./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4055970845
<...>
Warning: Permanently added '10.128.0.19' (ED25519) to the list of known hosts.
execve("./syz-executor4055970845", ["./syz-executor4055970845"], 0x7fffdc58f4d0 /* 10 vars */) = 0
brk(NULL) = 0x555558284000
brk(0x555558284d00) = 0x555558284d00
arch_prctl(ARCH_SET_FS, 0x555558284380) = 0
set_tid_address(0x555558284650) = 5866
set_robust_list(0x555558284660, 24) = 0
rseq(0x555558284ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4055970845", 4096) = 28
getrandom("\xf9\x30\x24\xb7\xce\x27\xf1\x52", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555558284d00
brk(0x5555582a5d00) = 0x5555582a5d00
brk(0x5555582a6000) = 0x5555582a6000
mprotect(0x7f4d4ac22000, 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 5868 attached
, child_tidptr=0x555558284650) = 5868
[pid 5868] set_robust_list(0x555558284660, 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) = 0x7f4d42600000
[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(0x7f4d42600000, 138412032) = 0
[pid 5868] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5868] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5868] close(3) = 0
[pid 5868] close(4) = 0
[pid 5868] mkdir("./file0", 0777) = 0
[ 79.607404][ T5868] loop0: detected capacity change from 0 to 32768
[ 79.642456][ T5868] (syz-executor405,5868,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC.
[ 79.658519][ T5868] (syz-executor405,5868,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC.
[ 79.687682][ T5868] JBD2: Ignoring recovery information on journal
[pid 5868] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "journal_async_commit,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0
[pid 5868] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5868] chdir("./file0") = 0
[pid 5868] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5868] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[ 79.717054][ T5868] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
[ 79.791654][ T5868]
[ 79.793999][ T5868] ======================================================
[ 79.801006][ T5868] WARNING: possible circular locking dependency detected
[ 79.808020][ T5868] 6.16.0-next-20250808-syzkaller #0 Not tainted
[ 79.814247][ T5868] ------------------------------------------------------
[ 79.821338][ T5868] syz-executor405/5868 is trying to acquire lock:
[ 79.827754][ T5868] ffff8880761406f8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_init_acl+0x2f9/0x720
[ 79.837083][ T5868]
[ 79.837083][ T5868] but task is already holding lock:
[ 79.844432][ T5868] ffff8880339e4950 (jbd2_handle){.+.+}-{0:0}, at: start_this_handle+0x1f87/0x21c0
[ 79.853648][ T5868]
[ 79.853648][ T5868] which lock already depends on the new lock.
[ 79.853648][ T5868]
[ 79.864037][ T5868]
[ 79.864037][ T5868] the existing dependency chain (in reverse order) is:
[ 79.873043][ T5868]
[ 79.873043][ T5868] -> #4 (jbd2_handle){.+.+}-{0:0}:
[ 79.880339][ T5868] lock_acquire+0x120/0x360
[ 79.885368][ T5868] start_this_handle+0x1fa7/0x21c0
[ 79.890998][ T5868] jbd2__journal_start+0x2c1/0x5b0
[ 79.896632][ T5868] jbd2_journal_start+0x2a/0x40
[ 79.902004][ T5868] ocfs2_start_trans+0x376/0x6d0
[ 79.907465][ T5868] ocfs2_modify_bh+0xe8/0x470
[ 79.912657][ T5868] ocfs2_local_read_info+0x1465/0x17e0
[ 79.918633][ T5868] dquot_load_quota_sb+0x78e/0xbd0
[ 79.924279][ T5868] dquot_load_quota_inode+0x2e1/0x5d0
[ 79.930176][ T5868] ocfs2_enable_quotas+0x1c6/0x450
[ 79.935801][ T5868] ocfs2_fill_super+0x50e7/0x63a0
[ 79.941337][ T5868] get_tree_bdev_flags+0x40e/0x4d0
[ 79.946967][ T5868] vfs_get_tree+0x8f/0x2b0
[ 79.951908][ T5868] do_new_mount+0x2a2/0x9e0
[ 79.956938][ T5868] __se_sys_mount+0x317/0x410
[ 79.962216][ T5868] do_syscall_64+0xfa/0x3b0
[ 79.967251][ T5868] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.973654][ T5868]
[ 79.973654][ T5868] -> #3 (&journal->j_trans_barrier){.+.+}-{4:4}:
[ 79.982160][ T5868] lock_acquire+0x120/0x360
[ 79.987180][ T5868] down_read+0x46/0x2e0
[ 79.991840][ T5868] ocfs2_start_trans+0x36a/0x6d0
[ 79.997288][ T5868] ocfs2_modify_bh+0xe8/0x470
[ 80.002474][ T5868] ocfs2_local_read_info+0x1465/0x17e0
[ 80.008437][ T5868] dquot_load_quota_sb+0x78e/0xbd0
[ 80.014065][ T5868] dquot_load_quota_inode+0x2e1/0x5d0
[ 80.019949][ T5868] ocfs2_enable_quotas+0x1c6/0x450
[ 80.025584][ T5868] ocfs2_fill_super+0x50e7/0x63a0
[ 80.031204][ T5868] get_tree_bdev_flags+0x40e/0x4d0
[ 80.036825][ T5868] vfs_get_tree+0x8f/0x2b0
[ 80.041751][ T5868] do_new_mount+0x2a2/0x9e0
[ 80.046799][ T5868] __se_sys_mount+0x317/0x410
[ 80.051981][ T5868] do_syscall_64+0xfa/0x3b0
[ 80.057087][ T5868] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.063484][ T5868]
