./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1472846265
<...>
Warning: Permanently added '10.128.0.5' (ED25519) to the list of known hosts.
execve("./syz-executor1472846265", ["./syz-executor1472846265"], 0x7fffe9c12140 /* 10 vars */) = 0
brk(NULL) = 0x5555842bc000
brk(0x5555842bcd00) = 0x5555842bcd00
arch_prctl(ARCH_SET_FS, 0x5555842bc380) = 0
set_tid_address(0x5555842bc650) = 5841
set_robust_list(0x5555842bc660, 24) = 0
rseq(0x5555842bcca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1472846265", 4096) = 28
getrandom("\x1e\xd3\xfa\x67\x2f\xe7\x21\x42", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555842bcd00
brk(0x5555842ddd00) = 0x5555842ddd00
brk(0x5555842de000) = 0x5555842de000
mprotect(0x7f6751760000, 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 5843 attached
, child_tidptr=0x5555842bc650) = 5843
[pid 5843] set_robust_list(0x5555842bc660, 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) = 0x7f6749200000
[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(0x7f6749200000, 138412032) = 0
[pid 5843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5843] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5843] close(3) = 0
[pid 5843] close(4) = 0
[pid 5843] mkdir("./file1", 0777) = 0
syzkaller login: [ 93.833392][ T5843] loop0: detected capacity change from 0 to 32768
[ 93.886108][ T5843] =======================================================
[ 93.886108][ T5843] WARNING: The mand mount option has been deprecated and
[ 93.886108][ T5843] and is ignored by this kernel. Remove the mand
[ 93.886108][ T5843] option from the mount to silence this warning.
[ 93.886108][ T5843] =======================================================
[pid 5843] mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,coherency=full,localflocks,errors=remount-ro,acl"...) = 0
[pid 5843] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid 5843] chdir("./file1") = 0
[ 93.936406][ T5843] ocfs2: Slot 0 on device (7,0) was already allocated to this node!
[ 93.951781][ T5843] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
[pid 5843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5843] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = 4
[ 94.016499][ T5843]
[ 94.018867][ T5843] ======================================================
[ 94.026162][ T5843] WARNING: possible circular locking dependency detected
[ 94.033203][ T5843] 6.16.0-rc6-syzkaller-00279-gbf61759db409 #0 Not tainted
[ 94.040327][ T5843] ------------------------------------------------------
[ 94.047533][ T5843] syz-executor147/5843 is trying to acquire lock:
[ 94.053969][ T5843] ffff888073dcdbe0 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xb6/0x320
[ 94.064647][ T5843]
[ 94.064647][ T5843] but task is already holding lock:
[ 94.072035][ T5843] ffff888073dcdc78 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320
[ 94.082710][ T5843]
[ 94.082710][ T5843] which lock already depends on the new lock.
[ 94.082710][ T5843]
[ 94.093130][ T5843]
[ 94.093130][ T5843] the existing dependency chain (in reverse order) is:
[ 94.102173][ T5843]
[ 94.102173][ T5843] -> #4 (&oi->ip_xattr_sem){++++}-{4:4}:
[ 94.110024][ T5843] lock_acquire+0x120/0x360
[ 94.115245][ T5843] down_read+0x46/0x2e0
[ 94.120003][ T5843] ocfs2_init_acl+0x2f9/0x720
