./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3992568470
<...>
Warning: Permanently added '10.128.1.50' (ED25519) to the list of known hosts.
execve("./syz-executor3992568470", ["./syz-executor3992568470"], 0x7fff57b726b0 /* 10 vars */) = 0
brk(NULL)                               = 0x55558621d000
brk(0x55558621de00)                     = 0x55558621de00
arch_prctl(ARCH_SET_FS, 0x55558621d480) = 0
set_tid_address(0x55558621d750)         = 5226
set_robust_list(0x55558621d760, 24)     = 0
rseq(0x55558621dda0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3992568470", 4096) = 28
getrandom("\x65\x13\x66\xfe\x31\x46\x23\xda", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55558621de00
brk(0x55558623ee00)                     = 0x55558623ee00
brk(0x55558623f000)                     = 0x55558623f000
mprotect(0x7f7cf9a63000, 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
rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x7f7cf9991a50, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f7cf999a990}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7f7cf9991a50, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f7cf999a990}, NULL, 8) = 0
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 5227 attached
, child_tidptr=0x55558621d750) = 5227
[pid  5227] set_robust_list(0x55558621d760, 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
executing program
[pid  5227] write(1, "executing program\n", 18) = 18
[pid  5227] memfd_create("syzkaller", 0) = 3
[pid  5227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5227] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 138412032) = 0
[pid  5227] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5227] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5227] close(3)                    = 0
[pid  5227] close(4)                    = 0
[pid  5227] mkdir("./file0", 0777)      = 0
[   76.781653][ T5227] loop0: detected capacity change from 0 to 4096
[   76.808884][ T5227] =======================================================
[   76.808884][ T5227] WARNING: The mand mount option has been deprecated and
[   76.808884][ T5227]          and is ignored by this kernel. Remove the mand
[pid  5227] mount("/dev/loop0", "./file0", "ntfs3", MS_MANDLOCK|MS_REC|MS_SILENT|MS_LAZYTIME, "dmask=00000000000000000000011,sparse,sparse,gid=00000000000000000000,fmask=00000000000000000000000,n"...) = 0
[pid  5227] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5227] chdir("./file0")            = 0
[pid  5227] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[   76.808884][ T5227]          option from the mount to silence this warning.
[   76.808884][ T5227] =======================================================
[pid  5227] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid  5227] ioctl(4, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=1, ...}) = 1
[pid  5227] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5227] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 5, 0) = 0x20000000
[pid  5227] ftruncate(5, 49524)         = 0
[pid  5227] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6
[pid  5227] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5227] memfd_create("syzkaller", 0) = 7
[pid  5227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5227] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[   76.897479][   T29] audit: type=1800 audit(1726022252.253:2): pid=5227 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="loop0" ino=33 res=0 errno=0
[   76.943944][ T5227] 
[   76.946298][ T5227] ======================================================
[   76.953323][ T5227] WARNING: possible circular locking dependency detected
[   76.960402][ T5227] 6.11.0-rc7-syzkaller-00020-g8d8d276ba2fb #0 Not tainted
[   76.967512][ T5227] ------------------------------------------------------
[   76.974539][ T5227] syz-executor399/5227 is trying to acquire lock:
[   76.980959][ T5227] ffff8880758351c8 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_fallocate+0x5ca/0x1280
[   76.990128][ T5227] 
[   76.990128][ T5227] but task is already holding lock:
[   76.997486][ T5227] ffff888075835600 (mapping.invalidate_lock#3){++++}-{3:3}, at: ntfs_fallocate+0x3c7/0x1280
[   77.007581][ T5227] 
[   77.007581][ T5227] which lock already depends on the new lock.
[   77.007581][ T5227] 
[   77.018001][ T5227] 
[   77.018001][ T5227] the existing dependency chain (in reverse order) is:
[   77.027005][ T5227] 
[   77.027005][ T5227] -> #3 (mapping.invalidate_lock#3){++++}-{3:3}:
[   77.035518][ T5227]        lock_acquire+0x1ed/0x550
[   77.040554][ T5227]        down_read+0xb1/0xa40
[   77.045234][ T5227]        filemap_fault+0x658/0x1760
[   77.050445][ T5227]        __do_fault+0x135/0x460
[   77.055294][ T5227]        handle_pte_fault+0x1176/0x6fc0
[   77.060857][ T5227]        handle_mm_fault+0x1056/0x1ad0
[   77.066312][ T5227]        exc_page_fault+0x459/0x8c0
[   77.071518][ T5227]        asm_exc_page_fault+0x26/0x30
[   77.076899][ T5227] 
[   77.076899][ T5227] -> #2 (&vma->vm_lock->lock){++++}-{3:3}:
[   77.084890][ T5227]        lock_acquire+0x1ed/0x550
[   77.089924][ T5227]        down_write+0x99/0x220
[   77.094707][ T5227]        vma_link+0x270/0x4f0
[   77.099394][ T5227]        insert_vm_struct+0x2f7/0x410
[   77.104764][ T5227]        alloc_bprm+0x81f/0xda0
[   77.109638][ T5227]        kernel_execve+0x99/0xa50
[   77.114749][ T5227]        kernel_init+0xed/0x2b0
[   77.119624][ T5227]        ret_from_fork+0x4b/0x80
[   77.124560][ T5227]        ret_from_fork_asm+0x1a/0x30
[   77.129870][ T5227] 
[   77.129870][ T5227] -> #1 (&mm->mmap_lock){++++}-{3:3}:
[   77.137426][ T5227]        lock_acquire+0x1ed/0x550
[   77.142468][ T5227]        __might_fault+0xc6/0x120
[   77.147508][ T5227]        _copy_to_user+0x2a/0xb0
[   77.152445][ T5227]        fiemap_fill_next_extent+0x235/0x410
[   77.158450][ T5227]        ni_fiemap+0x4f5/0x1910
[   77.163317][ T5227]        ntfs_fiemap+0x132/0x180
[   77.168273][ T5227]        do_vfs_ioctl+0x1c07/0x2e50
[   77.173470][ T5227]        __se_sys_ioctl+0x81/0x170
[   77.178591][ T5227]        do_syscall_64+0xf3/0x230
[   77.183822][ T5227]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   77.190239][ T5227] 
[   77.190239][ T5227] -> #0 (&ni->ni_lock/4){+.+.}-{3:3}:
[   77.197810][ T5227]        validate_chain+0x18e0/0x5900
[   77.203206][ T5227]        __lock_acquire+0x137a/0x2040
[   77.208691][ T5227]        lock_acquire+0x1ed/0x550
[   77.213715][ T5227]        __mutex_lock+0x136/0xd70
[   77.218737][ T5227]        ntfs_fallocate+0x5ca/0x1280
[   77.224031][ T5227]        vfs_fallocate+0x553/0x6c0
[   77.229147][ T5227]        do_vfs_ioctl+0x2592/0x2e50
[   77.234350][ T5227]        __se_sys_ioctl+0x81/0x170
[   77.239467][ T5227]        do_syscall_64+0xf3/0x230
[   77.244490][ T5227]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   77.250939][ T5227] 
[   77.250939][ T5227] other info that might help us debug this:
[   77.250939][ T5227] 
[   77.261159][ T5227] Chain exists of:
[   77.261159][ T5227]   &ni->ni_lock/4 --> &vma->vm_lock->lock --> mapping.invalidate_lock#3
[   77.261159][ T5227] 
[   77.275337][ T5227]  Possible unsafe locking scenario:
[   77.275337][ T5227] 
[   77.283128][ T5227]        CPU0                    CPU1
[   77.288503][ T5227]        ----                    ----
[   77.293861][ T5227]   lock(mapping.invalidate_lock#3);
[   77.299169][ T5227]                                lock(&vma->vm_lock->lock);
[   77.306452][ T5227]                                lock(mapping.invalidate_lock#3);
[   77.314303][ T5227]   lock(&ni->ni_lock/4);
[   77.318655][ T5227] 
[   77.318655][ T5227]  *** DEADLOCK ***
[   77.318655][ T5227] 
[   77.326881][ T5227] 3 locks held by syz-executor399/5227:
[   77.332426][ T5227]  #0: ffff888031898420 (sb_writers#9){.+.+}-{0:0}, at: vfs_fallocate+0x4ea/0x6c0
[   77.341714][ T5227]  #1: ffff888075835460 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: ntfs_fallocate+0x2e0/0x1280
[   77.352426][ T5227]  #2: ffff888075835600 (mapping.invalidate_lock#3){++++}-{3:3}, at: ntfs_fallocate+0x3c7/0x1280
[   77.362960][ T5227] 
[   77.362960][ T5227] stack backtrace:
[   77.368857][ T5227] CPU: 0 UID: 0 PID: 5227 Comm: syz-executor399 Not tainted 6.11.0-rc7-syzkaller-00020-g8d8d276ba2fb #0
[   77.379982][ T5227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[   77.390043][ T5227] Call Trace:
[   77.393318][ T5227]  
[   77.396246][ T5227]  dump_stack_lvl+0x241/0x360
[   77.400933][ T5227]  ? __pfx_dump_stack_lvl+0x10/0x10
[   77.406134][ T5227]  ? print_circular_bug+0x130/0x1a0
[   77.411417][ T5227]  check_noncircular+0x36a/0x4a0
[   77.416350][ T5227]  ? add_lock_to_list+0x1de/0x2e0
[   77.421383][ T5227]  ? __pfx_check_noncircular+0x10/0x10
[   77.426848][ T5227]  ? lockdep_lock+0x123/0x2b0
[   77.431534][ T5227]  validate_chain+0x18e0/0x5900
[   77.436392][ T5227]  ? validate_chain+0x15b1/0x5900
[   77.441444][ T5227]  ? __pfx_validate_chain+0x10/0x10
[   77.446662][ T5227]  ? mark_lock+0x9a/0x350
[   77.451090][ T5227]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[   77.457100][ T5227]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[   77.463428][ T5227]  ? look_up_lock_class+0x77/0x160
[   77.468558][ T5227]  ? register_lock_class+0x102/0x980
[   77.473856][ T5227]  ? __pfx_register_lock_class+0x10/0x10
[   77.479584][ T5227]  ? mark_lock+0x9a/0x350
[   77.483933][ T5227]  __lock_acquire+0x137a/0x2040
[   77.488829][ T5227]  lock_acquire+0x1ed/0x550
[   77.493357][ T5227]  ? ntfs_fallocate+0x5ca/0x1280
[   77.498300][ T5227]  ? __pfx_lock_acquire+0x10/0x10
[   77.503328][ T5227]  ? __pfx___might_resched+0x10/0x10
[   77.508617][ T5227]  ? unmap_mapping_range+0xf8/0x290
[   77.513814][ T5227]  ? unmap_mapping_range+0xf8/0x290
[   77.519103][ T5227]  __mutex_lock+0x136/0xd70
[   77.523647][ T5227]  ? ntfs_fallocate+0x5ca/0x1280
[   77.528598][ T5227]  ? ntfs_fallocate+0x5ca/0x1280
[   77.533541][ T5227]  ? __pfx___mutex_lock+0x10/0x10
[   77.538565][ T5227]  ? unmap_mapping_range+0xf8/0x290
[   77.543767][ T5227]  ? __pfx_unmap_mapping_range+0x10/0x10
[   77.549404][ T5227]  ntfs_fallocate+0x5ca/0x1280
[   77.554175][ T5227]  ? __pfx_ntfs_fallocate+0x10/0x10
[   77.559379][ T5227]  vfs_fallocate+0x553/0x6c0
[   77.564065][ T5227]  do_vfs_ioctl+0x2592/0x2e50
[   77.568747][ T5227]  ? __pfx_do_vfs_ioctl+0x10/0x10
[   77.573954][ T5227]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[   77.580289][ T5227]  ? tomoyo_path_number_perm+0x208/0x880
[   77.585955][ T5227]  ? __pfx_lock_release+0x10/0x10
[   77.591075][ T5227]  ? kfree+0x149/0x360
[   77.595143][ T5227]  ? tomoyo_path_number_perm+0x71a/0x880
[   77.600780][ T5227]  ? tomoyo_path_number_perm+0x208/0x880
[   77.606414][ T5227]  ? smack_log+0x123/0x540
[   77.610836][ T5227]  ? __pfx_tomoyo_path_number_perm+0x10/0x10
[   77.616818][ T5227]  ? __pfx_smack_log+0x10/0x10
[   77.621609][ T5227]  ? smk_access+0x4ab/0x4e0
[   77.626121][ T5227]  ? smk_tskacc+0x300/0x370
[   77.630655][ T5227]  ? smack_file_ioctl+0x2a1/0x3a0
[   77.635696][ T5227]  ? __pfx_smack_file_ioctl+0x10/0x10
[   77.641096][ T5227]  ? __pfx_ptrace_notify+0x10/0x10
[   77.646234][ T5227]  ? bpf_lsm_file_ioctl+0x9/0x10
[   77.651177][ T5227]  ? security_file_ioctl+0x87/0xb0
[   77.656289][ T5227]  __se_sys_ioctl+0x81/0x170
[   77.660884][ T5227]  do_syscall_64+0xf3/0x230
[   77.665388][ T5227]  ? clear_bhb_loop+0x35/0x90
[   77.670160][ T5227]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   77.676108][ T5227] RIP: 0033:0x7f7cf99c7c99
[   77.680546][ T5227] 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
[   77.700254][ T5227] RSP: 002b:00007ffc8fd1f9c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   77.708665][ T5227] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7cf99c7c99
[   77.716652][ T5227] RDX: 0000000020000000 RSI: 0000000040305829 RDI: 0000000000000006
[   77.724618][ T5227] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc8fd1fa00
[   77.732585][ T5227] R10: 00007ffc8fd1f9d0 R11: 0000000000000246 R12: 00007ffc8fd1fa00
[pid  5227] ioctl(6, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=1 /* 0.01 s */, si_stime=11 /* 0.11 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=0x55558621d750) = 5229
./strace-static-x86_64: Process 5229 attached
[pid  5229] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[   77.740553][ T5227] R13: 00007ffc8fd1fc88 R14: 431bde82d7b634db R15: 00007f7cf9a1003b
[   77.748533][ T5227]  
[pid  5229] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5229] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5229] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5229] ftruncate(4, 49524)         = 0
[pid  5229] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5229] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5229] memfd_create("syzkaller", 0) = 6
[pid  5229] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5229] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5229] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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
[   77.827261][   T29] audit: type=1800 audit(1726022253.183:3): pid=5229 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=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=0x55558621d750) = 5230
./strace-static-x86_64: Process 5230 attached
[pid  5230] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5230] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5230] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5230] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5230] ftruncate(4, 49524)         = 0
[pid  5230] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5230] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5230] memfd_create("syzkaller", 0) = 6
[pid  5230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5230] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5230] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[pid  5230] exit_group(0)               = ?
[   77.953221][   T29] audit: type=1800 audit(1726022253.303:4): pid=5230 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=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=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 5231 attached
, child_tidptr=0x55558621d750) = 5231
[pid  5231] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5231] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5231] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5231] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5231] ftruncate(4, 49524)         = 0
[pid  5231] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5231] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5231] memfd_create("syzkaller", 0) = 6
[pid  5231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5231] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5231] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=5 /* 0.05 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=0x55558621d750) = 5232
./strace-static-x86_64: Process 5232 attached
[pid  5232] set_robust_list(0x55558621d760, 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
[   78.109579][   T29] audit: type=1800 audit(1726022253.463:5): pid=5231 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=0
[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) = 0x7f7cf1400000
[pid  5232] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5232] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5232] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5232] ftruncate(4, 49524)         = 0
[pid  5232] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5232] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5232] memfd_create("syzkaller", 0) = 6
[pid  5232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5232] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5232] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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, child_tidptr=0x55558621d750) = 5233
./strace-static-x86_64: Process 5233 attached
[pid  5233] set_robust_list(0x55558621d760, 24) = 0
[pid  5233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[   78.246015][   T29] audit: type=1800 audit(1726022253.603:6): pid=5232 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=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", 4)         = 4
[pid  5233] close(3)                    = 0
[pid  5233] write(1, "executing program\n", 18executing program
) = 18
[pid  5233] memfd_create("syzkaller", 0) = 3
[pid  5233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5233] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5233] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5233] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5233] ftruncate(4, 49524)         = 0
[pid  5233] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5233] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5233] memfd_create("syzkaller", 0) = 6
[pid  5233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5233] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5233] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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=0x55558621d750) = 5234
[pid  5234] set_robust_list(0x55558621d760, 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(3executing program
)                    = 0
[pid  5234] write(1, "executing program\n", 18) = 18
[   78.374036][   T29] audit: type=1800 audit(1726022253.723:7): pid=5233 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5234] memfd_create("syzkaller", 0) = 3
[pid  5234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5234] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5234] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5234] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5234] ftruncate(4, 49524)         = 0
[pid  5234] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5234] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5234] memfd_create("syzkaller", 0) = 6
[pid  5234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5234] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5234] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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=0x55558621d750) = 5235
./strace-static-x86_64: Process 5235 attached
[pid  5235] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[   78.489302][   T29] audit: type=1800 audit(1726022253.843:8): pid=5234 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5235] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5235] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5235] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5235] ftruncate(4, 49524)         = 0
[pid  5235] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5235] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5235] memfd_create("syzkaller", 0) = 6
[pid  5235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5235] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5235] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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
 