[ 80.063484][ T5868] -> #2 (sb_internal#2){.+.+}-{0:0}:
[ 80.070949][ T5868] lock_acquire+0x120/0x360
[ 80.075975][ T5868] ocfs2_start_trans+0x26b/0x6d0
[ 80.081525][ T5868] ocfs2_xattr_set+0xd69/0x11f0
[ 80.086896][ T5868] ocfs2_set_acl+0x701/0x7b0
[ 80.092018][ T5868] ocfs2_iop_set_acl+0x1aa/0x2a0
[ 80.097469][ T5868] vfs_set_acl+0x884/0xb00
[ 80.102395][ T5868] do_set_acl+0xf6/0x190
[ 80.107170][ T5868] filename_setxattr+0x2e0/0x600
[ 80.112623][ T5868] path_setxattrat+0x364/0x3a0
[ 80.117916][ T5868] __x64_sys_setxattr+0xbc/0xe0
[ 80.123278][ T5868] do_syscall_64+0xfa/0x3b0
[ 80.128299][ T5868] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.134843][ T5868]
[ 80.134843][ T5868] -> #1 (&ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}:
[ 80.145538][ T5868] lock_acquire+0x120/0x360
[ 80.150567][ T5868] down_write+0x96/0x1f0
[ 80.155326][ T5868] ocfs2_reserve_suballoc_bits+0x15e/0x4640
[ 80.161750][ T5868] ocfs2_reserve_new_metadata_blocks+0x403/0x940
[ 80.168604][ T5868] ocfs2_init_xattr_set_ctxt+0x307/0x700
[ 80.174751][ T5868] ocfs2_xattr_set+0xb70/0x11f0
[ 80.180113][ T5868] ocfs2_set_acl+0x701/0x7b0
[ 80.185217][ T5868] ocfs2_iop_set_acl+0x1aa/0x2a0
[ 80.190661][ T5868] vfs_set_acl+0x884/0xb00
[ 80.195619][ T5868] do_set_acl+0xf6/0x190
[ 80.200369][ T5868] filename_setxattr+0x2e0/0x600
[ 80.205815][ T5868] path_setxattrat+0x364/0x3a0
[ 80.211086][ T5868] __x64_sys_setxattr+0xbc/0xe0
[ 80.216443][ T5868] do_syscall_64+0xfa/0x3b0
[ 80.221457][ T5868] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.227866][ T5868]
[ 80.227866][ T5868] -> #0 (&oi->ip_xattr_sem){++++}-{4:4}:
[ 80.235691][ T5868] validate_chain+0xb9b/0x2140
[ 80.240963][ T5868] __lock_acquire+0xab9/0xd20
[ 80.246151][ T5868] lock_acquire+0x120/0x360
[ 80.251167][ T5868] down_read+0x46/0x2e0
[ 80.255838][ T5868] ocfs2_init_acl+0x2f9/0x720
[ 80.261023][ T5868] ocfs2_mknod+0x1321/0x2050
[ 80.266119][ T5868] ocfs2_create+0x1a5/0x440
[ 80.271124][ T5868] path_openat+0x14f1/0x3830
[ 80.276224][ T5868] do_filp_open+0x1fa/0x410
[ 80.281258][ T5868] do_sys_openat2+0x121/0x1c0
[ 80.286441][ T5868] __x64_sys_openat+0x138/0x170
[ 80.291796][ T5868] do_syscall_64+0xfa/0x3b0
[ 80.296812][ T5868] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.303211][ T5868]
[ 80.303211][ T5868] other info that might help us debug this:
[ 80.303211][ T5868]
[ 80.313416][ T5868] Chain exists of:
[ 80.313416][ T5868] &oi->ip_xattr_sem --> &journal->j_trans_barrier --> jbd2_handle
[ 80.313416][ T5868]
[ 80.327139][ T5868] Possible unsafe locking scenario:
[ 80.327139][ T5868]
[ 80.334571][ T5868] CPU0 CPU1
[ 80.339914][ T5868] ---- ----
[ 80.345266][ T5868] rlock(jbd2_handle);
[ 80.349409][ T5868] lock(&journal->j_trans_barrier);
[ 80.357198][ T5868] lock(jbd2_handle);
[ 80.363771][ T5868] rlock(&oi->ip_xattr_sem);
[ 80.368441][ T5868]
[ 80.368441][ T5868] *** DEADLOCK ***
[ 80.368441][ T5868]
[ 80.376564][ T5868] 8 locks held by syz-executor405/5868:
[ 80.382175][ T5868] #0: ffff888079b76428 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
[ 80.391315][ T5868] #1: ffff8880761409c0 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: path_openat+0x8da/0x3830
[ 80.401496][ T5868] #2: ffff88807614a640 (&ocfs2_sysfile_lock_key[INODE_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x15e/0x4640
[ 80.415242][ T5868] #3: ffff888076149800 (&ocfs2_sysfile_lock_key[EXTENT_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x15e/0x4640
[ 80.429095][ T5868] #4: ffff88807614c2c0 (&ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_reserve_local_alloc_bits+0x125/0x24e0
[ 80.443185][ T5868] #5: ffff888079b76618 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_mknod+0xe93/0x2050
[ 80.452417][ T5868] #6: ffff8880797354e8 (&journal->j_trans_barrier){.+.+}-{4:4}, at: ocfs2_start_trans+0x36a/0x6d0
[ 80.463122][ T5868] #7: ffff8880339e4950 (jbd2_handle){.+.+}-{0:0}, at: start_this_handle+0x1f87/0x21c0
[ 80.472775][ T5868]
[ 80.472775][ T5868] stack backtrace:
[ 80.478664][ T5868] CPU: 1 UID: 0 PID: 5868 Comm: syz-executor405 Not tainted 6.16.0-next-20250808-syzkaller #0 PREEMPT(full)
[ 80.478685][ T5868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 80.478700][ T5868] Call Trace:
[ 80.478708][ T5868]
[ 80.478715][ T5868] dump_stack_lvl+0x189/0x250
[ 80.478738][ T5868] ? __pfx_dump_stack_lvl+0x10/0x10
[ 80.478757][ T5868] ? __pfx__printk+0x10/0x10
[ 80.478777][ T5868] ? stack_trace_save+0x9c/0xe0
[ 80.478800][ T5868] print_circular_bug+0x2ee/0x310
[ 80.478819][ T5868] check_noncircular+0x134/0x160
[ 80.478839][ T5868] validate_chain+0xb9b/0x2140
[ 80.478863][ T5868] __lock_acquire+0xab9/0xd20
