./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3751855894
<...>
Warning: Permanently added '10.128.0.229' (ED25519) to the list of known hosts.
execve("./syz-executor3751855894", ["./syz-executor3751855894"], 0x7ffc3204bcc0 /* 10 vars */) = 0
brk(NULL) = 0x555556dd6000
brk(0x555556dd6d00) = 0x555556dd6d00
arch_prctl(ARCH_SET_FS, 0x555556dd6380) = 0
set_tid_address(0x555556dd6650) = 5061
set_robust_list(0x555556dd6660, 24) = 0
rseq(0x555556dd6ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3751855894", 4096) = 28
getrandom("\x42\x30\x88\xdc\x17\x89\x2c\xf0", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555556dd6d00
brk(0x555556df7d00) = 0x555556df7d00
brk(0x555556df8000) = 0x555556df8000
mprotect(0x7f181d080000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
[ 78.251530][ T27] audit: type=1400 audit(1703521648.187:83): avc: denied { execmem } for pid=5061 comm="syz-executor375" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 78.273415][ T27] audit: type=1400 audit(1703521648.217:84): avc: denied { read write } for pid=5061 comm="syz-executor375" name="loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dd6650) = 5063
./strace-static-x86_64: Process 5063 attached
[ 78.298348][ T27] audit: type=1400 audit(1703521648.217:85): avc: denied { open } for pid=5061 comm="syz-executor375" path="/dev/loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 78.322754][ T27] audit: type=1400 audit(1703521648.217:86): avc: denied { ioctl } for pid=5061 comm="syz-executor375" path="/dev/loop0" dev="devtmpfs" ino=648 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[pid 5063] set_robust_list(0x555556dd6660, 24) = 0
[pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5063] setpgid(0, 0) = 0
[pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5063] write(3, "1000", 4) = 4
[pid 5063] close(3) = 0
[pid 5063] memfd_create("syzkaller", 0) = 3
[pid 5063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[ 78.350363][ T27] audit: type=1400 audit(1703521648.237:87): avc: denied { append } for pid=4494 comm="syslogd" name="messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 78.372983][ T27] audit: type=1400 audit(1703521648.237:88): avc: denied { open } for pid=4494 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[pid 5063] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[ 78.396440][ T27] audit: type=1400 audit(1703521648.237:89): avc: denied { getattr } for pid=4494 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[pid 5063] munmap(0x7f1814bce000, 138412032) = 0
[pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5063] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5063] close(3) = 0
[pid 5063] mkdir("./file0", 0777) = 0
[ 78.468857][ T5063] loop0: detected capacity change from 0 to 8192
[ 78.484967][ T27] audit: type=1400 audit(1703521648.427:90): avc: denied { mounton } for pid=5063 comm="syz-executor375" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 78.501565][ T5063] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025
[ 78.521271][ T5063] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal
[ 78.531447][ T5063] REISERFS (device loop0): using ordered data mode
[ 78.537972][ T5063] reiserfs: using flush barriers
[ 78.545450][ T5063] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
[pid 5063] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "") = 0
[pid 5063] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5063] chdir("./file0") = 0
[pid 5063] ioctl(4, LOOP_CLR_FD) = 0
[pid 5063] close(4) = 0
[pid 5063] mkdir(".", 0777) = -1 EEXIST (File exists)
[ 78.562582][ T5063] REISERFS (device loop0): checking transaction log (loop0)
[ 78.573109][ T5063] REISERFS (device loop0): Using r5 hash to sort names
[ 78.582267][ T27] audit: type=1400 audit(1703521648.527:91): avc: denied { mount } for pid=5063 comm="syz-executor375" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nfs_t tclass=filesystem permissive=1
[pid 5063] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = 0
[pid 5063] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4
[pid 5063] chdir(".") = 0
[pid 5063] openat(AT_FDCWD, ".", O_RDONLY) = 5
[pid 5063] ioctl(5, FS_IOC_SETVERSION, 0) = -1 EFAULT (Bad address)
[ 78.641825][ T5063] reiserfs: enabling write barrier flush mode
[ 78.645239][ T27] audit: type=1400 audit(1703521648.587:92): avc: denied { remount } for pid=5063 comm="syz-executor375" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nfs_t tclass=filesystem permissive=1
[ 78.657990][ T5063] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
[ 78.712932][ T5063]
[ 78.715293][ T5063] ======================================================
[ 78.722300][ T5063] WARNING: possible circular locking dependency detected
[ 78.729317][ T5063] 6.7.0-rc7-syzkaller #0 Not tainted
[ 78.734588][ T5063] ------------------------------------------------------
[ 78.741595][ T5063] syz-executor375/5063 is trying to acquire lock:
[ 78.748088][ T5063] ffff88807ce06090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100
[ 78.757157][ T5063]
[ 78.757157][ T5063] but task is already holding lock:
[ 78.764518][ T5063] ffff88806ff039c0 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: do_unlinkat+0x284/0x740
[ 78.774367][ T5063]
[ 78.774367][ T5063] which lock already depends on the new lock.
