./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1515616341 <...> Warning: Permanently added '10.128.1.17' (ED25519) to the list of known hosts. execve("./syz-executor1515616341", ["./syz-executor1515616341"], 0x7ffe708abea0 /* 10 vars */) = 0 brk(NULL) = 0x5555642bd000 brk(0x5555642bdd00) = 0x5555642bdd00 arch_prctl(ARCH_SET_FS, 0x5555642bd380) = 0 set_tid_address(0x5555642bd650) = 5839 set_robust_list(0x5555642bd660, 24) = 0 rseq(0x5555642bdca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1515616341", 4096) = 28 getrandom("\x96\x6f\x8f\x48\x10\x22\x3d\xbf", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555642bdd00 brk(0x5555642ded00) = 0x5555642ded00 brk(0x5555642df000) = 0x5555642df000 mprotect(0x7fc18e05e000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 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 5841 attached , child_tidptr=0x5555642bd650) = 5841 [pid 5841] set_robust_list(0x5555642bd660, 24) = 0 [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5841] setpgid(0, 0) = 0 [pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "1000", 4) = 4 [pid 5841] close(3) = 0 [pid 5841] write(1, "executing program\n", 18executing program ) = 18 [pid 5841] memfd_create("syzkaller", 0) = 3 [pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5841] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5841] munmap(0x7fc185a00000, 138412032) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5841] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5841] close(3) = 0 [pid 5841] close(4) = 0 [pid 5841] mkdir("./file0", 0777) = 0 [ 96.536681][ T5841] loop0: detected capacity change from 0 to 512 [ 96.562003][ T5841] [EXT4 FS bs=1024, gc=1, bpg=8192, ipg=32, mo=a856c098, mo2=0002] [ 96.571503][ T5841] System zones: 1-12 [pid 5841] mount("/dev/loop0", "./file0", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "usrjquota=,journal_dev=0x0000000000008000,debug,minixdf,resgid=0x0000000000000000,grpquota,usrjquota"...) = 0 [pid 5841] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5841] chdir("./file0") = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5841] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EUCLEAN (Structure needs cleaning) [pid 5841] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = -1 EUCLEAN (Structure needs cleaning) [pid 5841] open("./bus", O_RDONLY) = -1 EUCLEAN (Structure needs cleaning) [pid 5841] ioctl(-1, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = -1 EBADF (Bad file descriptor) [pid 5841] exit_group(0) = ? [ 96.580291][ T5841] EXT4-fs error (device loop0): ext4_iget_extra_inode:5035: inode #15: comm syz-executor151: corrupted in-inode xattr: invalid ea_ino [ 96.597140][ T5841] EXT4-fs error (device loop0): ext4_orphan_get:1398: comm syz-executor151: couldn't read orphan inode 15 (err -117) [ 96.613018][ T5841] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [pid 5841] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5844 attached , child_tidptr=0x5555642bd650) = 5844 [pid 5844] set_robust_list(0x5555642bd660, 24) = 0 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5844] setpgid(0, 0) = 0 [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5844] write(3, "1000", 4) = 4 [pid 5844] close(3) = 0 executing program [pid 5844] write(1, "executing program\n", 18) = 18 [pid 5844] memfd_create("syzkaller", 0) = 3 [pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5844] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5844] munmap(0x7fc185a00000, 138412032) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5844] close(3) = 0 [pid 5844] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = 3 [pid 5844] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5844] open("./bus", O_RDONLY) = 4 [ 96.926630][ T5844] loop0: detected capacity change from 512 to 64 [ 96.933697][ T5844] [ 96.936039][ T5844] ====================================================== [ 96.943086][ T5844] WARNING: possible circular locking dependency detected [ 96.950501][ T5844] 6.15.0-next-20250530-syzkaller #0 Not tainted [ 96.957213][ T5844] ------------------------------------------------------ [ 96.965149][ T5844] syz-executor151/5844 is trying to acquire lock: [ 96.972096][ T5844] ffffffff8f87c428 (uevent_sock_mutex){+.+.}-{4:4}, at: kobject_uevent_net_broadcast+0x27e/0x560 [ 96.983094][ T5844] [ 96.983094][ T5844] but task is already holding lock: [ 96.991013][ T5844] ffff888142701e00 (&q->q_usage_counter(io)#17){++++}-{0:0}, at: loop_set_status+0x227/0xaf0 [ 97.001683][ T5844] [ 97.001683][ T5844] which lock already depends on the new lock. [ 97.001683][ T5844] [ 97.012634][ T5844] [ 97.012634][ T5844] the existing dependency chain (in reverse order) is: [ 97.022203][ T5844] [ 97.022203][ T5844] -> #2 (&q->q_usage_counter(io)#17){++++}-{0:0}: [ 97.031604][ T5844] lock_acquire+0x120/0x360 [ 97.036840][ T5844] blk_alloc_queue+0x538/0x620 [ 97.042321][ T5844] __blk_mq_alloc_disk+0x162/0x340 [ 97.047999][ T5844] loop_add+0x41b/0xad0 [ 97.052777][ T5844] loop_init+0x173/0x230 [ 97.057842][ T5844] do_one_initcall+0x233/0x820 [ 97.063443][ T5844] do_initcall_level+0x137/0x1f0 [ 97.069003][ T5844] do_initcalls+0x69/0xd0 [ 97.073976][ T5844] kernel_init_freeable+0x3d9/0x570 [ 97.079826][ T5844] kernel_init+0x1d/0x1d0 [ 97.084984][ T5844] ret_from_fork+0x3fc/0x770 [ 97.090127][ T5844] ret_from_fork_asm+0x1a/0x30 [ 97.095870][ T5844] [ 97.095870][ T5844] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 97.103284][ T5844] lock_acquire+0x120/0x360 [ 97.108593][ T5844] fs_reclaim_acquire+0x72/0x100 [ 97.114257][ T5844] kmem_cache_alloc_node_noprof+0x47/0x3c0 [ 97.120656][ T5844] __alloc_skb+0x112/0x2d0 [ 97.125636][ T5844] alloc_uevent_skb+0x7d/0x230 [ 97.131127][ T5844] kobject_uevent_net_broadcast+0x2fa/0x560 [ 97.137764][ T5844] kobject_uevent_env+0x55b/0x8c0 [ 97.143495][ T5844] kobject_synth_uevent+0x527/0xb00 [ 97.149314][ T5844] bus_uevent_store+0x115/0x170 [ 97.155170][ T5844] kernfs_fop_write_iter+0x378/0x4f0 [ 97.162383][ T5844] vfs_write+0x54b/0xa90 [ 97.167264][ T5844] ksys_write+0x145/0x250 [ 97.172244][ T5844] do_syscall_64+0xfa/0x3b0 [ 97.177399][ T5844] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.183954][ T5844] [ 97.183954][ T5844] -> #0 (uevent_sock_mutex){+.+.}-{4:4}: [ 97.192909][ T5844] validate_chain+0xb9b/0x2140 [ 97.198937][ T5844] __lock_acquire+0xab9/0xd20 [ 97.204355][ T5844] lock_acquire+0x120/0x360 [ 97.209775][ T5844] __mutex_lock+0x182/0xe80 [ 97.215436][ T5844] kobject_uevent_net_broadcast+0x27e/0x560 [ 97.222000][ T5844] kobject_uevent_env+0x55b/0x8c0 [ 97.227951][ T5844] set_capacity_and_notify+0x26d/0x2d0 [ 97.234254][ T5844] loop_set_status+0x45b/0xaf0 [ 97.240358][ T5844] lo_ioctl+0xa5e/0x2410 [ 97.245414][ T5844] blkdev_ioctl+0x5a8/0x6d0 [ 97.250564][ T5844] __se_sys_ioctl+0xf9/0x170 [ 97.255693][ T5844] do_syscall_64+0xfa/0x3b0 [ 97.261078][ T5844] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.267507][ T5844] [ 97.267507][ T5844] other info that might help us debug this: [ 97.267507][ T5844] [ 97.277998][ T5844] Chain exists of: [ 97.277998][ T5844] uevent_sock_mutex --> fs_reclaim --> &q->q_usage_counter(io)#17 [ 97.277998][ T5844] [ 97.292458][ T5844] Possible unsafe locking scenario: [ 97.292458][ T5844] [ 97.300438][ T5844] CPU0 CPU1 [ 97.306066][ T5844] ---- ---- [ 97.311890][ T5844] lock(&q->q_usage_counter(io)#17); [ 97.318397][ T5844] lock(fs_reclaim); [ 97.325389][ T5844] lock(&q->q_usage_counter(io)#17); [ 97.333414][ T5844] lock(uevent_sock_mutex); [ 97.338132][ T5844] [ 97.338132][ T5844] *** DEADLOCK *** [ 97.338132][ T5844] [ 97.346384][ T5844] 3 locks held by syz-executor151/5844: [ 97.352037][ T5844] #0: ffff888025289400 (&lo->lo_mutex){+.+.}-{4:4}, at: loop_set_status+0x2c/0xaf0 [ 97.361587][ T5844] #1: ffff888142701e00 (&q->q_usage_counter(io)#17){++++}-{0:0}, at: loop_set_status+0x227/0xaf0 [ 97.372331][ T5844] #2: ffff888142701e38 (&q->q_usage_counter(queue)#20){+.+.