./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2215650955 <...> Warning: Permanently added '10.128.1.190' (ED25519) to the list of known hosts. execve("./syz-executor2215650955", ["./syz-executor2215650955"], 0x7ffe5bb21b30 /* 10 vars */) = 0 brk(NULL) = 0x55558a6b8000 brk(0x55558a6b8d00) = 0x55558a6b8d00 arch_prctl(ARCH_SET_FS, 0x55558a6b8380) = 0 set_tid_address(0x55558a6b8650) = 5826 set_robust_list(0x55558a6b8660, 24) = 0 rseq(0x55558a6b8ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2215650955", 4096) = 28 getrandom("\x6d\x27\x31\x53\xbd\x71\x7d\xd9", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558a6b8d00 brk(0x55558a6d9d00) = 0x55558a6d9d00 brk(0x55558a6da000) = 0x55558a6da000 mprotect(0x7feb0e817000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5828 attached [pid 5828] set_robust_list(0x55558a6b8660, 24 [pid 5826] <... clone resumed>, child_tidptr=0x55558a6b8650) = 5828 [pid 5828] <... set_robust_list resumed>) = 0 [pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5828] setpgid(0, 0) = 0 [pid 5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5828] write(3, "1000", 4) = 4 [pid 5828] close(3) = 0 [pid 5828] write(1, "executing program\n", 18executing program ) = 18 [pid 5828] memfd_create("syzkaller", 0) = 3 [pid 5828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feb06200000 [pid 5828] 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 5828] munmap(0x7feb06200000, 138412032) = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5828] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5828] close(3) = 0 [pid 5828] close(4) = 0 [pid 5828] mkdir("./file0", 0777) = 0 [ 72.934219][ T5828] loop0: detected capacity change from 0 to 32768 [ 72.985003][ T5828] (syz-executor221,5828,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 73.000534][ T5828] (syz-executor221,5828,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 73.025534][ T5828] JBD2: Ignoring recovery information on journal [pid 5828] mount("/dev/loop0", "./file0", "ocfs2", MS_NOSUID|MS_NOEXEC|MS_STRICTATIME, "journal_async_commit,heartbeat=none,localflocks,inode64,localalloc=18446744073709551610,noacl,") = 0 [pid 5828] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5828] chdir("./file0") = 0 [pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 73.050203][ T5828] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [pid 5828] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = 4 [pid 5828] truncate("./file1", 11) = 0 [ 73.115100][ T29] audit: type=1800 audit(1733186692.198:2): pid=5828 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor221" name="file1" dev="loop0" ino=16978 res=0 errno=0 [ 73.140337][ T5828] [ 73.142684][ T5828] ====================================================== [ 73.149701][ T5828] WARNING: possible circular locking dependency detected [ 73.156839][ T5828] 6.13.0-rc1-syzkaller-00001-ge70140ba0d2b #0 Not tainted [ 73.163944][ T5828] ------------------------------------------------------ [ 73.170949][ T5828] syz-executor221/5828 is trying to acquire lock: [ 73.177462][ T5828] ffff888077078660 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 73.188101][ T5828] [ 73.188101][ T5828] but task is already holding lock: [ 73.195552][ T5828] ffff8880770786f8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa5/0x330 [ 73.206239][ T5828] [ 73.206239][ T5828] which lock already depends on the new lock. [ 73.206239][ T5828] [ 73.216723][ T5828] [ 73.216723][ T5828] the existing dependency chain (in reverse order) is: [ 73.225738][ T5828] [ 73.225738][ T5828] -> #4 (&oi->ip_xattr_sem){++++}-{4:4}: [ 73.233620][ T5828] lock_acquire+0x1ed/0x550 [ 73.238646][ T5828] down_write+0x99/0x220 [ 73.243410][ T5828] ocfs2_xattr_set_handle+0x539/0xa10 [ 73.249292][ T5828] ocfs2_init_security_set+0xbd/0xd0 [ 73.255092][ T5828] ocfs2_mknod+0x1ccf/0x2b30 [ 73.260278][ T5828] ocfs2_create+0x1ab/0x470 [ 73.265287][ T5828] path_openat+0x1c03/0x3590 [ 73.270483][ T5828] do_filp_open+0x27f/0x4e0 [ 73.275498][ T5828] do_sys_openat2+0x13e/0x1d0 [ 73.280726][ T5828] __x64_sys_openat+0x247/0x2a0 [ 73.286178][ T5828] do_syscall_64+0xf3/0x230 [ 73.291277][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.297706][ T5828] [ 73.297706][ T5828] -> #3 (jbd2_handle){.