0x120/0x360
[   92.102913][ T5821]        start_this_handle+0x1fa7/0x21c0
[   92.108574][ T5821]        jbd2__journal_start+0x2c1/0x5b0
[   92.114957][ T5821]        jbd2_journal_start+0x2a/0x40
[   92.120362][ T5821]        ocfs2_start_trans+0x376/0x6d0
[   92.125834][ T5821]        ocfs2_reserve_suballoc_bits+0x711/0x4640
[   92.132254][ T5821]        ocfs2_reserve_new_metadata_blocks+0x403/0x940
[   92.139108][ T5821]        ocfs2_mknod+0xe08/0x2050
[   92.144227][ T5821]        ocfs2_create+0x1a5/0x440
[   92.149477][ T5821]        path_openat+0x14f1/0x3830
[   92.154646][ T5821]        do_filp_open+0x1fa/0x410
[   92.159678][ T5821]        do_sys_openat2+0x121/0x1c0
[   92.164907][ T5821]        __x64_sys_open+0x11e/0x150
[   92.170205][ T5821]        do_syscall_64+0xf6/0x210
[   92.175374][ T5821]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   92.181796][ T5821] 
[   92.181796][ T5821] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}:
[   92.190847][ T5821]        lock_acquire+0x120/0x360
[   92.195885][ T5821]        down_read+0x46/0x2e0
[   92.200583][ T5821]        ocfs2_start_trans+0x36a/0x6d0
[   92.206059][ T5821]        ocfs2_reserve_suballoc_bits+0x711/0x4640
[   92.212574][ T5821]        ocfs2_reserve_new_metadata_blocks+0x403/0x940
[   92.219520][ T5821]        ocfs2_mknod+0xe08/0x2050
[   92.224559][ T5821]        ocfs2_create+0x1a5/0x440
[   92.229597][ T5821]        path_openat+0x14f1/0x3830
[   92.234804][ T5821]        do_filp_open+0x1fa/0x410
[   92.239832][ T5821]        do_sys_openat2+0x121/0x1c0
[   92.245057][ T5821]        __x64_sys_open+0x11e/0x150
[   92.250375][ T5821]        do_syscall_64+0xf6/0x210
[   92.255478][ T5821]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   92.262145][ T5821] 
[   92.262145][ T5821] -> #1 (sb_internal#2){.+.+}-{0:0}:
[   92.269734][ T5821]        lock_acquire+0x120/0x360
[   92.274943][ T5821]        ocfs2_start_trans+0x26b/0x6d0
[   92.280406][ T5821]        ocfs2_truncate_file+0x643/0x1420
[   92.286175][ T5821]        ocfs2_setattr+0x1520/0x1b40
[   92.291649][ T5821]        notify_change+0xb36/0xe40
[   92.296780][ T5821]        do_truncate+0x19a/0x220
[   92.301736][ T5821]        path_openat+0x306c/0x3830
[   92.306857][ T5821]        do_filp_open+0x1fa/0x410
[   92.311885][ T5821]        do_sys_openat2+0x121/0x1c0
[   92.317089][ T5821]        __x64_sys_open+0x11e/0x150
[   92.322901][ T5821]        do_syscall_64+0xf6/0x210
[   92.327947][ T5821]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   92.334543][ T5821] 
[   92.334543][ T5821] -> #0 (&oi->ip_alloc_sem){+.+.}-{4:4}:
[   92.342461][ T5821]        validate_chain+0xb9b/0x2140
[   92.347756][ T5821]        __lock_acquire+0xaac/0xd20
[   92.353531][ T5821]        lock_acquire+0x120/0x360
[   92.358651][ T5821]        down_write+0x96/0x1f0
[   92.363441][ T5821]        ocfs2_try_remove_refcount_tree+0xb6/0x320
[   92.369957][ T5821]        ocfs2_truncate_file+0xda0/0x1420
[   92.375768][ T5821]        ocfs2_setattr+0x1520/0x1b40
