./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1193975994 <...> Warning: Permanently added '10.128.0.111' (ED25519) to the list of known hosts. execve("./syz-executor1193975994", ["./syz-executor1193975994"], 0x7fff085b52d0 /* 10 vars */) = 0 brk(NULL) = 0x555577628000 brk(0x555577628d00) = 0x555577628d00 arch_prctl(ARCH_SET_FS, 0x555577628380) = 0 set_tid_address(0x555577628650) = 5839 set_robust_list(0x555577628660, 24) = 0 rseq(0x555577628ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1193975994", 4096) = 28 getrandom("\xb6\xf0\x71\xa6\xcb\xdb\x76\x18", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555577628d00 brk(0x555577649d00) = 0x555577649d00 brk(0x55557764a000) = 0x55557764a000 mprotect(0x7ff9a4bc7000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached , child_tidptr=0x555577628650) = 5841 [pid 5841] set_robust_list(0x555577628660, 24) = 0 [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5841] setpgid(0, 0) = 0 [pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] write(3, "1000", 4) = 4 [pid 5841] close(3) = 0 [pid 5841] write(1, "executing program\n", 18executing program ) = 18 [pid 5841] memfd_create("syzkaller", 0) = 3 [pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5841] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 138412032) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5841] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5841] close(3) = 0 [pid 5841] close(4) = 0 [pid 5841] mkdir("./file1", 0777) = 0 [ 89.141942][ T5841] loop0: detected capacity change from 0 to 32768 [ 89.183528][ T5841] ======================================================= [ 89.183528][ T5841] WARNING: The mand mount option has been deprecated and [ 89.183528][ T5841] and is ignored by this kernel. Remove the mand [ 89.183528][ T5841] option from the mount to silence this warning. [ 89.183528][ T5841] ======================================================= [pid 5841] mount("/dev/loop0", "./file1", "ocfs2", MS_SYNCHRONOUS|MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_STRICTATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,preferred_slot=00000000000000000001,localflocks,"...) = 0 [pid 5841] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5841] chdir("./file1") = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5841] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = 4 [pid 5841] openat(AT_FDCWD, ".", O_RDONLY) = 5 [ 89.240492][ T5841] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 89.271516][ T5841] [ 89.273877][ T5841] ====================================================== [ 89.280891][ T5841] WARNING: possible circular locking dependency detected [ 89.287904][ T5841] 6.16.0-rc6-syzkaller-00281-gf4a40a4282f4 #0 Not tainted [ 89.295004][ T5841] ------------------------------------------------------ [ 89.302030][ T5841] syz-executor119/5841 is trying to acquire lock: [ 89.308433][ T5841] ffff8880770d8660 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 89.319064][ T5841] [ 89.319064][ T5841] but task is already holding lock: [ 89.326419][ T5841] ffff8880770d86f8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320 [ 89.337027][ T5841] [ 89.337027][ T5841] which lock already depends on the new lock. [ 89.337027][ T5841] [ 89.347421][ T5841] [ 89.347421][ T5841] the existing dependency chain (in reverse order) is: [ 89.356423][ T5841] [ 89.356423][ T5841] -> #4 (&oi->ip_xattr_sem){++++}-{4:4}: [ 89.364239][ T5841] lock_acquire+0x120/0x360 [ 89.369260][ T5841] down_write+0x96/0x1f0 [ 89.374025][ T5841] ocfs2_xattr_set_handle+0x3b0/0x7a0 [ 89.379916][ T5841] ocfs2_init_security_set+0xbd/0xe0 [ 89.385717][ T5841] ocfs2_mknod+0x137f/0x2050 [ 89.390824][ T5841] ocfs2_create+0x1a5/0x440 [ 89.395842][ T5841] path_openat+0x14f1/0x3830 [ 89.400951][ T5841] do_filp_open+0x1fa/0x410 [ 89.405972][ T5841] do_sys_openat2+0x121/0x1c0 [ 89.411167][ T5841] __x64_sys_openat+0x138/0x170 [ 89.416532][ T5841] do_syscall_64+0xfa/0x3b0 [ 89.421551][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.427958][ T5841] [ 89.427958][ T5841] -> #3 (jbd2_handle){.+.