[ 78.774367][ T5063]
[ 78.785107][ T5063]
[ 78.785107][ T5063] the existing dependency chain (in reverse order) is:
[ 78.794218][ T5063]
[ 78.794218][ T5063] -> #2 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}:
[ 78.802924][ T5063] down_write_nested+0x3d/0x50
[ 78.808254][ T5063] do_unlinkat+0x284/0x740
[ 78.813221][ T5063] __x64_sys_unlinkat+0xc1/0x130
[ 78.818675][ T5063] do_syscall_64+0x40/0x110
[ 78.823773][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 78.830513][ T5063]
[ 78.830513][ T5063] -> #1 (sb_writers#10){.+.+}-{0:0}:
[ 78.837985][ T5063] mnt_want_write_file+0x98/0x600
[ 78.843539][ T5063] reiserfs_ioctl+0x194/0x2e0
[ 78.849108][ T5063] __x64_sys_ioctl+0x18f/0x210
[ 78.854394][ T5063] do_syscall_64+0x40/0x110
[ 78.859418][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 78.865950][ T5063]
[ 78.865950][ T5063] -> #0 (&sbi->lock){+.+.}-{3:3}:
[ 78.873235][ T5063] __lock_acquire+0x2433/0x3b20
[ 78.878634][ T5063] lock_acquire+0x1ae/0x520
[ 78.883659][ T5063] __mutex_lock+0x175/0x9d0
[ 78.889126][ T5063] reiserfs_write_lock+0x79/0x100
[ 78.894798][ T5063] reiserfs_lookup+0x184/0x690
[ 78.900081][ T5063] lookup_one_qstr_excl+0x116/0x180
[ 78.905844][ T5063] do_unlinkat+0x29c/0x740
[ 78.910781][ T5063] __x64_sys_unlinkat+0xc1/0x130
[ 78.916372][ T5063] do_syscall_64+0x40/0x110
[ 78.921398][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 78.927820][ T5063]
[ 78.927820][ T5063] other info that might help us debug this:
[ 78.927820][ T5063]
[ 78.938131][ T5063] Chain exists of:
[ 78.938131][ T5063] &sbi->lock --> sb_writers#10 --> &type->i_mutex_dir_key#6/1
[ 78.938131][ T5063]
[ 78.951605][ T5063] Possible unsafe locking scenario:
[ 78.951605][ T5063]
[ 78.959088][ T5063] CPU0 CPU1
[ 78.964447][ T5063] ---- ----
[ 78.969808][ T5063] lock(&type->i_mutex_dir_key#6/1);
[ 78.975181][ T5063] lock(sb_writers#10);
[ 78.982037][ T5063] lock(&type->i_mutex_dir_key#6/1);
[ 78.989927][ T5063] lock(&sbi->lock);
[ 78.993921][ T5063]
[ 78.993921][ T5063] *** DEADLOCK ***
[ 78.993921][ T5063]
[ 79.002058][ T5063] 2 locks held by syz-executor375/5063:
[ 79.007591][ T5063] #0: ffff88802059e418 (sb_writers#10){.+.+}-{0:0}, at: do_unlinkat+0x1cf/0x740
[ 79.016842][ T5063] #1: ffff88806ff039c0 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: do_unlinkat+0x284/0x740
[ 79.027505][ T5063]
[ 79.027505][ T5063] stack backtrace:
[ 79.033389][ T5063] CPU: 0 PID: 5063 Comm: syz-executor375 Not tainted 6.7.0-rc7-syzkaller #0
[ 79.042232][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[ 79.052362][ T5063] Call Trace:
[ 79.055649][ T5063]
[ 79.058581][ T5063] dump_stack_lvl+0xd9/0x1b0
[ 79.063358][ T5063] check_noncircular+0x317/0x400
[ 79.068306][ T5063] ? print_circular_bug+0x5c0/0x5c0
[ 79.073598][ T5063] ? lockdep_lock+0xc6/0x200
[ 79.078192][ T5063] ? hlock_class+0x130/0x130
[ 79.082790][ T5063] __lock_acquire+0x2433/0x3b20
[ 79.087677][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420
[ 79.093749][ T5063] ? write_profile+0x450/0x450
[ 79.098542][ T5063] ? kernel_text_address+0x6e/0xd0
[ 79.103754][ T5063] ? __kernel_text_address+0xd/0x30
[ 79.108955][ T5063] ? unwind_get_return_address+0x45/0xe0
[ 79.114591][ T5063] lock_acquire+0x1ae/0x520
[ 79.119099][ T5063] ? reiserfs_write_lock+0x79/0x100
[ 79.124317][ T5063] ? lock_sync+0x190/0x190
[ 79.128734][ T5063] ? filter_irq_stacks+0x90/0x90
[ 79.133662][ T5063] ? preempt_count_sub+0x160/0x160
[ 79.138860][ T5063] __mutex_lock+0x175/0x9d0
[ 79.143371][ T5063] ? reiserfs_write_lock+0x79/0x100
[ 79.148558][ T5063] ? _find_first_zero_bit+0x94/0xb0
[ 79.153756][ T5063] ? reiserfs_write_lock+0x79/0x100
[ 79.158944][ T5063] ? mutex_trylock+0x130/0x130
[ 79.163707][ T5063] ? lockdep_unlock+0x11b/0x290
[ 79.168817][ T5063] ? reiserfs_write_lock+0x79/0x100
[ 79.174007][ T5063] reiserfs_write_lock+0x79/0x100
[ 79.179112][ T5063] reiserfs_lookup+0x184/0x690
[ 79.183909][ T5063] ? reiserfs_unlink+0x740/0x740
[ 79.188934][ T5063] ? d_alloc+0x1b2/0x220
[ 79.193275][ T5063] ? do_raw_spin_unlock+0x173/0x230
[ 79.198566][ T5063] ? _raw_spin_unlock+0x28/0x40
[ 79.203452][ T5063] ? d_alloc+0x1b7/0x220
[ 79.207859][ T5063] lookup_one_qstr_excl+0x116/0x180
[ 79.213110][ T5063] do_unlinkat+0x29c/0x740
[ 79.217522][ T5063] ? __ia32_sys_rmdir+0x110/0x110
[ 79.222551][ T5063] ? strncpy_from_user+0x214/0x300
[ 79.227679][ T5063] __x64_sys_unlinkat+0xc1/0x130
[ 79.232654][ T5063] do_syscall_64+0x40/0x110
[ 79.237163][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 79.243065][ T5063] RIP: 0033:0x7f181d00cb99
[ 79.247477][ T5063] 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
[ 79.267433][ T5063] RSP: 002b:00007ffdd54fdcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000107
[ 79.275845][ T5063] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f181d00cb99
[ 79.283819][ T5063] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005
[ 79.291969][ T5063] RBP: 00007f181d0805f0 R08: 0000555556dd74c0 R09: 0000555556dd74c0
[ 79.300376][ T5063] R10: 0000555556dd74c0 R11: 0000000000000246 R12: 00007ffdd54fdce0
[pid 5063] unlinkat(5, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5063] exit_group(0) = ?
