./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3642279443 <...> Warning: Permanently added '10.128.0.102' (ED25519) to the list of known hosts. execve("./syz-executor3642279443", ["./syz-executor3642279443"], 0x7ffe3e11baf0 /* 10 vars */) = 0 brk(NULL) = 0x555565bef000 brk(0x555565befd00) = 0x555565befd00 arch_prctl(ARCH_SET_FS, 0x555565bef380) = 0 set_tid_address(0x555565bef650) = 5827 set_robust_list(0x555565bef660, 24) = 0 rseq(0x555565befca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3642279443", 4096) = 28 getrandom("\xdc\x87\x48\xce\x62\x50\xf6\xab", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555565befd00 brk(0x555565c10d00) = 0x555565c10d00 brk(0x555565c11000) = 0x555565c11000 mprotect(0x7f9f92c16000, 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 5828 attached [pid 5828] set_robust_list(0x555565bef660, 24 [pid 5827] <... clone resumed>, child_tidptr=0x555565bef650) = 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) = 0x7f9f8a600000 [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(0x7f9f8a600000, 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 [ 79.723552][ T5828] loop0: detected capacity change from 0 to 32768 [ 79.778178][ T5828] (syz-executor364,5828,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 79.793663][ T5828] (syz-executor364,5828,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 79.819989][ T5828] JBD2: Ignoring recovery information on journal [pid 5828] mount("/dev/loop0", "./file0", "ocfs2", MS_NOSUID|MS_NOEXEC|MS_DIRSYNC|MS_NOATIME|MS_RELATIME, "usrquota,acl,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 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) [pid 5828] creat("./file1", 000) = 4 [ 79.847232][ T5828] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 79.891899][ T5828] [ 79.894291][ T5828] ====================================================== [ 79.901317][ T5828] WARNING: possible circular locking dependency detected [ 79.908358][ T5828] 6.14.0-rc7-syzkaller-00179-gb3ee1e460951 #0 Not tainted [ 79.915532][ T5828] ------------------------------------------------------ [ 79.922567][ T5828] syz-executor364/5828 is trying to acquire lock: [ 79.929014][ T5828] ffff888078360660 (&oi->ip_alloc_sem){+.+.}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 79.939682][ T5828] [ 79.939682][ T5828] but task is already holding lock: [ 79.947051][ T5828] ffff8880783606f8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa5/0x330 [ 79.957683][ T5828] [ 79.957683][ T5828] which lock already depends on the new lock. [ 79.957683][ T5828] [ 79.968090][ T5828] [ 79.968090][ T5828] the existing dependency chain (in reverse order) is: [ 79.977106][ T5828] [ 79.977106][ T5828] -> #4 (&oi->ip_xattr_sem){++++}-{4:4}: [ 79.984940][ T5828] lock_acquire+0x1ed/0x550 [ 79.989983][ T5828] down_read+0xb1/0xa40 [ 79.994716][ T5828] ocfs2_init_acl+0x397/0x930 [ 79.999927][ T5828] ocfs2_mknod+0x1c05/0x2b30 [ 80.005042][ T5828] ocfs2_create+0x1ab/0x470 [ 80.010078][ T5828] path_openat+0x193c/0x3590 [ 80.015196][ T5828] do_filp_open+0x27f/0x4e0 [ 80.020229][ T5828] do_sys_openat2+0x13e/0x1d0 [ 80.025437][ T5828] __x64_sys_creat+0x123/0x170 [ 80.030738][ T5828] do_syscall_64+0xf3/0x230 [ 80.035774][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.042199][ T5828] [ 80.042199][ T5828] -> #3 (jbd2_handle){.+.+}-{0:0}: [ 80.049550][ T5828] lock_acquire+0x1ed/0x550 [ 80.054586][ T5828] start_this_handle+0x1eb4/0x2110 [ 80.060238][ T5828] jbd2__journal_start+0x2da/0x5d0 [ 80.065884][ T5828] jbd2_journal_start+0x29/0x40 [ 80.071265][ T5828] ocfs2_start_trans+0x3c9/0x700 [ 80.076822][ T5828] ocfs2_modify_bh+0xed/0x4d0 [ 80.082024][ T5828] ocfs2_local_read_info+0x158f/0x19f0 [ 80.088008][ T5828] dquot_load_quota_sb+0x762/0xbb0 [ 80.093643][ T5828] dquot_load_quota_inode+0x320/0x600 [ 80.099538][ T5828] ocfs2_enable_quotas+0x169/0x450 [ 80.105183][ T5828] ocfs2_fill_super+0x5ce8/0x74d0 [ 80.110736][ T5828] get_tree_bdev_flags+0x48c/0x5c0 [ 80.116379][ T5828] vfs_get_tree+0x90/0x2b0 [ 80.121327][ T5828] do_new_mount+0x2be/0xb40 [ 80.126354][ T5828] __se_sys_mount+0x2d6/0x3c0 [ 80.131554][ T5828] do_syscall_64+0xf3/0x230 [ 80.136589][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.143011][ T5828] [ 80.143011][ T5828] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 80.151546][ T5828] lock_acquire+0x1ed/0x550 [ 80.156583][ T5828] down_read+0xb1/0xa40 [ 80.161265][ T5828] ocfs2_start_trans+0x3be/0x700 [ 80.166733][ T5828] ocfs2_modify_bh+0xed/0x4d0 [ 80.171939][ T5828] ocfs2_local_read_info+0x158f/0x19f0 [ 80.177949][ T5828] dquot_load_quota_sb+0x762/0xbb0 [ 80.183584][ T5828] dquot_load_quota_inode+0x320/0x600 [ 80.189481][ T5828] ocfs2_enable_quotas+0x169/0x450 [ 80.195123][ T5828] ocfs2_fill_super+0x5ce8/0x74d0 [ 80.200687][ T5828] get_tree_bdev_flags+0x48c/0x5c0 [ 80.206331][ T5828] vfs_get_tree+0x90/0x2b0 [ 80.211274][ T5828] do_new_mount+0x2be/0xb40 [ 80.216327][ T5828] __se_sys_mount+0x2d6/0x3c0 [ 80.221616][ T5828] do_syscall_64+0xf3/0x230 [ 80.226653][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.233081][ T5828] [ 80.233081][ T5828] -> #1 (sb_internal#2){.+.+}-{0:0}: [ 80.240572][ T5828] lock_acquire+0x1ed/0x550 [ 80.245609][ T5828] ocfs2_start_trans+0x2b9/0x700 [ 80.251076][ T5828] ocfs2_truncate_file+0x69a/0x1560 [ 80.256805][ T5828] ocfs2_setattr+0x1890/0x1ef0 [ 80.262100][ T5828] notify_change+0xbca/0xe90 [ 80.267223][ T5828] do_truncate+0x220/0x310 [ 80.272165][ T5828] path_openat+0x2e1b/0x3590 [ 80.277282][ T5828] do_filp_open+0x27f/0x4e0 [ 80.282311][ T5828] do_sys_openat2+0x13e/0x1d0 [ 80.287511][ T5828] __x64_sys_creat+0x123/0x170 [ 80.292798][ T5828] do_syscall_64+0xf3/0x230 [ 80.297836][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.304260][ T5828] [ 80.304260][ T5828] -> #0 (&oi->ip_alloc_sem){+.