[ 94.125527][ T5843] ocfs2_mknod+0x1321/0x2050
[ 94.130670][ T5843] ocfs2_create+0x1a5/0x440
[ 94.135720][ T5843] path_openat+0x14f1/0x3830
[ 94.141553][ T5843] do_filp_open+0x1fa/0x410
[ 94.146598][ T5843] do_sys_openat2+0x121/0x1c0
[ 94.151903][ T5843] __x64_sys_openat+0x138/0x170
[ 94.157312][ T5843] do_syscall_64+0xfa/0x3b0
[ 94.162482][ T5843] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.168921][ T5843]
[ 94.168921][ T5843] -> #3 (jbd2_handle){.+.+}-{0:0}:
[ 94.176275][ T5843] lock_acquire+0x120/0x360
[ 94.181315][ T5843] start_this_handle+0x1fa7/0x21c0
[ 94.187059][ T5843] jbd2__journal_start+0x2c1/0x5b0
[ 94.192710][ T5843] jbd2_journal_start+0x2a/0x40
[ 94.198104][ T5843] ocfs2_start_trans+0x376/0x6d0
[ 94.203606][ T5843] ocfs2_reserve_suballoc_bits+0x711/0x4640
[ 94.210126][ T5843] ocfs2_reserve_new_metadata_blocks+0x403/0x940
[ 94.216997][ T5843] ocfs2_mknod+0xe08/0x2050
[ 94.222135][ T5843] ocfs2_create+0x1a5/0x440
[ 94.227465][ T5843] path_openat+0x14f1/0x3830
[ 94.232614][ T5843] do_filp_open+0x1fa/0x410
[ 94.237770][ T5843] do_sys_openat2+0x121/0x1c0
[ 94.243280][ T5843] __x64_sys_openat+0x138/0x170
[ 94.248761][ T5843] do_syscall_64+0xfa/0x3b0
[ 94.253869][ T5843] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.260309][ T5843]
[ 94.260309][ T5843] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}:
[ 94.268857][ T5843] lock_acquire+0x120/0x360
[ 94.273899][ T5843] down_read+0x46/0x2e0
[ 94.278601][ T5843] ocfs2_start_trans+0x36a/0x6d0
[ 94.284078][ T5843] ocfs2_reserve_suballoc_bits+0x711/0x4640
[ 94.290722][ T5843] ocfs2_reserve_new_metadata_blocks+0x403/0x940
[ 94.297589][ T5843] ocfs2_mknod+0xe08/0x2050
[ 94.302634][ T5843] ocfs2_create+0x1a5/0x440
[ 94.307677][ T5843] path_openat+0x14f1/0x3830
[ 94.312821][ T5843] do_filp_open+0x1fa/0x410
[ 94.317976][ T5843] do_sys_openat2+0x121/0x1c0
[ 94.323194][ T5843] __x64_sys_openat+0x138/0x170
[ 94.328585][ T5843] do_syscall_64+0xfa/0x3b0
[ 94.333621][ T5843] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.340051][ T5843]
[ 94.340051][ T5843] -> #1 (sb_internal#2){.+.+}-{0:0}:
[ 94.347580][ T5843] lock_acquire+0x120/0x360
[ 94.352636][ T5843] ocfs2_start_trans+0x26b/0x6d0
[ 94.358134][ T5843] ocfs2_truncate_file+0x643/0x1420
[ 94.363983][ T5843] ocfs2_setattr+0x1520/0x1b40
[ 94.369369][ T5843] notify_change+0xb33/0xe40
[ 94.374514][ T5843] do_truncate+0x1a4/0x220
[ 94.379464][ T5843] path_openat+0x306c/0x3830
[ 94.384608][ T5843] do_filp_open+0x1fa/0x410
[ 94.389663][ T5843] do_sys_openat2+0x121/0x1c0
[ 94.394886][ T5843] __x64_sys_openat+0x138/0x170
[ 94.400277][ T5843] do_syscall_64+0xfa/0x3b0
[ 94.405356][ T5843] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.411893][ T5843]
[ 94.411893][ T5843] -> #0 (&oi->ip_alloc_sem){+.+.}-{4:4}:
[ 94.419747][ T5843] validate_chain+0xb9b/0x2140
[ 94.425057][ T5843] __lock_acquire+0xab9/0xd20
[ 94.430358][ T5843] lock_acquire+0x120/0x360
[ 94.435399][ T5843] down_write+0x96/0x1f0
[ 94.440303][ T5843] ocfs2_try_remove_refcount_tree+0xb6/0x320
[ 94.446858][ T5843] ocfs2_truncate_file+0xda0/0x1420
[ 94.452788][ T5843] ocfs2_setattr+0x1520/0x1b40
[ 94.458101][ T5843] notify_change+0xb33/0xe40
[ 94.463418][ T5843] do_truncate+0x1a4/0x220
[ 94.468403][ T5843] path_openat+0x306c/0x3830
[ 94.473642][ T5843] do_filp_open+0x1fa/0x410