}-{0:0}, at: loop_set_status+0x227/0xaf0 [ 97.383850][ T5844] [ 97.383850][ T5844] stack backtrace: [ 97.389872][ T5844] CPU: 0 UID: 0 PID: 5844 Comm: syz-executor151 Not tainted 6.15.0-next-20250530-syzkaller #0 PREEMPT(full) [ 97.389894][ T5844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 97.389913][ T5844] Call Trace: [ 97.389922][ T5844] [ 97.389930][ T5844] dump_stack_lvl+0x189/0x250 [ 97.389951][ T5844] ? __pfx_dump_stack_lvl+0x10/0x10 [ 97.389967][ T5844] ? __pfx__printk+0x10/0x10 [ 97.389985][ T5844] ? print_lock_name+0xde/0x100 [ 97.390004][ T5844] print_circular_bug+0x2ee/0x310 [ 97.390024][ T5844] check_noncircular+0x134/0x160 [ 97.390044][ T5844] validate_chain+0xb9b/0x2140 [ 97.390069][ T5844] __lock_acquire+0xab9/0xd20 [ 97.390096][ T5844] ? kobject_uevent_net_broadcast+0x27e/0x560 [ 97.390115][ T5844] lock_acquire+0x120/0x360 [ 97.390138][ T5844] ? kobject_uevent_net_broadcast+0x27e/0x560 [ 97.390163][ T5844] __mutex_lock+0x182/0xe80 [ 97.390189][ T5844] ? kobject_uevent_net_broadcast+0x27e/0x560 [ 97.390209][ T5844] ? vsnprintf+0xe11/0xf00 [ 97.390230][ T5844] ? kobject_uevent_net_broadcast+0x27e/0x560 [ 97.390250][ T5844] ? __pfx___mutex_lock+0x10/0x10 [ 97.390275][ T5844] ? add_uevent_var+0x278/0x450 [ 97.390300][ T5844] ? kobject_uevent_env+0x50a/0x8c0 [ 97.390318][ T5844] ? __pfx_add_uevent_var+0x10/0x10 [ 97.390337][ T5844] kobject_uevent_net_broadcast+0x27e/0x560 [ 97.390359][ T5844] kobject_uevent_env+0x55b/0x8c0 [ 97.390381][ T5844] set_capacity_and_notify+0x26d/0x2d0 [ 97.390409][ T5844] ? __pfx_set_capacity_and_notify+0x10/0x10 [ 97.390435][ T5844] ? loop_set_status_from_info+0x185/0x250 [ 97.390459][ T5844] loop_set_status+0x45b/0xaf0 [ 97.390485][ T5844] lo_ioctl+0xa5e/0x2410 [ 97.390509][ T5844] ? stack_trace_save+0x9c/0xe0 [ 97.390529][ T5844] ? __pfx_lo_ioctl+0x10/0x10 [ 97.390549][ T5844] ? stack_depot_save_flags+0x40/0x900 [ 97.390572][ T5844] ? __lock_acquire+0xab9/0xd20 [ 97.390601][ T5844] ? __lock_acquire+0xab9/0xd20 [ 97.390632][ T5844] ? is_bpf_text_address+0x26/0x2b0 [ 97.390649][ T5844] ? is_bpf_text_address+0x292/0x2b0 [ 97.390672][ T5844] ? __lock_acquire+0xab9/0xd20 [ 97.390703][ T5844] ? is_bpf_text_address+0x26/0x2b0 [ 97.390720][ T5844] ? is_bpf_text_address+0x292/0x2b0 [ 97.390735][ T5844] ? is_bpf_text_address+0x26/0x2b0 [ 97.390751][ T5844] ? kernel_text_address+0xa5/0xe0 [ 97.390774][ T5844] ? __kernel_text_address+0xd/0x40 [ 97.390795][ T5844] ? unwind_get_return_address+0x4d/0x90 [ 97.390822][ T5844] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 97.390841][ T5844] ? arch_stack_walk+0xfc/0x150 [ 97.390863][ T5844] ? stack_trace_save+0x9c/0xe0 [ 97.390882][ T5844] ? stack_depot_save_flags+0x40/0x900 [ 97.390906][ T5844] ? kasan_save_track+0x4f/0x80 [ 97.390922][ T5844] ? kasan_save_track+0x3e/0x80 [ 97.390936][ T5844] ? kasan_save_free_info+0x46/0x50 [ 97.390958][ T5844] ? __kasan_slab_free+0x62/0x70 [ 97.390974][ T5844] ? kfree+0x18e/0x440 [ 97.390988][ T5844] ? tomoyo_path_number_perm+0x47a/0x5a0 [ 97.391004][ T5844] ? security_file_ioctl+0xcb/0x2d0 [ 97.391029][ T5844] ? __se_sys_ioctl+0x47/0x170 [ 97.391044][ T5844] ? do_syscall_64+0xfa/0x3b0 [ 97.391057][ T5844] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.391083][ T5844] ? do_vfs_ioctl+0xf37/0x1990 [ 97.391099][ T5844] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 97.391116][ T5844] ? kasan_quarantine_put+0xdd/0x220 [ 97.391135][ T5844] ? blkdev_common_ioctl+0xfc3/0x2450 [ 97.391159][ T5844] ? tomoyo_path_number_perm+0x1bc/0x5a0 [ 97.391175][ T5844] ? tomoyo_path_number_perm+0x1bc/0x5a0 [ 97.391190][ T5844] ? __pfx_blkdev_common_ioctl+0x10/0x10 [ 97.391213][ T5844] ? tomoyo_path_number_perm+0x4e2/0x5a0 [ 97.391229][ T5844] ? tomoyo_path_number_perm+0x1bc/0x5a0 [ 97.391245][ T5844] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 97.391263][ T5844] ? _raw_spin_lock_irq+0xae/0xf0 [ 97.391302][ T5844] ? __pfx_lo_ioctl+0x10/0x10 [ 97.391321][ T5844] blkdev_ioctl+0x5a8/0x6d0 [ 97.391346][ T5844] ? __pfx_blkdev_ioctl+0x10/0x10 [ 97.391370][ T5844] ? bpf_lsm_file_ioctl+0x9/0x20 [ 97.391385][ T5844] ? __pfx_blkdev_ioctl+0x10/0x10 [ 97.391408][ T5844] __se_sys_ioctl+0xf9/0x170 [ 97.391424][ T5844] do_syscall_64+0xfa/0x3b0 [ 97.391438][ T5844] ? lockdep_hardirqs_on+0x9c/0x150 [ 97.391462][ T5844] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.391478][ T5844] ? clear_bhb_loop+0x60/0xb0 [ 97.391496][ T5844] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.391513][ T5844] RIP: 0033:0x7fc18dfe9fd9 [ 97.391533][ T5844] 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 [ 97.391548][ T5844] RSP: 002b:00007ffd388f1928 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 97.391565][ T5844] RAX: ffffffffffffffda RBX: 00007fc18e033095 RCX: 00007fc18dfe9fd9 [ 97.391577][ T5844] RDX: 0000200000000540 RSI: 0000000000004c04 RDI: 0000000000000004 [pid 5844] ioctl(4, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5844] exit_group(0) = ? [pid 5844] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, 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=0x5555642bd650) = 5846 ./strace-static-x86_64: Process 5846 attached [pid 5846] set_robust_list(0x5555642bd660, 24) = 0 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] setpgid(0, 0) = 0 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5846] write(3, "1000", 4) = 4 [pid 5846] close(3) = 0 executing program [pid 5846] write(1, "executing program\n", 18) = 18 [pid 5846] memfd_create("syzkaller", 0) = 3 [pid 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5846] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5846] munmap(0x7fc185a00000, 138412032) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] close(3) = 0 [pid 5846] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [ 97.391588][ T5844] RBP: 5f6c616e72756f6a R08: 00005555642be4c0 R09: 00005555642be4c0 [ 97.391600][ T5844] R10: 00005555642be4c0 R11: 0000000000000246 R12: 746f75716a727375 [ 97.391612][ T5844] R13: 00007ffd388f193c R14: 0000200000000184 R15: 0000200000000180 [ 97.391630][ T5844] [pid 5846] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5846] open("./bus", O_RDONLY) = 3 [pid 5846] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5846] exit_group(0) = ? [pid 5846] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5847 attached [pid 5847] set_robust_list(0x5555642bd660, 24) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x5555642bd650) = 5847 [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5847] setpgid(0, 0) = 0 [ 97.939630][ T1214] cfg80211: failed to load regulatory.db [pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5847] write(3, "1000", 4) = 4 [pid 5847] close(3) = 0 [pid 5847] write(1, "executing program\n", 18executing program ) = 18 [pid 5847] memfd_create("syzkaller", 0) = 3 [pid 5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5847] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5847] munmap(0x7fc185a00000, 138412032) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5847] close(3) = 0 [pid 5847] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5847] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5847] open("./bus", O_RDONLY) = 3 [pid 5847] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5847] exit_group(0) = ? [pid 5847] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5848 attached , child_tidptr=0x5555642bd650) = 5848 [pid 5848] set_robust_list(0x5555642bd660, 24) = 0 [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5848] setpgid(0, 0) = 0 [pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "1000", 4) = 4 [pid 5848] close(3) = 0 executing program [pid 5848] write(1, "executing program\n", 18) = 18 [pid 5848] memfd_create("syzkaller", 0) = 3 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5848] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5848] munmap(0x7fc185a00000, 138412032) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5848] close(3) = 0 [pid 5848] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5848] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5848] open("./bus", O_RDONLY) = 3 [pid 5848] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5848] exit_group(0) = ? [pid 5848] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5850 attached , child_tidptr=0x5555642bd650) = 5850 [pid 5850] set_robust_list(0x5555642bd660, 24) = 0 [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5850] setpgid(0, 0) = 0 [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "1000", 4) = 4 [pid 5850] close(3executing program ) = 0 [pid 5850] write(1, "executing program\n", 18) = 18 [pid 5850] memfd_create("syzkaller", 0) = 3 [pid 5850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5850] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5850] munmap(0x7fc185a00000, 138412032) = 0 [pid 5850] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5850] close(3) = 0 [pid 5850] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5850] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5850] open("./bus", O_RDONLY) = 3 [pid 5850] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5850] exit_group(0) = ? [pid 5850] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5851 attached [pid 5851] set_robust_list(0x5555642bd660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x5555642bd650) = 5851 [pid 5851] <... set_robust_list resumed>) = 0 [pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5851] setpgid(0, 0) = 