+.}-{4:4}: [ 80.312089][ T5828] validate_chain+0x18ef/0x5920 [ 80.317553][ T5828] __lock_acquire+0x1397/0x2100 [ 80.322934][ T5828] lock_acquire+0x1ed/0x550 [ 80.327965][ T5828] down_write+0x99/0x220 [ 80.332728][ T5828] ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 80.339237][ T5828] ocfs2_truncate_file+0xe1b/0x1560 [ 80.344970][ T5828] ocfs2_setattr+0x1890/0x1ef0 [ 80.350264][ T5828] notify_change+0xbca/0xe90 [ 80.355382][ T5828] do_truncate+0x220/0x310 [ 80.360325][ T5828] path_openat+0x2e1b/0x3590 [ 80.365449][ T5828] do_filp_open+0x27f/0x4e0 [ 80.370478][ T5828] do_sys_openat2+0x13e/0x1d0 [ 80.375681][ T5828] __x64_sys_creat+0x123/0x170 [ 80.380973][ T5828] do_syscall_64+0xf3/0x230 [ 80.386096][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.392523][ T5828] [ 80.392523][ T5828] other info that might help us debug this: [ 80.392523][ T5828] [ 80.402752][ T5828] Chain exists of: [ 80.402752][ T5828] &oi->ip_alloc_sem --> jbd2_handle --> &oi->ip_xattr_sem [ 80.402752][ T5828] [ 80.415808][ T5828] Possible unsafe locking scenario: [ 80.415808][ T5828] [ 80.423258][ T5828] CPU0 CPU1 [ 80.428623][ T5828] ---- ---- [ 80.433985][ T5828] lock(&oi->ip_xattr_sem); [ 80.438585][ T5828] lock(jbd2_handle); [ 80.445182][ T5828] lock(&oi->ip_xattr_sem); [ 80.452295][ T5828] lock(&oi->ip_alloc_sem); [ 80.456890][ T5828] [ 80.456890][ T5828] *** DEADLOCK *** [ 80.456890][ T5828] [ 80.465033][ T5828] 3 locks held by syz-executor364/5828: [ 80.470574][ T5828] #0: ffff88807f288420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 80.479746][ T5828] #1: ffff8880783609c0 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: do_truncate+0x20c/0x310 [ 80.490128][ T5828] #2: ffff8880783606f8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_try_remove_refcount_tree+0xa5/0x330 [ 80.501198][ T5828] [ 80.501198][ T5828] stack backtrace: [ 80.507102][ T5828] CPU: 0 UID: 0 PID: 5828 Comm: syz-executor364 Not tainted 6.14.0-rc7-syzkaller-00179-gb3ee1e460951 #0 [ 80.507122][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 80.507136][ T5828] Call Trace: [ 80.507145][ T5828] [ 80.507153][ T5828] dump_stack_lvl+0x241/0x360 [ 80.507173][ T5828] ? __pfx_dump_stack_lvl+0x10/0x10 [ 80.507189][ T5828] ? __pfx__printk+0x10/0x10 [ 80.507216][ T5828] print_circular_bug+0x13a/0x1b0 [ 80.507236][ T5828] check_noncircular+0x36a/0x4a0 [ 80.507254][ T5828] ? __pfx_check_noncircular+0x10/0x10 [ 80.507271][ T5828] ? lockdep_lock+0x123/0x2b0 [ 80.507296][ T5828] validate_chain+0x18ef/0x5920 [ 80.507320][ T5828] ? __pfx_validate_chain+0x10/0x10 [ 80.507335][ T5828] ? do_sys_openat2+0x13e/0x1d0 [ 80.507351][ T5828] ? do_syscall_64+0xf3/0x230 [ 80.507375][ T5828] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.507404][ T5828] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 80.507436][ T5828] ? mark_lock+0x9a/0x360 [ 80.507461][ T5828] __lock_acquire+0x1397/0x2100 [ 80.507489][ T5828] lock_acquire+0x1ed/0x550 [ 80.507511][ T5828] ? ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 80.507533][ T5828] ? __pfx_lock_acquire+0x10/0x10 [ 80.507556][ T5828] ? __pfx___might_resched+0x10/0x10 [ 80.507577][ T5828] ? ocfs2_truncate_file+0xd45/0x1560 [ 80.507601][ T5828] ? __pfx_lock_release+0x10/0x10 [ 80.507624][ T5828] down_write+0x99/0x220 [ 80.507639][ T5828] ? ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 80.507657][ T5828] ? __pfx_down_write+0x10/0x10 [ 80.507676][ T5828] ocfs2_try_remove_refcount_tree+0xb6/0x330 [ 80.507697][ T5828] ? __pfx_ocfs2_try_remove_refcount_tree+0x10/0x10 [ 80.507717][ T5828] ? ocfs2_metadata_cache_get_super+0x43/0x80 [ 80.507744][ T5828] ? ocfs2_inode_cache_get_super+0xd/0x40 [ 80.507763][ T5828] ocfs2_truncate_file+0xe1b/0x1560 [ 80.507786][ T5828] ? ocfs2_inode_lock_tracker+0x45a/0x760 [ 80.507807][ T5828] ? __pfx_ocfs2_truncate_file+0x10/0x10 [ 80.507830][ T5828] ? do_raw_spin_unlock+0x13c/0x8b0 [ 80.507851][ T5828] ? _raw_spin_unlock+0x28/0x50 [ 80.507871][ T5828] ? ocfs2_inode_lock_tracker+0x45a/0x760 [ 80.507890][ T5828] ? __pfx_ocfs2_inode_lock_tracker+0x10/0x10 [ 80.507906][ T5828] ? ocfs2_rw_lock+0x13e/0x260 [ 80.507932][ T5828] ? __pfx_ocfs2_rw_lock+0x10/0x10 [ 80.507958][ T5828] ? jbd2_journal_begin_ordered_truncate+0xc0/0x160 [ 80.507979][ T5828] ocfs2_setattr+0x1890/0x1ef0 [ 80.508008][ T5828] ? __pfx_ocfs2_setattr+0x10/0x10 [ 80.508036][ T5828] ? __pfx_smack_inode_setattr+0x10/0x10 [ 80.508061][ T5828] ? current_time+0x279/0x3a0 [ 80.508080][ T5828] ? evm_inode_setattr+0x1b2/0x7d0 [ 80.508107][ T5828] ? security_inode_setattr+0xdb/0x350 [ 80.508130][ T5828] ? __pfx_ocfs2_setattr+0x10/0x10 [ 80.508154][ T5828] notify_change+0xbca/0xe90 [ 80.508181][ T5828] do_truncate+0x220/0x310 [ 80.508202][ T5828] ? __pfx_do_truncate+0x10/0x10 [ 80.508229][ T5828] path_openat+0x2e1b/0x3590 [ 80.508260][ T5828] ? __pfx_path_openat+0x10/0x10 [ 80.508287][ T5828] do_filp_open+0x27f/0x4e0 [ 80.508308][ T5828] ? __pfx_do_filp_open+0x10/0x10 [ 80.508327][ T5828] ? do_raw_spin_lock+0x14f/0x370 [ 80.508358][ T5828] do_sys_openat2+0x13e/0x1d0 [ 80.508374][ T5828] ? _raw_spin_unlock_irq+0x23/0x50 [ 80.508395][ T5828] ? __pfx_do_sys_openat2+0x10/0x10 [ 80.508411][ T5828] ? ptrace_notify+0x27f/0x380 [ 80.508435][ T5828] __x64_sys_creat+0x123/0x170 [ 80.508452][ T5828] ? __pfx___x64_sys_creat+0x10/0x10 [ 80.508471][ T5828] ? do_syscall_64+0x100/0x230 [ 80.508498][ T5828] do_syscall_64+0xf3/0x230 [ 80.508523][ T5828] ? clear_bhb_loop+0x35/0x90 [ 80.508547][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.508578][ T5828] RIP: 0033:0x7f9f92b9eb99 [ 80.508597][ 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 [pid 5828] creat("./file1", 000) = 5 [pid 5828] creat("./file1", 000) = 6 [pid 5828] creat("./file1", 000) = 7 [pid 5828] creat("./file1", 000) = 8 [pid 5828] creat("./file1", 000) = 9 [pid 5828] creat("./file1", 000) = 10 [pid 5828] creat("./file1", 000) = 11 [ 80.508610][ T5828] RSP: 002b:00007ffef6612a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 80.508627][ T5828] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f9f92b9eb99 [ 80.508639][ T5828] RDX: 00007f9f92b9eb99 RSI: 0000000000000000 RDI: 0000200000000040 [ 80.508649][ T5828] RBP: 0000200000000040 R08: 0000555565bf04c0 R09: 0000555565bf04c0 [ 80.508661][ T5828] R10: 00000000000046fd R11: 0000000000000246 R12: 00007ffef6612a60 [ 80.508671][ T5828] R13: 00007ffef6612c88 R14: 431bde82d7b634db R15: 00007f9f92be703b [ 80.508690][ T5828] [pid 5828] creat("./file1", 000) = 12 [pid 5828] creat("./file1", 000) = 13 [pid 5828] creat("./file1", 000) = 14 [pid 5828] creat("./file1", 000) = 15 [pid 5828] creat("./file1", 000) = 16 [pid 5828] creat("./file1", 000) = 17 [pid 5828] creat("./file1", 000) = 18 [pid 5828] creat("./file1", 000) = 19 [pid 5828] creat("./file1", 000) = 20 [pid 5828] creat("./file1", 000) = 21 [pid 5828] creat("./file1", 000) = 22 [pid 5828] creat("./file1", 000) = 23 [pid 5828] creat("./file1", 000) = 24 [pid 5828] creat("./file1", 000) = 25 [pid 5828] creat("./file1", 000) = 26 [pid 5828] creat("./file1", 000) = 27 [pid 5828] creat("./file1", 000) = 28 [pid 5828] creat("./file1", 000) = 29 [pid 5828] creat("./file1", 000) = 30 [pid 5828] creat("./file1", 000) = 31 [pid 5828] creat("./file1", 000) = 32 [pid 5828] creat("./file1", 000) = 33 [pid 5828] creat("./file1", 000) = 34 [pid 5828] creat("./file1", 000) = 35 [pid 5828] creat("./file1", 000) = 36 [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=3 /* 0.03 s */, si_stime=26 /* 0.26 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(0x555565bef660, 24) = 0 [pid 5827] <... clone resumed>, child_tidptr=0x555565bef650) = 5832 [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 [pid 5832] write(1, "executing program\n", 18executing program ) = 18 [pid 5832] memfd_create("syzkaller", 0) = 3 [pid 5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5832] close(3) = 0 [pid 5832] creat("./file1", 000) = 3 [pid 5832] creat("./file1", 000) = 4 [pid 5832] creat("./file1", 000) = 5 [pid 5832] creat("./file1", 000) = 6 [pid 5832] creat("./file1", 000) = 7 [pid 5832] creat("./file1", 000) = 8 [pid 5832] creat("./file1", 000) = 9 [pid 5832] creat("./file1", 000) = 10 [pid 5832] creat("./file1", 000) = 11 [pid 5832] creat("./file1", 000) = 12 [pid 5832] creat("./file1", 000) = 13 [pid 5832] creat("./file1", 000) = 14 [pid 5832] creat("./file1", 000) = 15 [pid 5832] creat("./file1", 000) = 16 [pid 5832] creat("./file1", 000) = 17 [pid 5832] creat("./file1", 000) = 18 [pid 5832] creat("./file1", 000) = 19 [pid 5832] creat("./file1", 000) = 20 [pid 5832] creat("./file1", 000) = 21 [pid 5832] creat("./file1", 000) = 22 [pid 5832] creat("./file1", 000) = 23 [pid 5832] creat("./file1", 000) = 24 [pid 5832] creat("./file1", 000) = 25 [pid 5832] creat("./file1", 000) = 26 [pid 5832] creat("./file1", 000) = 27 [pid 5832] creat("./file1", 000) = 28 [pid 5832] creat("./file1", 000) = 29 [pid 5832] creat("./file1", 000) = 30 [pid 5832] creat("./file1", 000) = 31 [pid 5832] creat("./file1", 000) = 32 [pid 5832] creat("./file1", 000) = 33 [pid 5832] creat("./file1", 000) = 34 [pid 5832] creat("./file1", 000) = 35 [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=15 /* 0.15 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5833 attached , child_tidptr=0x555565bef650) = 5833 [pid 5833] set_robust_list(0x555565bef660, 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) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] close(3) = 0 [pid 5833] creat("./file1", 000) = 3 [pid 5833] creat("./file1", 000) = 4 [pid 5833] creat("./file1", 000) = 5 [pid 5833] creat("./file1", 000) = 6 [pid 5833] creat("./file1", 000) = 7 [pid 5833] creat("./file1", 000) = 8 [pid 5833] creat("./file1", 000) = 9 [pid 5833] creat("./file1", 000) = 10 [pid 5833] creat("./file1", 000) = 11 [pid 5833] creat("./file1", 000) = 12 [pid 5833] creat("./file1", 000) = 13 [pid 5833] creat("./file1", 000) = 14 [pid 5833] creat("./file1", 000) = 15 [pid 5833] creat("./file1", 000) = 16 [pid 5833] creat("./file1", 000) = 17 [pid 5833] creat("./file1", 000) = 18 [pid 5833] creat("./file1", 000) = 19 [pid 5833] creat("./file1", 000) = 20 [pid 5833] creat("./file1", 000) = 21 [pid 5833] creat("./file1", 000) = 22 [pid 5833] creat("./file1", 000) = 23 [pid 5833] creat("./file1", 000) = 24 [pid 5833] creat("./file1", 000) = 25 [pid 5833] creat("./file1", 000) = 26 [pid 5833] creat("./file1", 000) = 27 [pid 5833] creat("./file1", 000) = 28 [pid 5833] creat("./file1", 000) = 29 [pid 5833] creat("./file1", 000) = 30 [pid 5833] creat("./file1", 000) = 31 [pid 5833] creat("./file1", 000) = 32 [pid 5833] creat("./file1", 000) = 33 [pid 5833] creat("./file1", 000) = 34 [pid 5833] creat("./file1", 000) = 35 [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=4 /* 0.04 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 