[ 94.478955][ T5843] do_sys_openat2+0x121/0x1c0
[ 94.484166][ T5843] __x64_sys_openat+0x138/0x170
[ 94.489562][ T5843] do_syscall_64+0xfa/0x3b0
[ 94.494597][ T5843] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.501024][ T5843]
[ 94.501024][ T5843] other info that might help us debug this:
[ 94.501024][ T5843]
[ 94.511261][ T5843] Chain exists of:
[ 94.511261][ T5843] &oi->ip_alloc_sem --> jbd2_handle --> &oi->ip_xattr_sem
[ 94.511261][ T5843]
[ 94.524324][ T5843] Possible unsafe locking scenario:
[ 94.524324][ T5843]
[ 94.531803][ T5843] CPU0 CPU1
[ 94.537194][ T5843] ---- ----
[ 94.542613][ T5843] lock(&oi->ip_xattr_sem);
[ 94.547229][ T5843] lock(jbd2_handle);
[ 94.553838][ T5843] lock(&oi->ip_xattr_sem);
[ 94.560975][ T5843] lock(&oi->ip_alloc_sem);
[ 94.565686][ T5843]
[ 94.565686][ T5843] *** DEADLOCK ***
[ 94.565686][ T5843]
[ 94.573925][ T5843] 3 locks held by syz-executor147/5843:
[ 94.579496][ T5843] #0: ffff88807c9a8428 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
[ 94.588687][ T5843] #1: ffff888073dcdf40 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: do_truncate+0x171/0x220
[ 94.599532][ T5843] #2: ffff888073dcdc78 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320
[ 94.610828][ T5843]
[ 94.610828][ T5843] stack backtrace:
[ 94.616751][ T5843] CPU: 0 UID: 0 PID: 5843 Comm: syz-executor147 Not tainted 6.16.0-rc6-syzkaller-00279-gbf61759db409 #0 PREEMPT(full)
[ 94.616773][ T5843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 94.616790][ T5843] Call Trace:
[ 94.616802][ T5843]
[ 94.616811][ T5843] dump_stack_lvl+0x189/0x250
[ 94.616833][ T5843] ? __pfx_dump_stack_lvl+0x10/0x10
[ 94.616851][ T5843] ? __pfx__printk+0x10/0x10
[ 94.616873][ T5843] ? print_lock_name+0xde/0x100
[ 94.616895][ T5843] print_circular_bug+0x2ee/0x310
[ 94.616917][ T5843] check_noncircular+0x134/0x160
[ 94.616939][ T5843] validate_chain+0xb9b/0x2140
[ 94.616967][ T5843] __lock_acquire+0xab9/0xd20
[ 94.616985][ T5843] ? ocfs2_try_remove_refcount_tree+0xb6/0x320
[ 94.617006][ T5843] lock_acquire+0x120/0x360
[ 94.617020][ T5843] ? ocfs2_try_remove_refcount_tree+0xb6/0x320
[ 94.617048][ T5843] down_write+0x96/0x1f0
[ 94.617068][ T5843] ? ocfs2_try_remove_refcount_tree+0xb6/0x320
[ 94.617090][ T5843] ? __pfx_down_write+0x10/0x10
[ 94.617114][ T5843] ocfs2_try_remove_refcount_tree+0xb6/0x320
[ 94.617137][ T5843] ? __pfx_ocfs2_try_remove_refcount_tree+0x10/0x10
[ 94.617161][ T5843] ? up_write+0x1c4/0x420
[ 94.617184][ T5843] ocfs2_truncate_file+0xda0/0x1420
[ 94.617205][ T5843] ? __pfx_ocfs2_truncate_file+0x10/0x10
[ 94.617221][ T5843] ? do_raw_spin_unlock+0x122/0x240
[ 94.617244][ T5843] ? _raw_spin_unlock+0x28/0x50
[ 94.617269][ T5843] ? ocfs2_inode_lock_tracker+0x3ec/0x660
[ 94.617293][ T5843] ? __pfx_ocfs2_inode_lock_tracker+0x10/0x10
[ 94.617313][ T5843] ? ocfs2_rw_lock+0x13a/0x240
[ 94.617329][ T5843] ? __pfx___dquot_initialize+0x10/0x10
[ 94.617349][ T5843] ? __pfx_ocfs2_rw_lock+0x10/0x10
[ 94.617365][ T5843] ? setattr_prepare+0x1e7/0xac0
[ 94.617391][ T5843] ? jbd2_journal_begin_ordered_truncate+0xbb/0x150
[ 94.617421][ T5843] ocfs2_setattr+0x1520/0x1b40
[ 94.617448][ T5843] ? __pfx_ocfs2_setattr+0x10/0x10
[ 94.617466][ T5843] ? smk_tskacc+0x2fc/0x370
[ 94.617491][ T5843] ? smack_inode_setattr+0x17b/0x200
[ 94.617516][ T5843] ? __pfx_smack_inode_setattr+0x10/0x10
