./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor969559592

<...>
Warning: Permanently added '10.128.10.18' (ED25519) to the list of known hosts.
execve("./syz-executor969559592", ["./syz-executor969559592"], 0x7ffe37d8b490 /* 10 vars */) = 0
brk(NULL)                               = 0x555558664000
brk(0x555558664d00)                     = 0x555558664d00
arch_prctl(ARCH_SET_FS, 0x555558664380) = 0
set_tid_address(0x555558664650)         = 5213
set_robust_list(0x555558664660, 24)     = 0
rseq(0x555558664ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor969559592", 4096) = 27
getrandom("\xa7\x65\xcd\xb3\x56\xff\xf4\x66", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555558664d00
brk(0x555558685d00)                     = 0x555558685d00
brk(0x555558686000)                     = 0x555558686000
mprotect(0x7f387a681000, 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
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5214 attached
, child_tidptr=0x555558664650) = 5214
[pid  5214] set_robust_list(0x555558664660, 24) = 0
[pid  5214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5214] setpgid(0, 0)               = 0
[pid  5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5214] write(3, "1000", 4)         = 4
[pid  5214] close(3)                    = 0
[pid  5214] write(1, "executing program\n", 18executing program
) = 18
[pid  5214] memfd_create("syzkaller", 0) = 3
[pid  5214] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5214] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5214] munmap(0x7f3872000000, 138412032) = 0
[pid  5214] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5214] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5214] close(3)                    = 0
[pid  5214] close(4)                    = 0
[pid  5214] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777) = 0
[pid  5214] mount("/dev/loop0", "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", "ntfs3", MS_NODEV|MS_I_VERSION, "\x3d\xff\xff\xff\xff\xff\xff\xff\xff\x2c\x73\x70\x61\x72\x73\x65\x2c\x61\x63\x6c\x2c\x73\x70\x61\x72\x73\x65\x2c\x69\x6f\x63\x68\x61\x72\x73\x65\x74\x3d\x63\x70\x37\x33\x37\x2c\x66\x6d\x61\x73\x6b\x3d\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x31\x2c") = 0
[pid  5214] openat(AT_FDCWD, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", O_RDONLY|O_DIRECTORY) = 3
[pid  5214] chdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f") = 0
[pid  5214] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[   61.985612][ T5214] loop0: detected capacity change from 0 to 4096
[   62.024459][ T5214] ntfs3: loop0: Different NTFS sector size (1024) and media sector size (512).
[pid  5214] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5214] ioctl(4, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=1, ...}) = 1
[pid  5214] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 5
[pid  5214] creat("./bus", 000)         = 6
[pid  5214] pwrite64(6, "+", 1, 0)      = 1
[   62.071253][   T29] audit: type=1800 audit(1723684266.382:2): pid=5214 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="loop0" ino=33 res=0 errno=0
[   62.099925][ T5214] 
[   62.102273][ T5214] ======================================================
[   62.109285][ T5214] WARNING: possible circular locking dependency detected
[   62.116306][ T5214] 6.11.0-rc3-syzkaller-00036-g9d5906799f7d #0 Not tainted
[   62.123657][ T5214] ------------------------------------------------------
[   62.130659][ T5214] syz-executor969/5214 is trying to acquire lock:
[   62.137328][ T5214] ffff8880788e6f28 (&ni->ni_lock/4){+.+.}-{3:3}, at: attr_data_get_block+0x463/0x2ff0
[   62.146927][ T5214] 
[   62.146927][ T5214] but task is already holding lock:
[   62.154455][ T5214] ffff888015579e18 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x17c/0x3d0
[   62.163522][ T5214] 
[   62.163522][ T5214] which lock already depends on the new lock.
[   62.163522][ T5214] 
[   62.174099][ T5214] 
[   62.174099][ T5214] the existing dependency chain (in reverse order) is:
[   62.183207][ T5214] 
[   62.183207][ T5214] -> #1 (&mm->mmap_lock){++++}-{3:3}:
[   62.191022][ T5214]        lock_acquire+0x1ed/0x550
[   62.196041][ T5214]        __might_fault+0xc6/0x120
[   62.201065][ T5214]        _copy_to_user+0x2a/0xb0
[   62.205998][ T5214]        fiemap_fill_next_extent+0x235/0x410
[   62.211969][ T5214]        ni_fiemap+0x4f5/0x1910
[   62.216829][ T5214]        ntfs_fiemap+0x132/0x180
[   62.222029][ T5214]        do_vfs_ioctl+0x1c07/0x2e50
[   62.227226][ T5214]        __se_sys_ioctl+0x81/0x170
[   62.232331][ T5214]        do_syscall_64+0xf3/0x230
[   62.237380][ T5214]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   62.244047][ T5214] 
[   62.244047][ T5214] -> #0 (&ni->ni_lock/4){+.+.}-{3:3}:
[   62.251619][ T5214]        validate_chain+0x18e0/0x5900
[   62.257069][ T5214]        __lock_acquire+0x137a/0x2040
[   62.262452][ T5214]        lock_acquire+0x1ed/0x550
[   62.267468][ T5214]        __mutex_lock+0x136/0xd70
[   62.272579][ T5214]        attr_data_get_block+0x463/0x2ff0
[   62.278547][ T5214]        ntfs_file_mmap+0x4f5/0x850
[   62.284169][ T5214]        mmap_region+0xe8f/0x2090
[   62.289358][ T5214]        do_mmap+0x8f9/0x1010
[   62.294127][ T5214]        vm_mmap_pgoff+0x1dd/0x3d0
[   62.299245][ T5214]        ksys_mmap_pgoff+0x4f1/0x720
[   62.304610][ T5214]        do_syscall_64+0xf3/0x230
[   62.309719][ T5214]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   62.316209][ T5214] 
[   62.316209][ T5214] other info that might help us debug this:
[   62.316209][ T5214] 
[   62.326701][ T5214]  Possible unsafe locking scenario:
[   62.326701][ T5214] 
[   62.334149][ T5214]        CPU0                    CPU1
[   62.339700][ T5214]        ----                    ----
[   62.345133][ T5214]   lock(&mm->mmap_lock);
[   62.349570][ T5214]                                lock(&ni->ni_lock/4);
[   62.356571][ T5214]                                lock(&mm->mmap_lock);
[   62.363432][ T5214]   lock(&ni->ni_lock/4);
[   62.367858][ T5214] 
[   62.367858][ T5214]  *** DEADLOCK ***
[   62.367858][ T5214] 
[   62.376014][ T5214] 1 lock held by syz-executor969/5214:
[   62.381638][ T5214]  #0: ffff888015579e18 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x17c/0x3d0
[   62.391130][ T5214] 
[   62.391130][ T5214] stack backtrace:
[   62.397015][ T5214] CPU: 1 UID: 0 PID: 5214 Comm: syz-executor969 Not tainted 6.11.0-rc3-syzkaller-00036-g9d5906799f7d #0
[   62.408265][ T5214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
[   62.418582][ T5214] Call Trace:
[   62.422029][ T5214]  <TASK>
[   62.425000][ T5214]  dump_stack_lvl+0x241/0x360
[   62.429679][ T5214]  ? __pfx_dump_stack_lvl+0x10/0x10
[   62.434982][ T5214]  ? print_circular_bug+0x130/0x1a0
[   62.440283][ T5214]  check_noncircular+0x36a/0x4a0
[   62.445335][ T5214]  ? __pfx_check_noncircular+0x10/0x10
[   62.451084][ T5214]  ? lockdep_lock+0x123/0x2b0
[   62.455843][ T5214]  validate_chain+0x18e0/0x5900
[   62.461014][ T5214]  ? __pfx_validate_chain+0x10/0x10
[   62.466566][ T5214]  ? stack_trace_save+0x118/0x1d0
[   62.472082][ T5214]  ? deref_stack_reg+0x1c7/0x260
[   62.477395][ T5214]  ? __pfx_stack_trace_save+0x10/0x10
[   62.483046][ T5214]  ? look_up_lock_class+0x77/0x160
[   62.488489][ T5214]  ? register_lock_class+0x102/0x980
[   62.494452][ T5214]  ? __pfx_register_lock_class+0x10/0x10
[   62.500436][ T5214]  ? mark_lock+0x9a/0x350
[   62.504936][ T5214]  __lock_acquire+0x137a/0x2040
[   62.510251][ T5214]  lock_acquire+0x1ed/0x550
[   62.514922][ T5214]  ? attr_data_get_block+0x463/0x2ff0
[   62.520315][ T5214]  ? __pfx_lock_acquire+0x10/0x10
[   62.525346][ T5214]  ? __pfx_lock_acquire+0x10/0x10
[   62.530461][ T5214]  ? __pfx___might_resched+0x10/0x10
[   62.535953][ T5214]  ? __pfx_lock_release+0x10/0x10
[   62.540995][ T5214]  __mutex_lock+0x136/0xd70
[   62.545690][ T5214]  ? attr_data_get_block+0x463/0x2ff0
[   62.551678][ T5214]  ? attr_data_get_block+0x355/0x2ff0
[   62.557091][ T5214]  ? attr_data_get_block+0x463/0x2ff0
[   62.562798][ T5214]  ? __pfx___mutex_lock+0x10/0x10
[   62.567839][ T5214]  ? __up_read+0x2c2/0x6b0
[   62.572361][ T5214]  ? __pfx___up_read+0x10/0x10
[   62.577310][ T5214]  ? run_lookup_entry+0xbd/0x560
[   62.582510][ T5214]  attr_data_get_block+0x463/0x2ff0
[   62.587731][ T5214]  ? __pfx_validate_mm+0x10/0x10
[   62.592792][ T5214]  ? __pfx_stack_trace_save+0x10/0x10
[   62.598454][ T5214]  ? kasan_save_track+0x51/0x80
[   62.603499][ T5214]  ? kmem_cache_alloc_noprof+0x135/0x2a0
[   62.609752][ T5214]  ? vm_area_alloc+0x10e/0x1d0
[   62.614636][ T5214]  ? __pfx_attr_data_get_block+0x10/0x10
[   62.620374][ T5214]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   62.626462][ T5214]  ? __asan_memset+0x23/0x50
[   62.631056][ T5214]  ? lockdep_init_map_type+0xa1/0x910
[   62.637148][ T5214]  ntfs_file_mmap+0x4f5/0x850
[   62.641830][ T5214]  ? __pfx_lockdep_init_map_type+0x10/0x10
[   62.647736][ T5214]  ? __pfx_ntfs_file_mmap+0x10/0x10
[   62.652927][ T5214]  ? __mas_set_range+0x133/0x3c0
[   62.657860][ T5214]  mmap_region+0xe8f/0x2090
[   62.662526][ T5214]  ? mark_lock+0x9a/0x350
[   62.666861][ T5214]  ? __pfx_mmap_region+0x10/0x10
[   62.671885][ T5214]  ? thp_get_unmapped_area_vmflags+0x1bf/0x380
[   62.678113][ T5214]  ? cap_mmap_addr+0x163/0x2c0
[   62.682975][ T5214]  ? bpf_lsm_capable+0x9/0x10
[   62.687921][ T5214]  ? security_capable+0x90/0xb0
[   62.692867][ T5214]  do_mmap+0x8f9/0x1010
[   62.697261][ T5214]  ? __pfx_do_mmap+0x10/0x10
[   62.701858][ T5214]  ? __pfx_down_write_killable+0x10/0x10
[   62.707486][ T5214]  ? __pfx_ima_file_mmap+0x10/0x10
[   62.712593][ T5214]  ? security_mmap_file+0x178/0x1a0
[   62.717894][ T5214]  vm_mmap_pgoff+0x1dd/0x3d0
[   62.722590][ T5214]  ? __pfx_vm_mmap_pgoff+0x10/0x10
[   62.727977][ T5214]  ? __fget_files+0x29/0x470
[   62.733036][ T5214]  ? __fget_files+0x3f6/0x470
[   62.737727][ T5214]  ksys_mmap_pgoff+0x4f1/0x720
[   62.742492][ T5214]  ? __x64_sys_mmap+0x7f/0x140
[   62.747273][ T5214]  do_syscall_64+0xf3/0x230
[   62.751829][ T5214]  ? clear_bhb_loop+0x35/0x90
[   62.756513][ T5214]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   62.762499][ T5214] RIP: 0033:0x7f387a5eebd9
[   62.766918][ T5214] 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
[   62.786613][ T5214] RSP: 002b:00007ffc3dce7448 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[   62.795068][ T5214] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f387a5eebd9
[   62.804174][ T5214] RDX: 00000000027fffff RSI: 0000000000600000 RDI: 0000000020000000
[   62.812381][ T5214] RBP: 00007f387a6815f0 R08: 0000000000000005 R09: 0000000000000000
[pid  5214] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 5, 0) = 0x20000000
[pid  5214] exit_group(0)               = ?