0 [pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5851] write(3, "1000", 4) = 4 [pid 5851] close(3) = 0 [pid 5851] write(1, "executing program\n", 18executing program ) = 18 [pid 5851] memfd_create("syzkaller", 0) = 3 [pid 5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5851] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5851] munmap(0x7fc185a00000, 138412032) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5851] close(3) = 0 [pid 5851] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5851] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5851] open("./bus", O_RDONLY) = 3 [pid 5851] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5851] exit_group(0) = ? [pid 5851] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, 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 5852 attached , child_tidptr=0x5555642bd650) = 5852 [pid 5852] set_robust_list(0x5555642bd660, 24) = 0 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5852] setpgid(0, 0) = 0 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] write(3, "1000", 4) = 4 [pid 5852] close(3) = 0 executing program [pid 5852] write(1, "executing program\n", 18) = 18 [pid 5852] memfd_create("syzkaller", 0) = 3 [pid 5852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5852] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5852] munmap(0x7fc185a00000, 138412032) = 0 [pid 5852] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5852] close(3) = 0 [pid 5852] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5852] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5852] open("./bus", O_RDONLY) = 3 [pid 5852] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5852] exit_group(0) = ? [pid 5852] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(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 5853 attached , child_tidptr=0x5555642bd650) = 5853 [pid 5853] set_robust_list(0x5555642bd660, 24) = 0 [pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5853] setpgid(0, 0) = 0 [pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5853] write(3, "1000", 4) = 4 [pid 5853] close(3) = 0 executing program [pid 5853] write(1, "executing program\n", 18) = 18 [pid 5853] memfd_create("syzkaller", 0) = 3 [pid 5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5853] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5853] munmap(0x7fc185a00000, 138412032) = 0 [pid 5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5853] close(3) = 0 [pid 5853] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5853] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5853] open("./bus", O_RDONLY) = 3 [pid 5853] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5853] exit_group(0) = ? [pid 5853] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5853, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(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 5855 attached , child_tidptr=0x5555642bd650) = 5855 [pid 5855] set_robust_list(0x5555642bd660, 24) = 0 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5855] setpgid(0, 0) = 0 [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5855] write(3, "1000", 4) = 4 [pid 5855] close(3) = 0 [pid 5855] write(1, "executing program\n", 18executing program ) = 18 [pid 5855] memfd_create("syzkaller", 0) = 3 [pid 5855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5855] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5855] munmap(0x7fc185a00000, 138412032) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5855] close(3) = 0 [pid 5855] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5855] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5855] open("./bus", O_RDONLY) = 3 [pid 5855] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5855] exit_group(0) = ? [pid 5855] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5856 attached , child_tidptr=0x5555642bd650) = 5856 [pid 5856] set_robust_list(0x5555642bd660, 24) = 0 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5856] setpgid(0, 0) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5856] write(3, "1000", 4) = 4 [pid 5856] close(3) = 0 executing program [pid 5856] write(1, "executing program\n", 18) = 18 [pid 5856] memfd_create("syzkaller", 0) = 3 [pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5856] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5856] munmap(0x7fc185a00000, 138412032) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5856] close(3) = 0 [pid 5856] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5856] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5856] open("./bus", O_RDONLY) = 3 [pid 5856] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5856] exit_group(0) = ? [pid 5856] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5857 attached , child_tidptr=0x5555642bd650) = 5857 [pid 5857] set_robust_list(0x5555642bd660, 24) = 0 [pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5857] setpgid(0, 0) = 0 [pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5857] write(3, "1000", 4) = 4 [pid 5857] close(3) = 0 executing program [pid 5857] write(1, "executing program\n", 18) = 18 [pid 5857] memfd_create("syzkaller", 0) = 3 [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5857] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5857] munmap(0x7fc185a00000, 138412032) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5857] close(3) = 0 [pid 5857] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5857] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5857] open("./bus", O_RDONLY) = 3 [pid 5857] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5857] exit_group(0) = ? [pid 5857] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5858 attached , child_tidptr=0x5555642bd650) = 5858 [pid 5858] set_robust_list(0x5555642bd660, 24) = 0 [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5858] setpgid(0, 0) = 0 [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5858] write(3, "1000", 4) = 4 [pid 5858] close(3) = 0 executing program [pid 5858] write(1, "executing program\n", 18) = 18 [pid 5858] memfd_create("syzkaller", 0) = 3 [pid 5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5858] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5858] munmap(0x7fc185a00000, 138412032) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5858] close(3) = 0 [pid 5858] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5858] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5858] open("./bus", O_RDONLY) = 3 [pid 5858] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5858] exit_group(0) = ? [pid 5858] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5858, 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 5859 attached [pid 5859] set_robust_list(0x5555642bd660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x5555642bd650) = 5859 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5859] setpgid(0, 0) = 0 [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5859] write(3, "1000", 4) = 4 [pid 5859] close(3) = 0 [pid 5859] write(1, "executing program\n", 18executing program ) = 18 [pid 5859] memfd_create("syzkaller", 0) = 3 [pid 5859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5859] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5859] munmap(0x7fc185a00000, 138412032) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5859] close(3) = 0 [pid 5859] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5859] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5859] open("./bus", O_RDONLY) = 3 [pid 5859] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5859] exit_group(0) = ? [pid 5859] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5861 attached , child_tidptr=0x5555642bd650) = 5861 [pid 5861] set_robust_list(0x5555642bd660, 24) = 0 [pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5861] setpgid(0, 0) = 0 [pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5861] write(3, "1000", 4) = 4 [pid 5861] close(3) = 0 executing program [pid 5861] write(1, "executing program\n", 18) = 18 [pid 5861] memfd_create("syzkaller", 0) = 3 [pid 5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5861] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5861] munmap(0x7fc185a00000, 138412032) = 0 [pid 5861] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5861] close(3) = 0 [pid 5861] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5861] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5861] open("./bus", O_RDONLY) = 3 [pid 5861] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5861] exit_group(0) = ? [pid 5861] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5862 attached , child_tidptr=0x5555642bd650) = 5862 [pid 5862] set_robust_list(0x5555642bd660, 24) = 