./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1074001064
<...>
Warning: Permanently added '10.128.1.140' (ED25519) to the list of known hosts.
execve("./syz-executor1074001064", ["./syz-executor1074001064"], 0x7ffd21e88fa0 /* 10 vars */) = 0
brk(NULL) = 0x55555e2fe000
brk(0x55555e2fed00) = 0x55555e2fed00
arch_prctl(ARCH_SET_FS, 0x55555e2fe380) = 0
set_tid_address(0x55555e2fe650) = 5083
set_robust_list(0x55555e2fe660, 24) = 0
rseq(0x55555e2feca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1074001064", 4096) = 28
getrandom("\xc3\xad\x18\xaa\xd2\x5a\x80\x20", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555e2fed00
brk(0x55555e31fd00) = 0x55555e31fd00
brk(0x55555e320000) = 0x55555e320000
mprotect(0x7f491fec4000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555e2fe650) = 5084
./strace-static-x86_64: Process 5084 attached
[pid 5084] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5084] setpgid(0, 0) = 0
[pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5084] write(3, "1000", 4) = 4
[pid 5084] close(3) = 0
[pid 5084] write(1, "executing program\n", 18executing program
) = 18
[pid 5084] memfd_create("syzkaller", 0) = 3
[pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5084] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5084] munmap(0x7f4917a00000, 138412032) = 0
[pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5084] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5084] close(3) = 0
[pid 5084] close(4) = 0
[pid 5084] mkdir("./bus", 0777) = 0
[ 78.481641][ T5084] loop0: detected capacity change from 0 to 32768
[ 78.520114][ T5084] bcachefs (/dev/loop0): error reading default superblock: checksum error, type crc32c_nonzero: got 74accfdb should be 29d2fb78
[ 78.578486][ T5084] bcachefs (loop0): mounting version 1.7: mi_btree_bitmap opts=compression=lz4,nojournal_transaction_names
[ 78.590459][ T5084] bcachefs (loop0): recovering from clean shutdown, journal seq 7
[ 78.616929][ T5084] bcachefs (loop0): alloc_read... done
[ 78.622879][ T5084] bcachefs (loop0): stripes_read... done
[ 78.628791][ T5084] bcachefs (loop0): snapshots_read... done
[ 78.639549][ T5084] bcachefs (loop0): going read-write
[ 78.647328][ T5084] bcachefs (loop0): journal_replay... done
[ 78.663760][ T5084] bcachefs (loop0): resume_logged_ops... done
[ 78.669915][ T5084] bcachefs (loop0): delete_dead_inodes... done
[pid 5084] mount("/dev/loop0", "./bus", "bcachefs", 0, "0x0000000000000000") = 0
[pid 5084] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid 5084] chdir("./bus") = 0
[pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5084] ioctl(4, LOOP_CLR_FD) = 0
[pid 5084] close(4) = 0
[ 78.678485][ T5084] bcachefs (loop0): done starting filesystem
[pid 5084] open_tree(AT_FDCWD, "./file0", 0) = 4
[ 78.734561][ T5084]
[ 78.737177][ T5084] =============================
[ 78.742031][ T5084] WARNING: suspicious RCU usage
[ 78.747086][ T5084] 6.10.0-rc7-syzkaller #0 Not tainted
[ 78.752496][ T5084] -----------------------------
[ 78.757642][ T5084] fs/bcachefs/buckets.h:107 suspicious rcu_dereference_check() usage!
