./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2333109874
<...>
Warning: Permanently added '10.128.0.148' (ED25519) to the list of known hosts.
execve("./syz-executor2333109874", ["./syz-executor2333109874"], 0x7ffffe604300 /* 10 vars */) = 0
brk(NULL) = 0x55555661f000
brk(0x55555661fd00) = 0x55555661fd00
arch_prctl(ARCH_SET_FS, 0x55555661f380) = 0
set_tid_address(0x55555661f650) = 5062
set_robust_list(0x55555661f660, 24) = 0
rseq(0x55555661fca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2333109874", 4096) = 28
getrandom("\x2b\x4e\x6b\xc8\x90\xc2\x99\x6e", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555661fd00
brk(0x555556640d00) = 0x555556640d00
brk(0x555556641000) = 0x555556641000
mprotect(0x7fd1884c2000, 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)
[ 106.046337][ T27] audit: type=1400 audit(1702880402.148:83): avc: denied { execmem } for pid=5062 comm="syz-executor233" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 106.071695][ T27] audit: type=1400 audit(1702880402.178:84): avc: denied { append } for pid=4490 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
[ 106.093978][ T27] audit: type=1400 audit(1702880402.178:85): avc: denied { open } for pid=4490 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
[ 106.116471][ T27] audit: type=1400 audit(1702880402.178:86): avc: denied { getattr } for pid=4490 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
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5063 attached
, child_tidptr=0x55555661f650) = 5063
[pid 5063] set_robust_list(0x55555661f660, 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) = 0x7fd180010000
[ 106.140010][ T27] audit: type=1400 audit(1702880402.178:87): avc: denied { read write } for pid=5062 comm="syz-executor233" 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
[ 106.167523][ T27] audit: type=1400 audit(1702880402.188:88): avc: denied { open } for pid=5062 comm="syz-executor233" 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
[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
[pid 5063] munmap(0x7fd180010000, 138412032) = 0
[pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 106.204805][ T27] audit: type=1400 audit(1702880402.198:89): avc: denied { ioctl } for pid=5062 comm="syz-executor233" 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] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5063] close(3) = 0
[pid 5063] mkdir("./file0", 0777) = 0
[ 106.286098][ T5063] loop0: detected capacity change from 0 to 8192
[ 106.309940][ T27] audit: type=1400 audit(1702880402.408:90): avc: denied { mounton } for pid=5063 comm="syz-executor233" path="/root/file0" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 106.317050][ T5063] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025
[ 106.346612][ T5063] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal
[ 106.357616][ T5063] REISERFS (device loop0): using ordered data mode
[ 106.364754][ T5063] reiserfs: using flush barriers
[ 106.379885][ 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
[ 106.397253][ T5063] REISERFS (device loop0): checking transaction log (loop0)
[ 106.408078][ T5063] REISERFS (device loop0): Using tea hash to sort names
[pid 5063] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_SYNCHRONOUS|MS_REC, "") = 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] openat(AT_FDCWD, ".", O_RDONLY) = 4
[pid 5063] ioctl(4, FS_IOC_SETVERSION, 0) = -1 EROFS (Read-only file system)
[pid 5063] mkdir(".", 0777) = -1 EEXIST (File exists)
[ 106.418755][ T27] audit: type=1400 audit(1702880402.518:91): avc: denied { mount } for pid=5063 comm="syz-executor233" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nfs_t tclass=filesystem permissive=1
[ 106.471737][ T5063] =======================================================
[ 106.471737][ T5063] WARNING: The mand mount option has been deprecated and
[ 106.471737][ T5063] and is ignored by this kernel. Remove the mand
[ 106.471737][ T5063] option from the mount to silence this warning.