[ 94.617544][ T5843] ? current_time+0x222/0x370
[ 94.617565][ T5843] ? evm_inode_setattr+0x1b6/0x7d0
[ 94.617584][ T5843] ? __pfx_current_time+0x10/0x10
[ 94.617607][ T5843] ? try_break_deleg+0x79/0x130
[ 94.617631][ T5843] ? __pfx_ocfs2_setattr+0x10/0x10
[ 94.617647][ T5843] notify_change+0xb33/0xe40
[ 94.617677][ T5843] do_truncate+0x1a4/0x220
[ 94.617693][ T5843] ? __pfx_do_truncate+0x10/0x10
[ 94.617716][ T5843] path_openat+0x306c/0x3830
[ 94.617740][ T5843] ? arch_stack_walk+0xfc/0x150
[ 94.617771][ T5843] ? __pfx_path_openat+0x10/0x10
[ 94.617794][ T5843] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.617819][ T5843] do_filp_open+0x1fa/0x410
[ 94.617842][ T5843] ? __lock_acquire+0xab9/0xd20
[ 94.617857][ T5843] ? __pfx_do_filp_open+0x10/0x10
[ 94.617889][ T5843] ? _raw_spin_unlock+0x28/0x50
[ 94.617913][ T5843] ? alloc_fd+0x64c/0x6c0
[ 94.617934][ T5843] do_sys_openat2+0x121/0x1c0
[ 94.617957][ T5843] ? __pfx_do_sys_openat2+0x10/0x10
[ 94.617981][ T5843] ? rcu_is_watching+0x15/0xb0
[ 94.618000][ T5843] __x64_sys_openat+0x138/0x170
[ 94.618024][ T5843] do_syscall_64+0xfa/0x3b0
[ 94.618043][ T5843] ? lockdep_hardirqs_on+0x9c/0x150
[ 94.618059][ T5843] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.618075][ T5843] ? clear_bhb_loop+0x60/0xb0
[ 94.618094][ T5843] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.618111][ T5843] RIP: 0033:0x7f67516e8b59
[ 94.618132][ T5843] 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
[ 94.618147][ T5843] RSP: 002b:00007ffe02982c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 94.618164][ T5843] RAX: ffffffffffffffda RBX: 0000200000000080 RCX: 00007f67516e8b59
[ 94.618177][ T5843] RDX: 0000000000000741 RSI: 0000200000000080 RDI: 00000000ffffff9c
[ 94.618189][ T5843] RBP: 0031656c69662f2e R08: 00005555842bd4c0 R09: 00005555842bd4c0
[ 94.618201][ T5843] R10: 000000000000014a R11: 0000000000000246 R12: 00007ffe02982c50
[pid 5843] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = 5
[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=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
[ 94.618211][ T5843] R13: 00007ffe02982e78 R14: 431bde82d7b634db R15: 00007f675173103b
[ 94.618230][ T5843]
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=0x5555842bc650) = 5846
[pid 5846] set_robust_list(0x5555842bc660, 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(3executing program
) = 0
[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) = 0x7f6749200000
[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(0x7f6749200000, 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, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5846] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5846] exit_group(0) = ?
[pid 5846] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=0, 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 5848 attached
, child_tidptr=0x5555842bc650) = 5848
[pid 5848] set_robust_list(0x5555842bc660, 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) = 0x7f6749200000
[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(0x7f6749200000, 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, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5848] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5848] exit_group(0) = ?