[ 78.766040][ T5084]
[ 78.766040][ T5084] other info that might help us debug this:
[ 78.766040][ T5084]
[ 78.776369][ T5084]
[ 78.776369][ T5084] rcu_scheduler_active = 2, debug_locks = 1
[ 78.784675][ T5084] 9 locks held by syz-executor107/5084:
[ 78.790366][ T5084] #0: ffff88807441c420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90
[ 78.799656][ T5084] #1: ffff88807441c730 (&type->s_vfs_rename_key){+.+.}-{3:3}, at: do_renameat2+0x5cf/0x13f0
[ 78.810028][ T5084] #2: ffff88807a278150 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: lock_two_directories+0x145/0x220
[ 78.821286][ T5084] #3: ffff88807a2788b8 (&type->i_mutex_dir_key#6/5){+.+.}-{3:3}, at: lock_two_directories+0x16f/0x220
[ 78.832529][ T5084] #4: ffff888077f842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x840/0xce0
[ 78.843155][ T5084] #5: ffff88802fc93070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0
[ 78.853368][ T5084] #6: ffff88802fc93070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x675/0x9c0
[ 78.863588][ T5084] #7: ffff88807a0db340 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0
[ 78.873796][ T5084] #8: ffff88802b279870 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0
[ 78.884007][ T5084]
[ 78.884007][ T5084] stack backtrace:
[ 78.890450][ T5084] CPU: 0 PID: 5084 Comm: syz-executor107 Not tainted 6.10.0-rc7-syzkaller #0
[ 78.899241][ T5084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 78.909418][ T5084] Call Trace:
[ 78.912730][ T5084]
[ 78.915678][ T5084] dump_stack_lvl+0x241/0x360
[ 78.920413][ T5084] ? __pfx_dump_stack_lvl+0x10/0x10
[ 78.925662][ T5084] ? __pfx__printk+0x10/0x10
[ 78.930307][ T5084] lockdep_rcu_suspicious+0x221/0x340
[ 78.935706][ T5084] bch2_bucket_ref_update+0xbe1/0x1100
[ 78.941215][ T5084] ? __pfx_bch2_bucket_ref_update+0x10/0x10
[ 78.947246][ T5084] __trigger_extent+0x1524/0x6260
[ 78.952335][ T5084] ? bch2_trans_update_by_path+0x14b5/0x2000
[ 78.958417][ T5084] ? __pfx___trigger_extent+0x10/0x10
[ 78.963809][ T5084] ? __asan_memset+0x23/0x50
[ 78.968415][ T5084] ? bch2_btree_path_verify_level+0x369/0x1950
[ 78.974595][ T5084] ? bch2_trans_update_extent_overwrite+0x1f0a/0x3710
[ 78.981463][ T5084] ? __bch2_btree_node_iter_advance+0x15e/0xaa0
[ 78.987728][ T5084] ? __pfx_bch2_btree_path_verify_level+0x10/0x10
[ 78.994174][ T5084] ? bch2_btree_node_iter_advance+0x3c8/0xc70
[ 79.000268][ T5084] ? __asan_memset+0x23/0x50
[ 79.004876][ T5084] ? bch2_btree_path_verify_level+0x369/0x1950
[ 79.011051][ T5084] ? bch2_path_put+0x152/0x21d0
[ 79.015933][ T5084] ? __asan_memset+0x23/0x50
[ 79.020540][ T5084] ? bch2_btree_iter_verify_ret+0x156/0x1450
[ 79.026634][ T5084] ? bch2_trans_iter_exit+0x295/0x3e0
[ 79.032015][ T5084] ? bch2_trans_update_extent_overwrite+0x1ead/0x3710
[ 79.038797][ T5084] ? __pfx___bch2_bkey_cmp_left_packed+0x10/0x10
[ 79.045147][ T5084] ? bch2_trans_update_extent_overwrite+0x1d43/0x3710
[ 79.051958][ T5084] ? bch2_btree_trans_peek_updates+0x9a8/0xac0
[ 79.058252][ T5084] ? bch2_btree_iter_peek_upto+0x5888/0x7090
[ 79.064266][ T5084] ? bch2_btree_path_peek_slot+0x4d3/0xfe0
[ 79.070099][ T5084] ? bch2_btree_path_peek_slot+0x91d/0xfe0
[ 79.076020][ T5084] ? __pfx_bch2_btree_path_peek_slot+0x10/0x10
[ 79.082199][ T5084] ? bch2_bkey_rebalance_opts+0x290/0x340
[ 79.087951][ T5084] ? bch2_bkey_needs_rebalance+0xc9/0x110
[ 79.093778][ T5084] bch2_trigger_extent+0x636/0x920
[ 79.099001][ T5084] ? __pfx_bch2_trigger_extent+0x10/0x10