0 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5862] setpgid(0, 0) = 0 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5862] write(3, "1000", 4) = 4 [pid 5862] close(3) = 0 executing program [pid 5862] write(1, "executing program\n", 18) = 18 [pid 5862] memfd_create("syzkaller", 0) = 3 [pid 5862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5862] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5862] munmap(0x7fc185a00000, 138412032) = 0 [pid 5862] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5862] close(3) = 0 [pid 5862] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5862] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5862] open("./bus", O_RDONLY) = 3 [pid 5862] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5862] exit_group(0) = ? [pid 5862] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5863 attached , child_tidptr=0x5555642bd650) = 5863 [pid 5863] set_robust_list(0x5555642bd660, 24) = 0 [pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5863] setpgid(0, 0) = 0 [pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5863] write(3, "1000", 4) = 4 [pid 5863] close(3) = 0 [pid 5863] write(1, "executing program\n", 18executing program ) = 18 [pid 5863] memfd_create("syzkaller", 0) = 3 [pid 5863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5863] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5863] munmap(0x7fc185a00000, 138412032) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5863] close(3) = 0 [pid 5863] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5863] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5863] open("./bus", O_RDONLY) = 3 [pid 5863] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5863] exit_group(0) = ? [pid 5863] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5864 attached , child_tidptr=0x5555642bd650) = 5864 [pid 5864] set_robust_list(0x5555642bd660, 24) = 0 [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5864] setpgid(0, 0) = 0 [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5864] write(3, "1000", 4) = 4 [pid 5864] close(3) = 0 executing program [pid 5864] write(1, "executing program\n", 18) = 18 [pid 5864] memfd_create("syzkaller", 0) = 3 [pid 5864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5864] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5864] munmap(0x7fc185a00000, 138412032) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5864] close(3) = 0 [pid 5864] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5864] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5864] open("./bus", O_RDONLY) = 3 [pid 5864] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5864] exit_group(0) = ? [pid 5864] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(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 5865 attached , child_tidptr=0x5555642bd650) = 5865 [pid 5865] set_robust_list(0x5555642bd660, 24) = 0 [pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5865] setpgid(0, 0) = 0 [pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5865] write(3, "1000", 4) = 4 [pid 5865] close(3executing program ) = 0 [pid 5865] write(1, "executing program\n", 18) = 18 [pid 5865] memfd_create("syzkaller", 0) = 3 [pid 5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5865] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5865] munmap(0x7fc185a00000, 138412032) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5865] close(3) = 0 [pid 5865] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5865] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5865] open("./bus", O_RDONLY) = 3 [pid 5865] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5865] exit_group(0) = ? [pid 5865] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5866 attached [pid 5866] set_robust_list(0x5555642bd660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x5555642bd650) = 5866 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5866] setpgid(0, 0) = 0 [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] write(3, "1000", 4) = 4 [pid 5866] close(3) = 0 executing program [pid 5866] write(1, "executing program\n", 18) = 18 [pid 5866] memfd_create("syzkaller", 0) = 3 [pid 5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5866] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5866] munmap(0x7fc185a00000, 138412032) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5866] close(3) = 0 [pid 5866] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5866] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5866] open("./bus", O_RDONLY) = 3 [pid 5866] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5866] exit_group(0) = ? [pid 5866] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5867 attached , child_tidptr=0x5555642bd650) = 5867 [pid 5867] set_robust_list(0x5555642bd660, 24) = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5867] setpgid(0, 0) = 0 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5867] write(3, "1000", 4) = 4 [pid 5867] close(3) = 0 [pid 5867] write(1, "executing program\n", 18executing program ) = 18 [pid 5867] memfd_create("syzkaller", 0) = 3 [pid 5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5867] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5867] munmap(0x7fc185a00000, 138412032) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5867] close(3) = 0 [pid 5867] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5867] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5867] open("./bus", O_RDONLY) = 3 [pid 5867] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5867] exit_group(0) = ? [pid 5867] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5868 attached , child_tidptr=0x5555642bd650) = 5868 [pid 5868] set_robust_list(0x5555642bd660, 24) = 0 [pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5868] setpgid(0, 0) = 0 [pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5868] write(3, "1000", 4) = 4 [pid 5868] close(3) = 0 executing program [pid 5868] write(1, "executing program\n", 18) = 18 [pid 5868] memfd_create("syzkaller", 0) = 3 [pid 5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5868] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5868] munmap(0x7fc185a00000, 138412032) = 0 [pid 5868] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5868] close(3) = 0 [pid 5868] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5868] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5868] open("./bus", O_RDONLY) = 3 [pid 5868] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5868] exit_group(0) = ? [pid 5868] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555642bd650) = 5869 ./strace-static-x86_64: Process 5869 attached [pid 5869] set_robust_list(0x5555642bd660, 24) = 0 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5869] setpgid(0, 0) = 0 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5869] write(3, "1000", 4) = 4 [pid 5869] close(3) = 0 executing program [pid 5869] write(1, "executing program\n", 18) = 18 [pid 5869] memfd_create("syzkaller", 0) = 3 [pid 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5869] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5869] munmap(0x7fc185a00000, 138412032) = 0 [pid 5869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5869] close(3) = 0 [pid 5869] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5869] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5869] open("./bus", O_RDONLY) = 3 [pid 5869] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5869] exit_group(0) = ? [pid 5869] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5870 attached , child_tidptr=0x5555642bd650) = 5870 [pid 5870] set_robust_list(0x5555642bd660, 24) = 0 [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5870] setpgid(0, 0) = 0 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5870] write(3, "1000", 4) = 4 [pid 5870] close(3) = 0 executing program [pid 5870] write(1, "executing program\n", 18) = 18 [pid 5870] memfd_create("syzkaller", 0) = 3 [pid 5870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5870] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5870] munmap(0x7fc185a00000, 138412032) = 0 [pid 5870] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5870] close(3) = 0 [pid 5870] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5870] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5870] open("./bus", O_RDONLY) = 3 [pid 5870] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5870] exit_group(0) = ? [pid 5870] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, 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 5872 attached , child_tidptr=0x5555642bd650) = 5872 [pid 5872] set_robust_list(0x5555642bd660, 24) = 0 [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5872] setpgid(0, 