+.+}-{0:0}: [ 73.305077][ T5828] lock_acquire+0x1ed/0x550 [ 73.310415][ T5828] start_this_handle+0x1eb4/0x2110 [ 73.316046][ T5828] jbd2__journal_start+0x2da/0x5d0 [ 73.321669][ T5828] jbd2_journal_start+0x29/0x40 [ 73.327031][ T5828] ocfs2_start_trans+0x3c9/0x700 [ 73.333089][ T5828] ocfs2_modify_bh+0xed/0x4d0 [ 73.338305][ T5828] ocfs2_local_read_info+0x158f/0x19f0 [ 73.344382][ T5828] dquot_load_quota_sb+0x762/0xbb0 [ 73.350103][ T5828] dquot_load_quota_inode+0x320/0x600 [ 73.355994][ T5828] ocfs2_enable_quotas+0x169/0x450 [ 73.361628][ T5828] ocfs2_fill_super+0x4ca1/0x5760 [ 73.367166][ T5828] mount_bdev+0x20a/0x2d0 [ 73.372004][ T5828] legacy_get_tree+0xee/0x190 [ 73.377186][ T5828] vfs_get_tree+0x90/0x2b0 [ 73.382114][ T5828] do_new_mount+0x2be/0xb40 [ 73.387121][ T5828] __se_sys_mount+0x2d6/0x3c0 [ 73.392304][ T5828] do_syscall_64+0xf3/0x230 [ 73.397319][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.403753][ T5828] [ 73.403753][ T5828] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 73.412351][ T5828] lock_acquire+0x1ed/0x550 [ 73.417378][ T5828] down_read+0xb1/0xa40 [ 73.422047][ T5828] ocfs2_start_trans+0x3be/0x700 [ 73.427493][ T5828] ocfs2_modify_bh+0xed/0x4d0 [ 73.432689][ T5828] ocfs2_local_read_info+0x158f/0x19f0 [ 73.438671][ T5828] dquot_load_quota_sb+0x762/0xbb0 [ 73.444299][ T5828] dquot_load_quota_inode+0x320/0x600 [ 73.450181][ T5828] ocfs2_enable_quotas+0x169/0x450 [ 73.455815][ T5828] ocfs2_fill_super+0x4ca1/0x5760 [ 73.461353][ T5828] mount_bdev+0x20a/0x2d0 [ 73.466196][ T5828] legacy_get_tree+0xee/0x190 [ 73.471465][ T5828] vfs_get_tree+0x90/0x2b0 [ 73.476399][ T5828] do_new_mount+0x2be/0xb40 [ 73.481502][ T5828] __se_sys_mount+0x2d6/0x3c0 [ 73.486774][ T5828] do_syscall_64+0xf3/0x230 [ 73.491847][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.498276][ T5828] [ 73.498276][ T5828] -> #1 (sb_internal#2){.+.+}-{0:0}: [ 73.505745][ T5828] lock_acquire+0x1ed/0x550 [ 73.510766][ T5828] ocfs2_start_trans+0x2b9/0x700 [ 73.516222][ T5828] ocfs2_setattr+0x9dd/0x1ef0 [ 73.521514][ T5828] notify_change+0xbca/0xe90 [ 73.526620][ T5828] do_truncate+0x220/0x310 [ 73.531547][ T5828] vfs_truncate+0x2e1/0x3b0 [ 73.536681][ T5828] do_sys_truncate+0xdb/0x190 [ 73.541918][ T5828] do_syscall_64+0xf3/0x230 [ 73.546941][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.553350][ T5828] [ 73.553350][ T5828] -> #0 (&oi->ip_alloc_sem){+.+.}-{4:4}: [ 73.561188][ T5828] validate_chain+0x18ef/0x5920 [ 73.566566][ T5828] __lock_acquire+0x1397/0x2100 [ 73.571938][ T5828] lock_acquire+0x1ed/0x550 [ 73.576958][ T5828] down_write+0x99/0x220 [ 73.581731][ T5828] ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 73.588223][ T5828] ocfs2_truncate_file+0xe1b/0x1560 [ 73.594024][ T5828] ocfs2_setattr+0x1890/0x1ef0 [ 73.599311][ T5828] notify_change+0xbca/0xe90 [ 73.604404][ T5828] do_truncate+0x220/0x310 [ 73.609333][ T5828] vfs_truncate+0x2e1/0x3b0 [ 73.614360][ T5828] do_sys_truncate+0xdb/0x190 [ 73.619547][ T5828] do_syscall_64+0xf3/0x230 [ 73.624558][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.631396][ T5828] [ 73.631396][ T5828] other info that might help us debug this: [ 73.631396][ T5828] [ 73.641616][ T5828] Chain exists of: [ 73.641616][ T5828] &oi->ip_alloc_sem --> jbd2_handle --> &oi->ip_xattr_sem [ 73.641616][ T5828] [ 73.654692][ T5828] Possible unsafe locking scenario: [ 73.654692][ T5828] [ 73.662229][ T5828] CPU0 CPU1 [ 73.668028][ T5828] ---- ---- [ 73.673388][ T5828] lock(&oi->ip_xattr_sem); [ 73.677980][ T5828] lock(jbd2_handle); [ 73.684577][ T5828] lock(&oi->ip_xattr_sem); [ 73.691688][ T5828] lock(&oi->ip_alloc_sem); [ 73.696327][ T5828] [ 73.696327][ T5828] *** DEADLOCK *** [ 73.696327][ T5828] [ 73.704618][ T5828] 3 locks held by syz-executor221/5828: [ 73.710157][ T5828] #0: ffff8880644e8420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 73.719302][ T5828] #1: ffff8880770789c0 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: do_truncate+0x20c/0x310 [ 73.729736][ T5828] #2: ffff8880770786f8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa5/0x330 [ 73.740786][ T5828] [ 73.740786][ T5828] stack backtrace: [ 73.746683][ T5828] CPU: 0 UID: 0 PID: 5828 Comm: syz-executor221 Not tainted 