[pid  5236] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5236
[pid  5236] <... set_robust_list resumed>) = 0
[pid  5236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[   78.574251][   T29] audit: type=1800 audit(1726022253.923:9): pid=5235 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=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
executing program
[pid  5236] close(3)                    = 0
[pid  5236] write(1, "executing program\n", 18) = 18
[pid  5236] memfd_create("syzkaller", 0) = 3
[pid  5236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5236] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5236] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5236] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5236] ftruncate(4, 49524)         = 0
[pid  5236] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5236] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5236] memfd_create("syzkaller", 0) = 6
[pid  5236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5236] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5236] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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 */} ---
[   78.712137][   T29] audit: type=1800 audit(1726022254.063:10): pid=5236 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=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=0x55558621d750) = 5237
./strace-static-x86_64: Process 5237 attached
[pid  5237] set_robust_list(0x55558621d760, 24) = 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(3)                    = 0
[pid  5237] write(1, "executing program\n", 18executing program
) = 18
[pid  5237] memfd_create("syzkaller", 0) = 3
[pid  5237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5237] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5237] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5237] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5237] ftruncate(4, 49524)         = 0
[pid  5237] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5237] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5237] memfd_create("syzkaller", 0) = 6
[pid  5237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5237] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5237] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
[   78.831933][   T29] audit: type=1800 audit(1726022254.183:11): pid=5237 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558621d750) = 5238
./strace-static-x86_64: Process 5238 attached
[pid  5238] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5238] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5238] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5238] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5238] ftruncate(4, 49524)         = 0
[pid  5238] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5238] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5238] memfd_create("syzkaller", 0) = 6
[pid  5238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5238] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5238] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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
 
