./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3709277824
<...>
[ 97.361754][ T27] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.84' (ED25519) to the list of known hosts.
execve("./syz-executor3709277824", ["./syz-executor3709277824"], 0x7fff6397f930 /* 10 vars */) = 0
brk(NULL) = 0x5555574ce000
brk(0x5555574ced00) = 0x5555574ced00
arch_prctl(ARCH_SET_FS, 0x5555574ce380) = 0
set_tid_address(0x5555574ce650) = 5056
set_robust_list(0x5555574ce660, 24) = 0
rseq(0x5555574ceca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3709277824", 4096) = 28
getrandom("\x2c\xd9\xc6\xf2\x1c\xee\xc7\xd3", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555574ced00
brk(0x5555574efd00) = 0x5555574efd00
brk(0x5555574f0000) = 0x5555574f0000
mprotect(0x7f3afe5ef000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5057 attached
, child_tidptr=0x5555574ce650) = 5057
[pid 5057] set_robust_list(0x5555574ce660, 24) = 0
[pid 5057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5057] setpgid(0, 0) = 0
[pid 5057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5057] write(3, "1000", 4) = 4
[pid 5057] close(3) = 0
[pid 5057] memfd_create("syzkaller", 0) = 3
[pid 5057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5057] 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"..., 524288) = 524288
[pid 5057] munmap(0x7f3af613d000, 138412032) = 0
[pid 5057] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5057] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5057] close(3) = 0
[pid 5057] mkdir("./file0", 0777) = 0
[pid 5057] mount("/dev/loop0", "./file0", "hfsplus", MS_NODEV|MS_SILENT, "") = 0
[pid 5057] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5057] chdir("./file0") = 0
[pid 5057] ioctl(4, LOOP_CLR_FD) = 0
[pid 5057] close(4) = 0
[pid 5057] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[ 99.634029][ T5057] loop0: detected capacity change from 0 to 1024
[pid 5057] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5057] linkat(4, "./file0", 5, "./bus", 0) = 0
[pid 5057] openat(AT_FDCWD, "./file0", O_RDONLY) = 6
[pid 5057] mknodat(6, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 5057] openat(AT_FDCWD, ".", O_RDONLY) = 7
[pid 5057] openat2(4, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = 8
[ 99.755880][ T28] audit: type=1800 audit(1697991152.653:2): pid=5057 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz-executor370" name="bus" dev="loop0" ino=18 res=0 errno=0
[ 99.758967][ T5057]
[ 99.777906][ T5057] ======================================================
[ 99.785102][ T5057] WARNING: possible circular locking dependency detected
[ 99.792126][ T5057] 6.6.0-rc6-next-20231020-syzkaller #0 Not tainted
[ 99.798633][ T5057] ------------------------------------------------------
[ 99.805653][ T5057] syz-executor370/5057 is trying to acquire lock:
[ 99.812071][ T5057] ffff8880789487c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_extend+0x1c1/0x1090
[ 99.823171][ T5057]
[ 99.823171][ T5057] but task is already holding lock:
[ 99.830602][ T5057] ffff88814826e0b0 (&tree->tree_lock){+.+.}-{3:3}, at: hfsplus_find_init+0x1a2/0x200
[ 99.840149][ T5057]
[ 99.840149][ T5057] which lock already depends on the new lock.
