./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1013899399 <...> [ 91.974768][ T980] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.57' (ED25519) to the list of known hosts. execve("./syz-executor1013899399", ["./syz-executor1013899399"], 0x7ffda3c89bc0 /* 10 vars */) = 0 brk(NULL) = 0x555565dae000 brk(0x555565daed00) = 0x555565daed00 arch_prctl(ARCH_SET_FS, 0x555565dae380) = 0 set_tid_address(0x555565dae650) = 5834 set_robust_list(0x555565dae660, 24) = 0 rseq(0x555565daeca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1013899399", 4096) = 28 getrandom("\x60\x30\x30\xf8\xef\x68\x96\x19", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555565daed00 brk(0x555565dcfd00) = 0x555565dcfd00 brk(0x555565dd0000) = 0x555565dd0000 mprotect(0x7f1fe29e2000, 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 5835 attached [pid 5835] set_robust_list(0x555565dae660, 24 [pid 5834] <... clone resumed>, child_tidptr=0x555565dae650) = 5835 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5835] setpgid(0, 0) = 0 [pid 5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5835] write(3, "1000", 4) = 4 [pid 5835] close(3executing program ) = 0 [pid 5835] write(1, "executing program\n", 18) = 18 [pid 5835] memfd_create("syzkaller", 0) = 3 [pid 5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5835] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5835] munmap(0x7f1fda400000, 138412032) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5835] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5835] close(3) = 0 [pid 5835] close(4) = 0 [pid 5835] mkdir("./file0", 0777) = 0 [ 94.176660][ T5835] loop0: detected capacity change from 0 to 32768 [ 94.212362][ T5835] (syz-executor101,5835,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 94.227967][ T5835] (syz-executor101,5835,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 94.261219][ T5835] JBD2: Ignoring recovery information on journal [pid 5835] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "journal_async_commit,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0 [pid 5835] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5835] chdir("./file0") = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5835] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 4 [pid 5835] pwritev2(4, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [ 94.293669][ T5835] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 94.360510][ T5835] [ 94.362888][ T5835] ====================================================== [ 94.369922][ T5835] WARNING: possible circular locking dependency detected [ 94.376972][ T5835] 6.15.0-syzkaller-13743-g8630c59e9936 #0 Not tainted [ 94.383751][ T5835] ------------------------------------------------------ [ 94.390865][ T5835] syz-executor101/5835 is trying to acquire lock: [ 94.397344][ T5835] ffff88807f9f6a20 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 94.408026][ T5835] [ 94.408026][ T5835] but task is already holding lock: [ 94.415407][ T5835] ffff88807f9f6ab8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320 [ 94.426062][ T5835] [ 94.426062][ T5835] which lock already depends on the new lock. [ 94.426062][ T5835] [ 94.436471][ T5835] [ 94.436471][ T5835] the existing dependency chain (in reverse order) is: [ 94.445512][ T5835] [ 94.445512][ T5835] -> #4 (&oi->ip_xattr_sem){++++}-{4:4}: [ 94.453360][ T5835] lock_acquire+0x120/0x360 [ 94.458419][ T5835] down_read+0x46/0x2e0 [ 94.463133][ T5835] ocfs2_init_acl+0x2f9/0x720 [ 94.468362][ T5835] ocfs2_mknod+0x1321/0x2050 [ 94.473510][ T5835] ocfs2_create+0x1a5/0x440 [ 94.478553][ T5835] path_openat+0x14f1/0x3830 [ 94.483681][ T5835] do_filp_open+0x1fa/0x410 [ 94.488717][ T5835] do_sys_openat2+0x121/0x1c0 [ 94.493920][ T5835] __x64_sys_openat+0x138/0x170 [ 94.499301][ T5835] do_syscall_64+0xfa/0x3b0 [ 94.504338][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.510761][ T5835] [ 94.510761][ T5835] -> #3 (jbd2_handle){.+.+}-{0:0}: [ 94.518081][ T5835] lock_acquire+0x120/0x360 [ 94.523121][ T5835] start_this_handle+0x1fa7/0x21c0 [ 94.528759][ T5835] jbd2__journal_start+0x2c1/0x5b0 [ 94.534403][ T5835] jbd2_journal_start+0x2a/0x40 [ 94.539791][ T5835] ocfs2_start_trans+0x376/0x6d0 [ 94.545260][ T5835] ocfs2_modify_bh+0xe8/0x470 [ 94.550475][ T5835] ocfs2_local_read_info+0x1465/0x17e0 [ 94.556469][ T5835] dquot_load_quota_sb+0x791/0xbd0 [ 94.562115][ T5835] dquot_load_quota_inode+0x2e1/0x5d0 [ 94.568045][ T5835] ocfs2_enable_quotas+0x1c6/0x450 [ 94.573708][ T5835] ocfs2_fill_super+0x5115/0x63d0 [ 94.579276][ T5835] get_tree_bdev_flags+0x40b/0x4d0 [ 94.584924][ T5835] vfs_get_tree+0x8f/0x2b0 [ 94.589892][ T5835] do_new_mount+0x24a/0xa40 [ 94.594953][ T5835] __se_sys_mount+0x317/0x410 [ 94.600185][ T5835] do_syscall_64+0xfa/0x3b0 [ 