[pid  5239] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5239
[pid  5239] <... set_robust_list resumed>) = 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) = 0x7f7cf1400000
[pid  5239] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5239] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5239] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5239] ftruncate(4, 49524)         = 0
[pid  5239] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5239] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5239] memfd_create("syzkaller", 0) = 6
[pid  5239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5239] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5239] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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=0x55558621d750) = 5240
./strace-static-x86_64: Process 5240 attached
[pid  5240] set_robust_list(0x55558621d760, 24) = 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
executing program
[pid  5240] write(1, "executing program\n", 18) = 18
[pid  5240] memfd_create("syzkaller", 0) = 3
[pid  5240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5240] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5240] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5240] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5240] ftruncate(4, 49524)         = 0
[pid  5240] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5240] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5240] memfd_create("syzkaller", 0) = 6
[pid  5240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5240] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5240] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=0x55558621d750) = 5241
./strace-static-x86_64: Process 5241 attached
[pid  5241] set_robust_list(0x55558621d760, 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
executing program
[pid  5241] write(1, "executing program\n", 18) = 18
[pid  5241] memfd_create("syzkaller", 0) = 3
[pid  5241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5241] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5241] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5241] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5241] ftruncate(4, 49524)         = 0
[pid  5241] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5241] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5241] memfd_create("syzkaller", 0) = 6
[pid  5241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5241] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5241] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=5 /* 0.05 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
 
