./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1299515036
<...>
Warning: Permanently added '10.128.0.150' (ED25519) to the list of known hosts.
execve("./syz-executor1299515036", ["./syz-executor1299515036"], 0x7ffc985d44c0 /* 10 vars */) = 0
brk(NULL) = 0x555556d3f000
brk(0x555556d3fd00) = 0x555556d3fd00
arch_prctl(ARCH_SET_FS, 0x555556d3f380) = 0
set_tid_address(0x555556d3f650) = 5058
set_robust_list(0x555556d3f660, 24) = 0
rseq(0x555556d3fca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1299515036", 4096) = 28
getrandom("\xd4\xfd\x5a\xac\xd0\xb3\x56\x94", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555556d3fd00
brk(0x555556d60d00) = 0x555556d60d00
brk(0x555556d61000) = 0x555556d61000
mprotect(0x7f7292e1a000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
[ 73.942496][ T27] audit: type=1400 audit(1702939400.471:83): avc: denied { execmem } for pid=5058 comm="syz-executor129" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 73.965815][ T27] audit: type=1400 audit(1702939400.501:84): avc: denied { read write } for pid=5058 comm="syz-executor129" name="loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5059 attached
, child_tidptr=0x555556d3f650) = 5059
[pid 5059] set_robust_list(0x555556d3f660, 24) = 0
[pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5059] setpgid(0, 0) = 0
[pid 5059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5059] write(3, "1000", 4) = 4
[pid 5059] close(3) = 0
[pid 5059] creat("./file1", 000) = 3
[pid 5059] memfd_create("syzkaller", 0) = 4
[pid 5059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5059] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5059] munmap(0x7f728a95f000, 138412032) = 0
[ 73.990555][ T27] audit: type=1400 audit(1702939400.501:85): avc: denied { open } for pid=5058 comm="syz-executor129" 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
[ 74.014864][ T27] audit: type=1400 audit(1702939400.501:86): avc: denied { ioctl } for pid=5058 comm="syz-executor129" 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 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5059] ioctl(5, LOOP_SET_FD, 4) = 0
[pid 5059] close(4) = 0
[pid 5059] mkdir("./file1", 0777) = -1 EEXIST (File exists)
[ 74.093448][ T5059] loop0: detected capacity change from 0 to 128
[ 74.109189][ T27] audit: type=1400 audit(1702939400.641:87): avc: denied { mounton } for pid=5059 comm="syz-executor129" path="/root/file1" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=file permissive=1
[ 74.133067][ T5059] VFS: Found a Xenix FS (block size = 512) on device loop0
[pid 5059] mount("/dev/loop0", "./file1", "sysv", 0, "\xff\x03") = 0
[pid 5059] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = -1 ENOTDIR (Not a directory)
[pid 5059] ioctl(5, LOOP_CLR_FD) = 0
[pid 5059] close(5) = 0
[ 74.141548][ T27] audit: type=1400 audit(1702939400.671:88): avc: denied { mount } for pid=5059 comm="syz-executor129" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysv_t tclass=filesystem permissive=1
[ 74.188850][ T5059] syz-executor129: attempt to access beyond end of device
[ 74.188850][ T5059] loop0: rw=0, sector=8767744, nr_sectors = 1 limit=128
[ 74.204005][ T5059] Buffer I/O error on dev loop0, logical block 8767744, async page read
[ 74.213130][ T5059] syz-executor129: attempt to access beyond end of device
[ 74.213130][ T5059] loop0: rw=0, sector=13269809, nr_sectors = 1 limit=128
[ 74.227584][ T5059] Buffer I/O error on dev loop0, logical block 13269809, async page read
[ 74.236475][ T5059] syz-executor129: attempt to access beyond end of device
[ 74.236475][ T5059] loop0: rw=0, sector=1157, nr_sectors = 1 limit=128
[ 74.250648][ T5059] Buffer I/O error on dev loop0, logical block 1157, async page read
[ 74.258865][ T5059] syz-executor129: attempt to access beyond end of device
[ 74.258865][ T5059] loop0: rw=0, sector=3211264, nr_sectors = 1 limit=128
[ 74.273042][ T5059] Buffer I/O error on dev loop0, logical block 3211264, async page read
[ 74.281730][ T5059] syz-executor129: attempt to access beyond end of device
[ 74.281730][ T5059] loop0: rw=0, sector=8768635, nr_sectors = 1 limit=128
[ 74.295675][ T5059] Buffer I/O error on dev loop0, logical block 8768635, async page read
[ 74.304101][ T5059] syz-executor129: attempt to access beyond end of device
[ 74.304101][ T5059] loop0: rw=0, sector=13466417, nr_sectors = 1 limit=128
[ 74.318153][ T5059] Buffer I/O error on dev loop0, logical block 13466417, async page read
[ 74.326690][ T5059] syz-executor129: attempt to access beyond end of device
[ 74.326690][ T5059] loop0: rw=0, sector=209285, nr_sectors = 1 limit=128
[ 74.340547][ T5059] Buffer I/O error on dev loop0, logical block 209285, async page read
[ 74.349673][ T5059] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306
[ 74.359348][ T5059] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5059, name: syz-executor129
[ 74.368939][ T5059] preempt_count: 1, expected: 0
[ 74.373878][ T5059] RCU nest depth: 0, expected: 0
[ 74.378878][ T5059] 3 locks held by syz-executor129/5059:
[ 74.384494][ T5059] #0: ffff888020b68e60 (&iint_mutex_key[depth]){+.+.}-{3:3}, at: process_measurement+0x896/0x2260
[ 74.395355][ T5059] #1: ffff888076b02db8 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x13a/0x5f0
[ 74.406803][ T5059] #2: ffffffff8d3c7418 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0
[ 74.415962][ T5059] Preemption disabled at:
[ 74.415974][ T5059] [<0000000000000000>] 0x0
[ 74.424775][ T5059] CPU: 0 PID: 5059 Comm: syz-executor129 Not tainted 6.7.0-rc6-syzkaller #0
[ 74.433462][ T5059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[ 74.443518][ T5059] Call Trace:
[ 74.446790][ T5059]
[ 74.449712][ T5059] dump_stack_lvl+0x125/0x1b0
[ 74.454388][ T5059] __might_resched+0x3c3/0x5e0
[ 74.459232][ T5059] ? preempt_count_sub+0x160/0x160
[ 74.464336][ T5059] bdev_getblk+0x89/0xc0
[ 74.468581][ T5059] __bread_gfp+0xa9/0x370
[ 74.472918][ T5059] get_branch+0x2cb/0x660
[ 74.477260][ T5059] get_block+0x1ad/0x15c0
[ 74.481594][ T5059] ? free_branches+0x3c0/0x3c0
[ 74.486357][ T5059] ? reacquire_held_locks+0x4c0/0x4c0
[ 74.491753][ T5059] ? do_raw_spin_lock+0x12e/0x2b0
[ 74.496789][ T5059] ? spin_bug+0x1d0/0x1d0
[ 74.501126][ T5059] ? _raw_spin_unlock+0x28/0x40
[ 74.506007][ T5059] ? zero_user_segments+0x2bc/0x350
[ 74.511224][ T5059] block_read_full_folio+0x3df/0xaa0
[ 74.516549][ T5059] ? free_branches+0x3c0/0x3c0