+}-{0:0}: [ 89.435249][ T5841] lock_acquire+0x120/0x360 [ 89.440266][ T5841] start_this_handle+0x1fa7/0x21c0 [ 89.445896][ T5841] jbd2__journal_start+0x2c1/0x5b0 [ 89.451526][ T5841] jbd2_journal_start+0x2a/0x40 [ 89.456913][ T5841] ocfs2_start_trans+0x376/0x6d0 [ 89.462388][ T5841] ocfs2_reserve_suballoc_bits+0x711/0x4640 [ 89.468806][ T5841] ocfs2_reserve_new_metadata_blocks+0x403/0x940 [ 89.475661][ T5841] ocfs2_mknod+0xe08/0x2050 [ 89.480682][ T5841] ocfs2_create+0x1a5/0x440 [ 89.485698][ T5841] path_openat+0x14f1/0x3830 [ 89.490809][ T5841] do_filp_open+0x1fa/0x410 [ 89.495828][ T5841] do_sys_openat2+0x121/0x1c0 [ 89.501024][ T5841] __x64_sys_openat+0x138/0x170 [ 89.506392][ T5841] do_syscall_64+0xfa/0x3b0 [ 89.511411][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.517821][ T5841] [ 89.517821][ T5841] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 89.526330][ T5841] lock_acquire+0x120/0x360 [ 89.531347][ T5841] down_read+0x46/0x2e0 [ 89.536016][ T5841] ocfs2_start_trans+0x36a/0x6d0 [ 89.541473][ T5841] ocfs2_reserve_suballoc_bits+0x711/0x4640 [ 89.547888][ T5841] ocfs2_reserve_new_metadata_blocks+0x403/0x940 [ 89.554728][ T5841] ocfs2_mknod+0xe08/0x2050 [ 89.559746][ T5841] ocfs2_create+0x1a5/0x440 [ 89.564761][ T5841] path_openat+0x14f1/0x3830 [ 89.569867][ T5841] do_filp_open+0x1fa/0x410 [ 89.574887][ T5841] do_sys_openat2+0x121/0x1c0 [ 89.580080][ T5841] __x64_sys_openat+0x138/0x170 [ 89.585444][ T5841] do_syscall_64+0xfa/0x3b0 [ 89.590462][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.596870][ T5841] [ 89.596870][ T5841] -> #1 (sb_internal#2){.+.+}-{0:0}: [ 89.604367][ T5841] lock_acquire+0x120/0x360 [ 89.609385][ T5841] ocfs2_start_trans+0x26b/0x6d0 [ 89.614860][ T5841] ocfs2_truncate_file+0x643/0x1420 [ 89.620574][ T5841] ocfs2_setattr+0x1520/0x1b40 [ 89.625848][ T5841] notify_change+0xb33/0xe40 [ 89.630954][ T5841] do_truncate+0x1a4/0x220 [ 89.635881][ T5841] path_openat+0x306c/0x3830 [ 89.640990][ T5841] do_filp_open+0x1fa/0x410 [ 89.646014][ T5841] do_sys_openat2+0x121/0x1c0 [ 89.651205][ T5841] __x64_sys_openat+0x138/0x170 [ 89.656570][ T5841] do_syscall_64+0xfa/0x3b0 [ 89.661592][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.668001][ T5841] [ 89.668001][ T5841] -> #0 (&oi->ip_alloc_sem){+.+.}-{4:4}: [ 89.675813][ T5841] validate_chain+0xb9b/0x2140 [ 89.681093][ T5841] __lock_acquire+0xab9/0xd20 [ 89.686282][ T5841] lock_acquire+0x120/0x360 [ 89.691299][ T5841] down_write+0x96/0x1f0 [ 89.696072][ T5841] ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 89.702570][ T5841] ocfs2_truncate_file+0xda0/0x1420 [ 89.708283][ T5841] ocfs2_setattr+0x1520/0x1b40 [ 89.713560][ T5841] notify_change+0xb33/0xe40 [ 89.718678][ T5841] do_truncate+0x1a4/0x220 [ 89.723606][ T5841] path_openat+0x306c/0x3830 [ 89.728732][ T5841] do_filp_open+0x1fa/0x410 [ 89.733750][ T5841] do_sys_openat2+0x121/0x1c0 [ 89.738945][ T5841] __x64_sys_openat+0x138/0x170 [ 89.744310][ T5841] do_syscall_64+0xfa/0x3b0 [ 89.749332][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.755756][ T5841] [ 89.755756][ T5841] other info that might help us debug this: [ 89.755756][ T5841] [ 89.765974][ T5841] Chain exists of: [ 89.765974][ T5841] &oi->ip_alloc_sem --> jbd2_handle --> &oi->ip_xattr_sem [ 89.765974][ T5841] [ 89.779006][ T5841] Possible unsafe locking scenario: [ 89.779006][ T5841] [ 89.786445][ T5841] CPU0 CPU1 [ 89.791802][ T5841] ---- ---- [ 89.797158][ T5841] lock(&oi->ip_xattr_sem); [ 89.801744][ T5841] lock(jbd2_handle); [ 89.808325][ T5841] lock(&oi->ip_xattr_sem); [ 89.815430][ T5841] lock(&oi->ip_alloc_sem); [ 89.820018][ T5841] [ 89.820018][ T5841] *** DEADLOCK *** [ 89.820018][ T5841] [ 89.828155][ T5841] 3 locks held by syz-executor119/5841: [ 89.833692][ T5841] #0: ffff8880347c2428 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 89.842832][ T5841] #1: ffff8880770d89c0 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: do_truncate+0x171/0x220 [ 89.853183][ T5841] #2: ffff8880770d86f8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa4/0x320 [ 89.864312][ T5841] [ 89.864312][ T5841] stack backtrace: [ 89.870214][ T5841] CPU: 1 UID: 0 PID: 5841 Comm: syz-executor119 Not tainted 6.16.0-rc6-syzkaller-00281-gf4a40a4282f4 #0 PREEMPT(full) [ 89.870229][ T5841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 89.870237][ T5841] Call Trace: [ 89.870242][ T5841] [ 89.870247][ T5841] dump_stack_lvl+0x189/0x250 [ 89.870264][ T5841] ? __pfx_dump_stack_lvl+0x10/0x10 [ 89.870276][ T5841] ? __pfx__printk+0x10/0x10 [ 89.870290][ T5841] ? print_lock_name+0xde/0x100 [ 89.870304][ T5841] print_circular_bug+0x2ee/0x310 [ 89.870319][ T5841] check_noncircular+0x134/0x160 [ 89.870334][ T5841] validate_chain+0xb9b/0x2140 [ 89.870352][ T5841] __lock_acquire+0xab9/0xd20 [ 89.870363][ T5841] ? ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 89.870377][ T5841] lock_acquire+0x120/0x360 [ 89.870387][ T5841] ? ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 89.870405][ T5841] down_write+0x96/0x1f0 [ 89.870418][ T5841] ? ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 89.870432][ T5841] ? __pfx_down_write+0x10/0x10 [ 89.870448][ T5841] ocfs2_try_remove_refcount_tree+0xb6/0x320 [ 89.870463][ T5841] ? __pfx_ocfs2_try_remove_refcount_tree+0x10/0x10 [ 89.870478][ T5841] ? up_write+0x1c4/0x420 [ 89.870492][ T5841] ocfs2_truncate_file+0xda0/0x1420 [ 89.870506][ T5841] ? __pfx_ocfs2_truncate_file+0x10/0x10 [ 89.870517][ T5841] ? do_raw_spin_unlock+0x122/0x240 [ 89.870532][ T5841] ? _raw_spin_unlock+0x28/0x50 [ 89.870548][ T5841] ? ocfs2_inode_lock_tracker+0x3ec/0x660 [ 89.870564][ T5841] ? __pfx_ocfs2_inode_lock_tracker+0x10/0x10 [ 89.870577][ T5841] ? ocfs2_rw_lock+0x13a/0x240 [ 89.870588][ T5841] ? __pfx___dquot_initialize+0x10/0x10 [ 89.870601][ T5841] ? __pfx_ocfs2_rw_lock+0x10/0x10 [ 89.870612][ T5841] ? setattr_prepare+0x1e7/0xac0 [ 89.870629][ T5841] ? jbd2_journal_begin_ordered_truncate+0xbb/0x150 [ 89.870655][ T5841] ocfs2_setattr+0x1520/0x1b40 [ 89.870669][ T5841] ? __pfx_ocfs2_setattr+0x10/0x10 [ 89.870680][ T5841] ? smk_tskacc+0x2fc/0x370 [ 89.870697][ T5841] ? smack_inode_setattr+0x17b/0x200 [ 89.870713][ T5841] ? __pfx_smack_inode_setattr+0x10/0x10 [ 89.870730][ T5841] ? current_time+0x222/0x370 [ 89.870744][ T5841] ? evm_inode_setattr+0x1b6/0x7d0 [ 89.870758][ T5841] ? __pfx_current_time+0x10/0x10 [ 89.870772][ T5841] ? try_break_deleg+0x79/0x130 [ 89.870788][ T5841] ? __pfx_ocfs2_setattr+0x10/0x10 [ 89.870799][ T5841] notify_change+0xb33/0xe40 [ 89.870818][ T5841] do_truncate+0x1a4/0x220 [ 89.870829][ T5841] ? __pfx_do_truncate+0x10/0x10 [ 89.870844][ T5841] path_openat+0x306c/0x3830 [ 89.870860][ T5841] ? arch_stack_walk+0xfc/0x150 [ 89.870880][ T5841] ? __pfx_path_openat+0x10/0x10 [ 89.870894][ T5841] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.870910][ T5841] do_filp_open+0x1fa/0x410 [ 89.870925][ T5841] ? __lock_acquire+0xab9/0xd20 [ 89.870936][ T5841] ? __pfx_do_filp_open+0x10/0x10 [ 89.870956][ T5841] ? _raw_spin_unlock+0x28/0x50 [ 89.870972][ T5841] ? alloc_fd+0x64c/0x6c0 [ 89.870986][ T5841] do_sys_openat2+0x121/0x1c0 [ 89.871001][ T5841] ? __pfx_do_sys_openat2+0x10/0x10 [ 89.871018][ T5841] __x64_sys_openat+0x138/0x170 [ 89.871034][ T5841] do_syscall_64+0xfa/0x3b0 [ 89.871046][ T5841] ? lockdep_hardirqs_on+0x9c/0x150 [ 89.871057][ T5841] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.871068][ T5841] ? clear_bhb_loop+0x60/0xb0 [ 89.871081][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.871092][ T5841] RIP: 0033:0x7ff9a4b4fbd9 [ 89.871103][ T5841] 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 [ 89.871112][ T5841] RSP: 002b:00007ffdbbb38418 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 89.871125][ T5841] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007ff9a4b4fbd9 [ 89.871134][ T5841] RDX: 0000000000002380 RSI: 0000200000000580 RDI: 0000000000000005 [pid 5841] openat(5, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = 6 [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=0, si_stime=21 /* 0.21 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=0x555577628650) = 5844 ./strace-static-x86_64: Process 5844 attached [pid 5844] set_robust_list(0x555577628660, 24) = 0 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 89.871141][ T5841] RBP: 0031656c69662f2e R08: 00005555776294c0 R09: 00005555776294c0 [ 89.871150][ T5841] R10: 0000000000000020 R11: 0000000000000246 R12: 00007ffdbbb38440 [ 89.871157][ T5841] R13: 00007ffdbbb38668 R14: 431bde82d7b634db R15: 00007ff9a4b9803b [ 89.871169][ T5841] [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) = 0x7ff99c600000 [pid 5844] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5844] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5844] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=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 5845 attached [pid 5845] set_robust_list(0x555577628660, 24) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x555577628650) = 5845 [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) = 0x7ff99c600000 [pid 5845] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5845] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5845] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=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 5846 attached , child_tidptr=0x555577628650) = 5846 [pid 5846] set_robust_list(0x555577628660, 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 [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) = 0x7ff99c600000 [pid 5846] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5846] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5846] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5846] exit_group(0) = ? [pid 5846] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=0, si_stime=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 