[pid 5063] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5063, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=17 /* 0.17 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5065 attached
[ 79.308364][ T5063] R13: 00007ffdd54fdf08 R14: 431bde82d7b634db R15: 00007f181d05503b
[ 79.316343][ T5063]
, child_tidptr=0x555556dd6650) = 5065
[pid 5065] set_robust_list(0x555556dd6660, 24) = 0
[pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5065] setpgid(0, 0) = 0
[pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5065] write(3, "1000", 4) = 4
[pid 5065] close(3) = 0
[pid 5065] memfd_create("syzkaller", 0) = 3
[pid 5065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5065] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5065] munmap(0x7f1814bce000, 138412032) = 0
[pid 5065] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5065] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5065] ioctl(4, LOOP_CLR_FD) = 0
[pid 5065] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5065] close(4) = 0
[pid 5065] close(3) = 0
[pid 5065] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5065] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5065] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5065] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5065] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5065] exit_group(0) = ?
[pid 5065] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5065, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5066 attached
, child_tidptr=0x555556dd6650) = 5066
[ 79.564216][ T5065] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[pid 5066] set_robust_list(0x555556dd6660, 24) = 0
[pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5066] setpgid(0, 0) = 0
[pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5066] write(3, "1000", 4) = 4
[pid 5066] close(3) = 0
[pid 5066] memfd_create("syzkaller", 0) = 3
[pid 5066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5066] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5066] munmap(0x7f1814bce000, 138412032) = 0
[pid 5066] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5066] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5066] ioctl(4, LOOP_CLR_FD) = 0
[pid 5066] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5066] close(4) = 0
[pid 5066] close(3) = 0
[pid 5066] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5066] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5066] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5066] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5066] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5066] exit_group(0) = ?
[pid 5066] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5066, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=5 /* 0.05 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
[ 79.788056][ T5066] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5067 attached
, child_tidptr=0x555556dd6650) = 5067
[pid 5067] set_robust_list(0x555556dd6660, 24) = 0
[pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5067] setpgid(0, 0) = 0
[pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5067] write(3, "1000", 4) = 4
[pid 5067] close(3) = 0
[pid 5067] memfd_create("syzkaller", 0) = 3
[pid 5067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5067] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5067] munmap(0x7f1814bce000, 138412032) = 0
[pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5067] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5067] ioctl(4, LOOP_CLR_FD) = 0
[pid 5067] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5067] close(4) = 0
[pid 5067] close(3) = 0
[pid 5067] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5067] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5067] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5067] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5067] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5067] exit_group(0) = ?
[pid 5067] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5068 attached
, child_tidptr=0x555556dd6650) = 5068
[ 80.040454][ T5067] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[pid 5068] set_robust_list(0x555556dd6660, 24) = 0
[pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5068] setpgid(0, 0) = 0
[pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5068] write(3, "1000", 4) = 4
[pid 5068] close(3) = 0
[pid 5068] memfd_create("syzkaller", 0) = 3
[pid 5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5068] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5068] munmap(0x7f1814bce000, 138412032) = 0
[pid 5068] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5068] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5068] ioctl(4, LOOP_CLR_FD) = 0
[pid 5068] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5068] close(4) = 0
[pid 5068] close(3) = 0
[pid 5068] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5068] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5068] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5068] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5068] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5068] exit_group(0) = ?
[pid 5068] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
[ 80.273250][ T5068] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5069 attached
, child_tidptr=0x555556dd6650) = 5069
[pid 5069] set_robust_list(0x555556dd6660, 24) = 0
[pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5069] setpgid(0, 0) = 0
[pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5069] write(3, "1000", 4) = 4
[pid 5069] close(3) = 0
[pid 5069] memfd_create("syzkaller", 0) = 3
[pid 5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5069] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5069] munmap(0x7f1814bce000, 138412032) = 0
[pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5069] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5069] ioctl(4, LOOP_CLR_FD) = 0
[pid 5069] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5069] close(4) = 0
[pid 5069] close(3) = 0
[pid 5069] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5069] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5069] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5069] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5069] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5069] exit_group(0) = ?
