./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor64698810

<...>
[   92.233186][   T31] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.204' (ED25519) to the list of known hosts.
execve("./syz-executor64698810", ["./syz-executor64698810"], 0x7ffd89f4d6d0 /* 10 vars */) = 0
brk(NULL)                               = 0x55555871e000
brk(0x55555871ed00)                     = 0x55555871ed00
arch_prctl(ARCH_SET_FS, 0x55555871e380) = 0
set_tid_address(0x55555871e650)         = 5818
set_robust_list(0x55555871e660, 24)     = 0
rseq(0x55555871eca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor64698810", 4096) = 26
getrandom("\x28\x4c\xb8\x6e\xd1\x93\x3b\x1f", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55555871ed00
brk(0x55555873fd00)                     = 0x55555873fd00
brk(0x555558740000)                     = 0x555558740000
mprotect(0x7f4512018000, 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 5819 attached
 <unfinished ...>
[pid  5819] set_robust_list(0x55555871e660, 24) = 0
[pid  5819] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5818] <... clone resumed>, child_tidptr=0x55555871e650) = 5819
[pid  5819] <... prctl resumed>)        = 0
[pid  5819] setpgid(0, 0)               = 0
[pid  5819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5819] write(3, "1000", 4)         = 4
[pid  5819] close(3executing program
)                    = 0
[pid  5819] write(1, "executing program\n", 18) = 18
[pid  5819] memfd_create("syzkaller", 0) = 3
[pid  5819] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4509b5a000
[pid  5819] 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  5819] munmap(0x7f4509b5a000, 138412032) = 0
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5819] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5819] close(3)                    = 0
[pid  5819] close(4)                    = 0
[pid  5819] mkdir("./file1", 0777)      = 0
[   97.094250][ T5819] loop0: detected capacity change from 0 to 32768
[pid  5819] mount("/dev/loop0", "./file1", "ocfs2", MS_SYNCHRONOUS|MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_STRICTATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,preferred_slot=00000000000000000001,localflocks,"...) = 0
[pid  5819] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[   97.133249][ T5819] =======================================================
[   97.133249][ T5819] WARNING: The mand mount option has been deprecated and
[   97.133249][ T5819]          and is ignored by this kernel. Remove the mand
[   97.133249][ T5819]          option from the mount to silence this warning.
[   97.133249][ T5819] =======================================================
[pid  5819] chdir("./file1")            = 0
[pid  5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5819] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 4
[   97.213755][ T5819] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
[pid  5819] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 5
[pid  5819] exit_group(0)               = ?
[pid  5819] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5819, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} ---
[   97.258750][ T5819] 
[   97.258760][ T5819] ======================================================
[   97.258765][ T5819] WARNING: possible circular locking dependency detected
[   97.258779][ T5819] 6.16.0-syzkaller-06699-ge8d780dcd957 #0 Tainted: G        W          
[   97.258788][ T5819] ------------------------------------------------------
[   97.258793][ T5819] syz-executor646/5819 is trying to acquire lock:
[   97.258802][ T5819] ffff8880220c98d0 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xb6/0x320
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 5824 attached
, child_tidptr=0x55555871e650) = 5824
[   97.258850][ T5819] 
[   97.258850][ T5819] but task is already holding lock:
[   97.258855][ T5819] ffff8880220c9958 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320
[   97.258896][ T5819] 
[   97.258896][ T5819] which lock already depends on the new lock.