[pid  5214] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5214, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5216
./strace-static-x86_64: Process 5216 attached
[   62.820649][ T5214] R10: 0000000004002011 R11: 0000000000000246 R12: 00007ffc3dce7480
[   62.829382][ T5214] R13: 00007ffc3dce76a8 R14: 431bde82d7b634db R15: 00007f387a63703b
[   62.837467][ T5214]  </TASK>
[pid  5216] set_robust_list(0x555558664660, 24) = 0
[pid  5216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5216] setpgid(0, 0)               = 0
[pid  5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5216] write(3, "1000", 4)         = 4
[pid  5216] close(3)                    = 0
executing program
[pid  5216] write(1, "executing program\n", 18) = 18
[pid  5216] memfd_create("syzkaller", 0) = 3
[pid  5216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5216] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5216] munmap(0x7f3872000000, 138412032) = 0
[pid  5216] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5216] close(3)                    = 0
[pid  5216] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5216] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5216] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5216] creat("./bus", 000)         = 5
[pid  5216] pwrite64(5, "+", 1, 0)      = 1
[pid  5216] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5216] exit_group(0)               = ?
[pid  5216] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5216, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5217 attached
, child_tidptr=0x555558664650) = 5217
[pid  5217] set_robust_list(0x555558664660, 24) = 0
[pid  5217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5217] setpgid(0, 0)               = 0
[pid  5217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5217] write(3, "1000", 4)         = 4
[pid  5217] close(3)                    = 0
[pid  5217] write(1, "executing program\n", 18executing program
) = 18
[pid  5217] memfd_create("syzkaller", 0) = 3
[pid  5217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[   62.971000][   T29] audit: type=1800 audit(1723684267.282:3): pid=5216 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5217] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5217] munmap(0x7f3872000000, 138412032) = 0
[pid  5217] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5217] close(3)                    = 0
[pid  5217] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5217] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5217] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5217] creat("./bus", 000)         = 5
[pid  5217] pwrite64(5, "+", 1, 0)      = 1
[pid  5217] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5217] exit_group(0)               = ?
[pid  5217] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5217, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5218 attached
, child_tidptr=0x555558664650) = 5218
[pid  5218] set_robust_list(0x555558664660, 24) = 0
[pid  5218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5218] setpgid(0, 0)               = 0
[   63.044597][   T29] audit: type=1800 audit(1723684267.352:4): pid=5217 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5218] write(3, "1000", 4)         = 4
[pid  5218] close(3)                    = 0
[pid  5218] write(1, "executing program\n", 18executing program
) = 18
[pid  5218] memfd_create("syzkaller", 0) = 3
[pid  5218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5218] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5218] munmap(0x7f3872000000, 138412032) = 0
[pid  5218] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5218] close(3)                    = 0
[pid  5218] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5218] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5218] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5218] creat("./bus", 000)         = 5
[pid  5218] pwrite64(5, "+", 1, 0)      = 1
[pid  5218] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5218] exit_group(0)               = ?
[pid  5218] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5218, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5219
./strace-static-x86_64: Process 5219 attached
[pid  5219] set_robust_list(0x555558664660, 24) = 0
[pid  5219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5219] setpgid(0, 0)               = 0
[pid  5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5219] write(3, "1000", 4)         = 4
[   63.155228][   T29] audit: type=1800 audit(1723684267.462:5): pid=5218 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5219] close(3)                    = 0
executing program
[pid  5219] write(1, "executing program\n", 18) = 18
[pid  5219] memfd_create("syzkaller", 0) = 3
[pid  5219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5219] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5219] munmap(0x7f3872000000, 138412032) = 0
[pid  5219] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5219] close(3)                    = 0
[pid  5219] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5219] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5219] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5219] creat("./bus", 000)         = 5
[pid  5219] pwrite64(5, "+", 1, 0)      = 1
[pid  5219] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5219] exit_group(0)               = ?
[pid  5219] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5219, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5220 attached
, child_tidptr=0x555558664650) = 5220
[pid  5220] set_robust_list(0x555558664660, 24) = 0
[pid  5220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5220] setpgid(0, 0)               = 0
[pid  5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5220] write(3, "1000", 4)         = 4
[pid  5220] close(3executing program
)                    = 0
[pid  5220] write(1, "executing program\n", 18) = 18
[pid  5220] memfd_create("syzkaller", 0) = 3
[pid  5220] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[   63.263730][   T29] audit: type=1800 audit(1723684267.572:6): pid=5219 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5220] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5220] munmap(0x7f3872000000, 138412032) = 0
[pid  5220] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5220] close(3)                    = 0
[pid  5220] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5220] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5220] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5220] creat("./bus", 000)         = 5
[pid  5220] pwrite64(5, "+", 1, 0)      = 1
[pid  5220] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5220] exit_group(0)               = ?
[pid  5220] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5220, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5221
./strace-static-x86_64: Process 5221 attached
[pid  5221] set_robust_list(0x555558664660, 24) = 0
[pid  5221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5221] setpgid(0, 0)               = 0
[pid  5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[   63.359478][   T29] audit: type=1800 audit(1723684267.672:7): pid=5220 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5221] write(3, "1000", 4)         = 4
[pid  5221] close(3)                    = 0
[pid  5221] write(1, "executing program\n", 18executing program
) = 18
[pid  5221] memfd_create("syzkaller", 0) = 3
[pid  5221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5221] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5221] munmap(0x7f3872000000, 138412032) = 0
[pid  5221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5221] close(3)                    = 0
[pid  5221] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5221] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5221] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5221] creat("./bus", 000)         = 5
[pid  5221] pwrite64(5, "+", 1, 0)      = 1
[pid  5221] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5221] exit_group(0)               = ?
[pid  5221] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5221, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5222 attached
, child_tidptr=0x555558664650) = 5222
[pid  5222] set_robust_list(0x555558664660, 24) = 0
[pid  5222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5222] setpgid(0, 0)               = 0
[pid  5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5222] write(3, "1000", 4)         = 4
[pid  5222] close(3)                    = 0
[pid  5222] write(1, "executing program\n", 18executing program
) = 18
[pid  5222] memfd_create("syzkaller", 0) = 3
[pid  5222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[   63.468344][   T29] audit: type=1800 audit(1723684267.772:8): pid=5221 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5222] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5222] munmap(0x7f3872000000, 138412032) = 0
[pid  5222] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5222] close(3)                    = 0
[pid  5222] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5222] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5222] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5222] creat("./bus", 000)         = 5
[pid  5222] pwrite64(5, "+", 1, 0)      = 1
[pid  5222] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5222] exit_group(0)               = ?
[pid  5222] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5222, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5223
./strace-static-x86_64: Process 5223 attached
[pid  5223] set_robust_list(0x555558664660, 24) = 0
[   63.554070][   T29] audit: type=1800 audit(1723684267.862:9): pid=5222 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5223] setpgid(0, 0)               = 0
[pid  5223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5223] write(3, "1000", 4)         = 4
[pid  5223] close(3)                    = 0
executing program
[pid  5223] write(1, "executing program\n", 18) = 18
[pid  5223] memfd_create("syzkaller", 0) = 3
[pid  5223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5223] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5223] munmap(0x7f3872000000, 138412032) = 0
[pid  5223] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5223] close(3)                    = 0
[pid  5223] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5223] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5223] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5223] creat("./bus", 000)         = 5
[pid  5223] pwrite64(5, "+", 1, 0)      = 1
[pid  5223] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5223] exit_group(0)               = ?
[pid  5223] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5223, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5224 attached
 <unfinished ...>
[pid  5224] set_robust_list(0x555558664660, 24 <unfinished ...>
[pid  5213] <... clone resumed>, child_tidptr=0x555558664650) = 5224
[pid  5224] <... set_robust_list resumed>) = 0
[   63.692617][   T29] audit: type=1800 audit(1723684268.002:10): pid=5223 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5224] setpgid(0, 0)               = 0
[pid  5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5224] write(3, "1000", 4)         = 4
[pid  5224] close(3)                    = 0
executing program
[pid  5224] write(1, "executing program\n", 18) = 18
[pid  5224] memfd_create("syzkaller", 0) = 3
[pid  5224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5224] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5224] munmap(0x7f3872000000, 138412032) = 0
[pid  5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5224] close(3)                    = 0
[pid  5224] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5224] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5224] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5224] creat("./bus", 000)         = 5
[pid  5224] pwrite64(5, "+", 1, 0)      = 1
[pid  5224] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5224] exit_group(0)               = ?
[pid  5224] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5224, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5225 attached
, child_tidptr=0x555558664650) = 5225
[pid  5225] set_robust_list(0x555558664660, 24) = 0
[pid  5225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[   63.801382][   T29] audit: type=1800 audit(1723684268.112:11): pid=5224 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5225] setpgid(0, 0)               = 0
[pid  5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5225] write(3, "1000", 4)         = 4
[pid  5225] close(3)                    = 0
executing program
[pid  5225] write(1, "executing program\n", 18) = 18
[pid  5225] memfd_create("syzkaller", 0) = 3
[pid  5225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5225] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5225] munmap(0x7f3872000000, 138412032) = 0
[pid  5225] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5225] close(3)                    = 0
[pid  5225] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5225] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5225] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5225] creat("./bus", 000)         = 5
[pid  5225] pwrite64(5, "+", 1, 0)      = 1
[pid  5225] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5225] exit_group(0)               = ?
[pid  5225] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5225, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5226
./strace-static-x86_64: Process 5226 attached
[pid  5226] set_robust_list(0x555558664660, 24) = 0
[pid  5226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5226] setpgid(0, 0)               = 0
[pid  5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5226] write(3, "1000", 4)         = 4
[pid  5226] close(3)                    = 0
executing program
[pid  5226] write(1, "executing program\n", 18) = 18
[pid  5226] memfd_create("syzkaller", 0) = 3
[pid  5226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5226] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5226] munmap(0x7f3872000000, 138412032) = 0
[pid  5226] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5226] close(3)                    = 0
[pid  5226] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5226] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5226] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5226] creat("./bus", 000)         = 5
[pid  5226] pwrite64(5, "+", 1, 0)      = 1
[pid  5226] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5226] exit_group(0)               = ?
[pid  5226] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5226, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5227
./strace-static-x86_64: Process 5227 attached
[pid  5227] set_robust_list(0x555558664660, 24) = 0
[pid  5227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5227] setpgid(0, 0)               = 0
[pid  5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5227] write(3, "1000", 4)         = 4
[pid  5227] close(3)                    = 0
[pid  5227] write(1, "executing program\n", 18executing program
) = 18
[pid  5227] memfd_create("syzkaller", 0) = 3
[pid  5227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5227] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5227] munmap(0x7f3872000000, 138412032) = 0
[pid  5227] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5227] close(3)                    = 0
[pid  5227] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5227] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5227] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5227] creat("./bus", 000)         = 5
[pid  5227] pwrite64(5, "+", 1, 0)      = 1
[pid  5227] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5227] exit_group(0)               = ?