94.605224][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.611653][ T5835] [ 94.611653][ T5835] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 94.620196][ T5835] lock_acquire+0x120/0x360 [ 94.625237][ T5835] down_read+0x46/0x2e0 [ 94.629942][ T5835] ocfs2_start_trans+0x36a/0x6d0 [ 94.635410][ T5835] ocfs2_modify_bh+0xe8/0x470 [ 94.640623][ T5835] ocfs2_local_read_info+0x1465/0x17e0 [ 94.646624][ T5835] dquot_load_quota_sb+0x791/0xbd0 [ 94.652272][ T5835] dquot_load_quota_inode+0x2e1/0x5d0 [ 94.658182][ T5835] ocfs2_enable_quotas+0x1c6/0x450 [ 94.663831][ T5835] ocfs2_fill_super+0x5115/0x63d0 [ 94.669392][ T5835] get_tree_bdev_flags+0x40b/0x4d0 [ 94.675040][ T5835] vfs_get_tree+0x8f/0x2b0 [ 94.679992][ T5835] do_new_mount+0x24a/0xa40 [ 94.685035][ T5835] __se_sys_mount+0x317/0x410 [ 94.690248][ T5835] do_syscall_64+0xfa/0x3b0 [ 94.695279][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.701706][ T5835] [ 94.701706][ T5835] -> #1 (sb_internal#2){.+.+}-{0:0}: [ 94.709203][ T5835] lock_acquire+0x120/0x360 [ 94.714244][ T5835] ocfs2_start_trans+0x26b/0x6d0 [ 94.719716][ T5835] ocfs2_truncate_file+0x643/0x1420 [ 94.725454][ T5835] ocfs2_setattr+0x1520/0x1b40 [ 94.730766][ T5835] notify_change+0xb33/0xe40 [ 94.737548][ T5835] do_truncate+0x1a4/0x220 [ 94.742500][ T5835] path_openat+0x306c/0x3830 [ 94.747625][ T5835] do_filp_open+0x1fa/0x410 [ 94.752660][ T5835] do_sys_openat2+0x121/0x1c0 [ 94.757869][ T5835] __x64_sys_creat+0x8f/0xc0 [ 94.762988][ T5835] do_syscall_64+0xfa/0x3b0 [ 94.768021][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.774447][ T5835] [ 94.774447][ T5835] -> #0 (&oi->ip_alloc_sem){+.+.}-{4:4}: [ 94.782336][ T5835] validate_chain+0xb9b/0x2140 [ 94.787644][ T5835] __lock_acquire+0xab9/0xd20 [ 94.792870][ T5835] lock_acquire+0x120/0x360 [ 94.797907][ T5835] down_write+0x96/0x1f0 [ 94.802683][ T5835] ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 94.809208][ T5835] ocfs2_truncate_file+0xda0/0x1420 [ 94.814944][ T5835] ocfs2_setattr+0x1520/0x1b40 [ 94.820246][ T5835] notify_change+0xb33/0xe40 [ 94.825393][ T5835] do_truncate+0x1a4/0x220 [ 94.830352][ T5835] path_openat+0x306c/0x3830 [ 94.835472][ T5835] do_filp_open+0x1fa/0x410 [ 94.840579][ T5835] do_sys_openat2+0x121/0x1c0 [ 94.845785][ T5835] __x64_sys_creat+0x8f/0xc0 [ 94.850934][ T5835] do_syscall_64+0xfa/0x3b0 [ 94.855975][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.862396][ T5835] [ 94.862396][ T5835] other info that might help us debug this: [ 94.862396][ T5835] [ 94.872635][ T5835] Chain exists of: [ 94.872635][ T5835] &oi->ip_alloc_sem --> jbd2_handle --> &oi->ip_xattr_sem [ 94.872635][ T5835] [ 94.885694][ T5835] Possible unsafe locking scenario: [ 94.885694][ T5835] [ 94.893250][ T5835] CPU0 CPU1 [ 94.898629][ T5835] ---- ---- [ 94.904004][ T5835] lock(&oi->ip_xattr_sem); [ 94.908614][ T5835] lock(jbd2_handle); [ 94.915213][ T5835] lock(&oi->ip_xattr_sem); [ 94.922341][ T5835] lock(&oi->ip_alloc_sem); [ 94.926949][ T5835] [ 94.926949][ T5835] *** DEADLOCK *** [ 94.926949][ T5835] [ 94.935109][ T5835] 3 locks held by syz-executor101/5835: [ 94.940659][ T5835] #0: ffff88807b5f8428 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 94.949831][ T5835] #1: ffff88807f9f6d80 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: do_truncate+0x171/0x220 [ 94.960234][ T5835] #2: ffff88807f9f6ab8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320 [ 94.971322][ T5835] [ 94.971322][ T5835] stack backtrace: [ 94.977348][ T5835] CPU: 1 UID: 0 PID: 5835 Comm: syz-executor101 Not tainted 6.15.0-syzkaller-13743-g8630c59e9936 #0 PREEMPT(full) [ 94.977371][ T5835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 94.977385][ T5835] Call Trace: [ 94.977399][ T5835] [ 94.977408][ T5835] dump_stack_lvl+0x189/0x250 [ 94.977440][ T5835] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.977467][ T5835] ? __pfx__printk+0x10/0x10 [ 94.977485][ T5835] ? print_lock_name+0xde/0x100 [ 94.977515][ T5835] print_circular_bug+0x2ee/0x310 [ 94.977534][ T5835] check_noncircular+0x134/0x160 [ 94.977565][ T5835] validate_chain+0xb9b/0x2140 [ 94.977601][ T5835] __lock_acquire+0xab9/0xd20 [ 94.977627][ T5835] ? ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 94.977654][ T5835] lock_acquire+0x120/0x360 [ 94.977681][ T5835] ? ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 94.977713][ T5835] down_write+0x96/0x1f0 [ 94.977732][ T5835] ? ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 94.977775][ T5835] ? __pfx_down_write+0x10/0x10 [ 94.977797][ T5835] ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 94.977825][ T5835] ? __pfx_ocfs2_try_remove_refcount_tree+0x10/0x10 [ 94.977852][ T5835] ? up_write+0x1c4/0x420 [ 94.977870][ T5835] ocfs2_truncate_file+0xda0/0x1420 [ 94.977895][ T5835] ? __pfx_ocfs2_truncate_file+0x10/0x10 [ 94.977915][ T5835] ? do_raw_spin_unlock+0x122/0x240 [ 94.977940][ T5835] ? _raw_spin_unlock+0x28/0x50 [ 94.977962][ T5835] ? ocfs2_inode_lock_tracker+0x3ec/0x660 [ 94.977990][ T5835] ? __pfx_ocfs2_inode_lock_tracker+0x10/0x10 [ 94.978014][ T5835] ? ocfs2_rw_lock+0x13a/0x240 [ 94.978035][ T5835] ? __pfx___dquot_initialize+0x10/0x10 [ 94.978059][ T5835] ? __pfx_ocfs2_rw_lock+0x10/0x10 [ 94.978080][ T5835] ? setattr_prepare+0x1e7/0xac0 [ 94.978100][ T5835] ? jbd2_journal_begin_ordered_truncate+0xbb/0x150 [ 94.978123][ T5835] ocfs2_setattr+0x1520/0x1b40 [ 94.978148][ T5835] ? __pfx_ocfs2_setattr+0x10/0x10 [ 94.978170][ T5835] ? smk_tskacc+0x2fc/0x370 [ 94.978189][ T5835] ? smack_inode_setattr+0x17b/0x200 [ 94.978207][ T5835] ? __pfx_smack_inode_setattr+0x10/0x10 [ 94.978228][ T5835] ? current_time+0x222/0x370 [ 94.978242][ T5835] ? evm_inode_setattr+0x1b6/0x7d0 [ 94.978267][ T5835] ? __pfx_current_time+0x10/0x10 [ 94.978283][ T5835] ? try_break_deleg+0x79/0x130 [ 94.978301][ T5835] ? __pfx_ocfs2_setattr+0x10/0x10 [ 94.978321][ T5835] notify_change+0xb33/0xe40 [ 94.978344][ T5835] do_truncate+0x1a4/0x220 [ 94.978366][ T5835] ? __pfx_do_truncate+0x10/0x10 [ 94.978394][ T5835] path_openat+0x306c/0x3830 [ 94.978413][ T5835] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 94.978449][ T5835] ? __pfx_path_openat+0x10/0x10 [ 94.978465][ T5835] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.978490][ T5835] do_filp_open+0x1fa/0x410 [ 94.978509][ T5835] ? __lock_acquire+0xab9/0xd20 [ 94.978531][ T5835] ? __pfx_do_filp_open+0x10/0x10 [ 94.978557][ T5835] ? _raw_spin_unlock+0x28/0x50 [ 94.978580][ T5835] ? alloc_fd+0x64c/0x6c0 [ 94.978606][ T5835] do_sys_openat2+0x121/0x1c0 [ 94.978622][ T5835] ? __pfx_do_sys_openat2+0x10/0x10 [ 94.978640][ T5835] ? rcu_is_watching+0x15/0xb0 [ 94.978667][ T5835] __x64_sys_creat+0x8f/0xc0 [ 94.978685][ T5835] do_syscall_64+0xfa/0x3b0 [ 94.978700][ T5835] ? lockdep_hardirqs_on+0x9c/0x150 [ 94.978726][ T5835] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.978747][ T5835] ? clear_bhb_loop+0x60/0xb0 [ 94.978766][ T5835] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.978783][ T5835] RIP: 0033:0x7f1fe296ab99 [ 94.978804][ T5835] 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 [ 94.978822][ T5835] RSP: 002b:00007ffef4131b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 94.978841][ T5835] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1fe296ab99 [ 94.978853][ T5835] RDX: 00007f1fe296ab99 RSI: 0000000000000000 RDI: 0000200000000200 [pid 5835] creat("./file1", 000) = 5 [pid 5835] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5835] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5835] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [pid 5835] exit_group(0) = ? [pid 5835] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5835, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=27 /* 0.27 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 5838 attached , child_tidptr=0x555565dae650) = 5838 [pid 5838] set_robust_list(0x555565dae660, 24) = 0 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5838] setpgid(0, 0) = 0 [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1000", 4) = 4 [pid 5838] close(3) = 0 [pid 5838] write(1, "executing program\n", 18executing program ) = 18 [pid 5838] memfd_create("syzkaller", 0) = 3 [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [ 94.978864][ T5835] RBP: 00007f1fe29e25f0 R08: 0000000000000012 R09: 0000000000000012 [ 94.978875][ T5835] R10: 000000000000008f R11: 0000000000000246 R12: 00007ffef4131b90 [ 94.978885][ T5835] R13: 00007ffef4131db8 R14: 431bde82d7b634db R15: 00007f1fe29b303b [ 94.978904][ T5835] [pid 5838] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5838] munmap(0x7f1fda400000, 138412032) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5838] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5838] creat("./file1", 000) = 4 [pid 5838] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5838] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5838] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [pid 5838] exit_group(0) = ? [pid 5838] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 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 5839 attached , child_tidptr=0x555565dae650) = 5839 [pid 5839] set_robust_list(0x555565dae660, 24) = 0 [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5839] setpgid(0, 0) = 0 [pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1000", 4) = 4 [pid 5839] close(3) = 0 executing program [pid 5839] write(1, "executing program\n", 18) = 18 [pid 5839] memfd_create("syzkaller", 0) = 3 [pid 5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5839] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5839] munmap(0x7f1fda400000, 