[   97.258896][ T5819] 
[   97.258901][ T5819] 
[   97.258901][ T5819] the existing dependency chain (in reverse order) is:
[   97.258906][ T5819] 
[   97.258906][ T5819] -> #4 (&oi->ip_xattr_sem){++++}-{4:4}:
[   97.258926][ T5819]        lock_acquire+0x120/0x360
[pid  5824] set_robust_list(0x55555871e660, 24) = 0
[pid  5824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5824] setpgid(0, 0)               = 0
[pid  5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5824] write(3, "1000", 4)         = 4
[pid  5824] close(3executing program
)                    = 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) = 0x7f4509b5a000
[   97.258945][ T5819]        down_write+0x3a/0x50
[   97.258965][ T5819]        ocfs2_xattr_set_handle+0x3b0/0x7a0
[   97.258980][ T5819]        ocfs2_init_security_set+0xbd/0xe0
[   97.258995][ T5819]        ocfs2_mknod+0x137f/0x2050
[   97.259014][ T5819]        ocfs2_create+0x1a5/0x440
[   97.259033][ T5819]        path_openat+0x1500/0x3840
[   97.259051][ T5819]        do_filp_open+0x1fa/0x410
[   97.259067][ T5819]        do_sys_openat2+0x121/0x1c0
[   97.259082][ T5819]        __x64_sys_openat+0x138/0x170
[   97.259097][ T5819]        do_syscall_64+0xfa/0x3b0
[   97.259116][ T5819]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.259130][ T5819] 
[   97.259130][ T5819] -> #3 (jbd2_handle){.+.+}-{0:0}:
[   97.259149][ T5819]        lock_acquire+0x120/0x360
[   97.259167][ T5819]        start_this_handle+0x1fa7/0x21c0
[   97.259186][ T5819]        jbd2__journal_start+0x2c1/0x5b0
[   97.259203][ T5819]        jbd2_journal_start+0x2a/0x40
[   97.259220][ T5819]        ocfs2_start_trans+0x377/0x6d0
[   97.259233][ T5819]        ocfs2_reserve_suballoc_bits+0x711/0x4640
[   97.259262][ T5819]        ocfs2_reserve_new_metadata_blocks+0x403/0x940
[   97.259284][ T5819]        ocfs2_mknod+0xe08/0x2050
[   97.259303][ T5819]        ocfs2_create+0x1a5/0x440
[   97.259321][ T5819]        path_openat+0x1500/0x3840
[   97.259337][ T5819]        do_filp_open+0x1fa/0x410
[   97.259354][ T5819]        do_sys_openat2+0x121/0x1c0
[   97.259368][ T5819]        __x64_sys_openat+0x138/0x170
[   97.259382][ T5819]        do_syscall_64+0xfa/0x3b0
[   97.259401][ T5819]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.259414][ T5819] 
[   97.259414][ T5819] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}:
[   97.259434][ T5819]        lock_acquire+0x120/0x360
[   97.259451][ T5819]        down_read+0x97/0x1f0
[   97.259469][ T5819]        ocfs2_start_trans+0x36b/0x6d0
[   97.259482][ T5819]        ocfs2_reserve_suballoc_bits+0x711/0x4640
[   97.259511][ T5819]        ocfs2_reserve_new_metadata_blocks+0x403/0x940
[   97.259538][ T5819]        ocfs2_mknod+0xe08/0x2050
[   97.259562][ T5819]        ocfs2_create+0x1a5/0x440
[   97.259586][ T5819]        path_openat+0x1500/0x3840
[   97.259607][ T5819]        do_filp_open+0x1fa/0x410
[   97.259628][ T5819]        do_sys_openat2+0x121/0x1c0
[   97.259644][ T5819]        __x64_sys_openat+0x138/0x170
[   97.259659][ T5819]        do_syscall_64+0xfa/0x3b0
[   97.259677][ T5819]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.259691][ T5819] 
[   97.259691][ T5819] -> #1 (sb_internal#2){.+.+}-{0:0}:
[   97.259714][ T5819]        lock_acquire+0x120/0x360
[   97.259732][ T5819]        ocfs2_start_trans+0x26b/0x6d0
[   97.259744][ T5819]        ocfs2_truncate_file+0x643/0x1420
[   97.259762][ T5819]        ocfs2_setattr+0x1520/0x1b40
[   97.259779][ T5819]        notify_change+0xb34/0xe60
[   97.259796][ T5819]        do_truncate+0x1a4/0x220
[   97.259815][ T5819]        path_openat+0x3078/0x3840
[   97.259832][ T5819]        do_filp_open+0x1fa/0x410
[   97.259848][ T5819]        do_sys_openat2+0x121/0x1c0
[   97.259862][ T5819]        __x64_sys_openat+0x138/0x170
[   97.259877][ T5819]        do_syscall_64+0xfa/0x3b0