[pid  5227] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5227, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5228 attached
, child_tidptr=0x555558664650) = 5228
[pid  5228] set_robust_list(0x555558664660, 24) = 0
[pid  5228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5228] setpgid(0, 0)               = 0
[pid  5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5228] write(3, "1000", 4)         = 4
[pid  5228] close(3)                    = 0
[pid  5228] write(1, "executing program\n", 18executing program
) = 18
[pid  5228] memfd_create("syzkaller", 0) = 3
[pid  5228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5228] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5228] munmap(0x7f3872000000, 138412032) = 0
[pid  5228] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5228] close(3)                    = 0
[pid  5228] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5228] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5228] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5228] creat("./bus", 000)         = 5
[pid  5228] pwrite64(5, "+", 1, 0)      = 1
[pid  5228] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5228] exit_group(0)               = ?
[pid  5228] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5228, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5229 attached
, child_tidptr=0x555558664650) = 5229
[pid  5229] set_robust_list(0x555558664660, 24) = 0
[pid  5229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5229] setpgid(0, 0)               = 0
[pid  5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5229] write(3, "1000", 4)         = 4
[pid  5229] close(3)                    = 0
[pid  5229] write(1, "executing program\n", 18executing program
) = 18
[pid  5229] memfd_create("syzkaller", 0) = 3
[pid  5229] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5229] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5229] munmap(0x7f3872000000, 138412032) = 0
[pid  5229] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5229] close(3)                    = 0
[pid  5229] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5229] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5229] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5229] creat("./bus", 000)         = 5
[pid  5229] pwrite64(5, "+", 1, 0)      = 1
[pid  5229] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5229] exit_group(0)               = ?
[pid  5229] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5229, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5230 attached
, child_tidptr=0x555558664650) = 5230
[pid  5230] set_robust_list(0x555558664660, 24) = 0
[pid  5230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5230] setpgid(0, 0)               = 0
[pid  5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5230] write(3, "1000", 4)         = 4
[pid  5230] close(3)                    = 0
[pid  5230] write(1, "executing program\n", 18executing program
) = 18
[pid  5230] memfd_create("syzkaller", 0) = 3
[pid  5230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5230] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5230] munmap(0x7f3872000000, 138412032) = 0
[pid  5230] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5230] close(3)                    = 0
[pid  5230] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5230] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5230] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5230] creat("./bus", 000)         = 5
[pid  5230] pwrite64(5, "+", 1, 0)      = 1
[pid  5230] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5230] exit_group(0)               = ?
[pid  5230] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5230, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5231 attached
, child_tidptr=0x555558664650) = 5231
[pid  5231] set_robust_list(0x555558664660, 24) = 0
[pid  5231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5231] setpgid(0, 0)               = 0
[pid  5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5231] write(3, "1000", 4)         = 4
[pid  5231] close(3executing program
)                    = 0
[pid  5231] write(1, "executing program\n", 18) = 18
[pid  5231] memfd_create("syzkaller", 0) = 3
[pid  5231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5231] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5231] munmap(0x7f3872000000, 138412032) = 0
[pid  5231] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5231] close(3)                    = 0
[pid  5231] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5231] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5231] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5231] creat("./bus", 000)         = 5
[pid  5231] pwrite64(5, "+", 1, 0)      = 1
[pid  5231] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5231] exit_group(0)               = ?
[pid  5231] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5231, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5232 attached
, child_tidptr=0x555558664650) = 5232
[pid  5232] set_robust_list(0x555558664660, 24) = 0
[pid  5232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5232] setpgid(0, 0)               = 0
[pid  5232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5232] write(3, "1000", 4)         = 4
[pid  5232] close(3)                    = 0
[pid  5232] write(1, "executing program\n", 18executing program
) = 18
[pid  5232] memfd_create("syzkaller", 0) = 3
[pid  5232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5232] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5232] munmap(0x7f3872000000, 138412032) = 0
[pid  5232] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5232] close(3)                    = 0
[pid  5232] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5232] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5232] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5232] creat("./bus", 000)         = 5
[pid  5232] pwrite64(5, "+", 1, 0)      = 1
[pid  5232] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5232] exit_group(0)               = ?
[pid  5232] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5232, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5233 attached
, child_tidptr=0x555558664650) = 5233
[pid  5233] set_robust_list(0x555558664660, 24) = 0
[pid  5233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5233] setpgid(0, 0)               = 0
[pid  5233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5233] write(3, "1000", 4executing program
)         = 4
[pid  5233] close(3)                    = 0
[pid  5233] write(1, "executing program\n", 18) = 18
[pid  5233] memfd_create("syzkaller", 0) = 3
[pid  5233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5233] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5233] munmap(0x7f3872000000, 138412032) = 0
[pid  5233] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5233] close(3)                    = 0
[pid  5233] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5233] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5233] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5233] creat("./bus", 000)         = 5
[pid  5233] pwrite64(5, "+", 1, 0)      = 1
[pid  5233] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5233] exit_group(0)               = ?
[pid  5233] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5233, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5234 attached
, child_tidptr=0x555558664650) = 5234
[pid  5234] set_robust_list(0x555558664660, 24) = 0
[pid  5234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5234] setpgid(0, 0)               = 0
[pid  5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5234] write(3, "1000", 4)         = 4
[pid  5234] close(3)                    = 0
executing program
[pid  5234] write(1, "executing program\n", 18) = 18
[pid  5234] memfd_create("syzkaller", 0) = 3
[pid  5234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5234] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5234] munmap(0x7f3872000000, 138412032) = 0
[pid  5234] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5234] close(3)                    = 0
[pid  5234] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5234] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5234] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5234] creat("./bus", 000)         = 5
[pid  5234] pwrite64(5, "+", 1, 0)      = 1
[pid  5234] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5234] exit_group(0)               = ?
[pid  5234] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5234, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5235 attached
, child_tidptr=0x555558664650) = 5235
[pid  5235] set_robust_list(0x555558664660, 24) = 0
[pid  5235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5235] setpgid(0, 0)               = 0
[pid  5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5235] write(3, "1000", 4)         = 4
[pid  5235] close(3)                    = 0
[pid  5235] write(1, "executing program\n", 18executing program
) = 18
[pid  5235] memfd_create("syzkaller", 0) = 3
[pid  5235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5235] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5235] munmap(0x7f3872000000, 138412032) = 0
[pid  5235] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5235] close(3)                    = 0
[pid  5235] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5235] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5235] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5235] creat("./bus", 000)         = 5
[pid  5235] pwrite64(5, "+", 1, 0)      = 1
[pid  5235] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5235] exit_group(0)               = ?
[pid  5235] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5235, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5236 attached
, child_tidptr=0x555558664650) = 5236
[pid  5236] set_robust_list(0x555558664660, 24) = 0
[pid  5236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5236] setpgid(0, 0)               = 0
[pid  5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5236] write(3, "1000", 4)         = 4
[pid  5236] close(3)                    = 0
[pid  5236] write(1, "executing program\n", 18executing program
) = 18
[pid  5236] memfd_create("syzkaller", 0) = 3
[pid  5236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5236] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5236] munmap(0x7f3872000000, 138412032) = 0
[pid  5236] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5236] close(3)                    = 0
[pid  5236] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5236] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5236] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5236] creat("./bus", 000)         = 5
[pid  5236] pwrite64(5, "+", 1, 0)      = 1
[pid  5236] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5236] exit_group(0)               = ?
[pid  5236] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5236, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5237 attached
 <unfinished ...>
[pid  5237] set_robust_list(0x555558664660, 24 <unfinished ...>
[pid  5213] <... clone resumed>, child_tidptr=0x555558664650) = 5237
[pid  5237] <... set_robust_list resumed>) = 0
[pid  5237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5237] setpgid(0, 0)               = 0
[pid  5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5237] write(3, "1000", 4)         = 4
[pid  5237] close(3executing program
)                    = 0
[pid  5237] write(1, "executing program\n", 18) = 18
[pid  5237] memfd_create("syzkaller", 0) = 3
[pid  5237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5237] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5237] munmap(0x7f3872000000, 138412032) = 0
[pid  5237] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5237] close(3)                    = 0
[pid  5237] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5237] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5237] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5237] creat("./bus", 000)         = 5
[pid  5237] pwrite64(5, "+", 1, 0)      = 1
[pid  5237] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5237] exit_group(0)               = ?
[pid  5237] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5237, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5238 attached
, child_tidptr=0x555558664650) = 5238
[pid  5238] set_robust_list(0x555558664660, 24) = 0
[pid  5238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5238] setpgid(0, 0)               = 0
[pid  5238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5238] write(3, "1000", 4)         = 4
[pid  5238] close(3)                    = 0
[pid  5238] write(1, "executing program\n", 18executing program
) = 18
[pid  5238] memfd_create("syzkaller", 0) = 3
[pid  5238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5238] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5238] munmap(0x7f3872000000, 138412032) = 0
[pid  5238] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5238] close(3)                    = 0
[pid  5238] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5238] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5238] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5238] creat("./bus", 000)         = 5
[pid  5238] pwrite64(5, "+", 1, 0)      = 1
[pid  5238] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5238] exit_group(0)               = ?
[pid  5238] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5238, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5239 attached
, child_tidptr=0x555558664650) = 5239
[pid  5239] set_robust_list(0x555558664660, 24) = 0
[pid  5239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5239] setpgid(0, 0)               = 0
[pid  5239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5239] write(3, "1000", 4)         = 4
[pid  5239] close(3)                    = 0
[pid  5239] write(1, "executing program\n", 18executing program
) = 18
[pid  5239] memfd_create("syzkaller", 0) = 3
[pid  5239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5239] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5239] munmap(0x7f3872000000, 138412032) = 0
[pid  5239] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5239] close(3)                    = 0
[pid  5239] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5239] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5239] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5239] creat("./bus", 000)         = 5
[pid  5239] pwrite64(5, "+", 1, 0)      = 1
[pid  5239] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5239] exit_group(0)               = ?
[pid  5239] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5239, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5240 attached
 <unfinished ...>
[pid  5240] set_robust_list(0x555558664660, 24 <unfinished ...>
[pid  5213] <... clone resumed>, child_tidptr=0x555558664650) = 5240
[pid  5240] <... set_robust_list resumed>) = 0
[pid  5240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5240] setpgid(0, 0)               = 0
[pid  5240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5240] write(3, "1000", 4)         = 4
[pid  5240] close(3)                    = 0
[pid  5240] write(1, "executing program\n", 18executing program
) = 18
[pid  5240] memfd_create("syzkaller", 0) = 3
[pid  5240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5240] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5240] munmap(0x7f3872000000, 138412032) = 0
[pid  5240] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5240] close(3)                    = 0
[pid  5240] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5240] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5240] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5240] creat("./bus", 000)         = 5
[pid  5240] pwrite64(5, "+", 1, 0)      = 1
[pid  5240] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5240] exit_group(0)               = ?
[pid  5240] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5240, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5241
./strace-static-x86_64: Process 5241 attached
[pid  5241] set_robust_list(0x555558664660, 24) = 0
[pid  5241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5241] setpgid(0, 0)               = 0
[pid  5241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5241] write(3, "1000", 4)         = 4
[pid  5241] close(3)                    = 0
[pid  5241] write(1, "executing program\n", 18executing program
) = 18
[pid  5241] memfd_create("syzkaller", 0) = 3
[pid  5241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5241] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5241] munmap(0x7f3872000000, 138412032) = 0
[pid  5241] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5241] close(3)                    = 0
[pid  5241] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5241] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5241] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5241] creat("./bus", 000)         = 5
[pid  5241] pwrite64(5, "+", 1, 0)      = 1
[pid  5241] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5241] exit_group(0)               = ?