0) = 0 [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5872] write(3, "1000", 4) = 4 [pid 5872] close(3) = 0 executing program [pid 5872] write(1, "executing program\n", 18) = 18 [pid 5872] memfd_create("syzkaller", 0) = 3 [pid 5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5872] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5872] munmap(0x7fc185a00000, 138412032) = 0 [pid 5872] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5872] close(3) = 0 [pid 5872] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5872] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5872] open("./bus", O_RDONLY) = 3 [pid 5872] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5872] exit_group(0) = ? [pid 5872] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5873 attached , child_tidptr=0x5555642bd650) = 5873 [pid 5873] set_robust_list(0x5555642bd660, 24) = 0 [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5873] setpgid(0, 0) = 0 [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5873] write(3, "1000", 4) = 4 [pid 5873] close(3) = 0 executing program [pid 5873] write(1, "executing program\n", 18) = 18 [pid 5873] memfd_create("syzkaller", 0) = 3 [pid 5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5873] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5873] munmap(0x7fc185a00000, 138412032) = 0 [pid 5873] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5873] close(3) = 0 [pid 5873] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5873] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5873] open("./bus", O_RDONLY) = 3 [pid 5873] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5873] exit_group(0) = ? [pid 5873] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, 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 5874 attached , child_tidptr=0x5555642bd650) = 5874 [pid 5874] set_robust_list(0x5555642bd660, 24) = 0 [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5874] setpgid(0, 0) = 0 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5874] write(3, "1000", 4) = 4 [pid 5874] close(3) = 0 [pid 5874] write(1, "executing program\n", 18executing program ) = 18 [pid 5874] memfd_create("syzkaller", 0) = 3 [pid 5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5874] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5874] munmap(0x7fc185a00000, 138412032) = 0 [pid 5874] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5874] close(3) = 0 [pid 5874] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5874] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5874] open("./bus", O_RDONLY) = 3 [pid 5874] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5874] exit_group(0) = ? [pid 5874] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(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=0x5555642bd650) = 5875 ./strace-static-x86_64: Process 5875 attached [pid 5875] set_robust_list(0x5555642bd660, 24) = 0 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5875] setpgid(0, 0) = 0 [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "1000", 4) = 4 [pid 5875] close(3) = 0 executing program [pid 5875] write(1, "executing program\n", 18) = 18 [pid 5875] memfd_create("syzkaller", 0) = 3 [pid 5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5875] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5875] munmap(0x7fc185a00000, 138412032) = 0 [pid 5875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5875] close(3) = 0 [pid 5875] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5875] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5875] open("./bus", O_RDONLY) = 3 [pid 5875] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5875] exit_group(0) = ? [pid 5875] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, 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 5876 attached , child_tidptr=0x5555642bd650) = 5876 [pid 5876] set_robust_list(0x5555642bd660, 24) = 0 [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5876] setpgid(0, 0) = 0 [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5876] write(3, "1000", 4) = 4 [pid 5876] close(3) = 0 executing program [pid 5876] write(1, "executing program\n", 18) = 18 [pid 5876] memfd_create("syzkaller", 0) = 3 [pid 5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5876] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5876] munmap(0x7fc185a00000, 138412032) = 0 [pid 5876] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5876] close(3) = 0 [pid 5876] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5876] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5876] open("./bus", O_RDONLY) = 3 [pid 5876] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5876] exit_group(0) = ? [pid 5876] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, 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 5877 attached , child_tidptr=0x5555642bd650) = 5877 [pid 5877] set_robust_list(0x5555642bd660, 24) = 0 [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5877] setpgid(0, 0) = 0 [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "1000", 4) = 4 [pid 5877] close(3) = 0 [pid 5877] write(1, "executing program\n", 18executing program ) = 18 [pid 5877] memfd_create("syzkaller", 0) = 3 [pid 5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5877] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5877] munmap(0x7fc185a00000, 138412032) = 0 [pid 5877] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5877] close(3) = 0 [pid 5877] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5877] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5877] open("./bus", O_RDONLY) = 3 [pid 5877] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5877] exit_group(0) = ? [pid 5877] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555642bd650) = 5878 ./strace-static-x86_64: Process 5878 attached [pid 5878] set_robust_list(0x5555642bd660, 24) = 0 [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5878] setpgid(0, 0) = 0 [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5878] write(3, "1000", 4) = 4 [pid 5878] close(3) = 0 executing program [pid 5878] write(1, "executing program\n", 18) = 18 [pid 5878] memfd_create("syzkaller", 0) = 3 [pid 5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5878] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5878] munmap(0x7fc185a00000, 138412032) = 0 [pid 5878] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5878] close(3) = 0 [pid 5878] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5878] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5878] open("./bus", O_RDONLY) = 3 [pid 5878] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5878] exit_group(0) = ? [pid 5878] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(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 5879 attached , child_tidptr=0x5555642bd650) = 5879 [pid 5879] set_robust_list(0x5555642bd660, 24) = 0 [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5879] setpgid(0, 0) = 0 [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5879] write(3, "1000", 4) = 4 [pid 5879] close(3) = 0 [pid 5879] write(1, "executing program\n", 18executing program ) = 18 [pid 5879] memfd_create("syzkaller", 0) = 3 [pid 5879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5879] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5879] munmap(0x7fc185a00000, 138412032) = 0 [pid 5879] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5879] close(3) = 0 [pid 5879] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5879] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5879] open("./bus", O_RDONLY) = 3 [pid 5879] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5879] exit_group(0) = ? [pid 5879] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(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 5880 attached , child_tidptr=0x5555642bd650) = 5880 [pid 5880] set_robust_list(0x5555642bd660, 24) = 0 [pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5880] setpgid(0, 0) = 0 [pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5880] write(3, "1000", 4) = 4 [pid 5880] close(3) = 0 [pid 5880] write(1, "executing program\n", 18executing program ) = 18 [pid 5880] memfd_create("syzkaller", 0) = 3 [pid 5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5880] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5880] munmap(0x7fc185a00000, 138412032) = 0 [pid 5880] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5880] close(3) = 0 [pid 5880] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5880] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5880] open("./bus", O_RDONLY) = 3 [pid 5880] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5880] exit_group(0) = ? [pid 