5834 attached [pid 5834] set_robust_list(0x555565bef660, 24 [pid 5827] <... clone resumed>, child_tidptr=0x555565bef650) = 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) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5834] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5834] close(3) = 0 [pid 5834] creat("./file1", 000) = 3 [pid 5834] creat("./file1", 000) = 4 [pid 5834] creat("./file1", 000) = 5 [pid 5834] creat("./file1", 000) = 6 [pid 5834] creat("./file1", 000) = 7 [pid 5834] creat("./file1", 000) = 8 [pid 5834] creat("./file1", 000) = 9 [pid 5834] creat("./file1", 000) = 10 [pid 5834] creat("./file1", 000) = 11 [pid 5834] creat("./file1", 000) = 12 [pid 5834] creat("./file1", 000) = 13 [pid 5834] creat("./file1", 000) = 14 [pid 5834] creat("./file1", 000) = 15 [pid 5834] creat("./file1", 000) = 16 [pid 5834] creat("./file1", 000) = 17 [pid 5834] creat("./file1", 000) = 18 [pid 5834] creat("./file1", 000) = 19 [pid 5834] creat("./file1", 000) = 20 [pid 5834] creat("./file1", 000) = 21 [pid 5834] creat("./file1", 000) = 22 [pid 5834] creat("./file1", 000) = 23 [pid 5834] creat("./file1", 000) = 24 [pid 5834] creat("./file1", 000) = 25 [pid 5834] creat("./file1", 000) = 26 [pid 5834] creat("./file1", 000) = 27 [pid 5834] creat("./file1", 000) = 28 [pid 5834] creat("./file1", 000) = 29 [pid 5834] creat("./file1", 000) = 30 [pid 5834] creat("./file1", 000) = 31 [pid 5834] creat("./file1", 000) = 32 [pid 5834] creat("./file1", 000) = 33 [pid 5834] creat("./file1", 000) = 34 [pid 5834] creat("./file1", 000) = 35 [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=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached , child_tidptr=0x555565bef650) = 5835 [pid 5835] set_robust_list(0x555565bef660, 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) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5835] close(3) = 0 [pid 5835] creat("./file1", 000) = 3 [pid 5835] creat("./file1", 000) = 4 [pid 5835] creat("./file1", 000) = 5 [pid 5835] creat("./file1", 000) = 6 [pid 5835] creat("./file1", 000) = 7 [pid 5835] creat("./file1", 000) = 8 [pid 5835] creat("./file1", 000) = 9 [pid 5835] creat("./file1", 000) = 10 [pid 5835] creat("./file1", 000) = 11 [pid 5835] creat("./file1", 000) = 12 [pid 5835] creat("./file1", 000) = 13 [pid 5835] creat("./file1", 000) = 14 [pid 5835] creat("./file1", 000) = 15 [pid 5835] creat("./file1", 000) = 16 [pid 5835] creat("./file1", 000) = 17 [pid 5835] creat("./file1", 000) = 18 [pid 5835] creat("./file1", 000) = 19 [pid 5835] creat("./file1", 000) = 20 [pid 5835] creat("./file1", 000) = 21 [pid 5835] creat("./file1", 000) = 22 [pid 5835] creat("./file1", 000) = 23 [pid 5835] creat("./file1", 000) = 24 [pid 5835] creat("./file1", 000) = 25 [pid 5835] creat("./file1", 000) = 26 [pid 5835] creat("./file1", 000) = 27 [pid 5835] creat("./file1", 000) = 28 [pid 5835] creat("./file1", 000) = 29 [pid 5835] creat("./file1", 000) = 30 [pid 5835] creat("./file1", 000) = 31 [pid 5835] creat("./file1", 000) = 32 [pid 5835] creat("./file1", 000) = 33 [pid 5835] creat("./file1", 000) = 34 [pid 5835] creat("./file1", 000) = 35 [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=3 /* 0.03 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5836 attached [pid 5836] set_robust_list(0x555565bef660, 24 [pid 5827] <... clone resumed>, child_tidptr=0x555565bef650) = 5836 [pid 5836] <... set_robust_list resumed>) = 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) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5836] close(3) = 0 [pid 5836] creat("./file1", 000) = 3 [pid 5836] creat("./file1", 000) = 4 [pid 5836] creat("./file1", 000) = 5 [pid 5836] creat("./file1", 000) = 6 [pid 5836] creat("./file1", 000) = 7 [pid 5836] creat("./file1", 000) = 8 [pid 5836] creat("./file1", 000) = 9 [pid 5836] creat("./file1", 000) = 10 [pid 5836] creat("./file1", 000) = 11 [pid 5836] creat("./file1", 000) = 12 [pid 5836] creat("./file1", 000) = 13 [pid 5836] creat("./file1", 000) = 14 [pid 5836] creat("./file1", 000) = 15 [pid 5836] creat("./file1", 000) = 16 [pid 5836] creat("./file1", 000) = 17 [pid 5836] creat("./file1", 000) = 18 [pid 5836] creat("./file1", 000) = 19 [pid 5836] creat("./file1", 000) = 20 [pid 5836] creat("./file1", 000) = 21 [pid 5836] creat("./file1", 000) = 22 [pid 5836] creat("./file1", 000) = 23 [pid 5836] creat("./file1", 000) = 24 [pid 5836] creat("./file1", 000) = 25 [pid 5836] creat("./file1", 000) = 26 [pid 5836] creat("./file1", 000) = 27 [pid 5836] creat("./file1", 000) = 28 [pid 5836] creat("./file1", 000) = 29 [pid 5836] creat("./file1", 000) = 30 [pid 5836] creat("./file1", 000) = 31 [pid 5836] creat("./file1", 000) = 32 [pid 5836] creat("./file1", 000) = 33 [pid 5836] creat("./file1", 000) = 34 [pid 5836] creat("./file1", 000) = 35 [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=4 /* 0.04 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5837 attached [pid 5837] set_robust_list(0x555565bef660, 24 [pid 5827] <... clone resumed>, child_tidptr=0x555565bef650) = 5837 [pid 5837] <... set_robust_list resumed>) = 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 [pid 5837] write(1, "executing program\n", 18executing program ) = 18 [pid 5837] memfd_create("syzkaller", 0) = 3 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5837] close(3) = 0 [pid 5837] creat("./file1", 000) = 3 [pid 5837] creat("./file1", 000) = 4 [pid 5837] creat("./file1", 000) = 5 [pid 5837] creat("./file1", 000) = 6 [pid 5837] creat("./file1", 000) = 7 [pid 