[pid 5848] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=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 5849 attached
[pid 5849] set_robust_list(0x5555842bc660, 24) = 0
[pid 5841] <... clone resumed>, child_tidptr=0x5555842bc650) = 5849
[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
executing program
[pid 5849] write(1, "executing program\n", 18) = 18
[pid 5849] memfd_create("syzkaller", 0) = 3
[pid 5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[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(0x7f6749200000, 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, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5849] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[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=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 5851 attached
, child_tidptr=0x5555842bc650) = 5851
[pid 5851] set_robust_list(0x5555842bc660, 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
[pid 5851] write(1, "executing program\n", 18executing program
) = 18
[pid 5851] memfd_create("syzkaller", 0) = 3
[pid 5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[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(0x7f6749200000, 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, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5851] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[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=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 5852 attached
, child_tidptr=0x5555842bc650) = 5852
[pid 5852] set_robust_list(0x5555842bc660, 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) = 0x7f6749200000
[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(0x7f6749200000, 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, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5852] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[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=13 /* 0.13 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 5856 attached
, child_tidptr=0x5555842bc650) = 5856
[pid 5856] set_robust_list(0x5555842bc660, 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
[pid 5856] write(1, "executing program\n", 18executing program
) = 18
[pid 5856] memfd_create("syzkaller", 0) = 3
[pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[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(0x7f6749200000, 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, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5856] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5856] exit_group(0) = ?
[pid 5856] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=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 5857 attached
[pid 5857] set_robust_list(0x5555842bc660, 24
[pid 5841] <... clone resumed>, child_tidptr=0x5555842bc650) = 5857
[pid 5857] <... set_robust_list resumed>) = 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) = 0x7f6749200000
[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(0x7f6749200000, 138412032) = 0
[pid 5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5857] close(3) = 0
[pid 5857] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5857] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5857] exit_group(0) = ?
[pid 5857] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=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 5858 attached
, child_tidptr=0x5555842bc650) = 5858
[pid 5858] set_robust_list(0x5555842bc660, 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
[pid 5858] write(1, "executing program\n", 18executing program
) = 18
[pid 5858] memfd_create("syzkaller", 0) = 3
[pid 5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[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(0x7f6749200000, 138412032) = 0
[pid 5858] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5858] close(3) = 0
[pid 5858] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5858] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5858] exit_group(0) = ?
[pid 5858] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5858, si_uid=0, si_status=0, si_utime=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 5861 attached
, child_tidptr=0x5555842bc650) = 5861
[pid 5861] set_robust_list(0x5555842bc660, 24) = 0
[pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[ 97.319954][ T1207] cfg80211: failed to load regulatory.db
[pid 5861] setpgid(0, 0) = 0
[pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5861] write(3, "1000", 4) = 4
[pid 5861] close(3) = 0
executing program
[pid 5861] write(1, "executing program\n", 18) = 18
[pid 5861] memfd_create("syzkaller", 0) = 3
[pid 5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[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(0x7f6749200000, 138412032) = 0
[pid 5861] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5861] close(3) = 0
[pid 5861] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5861] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5861] exit_group(0) = ?
[pid 5861] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=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 5862 attached
, child_tidptr=0x5555842bc650) = 5862
[pid 5862] set_robust_list(0x5555842bc660, 24) = 0
[pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5862] setpgid(0, 0) = 0
[pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5862] write(3, "1000", 4) = 4
[pid 5862] close(3) = 0
executing program
[pid 5862] write(1, "executing program\n", 18) = 18
[pid 5862] memfd_create("syzkaller", 0) = 3
[pid 5862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5862] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid 5862] munmap(0x7f6749200000, 138412032) = 0
[pid 5862] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5862] close(3) = 0
[pid 5862] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5862] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5862] exit_group(0) = ?
[pid 5862] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=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 5863 attached
, child_tidptr=0x5555842bc650) = 5863
[pid 5863] set_robust_list(0x5555842bc660, 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) = 0x7f6749200000
[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(0x7f6749200000, 138412032) = 0
[pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5863] close(3) = 0
[pid 5863] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5863] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5863] exit_group(0) = ?
[pid 5863] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=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 5864 attached
[pid 5864] set_robust_list(0x5555842bc660, 24
[pid 5841] <... clone resumed>, child_tidptr=0x5555842bc650) = 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
[pid 5864] write(1, "executing program\n", 18executing program
) = 18
[pid 5864] memfd_create("syzkaller", 0) = 3
[pid 5864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5864] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid 5864] munmap(0x7f6749200000, 138412032) = 0
[pid 5864] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5864] close(3) = 0
[pid 5864] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5864] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5864] exit_group(0) = ?