[ 99.840149][ T5057]
[ 99.850559][ T5057]
[ 99.850559][ T5057] the existing dependency chain (in reverse order) is:
[ 99.859666][ T5057]
[ 99.859666][ T5057] -> #1 (&tree->tree_lock){+.+.}-{3:3}:
[ 99.867417][ T5057] __mutex_lock+0x181/0x1330
[ 99.872652][ T5057] hfsplus_file_truncate+0xecf/0x1120
[ 99.878579][ T5057] hfsplus_setattr+0x1eb/0x310
[ 99.883975][ T5057] notify_change+0x742/0x11c0
[ 99.889283][ T5057] do_truncate+0x15c/0x220
[ 99.894239][ T5057] path_openat+0x266c/0x2cd0
[ 99.899377][ T5057] do_filp_open+0x1dc/0x430
[ 99.904422][ T5057] do_sys_openat2+0x176/0x1e0
[ 99.909654][ T5057] __do_sys_openat2+0x1a3/0x2a0
[ 99.915060][ T5057] do_syscall_64+0x3f/0x110
[ 99.920104][ T5057] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 99.926541][ T5057]
[ 99.926541][ T5057] -> #0 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}:
[ 99.935683][ T5057] __lock_acquire+0x2e22/0x5dc0
[ 99.941096][ T5057] lock_acquire+0x1b1/0x530
[ 99.946148][ T5057] __mutex_lock+0x181/0x1330
[ 99.951282][ T5057] hfsplus_file_extend+0x1c1/0x1090
[ 99.957027][ T5057] hfsplus_bmap_reserve+0x318/0x410
[ 99.962772][ T5057] hfsplus_rename_cat+0x2ad/0x1230
[ 99.968426][ T5057] hfsplus_rename+0x118/0x200
[ 99.973643][ T5057] vfs_rename+0x13dd/0x1c30
[ 99.978686][ T5057] do_renameat2+0xc3c/0xdc0
[ 99.983734][ T5057] __x64_sys_renameat2+0xeb/0x130
[ 99.989318][ T5057] do_syscall_64+0x3f/0x110
[ 99.994448][ T5057] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 100.000894][ T5057]
[ 100.000894][ T5057] other info that might help us debug this:
[ 100.000894][ T5057]
[ 100.011129][ T5057] Possible unsafe locking scenario:
[ 100.011129][ T5057]
[ 100.018585][ T5057] CPU0 CPU1
[ 100.024000][ T5057] ---- ----
[ 100.029371][ T5057] lock(&tree->tree_lock);
[ 100.033920][ T5057] lock(&HFSPLUS_I(inode)->extents_lock);
[ 100.042264][ T5057] lock(&tree->tree_lock);
[ 100.049328][ T5057] lock(&HFSPLUS_I(inode)->extents_lock);
[ 100.055150][ T5057]
[ 100.055150][ T5057] *** DEADLOCK ***
[ 100.055150][ T5057]
[ 100.063297][ T5057] 4 locks held by syz-executor370/5057:
[ 100.068868][ T5057] #0: ffff888148268418 (sb_writers#9){.+.+}-{0:0}, at: do_renameat2+0x3d5/0xdc0
[ 100.078084][ T5057] #1: ffff888078949e00 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: do_renameat2+0xb25/0xdc0
[ 100.088593][ T5057] #2: ffff88801d010300 (&type->i_mutex_dir_key#6){++++}-{3:3}, at: lock_two_inodes+0x1b2/0x1e0
[ 100.099109][ T5057] #3: ffff88814826e0b0 (&tree->tree_lock){+.+.}-{3:3}, at: hfsplus_find_init+0x1a2/0x200
[ 100.109083][ T5057]
[ 100.109083][ T5057] stack backtrace:
[ 100.114975][ T5057] CPU: 1 PID: 5057 Comm: syz-executor370 Not tainted 6.6.0-rc6-next-20231020-syzkaller #0
[ 100.124881][ T5057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[ 100.134957][ T5057] Call Trace:
[ 100.138344][ T5057]
[ 100.141293][ T5057] dump_stack_lvl+0xd9/0x1b0
[ 100.145926][ T5057] check_noncircular+0x310/0x3f0
[ 100.150938][ T5057] ? print_circular_bug+0x750/0x750
[ 100.156164][ T5057] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 100.162279][ T5057] ? print_shortest_lock_dependencies_backwards+0x1b0/0x1b0
[ 100.169615][ T5057] __lock_acquire+0x2e22/0x5dc0
[ 100.174524][ T5057] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 100.180565][ T5057] lock_acquire+0x1b1/0x530
[ 100.185122][ T5057] ? hfsplus_file_extend+0x1c1/0x1090
[ 100.190564][ T5057] ? lock_sync+0x180/0x180
[ 100.195038][ T5057] ? preempt_count_sub+0x150/0x150
[ 100.200173][ T5057] __mutex_lock+0x181/0x1330
[ 100.204798][ T5057] ? hfsplus_file_extend+0x1c1/0x1090
[ 100.210206][ T5057] ? hfsplus_file_extend+0x1c1/0x1090
[ 100.215623][ T5057] ? mutex_lock_io_nested+0x1190/0x1190
[ 100.221212][ T5057] ? hfsplus_file_extend+0x1c1/0x1090
[ 100.226618][ T5057] hfsplus_file_extend+0x1c1/0x1090
[ 100.231953][ T5057] ? hfsplus_free_fork+0x820/0x820
[ 100.237088][ T5057] ? mutex_lock_io_nested+0x1190/0x1190
[ 100.242671][ T5057] hfsplus_bmap_reserve+0x318/0x410
[ 100.247905][ T5057] hfsplus_rename_cat+0x2ad/0x1230
[ 100.253048][ T5057] ? hfsplus_delete_cat+0xdd0/0xdd0
[ 100.258275][ T5057] ? save_trace+0x4e/0xb30
[ 100.262717][ T5057] ? _find_first_zero_bit+0x94/0xb0
[ 100.267953][ T5057] ? lockdep_unlock+0x11a/0x290
[ 100.272883][ T5057] ? find_held_lock+0x2d/0x110
[ 100.277682][ T5057] ? down_write_nested+0x152/0x200
[ 100.282836][ T5057] ? _down_write_nest_lock+0x200/0x200
[ 100.288318][ T5057] ? do_raw_spin_lock+0x12d/0x2b0
[ 100.293375][ T5057] ? spin_bug+0x1c0/0x1c0
[ 100.297739][ T5057] hfsplus_rename+0x118/0x200
[ 100.302442][ T5057] ? lock_two_inodes+0x1b2/0x1e0
[ 100.307407][ T5057] vfs_rename+0x13dd/0x1c30
[ 100.311936][ T5057] ? vfs_mkobj+0x5e0/0x5e0
[ 100.316368][ T5057] ? do_raw_spin_unlock+0x172/0x230
[ 100.321607][ T5057] ? bpf_lsm_path_rename+0x9/0x10
[ 100.326665][ T5057] ? security_path_rename+0x15e/0x230
[ 100.332069][ T5057] do_renameat2+0xc3c/0xdc0
[ 100.336696][ T5057] ? __ia32_sys_link+0xa0/0xa0
[ 100.341494][ T5057] ? __check_object_size+0x322/0x730
[ 100.346817][ T5057] ? strncpy_from_user+0x214/0x300
[ 100.351961][ T5057] ? getname_flags.part.0+0x1e1/0x4e0
[ 100.357373][ T5057] __x64_sys_renameat2+0xeb/0x130
[ 100.362424][ T5057] do_syscall_64+0x3f/0x110
[ 100.367033][ T5057] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 100.372966][ T5057] RIP: 0033:0x7f3afe57bc19
[ 100.377396][ T5057] 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
[ 100.397025][ T5057] RSP: 002b:00007ffdbed47618 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
[pid 5057] renameat2(7, "./file0", 7, "./bus", 0) = 0
[pid 5057] exit_group(0) = ?