[pid  5242] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 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) = 0x7f7cf1400000
[pid  5242] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5242] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5242] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5242] ftruncate(4, 49524)         = 0
[pid  5242] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5242] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5242] memfd_create("syzkaller", 0) = 6
[pid  5242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5242] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5242] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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=0x55558621d750) = 5243
./strace-static-x86_64: Process 5243 attached
[pid  5243] set_robust_list(0x55558621d760, 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
executing program
[pid  5243] write(1, "executing program\n", 18) = 18
[pid  5243] memfd_create("syzkaller", 0) = 3
[pid  5243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5243] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5243] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5243] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5243] ftruncate(4, 49524)         = 0
[pid  5243] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5243] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5243] memfd_create("syzkaller", 0) = 6
[pid  5243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5243] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5243] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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=0x55558621d750) = 5244
./strace-static-x86_64: Process 5244 attached
[pid  5244] set_robust_list(0x55558621d760, 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
executing program
[pid  5244] write(1, "executing program\n", 18) = 18
[pid  5244] memfd_create("syzkaller", 0) = 3
[pid  5244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5244] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5244] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5244] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5244] ftruncate(4, 49524)         = 0
[pid  5244] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5244] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5244] memfd_create("syzkaller", 0) = 6
[pid  5244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5244] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5244] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5245 attached
, child_tidptr=0x55558621d750) = 5245
[pid  5245] set_robust_list(0x55558621d760, 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(3)                    = 0
[pid  5245] write(1, "executing program\n", 18executing program
) = 18
[pid  5245] memfd_create("syzkaller", 0) = 3
[pid  5245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5245] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5245] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5245] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5245] ftruncate(4, 49524)         = 0
[pid  5245] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5245] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5245] memfd_create("syzkaller", 0) = 6
[pid  5245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5245] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5245] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5246 attached
, child_tidptr=0x55558621d750) = 5246
[pid  5246] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5246] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5246] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5246] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5246] ftruncate(4, 49524)         = 0
[pid  5246] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5246] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5246] memfd_create("syzkaller", 0) = 6
[pid  5246] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5246] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5246] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5247 attached
, child_tidptr=0x55558621d750) = 5247
[pid  5247] set_robust_list(0x55558621d760, 24) = 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) = 0x7f7cf1400000
[pid  5247] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5247] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5247] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5247] ftruncate(4, 49524)         = 0
[pid  5247] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5247] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5247] memfd_create("syzkaller", 0) = 6
[pid  5247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5247] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5247] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5248 attached
 
[pid  5248] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5248
[pid  5248] <... set_robust_list resumed>) = 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
executing program
[pid  5248] write(1, "executing program\n", 18) = 18
[pid  5248] memfd_create("syzkaller", 0) = 3
[pid  5248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5248] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5248] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5248] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5248] ftruncate(4, 49524)         = 0
[pid  5248] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5248] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5248] memfd_create("syzkaller", 0) = 6
[pid  5248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5248] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5248] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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=0x55558621d750) = 5249
./strace-static-x86_64: Process 5249 attached
[pid  5249] set_robust_list(0x55558621d760, 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
[pid  5249] write(1, "executing program\n", 18executing program
) = 18
[pid  5249] memfd_create("syzkaller", 0) = 3
[pid  5249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5249] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5249] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5249] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5249] ftruncate(4, 49524)         = 0
[pid  5249] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5249] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5249] memfd_create("syzkaller", 0) = 6
[pid  5249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5249] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5249] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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=0x55558621d750) = 5250
./strace-static-x86_64: Process 5250 attached
[pid  5250] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5250] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5250] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5250] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5250] ftruncate(4, 49524)         = 0
[pid  5250] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5250] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5250] memfd_create("syzkaller", 0) = 6
[pid  5250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5250] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5250] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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=0x55558621d750) = 5251
./strace-static-x86_64: Process 5251 attached
[pid  5251] set_robust_list(0x55558621d760, 24) = 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
[pid  5251] write(1, "executing program\n", 18executing program
) = 18
[pid  5251] memfd_create("syzkaller", 0) = 3
[pid  5251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5251] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5251] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5251] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5251] ftruncate(4, 49524)         = 0
[pid  5251] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5251] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5251] memfd_create("syzkaller", 0) = 6
[pid  5251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5251] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5251] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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=0x55558621d750) = 5252
[pid  5252] set_robust_list(0x55558621d760, 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
[pid  5252] write(1, "executing program\n", 18executing program
) = 18
[pid  5252] memfd_create("syzkaller", 0) = 3
[pid  5252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5252] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5252] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5252] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5252] ftruncate(4, 49524)         = 0
[pid  5252] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5252] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5252] memfd_create("syzkaller", 0) = 6
[pid  5252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5252] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5252] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5253 attached
 
[pid  5253] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5253
[pid  5253] <... set_robust_list resumed>) = 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
executing program
[pid  5253] write(1, "executing program\n", 18) = 18
[pid  5253] memfd_create("syzkaller", 0) = 3
[pid  5253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5253] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5253] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5253] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5253] ftruncate(4, 49524)         = 0
[pid  5253] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5253] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5253] memfd_create("syzkaller", 0) = 6
[pid  5253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5253] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5253] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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=0x55558621d750) = 5254
./strace-static-x86_64: Process 5254 attached
[pid  5254] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5254] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5254] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5254] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5254] ftruncate(4, 49524)         = 0
[pid  5254] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5254] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5254] memfd_create("syzkaller", 0) = 6
[pid  5254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5254] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5254] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=1 /* 0.01 s */, 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=0x55558621d750) = 5255
./strace-static-x86_64: Process 5255 attached
[pid  5255] set_robust_list(0x55558621d760, 24) = 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) = 0x7f7cf1400000
[pid  5255] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5255] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5255] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5255] ftruncate(4, 49524)         = 0
[pid  5255] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5255] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5255] memfd_create("syzkaller", 0) = 6
[pid  5255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5255] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5255] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5256 attached
, child_tidptr=0x55558621d750) = 5256
[pid  5256] set_robust_list(0x55558621d760, 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
executing program
[pid  5256] write(1, "executing program\n", 18) = 18
[pid  5256] memfd_create("syzkaller", 0) = 3
[pid  5256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5256] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5256] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5256] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5256] ftruncate(4, 49524)         = 0
[pid  5256] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5256] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5256] memfd_create("syzkaller", 0) = 6
[pid  5256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5256] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5256] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5257 attached
, child_tidptr=0x55558621d750) = 5257
[pid  5257] set_robust_list(0x55558621d760, 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
executing program
[pid  5257] close(3)                    = 0
[pid  5257] write(1, "executing program\n", 18) = 18
[pid  5257] memfd_create("syzkaller", 0) = 3
[pid  5257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5257] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5257] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5257] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5257] ftruncate(4, 49524)         = 0
[pid  5257] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5257] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5257] memfd_create("syzkaller", 0) = 6
[pid  5257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5257] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5257] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5258 attached
, child_tidptr=0x55558621d750) = 5258
[pid  5258] set_robust_list(0x55558621d760, 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(3)                    = 0
[pid  5258] write(1, "executing program\n", 18executing program
) = 18
[pid  5258] memfd_create("syzkaller", 0) = 3
[pid  5258] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5258] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5258] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5258] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5258] ftruncate(4, 49524)         = 0
[pid  5258] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5258] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5258] memfd_create("syzkaller", 0) = 6
[pid  5258] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5258] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5258] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5259 attached
 