[   97.259895][ T5819]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[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(0x7f4509b5a000, 138412032) = 0
[pid  5824] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[   97.259909][ T5819] 
[   97.259909][ T5819] -> #0 (&oi->ip_alloc_sem){+.+.}-{4:4}:
[   97.259928][ T5819]        validate_chain+0xb9b/0x2140
[   97.259949][ T5819]        __lock_acquire+0xab9/0xd20
[   97.259967][ T5819]        lock_acquire+0x120/0x360
[   97.259984][ T5819]        down_write+0x3a/0x50
[   97.260003][ T5819]        ocfs2_try_remove_refcount_tree+0xb6/0x320
[   97.260025][ T5819]        ocfs2_truncate_file+0xda0/0x1420
[   97.260042][ T5819]        ocfs2_setattr+0x1520/0x1b40
[   97.260059][ T5819]        notify_change+0xb34/0xe60
[   97.260076][ T5819]        do_truncate+0x1a4/0x220
[   97.260094][ T5819]        path_openat+0x3078/0x3840
[   97.260111][ T5819]        do_filp_open+0x1fa/0x410
[   97.260127][ T5819]        do_sys_openat2+0x121/0x1c0
[   97.260141][ T5819]        __x64_sys_openat+0x138/0x170
[   97.260156][ T5819]        do_syscall_64+0xfa/0x3b0
[   97.260175][ T5819]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.260188][ T5819] 
[   97.260188][ T5819] other info that might help us debug this:
[   97.260188][ T5819] 
[   97.260193][ T5819] Chain exists of:
[pid  5824] close(3)                    = 0
[pid  5824] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5824] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 4
[   97.260193][ T5819]   &oi->ip_alloc_sem --> jbd2_handle --> &oi->ip_xattr_sem
[   97.260193][ T5819] 
[   97.260216][ T5819]  Possible unsafe locking scenario:
[   97.260216][ T5819] 
[   97.260221][ T5819]        CPU0                    CPU1
[   97.260225][ T5819]        ----                    ----
[   97.260229][ T5819]   lock(&oi->ip_xattr_sem);
[   97.260239][ T5819]                                lock(jbd2_handle);
[   97.260249][ T5819]                                lock(&oi->ip_xattr_sem);
[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=2 /* 0.02 s */, si_stime=29 /* 0.29 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 5826 attached
[   97.260267][ T5819]   lock(&oi->ip_alloc_sem);
[   97.260276][ T5819] 
[   97.260276][ T5819]  *** DEADLOCK ***
[   97.260276][ T5819] 
[   97.260280][ T5819] 3 locks held by syz-executor646/5819:
[   97.260289][ T5819]  #0: ffff8880398ee488 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
[   97.260328][ T5819]  #1: ffff8880220c9c80 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: do_truncate+0x171/0x220
[   97.260372][ T5819]  #2: ffff8880220c9958 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320
[   97.260415][ T5819] 
 <unfinished ...>
[pid  5826] set_robust_list(0x55555871e660, 24 <unfinished ...>
[pid  5818] <... clone resumed>, child_tidptr=0x55555871e650) = 5826
[pid  5826] <... set_robust_list resumed>) = 0
[pid  5826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5826] setpgid(0, 0)               = 0
[pid  5826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5826] write(3, "1000", 4)         = 4
[pid  5826] close(3)                    = 0
executing program
[pid  5826] write(1, "executing program\n", 18) = 18
[   97.260415][ T5819] stack backtrace:
[   97.260426][ T5819] CPU: 0 UID: 0 PID: 5819 Comm: syz-executor646 Tainted: G        W           6.16.0-syzkaller-06699-ge8d780dcd957 #0 PREEMPT_{RT,(full)} 
[   97.260448][ T5819] Tainted: [W]=WARN
[   97.260453][ T5819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   97.260463][ T5819] Call Trace:
[   97.260468][ T5819]  <TASK>
[   97.260474][ T5819]  dump_stack_lvl+0x189/0x250
[   97.260496][ T5819]  ? __pfx_dump_stack_lvl+0x10/0x10
[   97.260515][ T5819]  ? __pfx__printk+0x10/0x10
[pid  5826] memfd_create("syzkaller", 0) = 3
[pid  5826] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4509b5a000
[   97.260530][ T5819]  ? print_lock_name+0xde/0x100
[   97.260554][ T5819]  print_circular_bug+0x2ee/0x310