[ 80.478887][ T5868] ? ocfs2_init_acl+0x2f9/0x720
[ 80.478905][ T5868] lock_acquire+0x120/0x360
[ 80.478926][ T5868] ? ocfs2_init_acl+0x2f9/0x720
[ 80.478948][ T5868] down_read+0x46/0x2e0
[ 80.478962][ T5868] ? ocfs2_init_acl+0x2f9/0x720
[ 80.478980][ T5868] ocfs2_init_acl+0x2f9/0x720
[ 80.478997][ T5868] ? ocfs2_mknod_locked+0x148/0x250
[ 80.479016][ T5868] ? __pfx_ocfs2_init_acl+0x10/0x10
[ 80.479033][ T5868] ? dquot_alloc_inode+0x8ba/0xa50
[ 80.479051][ T5868] ? dquot_alloc_inode+0x166/0xa50
[ 80.479066][ T5868] ? ocfs2_block_signals+0x94/0xe0
[ 80.479082][ T5868] ? ocfs2_init_security_get+0x139/0x1a0
[ 80.479104][ T5868] ocfs2_mknod+0x1321/0x2050
[ 80.479125][ T5868] ? __pfx_ocfs2_mknod+0x10/0x10
[ 80.479140][ T5868] ? __pfx_ocfs2_find_entry+0x10/0x10
[ 80.479160][ T5868] ? __lock_acquire+0xab9/0xd20
[ 80.479190][ T5868] ? look_up_lock_class+0x74/0x170
[ 80.479212][ T5868] ? register_lock_class+0x51/0x320
[ 80.479237][ T5868] ? __lock_acquire+0xab9/0xd20
[ 80.479267][ T5868] ? __lock_acquire+0xab9/0xd20
[ 80.479292][ T5868] ? do_raw_spin_lock+0x121/0x290
[ 80.479318][ T5868] ? do_raw_spin_unlock+0x122/0x240
[ 80.479339][ T5868] ? rcu_is_watching+0x15/0xb0
[ 80.479355][ T5868] ? ocfs2_lookup+0x5b9/0x9b0
[ 80.479372][ T5868] ocfs2_create+0x1a5/0x440
[ 80.479386][ T5868] ? __pfx_ocfs2_lookup+0x10/0x10
[ 80.479401][ T5868] ? from_kgid+0x1b0/0x650
[ 80.479422][ T5868] ? __pfx_ocfs2_create+0x10/0x10
[ 80.479436][ T5868] ? HAS_UNMAPPED_ID+0x11a/0x180
[ 80.479453][ T5868] ? inode_permission+0x149/0x470
[ 80.479468][ T5868] ? __pfx_ocfs2_permission+0x10/0x10
[ 80.479490][ T5868] ? bpf_lsm_inode_create+0x9/0x20
[ 80.479507][ T5868] ? __pfx_ocfs2_create+0x10/0x10
[ 80.479522][ T5868] path_openat+0x14f1/0x3830
[ 80.479540][ T5868] ? arch_stack_walk+0xfc/0x150
[ 80.479570][ T5868] ? __pfx_path_openat+0x10/0x10
[ 80.479587][ T5868] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.479610][ T5868] do_filp_open+0x1fa/0x410
[ 80.479628][ T5868] ? __lock_acquire+0xab9/0xd20
[ 80.479650][ T5868] ? __pfx_do_filp_open+0x10/0x10
[ 80.479676][ T5868] ? _raw_spin_unlock+0x28/0x50
[ 80.479694][ T5868] ? alloc_fd+0x64c/0x6c0
[ 80.479720][ T5868] do_sys_openat2+0x121/0x1c0
[ 80.479738][ T5868] ? __pfx_do_sys_openat2+0x10/0x10
[ 80.479759][ T5868] __x64_sys_openat+0x138/0x170
[ 80.479777][ T5868] do_syscall_64+0xfa/0x3b0
[ 80.479799][ T5868] ? lockdep_hardirqs_on+0x9c/0x150
[ 80.479819][ T5868] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.479834][ T5868] ? clear_bhb_loop+0x60/0xb0
[ 80.479851][ T5868] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.479867][ T5868] RIP: 0033:0x7f4d4abaac19
[ 80.479885][ T5868] 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
[ 80.479903][ T5868] RSP: 002b:00007ffdd2cde718 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 80.479919][ T5868] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f4d4abaac19
[ 80.479932][ T5868] RDX: 0000000000000040 RSI: 00002000000001c0 RDI: 00000000ffffff9c
[pid 5868] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = 4
[pid 5868] exit_group(0) = ?
[pid 5868] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=21 /* 0.21 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=0x555558284650) = 5873
./strace-static-x86_64: Process 5873 attached
[pid 5873] set_robust_list(0x555558284660, 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
[ 80.479943][ T5868] RBP: 00007f4d4ac225f0 R08: 00005555582854c0 R09: 00005555582854c0
[ 80.479954][ T5868] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffdd2cde740
[ 80.479965][ T5868] R13: 00007ffdd2cde968 R14: 431bde82d7b634db R15: 00007f4d4abf303b
[ 80.479982][ T5868]
[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) = 0x7f4d42600000
[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(0x7f4d42600000, 138412032) = 0
[pid 5873] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5873] close(3) = 0
[pid 5873] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5873] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -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=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5874 attached
, child_tidptr=0x555558284650) = 5874
[pid 5874] set_robust_list(0x555558284660, 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
executing program
[pid 5874] write(1, "executing program\n", 18) = 18
[pid 5874] memfd_create("syzkaller", 0) = 3
[pid 5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[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(0x7f4d42600000, 138412032) = 0
[pid 5874] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5874] close(3) = 0