5880] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(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 5881 attached , child_tidptr=0x5555642bd650) = 5881 [pid 5881] set_robust_list(0x5555642bd660, 24) = 0 [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5881] setpgid(0, 0) = 0 [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5881] write(3, "1000", 4) = 4 [pid 5881] close(3) = 0 executing program [pid 5881] write(1, "executing program\n", 18) = 18 [pid 5881] memfd_create("syzkaller", 0) = 3 [pid 5881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5881] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5881] munmap(0x7fc185a00000, 138412032) = 0 [pid 5881] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5881] close(3) = 0 [pid 5881] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5881] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5881] open("./bus", O_RDONLY) = 3 [pid 5881] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5881] exit_group(0) = ? [pid 5881] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5882 attached , child_tidptr=0x5555642bd650) = 5882 [pid 5882] set_robust_list(0x5555642bd660, 24) = 0 [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5882] setpgid(0, 0) = 0 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "1000", 4) = 4 [pid 5882] close(3) = 0 executing program [pid 5882] write(1, "executing program\n", 18) = 18 [pid 5882] memfd_create("syzkaller", 0) = 3 [pid 5882] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5882] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5882] munmap(0x7fc185a00000, 138412032) = 0 [pid 5882] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5882] close(3) = 0 [pid 5882] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5882] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5882] open("./bus", O_RDONLY) = 3 [pid 5882] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5882] exit_group(0) = ? [pid 5882] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5883 attached [pid 5883] set_robust_list(0x5555642bd660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x5555642bd650) = 5883 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5883] setpgid(0, 0) = 0 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5883] write(3, "1000", 4) = 4 [pid 5883] close(3) = 0 executing program [pid 5883] write(1, "executing program\n", 18) = 18 [pid 5883] memfd_create("syzkaller", 0) = 3 [pid 5883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5883] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5883] munmap(0x7fc185a00000, 138412032) = 0 [pid 5883] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5883] close(3) = 0 [pid 5883] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5883] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5883] open("./bus", O_RDONLY) = 3 [pid 5883] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5883] exit_group(0) = ? [pid 5883] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5884 attached , child_tidptr=0x5555642bd650) = 5884 [pid 5884] set_robust_list(0x5555642bd660, 24) = 0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5884] setpgid(0, 0) = 0 [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5884] write(3, "1000", 4) = 4 [pid 5884] close(3) = 0 executing program [pid 5884] write(1, "executing program\n", 18) = 18 [pid 5884] memfd_create("syzkaller", 0) = 3 [pid 5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5884] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5884] munmap(0x7fc185a00000, 138412032) = 0 [pid 5884] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5884] close(3) = 0 [pid 5884] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5884] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5884] open("./bus", O_RDONLY) = 3 [pid 5884] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5884] exit_group(0) = ? [pid 5884] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(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 5885 attached , child_tidptr=0x5555642bd650) = 5885 [pid 5885] set_robust_list(0x5555642bd660, 24) = 0 [pid 5885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5885] setpgid(0, 0) = 0 [pid 5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5885] write(3, "1000", 4) = 4 [pid 5885] close(3) = 0 executing program [pid 5885] write(1, "executing program\n", 18) = 18 [pid 5885] memfd_create("syzkaller", 0) = 3 [pid 5885] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5885] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5885] munmap(0x7fc185a00000, 138412032) = 0 [pid 5885] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5885] close(3) = 0 [pid 5885] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5885] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5885] open("./bus", O_RDONLY) = 3 [pid 5885] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5885] exit_group(0) = ? [pid 5885] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5886 attached , child_tidptr=0x5555642bd650) = 5886 [pid 5886] set_robust_list(0x5555642bd660, 24) = 0 [pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5886] setpgid(0, 0) = 0 [pid 5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5886] write(3, "1000", 4) = 4 [pid 5886] close(3) = 0 executing program [pid 5886] write(1, "executing program\n", 18) = 18 [pid 5886] memfd_create("syzkaller", 0) = 3 [pid 5886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5886] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5886] munmap(0x7fc185a00000, 138412032) = 0 [pid 5886] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5886] close(3) = 0 [pid 5886] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5886] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5886] open("./bus", O_RDONLY) = 3 [pid 5886] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5886] exit_group(0) = ? [pid 5886] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, 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 5887 attached , child_tidptr=0x5555642bd650) = 5887 [pid 5887] set_robust_list(0x5555642bd660, 24) = 0 [pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5887] setpgid(0, 0) = 0 [pid 5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5887] write(3, "1000", 4) = 4 [pid 5887] close(3) = 0 executing program [pid 5887] write(1, "executing program\n", 18) = 18 [pid 5887] memfd_create("syzkaller", 0) = 3 [pid 5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5887] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5887] munmap(0x7fc185a00000, 138412032) = 0 [pid 5887] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5887] close(3) = 0 [pid 5887] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5887] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5887] open("./bus", O_RDONLY) = 3 [pid 5887] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5887] exit_group(0) = ? [pid 5887] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5888 attached , child_tidptr=0x5555642bd650) = 5888 [pid 5888] set_robust_list(0x5555642bd660, 24) = 0 [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5888] setpgid(0, 0) = 0 [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5888] write(3, "1000", 4) = 4 [pid 5888] close(3) = 0 executing program [pid 5888] write(1, "executing program\n", 18) = 18 [pid 5888] memfd_create("syzkaller", 0) = 3 [pid 5888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5888] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5888] munmap(0x7fc185a00000, 138412032) = 0 [pid 5888] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5888] close(3) = 0 [pid 5888] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5888] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5888] open("./bus", O_RDONLY) = 3 [pid 5888] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5888] exit_group(0) = ? [pid 5888] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(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=0x5555642bd650) = 5889 ./strace-static-x86_64: Process 5889 attached [pid 5889] set_robust_list(0x5555642bd660, 24) = 0 [pid 5889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5889] setpgid(0, 0) = 0 [pid 5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5889] write(3, "1000", 4) = 4 [pid 5889] close(3) = 0 [pid 5889] write(1, "executing program\n", 18executing program ) = 18 [pid 5889] memfd_create("syzkaller", 0) = 3 [pid 5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5889] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5889] munmap(0x7fc185a00000, 138412032) = 0 [pid 5889] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5889] close(3) = 0 [pid 5889] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5889] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5889] open("./bus", O_RDONLY) = 