[   92.381064][ T5821]        notify_change+0xb36/0xe40
[   92.386182][ T5821]        do_truncate+0x19a/0x220
[   92.391140][ T5821]        path_openat+0x306c/0x3830
[   92.396340][ T5821]        do_filp_open+0x1fa/0x410
[   92.401394][ T5821]        do_sys_openat2+0x121/0x1c0
[   92.406642][ T5821]        __x64_sys_open+0x11e/0x150
[   92.411842][ T5821]        do_syscall_64+0xf6/0x210
[   92.416987][ T5821]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   92.423516][ T5821] 
[   92.423516][ T5821] other info that might help us debug this:
[   92.423516][ T5821] 
[   92.433855][ T5821] Chain exists of:
[   92.433855][ T5821]   &oi->ip_alloc_sem --> jbd2_handle --> &oi->ip_xattr_sem
[   92.433855][ T5821] 
[   92.446991][ T5821]  Possible unsafe locking scenario:
[   92.446991][ T5821] 
[   92.454828][ T5821]        CPU0                    CPU1
[   92.461072][ T5821]        ----                    ----
[   92.466535][ T5821]   lock(&oi->ip_xattr_sem);
[   92.471161][ T5821]                                lock(jbd2_handle);
[   92.478035][ T5821]                                lock(&oi->ip_xattr_sem);
[   92.485169][ T5821]   lock(&oi->ip_alloc_sem);
[   92.489841][ T5821] 
[   92.489841][ T5821]  *** DEADLOCK ***
[   92.489841][ T5821] 
[   92.498011][ T5821] 3 locks held by syz-executor292/5821:
[   92.503654][ T5821]  #0: ffff88802fad0420 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
[   92.512906][ T5821]  #1: ffff8880734fdf40 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: do_truncate+0x186/0x220
[   92.523986][ T5821]  #2: ffff8880734fdc78 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320
[   92.535088][ T5821] 
[   92.535088][ T5821] stack backtrace:
[   92.540994][ T5821] CPU: 1 UID: 0 PID: 5821 Comm: syz-executor292 Not tainted 6.15.0-rc7-syzkaller-00144-gb1427432d3b6 #0 PREEMPT(full) 
[   92.541016][ T5821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   92.541033][ T5821] Call Trace:
[   92.541040][ T5821]  <TASK>
[   92.541050][ T5821]  dump_stack_lvl+0x189/0x250
[   92.541074][ T5821]  ? __pfx_dump_stack_lvl+0x10/0x10
[   92.541092][ T5821]  ? __pfx__printk+0x10/0x10
[   92.541115][ T5821]  ? print_lock_name+0xde/0x100
[   92.541137][ T5821]  print_circular_bug+0x2ee/0x310
[   92.541152][ T5821]  check_noncircular+0x134/0x160
[   92.541167][ T5821]  validate_chain+0xb9b/0x2140
[   92.541197][ T5821]  __lock_acquire+0xaac/0xd20
[   92.541217][ T5821]  ? ocfs2_try_remove_refcount_tree+0xb6/0x320
[   92.541232][ T5821]  lock_acquire+0x120/0x360
[   92.541249][ T5821]  ? ocfs2_try_remove_refcount_tree+0xb6/0x320
[   92.541268][ T5821]  down_write+0x96/0x1f0
[   92.541287][ T5821]  ? ocfs2_try_remove_refcount_tree+0xb6/0x320
[   92.541301][ T5821]  ? __pfx_down_write+0x10/0x10
[   92.541323][ T5821]  ocfs2_try_remove_refcount_tree+0xb6/0x320
[   92.541338][ T5821]  ? __pfx_ocfs2_try_remove_refcount_tree+0x10/0x10
[   92.541353][ T5821]  ? up_write+0x1c4/0x420
[   92.541368][ T5821]  ocfs2_truncate_file+0xda0/0x1420