[pid 5874] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5874] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -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=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 5876 attached
, child_tidptr=0x555558284650) = 5876
[pid 5876] set_robust_list(0x555558284660, 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", 4) = 4
[pid 5876] close(3) = 0
executing program
[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) = 0x7f4d42600000
[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(0x7f4d42600000, 138412032) = 0
[pid 5876] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5876] close(3) = 0
[pid 5876] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5876] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -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=0, 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 5877 attached
[pid 5877] set_robust_list(0x555558284660, 24) = 0
[pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5877] setpgid(0, 0
[pid 5866] <... clone resumed>, child_tidptr=0x555558284650) = 5877
[pid 5877] <... setpgid resumed>) = 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
executing program
[pid 5877] write(1, "executing program\n", 18) = 18
[pid 5877] memfd_create("syzkaller", 0) = 3
[pid 5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[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(0x7f4d42600000, 138412032) = 0
[pid 5877] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5877] close(3) = 0
[pid 5877] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5877] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -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=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5879 attached
, child_tidptr=0x555558284650) = 5879
[pid 5879] set_robust_list(0x555558284660, 24) = 0
[pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5879] setpgid(0, 0) = 0
[pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5879] write(3, "1000", 4) = 4
[pid 5879] close(3) = 0
executing program
[pid 5879] write(1, "executing program\n", 18) = 18
[pid 5879] memfd_create("syzkaller", 0) = 3
[pid 5879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[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(0x7f4d42600000, 138412032) = 0
[pid 5879] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5879] close(3) = 0
[pid 5879] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5879] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -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=2 /* 0.02 s */, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5880 attached
, child_tidptr=0x555558284650) = 5880
[pid 5880] set_robust_list(0x555558284660, 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) = 0x7f4d42600000
[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(0x7f4d42600000, 138412032) = 0
[pid 5880] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5880] close(3) = 0
[pid 5880] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5880] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -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=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5881 attached
, child_tidptr=0x555558284650) = 5881
[pid 5881] set_robust_list(0x555558284660, 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) = 0x7f4d42600000
[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(0x7f4d42600000, 138412032) = 0
[pid 5881] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5881] close(3) = 0
[pid 5881] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5881] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -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=2 /* 0.02 s */, si_stime=9 /* 0.09 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 5883 attached
, child_tidptr=0x555558284650) = 5883
[pid 5883] set_robust_list(0x555558284660, 24) = 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
[pid 5883] write(1, "executing program\n", 18executing program
) = 18
[pid 5883] memfd_create("syzkaller", 0) = 3
[pid 5883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[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(0x7f4d42600000, 138412032) = 0
[pid 5883] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5883] close(3) = 0
[pid 5883] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5883] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -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=0, 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=0x555558284650) = 5885
[pid 5885] set_robust_list(0x555558284660, 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) = 0x7f4d42600000