[ 79.104651][ T5084] ? btree_node_unlock+0xc0/0x250
[ 79.109689][ T5084] ? run_btree_triggers+0x54d/0x11d0
[ 79.114984][ T5084] ? __pfx_bch2_trigger_extent+0x10/0x10
[ 79.120625][ T5084] run_btree_triggers+0xadb/0x11d0
[ 79.125772][ T5084] ? __pfx_run_btree_triggers+0x10/0x10
[ 79.131347][ T5084] ? bch2_trans_update+0x1e47/0x2550
[ 79.136686][ T5084] ? __pfx_bch2_trans_update+0x10/0x10
[ 79.142172][ T5084] __bch2_trans_commit+0x3a6/0x88e0
[ 79.147401][ T5084] ? bch2_trans_update+0x502/0x2550
[ 79.152619][ T5084] ? __pfx___bch2_trans_commit+0x10/0x10
[ 79.158277][ T5084] ? lockdep_unlock+0x16a/0x300
[ 79.163135][ T5084] ? __pfx_lockdep_unlock+0x10/0x10
[ 79.168349][ T5084] ? bch2_inode_delete_keys+0x7ea/0x1440
[ 79.174082][ T5084] bch2_inode_delete_keys+0xae8/0x1440
[ 79.179596][ T5084] ? __pfx_bch2_inode_delete_keys+0x10/0x10
[ 79.185518][ T5084] ? bch2_inode_delete_keys+0x300/0x1440
[ 79.191264][ T5084] ? __bch2_trans_get+0x910/0xce0
[ 79.196410][ T5084] bch2_inode_rm+0x165/0xd40
[ 79.201047][ T5084] ? __pfx_bch2_inode_rm+0x10/0x10
[ 79.206183][ T5084] ? __pfx_flush_warnings+0x10/0x10
[ 79.211421][ T5084] ? _raw_spin_unlock_irq+0x23/0x50
[ 79.216650][ T5084] ? _raw_spin_unlock_irq+0x2e/0x50
[ 79.221882][ T5084] bch2_evict_inode+0x21c/0x3c0
[ 79.226758][ T5084] ? __pfx_bch2_evict_inode+0x10/0x10
[ 79.232144][ T5084] evict+0x2a8/0x630
[ 79.236065][ T5084] __dentry_kill+0x20d/0x630
[ 79.240676][ T5084] ? dput+0x37/0x2b0
[ 79.244586][ T5084] dput+0x19f/0x2b0
[ 79.248460][ T5084] do_renameat2+0xda1/0x13f0
[ 79.253122][ T5084] ? __pfx_do_renameat2+0x10/0x10
[ 79.258191][ T5084] ? __virt_addr_valid+0x183/0x520
[ 79.263320][ T5084] ? __virt_addr_valid+0x44e/0x520
[ 79.268444][ T5084] ? __phys_addr_symbol+0x2f/0x70
[ 79.273483][ T5084] ? __might_fault+0xc6/0x120
[ 79.278183][ T5084] ? getname_flags+0x1fe/0x4f0
[ 79.282962][ T5084] ? exc_page_fault+0x590/0x8c0
[ 79.287833][ T5084] __x64_sys_renameat2+0xd2/0xf0
[ 79.292789][ T5084] do_syscall_64+0xf3/0x230
[ 79.297310][ T5084] ? clear_bhb_loop+0x35/0x90
[ 79.302004][ T5084] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.307927][ T5084] RIP: 0033:0x7f491fe4ad59
[ 79.312365][ T5084] 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
[ 79.332122][ T5084] RSP: 002b:00007fff84583f28 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
[ 79.340560][ T5084] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f491fe4ad59
[ 79.348540][ T5084] RDX: 0000000000000004 RSI: 0000000020000080 RDI: 00000000ffffff9c
[ 79.356524][ T5084] RBP: 00007f491fec45f0 R08: 0000000000000000 R09: 000055555e2ff4c0
[ 79.364505][ T5084] R10: 0000000020000980 R11: 0000000000000246 R12: 00007fff84583f50
[ 79.372484][ T5084] R13: 00007fff84584178 R14: 431bde82d7b634db R15: 00007f491fe9403b
[ 79.380505][ T5084]
[ 79.385264][ T5084] bucket 0:34 gen 7 (mem gen 0) data type user: stale dirty ptr (gen 0)
[ 79.385303][ T5084] while marking u64s 7 type extent 536870913:8:U32_MAX len 8 ver 0: durability: 1 crc: c_size 8 size 8 offset 0 nonce 0 csum crc32c compress incompressible ptr: 0:34:0 gen 0, shutting down
[ 79.414405][ T9] bcachefs (loop0): going read-only
[ 79.415757][ T5084] bcachefs (loop0): inconsistency detected - emergency read only at journal seq 11
[ 79.419812][ T9] bcachefs (loop0): finished waiting for writes to stop
[pid 5084] renameat2(AT_FDCWD, "./file1", 4, "./file0", 0) = 0
[pid 5084] exit_group(0) = ?