[ 74.521306][ T5059] ? decrypt_bh+0x480/0x480
[ 74.525812][ T5059] ? folio_add_lru+0x432/0x7f0
[ 74.530620][ T5059] ? sysv_bmap+0x30/0x30
[ 74.534867][ T5059] read_pages+0xa76/0xdc0
[ 74.539325][ T5059] ? folio_add_lru+0x451/0x7f0
[ 74.544104][ T5059] ? folio_flags.constprop.0+0x150/0x150
[ 74.549764][ T5059] page_cache_ra_unbounded+0x457/0x5f0
[ 74.555246][ T5059] page_cache_ra_order+0x72b/0xa80
[ 74.560373][ T5059] ? blk_cgroup_congested+0x15b/0x290
[ 74.565756][ T5059] ondemand_readahead+0x493/0x1130
[ 74.570875][ T5059] page_cache_sync_ra+0x174/0x1d0
[ 74.575909][ T5059] filemap_get_pages+0xc06/0x1830
[ 74.581003][ T5059] ? filemap_add_folio+0x1e0/0x1e0
[ 74.586122][ T5059] ? __orc_find+0x104/0x130
[ 74.590717][ T5059] ? preempt_count_sub+0x160/0x160
[ 74.595834][ T5059] ? print_usage_bug.part.0+0x550/0x550
[ 74.601388][ T5059] filemap_read+0x39b/0xcf0
[ 74.605901][ T5059] ? find_held_lock+0x2d/0x110
[ 74.610671][ T5059] ? filemap_get_pages+0x1830/0x1830
[ 74.615964][ T5059] ? kasan_save_stack+0x43/0x50
[ 74.620816][ T5059] ? kasan_save_stack+0x33/0x50
[ 74.625665][ T5059] generic_file_read_iter+0x346/0x450
[ 74.631046][ T5059] ? do_filp_open+0x1de/0x430
[ 74.635735][ T5059] ? do_sys_openat2+0x176/0x1e0
[ 74.640584][ T5059] __kernel_read+0x301/0x870
[ 74.645185][ T5059] ? __ia32_sys_llseek+0x390/0x390
[ 74.650310][ T5059] integrity_kernel_read+0x7f/0xb0
[ 74.655430][ T5059] ? integrity_inode_free+0x1c0/0x1c0
[ 74.660807][ T5059] ? kasan_set_track+0x25/0x30
[ 74.665570][ T5059] ima_calc_file_hash_tfm+0x2c5/0x3d0
[ 74.671040][ T5059] ? calc_buffer_shash_tfm+0x2d0/0x2d0
[ 74.676511][ T5059] ? generic_fillattr+0x64e/0x8a0
[ 74.681541][ T5059] ? ima_alloc_tfm+0x21d/0x2d0
[ 74.686314][ T5059] ima_calc_file_hash+0x1c6/0x4a0
[ 74.691356][ T5059] ima_collect_measurement+0x85e/0xa20
[ 74.696828][ T5059] ? ima_get_action+0xa0/0xa0
[ 74.701517][ T5059] ? vfs_getxattr_alloc+0xf1/0x340
[ 74.706636][ T5059] ? ima_get_cache_status+0x1f0/0x1f0
[ 74.712010][ T5059] process_measurement+0xe92/0x2260
[ 74.717220][ T5059] ? mmap_violation_check+0x1f0/0x1f0
[ 74.722600][ T5059] ? avc_has_perm_noaudit+0x145/0x3a0
[ 74.728079][ T5059] ? avc_has_perm+0x11b/0x1c0
[ 74.732763][ T5059] ? fsnotify_perm.part.0+0x247/0x5c0
[ 74.738140][ T5059] ima_file_check+0xc2/0x110
[ 74.742738][ T5059] ? process_measurement+0x2260/0x2260
[ 74.748209][ T5059] ? may_open+0x1f2/0x400
[ 74.752544][ T5059] path_openat+0x1821/0x2c50
[ 74.757152][ T5059] ? path_lookupat+0x770/0x770
[ 74.761919][ T5059] ? lockdep_hardirqs_on_prepare+0x420/0x420
[ 74.767914][ T5059] do_filp_open+0x1de/0x430
[ 74.772426][ T5059] ? may_open_dev+0xf0/0xf0
[ 74.777022][ T5059] ? find_held_lock+0x2d/0x110
[ 74.781795][ T5059] ? _raw_spin_unlock+0x28/0x40
[ 74.786650][ T5059] ? alloc_fd+0x2da/0x6c0
[ 74.790993][ T5059] do_sys_openat2+0x176/0x1e0
[ 74.795676][ T5059] ? build_open_flags+0x690/0x690
[ 74.800703][ T5059] ? reacquire_held_locks+0x4c0/0x4c0
[ 74.806084][ T5059] __x64_sys_open+0x154/0x1e0
[ 74.810766][ T5059] ? do_sys_open+0x160/0x160
[ 74.815361][ T5059] ? ptrace_notify+0xf4/0x130
[ 74.820038][ T5059] ? syscall_trace_enter.constprop.0+0xaf/0x1e0
[ 74.826283][ T5059] do_syscall_64+0x40/0x110
[ 74.830792][ T5059] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 74.836698][ T5059] RIP: 0033:0x7f7292d9dce9
[ 74.841113][ T5059] 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
[ 74.860722][ T5059] RSP: 002b:00007ffdf392d718 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
[ 74.869236][ T5059] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f7292d9dce9
[ 74.877207][ T5059] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
[ 74.885178][ T5059] RBP: 00007f7292e1a5f0 R08: 0000000000009e5d R09: 0000555556d404c0
[ 74.893149][ T5059] R10: 00007ffdf392d5e0 R11: 0000000000000246 R12: 00007ffdf392d740
[ 74.901231][ T5059] R13: 00007ffdf392d968 R14: 431bde82d7b634db R15: 00007f7292de603b
[ 74.909206][ T5059]
[ 74.914345][ T5059] syz-executor129: attempt to access beyond end of device
[ 74.914345][ T5059] loop0: rw=0, sector=8767744, nr_sectors = 1 limit=128
[ 74.928477][ T27] audit: type=1400 audit(1702939401.451:89): avc: denied { append } for pid=4491 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
[ 74.928572][ T5059] Buffer I/O error on dev loop0, logical block 8767744, async page read
[ 74.950815][ T27] audit: type=1400 audit(1702939401.451:90): avc: denied { open } for pid=4491 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
[ 74.959136][ T5059] syz-executor129: attempt to access beyond end of device
[ 74.959136][ T5059] loop0: rw=0, sector=13269809, nr_sectors = 1 limit=128
[ 74.982394][ T27] audit: type=1400 audit(1702939401.451:91): avc: denied { getattr } for pid=4491 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
[ 74.996794][ T5059] Buffer I/O error on dev loop0, logical block 13269809, async page read
[ 75.026949][ T5059] syz-executor129: attempt to access beyond end of device
[ 75.026949][ T5059] loop0: rw=0, sector=1157, nr_sectors = 1 limit=128
[pid 5059] open("./file1", O_RDONLY) = 4
[pid 5059] exit_group(0) = ?
[pid 5059] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5059, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
[ 75.040710][ T5059] Buffer I/O error on dev loop0, logical block 1157, async page read
[ 75.050205][ T27] audit: type=1800 audit(1702939401.581:92): pid=5059 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=collect_data cause=failed comm="syz-executor129" name="/" dev="loop0" ino=2 res=0 errno=0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5061 attached
, child_tidptr=0x555556d3f650) = 5061
[pid 5061] set_robust_list(0x555556d3f660, 24) = 0
[pid 5061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5061] setpgid(0, 0) = 0
[pid 5061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5061] write(3, "1000", 4) = 4
[pid 5061] close(3) = 0
[pid 5061] creat("./file1", 000) = 3
[pid 5061] memfd_create("syzkaller", 0) = 4
[pid 5061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5061] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5061] munmap(0x7f728a95f000, 138412032) = 0
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5061] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5061] ioctl(5, LOOP_CLR_FD) = 0
[pid 5061] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5061] close(5) = 0
[pid 5061] close(4) = 0
[pid 5061] open("./file1", O_RDONLY) = 4
[pid 5061] exit_group(0) = ?