5847 attached , child_tidptr=0x555577628650) = 5847 [pid 5847] set_robust_list(0x555577628660, 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) = 0x7ff99c600000 [pid 5847] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5847] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5847] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=3 /* 0.03 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 5848 attached [pid 5848] set_robust_list(0x555577628660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x555577628650) = 5848 [pid 5848] <... set_robust_list resumed>) = 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 [pid 5848] write(1, "executing program\n", 18executing program ) = 18 [pid 5848] memfd_create("syzkaller", 0) = 3 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5848] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5848] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5848] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=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 5849 attached , child_tidptr=0x555577628650) = 5849 [pid 5849] set_robust_list(0x555577628660, 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) = 0x7ff99c600000 [pid 5849] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5849] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5849] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=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 5850 attached , child_tidptr=0x555577628650) = 5850 [pid 5850] set_robust_list(0x555577628660, 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) = 0x7ff99c600000 [pid 5850] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5850] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5850] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=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 5851 attached , child_tidptr=0x555577628650) = 5851 [pid 5851] set_robust_list(0x555577628660, 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) = 0x7ff99c600000 [ 92.028131][ T24] cfg80211: failed to load regulatory.db [pid 5851] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5851] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5851] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=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 5852 attached , child_tidptr=0x555577628650) = 5852 [pid 5852] set_robust_list(0x555577628660, 24) = 0 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5852] setpgid(0, 0) = 0 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] write(3, "1000", 4) = 4 [pid 5852] close(3) = 0 executing program [pid 5852] write(1, "executing program\n", 18) = 18 [pid 5852] memfd_create("syzkaller", 0) = 3 [pid 5852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5852] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5852] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5852] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=4 /* 0.04 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 5853 attached , child_tidptr=0x555577628650) = 5853 [pid 5853] set_robust_list(0x555577628660, 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) = 0x7ff99c600000 [pid 5853] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5853] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5853] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=4 /* 0.04 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 5854 attached , child_tidptr=0x555577628650) = 5854 [pid 5854] set_robust_list(0x555577628660, 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) = 0x7ff99c600000 [pid 5854] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5854] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5854] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=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 5855 attached , child_tidptr=0x555577628650) = 5855 [pid 5855] set_robust_list(0x555577628660, 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) = 0x7ff99c600000 [pid 5855] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5855] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5855] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=4 /* 0.04 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 5856 attached , child_tidptr=0x555577628650) = 5856 [pid 5856] set_robust_list(0x555577628660, 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) = 0x7ff99c600000 [pid 5856] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5856] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5856] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5856] exit_group(0) = ? [pid 