6.13.0-rc1-syzkaller-00001-ge70140ba0d2b #0 [ 73.757795][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 73.767880][ T5828] Call Trace: [ 73.771180][ T5828] [ 73.774100][ T5828] dump_stack_lvl+0x241/0x360 [ 73.779218][ T5828] ? __pfx_dump_stack_lvl+0x10/0x10 [ 73.784434][ T5828] ? __pfx__printk+0x10/0x10 [ 73.789032][ T5828] print_circular_bug+0x13a/0x1b0 [ 73.794074][ T5828] check_noncircular+0x36a/0x4a0 [ 73.799026][ T5828] ? __pfx_check_noncircular+0x10/0x10 [ 73.804488][ T5828] ? lockdep_lock+0x123/0x2b0 [ 73.809189][ T5828] validate_chain+0x18ef/0x5920 [ 73.814043][ T5828] ? __pfx_validate_chain+0x10/0x10 [ 73.819332][ T5828] ? do_syscall_64+0xf3/0x230 [ 73.824044][ T5828] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 73.830026][ T5828] ? mark_lock+0x9a/0x360 [ 73.834378][ T5828] __lock_acquire+0x1397/0x2100 [ 73.839239][ T5828] lock_acquire+0x1ed/0x550 [ 73.843861][ T5828] ? ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 73.850129][ T5828] ? __pfx_lock_acquire+0x10/0x10 [ 73.855196][ T5828] ? __pfx___might_resched+0x10/0x10 [ 73.860503][ T5828] ? ocfs2_truncate_file+0xd45/0x1560 [ 73.865873][ T5828] ? __pfx_lock_release+0x10/0x10 [ 73.871103][ T5828] down_write+0x99/0x220 [ 73.875347][ T5828] ? ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 73.881496][ T5828] ? __pfx_down_write+0x10/0x10 [ 73.886481][ T5828] ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 73.892498][ T5828] ? __pfx_ocfs2_try_remove_refcount_tree+0x10/0x10 [ 73.899160][ T5828] ? preempt_schedule_thunk+0x1a/0x30 [ 73.904525][ T5828] ? ocfs2_metadata_cache_get_super+0x43/0x80 [ 73.910596][ T5828] ? ocfs2_inode_cache_get_super+0xd/0x40 [ 73.916323][ T5828] ocfs2_truncate_file+0xe1b/0x1560 [ 73.921616][ T5828] ? ocfs2_inode_lock_tracker+0x45a/0x760 [ 73.927354][ T5828] ? __pfx_ocfs2_truncate_file+0x10/0x10 [ 73.932985][ T5828] ? do_raw_spin_unlock+0x13c/0x8b0 [ 73.938274][ T5828] ? _raw_spin_unlock+0x28/0x50 [ 73.943118][ T5828] ? ocfs2_inode_lock_tracker+0x45a/0x760 [ 73.948830][ T5828] ? __pfx_ocfs2_inode_lock_tracker+0x10/0x10 [ 73.954887][ T5828] ? ocfs2_rw_lock+0x13e/0x260 [ 73.959656][ T5828] ? __pfx_ocfs2_rw_lock+0x10/0x10 [ 73.964766][ T5828] ? jbd2_journal_begin_ordered_truncate+0xc0/0x160 [ 73.971349][ T5828] ocfs2_setattr+0x1890/0x1ef0 [ 73.976123][ T5828] ? __pfx_ocfs2_setattr+0x10/0x10 [ 73.981246][ T5828] ? __pfx_smack_inode_setattr+0x10/0x10 [ 73.986968][ T5828] ? current_time+0x282/0x3c0 [ 73.991639][ T5828] ? evm_inode_setattr+0x1b2/0x7d0 [ 73.996752][ T5828] ? security_inode_setattr+0xdb/0x350 [ 74.002226][ T5828] ? __pfx_ocfs2_setattr+0x10/0x10 [ 74.007330][ T5828] notify_change+0xbca/0xe90 [ 74.011926][ T5828] do_truncate+0x220/0x310 [ 74.016420][ T5828] ? __pfx_do_truncate+0x10/0x10 [ 74.021370][ T5828] ? bpf_lsm_path_truncate+0x9/0x10 [ 74.026563][ T5828] vfs_truncate+0x2e1/0x3b0 [ 74.031066][ T5828] do_sys_truncate+0xdb/0x190 [ 74.035751][ T5828] ? __pfx_do_sys_truncate+0x10/0x10 [ 74.041041][ T5828] ? do_syscall_64+0x100/0x230 [ 74.045813][ T5828] do_syscall_64+0xf3/0x230 [ 74.050477][ T5828] ? clear_bhb_loop+0x35/0x90 [ 74.055167][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.061177][ T5828] RIP: 0033:0x7feb0e79ee59 [ 74.065598][ T5828] 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 [ 74.085378][ T5828] RSP: 002b:00007ffd0356fa38 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 74.093890][ T5828] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007feb0e79ee59 [ 74.101898][ T5828] RDX: 00007feb0e79ee59 RSI: 0000000000000002 RDI: 00000000200000c0 [ 74.109892][ T5828] RBP: 00007feb0e8175f0 R08: 000055558a6b94c0 R09: 000055558a6b94c0 [pid 5828] truncate("./file1", 2) = 0 [pid 5828] fchmodat(0, NULL, 020) = -1 EFAULT (Bad address) [pid 5828] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [pid 5828] exit_group(0) = ? [pid 5828] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5828, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 74.117892][ T5828] R10: 000055558a6b94c0 R11: 0000000000000246 R12: 00007ffd0356fa60 [ 74.125865][ T5828] R13: 00007ffd0356fc88 R14: 431bde82d7b634db R15: 00007feb0e7e801d [ 74.133860][ T5828] openat(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 5831 attached , child_tidptr=0x55558a6b8650) = 5831 [pid 5831] set_robust_list(0x55558a6b8660, 24) = 0 [pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] setpgid(0, 0) = 0 [pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] write(3, "1000", 4) = 4 [pid 5831] close(3) = 0 executing program [pid 5831] write(1, "executing program\n", 18) = 18 [pid 5831] memfd_create("syzkaller", 0) = 3 [pid 5831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feb06200000 [pid 5831] 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 5831] munmap(0x7feb06200000, 138412032) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] close(3) = 0 [pid 5831] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = 3 [pid 5831] truncate("./file1", 11) = 0 [pid 5831] truncate("./file1", 2) = 0 [pid 5831] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5831] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [pid 5831] exit_group(0) = ? [pid 5831] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5831, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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 5832 attached [pid 5832] set_robust_list(0x55558a6b8660, 24 [pid 5826] <... clone resumed>, child_tidptr=0x55558a6b8650) = 5832 [pid 5832] <... set_robust_list resumed>) = 0 [ 74.431255][ T29] audit: type=1800 audit(1733186693.518:3): pid=5831 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor221" name="file1" dev="sda1" ino=1928 res=0 errno=0 [pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5832] setpgid(0, 0) = 0 [pid 5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "1000", 4) = 4 [pid 5832] close(3) = 0 executing program [pid 5832] write(1, "executing program\n", 18) = 18 [pid 5832] memfd_create("syzkaller", 0) = 3 [pid 5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feb06200000 [pid 5832] 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 5832] munmap(0x7feb06200000, 138412032) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5832] close(3) = 0 [pid 5832] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5832] truncate("./file1", 11) = 0 [pid 5832] truncate("./file1", 2) = 0 [pid 5832] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5832] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [pid 5832] exit_group(0) = ? [pid 5832] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5832, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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 5833 attached , child_tidptr=0x55558a6b8650) = 5833 [pid 5833] set_robust_list(0x55558a6b8660, 24) = 0 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] setpgid(0, 0) = 0 [pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1000", 4) = 4 [pid 5833] close(3) = 0 executing program [pid 5833] write(1, "executing program\n", 18) = 18 [pid 5833] memfd_create("syzkaller", 0) = 3 [pid 5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feb06200000 [pid 5833] 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 5833] munmap(0x7feb06200000, 138412032) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5833] truncate("./file1", 11) = 0 [pid 5833] truncate("./file1", 2) = 0 [pid 5833] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5833] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [pid 5833] exit_group(0) = ? [pid 5833] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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 5834 attached [pid 5834] set_robust_list(0x55558a6b8660, 24 [pid 5826] <... clone resumed>, child_tidptr=0x55558a6b8650) = 5834 [pid 5834] <... set_robust_list resumed>) = 0 [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5834] setpgid(0, 0) = 0 [pid 5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "1000", 4) = 4 [pid 5834] close(3) = 0 executing program [pid 5834] write(1, "executing program\n", 18) = 18 [pid 5834] memfd_create("syzkaller", 0) = 3 [pid 5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feb06200000 [pid 5834] 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 5834] munmap(0x7feb06200000, 138412032) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5834] close(3) = 0 [pid 5834] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5834] truncate("./file1", 11) = 0 [pid 5834] truncate("./file1", 2) = 0 [pid 