[ 75.196594][ T5061] sysv_free_block: trying to free block not in datazone
[pid 5061] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5061, si_uid=0, si_status=0, si_utime=0, si_stime=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 5062 attached
, child_tidptr=0x555556d3f650) = 5062
[pid 5062] set_robust_list(0x555556d3f660, 24) = 0
[pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5062] setpgid(0, 0) = 0
[pid 5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5062] write(3, "1000", 4) = 4
[pid 5062] close(3) = 0
[pid 5062] creat("./file1", 000) = 3
[pid 5062] memfd_create("syzkaller", 0) = 4
[pid 5062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5062] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5062] munmap(0x7f728a95f000, 138412032) = 0
[pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5062] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5062] ioctl(5, LOOP_CLR_FD) = 0
[pid 5062] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5062] close(5) = 0
[pid 5062] close(4) = 0
[pid 5062] open("./file1", O_RDONLY) = 4
[pid 5062] exit_group(0) = ?
[pid 5062] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5062, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5063 attached
, child_tidptr=0x555556d3f650) = 5063
[pid 5063] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5063] memfd_create("syzkaller", 0) = 4
[pid 5063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5063] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5063] munmap(0x7f728a95f000, 138412032) = 0
[pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5063] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5063] ioctl(5, LOOP_CLR_FD) = 0
[pid 5063] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5063] close(5) = 0
[pid 5063] close(4) = 0
[pid 5063] open("./file1", O_RDONLY) = 4
[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=1 /* 0.01 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 5064 attached
, child_tidptr=0x555556d3f650) = 5064
[pid 5064] set_robust_list(0x555556d3f660, 24) = 0
[pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5064] setpgid(0, 0) = 0
[pid 5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5064] write(3, "1000", 4) = 4
[pid 5064] close(3) = 0
[pid 5064] creat("./file1", 000) = 3
[pid 5064] memfd_create("syzkaller", 0) = 4
[pid 5064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5064] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5064] munmap(0x7f728a95f000, 138412032) = 0
[pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5064] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5064] ioctl(5, LOOP_CLR_FD) = 0
[pid 5064] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5064] close(5) = 0
[pid 5064] close(4) = 0
[pid 5064] open("./file1", O_RDONLY) = 4
[pid 5064] exit_group(0) = ?
[pid 5064] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5064, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
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
[pid 5065] set_robust_list(0x555556d3f660, 24) = 0
[pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5058] <... clone resumed>, child_tidptr=0x555556d3f650) = 5065
[pid 5065] <... prctl resumed>) = 0
[pid 5065] setpgid(0, 0) = 0
[pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5065] write(3, "1000", 4) = 4
[pid 5065] close(3) = 0
[pid 5065] creat("./file1", 000) = 3
[pid 5065] memfd_create("syzkaller", 0) = 4
[pid 5065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5065] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5065] munmap(0x7f728a95f000, 138412032) = 0
[pid 5065] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5065] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5065] ioctl(5, LOOP_CLR_FD) = 0
[pid 5065] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5065] close(5) = 0
[pid 5065] close(4) = 0
[pid 5065] open("./file1", O_RDONLY) = 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=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 5066 attached
, child_tidptr=0x555556d3f650) = 5066
[pid 5066] set_robust_list(0x555556d3f660, 24) = 0
[pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5066] setpgid(0, 0) = 0
[pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5066] write(3, "1000", 4) = 4
[pid 5066] close(3) = 0
[pid 5066] creat("./file1", 000) = 3
[pid 5066] memfd_create("syzkaller", 0) = 4
[pid 5066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5066] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5066] munmap(0x7f728a95f000, 138412032) = 0
[pid 5066] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5066] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5066] ioctl(5, LOOP_CLR_FD) = 0
[pid 5066] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5066] close(5) = 0
[pid 5066] close(4) = 0
[pid 5066] open("./file1", O_RDONLY) = 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=1 /* 0.01 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 5067 attached
[pid 5067] set_robust_list(0x555556d3f660, 24) = 0
[pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5058] <... clone resumed>, child_tidptr=0x555556d3f650) = 5067
[pid 5067] <... prctl resumed>) = 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] creat("./file1", 000) = 3
[pid 5067] memfd_create("syzkaller", 0) = 4
[pid 5067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5067] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5067] munmap(0x7f728a95f000, 138412032) = 0
[pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5067] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5067] ioctl(5, LOOP_CLR_FD) = 0
[pid 5067] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5067] close(5) = 0
[pid 5067] close(4) = 0
[pid 5067] open("./file1", O_RDONLY) = 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=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556d3f650) = 5068
./strace-static-x86_64: Process 5068 attached
[pid 5068] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5068] memfd_create("syzkaller", 0) = 4
[pid 5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5068] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5068] munmap(0x7f728a95f000, 138412032) = 0
[pid 5068] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5068] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5068] ioctl(5, LOOP_CLR_FD) = 0
[pid 5068] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5068] close(5) = 0
[pid 5068] close(4) = 0
[pid 5068] open("./file1", O_RDONLY) = 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=0} ---
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 5069 attached
, child_tidptr=0x555556d3f650) = 5069
[pid 5069] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5069] memfd_create("syzkaller", 0) = 4
[pid 5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5069] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5069] munmap(0x7f728a95f000, 138412032) = 0
[pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5069] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5069] ioctl(5, LOOP_CLR_FD) = 0
[pid 5069] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5069] close(5) = 0
[pid 5069] close(4) = 0
[pid 5069] open("./file1", O_RDONLY) = 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=1 /* 0.01 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=0x555556d3f650) = 5070
[pid 5070] set_robust_list(0x555556d3f660, 24) = 0
[pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5070] setpgid(0, 0) = 0
[pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5070] write(3, "1000", 4) = 4
[pid 5070] close(3) = 0
[pid 5070] creat("./file1", 000) = 3
[pid 5070] memfd_create("syzkaller", 0) = 4
[pid 5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5070] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5070] munmap(0x7f728a95f000, 138412032) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5070] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5070] ioctl(5, LOOP_CLR_FD) = 0
[pid 5070] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5070] close(5) = 0
[pid 5070] close(4) = 0
[pid 5070] open("./file1", O_RDONLY) = 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=0} ---
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 5071 attached
, child_tidptr=0x555556d3f650) = 5071
[pid 5071] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5071] memfd_create("syzkaller", 0) = 4
[pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5071] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5071] munmap(0x7f728a95f000, 138412032) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5071] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5071] ioctl(5, LOOP_CLR_FD) = 0
[pid 5071] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5071] close(5) = 0
[pid 5071] close(4) = 0
[pid 5071] open("./file1", O_RDONLY) = 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=0, si_stime=0} ---
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 5072 attached
, child_tidptr=0x555556d3f650) = 5072
[pid 5072] set_robust_list(0x555556d3f660, 24) = 0
[pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5072] setpgid(0, 0) = 0
[pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5072] write(3, "1000", 4) = 4
[pid 5072] close(3) = 0
[pid 5072] creat("./file1", 000) = 3
[pid 5072] memfd_create("syzkaller", 0) = 4
[pid 5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5072] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5072] munmap(0x7f728a95f000, 138412032) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5072] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5072] ioctl(5, LOOP_CLR_FD) = 0
[pid 5072] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5072] close(5) = 0
[pid 5072] close(4) = 0
[pid 5072] open("./file1", O_RDONLY) = 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=1 /* 0.01 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 5073 attached
, child_tidptr=0x555556d3f650) = 5073
[pid 5073] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5073] memfd_create("syzkaller", 0) = 4
[pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5073] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5073] munmap(0x7f728a95f000, 138412032) = 0
[pid 5073] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5073] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5073] ioctl(5, LOOP_CLR_FD) = 0
[pid 5073] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5073] close(5) = 0
[pid 5073] close(4) = 0
[pid 5073] open("./file1", O_RDONLY) = 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=1 /* 0.01 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 5074 attached
, child_tidptr=0x555556d3f650) = 5074
[pid 5074] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5074] memfd_create("syzkaller", 0) = 4
[pid 5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5074] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5074] munmap(0x7f728a95f000, 138412032) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5074] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5074] ioctl(5, LOOP_CLR_FD) = 0
[pid 5074] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5074] close(5) = 0
[pid 5074] close(4) = 0
[pid 5074] open("./file1", O_RDONLY) = 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=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 5075 attached
, child_tidptr=0x555556d3f650) = 5075
[pid 5075] set_robust_list(0x555556d3f660, 24) = 0
[pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5075] setpgid(0, 0) = 0
[pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5075] write(3, "1000", 4) = 4
[pid 5075] close(3) = 0
[pid 5075] creat("./file1", 000) = 3