[pid  5259] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5259
[pid  5259] <... set_robust_list resumed>) = 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
executing program
[pid  5259] write(1, "executing program\n", 18) = 18
[pid  5259] memfd_create("syzkaller", 0) = 3
[pid  5259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5259] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5259] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5259] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5259] ftruncate(4, 49524)         = 0
[pid  5259] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5259] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5259] memfd_create("syzkaller", 0) = 6
[pid  5259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5259] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5259] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5260 attached
, child_tidptr=0x55558621d750) = 5260
[pid  5260] set_robust_list(0x55558621d760, 24) = 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) = 0x7f7cf1400000
[pid  5260] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5260] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5260] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5260] ftruncate(4, 49524)         = 0
[pid  5260] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5260] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5260] memfd_create("syzkaller", 0) = 6
[pid  5260] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5260] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5260] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=5 /* 0.05 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=0x55558621d750) = 5261
[pid  5261] set_robust_list(0x55558621d760, 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(3executing program
)                    = 0
[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) = 0x7f7cf1400000
[pid  5261] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5261] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5261] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5261] ftruncate(4, 49524)         = 0
[pid  5261] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5261] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5261] memfd_create("syzkaller", 0) = 6
[pid  5261] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5261] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5261] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=6 /* 0.06 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558621d750) = 5262
./strace-static-x86_64: Process 5262 attached
[pid  5262] set_robust_list(0x55558621d760, 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(3executing program
)                    = 0
[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) = 0x7f7cf1400000
[pid  5262] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5262] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5262] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5262] ftruncate(4, 49524)         = 0
[pid  5262] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5262] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5262] memfd_create("syzkaller", 0) = 6
[pid  5262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5262] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5262] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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=0x55558621d750) = 5263
./strace-static-x86_64: Process 5263 attached
[pid  5263] set_robust_list(0x55558621d760, 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(3)                    = 0
[pid  5263] write(1, "executing program\n", 18executing program
) = 18
[pid  5263] memfd_create("syzkaller", 0) = 3
[pid  5263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5263] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5263] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5263] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5263] ftruncate(4, 49524)         = 0
[pid  5263] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5263] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5263] memfd_create("syzkaller", 0) = 6
[pid  5263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5263] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5263] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=1 /* 0.01 s */, 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 5264 attached
, child_tidptr=0x55558621d750) = 5264
[pid  5264] set_robust_list(0x55558621d760, 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(3executing program
)                    = 0
[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) = 0x7f7cf1400000
[pid  5264] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5264] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5264] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5264] ftruncate(4, 49524)         = 0
[pid  5264] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5264] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5264] memfd_create("syzkaller", 0) = 6
[pid  5264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5264] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5264] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=1 /* 0.01 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 5265 attached
 
[pid  5265] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5265
[pid  5265] <... set_robust_list resumed>) = 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) = 0x7f7cf1400000
[pid  5265] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5265] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5265] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5265] ftruncate(4, 49524)         = 0
[pid  5265] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5265] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5265] memfd_create("syzkaller", 0) = 6
[pid  5265] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5265] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5265] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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=0x55558621d750) = 5266
./strace-static-x86_64: Process 5266 attached
[pid  5266] set_robust_list(0x55558621d760, 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
[pid  5266] write(1, "executing program\n", 18executing program
) = 18
[pid  5266] memfd_create("syzkaller", 0) = 3
[pid  5266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5266] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5266] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5266] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5266] ftruncate(4, 49524)         = 0
[pid  5266] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5266] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5266] memfd_create("syzkaller", 0) = 6
[pid  5266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5266] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5266] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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 5267 attached
 
[pid  5267] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5267
[pid  5267] <... set_robust_list resumed>) = 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
[pid  5267] write(1, "executing program\n", 18executing program
) = 18
[pid  5267] memfd_create("syzkaller", 0) = 3
[pid  5267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5267] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5267] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5267] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5267] ftruncate(4, 49524)         = 0
[pid  5267] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5267] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5267] memfd_create("syzkaller", 0) = 6
[pid  5267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5267] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5267] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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 5268 attached
 
[pid  5268] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5268
[pid  5268] <... set_robust_list resumed>) = 0
[pid  5268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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) = 0x7f7cf1400000
[   81.915545][   T29] kauditd_printk_skb: 29 callbacks suppressed
[   81.915566][   T29] audit: type=1800 audit(1726022257.263:41): pid=5267 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5268] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5268] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5268] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5268] ftruncate(4, 49524)         = 0
[pid  5268] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5268] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5268] memfd_create("syzkaller", 0) = 6
[pid  5268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5268] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5268] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=3 /* 0.03 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=0x55558621d750) = 5269
./strace-static-x86_64: Process 5269 attached
[pid  5269] set_robust_list(0x55558621d760, 24) = 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
executing program
[pid  5269] write(1, "executing program\n", 18) = 18
[pid  5269] memfd_create("syzkaller", 0) = 3
[pid  5269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[   82.035341][   T29] audit: type=1800 audit(1726022257.383:42): pid=5268 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5269] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5269] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5269] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5269] ftruncate(4, 49524)         = 0
[pid  5269] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5269] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5269] memfd_create("syzkaller", 0) = 6
[pid  5269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5269] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5269] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[   82.168827][   T29] audit: type=1800 audit(1726022257.523:43): pid=5269 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=0
[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=4 /* 0.04 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=0x55558621d750) = 5270
[pid  5270] set_robust_list(0x55558621d760, 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
executing program
[pid  5270] write(1, "executing program\n", 18) = 18
[pid  5270] memfd_create("syzkaller", 0) = 3
[pid  5270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5270] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5270] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5270] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5270] ftruncate(4, 49524)         = 0
[pid  5270] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5270] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5270] memfd_create("syzkaller", 0) = 6
[pid  5270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5270] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5270] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=2 /* 0.02 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
[   82.316629][   T29] audit: type=1800 audit(1726022257.673:44): pid=5270 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558621d750) = 5271
./strace-static-x86_64: Process 5271 attached
[pid  5271] set_robust_list(0x55558621d760, 24) = 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
[pid  5271] write(1, "executing program\n", 18executing program
) = 18
[pid  5271] memfd_create("syzkaller", 0) = 3
[pid  5271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5271] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5271] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5271] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5271] ftruncate(4, 49524)         = 0
[pid  5271] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5271] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5271] memfd_create("syzkaller", 0) = 6
[pid  5271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5271] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5271] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=3 /* 0.03 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
[   82.437856][   T29] audit: type=1800 audit(1726022257.793:45): pid=5271 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558621d750) = 5272
./strace-static-x86_64: Process 5272 attached
[pid  5272] set_robust_list(0x55558621d760, 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
[pid  5272] close(3)                    = 0
[pid  5272] write(1, "executing program\n", 18executing program
) = 18
[pid  5272] memfd_create("syzkaller", 0) = 3
[pid  5272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5272] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5272] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5272] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5272] ftruncate(4, 49524)         = 0
[pid  5272] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5272] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5272] memfd_create("syzkaller", 0) = 6
[pid  5272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5272] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5272] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5273 attached
, child_tidptr=0x55558621d750) = 5273
[pid  5273] set_robust_list(0x55558621d760, 24) = 0
[   82.575289][   T29] audit: type=1800 audit(1726022257.923:46): pid=5272 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=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(3executing program
)                    = 0
[pid  5273] write(1, "executing program\n", 18) = 18
[pid  5273] memfd_create("syzkaller", 0) = 3
[pid  5273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5273] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5273] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5273] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5273] ftruncate(4, 49524)         = 0
[pid  5273] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5273] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5273] memfd_create("syzkaller", 0) = 6
[pid  5273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5273] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5273] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=1 /* 0.01 s */, si_stime=1 /* 0.01 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
[   82.680575][   T29] audit: type=1800 audit(1726022258.033:47): pid=5273 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=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 5274 attached
, child_tidptr=0x55558621d750) = 5274
[pid  5274] set_robust_list(0x55558621d760, 24) = 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) = 0x7f7cf1400000
[pid  5274] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5274] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5274] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5274] ftruncate(4, 49524)         = 0
[pid  5274] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5274] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5274] memfd_create("syzkaller", 0) = 6
[pid  5274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5274] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5274] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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=0x55558621d750) = 5275
./strace-static-x86_64: Process 5275 attached
[pid  5275] set_robust_list(0x55558621d760, 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
executing program
[pid  5275] close(3)                    = 0
[pid  5275] write(1, "executing program\n", 18) = 18
[   82.797911][   T29] audit: type=1800 audit(1726022258.153:48): pid=5274 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=0
[pid  5275] memfd_create("syzkaller", 0) = 3
[pid  5275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5275] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5275] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5275] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5275] ftruncate(4, 49524)         = 0
[pid  5275] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5275] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5275] memfd_create("syzkaller", 0) = 6
[pid  5275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5275] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5275] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5276 attached
 