[pid 5069] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[ 80.528212][ T5069] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5070 attached
[pid 5070] set_robust_list(0x555556dd6660, 24) = 0
[pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5070] setpgid(0, 0) = 0
[pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC
[pid 5061] <... clone resumed>, child_tidptr=0x555556dd6650) = 5070
[pid 5070] <... openat resumed>) = 3
[pid 5070] write(3, "1000", 4) = 4
[pid 5070] close(3) = 0
[pid 5070] memfd_create("syzkaller", 0) = 3
[pid 5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5070] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5070] munmap(0x7f1814bce000, 138412032) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5070] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5070] ioctl(4, LOOP_CLR_FD) = 0
[pid 5070] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5070] close(4) = 0
[pid 5070] close(3) = 0
[pid 5070] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5070] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5070] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5070] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5070] exit_group(0) = ?
[pid 5070] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dd6650) = 5071
./strace-static-x86_64: Process 5071 attached
[pid 5071] set_robust_list(0x555556dd6660, 24) = 0
[pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5071] setpgid(0, 0) = 0
[pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5071] write(3, "1000", 4) = 4
[pid 5071] close(3) = 0
[pid 5071] memfd_create("syzkaller", 0) = 3
[pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[ 80.785034][ T5070] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[pid 5071] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5071] munmap(0x7f1814bce000, 138412032) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5071] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5071] ioctl(4, LOOP_CLR_FD) = 0
[pid 5071] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5071] close(4) = 0
[pid 5071] close(3) = 0
[pid 5071] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5071] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5071] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5071] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5071] exit_group(0) = ?
[pid 5071] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
[ 80.945166][ T5071] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5072 attached
, child_tidptr=0x555556dd6650) = 5072
[pid 5072] set_robust_list(0x555556dd6660, 24) = 0
[pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5072] setpgid(0, 0) = 0
[pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5072] write(3, "1000", 4) = 4
[pid 5072] close(3) = 0
[pid 5072] memfd_create("syzkaller", 0) = 3
[pid 5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5072] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5072] munmap(0x7f1814bce000, 138412032) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5072] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5072] ioctl(4, LOOP_CLR_FD) = 0
[pid 5072] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5072] close(4) = 0
[pid 5072] close(3) = 0
[pid 5072] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5072] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5072] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5072] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5072] exit_group(0) = ?
[pid 5072] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5073 attached
[pid 5073] set_robust_list(0x555556dd6660, 24) = 0
[pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5073] setpgid(0, 0) = 0
[ 81.243451][ T5072] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC
[pid 5061] <... clone resumed>, child_tidptr=0x555556dd6650) = 5073
[pid 5073] <... openat resumed>) = 3
[pid 5073] write(3, "1000", 4) = 4
[pid 5073] close(3) = 0
[pid 5073] memfd_create("syzkaller", 0) = 3
[pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5073] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5073] munmap(0x7f1814bce000, 138412032) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5073] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5073] ioctl(4, LOOP_CLR_FD) = 0
[pid 5073] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5073] close(4) = 0
[pid 5073] close(3) = 0
[pid 5073] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5073] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5073] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5073] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5073] exit_group(0) = ?
[pid 5073] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5074 attached
, child_tidptr=0x555556dd6650) = 5074
[pid 5074] set_robust_list(0x555556dd6660, 24) = 0
[pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[ 81.455941][ T5073] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[pid 5074] setpgid(0, 0) = 0
[pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5074] write(3, "1000", 4) = 4
[pid 5074] close(3) = 0
[pid 5074] memfd_create("syzkaller", 0) = 3
[pid 5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5074] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5074] munmap(0x7f1814bce000, 138412032) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5074] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5074] ioctl(4, LOOP_CLR_FD) = 0
[pid 5074] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5074] close(4) = 0
[pid 5074] close(3) = 0
[pid 5074] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5074] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5074] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5074] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5074] exit_group(0) = ?
[pid 5074] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5075 attached
[ 81.696048][ T5074] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
, child_tidptr=0x555556dd6650) = 5075
[pid 5075] set_robust_list(0x555556dd6660, 24) = 0
[pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5075] setpgid(0, 0) = 0
[pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5075] write(3, "1000", 4) = 4
[pid 5075] close(3) = 0
[pid 5075] memfd_create("syzkaller", 0) = 3
[pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5075] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5075] munmap(0x7f1814bce000, 138412032) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5075] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5075] ioctl(4, LOOP_CLR_FD) = 0
[pid 5075] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5075] close(4) = 0
[pid 5075] close(3) = 0
[pid 5075] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5075] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5075] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5075] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5075] exit_group(0) = ?
[pid 5075] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5076 attached
, child_tidptr=0x555556dd6650) = 5076
[pid 5076] set_robust_list(0x555556dd6660, 24) = 0
[pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5076] setpgid(0, 0) = 0
[pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5076] write(3, "1000", 4) = 4
[pid 5076] close(3) = 0
[pid 5076] memfd_create("syzkaller", 0) = 3
[pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5076] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5076] munmap(0x7f1814bce000, 138412032) = 0
[pid 5076] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5076] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5076] ioctl(4, LOOP_CLR_FD) = 0
[pid 5076] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5076] close(4) = 0
[pid 5076] close(3) = 0
[pid 5076] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5076] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5076] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5076] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5076] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5076] exit_group(0) = ?