[pid 5885] 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 5885] munmap(0x7f4d42600000, 138412032) = 0
[pid 5885] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5885] close(3) = 0
[pid 5885] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5885] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5885] exit_group(0) = ?
[pid 5885] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5886 attached
, child_tidptr=0x555558284650) = 5886
[pid 5886] set_robust_list(0x555558284660, 24) = 0
[pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5886] setpgid(0, 0) = 0
[pid 5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5886] write(3, "1000", 4) = 4
[pid 5886] close(3) = 0
executing program
[pid 5886] write(1, "executing program\n", 18) = 18
[pid 5886] memfd_create("syzkaller", 0) = 3
[pid 5886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5886] 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 5886] munmap(0x7f4d42600000, 138412032) = 0
[pid 5886] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5886] close(3) = 0
[pid 5886] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5886] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5886] exit_group(0) = ?
[pid 5886] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=7 /* 0.07 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 5887 attached
, child_tidptr=0x555558284650) = 5887
[pid 5887] set_robust_list(0x555558284660, 24) = 0
[pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5887] setpgid(0, 0) = 0
[pid 5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5887] write(3, "1000", 4) = 4
[pid 5887] close(3) = 0
executing program
[pid 5887] write(1, "executing program\n", 18) = 18
[pid 5887] memfd_create("syzkaller", 0) = 3
[pid 5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5887] 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 5887] munmap(0x7f4d42600000, 138412032) = 0
[pid 5887] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5887] close(3) = 0
[pid 5887] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5887] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5887] exit_group(0) = ?
[pid 5887] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5888 attached
, child_tidptr=0x555558284650) = 5888
[pid 5888] set_robust_list(0x555558284660, 24) = 0
[pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5888] setpgid(0, 0) = 0
[pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5888] write(3, "1000", 4) = 4
[pid 5888] close(3) = 0
executing program
[pid 5888] write(1, "executing program\n", 18) = 18
[pid 5888] memfd_create("syzkaller", 0) = 3
[pid 5888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5888] 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 5888] munmap(0x7f4d42600000, 138412032) = 0
[pid 5888] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5888] close(3) = 0
[pid 5888] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5888] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5888] exit_group(0) = ?
[pid 5888] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5889 attached
, child_tidptr=0x555558284650) = 5889
[pid 5889] set_robust_list(0x555558284660, 24) = 0
[pid 5889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5889] setpgid(0, 0) = 0
[pid 5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5889] write(3, "1000", 4) = 4
[pid 5889] close(3) = 0
[pid 5889] write(1, "executing program\n", 18executing program
) = 18
[pid 5889] memfd_create("syzkaller", 0) = 3
[pid 5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5889] 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 5889] munmap(0x7f4d42600000, 138412032) = 0
[pid 5889] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5889] close(3) = 0
[pid 5889] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5889] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5889] exit_group(0) = ?
[pid 5889] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5890 attached
, child_tidptr=0x555558284650) = 5890
[pid 5890] set_robust_list(0x555558284660, 24) = 0
[pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5890] setpgid(0, 0) = 0
[pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5890] write(3, "1000", 4) = 4
[pid 5890] close(3) = 0
[pid 5890] write(1, "executing program\n", 18executing program
) = 18
[pid 5890] memfd_create("syzkaller", 0) = 3
[pid 5890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5890] 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 5890] munmap(0x7f4d42600000, 138412032) = 0
[pid 5890] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5890] close(3) = 0
[pid 5890] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5890] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5890] exit_group(0) = ?