[   97.260570][ T5819]  check_noncircular+0x134/0x160
[   97.260596][ T5819]  validate_chain+0xb9b/0x2140
[   97.260622][ T5819]  ? do_raw_spin_lock+0x121/0x290
[   97.260643][ T5819]  __lock_acquire+0xab9/0xd20
[   97.260665][ T5819]  ? ocfs2_try_remove_refcount_tree+0xb6/0x320
[   97.260688][ T5819]  lock_acquire+0x120/0x360
[   97.260707][ T5819]  ? ocfs2_try_remove_refcount_tree+0xb6/0x320
[   97.260732][ T5819]  ? rwbase_write_lock+0x56f/0x750
[   97.260756][ T5819]  down_write+0x3a/0x50
[   97.260776][ T5819]  ? ocfs2_try_remove_refcount_tree+0xb6/0x320
[   97.260800][ T5819]  ocfs2_try_remove_refcount_tree+0xb6/0x320
[   97.260825][ T5819]  ? __pfx_ocfs2_try_remove_refcount_tree+0x10/0x10
[   97.260849][ T5819]  ? ocfs2_truncate_file+0xcc6/0x1420
[   97.260870][ T5819]  ocfs2_truncate_file+0xda0/0x1420
[   97.260893][ T5819]  ? __pfx_ocfs2_truncate_file+0x10/0x10
[   97.260914][ T5819]  ? ocfs2_inode_lock_tracker+0x3ec/0x660
[   97.260939][ T5819]  ? __pfx_ocfs2_inode_lock_tracker+0x10/0x10
[   97.260961][ T5819]  ? ocfs2_rw_lock+0x13a/0x240
[   97.260981][ T5819]  ? __pfx___dquot_initialize+0x10/0x10
[   97.260996][ T5819]  ? __pfx_ocfs2_rw_lock+0x10/0x10
[   97.261015][ T5819]  ? setattr_prepare+0x1e7/0xac0
[   97.261035][ T5819]  ? jbd2_journal_begin_ordered_truncate+0xbb/0x150
[   97.261060][ T5819]  ocfs2_setattr+0x1520/0x1b40
[   97.261082][ T5819]  ? __pfx_ocfs2_setattr+0x10/0x10
[   97.261102][ T5819]  ? smk_tskacc+0x2fc/0x370
[   97.261124][ T5819]  ? smack_inode_setattr+0x17b/0x200
[   97.261146][ T5819]  ? __pfx_smack_inode_setattr+0x10/0x10
[   97.261170][ T5819]  ? current_time+0x222/0x370
[   97.261185][ T5819]  ? evm_inode_setattr+0x1b6/0x7d0
[   97.261201][ T5819]  ? __pfx_current_time+0x10/0x10
[   97.261218][ T5819]  ? try_break_deleg+0x7c/0x130
[   97.261236][ T5819]  ? __pfx_ocfs2_setattr+0x10/0x10
[   97.261261][ T5819]  notify_change+0xb34/0xe60
[   97.261287][ T5819]  do_truncate+0x1a4/0x220
[   97.261308][ T5819]  ? __pfx_do_truncate+0x10/0x10
[   97.261335][ T5819]  path_openat+0x3078/0x3840
[   97.261356][ T5819]  ? try_to_take_rt_mutex+0x840/0xb00
[   97.261381][ T5819]  ? __pfx_path_openat+0x10/0x10
[   97.261399][ T5819]  ? do_raw_spin_lock+0x121/0x290
[   97.261419][ T5819]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[   97.261438][ T5819]  ? lockdep_hardirqs_on+0x9c/0x150
[   97.261457][ T5819]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[   97.261479][ T5819]  do_filp_open+0x1fa/0x410
[   97.261498][ T5819]  ? __pfx_do_filp_open+0x10/0x10
[   97.261515][ T5819]  ? rt_mutex_slowunlock+0x493/0x8a0
[   97.261538][ T5819]  ? alloc_fd+0x64f/0x6c0
[pid  5826] 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  5826] munmap(0x7f4509b5a000, 138412032) = 0
[pid  5826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[   97.261563][ T5819]  do_sys_openat2+0x121/0x1c0
[   97.261580][ T5819]  ? __pfx_do_sys_openat2+0x10/0x10
[   97.261598][ T5819]  ? rcu_is_watching+0x15/0xb0
[   97.261622][ T5819]  __x64_sys_openat+0x138/0x170
[   97.261640][ T5819]  do_syscall_64+0xfa/0x3b0
[   97.261660][ T5819]  ? lockdep_hardirqs_on+0x9c/0x150
[   97.261678][ T5819]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.261692][ T5819]  ? clear_bhb_loop+0x60/0xb0
[   97.261709][ T5819]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.261723][ T5819] RIP: 0033:0x7f4511fa0b99
[   97.261743][ T5819] 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
[   97.261755][ T5819] RSP: 002b:00007fffce22d388 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[   97.261770][ T5819] RAX: ffffffffffffffda RBX: 0000200000000080 RCX: 00007f4511fa0b99
[   97.261781][ T5819] RDX: 0000000000080740 RSI: 0000200000000080 RDI: 00000000ffffff9c
[pid  5826] close(3)                    = 0
[pid  5826] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5826] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 4
[pid  5826] exit_group(0)               = ?