[ 106.471737][ T5063] =======================================================
[pid 5063] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = 0
[pid 5063] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 5
[pid 5063] chdir(".") = 0
[ 106.506777][ T27] audit: type=1400 audit(1702880402.578:92): avc: denied { remount } for pid=5063 comm="syz-executor233" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nfs_t tclass=filesystem permissive=1
[ 106.507388][ T5063] reiserfs: enabling write barrier flush mode
[ 106.542792][ T5063] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
[ 106.560601][ T5063]
[ 106.562993][ T5063] ======================================================
[ 106.570107][ T5063] WARNING: possible circular locking dependency detected
[ 106.577258][ T5063] 6.7.0-rc5-syzkaller-00270-g0e389834672c #0 Not tainted
[ 106.584298][ T5063] ------------------------------------------------------
[ 106.591321][ T5063] syz-executor233/5063 is trying to acquire lock:
[ 106.597820][ T5063] ffff8880759b49c0 (&type->i_mutex_dir_key#6){+.+.}-{3:3}, at: path_openat+0x8bd/0x2c50
[ 106.607664][ T5063]
[ 106.607664][ T5063] but task is already holding lock:
[ 106.615043][ T5063] ffff888079afc418 (sb_writers#10){.+.+}-{0:0}, at: path_openat+0x19f6/0x2c50
[ 106.623960][ T5063]
[ 106.623960][ T5063] which lock already depends on the new lock.
[ 106.623960][ T5063]
[ 106.634386][ T5063]
[ 106.634386][ T5063] the existing dependency chain (in reverse order) is:
[ 106.643404][ T5063]
[ 106.643404][ T5063] -> #2 (sb_writers#10){.+.+}-{0:0}:
[ 106.651030][ T5063] mnt_want_write_file+0x98/0x600
[ 106.656630][ T5063] reiserfs_ioctl+0x194/0x2e0
[ 106.661858][ T5063] __x64_sys_ioctl+0x18f/0x210
[ 106.667177][ T5063] do_syscall_64+0x40/0x110
[ 106.672240][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 106.678709][ T5063]
[ 106.678709][ T5063] -> #1 (&sbi->lock){+.+.}-{3:3}:
[ 106.685997][ T5063] __mutex_lock+0x175/0x9d0
[ 106.691077][ T5063] reiserfs_write_lock+0x79/0x100
[ 106.696644][ T5063] reiserfs_lookup+0x184/0x690
[ 106.701965][ T5063] __lookup_slow+0x24d/0x450
[ 106.707103][ T5063] lookup_one_len+0x17d/0x1b0
[ 106.712340][ T5063] reiserfs_lookup_privroot+0x94/0x200
[ 106.718361][ T5063] reiserfs_fill_super+0x1ab6/0x3160
[ 106.724240][ T5063] mount_bdev+0x1f3/0x2e0
[ 106.729257][ T5063] legacy_get_tree+0x109/0x220
[ 106.734583][ T5063] vfs_get_tree+0x8c/0x370
[ 106.739579][ T5063] path_mount+0x1492/0x1ed0
[ 106.744654][ T5063] __x64_sys_mount+0x293/0x310
[ 106.750006][ T5063] do_syscall_64+0x40/0x110
[ 106.755067][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 106.761533][ T5063]
[ 106.761533][ T5063] -> #0 (&type->i_mutex_dir_key#6){+.+.}-{3:3}:
[ 106.769994][ T5063] __lock_acquire+0x2433/0x3b20
[ 106.775396][ T5063] lock_acquire+0x1ae/0x520
[ 106.780453][ T5063] down_write+0x3a/0x50
[ 106.785147][ T5063] path_openat+0x8bd/0x2c50
[ 106.790205][ T5063] do_filp_open+0x1de/0x430
[ 106.795258][ T5063] do_sys_openat2+0x176/0x1e0
[ 106.800475][ T5063] __x64_sys_openat+0x175/0x210
[ 106.805866][ T5063] do_syscall_64+0x40/0x110
[ 106.810921][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 106.817400][ T5063]
[ 106.817400][ T5063] other info that might help us debug this:
[ 106.817400][ T5063]
[ 106.827637][ T5063] Chain exists of:
[ 106.827637][ T5063] &type->i_mutex_dir_key#6 --> &sbi->lock --> sb_writers#10
[ 106.827637][ T5063]
[ 106.840974][ T5063] Possible unsafe locking scenario:
[ 106.840974][ T5063]
[ 106.848432][ T5063] CPU0 CPU1
[ 106.853805][ T5063] ---- ----
[ 106.859177][ T5063] rlock(sb_writers#10);
[ 106.863531][ T5063] lock(&sbi->lock);
[ 106.870056][ T5063] lock(sb_writers#10);
[ 106.876841][ T5063] lock(&type->i_mutex_dir_key#6);
[ 106.882150][ T5063]
[ 106.882150][ T5063] *** DEADLOCK ***
[ 106.882150][ T5063]
[ 106.890510][ T5063] 1 lock held by syz-executor233/5063:
[ 106.896041][ T5063] #0: ffff888079afc418 (sb_writers#10){.+.+}-{0:0}, at: path_openat+0x19f6/0x2c50
[ 106.905426][ T5063]
[ 106.905426][ T5063] stack backtrace:
[ 106.911322][ T5063] CPU: 0 PID: 5063 Comm: syz-executor233 Not tainted 6.7.0-rc5-syzkaller-00270-g0e389834672c #0
[ 106.921852][ T5063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[ 106.931919][ T5063] Call Trace:
[ 106.935300][ T5063]
[ 106.938255][ T5063] dump_stack_lvl+0xd9/0x1b0
[ 106.942895][ T5063] check_noncircular+0x317/0x400
[ 106.947884][ T5063] ? print_circular_bug+0x5c0/0x5c0
[ 106.953141][ T5063] ? lockdep_lock+0xc6/0x200
[ 106.957761][ T5063] ? lockdep_lock+0xc6/0x200
[ 106.962404][ T5063] ? hlock_class+0x130/0x130
[ 106.967045][ T5063] __lock_acquire+0x2433/0x3b20
[ 106.971959][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420
[ 106.977980][ T5063] ? lock_acquire+0x1ae/0x520
[ 106.982689][ T5063] ? find_held_lock+0x2d/0x110
[ 106.987483][ T5063] lock_acquire+0x1ae/0x520
[ 106.992019][ T5063] ? path_openat+0x8bd/0x2c50
[ 106.996727][ T5063] ? lock_sync+0x190/0x190
[ 107.001178][ T5063] ? preempt_count_sub+0x160/0x160
[ 107.006351][ T5063] ? mnt_get_write_access+0x20c/0x300
[ 107.011764][ T5063] down_write+0x3a/0x50
[ 107.015952][ T5063] ? path_openat+0x8bd/0x2c50
[ 107.020672][ T5063] path_openat+0x8bd/0x2c50
[ 107.025212][ T5063] ? path_lookupat+0x770/0x770
[ 107.030008][ T5063] ? lockdep_hardirqs_on_prepare+0x420/0x420
[ 107.036029][ T5063] do_filp_open+0x1de/0x430
[ 107.040572][ T5063] ? may_open_dev+0xf0/0xf0
[ 107.045113][ T5063] ? _raw_spin_unlock+0x28/0x40
[ 107.049998][ T5063] ? alloc_fd+0x2da/0x6c0
[ 107.054348][ T5063] do_sys_openat2+0x176/0x1e0
[ 107.059055][ T5063] ? build_open_flags+0x690/0x690
[ 107.064104][ T5063] ? reacquire_held_locks+0x4c0/0x4c0
[ 107.069515][ T5063] __x64_sys_openat+0x175/0x210
[ 107.074397][ T5063] ? __ia32_sys_open+0x1e0/0x1e0
[ 107.079355][ T5063] ? lockdep_hardirqs_on+0x7d/0x110
[ 107.084609][ T5063] ? ptrace_notify+0xf4/0x130
[ 107.089310][ T5063] ? syscall_trace_enter.constprop.0+0xaf/0x1e0
[ 107.095580][ T5063] do_syscall_64+0x40/0x110
[ 107.100134][ T5063] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 107.106071][ T5063] RIP: 0033:0x7fd18844eb99
[ 107.110517][ 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
[ 107.130148][ T5063] RSP: 002b:00007ffd0036c6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 107.138582][ T5063] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd18844eb99
[ 107.146569][ T5063] RDX: 000000000000275a RSI: 0000000020000280 RDI: 00000000ffffff9c