[pid 5075] memfd_create("syzkaller", 0) = 4
[pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5075] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5075] munmap(0x7f728a95f000, 138412032) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5075] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5075] ioctl(5, LOOP_CLR_FD) = 0
[pid 5075] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5075] close(5) = 0
[pid 5075] close(4) = 0
[pid 5075] open("./file1", O_RDONLY) = 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=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5076 attached
, child_tidptr=0x555556d3f650) = 5076
[pid 5076] set_robust_list(0x555556d3f660, 24) = 0
[pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5076] setpgid(0, 0) = 0
[pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5076] write(3, "1000", 4) = 4
[pid 5076] close(3) = 0
[pid 5076] creat("./file1", 000) = 3
[pid 5076] memfd_create("syzkaller", 0) = 4
[pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5076] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5076] munmap(0x7f728a95f000, 138412032) = 0
[pid 5076] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5076] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5076] ioctl(5, LOOP_CLR_FD) = 0
[pid 5076] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5076] close(5) = 0
[pid 5076] close(4) = 0
[pid 5076] open("./file1", O_RDONLY) = 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=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=0x555556d3f650) = 5077
[pid 5077] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5077] memfd_create("syzkaller", 0) = 4
[pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5077] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5077] munmap(0x7f728a95f000, 138412032) = 0
[pid 5077] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5077] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5077] ioctl(5, LOOP_CLR_FD) = 0
[pid 5077] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5077] close(5) = 0
[pid 5077] close(4) = 0
[pid 5077] open("./file1", O_RDONLY) = 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=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556d3f650) = 5078
./strace-static-x86_64: Process 5078 attached
[pid 5078] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5078] memfd_create("syzkaller", 0) = 4
[pid 5078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5078] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5078] munmap(0x7f728a95f000, 138412032) = 0
[pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5078] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5078] ioctl(5, LOOP_CLR_FD) = 0
[pid 5078] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5078] close(5) = 0
[pid 5078] close(4) = 0
[pid 5078] open("./file1", O_RDONLY) = 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=2 /* 0.02 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 5079 attached
[pid 5079] set_robust_list(0x555556d3f660, 24) = 0
[pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5058] <... clone resumed>, child_tidptr=0x555556d3f650) = 5079
[pid 5079] <... prctl resumed>) = 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] creat("./file1", 000) = 3
[pid 5079] memfd_create("syzkaller", 0) = 4
[pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5079] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5079] munmap(0x7f728a95f000, 138412032) = 0
[pid 5079] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5079] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5079] ioctl(5, LOOP_CLR_FD) = 0
[pid 5079] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5079] close(5) = 0
[pid 5079] close(4) = 0
[pid 5079] open("./file1", O_RDONLY) = 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=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556d3f650) = 5080
./strace-static-x86_64: Process 5080 attached
[pid 5080] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5080] memfd_create("syzkaller", 0) = 4
[pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5080] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5080] munmap(0x7f728a95f000, 138412032) = 0
[pid 5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5080] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5080] ioctl(5, LOOP_CLR_FD) = 0
[pid 5080] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5080] close(5) = 0
[pid 5080] close(4) = 0
[pid 5080] open("./file1", O_RDONLY) = 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=0} ---
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=0x555556d3f650) = 5081
[pid 5081] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5081] memfd_create("syzkaller", 0) = 4
[pid 5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5081] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5081] munmap(0x7f728a95f000, 138412032) = 0
[pid 5081] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5081] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5081] ioctl(5, LOOP_CLR_FD) = 0
[pid 5081] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5081] close(5) = 0
[pid 5081] close(4) = 0
[pid 5081] open("./file1", O_RDONLY) = 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=1 /* 0.01 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=0x555556d3f650) = 5082
[pid 5082] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5082] memfd_create("syzkaller", 0) = 4
[pid 5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5082] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5082] munmap(0x7f728a95f000, 138412032) = 0
[pid 5082] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5082] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5082] ioctl(5, LOOP_CLR_FD) = 0
[pid 5082] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5082] close(5) = 0
[pid 5082] close(4) = 0
[pid 5082] open("./file1", O_RDONLY) = 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=1 /* 0.01 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=0x555556d3f650) = 5083
[pid 5083] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5083] memfd_create("syzkaller", 0) = 4
[pid 5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5083] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5083] munmap(0x7f728a95f000, 138412032) = 0
[pid 5083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5083] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5083] ioctl(5, LOOP_CLR_FD) = 0
[pid 5083] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5083] close(5) = 0
[pid 5083] close(4) = 0
[pid 5083] open("./file1", O_RDONLY) = 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=0} ---
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
[pid 5084] set_robust_list(0x555556d3f660, 24) = 0
[pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5058] <... clone resumed>, child_tidptr=0x555556d3f650) = 5084
[pid 5084] <... prctl resumed>) = 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] creat("./file1", 000) = 3
[pid 5084] memfd_create("syzkaller", 0) = 4
[pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5084] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5084] munmap(0x7f728a95f000, 138412032) = 0
[pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5084] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5084] ioctl(5, LOOP_CLR_FD) = 0
[pid 5084] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5084] close(5) = 0
[pid 5084] close(4) = 0
[pid 5084] open("./file1", O_RDONLY) = 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=1 /* 0.01 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 5085 attached
, child_tidptr=0x555556d3f650) = 5085
[pid 5085] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5085] memfd_create("syzkaller", 0) = 4
[pid 5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5085] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5085] munmap(0x7f728a95f000, 138412032) = 0
[pid 5085] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5085] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5085] ioctl(5, LOOP_CLR_FD) = 0
[pid 5085] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5085] close(5) = 0
[pid 5085] close(4) = 0
[pid 5085] open("./file1", O_RDONLY) = 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=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5086 attached
, child_tidptr=0x555556d3f650) = 5086
[pid 5086] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5086] memfd_create("syzkaller", 0) = 4
[pid 5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5086] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5086] munmap(0x7f728a95f000, 138412032) = 0
[pid 5086] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5086] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5086] ioctl(5, LOOP_CLR_FD) = 0
[pid 5086] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5086] close(5) = 0
[pid 5086] close(4) = 0
[pid 5086] open("./file1", O_RDONLY) = 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=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5087 attached
, child_tidptr=0x555556d3f650) = 5087
[pid 5087] set_robust_list(0x555556d3f660, 24) = 0
[pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5087] setpgid(0, 0) = 0
[pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5087] write(3, "1000", 4) = 4
[pid 5087] close(3) = 0
[pid 5087] creat("./file1", 000) = 3
[pid 5087] memfd_create("syzkaller", 0) = 4
[pid 5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5087] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5087] munmap(0x7f728a95f000, 138412032) = 0
[pid 5087] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5087] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5087] ioctl(5, LOOP_CLR_FD) = 0
[pid 5087] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5087] close(5) = 0
[pid 5087] close(4) = 0
[pid 5087] open("./file1", O_RDONLY) = 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=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5088 attached
[pid 5088] set_robust_list(0x555556d3f660, 24) = 0
[pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5058] <... clone resumed>, child_tidptr=0x555556d3f650) = 5088
[pid 5088] <... prctl resumed>) = 0
[pid 5088] setpgid(0, 0) = 0
[pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5088] write(3, "1000", 4) = 4
[pid 5088] close(3) = 0
[pid 5088] creat("./file1", 000) = 3
[pid 5088] memfd_create("syzkaller", 0) = 4
[pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5088] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5088] munmap(0x7f728a95f000, 138412032) = 0
[pid 5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5088] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5088] ioctl(5, LOOP_CLR_FD) = 0
[pid 5088] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5088] close(5) = 0
[pid 5088] close(4) = 0
[pid 5088] open("./file1", O_RDONLY) = 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=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=0x555556d3f650) = 5089
[pid 5089] set_robust_list(0x555556d3f660, 24) = 0
[pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5089] setpgid(0, 0) = 0
[pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5089] write(3, "1000", 4) = 4
[pid 5089] close(3) = 0
[pid 5089] creat("./file1", 000) = 3
[pid 5089] memfd_create("syzkaller", 0) = 4
[pid 5089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5089] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5089] munmap(0x7f728a95f000, 138412032) = 0
[pid 5089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5089] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5089] ioctl(5, LOOP_CLR_FD) = 0