[pid  5241] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5241, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5242 attached
 <unfinished ...>
[pid  5242] set_robust_list(0x555558664660, 24 <unfinished ...>
[pid  5213] <... clone resumed>, child_tidptr=0x555558664650) = 5242
[pid  5242] <... set_robust_list resumed>) = 0
[pid  5242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5242] setpgid(0, 0)               = 0
[pid  5242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5242] write(3, "1000", 4)         = 4
[pid  5242] close(3)                    = 0
[pid  5242] write(1, "executing program\n", 18executing program
) = 18
[pid  5242] memfd_create("syzkaller", 0) = 3
[pid  5242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5242] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5242] munmap(0x7f3872000000, 138412032) = 0
[pid  5242] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5242] close(3)                    = 0
[pid  5242] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5242] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5242] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5242] creat("./bus", 000)         = 5
[pid  5242] pwrite64(5, "+", 1, 0)      = 1
[pid  5242] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5242] exit_group(0)               = ?
[pid  5242] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5242, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5243 attached
, child_tidptr=0x555558664650) = 5243
[pid  5243] set_robust_list(0x555558664660, 24) = 0
[pid  5243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5243] setpgid(0, 0)               = 0
[pid  5243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5243] write(3, "1000", 4)         = 4
[pid  5243] close(3)                    = 0
[pid  5243] write(1, "executing program\n", 18) = 18
executing program
[pid  5243] memfd_create("syzkaller", 0) = 3
[pid  5243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5243] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5243] munmap(0x7f3872000000, 138412032) = 0
[pid  5243] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5243] close(3)                    = 0
[pid  5243] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5243] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5243] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5243] creat("./bus", 000)         = 5
[pid  5243] pwrite64(5, "+", 1, 0)      = 1
[pid  5243] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5243] exit_group(0)               = ?
[pid  5243] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5243, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5244 attached
, child_tidptr=0x555558664650) = 5244
[pid  5244] set_robust_list(0x555558664660, 24) = 0
[pid  5244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5244] setpgid(0, 0)               = 0
[pid  5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5244] write(3, "1000", 4)         = 4
[pid  5244] close(3)                    = 0
[pid  5244] write(1, "executing program\n", 18executing program
) = 18
[pid  5244] memfd_create("syzkaller", 0) = 3
[pid  5244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5244] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5244] munmap(0x7f3872000000, 138412032) = 0
[pid  5244] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5244] close(3)                    = 0
[pid  5244] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5244] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5244] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5244] creat("./bus", 000)         = 5
[pid  5244] pwrite64(5, "+", 1, 0)      = 1
[pid  5244] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5244] exit_group(0)               = ?
[pid  5244] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5244, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5245
./strace-static-x86_64: Process 5245 attached
[pid  5245] set_robust_list(0x555558664660, 24) = 0
[pid  5245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5245] setpgid(0, 0)               = 0
[pid  5245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5245] write(3, "1000", 4)         = 4
[pid  5245] close(3executing program
)                    = 0
[pid  5245] write(1, "executing program\n", 18) = 18
[pid  5245] memfd_create("syzkaller", 0) = 3
[pid  5245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5245] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5245] munmap(0x7f3872000000, 138412032) = 0
[pid  5245] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5245] close(3)                    = 0
[pid  5245] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5245] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5245] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5245] creat("./bus", 000)         = 5
[pid  5245] pwrite64(5, "+", 1, 0)      = 1
[pid  5245] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5245] exit_group(0)               = ?
[pid  5245] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5245, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5246
./strace-static-x86_64: Process 5246 attached
[pid  5246] set_robust_list(0x555558664660, 24) = 0
[pid  5246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5246] setpgid(0, 0)               = 0
[pid  5246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5246] write(3, "1000", 4)         = 4
[pid  5246] close(3)                    = 0
[pid  5246] write(1, "executing program\n", 18executing program
) = 18
[pid  5246] memfd_create("syzkaller", 0) = 3
[pid  5246] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5246] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5246] munmap(0x7f3872000000, 138412032) = 0
[pid  5246] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5246] close(3)                    = 0
[pid  5246] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5246] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5246] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5246] creat("./bus", 000)         = 5
[pid  5246] pwrite64(5, "+", 1, 0)      = 1
[pid  5246] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5246] exit_group(0)               = ?
[pid  5246] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5246, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5247 attached
 <unfinished ...>
[pid  5247] set_robust_list(0x555558664660, 24 <unfinished ...>
[pid  5213] <... clone resumed>, child_tidptr=0x555558664650) = 5247
[pid  5247] <... set_robust_list resumed>) = 0
[pid  5247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5247] setpgid(0, 0)               = 0
[pid  5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5247] write(3, "1000", 4)         = 4
[pid  5247] close(3)                    = 0
[pid  5247] write(1, "executing program\n", 18executing program
) = 18
[pid  5247] memfd_create("syzkaller", 0) = 3
[pid  5247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5247] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5247] munmap(0x7f3872000000, 138412032) = 0
[pid  5247] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5247] close(3)                    = 0
[pid  5247] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5247] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5247] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5247] creat("./bus", 000)         = 5
[pid  5247] pwrite64(5, "+", 1, 0)      = 1
[pid  5247] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5247] exit_group(0)               = ?
[pid  5247] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5247, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5248 attached
, child_tidptr=0x555558664650) = 5248
[pid  5248] set_robust_list(0x555558664660, 24) = 0
[pid  5248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5248] setpgid(0, 0)               = 0
[pid  5248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5248] write(3, "1000", 4)         = 4
[pid  5248] close(3)                    = 0
[pid  5248] write(1, "executing program\n", 18executing program
) = 18
[pid  5248] memfd_create("syzkaller", 0) = 3
[pid  5248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5248] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5248] munmap(0x7f3872000000, 138412032) = 0
[pid  5248] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5248] close(3)                    = 0
[pid  5248] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5248] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5248] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5248] creat("./bus", 000)         = 5
[pid  5248] pwrite64(5, "+", 1, 0)      = 1
[pid  5248] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5248] exit_group(0)               = ?
[pid  5248] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5248, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5249 attached
, child_tidptr=0x555558664650) = 5249
[pid  5249] set_robust_list(0x555558664660, 24) = 0
[pid  5249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5249] setpgid(0, 0)               = 0
[pid  5249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5249] write(3, "1000", 4)         = 4
[pid  5249] close(3)                    = 0
executing program
[pid  5249] write(1, "executing program\n", 18) = 18
[pid  5249] memfd_create("syzkaller", 0) = 3
[pid  5249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5249] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5249] munmap(0x7f3872000000, 138412032) = 0
[pid  5249] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5249] close(3)                    = 0
[pid  5249] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5249] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5249] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5249] creat("./bus", 000)         = 5
[pid  5249] pwrite64(5, "+", 1, 0)      = 1
[pid  5249] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5249] exit_group(0)               = ?
[pid  5249] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5249, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5250
./strace-static-x86_64: Process 5250 attached
[pid  5250] set_robust_list(0x555558664660, 24) = 0
[pid  5250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5250] setpgid(0, 0)               = 0
[pid  5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5250] write(3, "1000", 4)         = 4
[pid  5250] close(3)                    = 0
[pid  5250] write(1, "executing program\n", 18executing program
) = 18
[pid  5250] memfd_create("syzkaller", 0) = 3
[pid  5250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5250] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5250] munmap(0x7f3872000000, 138412032) = 0
[pid  5250] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5250] close(3)                    = 0
[pid  5250] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5250] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5250] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5250] creat("./bus", 000)         = 5
[pid  5250] pwrite64(5, "+", 1, 0)      = 1
[pid  5250] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5250] exit_group(0)               = ?
[pid  5250] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5250, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5251 attached
 <unfinished ...>
[pid  5251] set_robust_list(0x555558664660, 24 <unfinished ...>
[pid  5213] <... clone resumed>, child_tidptr=0x555558664650) = 5251
[pid  5251] <... set_robust_list resumed>) = 0
[pid  5251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5251] setpgid(0, 0)               = 0
[pid  5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5251] write(3, "1000", 4)         = 4
[pid  5251] close(3)                    = 0
executing program
[pid  5251] write(1, "executing program\n", 18) = 18
[pid  5251] memfd_create("syzkaller", 0) = 3
[pid  5251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5251] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5251] munmap(0x7f3872000000, 138412032) = 0
[pid  5251] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5251] close(3)                    = 0
[pid  5251] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5251] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5251] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5251] creat("./bus", 000)         = 5
[pid  5251] pwrite64(5, "+", 1, 0)      = 1
[pid  5251] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5251] exit_group(0)               = ?
[pid  5251] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5251, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5252 attached
, child_tidptr=0x555558664650) = 5252
[pid  5252] set_robust_list(0x555558664660, 24) = 0
[pid  5252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5252] setpgid(0, 0)               = 0
[pid  5252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5252] write(3, "1000", 4)         = 4
[pid  5252] close(3)                    = 0
executing program
[pid  5252] write(1, "executing program\n", 18) = 18
[pid  5252] memfd_create("syzkaller", 0) = 3
[pid  5252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5252] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5252] munmap(0x7f3872000000, 138412032) = 0
[pid  5252] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5252] close(3)                    = 0
[pid  5252] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5252] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5252] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5252] creat("./bus", 000)         = 5
[pid  5252] pwrite64(5, "+", 1, 0)      = 1
[pid  5252] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5252] exit_group(0)               = ?
[pid  5252] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5252, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5253 attached
, child_tidptr=0x555558664650) = 5253
[pid  5253] set_robust_list(0x555558664660, 24) = 0
[pid  5253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5253] setpgid(0, 0)               = 0
[pid  5253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5253] write(3, "1000", 4)         = 4
[pid  5253] close(3)                    = 0
[pid  5253] write(1, "executing program\n", 18executing program
) = 18
[pid  5253] memfd_create("syzkaller", 0) = 3
[pid  5253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5253] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5253] munmap(0x7f3872000000, 138412032) = 0
[pid  5253] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5253] close(3)                    = 0
[pid  5253] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5253] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5253] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5253] creat("./bus", 000)         = 5
[pid  5253] pwrite64(5, "+", 1, 0)      = 1
[pid  5253] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5253] exit_group(0)               = ?
[pid  5253] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5253, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5254 attached
, child_tidptr=0x555558664650) = 5254
[pid  5254] set_robust_list(0x555558664660, 24) = 0
[pid  5254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5254] setpgid(0, 0)               = 0
[pid  5254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5254] write(3, "1000", 4)         = 4
[pid  5254] close(3)                    = 0
[pid  5254] write(1, "executing program\n", 18executing program
) = 18
[pid  5254] memfd_create("syzkaller", 0) = 3
[pid  5254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5254] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5254] munmap(0x7f3872000000, 138412032) = 0
[pid  5254] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5254] close(3)                    = 0
[pid  5254] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5254] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5254] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5254] creat("./bus", 000)         = 5
[pid  5254] pwrite64(5, "+", 1, 0)      = 1
[pid  5254] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5254] exit_group(0)               = ?
[pid  5254] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5254, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5255 attached
 <unfinished ...>
[pid  5255] set_robust_list(0x555558664660, 24 <unfinished ...>
[pid  5213] <... clone resumed>, child_tidptr=0x555558664650) = 5255
[pid  5255] <... set_robust_list resumed>) = 0
[pid  5255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5255] setpgid(0, 0)               = 0
[pid  5255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5255] write(3, "1000", 4)         = 4
[pid  5255] close(3)                    = 0
[pid  5255] write(1, "executing program\n", 18executing program
) = 18
[pid  5255] memfd_create("syzkaller", 0) = 3
[pid  5255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5255] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5255] munmap(0x7f3872000000, 138412032) = 0
[pid  5255] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5255] close(3)                    = 0
[pid  5255] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5255] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5255] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5255] creat("./bus", 000)         = 5
[pid  5255] pwrite64(5, "+", 1, 0)      = 1
[pid  5255] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5255] exit_group(0)               = ?