[pid  5276] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5276
[pid  5276] <... set_robust_list resumed>) = 0
[pid  5276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[   82.896374][   T29] audit: type=1800 audit(1726022258.253:49): pid=5275 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=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
executing program
[pid  5276] close(3)                    = 0
[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) = 0x7f7cf1400000
[pid  5276] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5276] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5276] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5276] ftruncate(4, 49524)         = 0
[pid  5276] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5276] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5276] memfd_create("syzkaller", 0) = 6
[pid  5276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5276] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5276] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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
[   83.011848][   T29] audit: type=1800 audit(1726022258.363:50): pid=5276 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor399" name="bus" dev="sda1" ino=1928 res=0 errno=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=0x55558621d750) = 5277
./strace-static-x86_64: Process 5277 attached
[pid  5277] set_robust_list(0x55558621d760, 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
executing program
[pid  5277] close(3)                    = 0
[pid  5277] write(1, "executing program\n", 18) = 18
[pid  5277] memfd_create("syzkaller", 0) = 3
[pid  5277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5277] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5277] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5277] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5277] ftruncate(4, 49524)         = 0
[pid  5277] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5277] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5277] memfd_create("syzkaller", 0) = 6
[pid  5277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5277] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5277] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5278 attached
, child_tidptr=0x55558621d750) = 5278
[pid  5278] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5278] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5278] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5278] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5278] ftruncate(4, 49524)         = 0
[pid  5278] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5278] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5278] memfd_create("syzkaller", 0) = 6
[pid  5278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5278] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5278] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=5 /* 0.05 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 5279 attached
 
[pid  5279] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5279
[pid  5279] <... set_robust_list resumed>) = 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) = 0x7f7cf1400000
[pid  5279] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5279] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5279] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5279] ftruncate(4, 49524)         = 0
[pid  5279] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5279] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5279] memfd_create("syzkaller", 0) = 6
[pid  5279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5279] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5279] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5280 attached
, child_tidptr=0x55558621d750) = 5280
[pid  5280] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5280] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5280] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5280] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5280] ftruncate(4, 49524)         = 0
[pid  5280] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5280] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5280] memfd_create("syzkaller", 0) = 6
[pid  5280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5280] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5280] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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=0x55558621d750) = 5281
./strace-static-x86_64: Process 5281 attached
[pid  5281] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5281] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5281] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5281] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5281] ftruncate(4, 49524)         = 0
[pid  5281] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5281] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5281] memfd_create("syzkaller", 0) = 6
[pid  5281] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5281] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5281] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5282 attached
, child_tidptr=0x55558621d750) = 5282
[pid  5282] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5282] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5282] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5282] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5282] ftruncate(4, 49524)         = 0
[pid  5282] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5282] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5282] memfd_create("syzkaller", 0) = 6
[pid  5282] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5282] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5282] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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./strace-static-x86_64: Process 5283 attached
, child_tidptr=0x55558621d750) = 5283
[pid  5283] set_robust_list(0x55558621d760, 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
[pid  5283] write(1, "executing program\n", 18executing program
) = 18
[pid  5283] memfd_create("syzkaller", 0) = 3
[pid  5283] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5283] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5283] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5283] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5283] ftruncate(4, 49524)         = 0
[pid  5283] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5283] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5283] memfd_create("syzkaller", 0) = 6
[pid  5283] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5283] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5283] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=5 /* 0.05 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=0x55558621d750) = 5284
./strace-static-x86_64: Process 5284 attached
[pid  5284] set_robust_list(0x55558621d760, 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(3)                    = 0
[pid  5284] write(1, "executing program\n", 18executing program
) = 18
[pid  5284] memfd_create("syzkaller", 0) = 3
[pid  5284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5284] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5284] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5284] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5284] ftruncate(4, 49524)         = 0
[pid  5284] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5284] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5284] memfd_create("syzkaller", 0) = 6
[pid  5284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5284] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5284] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=1 /* 0.01 s */, si_stime=3 /* 0.03 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=0x55558621d750) = 5285
./strace-static-x86_64: Process 5285 attached
[pid  5285] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5285] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5285] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5285] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5285] ftruncate(4, 49524)         = 0
[pid  5285] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5285] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5285] memfd_create("syzkaller", 0) = 6
[pid  5285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5285] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5285] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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=0x55558621d750) = 5286
./strace-static-x86_64: Process 5286 attached
[pid  5286] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5286] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5286] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5286] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5286] ftruncate(4, 49524)         = 0
[pid  5286] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5286] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5286] memfd_create("syzkaller", 0) = 6
[pid  5286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5286] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5286] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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=0x55558621d750) = 5287
[pid  5287] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5287] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5287] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5287] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5287] ftruncate(4, 49524)         = 0
[pid  5287] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5287] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5287] memfd_create("syzkaller", 0) = 6
[pid  5287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5287] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5287] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5288 attached
, child_tidptr=0x55558621d750) = 5288
[pid  5288] set_robust_list(0x55558621d760, 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
[pid  5288] write(1, "executing program\n", 18executing program
) = 18
[pid  5288] memfd_create("syzkaller", 0) = 3
[pid  5288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5288] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5288] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5288] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5288] ftruncate(4, 49524)         = 0
[pid  5288] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5288] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5288] memfd_create("syzkaller", 0) = 6
[pid  5288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5288] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5288] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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 5289 attached
, child_tidptr=0x55558621d750) = 5289
[pid  5289] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5289] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5289] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5289] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5289] ftruncate(4, 49524)         = 0
[pid  5289] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5289] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5289] memfd_create("syzkaller", 0) = 6
[pid  5289] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5289] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5289] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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=0x55558621d750) = 5290
./strace-static-x86_64: Process 5290 attached
[pid  5290] set_robust_list(0x55558621d760, 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
[pid  5290] write(1, "executing program\n", 18executing program
) = 18
[pid  5290] memfd_create("syzkaller", 0) = 3
[pid  5290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5290] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5290] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5290] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5290] ftruncate(4, 49524)         = 0
[pid  5290] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5290] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5290] memfd_create("syzkaller", 0) = 6
[pid  5290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5290] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5290] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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=0x55558621d750) = 5291
./strace-static-x86_64: Process 5291 attached
[pid  5291] set_robust_list(0x55558621d760, 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(3)                    = 0
executing program
[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) = 0x7f7cf1400000
[pid  5291] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5291] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5291] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5291] ftruncate(4, 49524)         = 0
[pid  5291] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5291] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5291] memfd_create("syzkaller", 0) = 6
[pid  5291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5291] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5291] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5292 attached
 