5837] creat("./file1", 000) = 8 [pid 5837] creat("./file1", 000) = 9 [pid 5837] creat("./file1", 000) = 10 [pid 5837] creat("./file1", 000) = 11 [pid 5837] creat("./file1", 000) = 12 [pid 5837] creat("./file1", 000) = 13 [pid 5837] creat("./file1", 000) = 14 [pid 5837] creat("./file1", 000) = 15 [pid 5837] creat("./file1", 000) = 16 [pid 5837] creat("./file1", 000) = 17 [pid 5837] creat("./file1", 000) = 18 [pid 5837] creat("./file1", 000) = 19 [pid 5837] creat("./file1", 000) = 20 [pid 5837] creat("./file1", 000) = 21 [pid 5837] creat("./file1", 000) = 22 [pid 5837] creat("./file1", 000) = 23 [pid 5837] creat("./file1", 000) = 24 [pid 5837] creat("./file1", 000) = 25 [pid 5837] creat("./file1", 000) = 26 [pid 5837] creat("./file1", 000) = 27 [pid 5837] creat("./file1", 000) = 28 [pid 5837] creat("./file1", 000) = 29 [pid 5837] creat("./file1", 000) = 30 [pid 5837] creat("./file1", 000) = 31 [pid 5837] creat("./file1", 000) = 32 [pid 5837] creat("./file1", 000) = 33 [pid 5837] creat("./file1", 000) = 34 [pid 5837] creat("./file1", 000) = 35 [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=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached , child_tidptr=0x555565bef650) = 5838 [pid 5838] set_robust_list(0x555565bef660, 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 executing program [pid 5838] write(1, "executing program\n", 18) = 18 [pid 5838] memfd_create("syzkaller", 0) = 3 [pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5838] close(3) = 0 [pid 5838] creat("./file1", 000) = 3 [pid 5838] creat("./file1", 000) = 4 [pid 5838] creat("./file1", 000) = 5 [pid 5838] creat("./file1", 000) = 6 [pid 5838] creat("./file1", 000) = 7 [pid 5838] creat("./file1", 000) = 8 [pid 5838] creat("./file1", 000) = 9 [pid 5838] creat("./file1", 000) = 10 [pid 5838] creat("./file1", 000) = 11 [pid 5838] creat("./file1", 000) = 12 [pid 5838] creat("./file1", 000) = 13 [pid 5838] creat("./file1", 000) = 14 [pid 5838] creat("./file1", 000) = 15 [pid 5838] creat("./file1", 000) = 16 [pid 5838] creat("./file1", 000) = 17 [pid 5838] creat("./file1", 000) = 18 [pid 5838] creat("./file1", 000) = 19 [pid 5838] creat("./file1", 000) = 20 [pid 5838] creat("./file1", 000) = 21 [pid 5838] creat("./file1", 000) = 22 [pid 5838] creat("./file1", 000) = 23 [pid 5838] creat("./file1", 000) = 24 [pid 5838] creat("./file1", 000) = 25 [pid 5838] creat("./file1", 000) = 26 [pid 5838] creat("./file1", 000) = 27 [pid 5838] creat("./file1", 000) = 28 [pid 5838] creat("./file1", 000) = 29 [pid 5838] creat("./file1", 000) = 30 [pid 5838] creat("./file1", 000) = 31 [pid 5838] creat("./file1", 000) = 32 [pid 5838] creat("./file1", 000) = 33 [pid 5838] creat("./file1", 000) = 34 [pid 5838] creat("./file1", 000) = 35 [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=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5839 attached , child_tidptr=0x555565bef650) = 5839 [pid 5839] set_robust_list(0x555565bef660, 24) = 0 [pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5839] setpgid(0, 0) = 0 [pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5839] write(3, "1000", 4) = 4 [pid 5839] close(3) = 0 executing program [pid 5839] write(1, "executing program\n", 18) = 18 [pid 5839] memfd_create("syzkaller", 0) = 3 [pid 5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5839] close(3) = 0 [pid 5839] creat("./file1", 000) = 3 [pid 5839] creat("./file1", 000) = 4 [pid 5839] creat("./file1", 000) = 5 [pid 5839] creat("./file1", 000) = 6 [pid 5839] creat("./file1", 000) = 7 [pid 5839] creat("./file1", 000) = 8 [pid 5839] creat("./file1", 000) = 9 [pid 5839] creat("./file1", 000) = 10 [pid 5839] creat("./file1", 000) = 11 [pid 5839] creat("./file1", 000) = 12 [pid 5839] creat("./file1", 000) = 13 [pid 5839] creat("./file1", 000) = 14 [pid 5839] creat("./file1", 000) = 15 [pid 5839] creat("./file1", 000) = 16 [pid 5839] creat("./file1", 000) = 17 [pid 5839] creat("./file1", 000) = 18 [pid 5839] creat("./file1", 000) = 19 [pid 5839] creat("./file1", 000) = 20 [pid 5839] creat("./file1", 000) = 21 [pid 5839] creat("./file1", 000) = 22 [pid 5839] creat("./file1", 000) = 23 [pid 5839] creat("./file1", 000) = 24 [pid 5839] creat("./file1", 000) = 25 [pid 5839] creat("./file1", 000) = 26 [pid 5839] creat("./file1", 000) = 27 [pid 5839] creat("./file1", 000) = 28 [pid 5839] creat("./file1", 000) = 29 [pid 5839] creat("./file1", 000) = 30 [pid 5839] creat("./file1", 000) = 31 [pid 5839] creat("./file1", 000) = 32 [pid 5839] creat("./file1", 000) = 33 [pid 5839] creat("./file1", 000) = 34 [pid 5839] creat("./file1", 000) = 35 [pid 5839] exit_group(0) = ? [pid 5839] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=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 5840 attached , child_tidptr=0x555565bef650) = 5840 [pid 5840] set_robust_list(0x555565bef660, 24) = 0 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5840] setpgid(0, 0) = 0 [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1000", 4) = 4 [pid 5840] close(3) = 0 executing program [pid 5840] write(1, "executing program\n", 18) = 18 [pid 5840] memfd_create("syzkaller", 0) = 3 [pid 5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5840] close(3) = 0 [pid 5840] creat("./file1", 000) = 3 [pid 5840] creat("./file1", 000) = 4 [pid 5840] creat("./file1", 000) = 5 [pid 5840] creat("./file1", 000) = 6 [pid 5840] creat("./file1", 000) = 7 [pid 5840] creat("./file1", 000) = 8 [pid 5840] creat("./file1", 000) = 9 [pid 5840] creat("./file1", 000) = 10 [pid 5840] creat("./file1", 000) = 11 [pid 5840] creat("./file1", 