[pid 5084] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=54 /* 0.54 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached
, child_tidptr=0x55555e2fe650) = 5096
[pid 5096] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5096] setpgid(0, 0) = 0
[ 79.438238][ T9] bcachefs (loop0): flushing journal and stopping allocators, journal seq 11
[ 79.447614][ T9] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 11
[ 79.457899][ T9] bcachefs (loop0): unshutdown complete, journal seq 11
[ 79.458968][ T5084] syz-executor107 (5084) used greatest stack depth: 18488 bytes left
[ 79.466681][ T9] bcachefs (loop0): done going read-only, filesystem not clean
[pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5096] write(3, "1000", 4) = 4
[pid 5096] close(3) = 0
[pid 5096] write(1, "executing program\n", 18executing program
) = 18
[pid 5096] memfd_create("syzkaller", 0) = 3
[pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5096] munmap(0x7f4917a00000, 138412032) = 0
[pid 5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5096] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5096] ioctl(4, LOOP_CLR_FD) = 0
[pid 5096] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5096] close(4) = 0
[pid 5096] close(3) = 0
[pid 5096] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5096] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5096] exit_group(0) = ?
[pid 5096] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5097 attached
[pid 5097] set_robust_list(0x55555e2fe660, 24
[pid 5083] <... clone resumed>, child_tidptr=0x55555e2fe650) = 5097
[pid 5097] <... set_robust_list resumed>) = 0
[pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5097] setpgid(0, 0) = 0
[pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5097] write(3, "1000", 4) = 4
[pid 5097] close(3) = 0
executing program
[pid 5097] write(1, "executing program\n", 18) = 18
[pid 5097] memfd_create("syzkaller", 0) = 3
[pid 5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5097] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5097] munmap(0x7f4917a00000, 138412032) = 0
[pid 5097] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5097] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5097] ioctl(4, LOOP_CLR_FD) = 0
[pid 5097] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5097] close(4) = 0
[pid 5097] close(3) = 0
[pid 5097] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5097] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5097] exit_group(0) = ?
[pid 5097] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5098 attached
, child_tidptr=0x55555e2fe650) = 5098
[pid 5098] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5098] setpgid(0, 0) = 0
[pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5098] write(3, "1000", 4) = 4
[pid 5098] close(3) = 0
executing program
[pid 5098] write(1, "executing program\n", 18) = 18
[pid 5098] memfd_create("syzkaller", 0) = 3
[pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5098] munmap(0x7f4917a00000, 138412032) = 0
[pid 5098] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5098] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5098] ioctl(4, LOOP_CLR_FD) = 0
[pid 5098] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5098] close(4) = 0
[pid 5098] close(3) = 0
[pid 5098] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5098] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5098] exit_group(0) = ?
[pid 5098] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5099 attached
, child_tidptr=0x55555e2fe650) = 5099
[pid 5099] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5099] setpgid(0, 0) = 0
[pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5099] write(3, "1000", 4) = 4
[pid 5099] close(3) = 0
[pid 5099] write(1, "executing program\n", 18executing program
) = 18
[pid 5099] memfd_create("syzkaller", 0) = 3
[pid 5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5099] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5099] munmap(0x7f4917a00000, 138412032) = 0
[pid 5099] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5099] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5099] ioctl(4, LOOP_CLR_FD) = 0
[pid 5099] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5099] close(4) = 0
[pid 5099] close(3) = 0
[pid 5099] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5099] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5099] exit_group(0) = ?