[pid 5890] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5891 attached
, child_tidptr=0x555558284650) = 5891
[pid 5891] set_robust_list(0x555558284660, 24) = 0
[pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5891] setpgid(0, 0) = 0
[pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5891] write(3, "1000", 4) = 4
[pid 5891] close(3) = 0
executing program
[pid 5891] write(1, "executing program\n", 18) = 18
[pid 5891] memfd_create("syzkaller", 0) = 3
[pid 5891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5891] 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 5891] munmap(0x7f4d42600000, 138412032) = 0
[pid 5891] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5891] close(3) = 0
[pid 5891] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5891] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5891] exit_group(0) = ?
[pid 5891] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=0, 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 5892 attached
, child_tidptr=0x555558284650) = 5892
[pid 5892] set_robust_list(0x555558284660, 24) = 0
[pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5892] setpgid(0, 0) = 0
[pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5892] write(3, "1000", 4) = 4
[pid 5892] close(3) = 0
executing program
[pid 5892] write(1, "executing program\n", 18) = 18
[pid 5892] memfd_create("syzkaller", 0) = 3
[pid 5892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5892] 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 5892] munmap(0x7f4d42600000, 138412032) = 0
[pid 5892] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5892] close(3) = 0
[pid 5892] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5892] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5892] exit_group(0) = ?
[pid 5892] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=6 /* 0.06 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 5893 attached
, child_tidptr=0x555558284650) = 5893
[pid 5893] set_robust_list(0x555558284660, 24) = 0
[pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5893] setpgid(0, 0) = 0
[pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5893] write(3, "1000", 4) = 4
[pid 5893] close(3) = 0
executing program
[pid 5893] write(1, "executing program\n", 18) = 18
[pid 5893] memfd_create("syzkaller", 0) = 3
[pid 5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5893] 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 5893] munmap(0x7f4d42600000, 138412032) = 0
[pid 5893] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5893] close(3) = 0
[pid 5893] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5893] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5893] exit_group(0) = ?
[pid 5893] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5894 attached
, child_tidptr=0x555558284650) = 5894
[pid 5894] set_robust_list(0x555558284660, 24) = 0
[pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5894] setpgid(0, 0) = 0
[pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5894] write(3, "1000", 4) = 4
[pid 5894] close(3) = 0
executing program
[pid 5894] write(1, "executing program\n", 18) = 18
[pid 5894] memfd_create("syzkaller", 0) = 3
[pid 5894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5894] 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 5894] munmap(0x7f4d42600000, 138412032) = 0
[pid 5894] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5894] close(3) = 0
[pid 5894] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5894] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5894] exit_group(0) = ?
[pid 5894] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5895 attached
, child_tidptr=0x555558284650) = 5895
[pid 5895] set_robust_list(0x555558284660, 24) = 0
[pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5895] setpgid(0, 0) = 0
[pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5895] write(3, "1000", 4) = 4
[pid 5895] close(3) = 0
executing program
[pid 5895] write(1, "executing program\n", 18) = 18
[pid 5895] memfd_create("syzkaller", 0) = 3
[pid 5895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5895] 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 5895] munmap(0x7f4d42600000, 138412032) = 0
[pid 5895] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5895] close(3) = 0
[pid 5895] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5895] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5895] exit_group(0) = ?
[pid 5895] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5896 attached
, child_tidptr=0x555558284650) = 5896
[pid 5896] set_robust_list(0x555558284660, 24) = 0
[pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5896] setpgid(0, 0) = 0
[pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5896] write(3, "1000", 4) = 4
[pid 5896] close(3) = 0
executing program
[pid 5896] write(1, "executing program\n", 18) = 18
[pid 5896] memfd_create("syzkaller", 0) = 3
[pid 5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5896] 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 5896] munmap(0x7f4d42600000, 138412032) = 0
[pid 5896] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5896] close(3) = 0
[pid 5896] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5896] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5896] exit_group(0) = ?
[pid 5896] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5897 attached
, child_tidptr=0x555558284650) = 5897
[pid 5897] set_robust_list(0x555558284660, 24) = 0
[pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5897] setpgid(0, 0) = 0
[pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5897] write(3, "1000", 4) = 4
[pid 5897] close(3) = 0
executing program
[pid 5897] write(1, "executing program\n", 18) = 18
[pid 5897] memfd_create("syzkaller", 0) = 3
[pid 5897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5897] 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 5897] munmap(0x7f4d42600000, 138412032) = 0
[pid 5897] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5897] close(3) = 0
[pid 5897] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5897] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5897] exit_group(0) = ?