000) = 12 [pid 5840] creat("./file1", 000) = 13 [pid 5840] creat("./file1", 000) = 14 [pid 5840] creat("./file1", 000) = 15 [pid 5840] creat("./file1", 000) = 16 [pid 5840] creat("./file1", 000) = 17 [pid 5840] creat("./file1", 000) = 18 [pid 5840] creat("./file1", 000) = 19 [pid 5840] creat("./file1", 000) = 20 [pid 5840] creat("./file1", 000) = 21 [pid 5840] creat("./file1", 000) = 22 [pid 5840] creat("./file1", 000) = 23 [pid 5840] creat("./file1", 000) = 24 [pid 5840] creat("./file1", 000) = 25 [pid 5840] creat("./file1", 000) = 26 [pid 5840] creat("./file1", 000) = 27 [pid 5840] creat("./file1", 000) = 28 [pid 5840] creat("./file1", 000) = 29 [pid 5840] creat("./file1", 000) = 30 [pid 5840] creat("./file1", 000) = 31 [pid 5840] creat("./file1", 000) = 32 [pid 5840] creat("./file1", 000) = 33 [pid 5840] creat("./file1", 000) = 34 [pid 5840] creat("./file1", 000) = 35 [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=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached , child_tidptr=0x555565bef650) = 5841 [pid 5841] set_robust_list(0x555565bef660, 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) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5841] close(3) = 0 [pid 5841] creat("./file1", 000) = 3 [pid 5841] creat("./file1", 000) = 4 [pid 5841] creat("./file1", 000) = 5 [pid 5841] creat("./file1", 000) = 6 [pid 5841] creat("./file1", 000) = 7 [pid 5841] creat("./file1", 000) = 8 [pid 5841] creat("./file1", 000) = 9 [pid 5841] creat("./file1", 000) = 10 [pid 5841] creat("./file1", 000) = 11 [pid 5841] creat("./file1", 000) = 12 [pid 5841] creat("./file1", 000) = 13 [pid 5841] creat("./file1", 000) = 14 [pid 5841] creat("./file1", 000) = 15 [pid 5841] creat("./file1", 000) = 16 [pid 5841] creat("./file1", 000) = 17 [pid 5841] creat("./file1", 000) = 18 [pid 5841] creat("./file1", 000) = 19 [pid 5841] creat("./file1", 000) = 20 [pid 5841] creat("./file1", 000) = 21 [pid 5841] creat("./file1", 000) = 22 [pid 5841] creat("./file1", 000) = 23 [pid 5841] creat("./file1", 000) = 24 [pid 5841] creat("./file1", 000) = 25 [pid 5841] creat("./file1", 000) = 26 [pid 5841] creat("./file1", 000) = 27 [pid 5841] creat("./file1", 000) = 28 [pid 5841] creat("./file1", 000) = 29 [pid 5841] creat("./file1", 000) = 30 [pid 5841] creat("./file1", 000) = 31 [pid 5841] creat("./file1", 000) = 32 [pid 5841] creat("./file1", 000) = 33 [pid 5841] creat("./file1", 000) = 34 [pid 5841] creat("./file1", 000) = 35 [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=14 /* 0.14 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5842 attached , child_tidptr=0x555565bef650) = 5842 [pid 5842] set_robust_list(0x555565bef660, 24) = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] setpgid(0, 0) = 0 [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1000", 4) = 4 [pid 5842] close(3) = 0 executing program [pid 5842] write(1, "executing program\n", 18) = 18 [pid 5842] memfd_create("syzkaller", 0) = 3 [pid 5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5842] close(3) = 0 [pid 5842] creat("./file1", 000) = 3 [pid 5842] creat("./file1", 000) = 4 [pid 5842] creat("./file1", 000) = 5 [pid 5842] creat("./file1", 000) = 6 [pid 5842] creat("./file1", 000) = 7 [pid 5842] creat("./file1", 000) = 8 [pid 5842] creat("./file1", 000) = 9 [pid 5842] creat("./file1", 000) = 10 [pid 5842] creat("./file1", 000) = 11 [pid 5842] creat("./file1", 000) = 12 [pid 5842] creat("./file1", 000) = 13 [pid 5842] creat("./file1", 000) = 14 [pid 5842] creat("./file1", 000) = 15 [pid 5842] creat("./file1", 000) = 16 [pid 5842] creat("./file1", 000) = 17 [pid 5842] creat("./file1", 000) = 18 [pid 5842] creat("./file1", 000) = 19 [pid 5842] creat("./file1", 000) = 20 [pid 5842] creat("./file1", 000) = 21 [pid 5842] creat("./file1", 000) = 22 [pid 5842] creat("./file1", 000) = 23 [pid 5842] creat("./file1", 000) = 24 [pid 5842] creat("./file1", 000) = 25 [pid 5842] creat("./file1", 000) = 26 [pid 5842] creat("./file1", 000) = 27 [pid 5842] creat("./file1", 000) = 28 [pid 5842] creat("./file1", 000) = 29 [pid 5842] creat("./file1", 000) = 30 [pid 5842] creat("./file1", 000) = 31 [pid 5842] creat("./file1", 000) = 32 [pid 5842] creat("./file1", 000) = 33 [pid 5842] creat("./file1", 000) = 34 [pid 5842] creat("./file1", 000) = 35 [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=14 /* 0.14 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached , child_tidptr=0x555565bef650) = 5843 [pid 5843] set_robust_list(0x555565bef660, 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 [pid 5843] write(1, "executing program\n", 18executing program ) = 18 [pid 5843] memfd_create("syzkaller", 0) = 3 [pid 5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5843] close(3) = 0 [pid 5843] creat("./file1", 000) = 3 [pid 5843] creat("./file1", 000) = 4 [pid 5843] creat("./file1", 000) = 5 [pid 5843] creat("./file1", 000) = 6 [pid 5843] creat("./file1", 000) = 7 [pid 5843] creat("./file1", 000) = 8 [pid 5843] creat("./file1", 000) = 9 [pid 5843] creat("./file1", 000) = 10 [pid 5843] creat("./file1", 000) = 11 [pid 5843] creat("./file1", 000) = 12 [pid 5843] creat("./file1", 000) = 13 [pid 5843] creat("./file1", 000) = 14 [pid 5843] creat("./file1", 000) = 15 [pid 5843] creat("./file1", 000) = 16 [pid 5843] creat("./file1", 000) = 17 [pid 5843] creat("./file1", 000) = 18 [pid 5843] creat("./file1", 000) = 19 [pid 5843] creat("./file1", 000) = 20 [pid 5843] creat("./file1", 000) = 21 [pid 5843] creat("./file1", 000) = 22 [pid 5843] creat("./file1", 000) = 23 [pid 