[pid  5292] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5292
[pid  5292] <... set_robust_list resumed>) = 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
executing program
[pid  5292] write(1, "executing program\n", 18) = 18
[pid  5292] memfd_create("syzkaller", 0) = 3
[pid  5292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5292] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5292] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5292] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5292] ftruncate(4, 49524)         = 0
[pid  5292] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5292] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5292] memfd_create("syzkaller", 0) = 6
[pid  5292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5292] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5292] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5293 attached
 
[pid  5293] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5293
[pid  5293] <... set_robust_list resumed>) = 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) = 0x7f7cf1400000
[pid  5293] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5293] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5293] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5293] ftruncate(4, 49524)         = 0
[pid  5293] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5293] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5293] memfd_create("syzkaller", 0) = 6
[pid  5293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5293] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5293] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5294 attached
, child_tidptr=0x55558621d750) = 5294
[pid  5294] set_robust_list(0x55558621d760, 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
[pid  5294] write(1, "executing program\n", 18executing program
) = 18
[pid  5294] memfd_create("syzkaller", 0) = 3
[pid  5294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5294] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5294] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5294] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5294] ftruncate(4, 49524)         = 0
[pid  5294] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5294] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5294] memfd_create("syzkaller", 0) = 6
[pid  5294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5294] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5294] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5295 attached
, child_tidptr=0x55558621d750) = 5295
[pid  5295] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5295] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5295] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5295] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5295] ftruncate(4, 49524)         = 0
[pid  5295] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5295] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5295] memfd_create("syzkaller", 0) = 6
[pid  5295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5295] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5295] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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, child_tidptr=0x55558621d750) = 5296
./strace-static-x86_64: Process 5296 attached
[pid  5296] set_robust_list(0x55558621d760, 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(3)                    = 0
[pid  5296] write(1, "executing program\n", 18executing program
) = 18
[pid  5296] memfd_create("syzkaller", 0) = 3
[pid  5296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5296] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5296] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5296] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5296] ftruncate(4, 49524)         = 0
[pid  5296] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5296] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5296] memfd_create("syzkaller", 0) = 6
[pid  5296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5296] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5296] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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 5297 attached
 
[pid  5297] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5297
[pid  5297] <... set_robust_list resumed>) = 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
executing program
[pid  5297] write(1, "executing program\n", 18) = 18
[pid  5297] memfd_create("syzkaller", 0) = 3
[pid  5297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5297] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5297] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5297] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5297] ftruncate(4, 49524)         = 0
[pid  5297] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5297] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5297] memfd_create("syzkaller", 0) = 6
[pid  5297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5297] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5297] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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=0x55558621d750) = 5298
./strace-static-x86_64: Process 5298 attached
[pid  5298] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5298] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5298] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5298] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5298] ftruncate(4, 49524)         = 0
[pid  5298] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5298] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5298] memfd_create("syzkaller", 0) = 6
[pid  5298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5298] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5298] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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./strace-static-x86_64: Process 5299 attached
, child_tidptr=0x55558621d750) = 5299
[pid  5299] set_robust_list(0x55558621d760, 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
[pid  5299] write(1, "executing program\n", 18executing program
) = 18
[pid  5299] memfd_create("syzkaller", 0) = 3
[pid  5299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5299] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5299] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5299] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5299] ftruncate(4, 49524)         = 0
[pid  5299] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5299] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5299] memfd_create("syzkaller", 0) = 6
[pid  5299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5299] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5299] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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 */} ---
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 5300 attached
 
[pid  5300] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5300
[pid  5300] <... set_robust_list resumed>) = 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) = 0x7f7cf1400000
[pid  5300] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5300] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5300] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5300] ftruncate(4, 49524)         = 0
[pid  5300] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5300] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5300] memfd_create("syzkaller", 0) = 6
[pid  5300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5300] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5300] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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=0x55558621d750) = 5301
./strace-static-x86_64: Process 5301 attached
[pid  5301] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5301] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5301] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5301] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5301] ftruncate(4, 49524)         = 0
[pid  5301] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5301] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5301] memfd_create("syzkaller", 0) = 6
[pid  5301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5301] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5301] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=1 /* 0.01 s */, 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 5302 attached
, child_tidptr=0x55558621d750) = 5302
[pid  5302] set_robust_list(0x55558621d760, 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
executing program
[pid  5302] write(1, "executing program\n", 18) = 18
[pid  5302] memfd_create("syzkaller", 0) = 3
[pid  5302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5302] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5302] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5302] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5302] ftruncate(4, 49524)         = 0
[pid  5302] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5302] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5302] memfd_create("syzkaller", 0) = 6
[pid  5302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5302] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5302] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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=0x55558621d750) = 5303
./strace-static-x86_64: Process 5303 attached
[pid  5303] set_robust_list(0x55558621d760, 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
[pid  5303] write(1, "executing program\n", 18) = 18
executing program
[pid  5303] memfd_create("syzkaller", 0) = 3
[pid  5303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5303] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5303] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5303] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5303] ftruncate(4, 49524)         = 0
[pid  5303] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5303] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5303] memfd_create("syzkaller", 0) = 6
[pid  5303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5303] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5303] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5304 attached
, child_tidptr=0x55558621d750) = 5304
[pid  5304] set_robust_list(0x55558621d760, 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", 4)         = 4
[pid  5304] close(3)                    = 0
[pid  5304] write(1, "executing program\n", 18executing program
) = 18
[pid  5304] memfd_create("syzkaller", 0) = 3
[pid  5304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5304] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5304] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5304] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5304] ftruncate(4, 49524)         = 0
[pid  5304] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5304] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5304] memfd_create("syzkaller", 0) = 6
[pid  5304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5304] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5304] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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
 
[pid  5305] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5305
[pid  5305] <... set_robust_list resumed>) = 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(3executing program
)                    = 0
[pid  5305] write(1, "executing program\n", 18) = 18
[pid  5305] memfd_create("syzkaller", 0) = 3
[pid  5305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5305] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5305] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5305] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5305] ftruncate(4, 49524)         = 0
[pid  5305] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5305] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5305] memfd_create("syzkaller", 0) = 6
[pid  5305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5305] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5305] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5306 attached
, child_tidptr=0x55558621d750) = 5306
[pid  5306] set_robust_list(0x55558621d760, 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(3executing program
)                    = 0
[pid  5306] write(1, "executing program\n", 18) = 18
[pid  5306] memfd_create("syzkaller", 0) = 3
[pid  5306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5306] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5306] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5306] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5306] ftruncate(4, 49524)         = 0
[pid  5306] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5306] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5306] memfd_create("syzkaller", 0) = 6
[pid  5306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5306] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5306] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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, child_tidptr=0x55558621d750) = 5307
./strace-static-x86_64: Process 5307 attached
[pid  5307] set_robust_list(0x55558621d760, 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
[pid  5307] write(1, "executing program\n", 18executing program
) = 18
[pid  5307] memfd_create("syzkaller", 0) = 3
[pid  5307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5307] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5307] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5307] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5307] ftruncate(4, 49524)         = 0
[pid  5307] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5307] memfd_create("syzkaller", 0) = 6
[pid  5307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5307] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5307] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=5 /* 0.05 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
 