[pid  5826] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5826, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=26 /* 0.26 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
[   97.261792][ T5819] RBP: 00007f45120185f0 R08: 000055555871f4c0 R09: 000055555871f4c0
[   97.261802][ T5819] R10: 0000000000000cab R11: 0000000000000246 R12: 00007fffce22d3b0
[   97.261812][ T5819] R13: 00007fffce22d5d8 R14: 0000200000000084 R15: 00007f4511fe903b
[   97.261828][ T5819]  </TASK>
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=0x55555871e650) = 5827
[pid  5827] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5827] close(3)                    = 0
[pid  5827] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5827] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=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 5828 attached
, child_tidptr=0x55555871e650) = 5828
[pid  5828] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5828] close(3)                    = 0
[pid  5828] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5828] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=0, si_stime=18 /* 0.18 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=0x55555871e650) = 5830
[pid  5830] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5830] close(3)                    = 0
[pid  5830] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5830] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=14 /* 0.14 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 5831 attached
, child_tidptr=0x55555871e650) = 5831
[pid  5831] set_robust_list(0x55555871e660, 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
executing program
[pid  5831] write(1, "executing program\n", 18) = 18
[pid  5831] memfd_create("syzkaller", 0) = 3
[pid  5831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5831] close(3)                    = 0
[pid  5831] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5831] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 4
[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=2 /* 0.02 s */, si_stime=14 /* 0.14 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=0x55555871e650) = 5832
[pid  5832] set_robust_list(0x55555871e660, 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
executing program
[pid  5832] close(3)                    = 0
[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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] close(3)                    = 0
[pid  5832] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5832] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=2 /* 0.02 s */, 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 5833 attached
, child_tidptr=0x55555871e650) = 5833
[pid  5833] set_robust_list(0x55555871e660, 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(3)                    = 0
[pid  5833] write(1, "executing program\n", 18executing program
) = 18
[pid  5833] memfd_create("syzkaller", 0) = 3
[pid  5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5833] close(3)                    = 0
[pid  5833] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5833] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 4
[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=3 /* 0.03 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 5834 attached
, child_tidptr=0x55555871e650) = 5834
[pid  5834] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5834] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5834] close(3)                    = 0
[pid  5834] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5834] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=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 5835 attached
, child_tidptr=0x55555871e650) = 5835
[pid  5835] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5835] close(3)                    = 0
[pid  5835] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5835] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 4
[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=17 /* 0.17 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=0x55555871e650) = 5836
[pid  5836] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5836] close(3)                    = 0
[pid  5836] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5836] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=1 /* 0.01 s */, si_stime=17 /* 0.17 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=0x55555871e650) = 5837
[pid  5837] set_robust_list(0x55555871e660, 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
executing program
[pid  5837] write(1, "executing program\n", 18) = 18
[pid  5837] memfd_create("syzkaller", 0) = 3
[pid  5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5837] close(3)                    = 0
[pid  5837] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5837] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=3 /* 0.03 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 5838 attached
, child_tidptr=0x55555871e650) = 5838
[pid  5838] set_robust_list(0x55555871e660, 24) = 0
[pid  5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5838] setpgid(0, 0)               = 0
[pid  5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5838] write(3, "1000", 4)         = 4
[pid  5838] close(3)                    = 0
executing program
[pid  5838] write(1, "executing program\n", 18) = 18
[pid  5838] memfd_create("syzkaller", 0) = 3
[pid  5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4509b5a000
[pid  5838] 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  5838] munmap(0x7f4509b5a000, 138412032) = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5838] close(3)                    = 0
[pid  5838] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5838] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 4
[pid  5838] exit_group(0)               = ?