[ 107.154561][ T5063] RBP: 00007fd1884c25f0 R08: 00000000200000c0 R09: 00005555566204c0
[ 107.162558][ T5063] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd0036c700
[pid 5063] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6
[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=0, si_stime=23 /* 0.23 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 5065 attached
, child_tidptr=0x55555661f650) = 5065
[pid 5065] set_robust_list(0x55555661f660, 24) = 0
[pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[ 107.170545][ T5063] R13: 00007ffd0036c928 R14: 431bde82d7b634db R15: 00007fd18849703b
[ 107.178536][ T5063]
[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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5065] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5065] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5065] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5065] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=10 /* 0.10 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
[ 107.451655][ T5065] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[pid 5066] set_robust_list(0x55555661f660, 24
[pid 5062] <... clone resumed>, child_tidptr=0x55555661f650) = 5066
[pid 5066] <... set_robust_list resumed>) = 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5066] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5066] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5066] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5066] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=0, si_stime=7 /* 0.07 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
[ 107.721041][ T5066] 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, child_tidptr=0x55555661f650) = 5067
./strace-static-x86_64: Process 5067 attached
[pid 5067] set_robust_list(0x55555661f660, 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5067] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5067] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5067] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5067] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
[ 108.000297][ T5067] 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 5068 attached
, child_tidptr=0x55555661f650) = 5068
[pid 5068] set_robust_list(0x55555661f660, 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5068] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5068] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5068] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5068] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=10 /* 0.10 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[ 108.246701][ T5068] 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, child_tidptr=0x55555661f650) = 5069
./strace-static-x86_64: Process 5069 attached
[pid 5069] set_robust_list(0x55555661f660, 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5069] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5069] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5069] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5069] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=12 /* 0.12 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 5070 attached
, child_tidptr=0x55555661f650) = 5070
[pid 5070] set_robust_list(0x55555661f660, 24) = 0
[pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[ 108.536993][ T5069] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[pid 5070] setpgid(0, 0) = 0
[pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5070] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5070] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5070] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5070] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=7 /* 0.07 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
[ 108.766411][ T5070] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
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 5071 attached
, child_tidptr=0x55555661f650) = 5071
[pid 5071] set_robust_list(0x55555661f660, 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5071] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5071] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5071] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5071] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[ 109.097361][ T5071] 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 5072 attached
[pid 5072] set_robust_list(0x55555661f660, 24) = 0
[pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5062] <... clone resumed>, child_tidptr=0x55555661f650) = 5072
[pid 5072] <... prctl resumed>) = 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5072] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5072] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5072] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5072] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=0, si_stime=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
[ 109.398583][ T5072] 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 5073 attached
, child_tidptr=0x55555661f650) = 5073
[pid 5073] set_robust_list(0x55555661f660, 24) = 0
[pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5073] setpgid(0, 0) = 0
[pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5073] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5073] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5073] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5073] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=6 /* 0.06 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
[ 109.679567][ T5073] 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 5074 attached
, child_tidptr=0x55555661f650) = 5074
[pid 5074] set_robust_list(0x55555661f660, 24) = 0
[pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5074] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5074] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5074] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5074] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=9 /* 0.09 s */} ---
[ 109.918513][ T5074] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
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
[pid 5075] set_robust_list(0x55555661f660, 24
[pid 5062] <... clone resumed>, child_tidptr=0x55555661f650) = 5075