[pid 5897] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5898 attached
, child_tidptr=0x555558284650) = 5898
[pid 5898] set_robust_list(0x555558284660, 24) = 0
[pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5898] setpgid(0, 0) = 0
[pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5898] write(3, "1000", 4) = 4
[pid 5898] close(3) = 0
executing program
[pid 5898] write(1, "executing program\n", 18) = 18
[pid 5898] memfd_create("syzkaller", 0) = 3
[pid 5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5898] 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 5898] munmap(0x7f4d42600000, 138412032) = 0
[pid 5898] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5898] close(3) = 0
[pid 5898] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5898] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5898] exit_group(0) = ?
[pid 5898] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 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 5899 attached
, child_tidptr=0x555558284650) = 5899
[pid 5899] set_robust_list(0x555558284660, 24) = 0
[pid 5899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5899] setpgid(0, 0) = 0
[pid 5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5899] write(3, "1000", 4) = 4
[pid 5899] close(3) = 0
executing program
[pid 5899] write(1, "executing program\n", 18) = 18
[pid 5899] memfd_create("syzkaller", 0) = 3
[pid 5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5899] 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
[ 86.709876][ T929] cfg80211: failed to load regulatory.db
[pid 5899] munmap(0x7f4d42600000, 138412032) = 0
[pid 5899] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5899] close(3) = 0
[pid 5899] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5899] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5899] exit_group(0) = ?
[pid 5899] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5899, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5901 attached
, child_tidptr=0x555558284650) = 5901
[pid 5901] set_robust_list(0x555558284660, 24) = 0
[pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5901] setpgid(0, 0) = 0
[pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5901] write(3, "1000", 4) = 4
[pid 5901] close(3) = 0
[pid 5901] write(1, "executing program\n", 18executing program
) = 18
[pid 5901] memfd_create("syzkaller", 0) = 3
[pid 5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5901] 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 5901] munmap(0x7f4d42600000, 138412032) = 0
[pid 5901] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5901] close(3) = 0
[pid 5901] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5901] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5901] exit_group(0) = ?
[pid 5901] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=7 /* 0.07 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 5902 attached
, child_tidptr=0x555558284650) = 5902
[pid 5902] set_robust_list(0x555558284660, 24) = 0
[pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5902] setpgid(0, 0) = 0
[pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5902] write(3, "1000", 4) = 4
[pid 5902] close(3) = 0
[pid 5902] write(1, "executing program\n", 18executing program
) = 18
[pid 5902] memfd_create("syzkaller", 0) = 3
[pid 5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5902] 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 5902] munmap(0x7f4d42600000, 138412032) = 0
[pid 5902] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5902] close(3) = 0
[pid 5902] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5902] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5902] exit_group(0) = ?
[pid 5902] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5903 attached
, child_tidptr=0x555558284650) = 5903
[pid 5903] set_robust_list(0x555558284660, 24) = 0
[pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5903] setpgid(0, 0) = 0
[pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5903] write(3, "1000", 4) = 4
[pid 5903] close(3) = 0
executing program
[pid 5903] write(1, "executing program\n", 18) = 18
[pid 5903] memfd_create("syzkaller", 0) = 3
[pid 5903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5903] 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 5903] munmap(0x7f4d42600000, 138412032) = 0
[pid 5903] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5903] close(3) = 0
[pid 5903] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5903] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5903] exit_group(0) = ?
[pid 5903] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5904 attached
, child_tidptr=0x555558284650) = 5904
[pid 5904] set_robust_list(0x555558284660, 24) = 0
[pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5904] setpgid(0, 0) = 0
[pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5904] write(3, "1000", 4) = 4
[pid 5904] close(3) = 0
[pid 5904] write(1, "executing program\n", 18executing program
) = 18
[pid 5904] memfd_create("syzkaller", 0) = 3
[pid 5904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5904] 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 5904] munmap(0x7f4d42600000, 138412032) = 0
[pid 5904] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5904] close(3) = 0
[pid 5904] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5904] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5904] exit_group(0) = ?
[pid 5904] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5905 attached
, child_tidptr=0x555558284650) = 5905
[pid 5905] set_robust_list(0x555558284660, 24) = 0
[pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5905] setpgid(0, 0) = 0
[pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5905] write(3, "1000", 4) = 4
[pid 5905] close(3) = 0
[pid 5905] write(1, "executing program\n", 18executing program
) = 18
[pid 5905] memfd_create("syzkaller", 0) = 3
[pid 5905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5905] 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 5905] munmap(0x7f4d42600000, 138412032) = 0
[pid 5905] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5905] close(3) = 0
[pid 5905] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5905] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5905] exit_group(0) = ?