[pid 5076] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5077 attached
, child_tidptr=0x555556dd6650) = 5077
[pid 5077] set_robust_list(0x555556dd6660, 24) = 0
[pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5077] setpgid(0, 0) = 0
[pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5077] write(3, "1000", 4) = 4
[pid 5077] close(3) = 0
[pid 5077] memfd_create("syzkaller", 0) = 3
[pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5077] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5077] munmap(0x7f1814bce000, 138412032) = 0
[pid 5077] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5077] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5077] ioctl(4, LOOP_CLR_FD) = 0
[pid 5077] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5077] close(4) = 0
[pid 5077] close(3) = 0
[pid 5077] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5077] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5077] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5077] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5077] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5077] exit_group(0) = ?
[pid 5077] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dd6650) = 5078
./strace-static-x86_64: Process 5078 attached
[pid 5078] set_robust_list(0x555556dd6660, 24) = 0
[pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5078] setpgid(0, 0) = 0
[pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5078] write(3, "1000", 4) = 4
[pid 5078] close(3) = 0
[pid 5078] memfd_create("syzkaller", 0) = 3
[pid 5078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5078] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5078] munmap(0x7f1814bce000, 138412032) = 0
[pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5078] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5078] ioctl(4, LOOP_CLR_FD) = 0
[pid 5078] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5078] close(4) = 0
[pid 5078] close(3) = 0
[pid 5078] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5078] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5078] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5078] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5078] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5078] exit_group(0) = ?
[pid 5078] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5079 attached
, child_tidptr=0x555556dd6650) = 5079
[pid 5079] set_robust_list(0x555556dd6660, 24) = 0
[pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5079] setpgid(0, 0) = 0
[pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5079] write(3, "1000", 4) = 4
[pid 5079] close(3) = 0
[pid 5079] memfd_create("syzkaller", 0) = 3
[pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5079] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5079] munmap(0x7f1814bce000, 138412032) = 0
[pid 5079] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5079] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5079] ioctl(4, LOOP_CLR_FD) = 0
[pid 5079] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5079] close(4) = 0
[pid 5079] close(3) = 0
[pid 5079] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5079] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5079] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5079] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5079] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5079] exit_group(0) = ?
[pid 5079] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dd6650) = 5080
./strace-static-x86_64: Process 5080 attached
[pid 5080] set_robust_list(0x555556dd6660, 24) = 0
[pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5080] setpgid(0, 0) = 0
[pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5080] write(3, "1000", 4) = 4
[pid 5080] close(3) = 0
[pid 5080] memfd_create("syzkaller", 0) = 3
[pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5080] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5080] munmap(0x7f1814bce000, 138412032) = 0
[pid 5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5080] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5080] ioctl(4, LOOP_CLR_FD) = 0
[pid 5080] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5080] close(4) = 0
[pid 5080] close(3) = 0
[pid 5080] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5080] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5080] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5080] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5080] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5080] exit_group(0) = ?
[pid 5080] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5081 attached
, child_tidptr=0x555556dd6650) = 5081
[pid 5081] set_robust_list(0x555556dd6660, 24) = 0
[pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5081] setpgid(0, 0) = 0
[pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5081] write(3, "1000", 4) = 4
[pid 5081] close(3) = 0
[pid 5081] memfd_create("syzkaller", 0) = 3
[pid 5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5081] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5081] munmap(0x7f1814bce000, 138412032) = 0
[pid 5081] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5081] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5081] ioctl(4, LOOP_CLR_FD) = 0
[pid 5081] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5081] close(4) = 0
[pid 5081] close(3) = 0
[pid 5081] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5081] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5081] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5081] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5081] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5081] exit_group(0) = ?
[pid 5081] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5082 attached
[pid 5082] set_robust_list(0x555556dd6660, 24
[pid 5061] <... clone resumed>, child_tidptr=0x555556dd6650) = 5082
[pid 5082] <... set_robust_list resumed>) = 0
[pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5082] setpgid(0, 0) = 0
[pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5082] write(3, "1000", 4) = 4
[pid 5082] close(3) = 0
[pid 5082] memfd_create("syzkaller", 0) = 3
[pid 5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5082] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5082] munmap(0x7f1814bce000, 138412032) = 0
[pid 5082] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5082] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5082] ioctl(4, LOOP_CLR_FD) = 0
[pid 5082] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5082] close(4) = 0
[pid 5082] close(3) = 0
[pid 5082] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5082] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5082] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5082] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5082] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5082] exit_group(0) = ?
[pid 5082] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5083 attached
, child_tidptr=0x555556dd6650) = 5083
[pid 5083] set_robust_list(0x555556dd6660, 24) = 0
[pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5083] setpgid(0, 0) = 0
[pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5083] write(3, "1000", 4) = 4
[pid 5083] close(3) = 0
[pid 5083] memfd_create("syzkaller", 0) = 3
[pid 5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5083] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5083] munmap(0x7f1814bce000, 138412032) = 0
[pid 5083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5083] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5083] ioctl(4, LOOP_CLR_FD) = 0
[pid 5083] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5083] close(4) = 0
[pid 5083] close(3) = 0
[pid 5083] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5083] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5083] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5083] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5083] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5083] exit_group(0) = ?
[pid 5083] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5084 attached
, child_tidptr=0x555556dd6650) = 5084
[pid 5084] set_robust_list(0x555556dd6660, 24) = 0
[pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5084] setpgid(0, 0) = 0
[pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5084] write(3, "1000", 4) = 4
[pid 5084] close(3) = 0
[pid 5084] memfd_create("syzkaller", 0) = 3
[pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5084] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5084] munmap(0x7f1814bce000, 138412032) = 0
[pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5084] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5084] ioctl(4, LOOP_CLR_FD) = 0
[pid 5084] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5084] close(4) = 0
[pid 5084] close(3) = 0
[pid 5084] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5084] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5084] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5084] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5084] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5084] exit_group(0) = ?