[pid  5838] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, 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 5840 attached
, child_tidptr=0x55555871e650) = 5840
[pid  5840] set_robust_list(0x55555871e660, 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
[pid  5840] write(1, "executing program\n", 18executing program
) = 18
[pid  5840] memfd_create("syzkaller", 0) = 3
[pid  5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5840] close(3)                    = 0
[pid  5840] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5840] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=4 /* 0.04 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 5841 attached
, child_tidptr=0x55555871e650) = 5841
[pid  5841] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5841] close(3)                    = 0
[pid  5841] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5841] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=2 /* 0.02 s */, 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 5842 attached
, child_tidptr=0x55555871e650) = 5842
[pid  5842] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5842] close(3)                    = 0
[pid  5842] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5842] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=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 5843 attached
, child_tidptr=0x55555871e650) = 5843
[pid  5843] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5843] close(3)                    = 0
[pid  5843] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5843] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=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 5844 attached
, child_tidptr=0x55555871e650) = 5844
[pid  5844] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5844] close(3)                    = 0
[pid  5844] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5844] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=1 /* 0.01 s */, si_stime=17 /* 0.17 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 5845 attached
, child_tidptr=0x55555871e650) = 5845
[pid  5845] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5845] close(3)                    = 0
[pid  5845] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5845] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=2 /* 0.02 s */, si_stime=14 /* 0.14 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=0x55555871e650) = 5846
[pid  5846] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5846] close(3)                    = 0
[pid  5846] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5846] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=2 /* 0.02 s */, si_stime=15 /* 0.15 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 5847 attached
, child_tidptr=0x55555871e650) = 5847
[pid  5847] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5847] close(3)                    = 0
[pid  5847] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5847] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=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 5848 attached
, child_tidptr=0x55555871e650) = 5848
[pid  5848] set_robust_list(0x55555871e660, 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
[pid  5848] write(1, "executing program\n", 18executing program
) = 18
[pid  5848] memfd_create("syzkaller", 0) = 3
[pid  5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5848] close(3)                    = 0
[pid  5848] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5848] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=1 /* 0.01 s */, 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 5849 attached
, child_tidptr=0x55555871e650) = 5849
[pid  5849] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5849] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5849] close(3)                    = 0
[pid  5849] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5849] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=1 /* 0.01 s */, 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 5851 attached
, child_tidptr=0x55555871e650) = 5851
[pid  5851] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5851] close(3)                    = 0
[pid  5851] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5851] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=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 5852 attached
, child_tidptr=0x55555871e650) = 5852
[pid  5852] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5852] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5852] close(3)                    = 0
[pid  5852] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5852] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=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 5853 attached
, child_tidptr=0x55555871e650) = 5853
[pid  5853] set_robust_list(0x55555871e660, 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
[pid  5853] write(1, "executing program\n", 18executing program
) = 18
[pid  5853] memfd_create("syzkaller", 0) = 3
[pid  5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5853] close(3)                    = 0
[pid  5853] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5853] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=1 /* 0.01 s */, 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 5854 attached
, child_tidptr=0x55555871e650) = 5854
[pid  5854] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5854] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5854] close(3)                    = 0
[pid  5854] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5854] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=1 /* 0.01 s */, 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=0x55555871e650) = 5855
[pid  5855] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5855] close(3)                    = 0
[pid  5855] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5855] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=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 5856 attached
, child_tidptr=0x55555871e650) = 5856
[pid  5856] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000
[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(0x7f4509b5a000, 138412032) = 0
[pid  5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5856] close(3)                    = 0
[pid  5856] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 3
[pid  5856] openat(AT_FDCWD, ".log", O_RDONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|O_CLOEXEC, 06253) = 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=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 5857 attached
, child_tidptr=0x55555871e650) = 5857
[pid  5857] set_robust_list(0x55555871e660, 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) = 0x7f4509b5a000