5843] creat("./file1", 000) = 24 [pid 5843] creat("./file1", 000) = 25 [pid 5843] creat("./file1", 000) = 26 [pid 5843] creat("./file1", 000) = 27 [pid 5843] creat("./file1", 000) = 28 [pid 5843] creat("./file1", 000) = 29 [pid 5843] creat("./file1", 000) = 30 [pid 5843] creat("./file1", 000) = 31 [pid 5843] creat("./file1", 000) = 32 [pid 5843] creat("./file1", 000) = 33 [pid 5843] creat("./file1", 000) = 34 [pid 5843] creat("./file1", 000) = 35 [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=5 /* 0.05 s */, si_stime=11 /* 0.11 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5844 attached , child_tidptr=0x555565bef650) = 5844 [pid 5844] set_robust_list(0x555565bef660, 24) = 0 [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5844] setpgid(0, 0) = 0 [pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5844] write(3, "1000", 4) = 4 [pid 5844] close(3) = 0 [pid 5844] write(1, "executing program\n", 18executing program ) = 18 [pid 5844] memfd_create("syzkaller", 0) = 3 [pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5844] close(3) = 0 [pid 5844] creat("./file1", 000) = 3 [pid 5844] creat("./file1", 000) = 4 [pid 5844] creat("./file1", 000) = 5 [pid 5844] creat("./file1", 000) = 6 [pid 5844] creat("./file1", 000) = 7 [pid 5844] creat("./file1", 000) = 8 [pid 5844] creat("./file1", 000) = 9 [pid 5844] creat("./file1", 000) = 10 [pid 5844] creat("./file1", 000) = 11 [pid 5844] creat("./file1", 000) = 12 [pid 5844] creat("./file1", 000) = 13 [pid 5844] creat("./file1", 000) = 14 [pid 5844] creat("./file1", 000) = 15 [pid 5844] creat("./file1", 000) = 16 [pid 5844] creat("./file1", 000) = 17 [pid 5844] creat("./file1", 000) = 18 [pid 5844] creat("./file1", 000) = 19 [pid 5844] creat("./file1", 000) = 20 [pid 5844] creat("./file1", 000) = 21 [pid 5844] creat("./file1", 000) = 22 [pid 5844] creat("./file1", 000) = 23 [pid 5844] creat("./file1", 000) = 24 [pid 5844] creat("./file1", 000) = 25 [pid 5844] creat("./file1", 000) = 26 [pid 5844] creat("./file1", 000) = 27 [pid 5844] creat("./file1", 000) = 28 [pid 5844] creat("./file1", 000) = 29 [pid 5844] creat("./file1", 000) = 30 [pid 5844] creat("./file1", 000) = 31 [pid 5844] creat("./file1", 000) = 32 [pid 5844] creat("./file1", 000) = 33 [pid 5844] creat("./file1", 000) = 34 [pid 5844] creat("./file1", 000) = 35 [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=2 /* 0.02 s */, si_stime=15 /* 0.15 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5845 attached , child_tidptr=0x555565bef650) = 5845 [pid 5845] set_robust_list(0x555565bef660, 24) = 0 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5845] setpgid(0, 0) = 0 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "1000", 4) = 4 [pid 5845] close(3) = 0 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) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5845] close(3) = 0 [pid 5845] creat("./file1", 000) = 3 [pid 5845] creat("./file1", 000) = 4 [pid 5845] creat("./file1", 000) = 5 [pid 5845] creat("./file1", 000) = 6 [pid 5845] creat("./file1", 000) = 7 [pid 5845] creat("./file1", 000) = 8 [pid 5845] creat("./file1", 000) = 9 [pid 5845] creat("./file1", 000) = 10 [pid 5845] creat("./file1", 000) = 11 [pid 5845] creat("./file1", 000) = 12 [pid 5845] creat("./file1", 000) = 13 [pid 5845] creat("./file1", 000) = 14 [pid 5845] creat("./file1", 000) = 15 [pid 5845] creat("./file1", 000) = 16 [pid 5845] creat("./file1", 000) = 17 [pid 5845] creat("./file1", 000) = 18 [pid 5845] creat("./file1", 000) = 19 [pid 5845] creat("./file1", 000) = 20 [pid 5845] creat("./file1", 000) = 21 [pid 5845] creat("./file1", 000) = 22 [pid 5845] creat("./file1", 000) = 23 [pid 5845] creat("./file1", 000) = 24 [pid 5845] creat("./file1", 000) = 25 [pid 5845] creat("./file1", 000) = 26 [pid 5845] creat("./file1", 000) = 27 [pid 5845] creat("./file1", 000) = 28 [pid 5845] creat("./file1", 000) = 29 [pid 5845] creat("./file1", 000) = 30 [pid 5845] creat("./file1", 000) = 31 [pid 5845] creat("./file1", 000) = 32 [pid 5845] creat("./file1", 000) = 33 [pid 5845] creat("./file1", 000) = 34 [pid 5845] creat("./file1", 000) = 35 [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=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5846 attached , child_tidptr=0x555565bef650) = 5846 [pid 5846] set_robust_list(0x555565bef660, 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) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] close(3) = 0 [pid 5846] creat("./file1", 000) = 3 [pid 5846] creat("./file1", 000) = 4 [pid 5846] creat("./file1", 000) = 5 [pid 5846] creat("./file1", 000) = 6 [pid 5846] creat("./file1", 000) = 7 [pid 5846] creat("./file1", 000) = 8 [pid 5846] creat("./file1", 000) = 9 [pid 5846] creat("./file1", 000) = 10 [pid 5846] creat("./file1", 000) = 11 [pid 5846] creat("./file1", 000) = 12 [pid 5846] creat("./file1", 000) = 13 [pid 5846] creat("./file1", 000) = 14 [pid 5846] creat("./file1", 000) = 15 [pid 5846] creat("./file1", 000) = 16 [pid 5846] creat("./file1", 000) = 17 [pid 5846] creat("./file1", 000) = 18 [pid 5846] creat("./file1", 000) = 19 [pid 5846] creat("./file1", 000) = 20 [pid 5846] creat("./file1", 000) = 21 [pid 5846] creat("./file1", 000) = 22 [pid 5846] creat("./file1", 000) = 23 [pid 5846] creat("./file1", 000) = 24 [pid 5846] creat("./file1", 000) = 25 [pid 5846] creat("./file1", 000) = 26 [pid 5846] creat("./file1", 000) = 27 [pid 5846] creat("./file1", 000) = 28 [pid 5846] creat("./file1", 000) = 29 [pid 5846] creat("./file1", 000) = 30 [pid 5846] creat("./file1", 000) = 31 [pid 