3 [pid 5889] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5889] exit_group(0) = ? [pid 5889] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5890 attached , child_tidptr=0x5555642bd650) = 5890 [pid 5890] set_robust_list(0x5555642bd660, 24) = 0 [pid 5890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5890] setpgid(0, 0) = 0 [pid 5890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5890] write(3, "1000", 4) = 4 [pid 5890] close(3) = 0 [pid 5890] write(1, "executing program\n", 18executing program ) = 18 [pid 5890] memfd_create("syzkaller", 0) = 3 [pid 5890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5890] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5890] munmap(0x7fc185a00000, 138412032) = 0 [pid 5890] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5890] close(3) = 0 [pid 5890] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5890] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5890] open("./bus", O_RDONLY) = 3 [pid 5890] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5890] exit_group(0) = ? [pid 5890] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5890, 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=0x5555642bd650) = 5892 ./strace-static-x86_64: Process 5892 attached [pid 5892] set_robust_list(0x5555642bd660, 24) = 0 [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5892] setpgid(0, 0) = 0 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5892] write(3, "1000", 4) = 4 [pid 5892] close(3) = 0 executing program [pid 5892] write(1, "executing program\n", 18) = 18 [pid 5892] memfd_create("syzkaller", 0) = 3 [pid 5892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5892] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5892] munmap(0x7fc185a00000, 138412032) = 0 [pid 5892] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5892] close(3) = 0 [pid 5892] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5892] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5892] open("./bus", O_RDONLY) = 3 [pid 5892] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5892] exit_group(0) = ? [pid 5892] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5893 attached [pid 5893] set_robust_list(0x5555642bd660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x5555642bd650) = 5893 [pid 5893] <... set_robust_list resumed>) = 0 [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5893] setpgid(0, 0) = 0 [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5893] write(3, "1000", 4) = 4 [pid 5893] close(3) = 0 executing program [pid 5893] write(1, "executing program\n", 18) = 18 [pid 5893] memfd_create("syzkaller", 0) = 3 [pid 5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5893] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5893] munmap(0x7fc185a00000, 138412032) = 0 [pid 5893] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5893] close(3) = 0 [pid 5893] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5893] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5893] open("./bus", O_RDONLY) = 3 [pid 5893] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5893] exit_group(0) = ? [pid 5893] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5894 attached , child_tidptr=0x5555642bd650) = 5894 [pid 5894] set_robust_list(0x5555642bd660, 24) = 0 [pid 5894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5894] setpgid(0, 0) = 0 [pid 5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5894] write(3, "1000", 4) = 4 [pid 5894] close(3) = 0 [pid 5894] write(1, "executing program\n", 18executing program ) = 18 [pid 5894] memfd_create("syzkaller", 0) = 3 [pid 5894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5894] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5894] munmap(0x7fc185a00000, 138412032) = 0 [pid 5894] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5894] close(3) = 0 [pid 5894] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5894] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5894] open("./bus", O_RDONLY) = 3 [pid 5894] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5894] exit_group(0) = ? [pid 5894] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5895 attached , child_tidptr=0x5555642bd650) = 5895 [pid 5895] set_robust_list(0x5555642bd660, 24) = 0 [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5895] setpgid(0, 0) = 0 [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5895] write(3, "1000", 4) = 4 [pid 5895] close(3) = 0 executing program [pid 5895] write(1, "executing program\n", 18) = 18 [pid 5895] memfd_create("syzkaller", 0) = 3 [pid 5895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5895] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5895] munmap(0x7fc185a00000, 138412032) = 0 [pid 5895] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5895] close(3) = 0 [pid 5895] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5895] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5895] open("./bus", O_RDONLY) = 3 [pid 5895] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5895] exit_group(0) = ? [pid 5895] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5896 attached , child_tidptr=0x5555642bd650) = 5896 [pid 5896] set_robust_list(0x5555642bd660, 24) = 0 [pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5896] setpgid(0, 0) = 0 [pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5896] write(3, "1000", 4) = 4 executing program [pid 5896] close(3) = 0 [pid 5896] write(1, "executing program\n", 18) = 18 [pid 5896] memfd_create("syzkaller", 0) = 3 [pid 5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5896] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5896] munmap(0x7fc185a00000, 138412032) = 0 [pid 5896] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5896] close(3) = 0 [pid 5896] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5896] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5896] open("./bus", O_RDONLY) = 3 [pid 5896] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5896] exit_group(0) = ? [pid 5896] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5897 attached [pid 5897] set_robust_list(0x5555642bd660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x5555642bd650) = 5897 [pid 5897] <... set_robust_list resumed>) = 0 [pid 5897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5897] setpgid(0, 0) = 0 [pid 5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5897] write(3, "1000", 4) = 4 [pid 5897] close(3) = 0 executing program [pid 5897] write(1, "executing program\n", 18) = 18 [pid 5897] memfd_create("syzkaller", 0) = 3 [pid 5897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5897] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5897] munmap(0x7fc185a00000, 138412032) = 0 [pid 5897] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5897] close(3) = 0 [pid 5897] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5897] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5897] open("./bus", O_RDONLY) = 3 [pid 5897] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5897] exit_group(0) = ? [pid 5897] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5898 attached , child_tidptr=0x5555642bd650) = 5898 [pid 5898] set_robust_list(0x5555642bd660, 24) = 0 [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5898] setpgid(0, 0) = 0 [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5898] write(3, "1000", 4) = 4 [pid 5898] close(3) = 0 executing program [pid 5898] write(1, "executing program\n", 18) = 18 [pid 5898] memfd_create("syzkaller", 0) = 3 [pid 5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5898] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5898] munmap(0x7fc185a00000, 138412032) = 0 [pid 5898] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5898] close(3) = 0 [pid 5898] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5898] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5898] open("./bus", O_RDONLY) = 3 [pid 5898] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5898] exit_group(0) = ? [pid 5898] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(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 5899 attached , child_tidptr=0x5555642bd650) = 5899 [pid 5899] set_robust_list(0x5555642bd660, 24) = 0 [pid 5899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5899] setpgid(0, 0) = 0 [pid 5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5899] write(3, "1000", 4) = 4 [pid 5899] close(3) = 0 executing program [pid 5899] write(1, "executing program\n", 18) = 18 [pid 5899] memfd_create("syzkaller", 0) = 3 [pid 5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5899] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5899] munmap(0x7fc185a00000, 