[pid 5075] <... set_robust_list resumed>) = 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5075] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5075] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5075] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5075] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=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 5076 attached
[pid 5076] set_robust_list(0x55555661f660, 24
[pid 5062] <... clone resumed>, child_tidptr=0x55555661f650) = 5076
[pid 5076] <... set_robust_list resumed>) = 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5076] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5076] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5076] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5076] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=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 5077 attached
, child_tidptr=0x55555661f650) = 5077
[pid 5077] set_robust_list(0x55555661f660, 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5077] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5077] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5077] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5077] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=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 5078 attached
, child_tidptr=0x55555661f650) = 5078
[pid 5078] set_robust_list(0x55555661f660, 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5078] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5078] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5078] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5078] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=0x55555661f650) = 5079
[pid 5079] set_robust_list(0x55555661f660, 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5079] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5079] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5079] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5079] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=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 5080 attached
, child_tidptr=0x55555661f650) = 5080
[pid 5080] set_robust_list(0x55555661f660, 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5080] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5080] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5080] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5080] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=8 /* 0.08 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=0x55555661f650) = 5081
[pid 5081] set_robust_list(0x55555661f660, 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5081] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5081] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5081] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5081] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=8 /* 0.08 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 5082 attached
, child_tidptr=0x55555661f650) = 5082
[pid 5082] set_robust_list(0x55555661f660, 24) = 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5082] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5082] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5082] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5082] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=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 5083 attached
, child_tidptr=0x55555661f650) = 5083
[pid 5083] set_robust_list(0x55555661f660, 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5083] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5083] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5083] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5083] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=0x55555661f650) = 5084
[pid 5084] set_robust_list(0x55555661f660, 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5084] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5084] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5084] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5084] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
[ 112.578813][ T5084] EXT4-fs warning: 9 callbacks suppressed
[ 112.578831][ T5084] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
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
, child_tidptr=0x55555661f650) = 5085
[pid 5085] set_robust_list(0x55555661f660, 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) = 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5085] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5085] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5085] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5085] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=8 /* 0.08 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[ 112.885270][ T5085] 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 5086 attached
, child_tidptr=0x55555661f650) = 5086
[pid 5086] set_robust_list(0x55555661f660, 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) = 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5086] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5086] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5086] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5086] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=8 /* 0.08 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 5087 attached
, child_tidptr=0x55555661f650) = 5087
[pid 5087] set_robust_list(0x55555661f660, 24) = 0
[ 113.145608][ T5086] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5087] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5087] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5087] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5087] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=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 5088 attached
, child_tidptr=0x55555661f650) = 5088
[pid 5088] set_robust_list(0x55555661f660, 24) = 0
[pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[ 113.379218][ T5087] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5088] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5088] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5088] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5088] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=0, si_stime=8 /* 0.08 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 5089 attached
