./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