5834] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5834] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [pid 5834] exit_group(0) = ? [pid 5834] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5834, si_uid=0, si_status=0, si_utime=1 /* 0.01 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 5835 attached , child_tidptr=0x55558a6b8650) = 5835 [pid 5835] set_robust_list(0x55558a6b8660, 24) = 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(3) = 0 executing program [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) = 0x7feb06200000 [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(0x7feb06200000, 138412032) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5835] close(3) = 0 [pid 5835] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5835] truncate("./file1", 11) = 0 [pid 5835] truncate("./file1", 2) = 0 [pid 5835] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5835] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=2 /* 0.02 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 5836 attached , child_tidptr=0x55558a6b8650) = 5836 [pid 5836] set_robust_list(0x55558a6b8660, 24) = 0 [pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5836] setpgid(0, 0) = 0 [pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5836] write(3, "1000", 4) = 4 [pid 5836] close(3) = 0 executing program [pid 5836] write(1, "executing program\n", 18) = 18 [pid 5836] memfd_create("syzkaller", 0) = 3 [pid 5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feb06200000 [pid 5836] 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 5836] munmap(0x7feb06200000, 138412032) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5836] close(3) = 0 [pid 5836] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5836] truncate("./file1", 11) = 0 [pid 5836] truncate("./file1", 2) = 0 [pid 5836] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5836] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [pid 5836] exit_group(0) = ? [pid 5836] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=1 /* 0.01 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 5837 attached , child_tidptr=0x55558a6b8650) = 5837 [pid 5837] set_robust_list(0x55558a6b8660, 24) = 0 [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5837] setpgid(0, 0) = 0 [pid 5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] write(3, "1000", 4) = 4 [pid 5837] close(3) = 0 executing program [pid 5837] write(1, "executing program\n", 18) = 18 [pid 5837] memfd_create("syzkaller", 0) = 3 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feb06200000 [pid 5837] 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 5837] munmap(0x7feb06200000, 138412032) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5837] close(3) = 0 [pid 5837] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5837] truncate("./file1", 11) = 0 [pid 5837] truncate("./file1", 2) = 0 [pid 5837] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5837] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [pid 5837] exit_group(0) = ? [pid 5837] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5837, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached , child_tidptr=0x55558a6b8650) = 5838 [pid 5838] set_robust_list(0x55558a6b8660, 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5838] truncate("./file1", 11) = 0 [pid 5838] truncate("./file1", 2) = 0 [pid 5838] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5838] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=2 /* 0.02 s */, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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=0x55558a6b8650) = 5839 [pid 5839] set_robust_list(0x55558a6b8660, 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 [pid 5839] write(1, "executing program\n", 18executing program ) = 18 [pid 5839] memfd_create("syzkaller", 0) = 3 [pid 5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5839] truncate("./file1", 11) = 0 [pid 5839] truncate("./file1", 2) = 0 [pid 5839] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5839] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=0, 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 5840 attached , child_tidptr=0x55558a6b8650) = 5840 [pid 5840] set_robust_list(0x55558a6b8660, 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 [pid 5840] write(1, "executing program\n", 18executing program ) = 18 [pid 5840] memfd_create("syzkaller", 0) = 3 [pid 5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5840] truncate("./file1", 11) = 0 [pid 5840] truncate("./file1", 2) = 0 [pid 5840] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5840] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=3 /* 0.03 s */, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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=0x55558a6b8650) = 5841 ./strace-static-x86_64: Process 5841 attached [pid 5841] set_robust_list(0x55558a6b8660, 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 executing program [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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5841] truncate("./file1", 11) = 0 [pid 5841] truncate("./file1", 2) = 0 [pid 5841] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5841] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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 [pid 5842] set_robust_list(0x55558a6b8660, 24 [pid 5826] <... clone resumed>, child_tidptr=0x55558a6b8650) = 5842 [pid 5842] <... set_robust_list resumed>) = 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5842] truncate("./file1", 11) = 0 [pid 5842] truncate("./file1", 2) = 0 [pid 5842] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5842] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=2 /* 0.02 s */, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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=0x55558a6b8650) = 5843 [pid 5843] set_robust_list(0x55558a6b8660, 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5843] truncate("./file1", 11) = 0 [pid 5843] truncate("./file1", 2) = 0 [pid 5843] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5843] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=3 /* 0.03 s */, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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=0x55558a6b8650) = 5844 ./strace-static-x86_64: Process 5844 attached [pid 5844] set_robust_list(0x55558a6b8660, 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5844] truncate("./file1", 11) = 0 [pid 5844] truncate("./file1", 2) = 0 [pid 5844] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5844] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=3 /* 0.03 s */, 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 5845 attached [pid 5845] set_robust_list(0x55558a6b8660, 24 [pid 5826] <... clone resumed>, child_tidptr=0x55558a6b8650) = 5845 [pid 5845] <... set_robust_list resumed>) = 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 executing program [pid 5845] write(1, "executing program\n", 18) = 18 [pid 5845] memfd_create("syzkaller", 0) = 3 [pid 5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5845] truncate("./file1", 11) = 0 [pid 5845] truncate("./file1", 2) = 0 [pid 5845] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5845] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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 [pid 5846] set_robust_list(0x55558a6b8660, 24) = 0 [pid 5826] <... clone resumed>, child_tidptr=0x55558a6b8650) = 5846 [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 [pid 5846] write(1, "executing program\n", 18executing program ) = 18 [pid 5846] memfd_create("syzkaller", 0) = 3 [pid 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5846] truncate("./file1", 11) = 0 [pid 5846] truncate("./file1", 2) = 0 [pid 5846] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5846] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=1 /* 0.01 s */, si_stime=10 /* 0.10 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 5847 attached , child_tidptr=0x55558a6b8650) = 5847 [pid 5847] set_robust_list(0x55558a6b8660, 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5847] truncate("./file1", 11) = 0 [pid 5847] truncate("./file1", 2) = 0 [pid 5847] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5847] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=2 /* 0.02 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 5848 attached , child_tidptr=0x55558a6b8650) = 5848 [pid 5848] set_robust_list(0x55558a6b8660, 