[pid 5099] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5100 attached
, child_tidptr=0x55555e2fe650) = 5100
[pid 5100] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5100] setpgid(0, 0) = 0
[pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5100] write(3, "1000", 4) = 4
[pid 5100] close(3) = 0
[pid 5100] write(1, "executing program\n", 18executing program
) = 18
[pid 5100] memfd_create("syzkaller", 0) = 3
[pid 5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5100] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5100] munmap(0x7f4917a00000, 138412032) = 0
[pid 5100] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5100] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5100] ioctl(4, LOOP_CLR_FD) = 0
[pid 5100] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5100] close(4) = 0
[pid 5100] close(3) = 0
[pid 5100] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5100] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5100] exit_group(0) = ?
[pid 5100] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5101 attached
[pid 5101] set_robust_list(0x55555e2fe660, 24
[pid 5083] <... clone resumed>, child_tidptr=0x55555e2fe650) = 5101
[pid 5101] <... set_robust_list resumed>) = 0
[pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5101] setpgid(0, 0) = 0
[pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5101] write(3, "1000", 4) = 4
executing program
[pid 5101] close(3) = 0
[pid 5101] write(1, "executing program\n", 18) = 18
[pid 5101] memfd_create("syzkaller", 0) = 3
[pid 5101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5101] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5101] munmap(0x7f4917a00000, 138412032) = 0
[pid 5101] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5101] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5101] ioctl(4, LOOP_CLR_FD) = 0
[pid 5101] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5101] close(4) = 0
[pid 5101] close(3) = 0
[pid 5101] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5101] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5101] exit_group(0) = ?
[pid 5101] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached
[pid 5102] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5083] <... clone resumed>, child_tidptr=0x55555e2fe650) = 5102
[pid 5102] <... prctl resumed>) = 0
[pid 5102] setpgid(0, 0) = 0
[pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5102] write(3, "1000", 4) = 4
[pid 5102] close(3) = 0
[pid 5102] write(1, "executing program\n", 18executing program
) = 18
[pid 5102] memfd_create("syzkaller", 0) = 3
[pid 5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5102] munmap(0x7f4917a00000, 138412032) = 0
[pid 5102] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5102] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5102] ioctl(4, LOOP_CLR_FD) = 0
[pid 5102] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5102] close(4) = 0
[pid 5102] close(3) = 0
[pid 5102] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5102] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5102] exit_group(0) = ?
[pid 5102] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached
, child_tidptr=0x55555e2fe650) = 5103
[pid 5103] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5103] setpgid(0, 0) = 0
[pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5103] write(3, "1000", 4) = 4
executing program
[pid 5103] close(3) = 0
[pid 5103] write(1, "executing program\n", 18) = 18
[pid 5103] memfd_create("syzkaller", 0) = 3
[pid 5103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5103] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5103] munmap(0x7f4917a00000, 138412032) = 0
[pid 5103] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5103] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5103] ioctl(4, LOOP_CLR_FD) = 0
[pid 5103] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5103] close(4) = 0
[pid 5103] close(3) = 0
[pid 5103] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5103] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5103] exit_group(0) = ?
[pid 5103] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=31 /* 0.31 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5105 attached
, child_tidptr=0x55555e2fe650) = 5105
[pid 5105] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5105] setpgid(0, 0) = 0
[pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5105] write(3, "1000", 4) = 4
[pid 5105] close(3) = 0
executing program
[pid 5105] write(1, "executing program\n", 18) = 18
[pid 5105] memfd_create("syzkaller", 0) = 3
[pid 5105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5105] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5105] munmap(0x7f4917a00000, 138412032) = 0
[pid 5105] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5105] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5105] ioctl(4, LOOP_CLR_FD) = 0
[pid 5105] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5105] close(4) = 0
[pid 5105] close(3) = 0
[pid 5105] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5105] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5105] exit_group(0) = ?
[pid 5105] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5106 attached
, child_tidptr=0x55555e2fe650) = 5106
[pid 5106] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5106] setpgid(0, 0) = 0
[pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5106] write(3, "1000", 4) = 4
[pid 5106] close(3) = 0
executing program
[pid 5106] write(1, "executing program\n", 18) = 18
[pid 5106] memfd_create("syzkaller", 0) = 3
[pid 5106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5106] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5106] munmap(0x7f4917a00000, 138412032) = 0
[pid 5106] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5106] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5106] ioctl(4, LOOP_CLR_FD) = 0
[pid 5106] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5106] close(4) = 0
[pid 5106] close(3) = 0
[pid 5106] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5106] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5106] exit_group(0) = ?