5856] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=0, si_stime=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 5858 attached , child_tidptr=0x555577628650) = 5858 [pid 5858] set_robust_list(0x555577628660, 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) = 0x7ff99c600000 [pid 5858] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5858] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5858] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=4 /* 0.04 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 5859 attached , child_tidptr=0x555577628650) = 5859 [pid 5859] set_robust_list(0x555577628660, 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) = 0x7ff99c600000 [pid 5859] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5859] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5859] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=3 /* 0.03 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 5861 attached , child_tidptr=0x555577628650) = 5861 [pid 5861] set_robust_list(0x555577628660, 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) = 0x7ff99c600000 [pid 5861] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5861] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5861] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=4 /* 0.04 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=0x555577628650) = 5863 [pid 5863] set_robust_list(0x555577628660, 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) = 0x7ff99c600000 [pid 5863] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5863] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5863] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=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 5864 attached , child_tidptr=0x555577628650) = 5864 [pid 5864] set_robust_list(0x555577628660, 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) = 0x7ff99c600000 [pid 5864] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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(0x7ff99c600000, 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|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5864] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5864] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [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=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 5867 attached [pid 5867] set_robust_list(0x555577628660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x555577628650) = 5867 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5867] setpgid(0, 0) = 0 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5867] write(3, "1000", 4) = 4 [pid 5867] close(3) = 0 [pid 5867] write(1, "executing program\n", 18executing program ) = 18 [pid 5867] memfd_create("syzkaller", 0) = 3 [pid 5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5867] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5867] munmap(0x7ff99c600000, 138412032) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5867] close(3) = 0 [pid 5867] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5867] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5867] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5867] exit_group(0) = ? [pid 5867] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=2 /* 0.02 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 5870 attached [pid 5870] set_robust_list(0x555577628660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x555577628650) = 5870 [pid 5870] <... set_robust_list resumed>) = 0 [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5870] setpgid(0, 0) = 0 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5870] write(3, "1000", 4) = 4 [pid 5870] close(3) = 0 executing program [pid 5870] write(1, "executing program\n", 18) = 18 [pid 5870] memfd_create("syzkaller", 0) = 3 [pid 5870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5870] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5870] munmap(0x7ff99c600000, 138412032) = 0 [pid 5870] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5870] close(3) = 0 [pid 5870] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5870] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5870] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5870] exit_group(0) = ? [pid 5870] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=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 5871 attached , child_tidptr=0x555577628650) = 5871 [pid 5871] set_robust_list(0x555577628660, 24) = 0 [pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5871] setpgid(0, 0) = 0 [pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5871] write(3, "1000", 4) = 