138412032) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5839] close(3) = 0 [pid 5839] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5839] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5839] creat("./file1", 000) = 4 [pid 5839] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5839] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5839] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [pid 5839] exit_group(0) = ? [pid 5839] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 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 5840 attached , child_tidptr=0x555565dae650) = 5840 [pid 5840] set_robust_list(0x555565dae660, 24) = 0 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5840] setpgid(0, 0) = 0 [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1000", 4) = 4 [pid 5840] close(3) = 0 executing program [pid 5840] write(1, "executing program\n", 18) = 18 [pid 5840] memfd_create("syzkaller", 0) = 3 [pid 5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5840] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5840] munmap(0x7f1fda400000, 138412032) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5840] close(3) = 0 [pid 5840] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5840] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5840] creat("./file1", 000) = 4 [pid 5840] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5840] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5840] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [pid 5840] exit_group(0) = ? [pid 5840] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 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 5841 attached , child_tidptr=0x555565dae650) = 5841 [pid 5841] set_robust_list(0x555565dae660, 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(3executing program ) = 0 [pid 5841] write(1, "executing program\n", 18) = 18 [pid 5841] memfd_create("syzkaller", 0) = 3 [pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5841] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5841] munmap(0x7f1fda400000, 138412032) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5841] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5841] creat("./file1", 000) = 4 [pid 5841] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5841] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5841] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [pid 5841] exit_group(0) = ? [pid 5841] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 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 5842 attached , child_tidptr=0x555565dae650) = 5842 [pid 5842] set_robust_list(0x555565dae660, 24) = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] setpgid(0, 0) = 0 [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1000", 4) = 4 [pid 5842] close(3) = 0 executing program [pid 5842] write(1, "executing program\n", 18) = 18 [pid 5842] memfd_create("syzkaller", 0) = 3 [pid 5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5842] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5842] munmap(0x7f1fda400000, 138412032) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5842] close(3) = 0 [pid 5842] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5842] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5842] creat("./file1", 000) = 4 [pid 5842] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5842] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5842] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [pid 5842] exit_group(0) = ? [pid 5842] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 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 5843 attached , child_tidptr=0x555565dae650) = 5843 [pid 5843] set_robust_list(0x555565dae660, 24) = 0 [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5843] setpgid(0, 0) = 0 [pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] write(3, "1000", 4) = 4 [pid 5843] close(3) = 0 executing program [pid 5843] write(1, "executing program\n", 18) = 18 [pid 5843] memfd_create("syzkaller", 0) = 3 [pid 5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5843] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5843] munmap(0x7f1fda400000, 138412032) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5843] close(3) = 0 [pid 5843] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5843] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5843] creat("./file1", 000) = 4 [pid 5843] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5843] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5843] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [pid 5843] exit_group(0) = ? [pid 5843] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 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 5844 attached , child_tidptr=0x555565dae650) = 5844 [pid 5844] set_robust_list(0x555565dae660, 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 [pid 5844] write(1, "executing program\n", 18executing program ) = 18 [pid 5844] memfd_create("syzkaller", 0) = 3 [pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5844] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5844] munmap(0x7f1fda400000, 138412032) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5844] close(3) = 0 [pid 5844] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5844] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5844] creat("./file1", 000) = 4 [pid 5844] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5844] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5844] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=1 /* 0.01 s */, si_stime=14 /* 0.14 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=0x555565dae650) = 5845 ./strace-static-x86_64: Process 5845 attached [pid 5845] set_robust_list(0x555565dae660, 24) = 0 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5845] setpgid(0, 0) = 0 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "1000", 4) = 4 [pid 5845] close(3) = 0 [pid 5845] write(1, "executing program\n", 18executing program ) = 18 [pid 5845] memfd_create("syzkaller", 0) = 3 [pid 5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5845] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5845] munmap(0x7f1fda400000, 138412032) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5845] close(3) = 0 [pid 5845] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5845] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5845] creat("./file1", 000) = 4 [pid 5845] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5845] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5845] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [pid 5845] exit_group(0) = ? [pid 5845] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 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 5846 attached , child_tidptr=0x555565dae650) = 5846 [pid 5846] set_robust_list(0x555565dae660, 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) = 0x7f1fda400000 [pid 5846] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5846] munmap(0x7f1fda400000, 138412032) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] close(3) = 0 [pid 5846] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5846] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5846] creat("./file1", 000) = 4 [pid 5846] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5846] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5846] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=2 /* 0.02 s */, si_stime=14 /* 0.14 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=0x555565dae650) = 5847 ./strace-static-x86_64: Process 5847 attached [pid 5847] set_robust_list(0x555565dae660, 24) = 0 [pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5847] setpgid(0, 0) = 0 [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 executing program [pid 5847] write(1, "executing program\n", 18) = 18 [pid 5847] memfd_create("syzkaller", 0) = 3 [pid 5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5847] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5847] munmap(0x7f1fda400000, 138412032) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5847] close(3) = 0 [pid 5847] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5847] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5847] creat("./file1", 000) = 4 [pid 5847] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5847] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5847] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=1 /* 0.01 s */, si_stime=13 /* 0.13 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 5848 attached , child_tidptr=0x555565dae650) = 5848 [pid 5848] set_robust_list(0x555565dae660, 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) = 0x7f1fda400000 [pid 5848] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5848] munmap(0x7f1fda400000, 138412032) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5848] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5848] creat("./file1", 000) = 4 [pid 5848] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5848] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5848] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=3 /* 0.03 s */, si_stime=12 /* 0.12 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 5850 attached , child_tidptr=0x555565dae650) = 5850 [pid 5850] set_robust_list(0x555565dae660, 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(3) = 0 executing program [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) = 0x7f1fda400000 [pid 5850] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5850] munmap(0x7f1fda400000, 138412032) = 0 [pid 