[pid 5089] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5089] close(5) = 0
[pid 5089] close(4) = 0
[pid 5089] open("./file1", O_RDONLY) = 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=1 /* 0.01 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 5090 attached
, child_tidptr=0x555556d3f650) = 5090
[pid 5090] set_robust_list(0x555556d3f660, 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
[ 79.045030][ T27] kauditd_printk_skb: 28 callbacks suppressed
[ 79.045042][ T27] audit: type=1804 audit(1702939405.581:121): pid=5089 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=invalid_pcr cause=open_writers comm="syz-executor129" name="/root/file1" dev="loop0" ino=2 res=1 errno=0
[pid 5090] creat("./file1", 000) = 3
[pid 5090] memfd_create("syzkaller", 0) = 4
[pid 5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5090] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5090] munmap(0x7f728a95f000, 138412032) = 0
[pid 5090] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5090] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5090] ioctl(5, LOOP_CLR_FD) = 0
[pid 5090] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5090] close(5) = 0
[pid 5090] close(4) = 0
[pid 5090] open("./file1", O_RDONLY) = 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=3 /* 0.03 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
[ 79.169194][ T27] audit: type=1804 audit(1702939405.701:122): pid=5090 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=invalid_pcr cause=open_writers comm="syz-executor129" name="/root/file1" dev="loop0" ino=2 res=1 errno=0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5091 attached
, child_tidptr=0x555556d3f650) = 5091
[pid 5091] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5091] memfd_create("syzkaller", 0) = 4
[pid 5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5091] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5091] munmap(0x7f728a95f000, 138412032) = 0
[pid 5091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5091] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5091] ioctl(5, LOOP_CLR_FD) = 0
[pid 5091] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5091] close(5) = 0
[pid 5091] close(4) = 0
[pid 5091] open("./file1", O_RDONLY) = 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=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=0x555556d3f650) = 5092
[pid 5092] set_robust_list(0x555556d3f660, 24) = 0
[pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[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
[ 79.304717][ T27] audit: type=1804 audit(1702939405.841:123): pid=5091 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=invalid_pcr cause=open_writers comm="syz-executor129" name="/root/file1" dev="loop0" ino=2 res=1 errno=0
[pid 5092] creat("./file1", 000) = 3
[pid 5092] memfd_create("syzkaller", 0) = 4
[pid 5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5092] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5092] munmap(0x7f728a95f000, 138412032) = 0
[pid 5092] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5092] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5092] ioctl(5, LOOP_CLR_FD) = 0
[pid 5092] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5092] close(5) = 0
[pid 5092] close(4) = 0
[pid 5092] open("./file1", O_RDONLY) = 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=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
[ 79.400564][ T27] audit: type=1804 audit(1702939405.931:124): pid=5092 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=invalid_pcr cause=open_writers comm="syz-executor129" name="/root/file1" dev="loop0" ino=2 res=1 errno=0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5093 attached
, child_tidptr=0x555556d3f650) = 5093
[pid 5093] set_robust_list(0x555556d3f660, 24) = 0
[pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5093] setpgid(0, 0) = 0
[pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5093] write(3, "1000", 4) = 4
[pid 5093] close(3) = 0
[pid 5093] creat("./file1", 000) = 3
[pid 5093] memfd_create("syzkaller", 0) = 4
[pid 5093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5093] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5093] munmap(0x7f728a95f000, 138412032) = 0
[pid 5093] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5093] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5093] ioctl(5, LOOP_CLR_FD) = 0
[pid 5093] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5093] close(5) = 0
[pid 5093] close(4) = 0
[pid 5093] open("./file1", O_RDONLY) = 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=1 /* 0.01 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5094 attached
, child_tidptr=0x555556d3f650) = 5094
[pid 5094] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5094] memfd_create("syzkaller", 0) = 4
[ 79.548647][ T27] audit: type=1804 audit(1702939406.081:125): pid=5093 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=invalid_pcr cause=open_writers comm="syz-executor129" name="/root/file1" dev="loop0" ino=2 res=1 errno=0
[pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5094] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5094] munmap(0x7f728a95f000, 138412032) = 0
[pid 5094] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5094] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5094] ioctl(5, LOOP_CLR_FD) = 0
[pid 5094] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5094] close(5) = 0
[pid 5094] close(4) = 0
[pid 5094] open("./file1", O_RDONLY) = 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=2 /* 0.02 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
[ 79.650945][ T27] audit: type=1804 audit(1702939406.181:126): pid=5094 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=invalid_pcr cause=open_writers comm="syz-executor129" name="/root/file1" dev="loop0" ino=2 res=1 errno=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=0x555556d3f650) = 5095
[pid 5095] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5095] memfd_create("syzkaller", 0) = 4
[pid 5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5095] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5095] munmap(0x7f728a95f000, 138412032) = 0
[pid 5095] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5095] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5095] ioctl(5, LOOP_CLR_FD) = 0
[pid 5095] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5095] close(5) = 0
[pid 5095] close(4) = 0
[pid 5095] open("./file1", O_RDONLY) = 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=0} ---
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 5096 attached
, child_tidptr=0x555556d3f650) = 5096
[ 79.805074][ T27] audit: type=1804 audit(1702939406.341:127): pid=5095 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=invalid_pcr cause=open_writers comm="syz-executor129" name="/root/file1" dev="loop0" ino=2 res=1 errno=0
[pid 5096] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5096] memfd_create("syzkaller", 0) = 4
[pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5096] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5096] munmap(0x7f728a95f000, 138412032) = 0
[pid 5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5096] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5096] ioctl(5, LOOP_CLR_FD) = 0
[pid 5096] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5096] close(5) = 0
[pid 5096] close(4) = 0
[pid 5096] open("./file1", O_RDONLY) = 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=0} ---
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 5097 attached
, child_tidptr=0x555556d3f650) = 5097
[pid 5097] set_robust_list(0x555556d3f660, 24) = 0
[pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[ 79.951517][ T27] audit: type=1804 audit(1702939406.481:128): pid=5096 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=invalid_pcr cause=open_writers comm="syz-executor129" name="/root/file1" dev="loop0" ino=2 res=1 errno=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] creat("./file1", 000) = 3
[pid 5097] memfd_create("syzkaller", 0) = 4
[pid 5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5097] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5097] munmap(0x7f728a95f000, 138412032) = 0
[pid 5097] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5097] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5097] ioctl(5, LOOP_CLR_FD) = 0
[pid 5097] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5097] close(5) = 0
[pid 5097] close(4) = 0
[pid 5097] open("./file1", O_RDONLY) = 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=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5098 attached
[pid 5098] set_robust_list(0x555556d3f660, 24) = 0
[pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5058] <... clone resumed>, child_tidptr=0x555556d3f650) = 5098
[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
[ 80.086790][ T27] audit: type=1804 audit(1702939406.621:129): pid=5097 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=invalid_pcr cause=open_writers comm="syz-executor129" name="/root/file1" dev="loop0" ino=2 res=1 errno=0
[pid 5098] close(3) = 0
[pid 5098] creat("./file1", 000) = 3
[pid 5098] memfd_create("syzkaller", 0) = 4
[pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5098] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5098] munmap(0x7f728a95f000, 138412032) = 0
[pid 5098] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5098] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5098] ioctl(5, LOOP_CLR_FD) = 0
[pid 5098] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5098] close(5) = 0
[pid 5098] close(4) = 0
[pid 5098] open("./file1", O_RDONLY) = 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=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
[ 80.212906][ T27] audit: type=1804 audit(1702939406.751:130): pid=5098 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=invalid_pcr cause=open_writers comm="syz-executor129" name="/root/file1" dev="loop0" ino=2 res=1 errno=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=0x555556d3f650) = 5099
[pid 5099] set_robust_list(0x555556d3f660, 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] creat("./file1", 000) = 3
[pid 5099] memfd_create("syzkaller", 0) = 4
[pid 5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5099] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5099] munmap(0x7f728a95f000, 138412032) = 0
[pid 5099] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5099] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5099] ioctl(5, LOOP_CLR_FD) = 0
[pid 5099] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5099] close(5) = 0
[pid 5099] close(4) = 0
[pid 5099] open("./file1", O_RDONLY) = 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=1 /* 0.01 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=0x555556d3f650) = 5100
[pid 5100] set_robust_list(0x555556d3f660, 24) = 0
[pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5100] setpgid(0, 0) = 0
[pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5100] write(3, "1000", 4) = 4
[pid 5100] close(3) = 0
[pid 5100] creat("./file1", 000) = 3
[pid 5100] memfd_create("syzkaller", 0) = 4
[pid 5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5100] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5100] munmap(0x7f728a95f000, 138412032) = 0
[pid 5100] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5100] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5100] ioctl(5, LOOP_CLR_FD) = 0
[pid 5100] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5100] close(5) = 0
[pid 5100] close(4) = 0
[pid 5100] open("./file1", O_RDONLY) = 4
[pid 5100] exit_group(0) = ?