[pid  5255] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5255, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5256
./strace-static-x86_64: Process 5256 attached
[pid  5256] set_robust_list(0x555558664660, 24) = 0
[pid  5256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5256] setpgid(0, 0)               = 0
[pid  5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5256] write(3, "1000", 4)         = 4
[pid  5256] close(3)                    = 0
[pid  5256] write(1, "executing program\n", 18executing program
) = 18
[pid  5256] memfd_create("syzkaller", 0) = 3
[pid  5256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5256] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5256] munmap(0x7f3872000000, 138412032) = 0
[pid  5256] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5256] close(3)                    = 0
[pid  5256] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5256] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5256] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5256] creat("./bus", 000)         = 5
[pid  5256] pwrite64(5, "+", 1, 0)      = 1
[pid  5256] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5256] exit_group(0)               = ?
[pid  5256] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5256, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5257 attached
, child_tidptr=0x555558664650) = 5257
[pid  5257] set_robust_list(0x555558664660, 24) = 0
[pid  5257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5257] setpgid(0, 0)               = 0
[pid  5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5257] write(3, "1000", 4)         = 4
[pid  5257] close(3)                    = 0
[pid  5257] write(1, "executing program\n", 18executing program
) = 18
[pid  5257] memfd_create("syzkaller", 0) = 3
[pid  5257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5257] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5257] munmap(0x7f3872000000, 138412032) = 0
[pid  5257] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5257] close(3)                    = 0
[pid  5257] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5257] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5257] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5257] creat("./bus", 000)         = 5
[pid  5257] pwrite64(5, "+", 1, 0)      = 1
[pid  5257] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5257] exit_group(0)               = ?
[pid  5257] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5257, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5258
./strace-static-x86_64: Process 5258 attached
[pid  5258] set_robust_list(0x555558664660, 24) = 0
[pid  5258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5258] setpgid(0, 0)               = 0
[pid  5258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5258] write(3, "1000", 4)         = 4
[pid  5258] close(3executing program
)                    = 0
[pid  5258] write(1, "executing program\n", 18) = 18
[pid  5258] memfd_create("syzkaller", 0) = 3
[pid  5258] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5258] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5258] munmap(0x7f3872000000, 138412032) = 0
[pid  5258] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5258] close(3)                    = 0
[pid  5258] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5258] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5258] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5258] creat("./bus", 000)         = 5
[pid  5258] pwrite64(5, "+", 1, 0)      = 1
[pid  5258] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5258] exit_group(0)               = ?
[pid  5258] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5258, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5259 attached
, child_tidptr=0x555558664650) = 5259
[pid  5259] set_robust_list(0x555558664660, 24) = 0
[pid  5259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5259] setpgid(0, 0)               = 0
[pid  5259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5259] write(3, "1000", 4)         = 4
[pid  5259] close(3)                    = 0
[pid  5259] write(1, "executing program\n", 18executing program
) = 18
[pid  5259] memfd_create("syzkaller", 0) = 3
[pid  5259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5259] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5259] munmap(0x7f3872000000, 138412032) = 0
[pid  5259] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5259] close(3)                    = 0
[pid  5259] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5259] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5259] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5259] creat("./bus", 000)         = 5
[pid  5259] pwrite64(5, "+", 1, 0)      = 1
[pid  5259] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5259] exit_group(0)               = ?
[pid  5259] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5259, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5260 attached
 <unfinished ...>
[pid  5260] set_robust_list(0x555558664660, 24 <unfinished ...>
[pid  5213] <... clone resumed>, child_tidptr=0x555558664650) = 5260
[pid  5260] <... set_robust_list resumed>) = 0
[pid  5260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5260] setpgid(0, 0)               = 0
[pid  5260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5260] write(3, "1000", 4)         = 4
[pid  5260] close(3)                    = 0
executing program
[pid  5260] write(1, "executing program\n", 18) = 18
[pid  5260] memfd_create("syzkaller", 0) = 3
[pid  5260] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5260] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5260] munmap(0x7f3872000000, 138412032) = 0
[pid  5260] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5260] close(3)                    = 0
[pid  5260] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5260] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5260] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5260] creat("./bus", 000)         = 5
[pid  5260] pwrite64(5, "+", 1, 0)      = 1
[pid  5260] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5260] exit_group(0)               = ?
[pid  5260] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5260, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5261 attached
, child_tidptr=0x555558664650) = 5261
[pid  5261] set_robust_list(0x555558664660, 24) = 0
[pid  5261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5261] setpgid(0, 0)               = 0
[pid  5261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5261] write(3, "1000", 4)         = 4
[pid  5261] close(3)                    = 0
executing program
[pid  5261] write(1, "executing program\n", 18) = 18
[pid  5261] memfd_create("syzkaller", 0) = 3
[pid  5261] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5261] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5261] munmap(0x7f3872000000, 138412032) = 0
[pid  5261] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5261] close(3)                    = 0
[pid  5261] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5261] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5261] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5261] creat("./bus", 000)         = 5
[pid  5261] pwrite64(5, "+", 1, 0)      = 1
[pid  5261] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5261] exit_group(0)               = ?
[pid  5261] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5261, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5262
./strace-static-x86_64: Process 5262 attached
[pid  5262] set_robust_list(0x555558664660, 24) = 0
[pid  5262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5262] setpgid(0, 0)               = 0
[pid  5262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5262] write(3, "1000", 4)         = 4
[pid  5262] close(3)                    = 0
executing program
[pid  5262] write(1, "executing program\n", 18) = 18
[pid  5262] memfd_create("syzkaller", 0) = 3
[pid  5262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5262] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5262] munmap(0x7f3872000000, 138412032) = 0
[pid  5262] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5262] close(3)                    = 0
[pid  5262] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5262] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5262] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5262] creat("./bus", 000)         = 5
[pid  5262] pwrite64(5, "+", 1, 0)      = 1
[pid  5262] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5262] exit_group(0)               = ?
[pid  5262] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5262, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5263
./strace-static-x86_64: Process 5263 attached
[pid  5263] set_robust_list(0x555558664660, 24) = 0
[pid  5263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5263] setpgid(0, 0)               = 0
[pid  5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5263] write(3, "1000", 4)         = 4
[pid  5263] close(3executing program
)                    = 0
[pid  5263] write(1, "executing program\n", 18) = 18
[pid  5263] memfd_create("syzkaller", 0) = 3
[pid  5263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5263] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5263] munmap(0x7f3872000000, 138412032) = 0
[pid  5263] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5263] close(3)                    = 0
[pid  5263] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5263] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5263] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5263] creat("./bus", 000)         = 5
[pid  5263] pwrite64(5, "+", 1, 0)      = 1
[pid  5263] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5263] exit_group(0)               = ?
[pid  5263] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5263, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5264
./strace-static-x86_64: Process 5264 attached
[pid  5264] set_robust_list(0x555558664660, 24) = 0
[pid  5264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5264] setpgid(0, 0)               = 0
[pid  5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5264] write(3, "1000", 4)         = 4
[pid  5264] close(3)                    = 0
executing program
[pid  5264] write(1, "executing program\n", 18) = 18
[pid  5264] memfd_create("syzkaller", 0) = 3
[pid  5264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5264] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5264] munmap(0x7f3872000000, 138412032) = 0
[pid  5264] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5264] close(3)                    = 0
[pid  5264] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5264] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5264] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5264] creat("./bus", 000)         = 5
[pid  5264] pwrite64(5, "+", 1, 0)      = 1
[pid  5264] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5264] exit_group(0)               = ?
[pid  5264] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5264, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5265 attached
, child_tidptr=0x555558664650) = 5265
[pid  5265] set_robust_list(0x555558664660, 24) = 0
[pid  5265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5265] setpgid(0, 0)               = 0
[pid  5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5265] write(3, "1000", 4)         = 4
[pid  5265] close(3)                    = 0
executing program
[pid  5265] write(1, "executing program\n", 18) = 18
[pid  5265] memfd_create("syzkaller", 0) = 3
[pid  5265] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[   67.101104][   T29] kauditd_printk_skb: 39 callbacks suppressed
[   67.101120][   T29] audit: type=1800 audit(1723684271.412:51): pid=5264 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5265] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5265] munmap(0x7f3872000000, 138412032) = 0
[pid  5265] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5265] close(3)                    = 0
[pid  5265] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5265] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5265] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5265] creat("./bus", 000)         = 5
[pid  5265] pwrite64(5, "+", 1, 0)      = 1
[pid  5265] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5265] exit_group(0)               = ?
[pid  5265] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5265, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5266 attached
, child_tidptr=0x555558664650) = 5266
[   67.210996][   T29] audit: type=1800 audit(1723684271.522:52): pid=5265 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5266] set_robust_list(0x555558664660, 24) = 0
[pid  5266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5266] setpgid(0, 0)               = 0
[pid  5266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5266] write(3, "1000", 4)         = 4
[pid  5266] close(3)                    = 0
executing program
[pid  5266] write(1, "executing program\n", 18) = 18
[pid  5266] memfd_create("syzkaller", 0) = 3
[pid  5266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5266] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5266] munmap(0x7f3872000000, 138412032) = 0
[pid  5266] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5266] close(3)                    = 0
[pid  5266] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5266] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5266] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5266] creat("./bus", 000)         = 5
[pid  5266] pwrite64(5, "+", 1, 0)      = 1
[pid  5266] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5266] exit_group(0)               = ?
[pid  5266] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5266, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5267 attached
[   67.357872][   T29] audit: type=1800 audit(1723684271.662:53): pid=5266 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
, child_tidptr=0x555558664650) = 5267
[pid  5267] set_robust_list(0x555558664660, 24) = 0
[pid  5267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5267] setpgid(0, 0)               = 0
[pid  5267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5267] write(3, "1000", 4)         = 4
[pid  5267] close(3)                    = 0
executing program
[pid  5267] write(1, "executing program\n", 18) = 18
[pid  5267] memfd_create("syzkaller", 0) = 3
[pid  5267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5267] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5267] munmap(0x7f3872000000, 138412032) = 0
[pid  5267] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5267] close(3)                    = 0
[pid  5267] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5267] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5267] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5267] creat("./bus", 000)         = 5
[pid  5267] pwrite64(5, "+", 1, 0)      = 1
[pid  5267] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5267] exit_group(0)               = ?
[pid  5267] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5267, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5268
./strace-static-x86_64: Process 5268 attached
[pid  5268] set_robust_list(0x555558664660, 24) = 0
[pid  5268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[   67.459509][   T29] audit: type=1800 audit(1723684271.772:54): pid=5267 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5268] setpgid(0, 0)               = 0
[pid  5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5268] write(3, "1000", 4)         = 4
[pid  5268] close(3)                    = 0
executing program
[pid  5268] write(1, "executing program\n", 18) = 18
[pid  5268] memfd_create("syzkaller", 0) = 3
[pid  5268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5268] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5268] munmap(0x7f3872000000, 138412032) = 0
[pid  5268] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5268] close(3)                    = 0
[pid  5268] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5268] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5268] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5268] creat("./bus", 000)         = 5
[pid  5268] pwrite64(5, "+", 1, 0)      = 1
[pid  5268] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5268] exit_group(0)               = ?
[pid  5268] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5268, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5269
./strace-static-x86_64: Process 5269 attached
[pid  5269] set_robust_list(0x555558664660, 24) = 0
[   67.586929][   T29] audit: type=1800 audit(1723684271.892:55): pid=5268 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5269] setpgid(0, 0)               = 0
[pid  5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5269] write(3, "1000", 4)         = 4
[pid  5269] close(3)                    = 0
[pid  5269] write(1, "executing program\n", 18executing program
) = 18
[pid  5269] memfd_create("syzkaller", 0) = 3
[pid  5269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5269] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5269] munmap(0x7f3872000000, 138412032) = 0
[pid  5269] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5269] close(3)                    = 0
[pid  5269] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5269] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5269] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5269] creat("./bus", 000)         = 5
[pid  5269] pwrite64(5, "+", 1, 0)      = 1
[pid  5269] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5269] exit_group(0)               = ?