[   92.541391][ T5821]  ? __pfx_ocfs2_truncate_file+0x10/0x10
[   92.541409][ T5821]  ? do_raw_spin_unlock+0x122/0x240
[   92.541425][ T5821]  ? _raw_spin_unlock+0x28/0x50
[   92.541443][ T5821]  ? ocfs2_inode_lock_tracker+0x3ec/0x660
[   92.541460][ T5821]  ? __pfx_ocfs2_inode_lock_tracker+0x10/0x10
[   92.541481][ T5821]  ? ocfs2_rw_lock+0x13a/0x240
[   92.541500][ T5821]  ? __pfx___dquot_initialize+0x10/0x10
[   92.541513][ T5821]  ? __pfx_ocfs2_rw_lock+0x10/0x10
[   92.541532][ T5821]  ? setattr_prepare+0x1e7/0xac0
[   92.541551][ T5821]  ? inode_newsize_ok+0x11b/0x1c0
[   92.541570][ T5821]  ocfs2_setattr+0x1520/0x1b40
[   92.541592][ T5821]  ? __pfx_ocfs2_setattr+0x10/0x10
[   92.541613][ T5821]  ? smk_tskacc+0x2fc/0x370
[   92.541635][ T5821]  ? smack_inode_setattr+0x17b/0x200
[   92.541647][ T5821]  ? __pfx_smack_inode_setattr+0x10/0x10
[   92.541671][ T5821]  ? current_time+0x222/0x370
[   92.541685][ T5821]  ? evm_inode_setattr+0x1b6/0x7d0
[   92.541703][ T5821]  ? __pfx_current_time+0x10/0x10
[   92.541719][ T5821]  ? try_break_deleg+0x79/0x130
[   92.541736][ T5821]  ? __pfx_ocfs2_setattr+0x10/0x10
[   92.541754][ T5821]  notify_change+0xb36/0xe40
[   92.541775][ T5821]  do_truncate+0x19a/0x220
[   92.541796][ T5821]  ? __pfx_do_truncate+0x10/0x10
[   92.541822][ T5821]  path_openat+0x306c/0x3830
[   92.541839][ T5821]  ? arch_stack_walk+0xfc/0x150
[   92.541863][ T5821]  ? rcu_is_watching+0x15/0xb0
[   92.541887][ T5821]  ? __pfx_path_openat+0x10/0x10
[   92.541903][ T5821]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   92.541923][ T5821]  do_filp_open+0x1fa/0x410
[   92.541941][ T5821]  ? __pfx_do_filp_open+0x10/0x10
[   92.541965][ T5821]  ? _raw_spin_unlock+0x28/0x50
[   92.541978][ T5821]  ? alloc_fd+0x64c/0x6c0
[   92.542002][ T5821]  do_sys_openat2+0x121/0x1c0
[   92.542017][ T5821]  ? __pfx_ptrace_notify+0x10/0x10
[   92.542037][ T5821]  ? __pfx_do_sys_openat2+0x10/0x10
[   92.542053][ T5821]  ? rcu_is_watching+0x15/0xb0
[   92.542075][ T5821]  __x64_sys_open+0x11e/0x150
[   92.542092][ T5821]  do_syscall_64+0xf6/0x210
[   92.542110][ T5821]  ? clear_bhb_loop+0x60/0xb0
[   92.542126][ T5821]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   92.542140][ T5821] RIP: 0033:0x7fd0fd1abe99
[   92.542161][ T5821] 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
[   92.542173][ T5821] RSP: 002b:00007ffd87d84018 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
[   92.542189][ T5821] RAX: ffffffffffffffda RBX: 0000200000000300 RCX: 00007fd0fd1abe99
[   92.542199][ T5821] RDX: 0000000000000000 RSI: 000000000014927e RDI: 0000200000000300
[   92.542208][ T5821] RBP: 0031656c69662f2e R08: 00005555887934c0 R09: 00005555887934c0
[   92.542217][ T5821] R10: 0000000000004436 R11: 0000000000000246 R12: 00007ffd87d84040
[   92.542226][ T5821] R13: 00007ffd87d84268 R14: 431bde82d7b634db R15: 00007fd0fd1f503b
[pid  5821] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 5
[pid  5821] exit_group(0)               = ?