, child_tidptr=0x55555661f650) = 5089
[pid 5089] set_robust_list(0x55555661f660, 24) = 0
[ 113.651811][ T5088] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5089] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5089] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5089] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5089] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=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
[ 113.851668][ 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=0x55555661f650) = 5090
[pid 5090] set_robust_list(0x55555661f660, 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5090] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5090] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5090] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5090] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=11 /* 0.11 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
[ 114.116830][ T5090] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
, child_tidptr=0x55555661f650) = 5091
[pid 5091] set_robust_list(0x55555661f660, 24) = 0
[pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5091] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5091] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5091] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5091] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=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 5092 attached
, child_tidptr=0x55555661f650) = 5092
[pid 5092] set_robust_list(0x55555661f660, 24) = 0
[pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[ 114.390205][ T5091] EXT4-fs warning (device sda1): __ext4_ioctl:1258: Setting inode version is not supported with metadata_csum enabled.
[pid 5092] setpgid(0, 0) = 0
[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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5092] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5092] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5092] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5092] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=10 /* 0.10 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
[ 114.622645][ 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(0x55555661f660, 24
[pid 5062] <... clone resumed>, child_tidptr=0x55555661f650) = 5093
[pid 5093] <... set_robust_list resumed>) = 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) = 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5093] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5093] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5093] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5093] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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 */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
[ 114.879671][ T5093] 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 5094 attached
, child_tidptr=0x55555661f650) = 5094
[pid 5094] set_robust_list(0x55555661f660, 24) = 0
[pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5094] setpgid(0, 0) = 0
[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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5094] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5094] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5094] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5094] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=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 5095 attached
, child_tidptr=0x55555661f650) = 5095
[pid 5095] set_robust_list(0x55555661f660, 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) = 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5095] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5095] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5095] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5095] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=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 5096 attached
, child_tidptr=0x55555661f650) = 5096
[pid 5096] set_robust_list(0x55555661f660, 24) = 0
[pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5096] setpgid(0, 0) = 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5096] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5096] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5096] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5096] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=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 5097 attached
, child_tidptr=0x55555661f650) = 5097
[pid 5097] set_robust_list(0x55555661f660, 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5097] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5097] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5097] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5097] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=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 5098 attached
, child_tidptr=0x55555661f650) = 5098
[pid 5098] set_robust_list(0x55555661f660, 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) = 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5098] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5098] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5098] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5098] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=8 /* 0.08 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 5099 attached
, child_tidptr=0x55555661f650) = 5099
[pid 5099] set_robust_list(0x55555661f660, 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) = 0x7fd180010000
[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(0x7fd180010000, 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] openat(AT_FDCWD, ".", O_RDONLY) = 3
[pid 5099] ioctl(3, FS_IOC_SETVERSION, 0) = -1 ENOTTY (Inappropriate ioctl for device)
[pid 5099] mkdir(".", 0777) = -1 EEXIST (File exists)
[pid 5099] mount(NULL, ".", 0x200001c0, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_SILENT|MS_PRIVATE|MS_I_VERSION|MS_STRICTATIME, "") = -1 EINVAL (Invalid argument)
[pid 5099] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[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=8 /* 0.08 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=0x55555661f650) = 5100
[pid 5100] set_robust_list(0x55555661f660, 24) = 0
[pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0