[pid  5269] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5269, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5270 attached
, child_tidptr=0x555558664650) = 5270
[   67.717070][   T29] audit: type=1800 audit(1723684272.022:56): pid=5269 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5270] set_robust_list(0x555558664660, 24) = 0
[pid  5270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5270] setpgid(0, 0)               = 0
[pid  5270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5270] write(3, "1000", 4)         = 4
[pid  5270] close(3)                    = 0
[pid  5270] write(1, "executing program\n", 18executing program
) = 18
[pid  5270] memfd_create("syzkaller", 0) = 3
[pid  5270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5270] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5270] munmap(0x7f3872000000, 138412032) = 0
[pid  5270] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5270] close(3)                    = 0
[pid  5270] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5270] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5270] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5270] creat("./bus", 000)         = 5
[pid  5270] pwrite64(5, "+", 1, 0)      = 1
[pid  5270] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5270] exit_group(0)               = ?
[pid  5270] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5270, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5271
./strace-static-x86_64: Process 5271 attached
[pid  5271] set_robust_list(0x555558664660, 24) = 0
[   67.854197][   T29] audit: type=1800 audit(1723684272.162:57): pid=5270 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5271] setpgid(0, 0)               = 0
[pid  5271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5271] write(3, "1000", 4)         = 4
[pid  5271] close(3)                    = 0
executing program
[pid  5271] write(1, "executing program\n", 18) = 18
[pid  5271] memfd_create("syzkaller", 0) = 3
[pid  5271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5271] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5271] munmap(0x7f3872000000, 138412032) = 0
[pid  5271] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5271] close(3)                    = 0
[pid  5271] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5271] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5271] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5271] creat("./bus", 000)         = 5
[pid  5271] pwrite64(5, "+", 1, 0)      = 1
[pid  5271] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5271] exit_group(0)               = ?
[pid  5271] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5271, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5272
./strace-static-x86_64: Process 5272 attached
[pid  5272] set_robust_list(0x555558664660, 24) = 0
[pid  5272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5272] setpgid(0, 0)               = 0
[pid  5272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5272] write(3, "1000", 4)         = 4
[   67.968416][   T29] audit: type=1800 audit(1723684272.272:58): pid=5271 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5272] close(3)                    = 0
executing program
[pid  5272] write(1, "executing program\n", 18) = 18
[pid  5272] memfd_create("syzkaller", 0) = 3
[pid  5272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5272] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5272] munmap(0x7f3872000000, 138412032) = 0
[pid  5272] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5272] close(3)                    = 0
[pid  5272] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5272] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5272] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5272] creat("./bus", 000)         = 5
[pid  5272] pwrite64(5, "+", 1, 0)      = 1
[pid  5272] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5272] exit_group(0)               = ?
[pid  5272] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5272, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5273
./strace-static-x86_64: Process 5273 attached
[pid  5273] set_robust_list(0x555558664660, 24) = 0
[pid  5273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5273] setpgid(0, 0)               = 0
[pid  5273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5273] write(3, "1000", 4)         = 4
[pid  5273] close(3)                    = 0
[pid  5273] write(1, "executing program\n", 18executing program
) = 18
[pid  5273] memfd_create("syzkaller", 0) = 3
[pid  5273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[   68.073381][   T29] audit: type=1800 audit(1723684272.382:59): pid=5272 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5273] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5273] munmap(0x7f3872000000, 138412032) = 0
[pid  5273] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5273] close(3)                    = 0
[pid  5273] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5273] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5273] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5273] creat("./bus", 000)         = 5
[pid  5273] pwrite64(5, "+", 1, 0)      = 1
[pid  5273] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5273] exit_group(0)               = ?
[pid  5273] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5273, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5274
./strace-static-x86_64: Process 5274 attached
[pid  5274] set_robust_list(0x555558664660, 24) = 0
[   68.154113][   T29] audit: type=1800 audit(1723684272.462:60): pid=5273 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor969" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5274] setpgid(0, 0)               = 0
[pid  5274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5274] write(3, "1000", 4)         = 4
[pid  5274] close(3)                    = 0
[pid  5274] write(1, "executing program\n", 18executing program
) = 18
[pid  5274] memfd_create("syzkaller", 0) = 3
[pid  5274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5274] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5274] munmap(0x7f3872000000, 138412032) = 0
[pid  5274] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5274] close(3)                    = 0
[pid  5274] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5274] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5274] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5274] creat("./bus", 000)         = 5
[pid  5274] pwrite64(5, "+", 1, 0)      = 1
[pid  5274] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5274] exit_group(0)               = ?
[pid  5274] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5274, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5275
./strace-static-x86_64: Process 5275 attached
[pid  5275] set_robust_list(0x555558664660, 24) = 0
[pid  5275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5275] setpgid(0, 0)               = 0
[pid  5275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5275] write(3, "1000", 4)         = 4
[pid  5275] close(3)                    = 0
executing program
[pid  5275] write(1, "executing program\n", 18) = 18
[pid  5275] memfd_create("syzkaller", 0) = 3
[pid  5275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5275] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5275] munmap(0x7f3872000000, 138412032) = 0
[pid  5275] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5275] close(3)                    = 0
[pid  5275] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5275] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5275] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5275] creat("./bus", 000)         = 5
[pid  5275] pwrite64(5, "+", 1, 0)      = 1
[pid  5275] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5275] exit_group(0)               = ?
[pid  5275] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5275, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5276 attached
, child_tidptr=0x555558664650) = 5276
[pid  5276] set_robust_list(0x555558664660, 24) = 0
[pid  5276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5276] setpgid(0, 0)               = 0
[pid  5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5276] write(3, "1000", 4)         = 4
[pid  5276] close(3)                    = 0
executing program
[pid  5276] write(1, "executing program\n", 18) = 18
[pid  5276] memfd_create("syzkaller", 0) = 3
[pid  5276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5276] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5276] munmap(0x7f3872000000, 138412032) = 0
[pid  5276] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5276] close(3)                    = 0
[pid  5276] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5276] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5276] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5276] creat("./bus", 000)         = 5
[pid  5276] pwrite64(5, "+", 1, 0)      = 1
[pid  5276] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5276] exit_group(0)               = ?
[pid  5276] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5276, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5277
./strace-static-x86_64: Process 5277 attached
[pid  5277] set_robust_list(0x555558664660, 24) = 0
[pid  5277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5277] setpgid(0, 0)               = 0
[pid  5277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5277] write(3, "1000", 4)         = 4
[pid  5277] close(3)                    = 0
[pid  5277] write(1, "executing program\n", 18executing program
) = 18
[pid  5277] memfd_create("syzkaller", 0) = 3
[pid  5277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5277] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5277] munmap(0x7f3872000000, 138412032) = 0
[pid  5277] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5277] close(3)                    = 0
[pid  5277] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5277] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5277] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5277] creat("./bus", 000)         = 5
[pid  5277] pwrite64(5, "+", 1, 0)      = 1
[pid  5277] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5277] exit_group(0)               = ?
[pid  5277] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5277, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5278 attached
, child_tidptr=0x555558664650) = 5278
[pid  5278] set_robust_list(0x555558664660, 24) = 0
[pid  5278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5278] setpgid(0, 0)               = 0
[pid  5278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5278] write(3, "1000", 4)         = 4
[pid  5278] close(3)                    = 0
[pid  5278] write(1, "executing program\n", 18executing program
) = 18
[pid  5278] memfd_create("syzkaller", 0) = 3
[pid  5278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5278] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5278] munmap(0x7f3872000000, 138412032) = 0
[pid  5278] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5278] close(3)                    = 0
[pid  5278] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5278] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5278] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5278] creat("./bus", 000)         = 5
[pid  5278] pwrite64(5, "+", 1, 0)      = 1
[pid  5278] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5278] exit_group(0)               = ?
[pid  5278] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5278, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5279 attached
, child_tidptr=0x555558664650) = 5279
[pid  5279] set_robust_list(0x555558664660, 24) = 0
[pid  5279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5279] setpgid(0, 0)               = 0
[pid  5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5279] write(3, "1000", 4)         = 4
[pid  5279] close(3)                    = 0
executing program
[pid  5279] write(1, "executing program\n", 18) = 18
[pid  5279] memfd_create("syzkaller", 0) = 3
[pid  5279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5279] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5279] munmap(0x7f3872000000, 138412032) = 0
[pid  5279] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5279] close(3)                    = 0
[pid  5279] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5279] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5279] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5279] creat("./bus", 000)         = 5
[pid  5279] pwrite64(5, "+", 1, 0)      = 1
[pid  5279] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5279] exit_group(0)               = ?
[pid  5279] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5279, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5280 attached
, child_tidptr=0x555558664650) = 5280
[pid  5280] set_robust_list(0x555558664660, 24) = 0
[pid  5280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5280] setpgid(0, 0)               = 0
[pid  5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5280] write(3, "1000", 4)         = 4
[pid  5280] close(3)                    = 0
[pid  5280] write(1, "executing program\n", 18executing program
) = 18
[pid  5280] memfd_create("syzkaller", 0) = 3
[pid  5280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5280] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5280] munmap(0x7f3872000000, 138412032) = 0
[pid  5280] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5280] close(3)                    = 0
[pid  5280] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5280] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5280] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5280] creat("./bus", 000)         = 5
[pid  5280] pwrite64(5, "+", 1, 0)      = 1
[pid  5280] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5280] exit_group(0)               = ?
[pid  5280] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5280, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5281 attached
, child_tidptr=0x555558664650) = 5281
[pid  5281] set_robust_list(0x555558664660, 24) = 0
[pid  5281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5281] setpgid(0, 0)               = 0
[pid  5281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5281] write(3, "1000", 4)         = 4
[pid  5281] close(3executing program
)                    = 0
[pid  5281] write(1, "executing program\n", 18) = 18
[pid  5281] memfd_create("syzkaller", 0) = 3
[pid  5281] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5281] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5281] munmap(0x7f3872000000, 138412032) = 0
[pid  5281] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5281] close(3)                    = 0
[pid  5281] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5281] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5281] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5281] creat("./bus", 000)         = 5
[pid  5281] pwrite64(5, "+", 1, 0)      = 1
[pid  5281] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5281] exit_group(0)               = ?
[pid  5281] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5281, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5282 attached
, child_tidptr=0x555558664650) = 5282
[pid  5282] set_robust_list(0x555558664660, 24) = 0
[pid  5282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5282] setpgid(0, 0)               = 0
[pid  5282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5282] write(3, "1000", 4)         = 4
[pid  5282] close(3)                    = 0
[pid  5282] write(1, "executing program\n", 18executing program
) = 18
[pid  5282] memfd_create("syzkaller", 0) = 3
[pid  5282] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5282] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5282] munmap(0x7f3872000000, 138412032) = 0
[pid  5282] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5282] close(3)                    = 0
[pid  5282] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5282] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5282] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5282] creat("./bus", 000)         = 5
[pid  5282] pwrite64(5, "+", 1, 0)      = 1
[pid  5282] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5282] exit_group(0)               = ?