[pid 5864] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=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 5865 attached
, child_tidptr=0x5555842bc650) = 5865
[pid 5865] set_robust_list(0x5555842bc660, 24) = 0
[pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5865] setpgid(0, 0) = 0
[pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5865] write(3, "1000", 4) = 4
[pid 5865] close(3) = 0
executing program
[pid 5865] write(1, "executing program\n", 18) = 18
[pid 5865] memfd_create("syzkaller", 0) = 3
[pid 5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5865] 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 5865] munmap(0x7f6749200000, 138412032) = 0
[pid 5865] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5865] close(3) = 0
[pid 5865] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5865] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5865] exit_group(0) = ?
[pid 5865] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=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 5866 attached
, child_tidptr=0x5555842bc650) = 5866
[pid 5866] set_robust_list(0x5555842bc660, 24) = 0
[pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5866] setpgid(0, 0) = 0
[pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5866] write(3, "1000", 4) = 4
[pid 5866] close(3) = 0
executing program
[pid 5866] write(1, "executing program\n", 18) = 18
[pid 5866] memfd_create("syzkaller", 0) = 3
[pid 5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5866] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid 5866] munmap(0x7f6749200000, 138412032) = 0
[pid 5866] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5866] close(3) = 0
[pid 5866] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5866] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5866] exit_group(0) = ?
[pid 5866] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 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 5867 attached
, child_tidptr=0x5555842bc650) = 5867
[pid 5867] set_robust_list(0x5555842bc660, 24) = 0
[pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5867] setpgid(0, 0) = 0
[pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5867] write(3, "1000", 4) = 4
[pid 5867] close(3) = 0
[pid 5867] write(1, "executing program\n", 18executing program
) = 18
[pid 5867] memfd_create("syzkaller", 0) = 3
[pid 5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5867] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid 5867] munmap(0x7f6749200000, 138412032) = 0
[pid 5867] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5867] close(3) = 0
[pid 5867] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5867] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5867] exit_group(0) = ?
[pid 5867] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=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 5868 attached
, child_tidptr=0x5555842bc650) = 5868
[pid 5868] set_robust_list(0x5555842bc660, 24) = 0
[pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5868] setpgid(0, 0) = 0
[pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5868] write(3, "1000", 4) = 4
[pid 5868] close(3) = 0
[pid 5868] write(1, "executing program\n", 18executing program
) = 18
[pid 5868] memfd_create("syzkaller", 0) = 3
[pid 5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5868] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid 5868] munmap(0x7f6749200000, 138412032) = 0
[pid 5868] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5868] close(3) = 0
[pid 5868] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5868] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5868] exit_group(0) = ?
[pid 5868] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=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 5869 attached
, child_tidptr=0x5555842bc650) = 5869
[pid 5869] set_robust_list(0x5555842bc660, 24) = 0
[pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5869] setpgid(0, 0) = 0
[pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5869] write(3, "1000", 4) = 4
[pid 5869] close(3) = 0
[pid 5869] write(1, "executing program\n", 18executing program
) = 18
[pid 5869] memfd_create("syzkaller", 0) = 3
[pid 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5869] 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 5869] munmap(0x7f6749200000, 138412032) = 0
[pid 5869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5869] close(3) = 0
[pid 5869] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5869] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5869] exit_group(0) = ?
[pid 5869] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, 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, child_tidptr=0x5555842bc650) = 5870
./strace-static-x86_64: Process 5870 attached
[pid 5870] set_robust_list(0x5555842bc660, 24) = 0
[pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5870] setpgid(0, 0) = 0
[pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5870] write(3, "1000", 4) = 4
[pid 5870] close(3) = 0
[pid 5870] write(1, "executing program\n", 18executing program
) = 18
[pid 5870] memfd_create("syzkaller", 0) = 3
[pid 5870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5870] 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 5870] munmap(0x7f6749200000, 138412032) = 0
[pid 5870] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5870] close(3) = 0
[pid 5870] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5870] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5870] exit_group(0) = ?