5846] creat("./file1", 000) = 32 [pid 5846] creat("./file1", 000) = 33 [pid 5846] creat("./file1", 000) = 34 [pid 5846] creat("./file1", 000) = 35 [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=3 /* 0.03 s */, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5847 attached , child_tidptr=0x555565bef650) = 5847 [pid 5847] set_robust_list(0x555565bef660, 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) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5847] close(3) = 0 [pid 5847] creat("./file1", 000) = 3 [pid 5847] creat("./file1", 000) = 4 [pid 5847] creat("./file1", 000) = 5 [pid 5847] creat("./file1", 000) = 6 [pid 5847] creat("./file1", 000) = 7 [pid 5847] creat("./file1", 000) = 8 [pid 5847] creat("./file1", 000) = 9 [pid 5847] creat("./file1", 000) = 10 [pid 5847] creat("./file1", 000) = 11 [pid 5847] creat("./file1", 000) = 12 [pid 5847] creat("./file1", 000) = 13 [pid 5847] creat("./file1", 000) = 14 [pid 5847] creat("./file1", 000) = 15 [pid 5847] creat("./file1", 000) = 16 [pid 5847] creat("./file1", 000) = 17 [pid 5847] creat("./file1", 000) = 18 [pid 5847] creat("./file1", 000) = 19 [pid 5847] creat("./file1", 000) = 20 [pid 5847] creat("./file1", 000) = 21 [pid 5847] creat("./file1", 000) = 22 [pid 5847] creat("./file1", 000) = 23 [pid 5847] creat("./file1", 000) = 24 [pid 5847] creat("./file1", 000) = 25 [pid 5847] creat("./file1", 000) = 26 [pid 5847] creat("./file1", 000) = 27 [pid 5847] creat("./file1", 000) = 28 [pid 5847] creat("./file1", 000) = 29 [pid 5847] creat("./file1", 000) = 30 [pid 5847] creat("./file1", 000) = 31 [pid 5847] creat("./file1", 000) = 32 [pid 5847] creat("./file1", 000) = 33 [pid 5847] creat("./file1", 000) = 34 [pid 5847] creat("./file1", 000) = 35 [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=4 /* 0.04 s */, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5848 attached , child_tidptr=0x555565bef650) = 5848 [pid 5848] set_robust_list(0x555565bef660, 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 [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) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5848] close(3) = 0 [pid 5848] creat("./file1", 000) = 3 [pid 5848] creat("./file1", 000) = 4 [pid 5848] creat("./file1", 000) = 5 [pid 5848] creat("./file1", 000) = 6 [pid 5848] creat("./file1", 000) = 7 [pid 5848] creat("./file1", 000) = 8 [pid 5848] creat("./file1", 000) = 9 [pid 5848] creat("./file1", 000) = 10 [pid 5848] creat("./file1", 000) = 11 [pid 5848] creat("./file1", 000) = 12 [pid 5848] creat("./file1", 000) = 13 [pid 5848] creat("./file1", 000) = 14 [pid 5848] creat("./file1", 000) = 15 [pid 5848] creat("./file1", 000) = 16 [pid 5848] creat("./file1", 000) = 17 [pid 5848] creat("./file1", 000) = 18 [pid 5848] creat("./file1", 000) = 19 [pid 5848] creat("./file1", 000) = 20 [pid 5848] creat("./file1", 000) = 21 [pid 5848] creat("./file1", 000) = 22 [pid 5848] creat("./file1", 000) = 23 [pid 5848] creat("./file1", 000) = 24 [pid 5848] creat("./file1", 000) = 25 [pid 5848] creat("./file1", 000) = 26 [pid 5848] creat("./file1", 000) = 27 [pid 5848] creat("./file1", 000) = 28 [pid 5848] creat("./file1", 000) = 29 [pid 5848] creat("./file1", 000) = 30 [pid 5848] creat("./file1", 000) = 31 [pid 5848] creat("./file1", 000) = 32 [pid 5848] creat("./file1", 000) = 33 [pid 5848] creat("./file1", 000) = 34 [pid 5848] creat("./file1", 000) = 35 [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=4 /* 0.04 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 5849 attached , child_tidptr=0x555565bef650) = 5849 [pid 5849] set_robust_list(0x555565bef660, 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 [pid 5849] write(1, "executing program\n", 18executing program ) = 18 [pid 5849] memfd_create("syzkaller", 0) = 3 [pid 5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9f8a600000 [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(0x7f9f8a600000, 138412032) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5849] close(3) = 0 [pid 5849] creat("./file1", 000) = 3 [pid 5849] creat("./file1", 000) = 4 [pid 5849] creat("./file1", 000) = 5 [pid 5849] creat("./file1", 000) = 6 [pid 5849] creat("./file1", 000) = 7 [pid 5849] creat("./file1", 000) = 8 [pid 5849] creat("./file1", 000) = 9 [pid 5849] creat("./file1", 000) = 10 [pid 5849] creat("./file1", 000) = 11 [pid 5849] creat("./file1", 000) = 12 [pid 5849] creat("./file1", 000) = 13 [pid 5849] creat("./file1", 000) = 14 [pid 5849] creat("./file1", 000) = 15 [pid 5849] creat("./file1", 000) = 16 [pid 5849] creat("./file1", 000) = 17 [pid 5849] creat("./file1", 000) = 18 [pid 5849] creat("./file1", 000) = 19 [pid 5849] creat("./file1", 000) = 20 [pid 5849] creat("./file1", 000) = 21 [pid 5849] creat("./file1", 000) = 22 [pid 5849] creat("./file1", 000) = 23 [pid 5849] creat("./file1", 000) = 24 [pid 5849] creat("./file1", 000) = 25 [pid 5849] creat("./file1", 000) = 26 [pid 5849] creat("./file1", 000) = 27 [pid 5849] creat("./file1", 000) = 28 [pid 5849] creat("./file1", 000) = 29 [pid 5849] creat("./file1", 000) = 30 [pid 5849] creat("./file1", 000) = 31 [pid 5849] creat("./file1", 000) = 32 [pid 5849] creat("./file1", 000) = 33 [pid 5849] creat("./file1", 000) = 34 [pid 5849] creat("./file1", 000) = 35 [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=3 /* 0.03 s */, si_stime=14 /* 0.14 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5850 attached , child_tidptr=0x555565bef650) = 5850 [pid 5850] set_robust_list(0x555565bef660, 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) = 0x7f9f8a600000