[pid  5282] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5282, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5283
./strace-static-x86_64: Process 5283 attached
[pid  5283] set_robust_list(0x555558664660, 24) = 0
[pid  5283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5283] setpgid(0, 0)               = 0
[pid  5283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5283] write(3, "1000", 4)         = 4
[pid  5283] close(3)                    = 0
executing program
[pid  5283] write(1, "executing program\n", 18) = 18
[pid  5283] memfd_create("syzkaller", 0) = 3
[pid  5283] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5283] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5283] munmap(0x7f3872000000, 138412032) = 0
[pid  5283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5283] close(3)                    = 0
[pid  5283] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5283] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5283] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5283] creat("./bus", 000)         = 5
[pid  5283] pwrite64(5, "+", 1, 0)      = 1
[pid  5283] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5283] exit_group(0)               = ?
[pid  5283] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5283, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5284
./strace-static-x86_64: Process 5284 attached
[pid  5284] set_robust_list(0x555558664660, 24) = 0
[pid  5284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5284] setpgid(0, 0)               = 0
[pid  5284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5284] write(3, "1000", 4)         = 4
[pid  5284] close(3executing program
)                    = 0
[pid  5284] write(1, "executing program\n", 18) = 18
[pid  5284] memfd_create("syzkaller", 0) = 3
[pid  5284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5284] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5284] munmap(0x7f3872000000, 138412032) = 0
[pid  5284] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5284] close(3)                    = 0
[pid  5284] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5284] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5284] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5284] creat("./bus", 000)         = 5
[pid  5284] pwrite64(5, "+", 1, 0)      = 1
[pid  5284] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5284] exit_group(0)               = ?
[pid  5284] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5284, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5285 attached
, child_tidptr=0x555558664650) = 5285
[pid  5285] set_robust_list(0x555558664660, 24) = 0
[pid  5285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5285] setpgid(0, 0)               = 0
[pid  5285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5285] write(3, "1000", 4)         = 4
[pid  5285] close(3)                    = 0
executing program
[pid  5285] write(1, "executing program\n", 18) = 18
[pid  5285] memfd_create("syzkaller", 0) = 3
[pid  5285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5285] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5285] munmap(0x7f3872000000, 138412032) = 0
[pid  5285] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5285] close(3)                    = 0
[pid  5285] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5285] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5285] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5285] creat("./bus", 000)         = 5
[pid  5285] pwrite64(5, "+", 1, 0)      = 1
[pid  5285] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5285] exit_group(0)               = ?
[pid  5285] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5285, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5286 attached
, child_tidptr=0x555558664650) = 5286
[pid  5286] set_robust_list(0x555558664660, 24) = 0
[pid  5286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5286] setpgid(0, 0)               = 0
[pid  5286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5286] write(3, "1000", 4)         = 4
[pid  5286] close(3)                    = 0
executing program
[pid  5286] write(1, "executing program\n", 18) = 18
[pid  5286] memfd_create("syzkaller", 0) = 3
[pid  5286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5286] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5286] munmap(0x7f3872000000, 138412032) = 0
[pid  5286] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5286] close(3)                    = 0
[pid  5286] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5286] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5286] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5286] creat("./bus", 000)         = 5
[pid  5286] pwrite64(5, "+", 1, 0)      = 1
[pid  5286] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5286] exit_group(0)               = ?
[pid  5286] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5286, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5287 attached
, child_tidptr=0x555558664650) = 5287
[pid  5287] set_robust_list(0x555558664660, 24) = 0
[pid  5287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5287] setpgid(0, 0)               = 0
[pid  5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5287] write(3, "1000", 4)         = 4
[pid  5287] close(3)                    = 0
[pid  5287] write(1, "executing program\n", 18executing program
) = 18
[pid  5287] memfd_create("syzkaller", 0) = 3
[pid  5287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5287] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5287] munmap(0x7f3872000000, 138412032) = 0
[pid  5287] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5287] close(3)                    = 0
[pid  5287] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5287] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5287] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5287] creat("./bus", 000)         = 5
[pid  5287] pwrite64(5, "+", 1, 0)      = 1
[pid  5287] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5287] exit_group(0)               = ?
[pid  5287] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5287, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5288
./strace-static-x86_64: Process 5288 attached
[pid  5288] set_robust_list(0x555558664660, 24) = 0
[pid  5288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5288] setpgid(0, 0)               = 0
[pid  5288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5288] write(3, "1000", 4)         = 4
[pid  5288] close(3)                    = 0
executing program
[pid  5288] write(1, "executing program\n", 18) = 18
[pid  5288] memfd_create("syzkaller", 0) = 3
[pid  5288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5288] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5288] munmap(0x7f3872000000, 138412032) = 0
[pid  5288] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5288] close(3)                    = 0
[pid  5288] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5288] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5288] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5288] creat("./bus", 000)         = 5
[pid  5288] pwrite64(5, "+", 1, 0)      = 1
[pid  5288] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5288] exit_group(0)               = ?
[pid  5288] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5288, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5289
./strace-static-x86_64: Process 5289 attached
[pid  5289] set_robust_list(0x555558664660, 24) = 0
[pid  5289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5289] setpgid(0, 0)               = 0
[pid  5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5289] write(3, "1000", 4)         = 4
[pid  5289] close(3)                    = 0
[pid  5289] write(1, "executing program\n", 18executing program
) = 18
[pid  5289] memfd_create("syzkaller", 0) = 3
[pid  5289] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5289] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5289] munmap(0x7f3872000000, 138412032) = 0
[pid  5289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5289] close(3)                    = 0
[pid  5289] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5289] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5289] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5289] creat("./bus", 000)         = 5
[pid  5289] pwrite64(5, "+", 1, 0)      = 1
[pid  5289] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5289] exit_group(0)               = ?
[pid  5289] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5289, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5290
./strace-static-x86_64: Process 5290 attached
[pid  5290] set_robust_list(0x555558664660, 24) = 0
[pid  5290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5290] setpgid(0, 0)               = 0
[pid  5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5290] write(3, "1000", 4)         = 4
[pid  5290] close(3)                    = 0
executing program
[pid  5290] write(1, "executing program\n", 18) = 18
[pid  5290] memfd_create("syzkaller", 0) = 3
[pid  5290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5290] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5290] munmap(0x7f3872000000, 138412032) = 0
[pid  5290] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5290] close(3)                    = 0
[pid  5290] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5290] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5290] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5290] creat("./bus", 000)         = 5
[pid  5290] pwrite64(5, "+", 1, 0)      = 1
[pid  5290] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5290] exit_group(0)               = ?
[pid  5290] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5290, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5291 attached
, child_tidptr=0x555558664650) = 5291
[pid  5291] set_robust_list(0x555558664660, 24) = 0
[pid  5291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5291] setpgid(0, 0)               = 0
[pid  5291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5291] write(3, "1000", 4)         = 4
[pid  5291] close(3executing program
)                    = 0
[pid  5291] write(1, "executing program\n", 18) = 18
[pid  5291] memfd_create("syzkaller", 0) = 3
[pid  5291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5291] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5291] munmap(0x7f3872000000, 138412032) = 0
[pid  5291] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5291] close(3)                    = 0
[pid  5291] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5291] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5291] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5291] creat("./bus", 000)         = 5
[pid  5291] pwrite64(5, "+", 1, 0)      = 1
[pid  5291] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5291] exit_group(0)               = ?
[pid  5291] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5291, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5292 attached
, child_tidptr=0x555558664650) = 5292
[pid  5292] set_robust_list(0x555558664660, 24) = 0
[pid  5292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5292] setpgid(0, 0)               = 0
[pid  5292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5292] write(3, "1000", 4)         = 4
[pid  5292] close(3)                    = 0
[pid  5292] write(1, "executing program\n", 18executing program
) = 18
[pid  5292] memfd_create("syzkaller", 0) = 3
[pid  5292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5292] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5292] munmap(0x7f3872000000, 138412032) = 0
[pid  5292] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5292] close(3)                    = 0
[pid  5292] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5292] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5292] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5292] creat("./bus", 000)         = 5
[pid  5292] pwrite64(5, "+", 1, 0)      = 1
[pid  5292] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5292] exit_group(0)               = ?
[pid  5292] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5292, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5293 attached
, child_tidptr=0x555558664650) = 5293
[pid  5293] set_robust_list(0x555558664660, 24) = 0
[pid  5293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5293] setpgid(0, 0)               = 0
[pid  5293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5293] write(3, "1000", 4)         = 4
[pid  5293] close(3)                    = 0
executing program
[pid  5293] write(1, "executing program\n", 18) = 18
[pid  5293] memfd_create("syzkaller", 0) = 3
[pid  5293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5293] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5293] munmap(0x7f3872000000, 138412032) = 0
[pid  5293] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5293] close(3)                    = 0
[pid  5293] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5293] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5293] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5293] creat("./bus", 000)         = 5
[pid  5293] pwrite64(5, "+", 1, 0)      = 1
[pid  5293] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5293] exit_group(0)               = ?
[pid  5293] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5293, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5294 attached
, child_tidptr=0x555558664650) = 5294
[pid  5294] set_robust_list(0x555558664660, 24) = 0
[pid  5294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5294] setpgid(0, 0)               = 0
[pid  5294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5294] write(3, "1000", 4)         = 4
[pid  5294] close(3)                    = 0
executing program
[pid  5294] write(1, "executing program\n", 18) = 18
[pid  5294] memfd_create("syzkaller", 0) = 3
[pid  5294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5294] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5294] munmap(0x7f3872000000, 138412032) = 0
[pid  5294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5294] close(3)                    = 0
[pid  5294] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5294] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5294] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5294] creat("./bus", 000)         = 5
[pid  5294] pwrite64(5, "+", 1, 0)      = 1
[pid  5294] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5294] exit_group(0)               = ?
[pid  5294] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5294, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5295 attached
, child_tidptr=0x555558664650) = 5295
[pid  5295] set_robust_list(0x555558664660, 24) = 0
[pid  5295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5295] setpgid(0, 0)               = 0
[pid  5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5295] write(3, "1000", 4)         = 4
[pid  5295] close(3)                    = 0
[pid  5295] write(1, "executing program\n", 18executing program
) = 18
[pid  5295] memfd_create("syzkaller", 0) = 3
[pid  5295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5295] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5295] munmap(0x7f3872000000, 138412032) = 0
[pid  5295] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5295] close(3)                    = 0
[pid  5295] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5295] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5295] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5295] creat("./bus", 000)         = 5
[pid  5295] pwrite64(5, "+", 1, 0)      = 1
[pid  5295] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5295] exit_group(0)               = ?
[pid  5295] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5295, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5296 attached
, child_tidptr=0x555558664650) = 5296
[pid  5296] set_robust_list(0x555558664660, 24) = 0
[pid  5296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5296] setpgid(0, 0)               = 0
[pid  5296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5296] write(3, "1000", 4)         = 4
[pid  5296] close(3executing program
)                    = 0
[pid  5296] write(1, "executing program\n", 18) = 18
[pid  5296] memfd_create("syzkaller", 0) = 3
[pid  5296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5296] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5296] munmap(0x7f3872000000, 138412032) = 0
[pid  5296] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5296] close(3)                    = 0
[pid  5296] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5296] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5296] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5296] creat("./bus", 000)         = 5
[pid  5296] pwrite64(5, "+", 1, 0)      = 1
[pid  5296] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5296] exit_group(0)               = ?
[pid  5296] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5296, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5297
./strace-static-x86_64: Process 5297 attached
[pid  5297] set_robust_list(0x555558664660, 24) = 0
[pid  5297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5297] setpgid(0, 0)               = 0
[pid  5297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5297] write(3, "1000", 4)         = 4
[pid  5297] close(3)                    = 0
[pid  5297] write(1, "executing program\n", 18executing program
) = 18
[pid  5297] memfd_create("syzkaller", 0) = 3
[pid  5297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5297] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5297] munmap(0x7f3872000000, 138412032) = 0
[pid  5297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5297] close(3)                    = 0
[pid  5297] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5297] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5297] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5297] creat("./bus", 000)         = 5
[pid  5297] pwrite64(5, "+", 1, 0)      = 1
[pid  5297] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5297] exit_group(0)               = ?