[pid 5870] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=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 5872 attached
, child_tidptr=0x5555842bc650) = 5872
[pid 5872] set_robust_list(0x5555842bc660, 24) = 0
[pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5872] setpgid(0, 0) = 0
[pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5872] write(3, "1000", 4) = 4
[pid 5872] close(3) = 0
[pid 5872] write(1, "executing program\n", 18executing program
) = 18
[pid 5872] memfd_create("syzkaller", 0) = 3
[pid 5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5872] 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 5872] munmap(0x7f6749200000, 138412032) = 0
[pid 5872] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5872] close(3) = 0
[pid 5872] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5872] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5872] exit_group(0) = ?
[pid 5872] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, 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, child_tidptr=0x5555842bc650) = 5873
./strace-static-x86_64: Process 5873 attached
[pid 5873] set_robust_list(0x5555842bc660, 24) = 0
[pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5873] setpgid(0, 0) = 0
[pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5873] write(3, "1000", 4) = 4
[pid 5873] close(3) = 0
executing program
[pid 5873] write(1, "executing program\n", 18) = 18
[pid 5873] memfd_create("syzkaller", 0) = 3
[pid 5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5873] 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 5873] munmap(0x7f6749200000, 138412032) = 0
[pid 5873] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5873] close(3) = 0
[pid 5873] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5873] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5873] exit_group(0) = ?
[pid 5873] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=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 5874 attached
, child_tidptr=0x5555842bc650) = 5874
[pid 5874] set_robust_list(0x5555842bc660, 24) = 0
[pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5874] setpgid(0, 0) = 0
[pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5874] write(3, "1000", 4) = 4
[pid 5874] close(3) = 0
[pid 5874] write(1, "executing program\n", 18executing program
) = 18
[pid 5874] memfd_create("syzkaller", 0) = 3
[pid 5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5874] 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 5874] munmap(0x7f6749200000, 138412032) = 0
[pid 5874] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5874] close(3) = 0
[pid 5874] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5874] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5874] exit_group(0) = ?
[pid 5874] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, 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 5875 attached
, child_tidptr=0x5555842bc650) = 5875
[pid 5875] set_robust_list(0x5555842bc660, 24) = 0
[pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5875] setpgid(0, 0) = 0
[pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5875] write(3, "1000", 4) = 4
[pid 5875] close(3) = 0
[pid 5875] write(1, "executing program\n", 18executing program
) = 18
[pid 5875] memfd_create("syzkaller", 0) = 3
[pid 5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5875] 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 5875] munmap(0x7f6749200000, 138412032) = 0
[pid 5875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5875] close(3) = 0
[pid 5875] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5875] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5875] exit_group(0) = ?
[pid 5875] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, 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 5876 attached
, child_tidptr=0x5555842bc650) = 5876
[pid 5876] set_robust_list(0x5555842bc660, 24) = 0
[pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5876] setpgid(0, 0) = 0
[pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5876] write(3, "1000", 4executing program
) = 4
[pid 5876] close(3) = 0
[pid 5876] write(1, "executing program\n", 18) = 18
[pid 5876] memfd_create("syzkaller", 0) = 3
[pid 5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5876] 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 5876] munmap(0x7f6749200000, 138412032) = 0
[pid 5876] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5876] close(3) = 0
[pid 5876] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5876] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5876] exit_group(0) = ?
[pid 5876] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, 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 5877 attached
[pid 5877] set_robust_list(0x5555842bc660, 24
[pid 5841] <... clone resumed>, child_tidptr=0x5555842bc650) = 5877
[pid 5877] <... set_robust_list resumed>) = 0
[pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5877] setpgid(0, 0) = 0
[pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5877] write(3, "1000", 4) = 4
[pid 5877] close(3) = 0
[pid 5877] write(1, "executing program\n", 18executing program
) = 18
[pid 5877] memfd_create("syzkaller", 0) = 3
[pid 5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5877] 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 5877] munmap(0x7f6749200000, 138412032) = 0
[pid 5877] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5877] close(3) = 0
[pid 5877] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5877] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5877] exit_group(0) = ?
[pid 5877] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=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 5878 attached
, child_tidptr=0x5555842bc650) = 5878
[pid 5878] set_robust_list(0x5555842bc660, 24) = 0
[pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5878] setpgid(0, 0) = 0
[pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5878] write(3, "1000", 4) = 4
[pid 5878] close(3) = 0
executing program
[pid 5878] write(1, "executing program\n", 18) = 18
[pid 5878] memfd_create("syzkaller", 0) = 3
[pid 5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5878] 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 5878] munmap(0x7f6749200000, 138412032) = 0
[pid 5878] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5878] close(3) = 0
[pid 5878] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5878] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5878] exit_group(0) = ?