4 [pid 5871] close(3) = 0 executing program [pid 5871] write(1, "executing program\n", 18) = 18 [pid 5871] memfd_create("syzkaller", 0) = 3 [pid 5871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5871] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5871] munmap(0x7ff99c600000, 138412032) = 0 [pid 5871] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5871] close(3) = 0 [pid 5871] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5871] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5871] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5871] exit_group(0) = ? [pid 5871] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=2 /* 0.02 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 5872 attached , child_tidptr=0x555577628650) = 5872 [pid 5872] set_robust_list(0x555577628660, 24) = 0 [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5872] setpgid(0, 0) = 0 [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5872] write(3, "1000", 4) = 4 [pid 5872] close(3) = 0 executing program [pid 5872] write(1, "executing program\n", 18) = 18 [pid 5872] memfd_create("syzkaller", 0) = 3 [pid 5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5872] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5872] munmap(0x7ff99c600000, 138412032) = 0 [pid 5872] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5872] close(3) = 0 [pid 5872] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5872] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5872] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5872] exit_group(0) = ? [pid 5872] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=4 /* 0.04 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 5873 attached , child_tidptr=0x555577628650) = 5873 [pid 5873] set_robust_list(0x555577628660, 24) = 0 [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5873] setpgid(0, 0) = 0 [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5873] write(3, "1000", 4) = 4 [pid 5873] close(3) = 0 executing program [pid 5873] write(1, "executing program\n", 18) = 18 [pid 5873] memfd_create("syzkaller", 0) = 3 [pid 5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5873] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5873] munmap(0x7ff99c600000, 138412032) = 0 [pid 5873] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5873] close(3) = 0 [pid 5873] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5873] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5873] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5873] exit_group(0) = ? [pid 5873] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=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 5874 attached , child_tidptr=0x555577628650) = 5874 [pid 5874] set_robust_list(0x555577628660, 24) = 0 [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5874] setpgid(0, 0) = 0 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5874] write(3, "1000", 4) = 4 [pid 5874] close(3) = 0 executing program [pid 5874] write(1, "executing program\n", 18) = 18 [pid 5874] memfd_create("syzkaller", 0) = 3 [pid 5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5874] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5874] munmap(0x7ff99c600000, 138412032) = 0 [pid 5874] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5874] close(3) = 0 [pid 5874] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5874] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5874] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5874] exit_group(0) = ? [pid 5874] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=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 5875 attached , child_tidptr=0x555577628650) = 5875 [pid 5875] set_robust_list(0x555577628660, 24) = 0 [pid 5875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5875] setpgid(0, 0) = 0 [pid 5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5875] write(3, "1000", 4) = 4 [pid 5875] close(3) = 0 [pid 5875] write(1, "executing program\n", 18executing program ) = 18 [pid 5875] memfd_create("syzkaller", 0) = 3 [pid 5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5875] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5875] munmap(0x7ff99c600000, 138412032) = 0 [pid 5875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5875] close(3) = 0 [pid 5875] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5875] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5875] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5875] exit_group(0) = ? [pid 5875] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=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 5876 attached , child_tidptr=0x555577628650) = 5876 [pid 5876] set_robust_list(0x555577628660, 24) = 0 [pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5876] setpgid(0, 0) = 0 [pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5876] write(3, "1000", 4) = 4 [pid 5876] close(3) = 0 [pid 5876] write(1, "executing program\n", 18executing program ) = 18 [pid 5876] memfd_create("syzkaller", 0) = 3 [pid 5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5876] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5876] munmap(0x7ff99c600000, 138412032) = 0 [pid 5876] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5876] close(3) = 0 [pid 5876] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5876] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5876] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5876] exit_group(0) = ? [pid 5876] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=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 5877 attached [pid 5877] set_robust_list(0x555577628660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x555577628650) = 5877 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5877] setpgid(0, 0) = 0 [pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5877] write(3, "1000", 4) = 4 [pid 5877] close(3) = 0 executing program [pid 5877] write(1, "executing program\n", 18) = 18 [pid 5877] memfd_create("syzkaller", 0) = 3 [pid 5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5877] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5877] munmap(0x7ff99c600000, 138412032) = 0 [pid 5877] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5877] close(3) = 0 [pid 5877] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5877] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5877] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5877] exit_group(0) = ? [pid 5877] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=3 /* 0.03 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 5878 attached , child_tidptr=0x555577628650) = 5878 [pid 5878] set_robust_list(0x555577628660, 24) = 0 [pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5878] setpgid(0, 0) = 0 [pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5878] write(3, "1000", 4) = 4 [pid 5878] close(3) = 0 [pid 5878] write(1, "executing program\n", 18executing program ) = 18 [pid 5878] memfd_create("syzkaller", 0) = 3 [pid 5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5878] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5878] munmap(0x7ff99c600000, 138412032) = 0 [pid 5878] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5878] close(3) = 0 [pid 5878] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5878] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5878] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5878] exit_group(0) = ? [pid 5878] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=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 5879 attached [pid 5879] set_robust_list(0x555577628660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x555577628650) = 5879 [pid 5879] <... set_robust_list resumed>) = 0 [pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5879] setpgid(0, 0) = 0 [pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5879] write(3, "1000", 4) = 4 [pid 5879] close(3) = 0 [pid 5879] write(1, "executing program\n", 18executing program ) = 18 [pid 5879] memfd_create("syzkaller", 0) = 3 [pid 5879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5879] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5879] munmap(0x7ff99c600000, 138412032) = 0 [pid 5879] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5879] close(3) = 0 [pid 5879] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5879] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5879] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5879] exit_group(0) = ? [pid 5879] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=4 /* 0.04 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 5880 attached , child_tidptr=0x555577628650) = 5880 [pid 5880] set_robust_list(0x555577628660, 24) = 0 [pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5880] setpgid(0, 0) = 0 [pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5880] write(3, "1000", 4) = 4 [pid 5880] close(3) = 0 [pid 5880] write(1, "executing program\n", 18executing program ) = 18 [pid 5880] memfd_create("syzkaller", 0) = 3 [pid 5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5880] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5880] munmap(0x7ff99c600000, 138412032) = 0 [pid 5880] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5880] close(3) = 0 [pid 