[pid 5106] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=22 /* 0.22 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5107 attached
[pid 5107] set_robust_list(0x55555e2fe660, 24
[pid 5083] <... clone resumed>, child_tidptr=0x55555e2fe650) = 5107
[pid 5107] <... set_robust_list resumed>) = 0
[pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5107] setpgid(0, 0) = 0
[pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5107] write(3, "1000", 4) = 4
[pid 5107] close(3) = 0
[pid 5107] write(1, "executing program\n", 18executing program
) = 18
[pid 5107] memfd_create("syzkaller", 0) = 3
[pid 5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5107] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5107] munmap(0x7f4917a00000, 138412032) = 0
[pid 5107] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5107] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5107] ioctl(4, LOOP_CLR_FD) = 0
[pid 5107] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5107] close(4) = 0
[pid 5107] close(3) = 0
[pid 5107] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5107] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5107] exit_group(0) = ?
[pid 5107] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=20 /* 0.20 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5108 attached
[pid 5108] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5108] setpgid(0, 0
[pid 5083] <... clone resumed>, child_tidptr=0x55555e2fe650) = 5108
[pid 5108] <... setpgid resumed>) = 0
[pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5108] write(3, "1000", 4) = 4
[pid 5108] close(3) = 0
[pid 5108] write(1, "executing program\n", 18executing program
) = 18
[pid 5108] memfd_create("syzkaller", 0) = 3
[pid 5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5108] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5108] munmap(0x7f4917a00000, 138412032) = 0
[pid 5108] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5108] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5108] ioctl(4, LOOP_CLR_FD) = 0
[pid 5108] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5108] close(4) = 0
[pid 5108] close(3) = 0
[pid 5108] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5108] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5108] exit_group(0) = ?
[pid 5108] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5109 attached
[pid 5109] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5083] <... clone resumed>, child_tidptr=0x55555e2fe650) = 5109
[pid 5109] <... prctl resumed>) = 0
[pid 5109] setpgid(0, 0) = 0
[pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5109] write(3, "1000", 4) = 4
[pid 5109] close(3) = 0
[pid 5109] write(1, "executing program\n", 18executing program
) = 18
[pid 5109] memfd_create("syzkaller", 0) = 3
[pid 5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5109] munmap(0x7f4917a00000, 138412032) = 0
[pid 5109] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5109] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5109] ioctl(4, LOOP_CLR_FD) = 0
[pid 5109] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5109] close(4) = 0
[pid 5109] close(3) = 0
[pid 5109] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5109] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5109] exit_group(0) = ?
[pid 5109] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5110 attached
, child_tidptr=0x55555e2fe650) = 5110
[pid 5110] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5110] setpgid(0, 0) = 0
[pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5110] write(3, "1000", 4) = 4
[pid 5110] close(3) = 0
[pid 5110] write(1, "executing program\n", 18executing program
) = 18
[pid 5110] memfd_create("syzkaller", 0) = 3
[pid 5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5110] munmap(0x7f4917a00000, 138412032) = 0
[pid 5110] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5110] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5110] ioctl(4, LOOP_CLR_FD) = 0
[pid 5110] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5110] close(4) = 0
[pid 5110] close(3) = 0
[pid 5110] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5110] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5110] exit_group(0) = ?
[pid 5110] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5111 attached
, child_tidptr=0x55555e2fe650) = 5111
[pid 5111] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5111] setpgid(0, 0) = 0
[pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5111] write(3, "1000", 4) = 4
[pid 5111] close(3) = 0
[pid 5111] write(1, "executing program\n", 18executing program
) = 18
[pid 5111] memfd_create("syzkaller", 0) = 3
[pid 5111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5111] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5111] munmap(0x7f4917a00000, 138412032) = 0
[pid 5111] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5111] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5111] ioctl(4, LOOP_CLR_FD) = 0
[pid 5111] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5111] close(4) = 0
[pid 5111] close(3) = 0
[pid 5111] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5111] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5111] exit_group(0) = ?