[pid  5821] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5821, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=20 /* 0.20 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
[   92.542242][ T5821]  </TASK>
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5825 attached
, child_tidptr=0x555588792650) = 5825
[pid  5825] set_robust_list(0x555588792660, 24) = 0
[pid  5825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5825] setpgid(0, 0)               = 0
[pid  5825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5825] write(3, "1000", 4)         = 4
[pid  5825] close(3)                    = 0
[pid  5825] write(1, "executing program\n", 18executing program
) = 18
[pid  5825] memfd_create("syzkaller", 0) = 3
[pid  5825] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[pid  5825] 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  5825] munmap(0x7fd0f4c00000, 138412032) = 0
[pid  5825] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5825] close(3)                    = 0
[pid  5825] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5825] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5825] exit_group(0)               = ?
[pid  5825] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5825, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 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 5827 attached
, child_tidptr=0x555588792650) = 5827
[pid  5827] set_robust_list(0x555588792660, 24) = 0
[pid  5827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5827] setpgid(0, 0)               = 0
[pid  5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5827] write(3, "1000", 4)         = 4
[pid  5827] close(3)                    = 0
executing program
[pid  5827] write(1, "executing program\n", 18) = 18
[pid  5827] memfd_create("syzkaller", 0) = 3
[pid  5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[pid  5827] 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  5827] munmap(0x7fd0f4c00000, 138412032) = 0
[pid  5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5827] close(3)                    = 0
[pid  5827] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5827] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5827] exit_group(0)               = ?
[pid  5827] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5827, si_uid=0, si_status=0, si_utime=4 /* 0.04 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 5828 attached
, child_tidptr=0x555588792650) = 5828
[pid  5828] set_robust_list(0x555588792660, 24) = 0
[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) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5828] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=4 /* 0.04 s */, 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 5830 attached
, child_tidptr=0x555588792650) = 5830
[pid  5830] set_robust_list(0x555588792660, 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
[pid  5830] close(3)                    = 0
executing program
[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) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5830] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=3 /* 0.03 s */, si_stime=13 /* 0.13 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 5832 attached
, child_tidptr=0x555588792650) = 5832
[pid  5832] set_robust_list(0x555588792660, 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) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5832] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=3 /* 0.03 s */, 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 5834 attached
, child_tidptr=0x555588792650) = 5834
[pid  5834] set_robust_list(0x555588792660, 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
executing program
[pid  5834] write(1, "executing program\n", 18) = 18
[pid  5834] memfd_create("syzkaller", 0) = 3
[pid  5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5834] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=3 /* 0.03 s */, 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 5836 attached
, child_tidptr=0x555588792650) = 5836
[pid  5836] set_robust_list(0x555588792660, 24) = 0
[pid  5836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5836] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=3 /* 0.03 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 5837 attached
, child_tidptr=0x555588792650) = 5837
[pid  5837] set_robust_list(0x555588792660, 24) = 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", 18) = 18
executing program
[pid  5837] memfd_create("syzkaller", 0) = 3
[pid  5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5837] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=2 /* 0.02 s */, si_stime=13 /* 0.13 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
 <unfinished ...>
[pid  5840] set_robust_list(0x555588792660, 24 <unfinished ...>
[pid  5820] <... clone resumed>, child_tidptr=0x555588792650) = 5840
[pid  5840] <... set_robust_list resumed>) = 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) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5840] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=3 /* 0.03 s */, 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 5841 attached
, child_tidptr=0x555588792650) = 5841
[pid  5841] set_robust_list(0x555588792660, 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) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5841] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=1 /* 0.01 s */, si_stime=14 /* 0.14 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
 <unfinished ...>
[pid  5842] set_robust_list(0x555588792660, 24 <unfinished ...>
[pid  5820] <... clone resumed>, child_tidptr=0x555588792650) = 5842
[pid  5842] <... set_robust_list resumed>) = 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
[pid  5842] write(1, "executing program\n", 18executing program