[pid  5297] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5297, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5298
./strace-static-x86_64: Process 5298 attached
[pid  5298] set_robust_list(0x555558664660, 24) = 0
[pid  5298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5298] setpgid(0, 0)               = 0
[pid  5298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5298] write(3, "1000", 4)         = 4
[pid  5298] close(3)                    = 0
[pid  5298] write(1, "executing program\n", 18executing program
) = 18
[pid  5298] memfd_create("syzkaller", 0) = 3
[pid  5298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5298] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5298] munmap(0x7f3872000000, 138412032) = 0
[pid  5298] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5298] close(3)                    = 0
[pid  5298] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5298] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5298] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5298] creat("./bus", 000)         = 5
[pid  5298] pwrite64(5, "+", 1, 0)      = 1
[pid  5298] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5298] exit_group(0)               = ?
[pid  5298] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5298, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5299
./strace-static-x86_64: Process 5299 attached
[pid  5299] set_robust_list(0x555558664660, 24) = 0
[pid  5299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5299] setpgid(0, 0)               = 0
[pid  5299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5299] write(3, "1000", 4)         = 4
[pid  5299] close(3)                    = 0
executing program
[pid  5299] write(1, "executing program\n", 18) = 18
[pid  5299] memfd_create("syzkaller", 0) = 3
[pid  5299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5299] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5299] munmap(0x7f3872000000, 138412032) = 0
[pid  5299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5299] close(3)                    = 0
[pid  5299] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5299] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5299] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5299] creat("./bus", 000)         = 5
[pid  5299] pwrite64(5, "+", 1, 0)      = 1
[pid  5299] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5299] exit_group(0)               = ?
[pid  5299] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5299, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5300
./strace-static-x86_64: Process 5300 attached
[pid  5300] set_robust_list(0x555558664660, 24) = 0
[pid  5300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5300] setpgid(0, 0)               = 0
[pid  5300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5300] write(3, "1000", 4)         = 4
[pid  5300] close(3)                    = 0
[pid  5300] write(1, "executing program\n", 18executing program
) = 18
[pid  5300] memfd_create("syzkaller", 0) = 3
[pid  5300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5300] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5300] munmap(0x7f3872000000, 138412032) = 0
[pid  5300] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5300] close(3)                    = 0
[pid  5300] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5300] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5300] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5300] creat("./bus", 000)         = 5
[pid  5300] pwrite64(5, "+", 1, 0)      = 1
[pid  5300] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5300] exit_group(0)               = ?
[pid  5300] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5300, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5301 attached
, child_tidptr=0x555558664650) = 5301
[pid  5301] set_robust_list(0x555558664660, 24) = 0
[pid  5301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5301] setpgid(0, 0)               = 0
[pid  5301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5301] write(3, "1000", 4)         = 4
[pid  5301] close(3)                    = 0
executing program
[pid  5301] write(1, "executing program\n", 18) = 18
[pid  5301] memfd_create("syzkaller", 0) = 3
[pid  5301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5301] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5301] munmap(0x7f3872000000, 138412032) = 0
[pid  5301] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5301] close(3)                    = 0
[pid  5301] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5301] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5301] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5301] creat("./bus", 000)         = 5
[pid  5301] pwrite64(5, "+", 1, 0)      = 1
[pid  5301] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5301] exit_group(0)               = ?
[pid  5301] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5301, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5302 attached
, child_tidptr=0x555558664650) = 5302
[pid  5302] set_robust_list(0x555558664660, 24) = 0
[pid  5302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5302] setpgid(0, 0)               = 0
[pid  5302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5302] write(3, "1000", 4)         = 4
[pid  5302] close(3)                    = 0
[pid  5302] write(1, "executing program\n", 18executing program
) = 18
[pid  5302] memfd_create("syzkaller", 0) = 3
[pid  5302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5302] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5302] munmap(0x7f3872000000, 138412032) = 0
[pid  5302] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5302] close(3)                    = 0
[pid  5302] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5302] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5302] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5302] creat("./bus", 000)         = 5
[pid  5302] pwrite64(5, "+", 1, 0)      = 1
[pid  5302] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5302] exit_group(0)               = ?
[pid  5302] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5302, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5303 attached
, child_tidptr=0x555558664650) = 5303
[pid  5303] set_robust_list(0x555558664660, 24) = 0
[pid  5303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5303] setpgid(0, 0)               = 0
[pid  5303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5303] write(3, "1000", 4)         = 4
[pid  5303] close(3)                    = 0
executing program
[pid  5303] write(1, "executing program\n", 18) = 18
[pid  5303] memfd_create("syzkaller", 0) = 3
[pid  5303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5303] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5303] munmap(0x7f3872000000, 138412032) = 0
[pid  5303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5303] close(3)                    = 0
[pid  5303] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5303] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5303] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5303] creat("./bus", 000)         = 5
[pid  5303] pwrite64(5, "+", 1, 0)      = 1
[pid  5303] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5303] exit_group(0)               = ?
[pid  5303] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5303, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5304 attached
, child_tidptr=0x555558664650) = 5304
[pid  5304] set_robust_list(0x555558664660, 24) = 0
[pid  5304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5304] setpgid(0, 0)               = 0
[pid  5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5304] write(3, "1000", 4executing program
)         = 4
[pid  5304] close(3)                    = 0
[pid  5304] write(1, "executing program\n", 18) = 18
[pid  5304] memfd_create("syzkaller", 0) = 3
[pid  5304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5304] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5304] munmap(0x7f3872000000, 138412032) = 0
[pid  5304] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5304] close(3)                    = 0
[pid  5304] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5304] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5304] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5304] creat("./bus", 000)         = 5
[pid  5304] pwrite64(5, "+", 1, 0)      = 1
[pid  5304] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5304] exit_group(0)               = ?
[pid  5304] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5304, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5305 attached
, child_tidptr=0x555558664650) = 5305
[pid  5305] set_robust_list(0x555558664660, 24) = 0
[pid  5305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5305] setpgid(0, 0)               = 0
[pid  5305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5305] write(3, "1000", 4)         = 4
[pid  5305] close(3)                    = 0
[pid  5305] write(1, "executing program\n", 18executing program
) = 18
[pid  5305] memfd_create("syzkaller", 0) = 3
[pid  5305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5305] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5305] munmap(0x7f3872000000, 138412032) = 0
[pid  5305] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5305] close(3)                    = 0
[pid  5305] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5305] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5305] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5305] creat("./bus", 000)         = 5
[pid  5305] pwrite64(5, "+", 1, 0)      = 1
[pid  5305] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5305] exit_group(0)               = ?
[pid  5305] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5305, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5306 attached
, child_tidptr=0x555558664650) = 5306
[pid  5306] set_robust_list(0x555558664660, 24) = 0
[pid  5306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5306] setpgid(0, 0)               = 0
[pid  5306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5306] write(3, "1000", 4)         = 4
[pid  5306] close(3)                    = 0
[pid  5306] write(1, "executing program\n", 18executing program
) = 18
[pid  5306] memfd_create("syzkaller", 0) = 3
[pid  5306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5306] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5306] munmap(0x7f3872000000, 138412032) = 0
[pid  5306] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5306] close(3)                    = 0
[pid  5306] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5306] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5306] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5306] creat("./bus", 000)         = 5
[pid  5306] pwrite64(5, "+", 1, 0)      = 1
[pid  5306] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5306] exit_group(0)               = ?
[pid  5306] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5306, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5307 attached
, child_tidptr=0x555558664650) = 5307
[pid  5307] set_robust_list(0x555558664660, 24) = 0
[pid  5307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5307] setpgid(0, 0)               = 0
[pid  5307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5307] write(3, "1000", 4)         = 4
[pid  5307] close(3)                    = 0
executing program
[pid  5307] write(1, "executing program\n", 18) = 18
[pid  5307] memfd_create("syzkaller", 0) = 3
[pid  5307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5307] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5307] munmap(0x7f3872000000, 138412032) = 0
[pid  5307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5307] close(3)                    = 0
[pid  5307] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5307] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5307] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5307] creat("./bus", 000)         = 5
[pid  5307] pwrite64(5, "+", 1, 0)      = 1
[pid  5307] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5307] exit_group(0)               = ?
[pid  5307] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5307, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5308 attached
, child_tidptr=0x555558664650) = 5308
[pid  5308] set_robust_list(0x555558664660, 24) = 0
[pid  5308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5308] setpgid(0, 0)               = 0
[pid  5308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5308] write(3, "1000", 4)         = 4
[pid  5308] close(3)                    = 0
executing program
[pid  5308] write(1, "executing program\n", 18) = 18
[pid  5308] memfd_create("syzkaller", 0) = 3
[pid  5308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5308] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5308] munmap(0x7f3872000000, 138412032) = 0
[pid  5308] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5308] close(3)                    = 0
[pid  5308] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5308] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5308] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5308] creat("./bus", 000)         = 5
[pid  5308] pwrite64(5, "+", 1, 0)      = 1
[pid  5308] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5308] exit_group(0)               = ?
[pid  5308] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5308, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5309
./strace-static-x86_64: Process 5309 attached
[pid  5309] set_robust_list(0x555558664660, 24) = 0
[pid  5309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5309] setpgid(0, 0)               = 0
[pid  5309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5309] write(3, "1000", 4)         = 4
[pid  5309] close(3)                    = 0
executing program
[pid  5309] write(1, "executing program\n", 18) = 18
[pid  5309] memfd_create("syzkaller", 0) = 3
[pid  5309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5309] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5309] munmap(0x7f3872000000, 138412032) = 0
[pid  5309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5309] close(3)                    = 0
[pid  5309] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5309] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5309] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5309] creat("./bus", 000)         = 5
[pid  5309] pwrite64(5, "+", 1, 0)      = 1
[pid  5309] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5309] exit_group(0)               = ?
[pid  5309] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5309, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5310 attached
, child_tidptr=0x555558664650) = 5310
[pid  5310] set_robust_list(0x555558664660, 24) = 0
[pid  5310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5310] setpgid(0, 0)               = 0
[pid  5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5310] write(3, "1000", 4)         = 4
[pid  5310] close(3)                    = 0
executing program
[pid  5310] write(1, "executing program\n", 18) = 18
[pid  5310] memfd_create("syzkaller", 0) = 3
[pid  5310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5310] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5310] munmap(0x7f3872000000, 138412032) = 0
[pid  5310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5310] close(3)                    = 0
[pid  5310] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5310] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5310] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5310] creat("./bus", 000)         = 5
[pid  5310] pwrite64(5, "+", 1, 0)      = 1
[pid  5310] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5310] exit_group(0)               = ?
[pid  5310] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5310, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555558664650) = 5311
./strace-static-x86_64: Process 5311 attached
[pid  5311] set_robust_list(0x555558664660, 24) = 0
[pid  5311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5311] setpgid(0, 0)               = 0
[pid  5311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5311] write(3, "1000", 4)         = 4
[pid  5311] close(3)                    = 0
executing program
[pid  5311] write(1, "executing program\n", 18) = 18
[pid  5311] memfd_create("syzkaller", 0) = 3
[pid  5311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3872000000
[pid  5311] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\x65\x7e\xbb\x32\xdb\xa4\xaf\x02\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5311] munmap(0x7f3872000000, 138412032) = 0
[pid  5311] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5311] close(3)                    = 0
[pid  5311] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5311] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040320, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5311] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5311] creat("./bus", 000)         = 5
[pid  5311] pwrite64(5, "+", 1, 0)      = 1
[pid  5311] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0x7ffff0, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1<<MAP_HUGE_SHIFT, 4, 0) = 0x20000000
[pid  5311] exit_group(0)               = ?
[pid  5311] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5311, 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)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5312 attached
, child_tidptr=0x555558664650) = 5312
[pid  5312] set_robust_list(0x555558664660, 24) = 0