[pid 5878] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, 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 5879 attached
, child_tidptr=0x5555842bc650) = 5879
[pid 5879] set_robust_list(0x5555842bc660, 24) = 0
[pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5879] setpgid(0, 0) = 0
[pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5879] write(3, "1000", 4) = 4
[pid 5879] close(3) = 0
[pid 5879] write(1, "executing program\n", 18executing program
) = 18
[pid 5879] memfd_create("syzkaller", 0) = 3
[pid 5879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5879] 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 5879] munmap(0x7f6749200000, 138412032) = 0
[pid 5879] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5879] close(3) = 0
[pid 5879] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5879] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5879] exit_group(0) = ?
[pid 5879] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=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 5880 attached
, child_tidptr=0x5555842bc650) = 5880
[pid 5880] set_robust_list(0x5555842bc660, 24) = 0
[pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5880] setpgid(0, 0) = 0
[pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5880] write(3, "1000", 4) = 4
[pid 5880] close(3) = 0
executing program
[pid 5880] write(1, "executing program\n", 18) = 18
[pid 5880] memfd_create("syzkaller", 0) = 3
[pid 5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5880] 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 5880] munmap(0x7f6749200000, 138412032) = 0
[pid 5880] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5880] close(3) = 0
[pid 5880] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5880] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5880] exit_group(0) = ?
[pid 5880] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, 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 5881 attached
, child_tidptr=0x5555842bc650) = 5881
[pid 5881] set_robust_list(0x5555842bc660, 24) = 0
[pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5881] setpgid(0, 0) = 0
[pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5881] write(3, "1000", 4) = 4
[pid 5881] close(3) = 0
executing program
[pid 5881] write(1, "executing program\n", 18) = 18
[pid 5881] memfd_create("syzkaller", 0) = 3
[pid 5881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5881] 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 5881] munmap(0x7f6749200000, 138412032) = 0
[pid 5881] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5881] close(3) = 0
[pid 5881] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5881] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5881] exit_group(0) = ?
[pid 5881] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, 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, child_tidptr=0x5555842bc650) = 5882
./strace-static-x86_64: Process 5882 attached
[pid 5882] set_robust_list(0x5555842bc660, 24) = 0
[pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5882] setpgid(0, 0) = 0
[pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5882] write(3, "1000", 4) = 4
[pid 5882] close(3) = 0
[pid 5882] write(1, "executing program\n", 18executing program
) = 18
[pid 5882] memfd_create("syzkaller", 0) = 3
[pid 5882] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5882] 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 5882] munmap(0x7f6749200000, 138412032) = 0
[pid 5882] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5882] close(3) = 0
[pid 5882] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5882] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5882] exit_group(0) = ?
[pid 5882] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, 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 5883 attached
[pid 5883] set_robust_list(0x5555842bc660, 24
[pid 5841] <... clone resumed>, child_tidptr=0x5555842bc650) = 5883
[pid 5883] <... set_robust_list resumed>) = 0
[pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5883] setpgid(0, 0) = 0
[pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5883] write(3, "1000", 4) = 4
[pid 5883] close(3) = 0
executing program
[pid 5883] write(1, "executing program\n", 18) = 18
[pid 5883] memfd_create("syzkaller", 0) = 3
[pid 5883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000
[pid 5883] 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 5883] munmap(0x7f6749200000, 138412032) = 0
[pid 5883] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5883] close(3) = 0
[pid 5883] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC, 000) = -1 EISDIR (Is a directory)
[pid 5883] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND, 0512) = -1 EISDIR (Is a directory)
[pid 5883] exit_group(0) = ?
[pid 5883] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 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 5885 attached
, child_tidptr=0x5555842bc650) = 5885
[pid 5885] set_robust_list(0x5555842bc660, 24) = 0
[pid 5885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5885] setpgid(0, 0) = 0
[pid 5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5885] write(3, "1000", 4) = 4
[pid 5885] close(3) = 0
executing program
[pid 5885] write(1, "executing program\n", 18) = 18
[pid 5885] memfd_create("syzkaller", 0) = 3
[pid 5885] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6749200000