[pid 5111] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5112 attached
[pid 5112] set_robust_list(0x55555e2fe660, 24
[pid 5083] <... clone resumed>, child_tidptr=0x55555e2fe650) = 5112
[pid 5112] <... set_robust_list resumed>) = 0
[pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5112] setpgid(0, 0) = 0
[pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5112] write(3, "1000", 4) = 4
[pid 5112] close(3) = 0
[pid 5112] write(1, "executing program\n", 18executing program
) = 18
[pid 5112] memfd_create("syzkaller", 0) = 3
[pid 5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5112] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5112] munmap(0x7f4917a00000, 138412032) = 0
[pid 5112] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5112] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5112] ioctl(4, LOOP_CLR_FD) = 0
[pid 5112] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5112] close(4) = 0
[pid 5112] close(3) = 0
[pid 5112] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5112] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5112] exit_group(0) = ?
[pid 5112] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5113 attached
[pid 5113] set_robust_list(0x55555e2fe660, 24
[pid 5083] <... clone resumed>, child_tidptr=0x55555e2fe650) = 5113
[pid 5113] <... set_robust_list resumed>) = 0
[pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5113] setpgid(0, 0) = 0
[pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5113] write(3, "1000", 4) = 4
[pid 5113] close(3) = 0
[pid 5113] write(1, "executing program\n", 18executing program
) = 18
[pid 5113] memfd_create("syzkaller", 0) = 3
[pid 5113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5113] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5113] munmap(0x7f4917a00000, 138412032) = 0
[pid 5113] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5113] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5113] ioctl(4, LOOP_CLR_FD) = 0
[pid 5113] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5113] close(4) = 0
[pid 5113] close(3) = 0
[pid 5113] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5113] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5113] exit_group(0) = ?
[pid 5113] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5114 attached
[pid 5114] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5083] <... clone resumed>, child_tidptr=0x55555e2fe650) = 5114
[pid 5114] <... prctl resumed>) = 0
[pid 5114] setpgid(0, 0) = 0
[pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5114] write(3, "1000", 4) = 4
[pid 5114] close(3) = 0
[pid 5114] write(1, "executing program\n", 18executing program
) = 18
[pid 5114] memfd_create("syzkaller", 0) = 3
[pid 5114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5114] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5114] munmap(0x7f4917a00000, 138412032) = 0
[pid 5114] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5114] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5114] ioctl(4, LOOP_CLR_FD) = 0
[pid 5114] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5114] close(4) = 0
[pid 5114] close(3) = 0
[pid 5114] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5114] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5114] exit_group(0) = ?
[pid 5114] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=21 /* 0.21 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5115 attached
[pid 5115] set_robust_list(0x55555e2fe660, 24
[pid 5083] <... clone resumed>, child_tidptr=0x55555e2fe650) = 5115
[pid 5115] <... set_robust_list resumed>) = 0
[pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5115] setpgid(0, 0) = 0
[pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5115] write(3, "1000", 4) = 4
[pid 5115] close(3) = 0
executing program
[pid 5115] write(1, "executing program\n", 18) = 18
[pid 5115] memfd_create("syzkaller", 0) = 3
[pid 5115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5115] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5115] munmap(0x7f4917a00000, 138412032) = 0
[pid 5115] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5115] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5115] ioctl(4, LOOP_CLR_FD) = 0
[pid 5115] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5115] close(4) = 0
[pid 5115] close(3) = 0
[pid 5115] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5115] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5115] exit_group(0) = ?
[pid 5115] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5116 attached
, child_tidptr=0x55555e2fe650) = 5116
[pid 5116] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5116] setpgid(0, 0) = 0
[pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5116] write(3, "1000", 4) = 4
[pid 5116] close(3) = 0
[pid 5116] write(1, "executing program\n", 18executing program
) = 18
[pid 5116] memfd_create("syzkaller", 0) = 3
[pid 5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5116] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5116] munmap(0x7f4917a00000, 138412032) = 0
[pid 5116] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5116] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5116] ioctl(4, LOOP_CLR_FD) = 0
[pid 5116] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5116] close(4) = 0
[pid 5116] close(3) = 0
[pid 5116] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5116] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5116] exit_group(0) = ?