5850] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5850] close(3) = 0 [pid 5850] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5850] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5850] creat("./file1", 000) = 4 [pid 5850] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5850] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5850] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=3 /* 0.03 s */, si_stime=10 /* 0.10 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 5851 attached , child_tidptr=0x555565dae650) = 5851 [pid 5851] set_robust_list(0x555565dae660, 24) = 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 executing program [pid 5851] write(1, "executing program\n", 18) = 18 [pid 5851] memfd_create("syzkaller", 0) = 3 [pid 5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5851] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5851] munmap(0x7f1fda400000, 138412032) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5851] close(3) = 0 [pid 5851] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5851] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5851] creat("./file1", 000) = 4 [pid 5851] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5851] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5851] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=3 /* 0.03 s */, si_stime=12 /* 0.12 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=0x555565dae650) = 5852 [pid 5852] set_robust_list(0x555565dae660, 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 [pid 5852] write(1, "executing program\n", 18executing program ) = 18 [pid 5852] memfd_create("syzkaller", 0) = 3 [pid 5852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5852] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5852] munmap(0x7f1fda400000, 138412032) = 0 [pid 5852] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5852] close(3) = 0 [pid 5852] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5852] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5852] creat("./file1", 000) = 4 [pid 5852] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5852] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5852] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=1 /* 0.01 s */, si_stime=14 /* 0.14 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 5853 attached , child_tidptr=0x555565dae650) = 5853 [pid 5853] set_robust_list(0x555565dae660, 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 [pid 5853] write(1, "executing program\n", 18executing program ) = 18 [pid 5853] memfd_create("syzkaller", 0) = 3 [pid 5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5853] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5853] munmap(0x7f1fda400000, 138412032) = 0 [pid 5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5853] close(3) = 0 [pid 5853] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5853] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5853] creat("./file1", 000) = 4 [pid 5853] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5853] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5853] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=2 /* 0.02 s */, si_stime=12 /* 0.12 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 5854 attached , child_tidptr=0x555565dae650) = 5854 [pid 5854] set_robust_list(0x555565dae660, 24) = 0 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5854] setpgid(0, 0) = 0 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5854] write(3, "1000", 4) = 4 [pid 5854] close(3) = 0 [pid 5854] write(1, "executing program\n", 18executing program ) = 18 [pid 5854] memfd_create("syzkaller", 0) = 3 [pid 5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5854] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5854] munmap(0x7f1fda400000, 138412032) = 0 [pid 5854] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5854] close(3) = 0 [pid 5854] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5854] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5854] creat("./file1", 000) = 4 [pid 5854] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5854] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5854] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [pid 5854] exit_group(0) = ? [pid 5854] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 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 5855 attached , child_tidptr=0x555565dae650) = 5855 [pid 5855] set_robust_list(0x555565dae660, 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 executing program [pid 5855] write(1, "executing program\n", 18) = 18 [pid 5855] memfd_create("syzkaller", 0) = 3 [pid 5855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5855] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5855] munmap(0x7f1fda400000, 