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5848] truncate("./file1", 11) = 0 [pid 5848] truncate("./file1", 2) = 0 [pid 5848] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5848] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=8 /* 0.08 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 5849 attached , child_tidptr=0x55558a6b8650) = 5849 [pid 5849] set_robust_list(0x55558a6b8660, 24) = 0 [pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5849] setpgid(0, 0) = 0 [pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5849] write(3, "1000", 4) = 4 [pid 5849] close(3) = 0 executing program [pid 5849] write(1, "executing program\n", 18) = 18 [pid 5849] memfd_create("syzkaller", 0) = 3 [pid 5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feb06200000 [pid 5849] 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 5849] munmap(0x7feb06200000, 138412032) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5849] close(3) = 0 [pid 5849] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5849] truncate("./file1", 11) = 0 [pid 5849] truncate("./file1", 2) = 0 [pid 5849] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5849] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [pid 5849] exit_group(0) = ? [pid 5849] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=0, 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 5850 attached [pid 5850] set_robust_list(0x55558a6b8660, 24 [pid 5826] <... clone resumed>, child_tidptr=0x55558a6b8650) = 5850 [pid 5850] <... set_robust_list resumed>) = 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5850] truncate("./file1", 11) = 0 [pid 5850] truncate("./file1", 2) = 0 [pid 5850] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5850] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=2 /* 0.02 s */, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5851 attached , child_tidptr=0x55558a6b8650) = 5851 [pid 5851] set_robust_list(0x55558a6b8660, 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5851] truncate("./file1", 11) = 0 [pid 5851] truncate("./file1", 2) = 0 [pid 5851] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5851] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=2 /* 0.02 s */, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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=0x55558a6b8650) = 5852 [pid 5852] set_robust_list(0x55558a6b8660, 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5852] truncate("./file1", 11) = 0 [pid 5852] truncate("./file1", 2) = 0 [pid 5852] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5852] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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=0x55558a6b8650) = 5853 [pid 5853] set_robust_list(0x55558a6b8660, 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5853] truncate("./file1", 11) = 0 [pid 5853] truncate("./file1", 2) = 0 [pid 5853] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5853] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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=0x55558a6b8650) = 5854 [pid 5854] set_robust_list(0x55558a6b8660, 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5854] truncate("./file1", 11) = 0 [pid 5854] truncate("./file1", 2) = 0 [pid 5854] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5854] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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=0x55558a6b8650) = 5855 [pid 5855] set_robust_list(0x55558a6b8660, 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5855] truncate("./file1", 11) = 0 [pid 5855] truncate("./file1", 2) = 0 [pid 5855] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5855] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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 [pid 5856] set_robust_list(0x55558a6b8660, 24 [pid 5826] <... clone resumed>, child_tidptr=0x55558a6b8650) = 5856 [pid 5856] <... set_robust_list resumed>) = 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5856] truncate("./file1", 11) = 0 [pid 5856] truncate("./file1", 2) = 0 [pid 5856] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5856] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=4 /* 0.04 s */, si_stime=6 /* 0.06 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5857 