138412032) = 0 [pid 5899] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5899] close(3) = 0 [pid 5899] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5899] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5899] open("./bus", O_RDONLY) = 3 [pid 5899] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5899] exit_group(0) = ? [pid 5899] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5899, 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, child_tidptr=0x5555642bd650) = 5900 ./strace-static-x86_64: Process 5900 attached [pid 5900] set_robust_list(0x5555642bd660, 24) = 0 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5900] setpgid(0, 0) = 0 [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5900] write(3, "1000", 4) = 4 [pid 5900] close(3) = 0 executing program [pid 5900] write(1, "executing program\n", 18) = 18 [pid 5900] memfd_create("syzkaller", 0) = 3 [pid 5900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5900] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5900] munmap(0x7fc185a00000, 138412032) = 0 [pid 5900] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5900] close(3) = 0 [pid 5900] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5900] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5900] open("./bus", O_RDONLY) = 3 [pid 5900] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5900] exit_group(0) = ? [pid 5900] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5901 attached , child_tidptr=0x5555642bd650) = 5901 [pid 5901] set_robust_list(0x5555642bd660, 24) = 0 [pid 5901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5901] setpgid(0, 0) = 0 [pid 5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5901] write(3, "1000", 4) = 4 [pid 5901] close(3) = 0 executing program [pid 5901] write(1, "executing program\n", 18) = 18 [pid 5901] memfd_create("syzkaller", 0) = 3 [pid 5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5901] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5901] munmap(0x7fc185a00000, 138412032) = 0 [pid 5901] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5901] close(3) = 0 [pid 5901] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5901] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5901] open("./bus", O_RDONLY) = 3 [pid 5901] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5901] exit_group(0) = ? [pid 5901] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5902 attached , child_tidptr=0x5555642bd650) = 5902 [pid 5902] set_robust_list(0x5555642bd660, 24) = 0 [pid 5902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5902] setpgid(0, 0) = 0 [pid 5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5902] write(3, "1000", 4) = 4 [pid 5902] close(3) = 0 executing program [pid 5902] write(1, "executing program\n", 18) = 18 [pid 5902] memfd_create("syzkaller", 0) = 3 [pid 5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5902] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5902] munmap(0x7fc185a00000, 138412032) = 0 [pid 5902] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5902] close(3) = 0 [pid 5902] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5902] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5902] open("./bus", O_RDONLY) = 3 [pid 5902] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5902] exit_group(0) = ? [pid 5902] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(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 5903 attached , child_tidptr=0x5555642bd650) = 5903 [pid 5903] set_robust_list(0x5555642bd660, 24) = 0 [pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5903] setpgid(0, 0) = 0 [pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5903] write(3, "1000", 4) = 4 [pid 5903] close(3) = 0 [pid 5903] write(1, "executing program\n", 18executing program ) = 18 [pid 5903] memfd_create("syzkaller", 0) = 3 [pid 5903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5903] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5903] munmap(0x7fc185a00000, 138412032) = 0 [pid 5903] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5903] close(3) = 0 [pid 5903] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5903] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5903] open("./bus", O_RDONLY) = 3 [pid 5903] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5903] exit_group(0) = ? [pid 5903] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5904 attached , child_tidptr=0x5555642bd650) = 5904 [pid 5904] set_robust_list(0x5555642bd660, 24) = 0 [pid 5904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5904] setpgid(0, 0) = 0 [pid 5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5904] write(3, "1000", 4) = 4 [pid 5904] close(3) = 0 [pid 5904] write(1, "executing program\n", 18) = 18 [pid 5904] memfd_create("syzkaller", 0) = 3 [pid 5904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5904] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5904] munmap(0x7fc185a00000, 138412032) = 0 [pid 5904] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5904] close(3) = 0 [pid 5904] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5904] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5904] open("./bus", O_RDONLY) = 3 [pid 5904] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5904] exit_group(0) = ? [pid 5904] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(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 5905 attached , child_tidptr=0x5555642bd650) = 5905 [pid 5905] set_robust_list(0x5555642bd660, 24) = 0 [pid 5905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5905] setpgid(0, 0) = 0 [pid 5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5905] write(3, "1000", 4) = 4 [pid 5905] close(3) = 0 executing program [pid 5905] write(1, "executing program\n", 18) = 18 [pid 5905] memfd_create("syzkaller", 0) = 3 [pid 5905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5905] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5905] munmap(0x7fc185a00000, 138412032) = 0 [pid 5905] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5905] close(3) = 0 [pid 5905] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5905] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5905] open("./bus", O_RDONLY) = 3 [pid 5905] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5905] exit_group(0) = ? [pid 5905] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5906 attached , child_tidptr=0x5555642bd650) = 5906 [pid 5906] set_robust_list(0x5555642bd660, 24) = 0 [pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5906] setpgid(0, 0) = 0 [pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5906] write(3, "1000", 4) = 4 [pid 5906] close(3) = 0 executing program [pid 5906] write(1, "executing program\n", 18) = 18 [pid 5906] memfd_create("syzkaller", 0) = 3 [pid 5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5906] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5906] munmap(0x7fc185a00000, 138412032) = 0 [pid 5906] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5906] close(3) = 0 [pid 5906] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5906] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5906] open("./bus", O_RDONLY) = 3 [pid 5906] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5906] exit_group(0) = ? [pid 5906] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(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 5907 attached , child_tidptr=0x5555642bd650) = 5907 [pid 5907] set_robust_list(0x5555642bd660, 24) = 0 [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5907] setpgid(0, 0) = 0 [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5907] write(3, "1000", 4) = 4 [pid 5907] close(3) = 0 executing program [pid 5907] write(1, "executing program\n", 18) = 18 [pid 5907] memfd_create("syzkaller", 0) = 3 [pid 5907] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc185a00000 [pid 5907] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 [pid 5907] munmap(0x7fc185a00000, 138412032) = 0 [pid 5907] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5907] close(3) = 0 [pid 5907] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0421) = -1 EBUSY (Device or resource busy) [pid 5907] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC, NULL) = 0 [pid 5907] open("./bus", O_RDONLY) = 3 [pid 5907] ioctl(3, LOOP_SET_STATUS64, {lo_offset=0, lo_number=0, lo_flags=0, lo_file_name="\xef\x35\x9f\x41\x3b\xb9\x38\x52\xf7\xd6\xa4\xae\x6d\xdd\xfb\xd1\xce\x5d\x29\xc2\xee\x5e\x5c\xa9", ...}) = 0 [pid 5907] exit_group(0) = ? [pid 5907] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(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 5908 attached , child_tidptr=0x5555642bd650) = 5908