138412032) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5855] close(3) = 0 [pid 5855] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5855] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5855] creat("./file1", 000) = 4 [pid 5855] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5855] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5855] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=1 /* 0.01 s */, si_stime=13 /* 0.13 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 5856 attached , child_tidptr=0x555565dae650) = 5856 [pid 5856] set_robust_list(0x555565dae660, 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) = 0x7f1fda400000 [pid 5856] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5856] munmap(0x7f1fda400000, 138412032) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5856] close(3) = 0 [pid 5856] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5856] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5856] creat("./file1", 000) = 4 [pid 5856] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5856] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5856] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=3 /* 0.03 s */, si_stime=12 /* 0.12 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 5857 attached , child_tidptr=0x555565dae650) = 5857 [pid 5857] set_robust_list(0x555565dae660, 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 [pid 5857] write(1, "executing program\n", 18executing program ) = 18 [pid 5857] memfd_create("syzkaller", 0) = 3 [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5857] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5857] munmap(0x7f1fda400000, 138412032) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5857] close(3) = 0 [pid 5857] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5857] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5857] creat("./file1", 000) = 4 [pid 5857] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5857] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5857] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=1 /* 0.01 s */, si_stime=13 /* 0.13 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 5858 attached , child_tidptr=0x555565dae650) = 5858 [pid 5858] set_robust_list(0x555565dae660, 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) = 0x7f1fda400000 [pid 5858] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5858] munmap(0x7f1fda400000, 138412032) = 0 [pid 5858] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5858] close(3) = 0 [pid 5858] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5858] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5858] creat("./file1", 000) = 4 [pid 5858] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5858] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5858] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=15 /* 0.15 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 5860 attached , child_tidptr=0x555565dae650) = 5860 [pid 5860] set_robust_list(0x555565dae660, 24) = 0 [pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5860] setpgid(0, 0) = 0 [pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5860] write(3, "1000", 4) = 4 [pid 5860] close(3executing program ) = 0 [pid 5860] write(1, "executing program\n", 18) = 18 [pid 5860] memfd_create("syzkaller", 0) = 3 [pid 5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5860] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5860] munmap(0x7f1fda400000, 138412032) = 0 [pid 5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5860] close(3) = 0 [pid 5860] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5860] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5860] creat("./file1", 000) = 4 [pid 5860] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5860] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5860] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [pid 5860] exit_group(0) = ? [pid 5860] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 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 5861 attached , child_tidptr=0x555565dae650) = 5861 [pid 5861] set_robust_list(0x555565dae660, 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 [pid 5861] write(1, "executing program\n", 18executing program ) = 18 [pid 5861] memfd_create("syzkaller", 0) = 3 [pid 5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5861] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5861] munmap(0x7f1fda400000, 138412032) = 0 [pid 5861] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5861] close(3) = 0 [pid 5861] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5861] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5861] creat("./file1", 000) = 4 [pid 