[pid 5084] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5085 attached
[pid 5085] set_robust_list(0x555556dd6660, 24) = 0
[pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5085] setpgid(0, 0) = 0
[pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC
[pid 5061] <... clone resumed>, child_tidptr=0x555556dd6650) = 5085
[pid 5085] <... openat resumed>) = 3
[pid 5085] write(3, "1000", 4) = 4
[pid 5085] close(3) = 0
[pid 5085] memfd_create("syzkaller", 0) = 3
[pid 5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5085] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5085] munmap(0x7f1814bce000, 138412032) = 0
[pid 5085] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5085] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5085] ioctl(4, LOOP_CLR_FD) = 0
[pid 5085] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5085] close(4) = 0
[pid 5085] close(3) = 0
[pid 5085] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5085] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5085] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5085] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5085] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5085] exit_group(0) = ?
[pid 5085] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5086 attached
[pid 5086] set_robust_list(0x555556dd6660, 24) = 0
[pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5086] setpgid(0, 0) = 0
[pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC
[pid 5061] <... clone resumed>, child_tidptr=0x555556dd6650) = 5086
[pid 5086] <... openat resumed>) = 3
[pid 5086] write(3, "1000", 4) = 4
[pid 5086] close(3) = 0
[pid 5086] memfd_create("syzkaller", 0) = 3
[pid 5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5086] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5086] munmap(0x7f1814bce000, 138412032) = 0
[pid 5086] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5086] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5086] ioctl(4, LOOP_CLR_FD) = 0
[pid 5086] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5086] close(4) = 0
[pid 5086] close(3) = 0
[pid 5086] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5086] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5086] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5086] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5086] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5086] exit_group(0) = ?
[pid 5086] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5087 attached
, child_tidptr=0x555556dd6650) = 5087
[pid 5087] set_robust_list(0x555556dd6660, 24) = 0
[pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5087] setpgid(0, 0) = 0
[pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5087] write(3, "1000", 4) = 4
[pid 5087] close(3) = 0
[pid 5087] memfd_create("syzkaller", 0) = 3
[pid 5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5087] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5087] munmap(0x7f1814bce000, 138412032) = 0
[pid 5087] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5087] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5087] ioctl(4, LOOP_CLR_FD) = 0
[pid 5087] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5087] close(4) = 0
[pid 5087] close(3) = 0
[pid 5087] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5087] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5087] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5087] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5087] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5087] exit_group(0) = ?
[pid 5087] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5088 attached
, child_tidptr=0x555556dd6650) = 5088
[pid 5088] set_robust_list(0x555556dd6660, 24) = 0
[ 84.638118][ T5087] EXT4-fs warning: 12 callbacks suppressed
[ 84.638136][ T5087] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5088] setpgid(0, 0) = 0
[pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5088] write(3, "1000", 4) = 4
[pid 5088] close(3) = 0
[pid 5088] memfd_create("syzkaller", 0) = 3
[pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5088] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5088] munmap(0x7f1814bce000, 138412032) = 0
[pid 5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5088] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5088] ioctl(4, LOOP_CLR_FD) = 0
[pid 5088] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5088] close(4) = 0
[pid 5088] close(3) = 0
[pid 5088] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5088] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5088] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5088] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5088] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5088] exit_group(0) = ?
[pid 5088] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached
, child_tidptr=0x555556dd6650) = 5089
[ 84.926555][ T5088] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[pid 5089] set_robust_list(0x555556dd6660, 24) = 0
[pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5089] setpgid(0, 0) = 0
[pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5089] write(3, "1000", 4) = 4
[pid 5089] close(3) = 0
[pid 5089] memfd_create("syzkaller", 0) = 3
[pid 5089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5089] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5089] munmap(0x7f1814bce000, 138412032) = 0
[pid 5089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5089] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5089] ioctl(4, LOOP_CLR_FD) = 0
[pid 5089] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5089] close(4) = 0
[pid 5089] close(3) = 0
[pid 5089] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5089] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5089] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5089] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5089] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5089] exit_group(0) = ?
[pid 5089] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
[ 85.202071][ T5089] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5090 attached
, child_tidptr=0x555556dd6650) = 5090
[pid 5090] set_robust_list(0x555556dd6660, 24) = 0
[pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5090] setpgid(0, 0) = 0
[pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5090] write(3, "1000", 4) = 4
[pid 5090] close(3) = 0
[pid 5090] memfd_create("syzkaller", 0) = 3
[pid 5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5090] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5090] munmap(0x7f1814bce000, 138412032) = 0
[pid 5090] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5090] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5090] ioctl(4, LOOP_CLR_FD) = 0
[pid 5090] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5090] close(4) = 0
[pid 5090] close(3) = 0
[pid 5090] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5090] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5090] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5090] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5090] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5090] exit_group(0) = ?
[pid 5090] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached
, child_tidptr=0x555556dd6650) = 5091
[pid 5091] set_robust_list(0x555556dd6660, 24) = 0
[pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[ 85.477493][ T5090] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[pid 5091] setpgid(0, 0) = 0
[pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5091] write(3, "1000", 4) = 4
[pid 5091] close(3) = 0
[pid 5091] memfd_create("syzkaller", 0) = 3
[pid 5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5091] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5091] munmap(0x7f1814bce000, 138412032) = 0
[pid 5091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5091] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5091] ioctl(4, LOOP_CLR_FD) = 0
[pid 5091] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5091] close(4) = 0
[pid 5091] close(3) = 0
[pid 5091] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5091] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5091] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5091] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5091] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5091] exit_group(0) = ?