5880] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5880] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5880] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5880] exit_group(0) = ? [pid 5880] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=4 /* 0.04 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 5881 attached [pid 5881] set_robust_list(0x555577628660, 24 [pid 5839] <... clone resumed>, child_tidptr=0x555577628650) = 5881 [pid 5881] <... set_robust_list resumed>) = 0 [pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5881] setpgid(0, 0) = 0 [pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5881] write(3, "1000", 4) = 4 [pid 5881] close(3) = 0 [pid 5881] write(1, "executing program\n", 18executing program ) = 18 [pid 5881] memfd_create("syzkaller", 0) = 3 [pid 5881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5881] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5881] munmap(0x7ff99c600000, 138412032) = 0 [pid 5881] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5881] close(3) = 0 [pid 5881] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5881] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5881] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5881] exit_group(0) = ? [pid 5881] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=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 5882 attached , child_tidptr=0x555577628650) = 5882 [pid 5882] set_robust_list(0x555577628660, 24) = 0 [pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5882] setpgid(0, 0) = 0 [pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5882] write(3, "1000", 4) = 4 [pid 5882] close(3) = 0 executing program [pid 5882] write(1, "executing program\n", 18) = 18 [pid 5882] memfd_create("syzkaller", 0) = 3 [pid 5882] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5882] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5882] munmap(0x7ff99c600000, 138412032) = 0 [pid 5882] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5882] close(3) = 0 [pid 5882] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5882] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5882] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5882] exit_group(0) = ? [pid 5882] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=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 5884 attached , child_tidptr=0x555577628650) = 5884 [pid 5884] set_robust_list(0x555577628660, 24) = 0 [pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5884] setpgid(0, 0) = 0 [pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5884] write(3, "1000", 4) = 4 [pid 5884] close(3) = 0 executing program [pid 5884] write(1, "executing program\n", 18) = 18 [pid 5884] memfd_create("syzkaller", 0) = 3 [pid 5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5884] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5884] munmap(0x7ff99c600000, 138412032) = 0 [pid 5884] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5884] close(3) = 0 [pid 5884] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5884] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5884] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5884] exit_group(0) = ? [pid 5884] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=4 /* 0.04 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 5885 attached , child_tidptr=0x555577628650) = 5885 [pid 5885] set_robust_list(0x555577628660, 24) = 0 [pid 5885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5885] setpgid(0, 0) = 0 [pid 5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5885] write(3, "1000", 4) = 4 [pid 5885] close(3) = 0 executing program [pid 5885] write(1, "executing program\n", 18) = 18 [pid 5885] memfd_create("syzkaller", 0) = 3 [pid 5885] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff99c600000 [pid 5885] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\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 5885] munmap(0x7ff99c600000, 138412032) = 0 [pid 5885] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5885] close(3) = 0 [pid 5885] openat(AT_FDCWD, "./file1", O_RDONLY|O_CREAT|FASYNC, 000) = -1 EISDIR (Is a directory) [pid 5885] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5885] openat(3, "./file1", O_RDONLY|O_EXCL|O_NOCTTY|O_TRUNC|FASYNC) = -1 EISDIR (Is a directory) [pid 5885] exit_group(0) = ? [pid 5885] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=0, si_stime=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 5886 attached , child_tidptr=0x555577628650) = 5886 [pid 5886] set_robust_list(0x555577628660, 24) = 0 [pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5886] setpgid(0, 0) = 0