[pid 5100] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5101 attached
, child_tidptr=0x555556d3f650) = 5101
[pid 5101] set_robust_list(0x555556d3f660, 24) = 0
[pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5101] setpgid(0, 0) = 0
[pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5101] write(3, "1000", 4) = 4
[pid 5101] close(3) = 0
[pid 5101] creat("./file1", 000) = 3
[pid 5101] memfd_create("syzkaller", 0) = 4
[pid 5101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5101] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5101] munmap(0x7f728a95f000, 138412032) = 0
[pid 5101] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5101] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5101] ioctl(5, LOOP_CLR_FD) = 0
[pid 5101] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5101] close(5) = 0
[pid 5101] close(4) = 0
[pid 5101] open("./file1", O_RDONLY) = 4
[pid 5101] exit_group(0) = ?
[pid 5101] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached
, child_tidptr=0x555556d3f650) = 5102
[pid 5102] set_robust_list(0x555556d3f660, 24) = 0
[pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5102] setpgid(0, 0) = 0
[pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5102] write(3, "1000", 4) = 4
[pid 5102] close(3) = 0
[pid 5102] creat("./file1", 000) = 3
[pid 5102] memfd_create("syzkaller", 0) = 4
[pid 5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5102] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5102] munmap(0x7f728a95f000, 138412032) = 0
[pid 5102] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5102] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5102] ioctl(5, LOOP_CLR_FD) = 0
[pid 5102] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5102] close(5) = 0
[pid 5102] close(4) = 0
[pid 5102] open("./file1", O_RDONLY) = 4
[pid 5102] exit_group(0) = ?
[pid 5102] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached
, child_tidptr=0x555556d3f650) = 5103
[pid 5103] set_robust_list(0x555556d3f660, 24) = 0
[pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5103] setpgid(0, 0) = 0
[pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5103] write(3, "1000", 4) = 4
[pid 5103] close(3) = 0
[pid 5103] creat("./file1", 000) = 3
[pid 5103] memfd_create("syzkaller", 0) = 4
[pid 5103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5103] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5103] munmap(0x7f728a95f000, 138412032) = 0
[pid 5103] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5103] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5103] ioctl(5, LOOP_CLR_FD) = 0
[pid 5103] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5103] close(5) = 0
[pid 5103] close(4) = 0
[pid 5103] open("./file1", O_RDONLY) = 4
[pid 5103] exit_group(0) = ?
[pid 5103] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5104 attached
, child_tidptr=0x555556d3f650) = 5104
[pid 5104] set_robust_list(0x555556d3f660, 24) = 0
[pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5104] setpgid(0, 0) = 0
[pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5104] write(3, "1000", 4) = 4
[pid 5104] close(3) = 0
[pid 5104] creat("./file1", 000) = 3
[pid 5104] memfd_create("syzkaller", 0) = 4
[pid 5104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5104] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5104] munmap(0x7f728a95f000, 138412032) = 0
[pid 5104] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5104] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5104] ioctl(5, LOOP_CLR_FD) = 0
[pid 5104] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5104] close(5) = 0
[pid 5104] close(4) = 0
[pid 5104] open("./file1", O_RDONLY) = 4
[pid 5104] exit_group(0) = ?
[pid 5104] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5105 attached
, child_tidptr=0x555556d3f650) = 5105
[pid 5105] set_robust_list(0x555556d3f660, 24) = 0
[pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5105] setpgid(0, 0) = 0
[pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5105] write(3, "1000", 4) = 4
[pid 5105] close(3) = 0
[pid 5105] creat("./file1", 000) = 3
[pid 5105] memfd_create("syzkaller", 0) = 4
[pid 5105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5105] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5105] munmap(0x7f728a95f000, 138412032) = 0
[pid 5105] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5105] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5105] ioctl(5, LOOP_CLR_FD) = 0
[pid 5105] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5105] close(5) = 0
[pid 5105] close(4) = 0
[pid 5105] open("./file1", O_RDONLY) = 4
[pid 5105] exit_group(0) = ?
[pid 5105] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
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 5106 attached
, child_tidptr=0x555556d3f650) = 5106
[pid 5106] set_robust_list(0x555556d3f660, 24) = 0
[pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5106] setpgid(0, 0) = 0
[pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5106] write(3, "1000", 4) = 4
[pid 5106] close(3) = 0
[pid 5106] creat("./file1", 000) = 3
[pid 5106] memfd_create("syzkaller", 0) = 4
[pid 5106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5106] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5106] munmap(0x7f728a95f000, 138412032) = 0
[pid 5106] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5106] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5106] ioctl(5, LOOP_CLR_FD) = 0
[pid 5106] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5106] close(5) = 0
[pid 5106] close(4) = 0
[pid 5106] open("./file1", O_RDONLY) = 4
[pid 5106] exit_group(0) = ?
[pid 5106] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
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 5107 attached
, child_tidptr=0x555556d3f650) = 5107
[pid 5107] set_robust_list(0x555556d3f660, 24) = 0
[pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5107] setpgid(0, 0) = 0
[pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5107] write(3, "1000", 4) = 4
[pid 5107] close(3) = 0
[pid 5107] creat("./file1", 000) = 3
[pid 5107] memfd_create("syzkaller", 0) = 4
[pid 5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5107] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5107] munmap(0x7f728a95f000, 138412032) = 0
[pid 5107] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5107] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5107] ioctl(5, LOOP_CLR_FD) = 0
[pid 5107] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5107] close(5) = 0
[pid 5107] close(4) = 0
[pid 5107] open("./file1", O_RDONLY) = 4
[pid 5107] exit_group(0) = ?
[pid 5107] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
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 5108 attached
, child_tidptr=0x555556d3f650) = 5108
[pid 5108] set_robust_list(0x555556d3f660, 24) = 0
[pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5108] setpgid(0, 0) = 0
[pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5108] write(3, "1000", 4) = 4
[pid 5108] close(3) = 0
[pid 5108] creat("./file1", 000) = 3
[pid 5108] memfd_create("syzkaller", 0) = 4
[pid 5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5108] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5108] munmap(0x7f728a95f000, 138412032) = 0
[pid 5108] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5108] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5108] ioctl(5, LOOP_CLR_FD) = 0
[pid 5108] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5108] close(5) = 0
[pid 5108] close(4) = 0
[pid 5108] open("./file1", O_RDONLY) = 4
[pid 5108] exit_group(0) = ?