attached , child_tidptr=0x55558a6b8650) = 5857 [pid 5857] set_robust_list(0x55558a6b8660, 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5857] truncate("./file1", 11) = 0 [pid 5857] truncate("./file1", 2) = 0 [pid 5857] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5857] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=2 /* 0.02 s */, si_stime=9 /* 0.09 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 5858 attached , child_tidptr=0x55558a6b8650) = 5858 [pid 5858] set_robust_list(0x55558a6b8660, 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 [pid 5858] write(1, "executing program\n", 18executing program ) = 18 [pid 5858] memfd_create("syzkaller", 0) = 3 [pid 5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5858] truncate("./file1", 11) = 0 [pid 5858] truncate("./file1", 2) = 0 [pid 5858] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5858] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=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, child_tidptr=0x55558a6b8650) = 5859 ./strace-static-x86_64: Process 5859 attached [pid 5859] set_robust_list(0x55558a6b8660, 24) = 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) = 0x7feb06200000 [pid 5859] 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 5859] munmap(0x7feb06200000, 138412032) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5859] close(3) = 0 [pid 5859] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5859] truncate("./file1", 11) = 0 [pid 5859] truncate("./file1", 2) = 0 [pid 5859] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5859] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=1 /* 0.01 s */, si_stime=8 /* 0.08 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 5861 attached [ 81.937389][ T25] cfg80211: failed to load regulatory.db , child_tidptr=0x55558a6b8650) = 5861 [pid 5861] set_robust_list(0x55558a6b8660, 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5861] truncate("./file1", 11) = 0 [pid 5861] truncate("./file1", 2) = 0 [pid 5861] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5861] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=1 /* 0.01 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, child_tidptr=0x55558a6b8650) = 5862 ./strace-static-x86_64: Process 5862 attached [pid 5862] set_robust_list(0x55558a6b8660, 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) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5862] truncate("./file1", 11) = 0 [pid 5862] truncate("./file1", 2) = 0 [pid 5862] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5862] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=2 /* 0.02 s */, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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=0x55558a6b8650) = 5863 [pid 5863] set_robust_list(0x55558a6b8660, 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 executing program [pid 5863] write(1, "executing program\n", 18) = 18 [pid 5863] memfd_create("syzkaller", 0) = 3 [pid 5863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5863] truncate("./file1", 11) = 0 [pid 5863] truncate("./file1", 2) = 0 [pid 5863] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5863] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=2 /* 0.02 s */, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(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=0x55558a6b8650) = 5864 [pid 5864] set_robust_list(0x55558a6b8660, 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 [pid 5864] write(1, "executing program\n", 18executing program ) = 18 [pid 5864] memfd_create("syzkaller", 0) = 3 [pid 5864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7feb06200000 [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(0x7feb06200000, 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_RDONLY|O_CREAT|O_EXCL|O_NOCTTY|O_TRUNC|O_APPEND|O_SYNC|O_DIRECT|O_NOFOLLOW|O_CLOEXEC|FASYNC, 0102) = -1 EEXIST (File exists) [pid 5864] truncate("./file1", 11) = 0 [pid 5864] truncate("./file1", 2) = 0 [pid 5864] fchmodat(-1, NULL, 020) = -1 EFAULT (Bad address) [pid 5864] open(NULL, O_RDONLY) = -1 EFAULT (Bad address) [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=3 /* 0.03 s */, si_stime=7 /* 0.07 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)