[pid 5905] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5906 attached
, child_tidptr=0x555558284650) = 5906
[pid 5906] set_robust_list(0x555558284660, 24) = 0
[pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5906] setpgid(0, 0) = 0
[pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5906] write(3, "1000", 4) = 4
[pid 5906] close(3) = 0
[pid 5906] write(1, "executing program\n", 18executing program
) = 18
[pid 5906] memfd_create("syzkaller", 0) = 3
[pid 5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5906] 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 5906] munmap(0x7f4d42600000, 138412032) = 0
[pid 5906] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5906] close(3) = 0
[pid 5906] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5906] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5906] exit_group(0) = ?
[pid 5906] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5907 attached
, child_tidptr=0x555558284650) = 5907
[pid 5907] set_robust_list(0x555558284660, 24) = 0
[pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5907] setpgid(0, 0) = 0
[pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5907] write(3, "1000", 4) = 4
[pid 5907] close(3) = 0
executing program
[pid 5907] write(1, "executing program\n", 18) = 18
[pid 5907] memfd_create("syzkaller", 0) = 3
[pid 5907] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5907] 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 5907] munmap(0x7f4d42600000, 138412032) = 0
[pid 5907] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5907] close(3) = 0
[pid 5907] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5907] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5907] exit_group(0) = ?
[pid 5907] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=7 /* 0.07 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 5908 attached
, child_tidptr=0x555558284650) = 5908
[pid 5908] set_robust_list(0x555558284660, 24) = 0
[pid 5908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5908] setpgid(0, 0) = 0
[pid 5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5908] write(3, "1000", 4) = 4
[pid 5908] close(3) = 0
executing program
[pid 5908] write(1, "executing program\n", 18) = 18
[pid 5908] memfd_create("syzkaller", 0) = 3
[pid 5908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5908] 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 5908] munmap(0x7f4d42600000, 138412032) = 0
[pid 5908] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5908] close(3) = 0
[pid 5908] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5908] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5908] exit_group(0) = ?
[pid 5908] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5908, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5909 attached
, child_tidptr=0x555558284650) = 5909
[pid 5909] set_robust_list(0x555558284660, 24) = 0
[pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5909] setpgid(0, 0) = 0
[pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5909] write(3, "1000", 4) = 4
[pid 5909] close(3) = 0
executing program
[pid 5909] write(1, "executing program\n", 18) = 18
[pid 5909] memfd_create("syzkaller", 0) = 3
[pid 5909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5909] 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 5909] munmap(0x7f4d42600000, 138412032) = 0
[pid 5909] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5909] close(3) = 0
[pid 5909] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5909] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5909] exit_group(0) = ?
[pid 5909] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5910 attached
, child_tidptr=0x555558284650) = 5910
[pid 5910] set_robust_list(0x555558284660, 24) = 0
[pid 5910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5910] setpgid(0, 0) = 0
[pid 5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5910] write(3, "1000", 4) = 4
[pid 5910] close(3) = 0
executing program
[pid 5910] write(1, "executing program\n", 18) = 18
[pid 5910] memfd_create("syzkaller", 0) = 3
[pid 5910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5910] 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 5910] munmap(0x7f4d42600000, 138412032) = 0
[pid 5910] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5910] close(3) = 0
[pid 5910] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5910] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5910] exit_group(0) = ?
[pid 5910] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5911 attached
, child_tidptr=0x555558284650) = 5911
[pid 5911] set_robust_list(0x555558284660, 24) = 0
[pid 5911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5911] setpgid(0, 0) = 0
[pid 5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5911] write(3, "1000", 4) = 4
[pid 5911] close(3) = 0
executing program
[pid 5911] write(1, "executing program\n", 18) = 18
[pid 5911] memfd_create("syzkaller", 0) = 3
[pid 5911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5911] 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 5911] munmap(0x7f4d42600000, 138412032) = 0
[pid 5911] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5911] close(3) = 0
[pid 5911] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5911] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5911] exit_group(0) = ?
[pid 5911] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5911, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5912 attached
, child_tidptr=0x555558284650) = 5912
[pid 5912] set_robust_list(0x555558284660, 24) = 0
[pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5912] setpgid(0, 0) = 0
[pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5912] write(3, "1000", 4) = 4
[pid 5912] close(3) = 0
[pid 5912] write(1, "executing program\n", 18executing program
) = 18
[pid 5912] memfd_create("syzkaller", 0) = 3
[pid 5912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4d42600000
[pid 5912] 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 5912] munmap(0x7f4d42600000, 138412032) = 0
[pid 5912] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5912] close(3) = 0
[pid 5912] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x04\x00\x06\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, XATTR_CREATE|XATTR_REPLACE) = 0
[pid 5912] openat(AT_FDCWD, "./file0", O_RDONLY|O_CREAT, 001) = -1 EISDIR (Is a directory)
[pid 5912] exit_group(0) = ?
[pid 5912] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5913 attached
, child_tidptr=0x555558284650) = 5913