[pid  5308] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5308
[pid  5308] <... set_robust_list resumed>) = 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
[pid  5308] write(1, "executing program\n", 18executing program
) = 18
[pid  5308] memfd_create("syzkaller", 0) = 3
[pid  5308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5308] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5308] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5308] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5308] ftruncate(4, 49524)         = 0
[pid  5308] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5308] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5308] memfd_create("syzkaller", 0) = 6
[pid  5308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5308] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5308] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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 5309 attached
, child_tidptr=0x55558621d750) = 5309
[pid  5309] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5309] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5309] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5309] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5309] ftruncate(4, 49524)         = 0
[pid  5309] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5309] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5309] memfd_create("syzkaller", 0) = 6
[pid  5309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5309] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5309] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=4 /* 0.04 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 5310 attached
, child_tidptr=0x55558621d750) = 5310
[pid  5310] set_robust_list(0x55558621d760, 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(3executing program
)                    = 0
[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) = 0x7f7cf1400000
[pid  5310] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5310] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5310] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5310] ftruncate(4, 49524)         = 0
[pid  5310] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5310] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5310] memfd_create("syzkaller", 0) = 6
[pid  5310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5310] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5310] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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=0x55558621d750) = 5311
./strace-static-x86_64: Process 5311 attached
[pid  5311] set_robust_list(0x55558621d760, 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) = 0x7f7cf1400000
[pid  5311] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\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(0x7f7cf1400000, 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=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5311] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5311] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5311] ftruncate(4, 49524)         = 0
[pid  5311] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5311] memfd_create("syzkaller", 0) = 6
[pid  5311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5311] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5311] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[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=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 5312 attached
 
[pid  5312] set_robust_list(0x55558621d760, 24 
[pid  5226] <... clone resumed>, child_tidptr=0x55558621d750) = 5312
[pid  5312] <... set_robust_list resumed>) = 0
[pid  5312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5312] setpgid(0, 0)               = 0
[pid  5312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5312] write(3, "1000", 4)         = 4
[pid  5312] close(3)                    = 0
executing program
[pid  5312] write(1, "executing program\n", 18) = 18
[pid  5312] memfd_create("syzkaller", 0) = 3
[pid  5312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5312] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5312] munmap(0x7f7cf1400000, 138412032) = 0
[pid  5312] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5312] close(3)                    = 0
[pid  5312] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5312] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5312] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5312] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5312] ftruncate(4, 49524)         = 0
[pid  5312] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5312] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5312] memfd_create("syzkaller", 0) = 6
[pid  5312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5312] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5312] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[pid  5312] exit_group(0)               = ?
[pid  5312] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5312, 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=0x55558621d750) = 5313
./strace-static-x86_64: Process 5313 attached
[pid  5313] set_robust_list(0x55558621d760, 24) = 0
[pid  5313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5313] setpgid(0, 0)               = 0
[pid  5313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5313] write(3, "1000", 4)         = 4
[pid  5313] close(3)                    = 0
executing program
[pid  5313] write(1, "executing program\n", 18) = 18
[pid  5313] memfd_create("syzkaller", 0) = 3
[pid  5313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5313] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5313] munmap(0x7f7cf1400000, 138412032) = 0
[pid  5313] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5313] close(3)                    = 0
[pid  5313] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5313] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5313] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5313] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5313] ftruncate(4, 49524)         = 0
[pid  5313] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5313] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5313] memfd_create("syzkaller", 0) = 6
[pid  5313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5313] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5313] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[pid  5313] exit_group(0)               = ?
[pid  5313] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5313, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558621d750) = 5314
./strace-static-x86_64: Process 5314 attached
[pid  5314] set_robust_list(0x55558621d760, 24) = 0
[pid  5314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5314] setpgid(0, 0)               = 0
[pid  5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5314] write(3, "1000", 4)         = 4
[pid  5314] close(3)                    = 0
[pid  5314] write(1, "executing program\n", 18executing program
) = 18
[pid  5314] memfd_create("syzkaller", 0) = 3
[pid  5314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5314] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5314] munmap(0x7f7cf1400000, 138412032) = 0
[pid  5314] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5314] close(3)                    = 0
[pid  5314] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5314] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5314] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5314] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5314] ftruncate(4, 49524)         = 0
[pid  5314] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5314] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5314] memfd_create("syzkaller", 0) = 6
[pid  5314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5314] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5314] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[pid  5314] exit_group(0)               = ?
[pid  5314] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5314, 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 5315 attached
, child_tidptr=0x55558621d750) = 5315
[pid  5315] set_robust_list(0x55558621d760, 24) = 0
[pid  5315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5315] setpgid(0, 0)               = 0
[pid  5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5315] write(3, "1000", 4)         = 4
[pid  5315] close(3executing program
)                    = 0
[pid  5315] write(1, "executing program\n", 18) = 18
[pid  5315] memfd_create("syzkaller", 0) = 3
[pid  5315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5315] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5315] munmap(0x7f7cf1400000, 138412032) = 0
[pid  5315] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5315] close(3)                    = 0
[pid  5315] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5315] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5315] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5315] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5315] ftruncate(4, 49524)         = 0
[pid  5315] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5315] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5315] memfd_create("syzkaller", 0) = 6
[pid  5315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5315] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5315] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[pid  5315] exit_group(0)               = ?
[pid  5315] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5315, 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 5316 attached
, child_tidptr=0x55558621d750) = 5316
[pid  5316] set_robust_list(0x55558621d760, 24) = 0
[pid  5316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5316] setpgid(0, 0)               = 0
[pid  5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5316] write(3, "1000", 4)         = 4
[pid  5316] close(3)                    = 0
[pid  5316] write(1, "executing program\n", 18executing program
) = 18
[pid  5316] memfd_create("syzkaller", 0) = 3
[pid  5316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5316] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5316] munmap(0x7f7cf1400000, 138412032) = 0
[pid  5316] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5316] close(3)                    = 0
[pid  5316] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5316] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5316] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5316] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5316] ftruncate(4, 49524)         = 0
[pid  5316] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5316] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5316] memfd_create("syzkaller", 0) = 6
[pid  5316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5316] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc2} ---
[pid  5316] ioctl(5, _IOC(_IOC_WRITE, 0x58, 0x29, 0x30), 0x20000000) = 0
[pid  5316] exit_group(0)               = ?
[pid  5316] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5316, 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 5317 attached
, child_tidptr=0x55558621d750) = 5317
[pid  5317] set_robust_list(0x55558621d760, 24) = 0
[pid  5317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5317] setpgid(0, 0)               = 0
[pid  5317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5317] write(3, "1000", 4)         = 4
[pid  5317] close(3)                    = 0
executing program
[pid  5317] write(1, "executing program\n", 18) = 18
[pid  5317] memfd_create("syzkaller", 0) = 3
[pid  5317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000
[pid  5317] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid  5317] munmap(0x7f7cf1400000, 138412032) = 0
[pid  5317] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5317] close(3)                    = 0
[pid  5317] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 3
[pid  5317] ioctl(3, FS_IOC_FIEMAP, {fm_start=0, fm_length=17592186040318, fm_flags=0, fm_extent_count=2} => {fm_flags=0, fm_mapped_extents=0, ...}) = 0
[pid  5317] openat(AT_FDCWD, "blkio.bfq.io_queued_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5317] mmap(0x20000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x20000000
[pid  5317] ftruncate(4, 49524)         = 0
[pid  5317] openat(AT_FDCWD, 0x20000100, O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[pid  5317] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x20012cc0} ---
[pid  5317] memfd_create("syzkaller", 0) = 6
[pid  5317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7cf1400000