) = 18
[pid  5842] memfd_create("syzkaller", 0) = 3
[pid  5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5842] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=3 /* 0.03 s */, si_stime=13 /* 0.13 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 5843 attached
, child_tidptr=0x555588792650) = 5843
[pid  5843] set_robust_list(0x555588792660, 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) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5843] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=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 5844 attached
, child_tidptr=0x555588792650) = 5844
[pid  5844] set_robust_list(0x555588792660, 24) = 0
[pid  5844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5844] setpgid(0, 0)               = 0
[pid  5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5844] write(3, "1000", 4)         = 4
[pid  5844] close(3)                    = 0
executing program
[pid  5844] write(1, "executing program\n", 18) = 18
[pid  5844] memfd_create("syzkaller", 0) = 3
[pid  5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[pid  5844] 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  5844] munmap(0x7fd0f4c00000, 138412032) = 0
[pid  5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5844] close(3)                    = 0
[pid  5844] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5844] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5844] exit_group(0)               = ?
[pid  5844] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, 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=0x555588792650) = 5845
./strace-static-x86_64: Process 5845 attached
[pid  5845] set_robust_list(0x555588792660, 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
executing program
[pid  5845] write(1, "executing program\n", 18) = 18
[pid  5845] memfd_create("syzkaller", 0) = 3
[pid  5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5845] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=1 /* 0.01 s */, si_stime=13 /* 0.13 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 5846 attached
, child_tidptr=0x555588792650) = 5846
[pid  5846] set_robust_list(0x555588792660, 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
[pid  5846] write(1, "executing program\n", 18executing program
) = 18
[pid  5846] memfd_create("syzkaller", 0) = 3
[pid  5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5846] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=0, si_stime=15 /* 0.15 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 5847 attached
, child_tidptr=0x555588792650) = 5847
[pid  5847] set_robust_list(0x555588792660, 24) = 0
[pid  5847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5847] setpgid(0, 0)               = 0
[pid  5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5847] write(3, "1000", 4)         = 4
[pid  5847] close(3)                    = 0
executing program
[pid  5847] write(1, "executing program\n", 18) = 18
[pid  5847] memfd_create("syzkaller", 0) = 3
[pid  5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[pid  5847] 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  5847] munmap(0x7fd0f4c00000, 138412032) = 0
[pid  5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5847] close(3)                    = 0
[pid  5847] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5847] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5847] exit_group(0)               = ?
[pid  5847] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, 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 5848 attached
, child_tidptr=0x555588792650) = 5848
[pid  5848] set_robust_list(0x555588792660, 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) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5848] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=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 5849 attached
, child_tidptr=0x555588792650) = 5849
[pid  5849] set_robust_list(0x555588792660, 24) = 0
[pid  5849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5849] setpgid(0, 0)               = 0
[pid  5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5849] write(3, "1000", 4)         = 4
[pid  5849] close(3)                    = 0
[pid  5849] write(1, "executing program\n", 18executing program
) = 18
[pid  5849] memfd_create("syzkaller", 0) = 3
[pid  5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[pid  5849] 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  5849] munmap(0x7fd0f4c00000, 138412032) = 0
[pid  5849] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5849] close(3)                    = 0
[pid  5849] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5849] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5849] exit_group(0)               = ?
[pid  5849] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, 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 5851 attached
, child_tidptr=0x555588792650) = 5851
[pid  5851] set_robust_list(0x555588792660, 24) = 0
[pid  5851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5851] setpgid(0, 0)               = 0
[pid  5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5851] write(3, "1000", 4)         = 4
[pid  5851] close(3)                    = 0
executing program
[pid  5851] write(1, "executing program\n", 18) = 18
[pid  5851] memfd_create("syzkaller", 0) = 3
[pid  5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[pid  5851] 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  5851] munmap(0x7fd0f4c00000, 138412032) = 0
[pid  5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5851] close(3)                    = 0
[pid  5851] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5851] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5851] exit_group(0)               = ?