[pid 5108] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=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 5109 attached
, child_tidptr=0x555556d3f650) = 5109
[pid 5109] set_robust_list(0x555556d3f660, 24) = 0
[pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5109] setpgid(0, 0) = 0
[pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5109] write(3, "1000", 4) = 4
[pid 5109] close(3) = 0
[pid 5109] creat("./file1", 000) = 3
[pid 5109] memfd_create("syzkaller", 0) = 4
[pid 5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5109] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5109] munmap(0x7f728a95f000, 138412032) = 0
[pid 5109] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5109] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5109] ioctl(5, LOOP_CLR_FD) = 0
[pid 5109] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5109] close(5) = 0
[pid 5109] close(4) = 0
[pid 5109] open("./file1", O_RDONLY) = 4
[pid 5109] exit_group(0) = ?
[pid 5109] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=0, si_stime=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 5110 attached
, child_tidptr=0x555556d3f650) = 5110
[pid 5110] set_robust_list(0x555556d3f660, 24) = 0
[pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5110] setpgid(0, 0) = 0
[pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5110] write(3, "1000", 4) = 4
[pid 5110] close(3) = 0
[pid 5110] creat("./file1", 000) = 3
[pid 5110] memfd_create("syzkaller", 0) = 4
[pid 5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5110] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5110] munmap(0x7f728a95f000, 138412032) = 0
[pid 5110] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5110] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5110] ioctl(5, LOOP_CLR_FD) = 0
[pid 5110] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5110] close(5) = 0
[pid 5110] close(4) = 0
[pid 5110] open("./file1", O_RDONLY) = 4
[pid 5110] exit_group(0) = ?
[pid 5110] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5111 attached
, child_tidptr=0x555556d3f650) = 5111
[pid 5111] set_robust_list(0x555556d3f660, 24) = 0
[pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5111] setpgid(0, 0) = 0
[pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5111] write(3, "1000", 4) = 4
[pid 5111] close(3) = 0
[pid 5111] creat("./file1", 000) = 3
[pid 5111] memfd_create("syzkaller", 0) = 4
[pid 5111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5111] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5111] munmap(0x7f728a95f000, 138412032) = 0
[pid 5111] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5111] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5111] ioctl(5, LOOP_CLR_FD) = 0
[pid 5111] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5111] close(5) = 0
[pid 5111] close(4) = 0
[pid 5111] open("./file1", O_RDONLY) = 4
[pid 5111] exit_group(0) = ?
[pid 5111] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=0, si_stime=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 5112 attached
, child_tidptr=0x555556d3f650) = 5112
[pid 5112] set_robust_list(0x555556d3f660, 24) = 0
[pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5112] setpgid(0, 0) = 0
[pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5112] write(3, "1000", 4) = 4
[pid 5112] close(3) = 0
[pid 5112] creat("./file1", 000) = 3
[pid 5112] memfd_create("syzkaller", 0) = 4
[pid 5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5112] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5112] munmap(0x7f728a95f000, 138412032) = 0
[pid 5112] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5112] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5112] ioctl(5, LOOP_CLR_FD) = 0
[pid 5112] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5112] close(5) = 0
[pid 5112] close(4) = 0
[pid 5112] open("./file1", O_RDONLY) = 4
[pid 5112] exit_group(0) = ?
[pid 5112] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
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 5113 attached
, child_tidptr=0x555556d3f650) = 5113
[pid 5113] set_robust_list(0x555556d3f660, 24) = 0
[pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5113] setpgid(0, 0) = 0
[pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5113] write(3, "1000", 4) = 4
[pid 5113] close(3) = 0
[pid 5113] creat("./file1", 000) = 3
[pid 5113] memfd_create("syzkaller", 0) = 4
[pid 5113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5113] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5113] munmap(0x7f728a95f000, 138412032) = 0
[pid 5113] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5113] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5113] ioctl(5, LOOP_CLR_FD) = 0
[pid 5113] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5113] close(5) = 0
[pid 5113] close(4) = 0
[pid 5113] open("./file1", O_RDONLY) = 4
[pid 5113] exit_group(0) = ?
[pid 5113] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5114 attached
, child_tidptr=0x555556d3f650) = 5114
[pid 5114] set_robust_list(0x555556d3f660, 24) = 0
[pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5114] setpgid(0, 0) = 0
[pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5114] write(3, "1000", 4) = 4
[pid 5114] close(3) = 0
[pid 5114] creat("./file1", 000) = 3
[pid 5114] memfd_create("syzkaller", 0) = 4
[pid 5114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5114] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5114] munmap(0x7f728a95f000, 138412032) = 0
[pid 5114] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5114] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5114] ioctl(5, LOOP_CLR_FD) = 0
[pid 5114] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5114] close(5) = 0
[pid 5114] close(4) = 0
[pid 5114] open("./file1", O_RDONLY) = 4
[pid 5114] exit_group(0) = ?
[pid 5114] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=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 5115 attached
, child_tidptr=0x555556d3f650) = 5115
[pid 5115] set_robust_list(0x555556d3f660, 24) = 0
[pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5115] setpgid(0, 0) = 0
[pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5115] write(3, "1000", 4) = 4
[pid 5115] close(3) = 0
[pid 5115] creat("./file1", 000) = 3
[pid 5115] memfd_create("syzkaller", 0) = 4
[pid 5115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5115] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5115] munmap(0x7f728a95f000, 138412032) = 0
[pid 5115] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5115] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5115] ioctl(5, LOOP_CLR_FD) = 0
[pid 5115] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5115] close(5) = 0
[pid 5115] close(4) = 0
[pid 5115] open("./file1", O_RDONLY) = 4
[pid 5115] exit_group(0) = ?
[pid 5115] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=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 5116 attached
[pid 5116] set_robust_list(0x555556d3f660, 24) = 0
[pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5058] <... clone resumed>, child_tidptr=0x555556d3f650) = 5116
[pid 5116] <... prctl resumed>) = 0
[pid 5116] setpgid(0, 0) = 0
[pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5116] write(3, "1000", 4) = 4
[pid 5116] close(3) = 0
[pid 5116] creat("./file1", 000) = 3
[pid 5116] memfd_create("syzkaller", 0) = 4
[pid 5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5116] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5116] munmap(0x7f728a95f000, 138412032) = 0
[pid 5116] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5116] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5116] ioctl(5, LOOP_CLR_FD) = 0
[pid 5116] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5116] close(5) = 0
[pid 5116] close(4) = 0
[pid 5116] open("./file1", O_RDONLY) = 4
[pid 5116] exit_group(0) = ?
[pid 5116] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
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 5117 attached
, child_tidptr=0x555556d3f650) = 5117
[pid 5117] set_robust_list(0x555556d3f660, 24) = 0
[pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5117] setpgid(0, 0) = 0
[pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5117] write(3, "1000", 4) = 4
[pid 5117] close(3) = 0
[pid 5117] creat("./file1", 000) = 3
[pid 5117] memfd_create("syzkaller", 0) = 4
[pid 5117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5117] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5117] munmap(0x7f728a95f000, 138412032) = 0
[pid 5117] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5117] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5117] ioctl(5, LOOP_CLR_FD) = 0
[pid 5117] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5117] close(5) = 0
[pid 5117] close(4) = 0
[pid 5117] open("./file1", O_RDONLY) = 4
[pid 5117] exit_group(0) = ?
[pid 5117] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5118 attached
, child_tidptr=0x555556d3f650) = 5118
[pid 5118] set_robust_list(0x555556d3f660, 24) = 0
[pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5118] setpgid(0, 0) = 0
[pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5118] write(3, "1000", 4) = 4
[pid 5118] close(3) = 0
[pid 5118] creat("./file1", 000) = 3
[pid 5118] memfd_create("syzkaller", 0) = 4
[pid 5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5118] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5118] munmap(0x7f728a95f000, 138412032) = 0
[pid 5118] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5118] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5118] ioctl(5, LOOP_CLR_FD) = 0
[pid 5118] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5118] close(5) = 0
[pid 5118] close(4) = 0
[pid 5118] open("./file1", O_RDONLY) = 4
[pid 5118] exit_group(0) = ?