[pid 5091] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5092 attached
, child_tidptr=0x555556dd6650) = 5092
[pid 5092] set_robust_list(0x555556dd6660, 24) = 0
[pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5092] setpgid(0, 0) = 0
[ 85.710518][ T5091] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5092] write(3, "1000", 4) = 4
[pid 5092] close(3) = 0
[pid 5092] memfd_create("syzkaller", 0) = 3
[pid 5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5092] munmap(0x7f1814bce000, 138412032) = 0
[pid 5092] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5092] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5092] ioctl(4, LOOP_CLR_FD) = 0
[pid 5092] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5092] close(4) = 0
[pid 5092] close(3) = 0
[pid 5092] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5092] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5092] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5092] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5092] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5092] exit_group(0) = ?
[pid 5092] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
[ 85.953246][ T5092] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5093 attached
[pid 5093] set_robust_list(0x555556dd6660, 24) = 0
[pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5093] setpgid(0, 0) = 0
[pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC
[pid 5061] <... clone resumed>, child_tidptr=0x555556dd6650) = 5093
[pid 5093] <... openat resumed>) = 3
[pid 5093] write(3, "1000", 4) = 4
[pid 5093] close(3) = 0
[pid 5093] memfd_create("syzkaller", 0) = 3
[pid 5093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5093] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5093] munmap(0x7f1814bce000, 138412032) = 0
[pid 5093] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5093] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5093] ioctl(4, LOOP_CLR_FD) = 0
[pid 5093] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5093] close(4) = 0
[pid 5093] close(3) = 0
[pid 5093] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5093] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5093] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5093] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5093] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5093] exit_group(0) = ?
[pid 5093] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5094 attached
[pid 5094] set_robust_list(0x555556dd6660, 24) = 0
[pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5061] <... clone resumed>, child_tidptr=0x555556dd6650) = 5094
[pid 5094] <... prctl resumed>) = 0
[pid 5094] setpgid(0, 0) = 0
[ 86.174529][ T5093] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5094] write(3, "1000", 4) = 4
[pid 5094] close(3) = 0
[pid 5094] memfd_create("syzkaller", 0) = 3
[pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5094] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5094] munmap(0x7f1814bce000, 138412032) = 0
[pid 5094] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5094] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5094] ioctl(4, LOOP_CLR_FD) = 0
[pid 5094] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5094] close(4) = 0
[pid 5094] close(3) = 0
[pid 5094] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5094] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5094] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5094] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5094] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5094] exit_group(0) = ?
[pid 5094] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[ 86.424369][ T5094] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached
[pid 5095] set_robust_list(0x555556dd6660, 24) = 0
[pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5095] setpgid(0, 0) = 0
[pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC
[pid 5061] <... clone resumed>, child_tidptr=0x555556dd6650) = 5095
[pid 5095] <... openat resumed>) = 3
[pid 5095] write(3, "1000", 4) = 4
[pid 5095] close(3) = 0
[pid 5095] memfd_create("syzkaller", 0) = 3
[pid 5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5095] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5095] munmap(0x7f1814bce000, 138412032) = 0
[pid 5095] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5095] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5095] ioctl(4, LOOP_CLR_FD) = 0
[pid 5095] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5095] close(4) = 0
[pid 5095] close(3) = 0
[pid 5095] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5095] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5095] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5095] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5095] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5095] exit_group(0) = ?
[pid 5095] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[ 86.705451][ T5095] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached
[pid 5096] set_robust_list(0x555556dd6660, 24) = 0
[pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5096] setpgid(0, 0
[pid 5061] <... clone resumed>, child_tidptr=0x555556dd6650) = 5096
[pid 5096] <... setpgid resumed>) = 0
[pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5096] write(3, "1000", 4) = 4
[pid 5096] close(3) = 0
[pid 5096] memfd_create("syzkaller", 0) = 3
[pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5096] munmap(0x7f1814bce000, 138412032) = 0
[pid 5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5096] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5096] ioctl(4, LOOP_CLR_FD) = 0
[pid 5096] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5096] close(4) = 0
[pid 5096] close(3) = 0
[pid 5096] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5096] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5096] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5096] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5096] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5096] exit_group(0) = ?
[pid 5096] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
[ 86.977790][ T5096] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5097 attached
, child_tidptr=0x555556dd6650) = 5097
[pid 5097] set_robust_list(0x555556dd6660, 24) = 0
[pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5097] setpgid(0, 0) = 0
[pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5097] write(3, "1000", 4) = 4
[pid 5097] close(3) = 0
[pid 5097] memfd_create("syzkaller", 0) = 3
[pid 5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5097] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5097] munmap(0x7f1814bce000, 138412032) = 0
[pid 5097] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5097] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5097] ioctl(4, LOOP_CLR_FD) = 0
[pid 5097] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5097] close(4) = 0
[pid 5097] close(3) = 0
[pid 5097] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5097] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5097] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5097] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5097] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5097] exit_group(0) = ?