5861] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5861] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5861] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=2 /* 0.02 s */, si_stime=12 /* 0.12 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 5862 attached , child_tidptr=0x555565dae650) = 5862 [pid 5862] set_robust_list(0x555565dae660, 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 [pid 5862] write(1, "executing program\n", 18executing program ) = 18 [pid 5862] memfd_create("syzkaller", 0) = 3 [pid 5862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5862] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5862] munmap(0x7f1fda400000, 138412032) = 0 [pid 5862] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5862] close(3) = 0 [pid 5862] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5862] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5862] creat("./file1", 000) = 4 [pid 5862] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5862] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5862] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=15 /* 0.15 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=0x555565dae650) = 5863 ./strace-static-x86_64: Process 5863 attached [pid 5863] set_robust_list(0x555565dae660, 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) = 0x7f1fda400000 [pid 5863] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5863] munmap(0x7f1fda400000, 138412032) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5863] close(3) = 0 [pid 5863] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5863] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5863] creat("./file1", 000) = 4 [pid 5863] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5863] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5863] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=3 /* 0.03 s */, si_stime=11 /* 0.11 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5864 attached , child_tidptr=0x555565dae650) = 5864 [pid 5864] set_robust_list(0x555565dae660, 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) = 0x7f1fda400000 [pid 5864] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5864] munmap(0x7f1fda400000, 138412032) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5864] close(3) = 0 [pid 5864] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5864] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5864] creat("./file1", 000) = 4 [pid 5864] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5864] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5864] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=2 /* 0.02 s */, si_stime=13 /* 0.13 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 5865 attached , child_tidptr=0x555565dae650) = 5865 [pid 5865] set_robust_list(0x555565dae660, 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(3) = 0 executing program [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) = 0x7f1fda400000 [pid 5865] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5865] munmap(0x7f1fda400000, 138412032) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5865] close(3) = 0 [pid 5865] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5865] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5865] creat("./file1", 000) = 4 [pid 5865] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5865] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5865] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=1 /* 0.01 s */, si_stime=13 /* 0.13 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 5866 attached , child_tidptr=0x555565dae650) = 5866 [pid 5866] set_robust_list(0x555565dae660, 24) = 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 [pid 5866] write(1, "executing program\n", 18executing program ) = 18 [pid 5866] memfd_create("syzkaller", 0) = 3 [pid 5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1fda400000 [pid 5866] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5866] munmap(0x7f1fda400000, 138412032) = 0 [pid 5866] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5866] close(3) = 0 [pid 5866] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0400) = 3 [pid 5866] pwritev2(3, NULL, 0, 2, RWF_DSYNC|RWF_APPEND) = 0 [pid 5866] creat("./file1", 000) = 4 [pid 5866] renameat2(AT_FDCWD, NULL, AT_FDCWD, NULL, 0) = -1 EFAULT (Bad address) [pid 5866] openat(AT_FDCWD, NULL, O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOFOLLOW|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address) [pid 5866] pwritev2(-1, NULL, 0, 21522, 0) = -1 EBADF (Bad file descriptor) [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=1 /* 0.01 s */, si_stime=12 /* 0.12 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 5867 attached , child_tidptr=0x555565dae650) = 5867 [pid 5867] set_robust_list(0x555565dae660, 24) = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0