[pid 5116] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5117 attached
, child_tidptr=0x55555e2fe650) = 5117
[pid 5117] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5117] setpgid(0, 0) = 0
[pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5117] write(3, "1000", 4) = 4
[pid 5117] close(3) = 0
[pid 5117] write(1, "executing program\n", 18executing program
) = 18
[pid 5117] memfd_create("syzkaller", 0) = 3
[pid 5117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5117] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5117] munmap(0x7f4917a00000, 138412032) = 0
[pid 5117] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5117] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5117] ioctl(4, LOOP_CLR_FD) = 0
[pid 5117] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5117] close(4) = 0
[pid 5117] close(3) = 0
[pid 5117] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5117] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5117] exit_group(0) = ?
[pid 5117] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
[ 87.165906][ T784] cfg80211: failed to load regulatory.db
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5118 attached
, child_tidptr=0x55555e2fe650) = 5118
[pid 5118] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5118] setpgid(0, 0) = 0
[pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5118] write(3, "1000", 4) = 4
[pid 5118] close(3) = 0
[pid 5118] write(1, "executing program\n", 18executing program
) = 18
[pid 5118] memfd_create("syzkaller", 0) = 3
[pid 5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5118] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5118] munmap(0x7f4917a00000, 138412032) = 0
[pid 5118] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5118] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5118] ioctl(4, LOOP_CLR_FD) = 0
[pid 5118] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5118] close(4) = 0
[pid 5118] close(3) = 0
[pid 5118] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5118] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5118] exit_group(0) = ?
[pid 5118] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5118, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=21 /* 0.21 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5119 attached
[pid 5119] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5119] setpgid(0, 0
[pid 5083] <... clone resumed>, child_tidptr=0x55555e2fe650) = 5119
[pid 5119] <... setpgid resumed>) = 0
[pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5119] write(3, "1000", 4) = 4
[pid 5119] close(3) = 0
[pid 5119] write(1, "executing program\n", 18executing program
) = 18
[pid 5119] memfd_create("syzkaller", 0) = 3
[pid 5119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5119] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5119] munmap(0x7f4917a00000, 138412032) = 0
[pid 5119] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5119] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5119] ioctl(4, LOOP_CLR_FD) = 0
[pid 5119] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5119] close(4) = 0
[pid 5119] close(3) = 0
[pid 5119] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5119] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5119] exit_group(0) = ?
[pid 5119] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5120 attached
[pid 5120] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5083] <... clone resumed>, child_tidptr=0x55555e2fe650) = 5120
[pid 5120] setpgid(0, 0) = 0
[pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5120] write(3, "1000", 4) = 4
[pid 5120] close(3) = 0
executing program
[pid 5120] write(1, "executing program\n", 18) = 18
[pid 5120] memfd_create("syzkaller", 0) = 3
[pid 5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5120] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5120] munmap(0x7f4917a00000, 138412032) = 0
[pid 5120] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5120] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5120] ioctl(4, LOOP_CLR_FD) = 0
[pid 5120] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5120] close(4) = 0
[pid 5120] close(3) = 0
[pid 5120] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5120] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5120] exit_group(0) = ?
[pid 5120] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5121 attached
, child_tidptr=0x55555e2fe650) = 5121
[pid 5121] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5121] setpgid(0, 0) = 0
[pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5121] write(3, "1000", 4) = 4
[pid 5121] close(3) = 0
[pid 5121] write(1, "executing program\n", 18executing program
) = 18
[pid 5121] memfd_create("syzkaller", 0) = 3
[pid 5121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000
[pid 5121] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5121] munmap(0x7f4917a00000, 138412032) = 0
[pid 5121] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5121] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5121] ioctl(4, LOOP_CLR_FD) = 0
[pid 5121] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5121] close(4) = 0
[pid 5121] close(3) = 0
[pid 5121] open_tree(AT_FDCWD, "./file0", 0) = -1 ENOENT (No such file or directory)
[pid 5121] renameat2(AT_FDCWD, "./file1", -1, "./file0", 0) = -1 EBADF (Bad file descriptor)
[pid 5121] exit_group(0) = ?
[pid 5121] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5122 attached
, child_tidptr=0x55555e2fe650) = 5122
[pid 5122] set_robust_list(0x55555e2fe660, 24) = 0
[pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5122] setpgid(0, 0) = 0
[pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5122] write(3, "1000", 4) = 4
[pid 5122] close(3) = 0
[pid 5122] write(1, "executing program\n", 18executing program
) = 18
[pid 5122] memfd_create("syzkaller", 0) = 3
[pid 5122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4917a00000