[pid  5851] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, 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 5852 attached
, child_tidptr=0x555588792650) = 5852
[pid  5852] set_robust_list(0x555588792660, 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
executing program
[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) = 0x7fd0f4c00000
[pid  5852] 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  5852] munmap(0x7fd0f4c00000, 138412032) = 0
[pid  5852] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5852] close(3)                    = 0
[pid  5852] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5852] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=2 /* 0.02 s */, 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 5853 attached
, child_tidptr=0x555588792650) = 5853
[pid  5853] set_robust_list(0x555588792660, 24) = 0
[pid  5853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5853] setpgid(0, 0)               = 0
[pid  5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5853] write(3, "1000", 4)         = 4
[pid  5853] close(3)                    = 0
executing program
[pid  5853] write(1, "executing program\n", 18) = 18
[pid  5853] memfd_create("syzkaller", 0) = 3
[pid  5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[pid  5853] 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  5853] munmap(0x7fd0f4c00000, 138412032) = 0
[pid  5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5853] close(3)                    = 0
[pid  5853] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5853] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5853] exit_group(0)               = ?
[pid  5853] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5853, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, 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 5854 attached
, child_tidptr=0x555588792650) = 5854
[pid  5854] set_robust_list(0x555588792660, 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) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5854] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=0, si_stime=16 /* 0.16 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=0x555588792650) = 5855
[pid  5855] set_robust_list(0x555588792660, 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
executing program
[pid  5855] write(1, "executing program\n", 18) = 18
[pid  5855] memfd_create("syzkaller", 0) = 3
[pid  5855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5855] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=2 /* 0.02 s */, si_stime=13 /* 0.13 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=0x555588792650) = 5856
[pid  5856] set_robust_list(0x555588792660, 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) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5856] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=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 5857 attached
, child_tidptr=0x555588792650) = 5857
[pid  5857] set_robust_list(0x555588792660, 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(3executing program
)                    = 0
[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) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5857] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=13 /* 0.13 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=0x555588792650) = 5858
[pid  5858] set_robust_list(0x555588792660, 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) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5858] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=1 /* 0.01 s */, 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 5859 attached
, child_tidptr=0x555588792650) = 5859
[pid  5859] set_robust_list(0x555588792660, 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
[pid  5859] write(1, "executing program\n", 18executing program
) = 18
[pid  5859] memfd_create("syzkaller", 0) = 3
[pid  5859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5859] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=13 /* 0.13 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=0x555588792650) = 5860
[pid  5860] set_robust_list(0x555588792660, 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
executing program
[pid  5860] write(3, "1000", 4)         = 4
[pid  5860] close(3)                    = 0
[pid  5860] write(1, "executing program\n", 18) = 18
[pid  5860] memfd_create("syzkaller", 0) = 3
[pid  5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5860] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=4 /* 0.04 s */, 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 5861 attached
, child_tidptr=0x555588792650) = 5861
[pid  5861] set_robust_list(0x555588792660, 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) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5861] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=2 /* 0.02 s */, si_stime=14 /* 0.14 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=0x555588792650) = 5863
[pid  5863] set_robust_list(0x555588792660, 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) = 0x7fd0f4c00000
[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(0x7fd0f4c00000, 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_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5863] open("./file1", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[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=0, si_stime=13 /* 0.13 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
 <unfinished ...>
[pid  5864] set_robust_list(0x555588792660, 24 <unfinished ...>
[pid  5820] <... clone resumed>, child_tidptr=0x555588792650) = 5864
[pid  5864] <... set_robust_list resumed>) = 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
executing program
[pid  5864] write(1, "executing program\n", 18) = 18
[pid  5864] memfd_create("syzkaller", 0) = 3
[pid  5864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd0f4c00000