[pid 5118] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5118, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
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 5119 attached
, child_tidptr=0x555556d3f650) = 5119
[pid 5119] set_robust_list(0x555556d3f660, 24) = 0
[pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5119] setpgid(0, 0) = 0
[pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5119] write(3, "1000", 4) = 4
[pid 5119] close(3) = 0
[pid 5119] creat("./file1", 000) = 3
[pid 5119] memfd_create("syzkaller", 0) = 4
[pid 5119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5119] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5119] munmap(0x7f728a95f000, 138412032) = 0
[pid 5119] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5119] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5119] ioctl(5, LOOP_CLR_FD) = 0
[pid 5119] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5119] close(5) = 0
[pid 5119] close(4) = 0
[pid 5119] open("./file1", O_RDONLY) = 4
[pid 5119] exit_group(0) = ?
[pid 5119] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5120 attached
[pid 5120] set_robust_list(0x555556d3f660, 24) = 0
[pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5058] <... clone resumed>, child_tidptr=0x555556d3f650) = 5120
[pid 5120] <... prctl resumed>) = 0
[pid 5120] setpgid(0, 0) = 0
[pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5120] write(3, "1000", 4) = 4
[pid 5120] close(3) = 0
[pid 5120] creat("./file1", 000) = 3
[pid 5120] memfd_create("syzkaller", 0) = 4
[pid 5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5120] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5120] munmap(0x7f728a95f000, 138412032) = 0
[pid 5120] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5120] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5120] ioctl(5, LOOP_CLR_FD) = 0
[pid 5120] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5120] close(5) = 0
[pid 5120] close(4) = 0
[pid 5120] open("./file1", O_RDONLY) = 4
[pid 5120] exit_group(0) = ?
[pid 5120] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
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 5121 attached
, child_tidptr=0x555556d3f650) = 5121
[pid 5121] set_robust_list(0x555556d3f660, 24) = 0
[pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5121] setpgid(0, 0) = 0
[pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5121] write(3, "1000", 4) = 4
[pid 5121] close(3) = 0
[pid 5121] creat("./file1", 000) = 3
[pid 5121] memfd_create("syzkaller", 0) = 4
[pid 5121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5121] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5121] munmap(0x7f728a95f000, 138412032) = 0
[pid 5121] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5121] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5121] ioctl(5, LOOP_CLR_FD) = 0
[pid 5121] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5121] close(5) = 0
[pid 5121] close(4) = 0
[pid 5121] open("./file1", O_RDONLY) = 4
[pid 5121] exit_group(0) = ?
[pid 5121] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5122 attached
, child_tidptr=0x555556d3f650) = 5122
[pid 5122] set_robust_list(0x555556d3f660, 24) = 0
[pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5122] setpgid(0, 0) = 0
[pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5122] write(3, "1000", 4) = 4
[pid 5122] close(3) = 0
[pid 5122] creat("./file1", 000) = 3
[pid 5122] memfd_create("syzkaller", 0) = 4
[pid 5122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5122] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5122] munmap(0x7f728a95f000, 138412032) = 0
[pid 5122] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5122] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5122] ioctl(5, LOOP_CLR_FD) = 0
[pid 5122] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5122] close(5) = 0
[pid 5122] close(4) = 0
[pid 5122] open("./file1", O_RDONLY) = 4
[pid 5122] exit_group(0) = ?
[pid 5122] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
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 5123 attached
, child_tidptr=0x555556d3f650) = 5123
[pid 5123] set_robust_list(0x555556d3f660, 24) = 0
[pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5123] setpgid(0, 0) = 0
[pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5123] write(3, "1000", 4) = 4
[pid 5123] close(3) = 0
[pid 5123] creat("./file1", 000) = 3
[pid 5123] memfd_create("syzkaller", 0) = 4
[pid 5123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5123] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5123] munmap(0x7f728a95f000, 138412032) = 0
[pid 5123] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5123] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5123] ioctl(5, LOOP_CLR_FD) = 0
[pid 5123] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5123] close(5) = 0
[pid 5123] close(4) = 0
[pid 5123] open("./file1", O_RDONLY) = 4
[pid 5123] exit_group(0) = ?
[pid 5123] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=0, si_stime=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 5124 attached
, child_tidptr=0x555556d3f650) = 5124
[pid 5124] set_robust_list(0x555556d3f660, 24) = 0
[pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5124] setpgid(0, 0) = 0
[pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5124] write(3, "1000", 4) = 4
[pid 5124] close(3) = 0
[pid 5124] creat("./file1", 000) = 3
[pid 5124] memfd_create("syzkaller", 0) = 4
[pid 5124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5124] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5124] munmap(0x7f728a95f000, 138412032) = 0
[pid 5124] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5124] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5124] ioctl(5, LOOP_CLR_FD) = 0
[pid 5124] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5124] close(5) = 0
[pid 5124] close(4) = 0
[pid 5124] open("./file1", O_RDONLY) = 4
[pid 5124] exit_group(0) = ?
[pid 5124] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5125 attached
, child_tidptr=0x555556d3f650) = 5125
[pid 5125] set_robust_list(0x555556d3f660, 24) = 0
[pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5125] setpgid(0, 0) = 0
[pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5125] write(3, "1000", 4) = 4
[pid 5125] close(3) = 0
[pid 5125] creat("./file1", 000) = 3
[pid 5125] memfd_create("syzkaller", 0) = 4
[pid 5125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5125] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5125] munmap(0x7f728a95f000, 138412032) = 0
[pid 5125] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5125] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5125] ioctl(5, LOOP_CLR_FD) = 0
[pid 5125] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5125] close(5) = 0
[pid 5125] close(4) = 0
[pid 5125] open("./file1", O_RDONLY) = 4
[pid 5125] exit_group(0) = ?
[pid 5125] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=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 5126 attached
, child_tidptr=0x555556d3f650) = 5126
[pid 5126] set_robust_list(0x555556d3f660, 24) = 0
[pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5126] setpgid(0, 0) = 0
[pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5126] write(3, "1000", 4) = 4
[ 84.142618][ T27] kauditd_printk_skb: 26 callbacks suppressed
[ 84.142634][ T27] audit: type=1804 audit(1702939410.671:157): pid=5125 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=invalid_pcr cause=open_writers comm="syz-executor129" name="/root/file1" dev="loop0" ino=2 res=1 errno=0
[pid 5126] close(3) = 0
[pid 5126] creat("./file1", 000) = 3
[pid 5126] memfd_create("syzkaller", 0) = 4
[pid 5126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5126] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5126] munmap(0x7f728a95f000, 138412032) = 0
[pid 5126] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5126] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5126] ioctl(5, LOOP_CLR_FD) = 0
[pid 5126] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5126] close(5) = 0
[pid 5126] close(4) = 0
[pid 5126] open("./file1", O_RDONLY) = 4
[pid 5126] exit_group(0) = ?
[pid 5126] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5126, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5127 attached
, child_tidptr=0x555556d3f650) = 5127
[pid 5127] set_robust_list(0x555556d3f660, 24) = 0
[ 84.269677][ T27] audit: type=1804 audit(1702939410.801:158): pid=5126 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=invalid_pcr cause=open_writers comm="syz-executor129" name="/root/file1" dev="loop0" ino=2 res=1 errno=0
[pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5127] setpgid(0, 0) = 0
[pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5127] write(3, "1000", 4) = 4
[pid 5127] close(3) = 0
[pid 5127] creat("./file1", 000) = 3
[pid 5127] memfd_create("syzkaller", 0) = 4
[pid 5127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f728a95f000
[pid 5127] write(4, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
[pid 5127] munmap(0x7f728a95f000, 138412032) = 0
[pid 5127] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 5
[pid 5127] ioctl(5, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)