[pid 5097] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5098 attached
[pid 5098] set_robust_list(0x555556dd6660, 24) = 0
[pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5098] setpgid(0, 0) = 0
[pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC
[pid 5061] <... clone resumed>, child_tidptr=0x555556dd6650) = 5098
[pid 5098] <... openat resumed>) = 3
[pid 5098] write(3, "1000", 4) = 4
[pid 5098] close(3) = 0
[pid 5098] memfd_create("syzkaller", 0) = 3
[pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5098] munmap(0x7f1814bce000, 138412032) = 0
[pid 5098] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5098] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5098] ioctl(4, LOOP_CLR_FD) = 0
[pid 5098] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5098] close(4) = 0
[pid 5098] close(3) = 0
[pid 5098] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5098] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5098] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5098] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5098] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5098] exit_group(0) = ?
[pid 5098] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
[ 87.432546][ T8] cfg80211: failed to load regulatory.db
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5099 attached
, child_tidptr=0x555556dd6650) = 5099
[pid 5099] set_robust_list(0x555556dd6660, 24) = 0
[pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5099] setpgid(0, 0) = 0
[pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5099] write(3, "1000", 4) = 4
[pid 5099] close(3) = 0
[pid 5099] memfd_create("syzkaller", 0) = 3
[pid 5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5099] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5099] munmap(0x7f1814bce000, 138412032) = 0
[pid 5099] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5099] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5099] ioctl(4, LOOP_CLR_FD) = 0
[pid 5099] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5099] close(4) = 0
[pid 5099] close(3) = 0
[pid 5099] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5099] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5099] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5099] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5099] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5099] exit_group(0) = ?
[pid 5099] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5100 attached
, child_tidptr=0x555556dd6650) = 5100
[pid 5100] set_robust_list(0x555556dd6660, 24) = 0
[pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5100] setpgid(0, 0) = 0
[pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5100] write(3, "1000", 4) = 4
[pid 5100] close(3) = 0
[pid 5100] memfd_create("syzkaller", 0) = 3
[pid 5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5100] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5100] munmap(0x7f1814bce000, 138412032) = 0
[pid 5100] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5100] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5100] ioctl(4, LOOP_CLR_FD) = 0
[pid 5100] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5100] close(4) = 0
[pid 5100] close(3) = 0
[pid 5100] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5100] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5100] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5100] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5100] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5100] exit_group(0) = ?
[pid 5100] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached
, child_tidptr=0x555556dd6650) = 5101
[pid 5101] set_robust_list(0x555556dd6660, 24) = 0
[pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5101] setpgid(0, 0) = 0
[pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5101] write(3, "1000", 4) = 4
[pid 5101] close(3) = 0
[pid 5101] memfd_create("syzkaller", 0) = 3
[pid 5101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5101] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5101] munmap(0x7f1814bce000, 138412032) = 0
[pid 5101] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5101] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5101] ioctl(4, LOOP_CLR_FD) = 0
[pid 5101] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5101] close(4) = 0
[pid 5101] close(3) = 0
[pid 5101] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5101] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5101] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5101] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5101] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5101] exit_group(0) = ?
[pid 5101] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached
[pid 5102] set_robust_list(0x555556dd6660, 24) = 0
[pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5102] setpgid(0, 0) = 0
[pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC
[pid 5061] <... clone resumed>, child_tidptr=0x555556dd6650) = 5102
[pid 5102] <... openat resumed>) = 3
[pid 5102] write(3, "1000", 4) = 4
[pid 5102] close(3) = 0
[pid 5102] memfd_create("syzkaller", 0) = 3
[pid 5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5102] munmap(0x7f1814bce000, 138412032) = 0
[pid 5102] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5102] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5102] ioctl(4, LOOP_CLR_FD) = 0
[pid 5102] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5102] close(4) = 0
[pid 5102] close(3) = 0
[pid 5102] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5102] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5102] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5102] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5102] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5102] exit_group(0) = ?
[pid 5102] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached
, child_tidptr=0x555556dd6650) = 5103
[pid 5103] set_robust_list(0x555556dd6660, 24) = 0
[pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5103] setpgid(0, 0) = 0
[pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5103] write(3, "1000", 4) = 4
[pid 5103] close(3) = 0
[pid 5103] memfd_create("syzkaller", 0) = 3
[pid 5103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5103] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5103] munmap(0x7f1814bce000, 138412032) = 0
[pid 5103] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5103] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5103] ioctl(4, LOOP_CLR_FD) = 0
[pid 5103] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5103] close(4) = 0
[pid 5103] close(3) = 0
[pid 5103] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5103] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5103] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5103] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5103] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)
[pid 5103] exit_group(0) = ?
[pid 5103] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5104 attached
[pid 5104] set_robust_list(0x555556dd6660, 24) = 0
[pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5104] setpgid(0, 0) = 0
[pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5061] <... clone resumed>, child_tidptr=0x555556dd6650) = 5104
[pid 5104] write(3, "1000", 4) = 4
[pid 5104] close(3) = 0
[pid 5104] memfd_create("syzkaller", 0) = 3
[pid 5104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1814bce000
[pid 5104] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304
[pid 5104] munmap(0x7f1814bce000, 138412032) = 0
[pid 5104] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5104] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5104] ioctl(4, LOOP_CLR_FD) = 0
[pid 5104] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5104] close(4) = 0
[pid 5104] close(3) = 0
[pid 5104] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5104] mount(NULL, ".", 0x200000c0, MS_NODEV|MS_NOEXEC|MS_REMOUNT|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME|MS_SILENT|MS_UNBINDABLE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5104] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5104] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5104] unlinkat(3, "./file0", 0) = -1 EISDIR (Is a directory)