[pid 5057] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5057, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
[ 100.405464][ T5057] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f3afe57bc19
[ 100.413452][ T5057] RDX: 0000000000000007 RSI: 00000000200001c0 RDI: 0000000000000007
[ 100.421527][ T5057] RBP: 00007f3afe5ef5f0 R08: 0000000000000000 R09: 00005555574cf4c0
[ 100.429511][ T5057] R10: 0000000020000200 R11: 0000000000000246 R12: 00007ffdbed47640
[ 100.437504][ T5057] R13: 00007ffdbed47868 R14: 431bde82d7b634db R15: 00007f3afe5c403b
[ 100.445509][ T5057]
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5058 attached
[pid 5058] set_robust_list(0x5555574ce660, 24
[pid 5056] <... clone resumed>, child_tidptr=0x5555574ce650) = 5058
[pid 5058] <... set_robust_list resumed>) = 0
[pid 5058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5058] setpgid(0, 0) = 0
[pid 5058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5058] write(3, "1000", 4) = 4
[pid 5058] close(3) = 0
[pid 5058] memfd_create("syzkaller", 0) = 3
[pid 5058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5058] 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"..., 524288) = 524288
[pid 5058] munmap(0x7f3af613d000, 138412032) = 0
[pid 5058] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5058] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5058] ioctl(4, LOOP_CLR_FD) = 0
[pid 5058] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5058] close(4) = 0
[pid 5058] close(3) = 0
[pid 5058] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5058] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5058] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5058] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5058] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 5058] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5058] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5058] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5058] exit_group(0) = ?
[pid 5058] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5058, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5059 attached
, child_tidptr=0x5555574ce650) = 5059
[pid 5059] set_robust_list(0x5555574ce660, 24) = 0
[pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5059] setpgid(0, 0) = 0
[pid 5059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5059] write(3, "1000", 4) = 4
[pid 5059] close(3) = 0
[pid 5059] memfd_create("syzkaller", 0) = 3
[pid 5059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5059] 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"..., 524288) = 524288
[pid 5059] munmap(0x7f3af613d000, 138412032) = 0
[pid 5059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5059] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5059] ioctl(4, LOOP_CLR_FD) = 0
[pid 5059] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5059] close(4) = 0
[pid 5059] close(3) = 0
[pid 5059] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5059] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5059] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5059] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5059] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5059] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5059] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5059] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5059] exit_group(0) = ?
[pid 5059] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5059, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5060 attached
, child_tidptr=0x5555574ce650) = 5060
[pid 5060] set_robust_list(0x5555574ce660, 24) = 0
[pid 5060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5060] setpgid(0, 0) = 0
[pid 5060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5060] write(3, "1000", 4) = 4
[pid 5060] close(3) = 0
[pid 5060] memfd_create("syzkaller", 0) = 3
[pid 5060] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5060] 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"..., 524288) = 524288
[pid 5060] munmap(0x7f3af613d000, 138412032) = 0
[pid 5060] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5060] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5060] ioctl(4, LOOP_CLR_FD) = 0
[pid 5060] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5060] close(4) = 0
[pid 5060] close(3) = 0
[pid 5060] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5060] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5060] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5060] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5060] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5060] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5060] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5060] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5060] exit_group(0) = ?
[pid 5060] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5060, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5061 attached
, child_tidptr=0x5555574ce650) = 5061
[pid 5061] set_robust_list(0x5555574ce660, 24) = 0
[pid 5061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5061] setpgid(0, 0) = 0
[pid 5061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5061] write(3, "1000", 4) = 4
[pid 5061] close(3) = 0
[pid 5061] memfd_create("syzkaller", 0) = 3
[pid 5061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5061] 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"..., 524288) = 524288
[pid 5061] munmap(0x7f3af613d000, 138412032) = 0
[pid 5061] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5061] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5061] ioctl(4, LOOP_CLR_FD) = 0
[pid 5061] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5061] close(4) = 0
[pid 5061] close(3) = 0
[pid 5061] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5061] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5061] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5061] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5061] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5061] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5061] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5061] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5061] exit_group(0) = ?
[pid 5061] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5061, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5062 attached
, child_tidptr=0x5555574ce650) = 5062
[pid 5062] set_robust_list(0x5555574ce660, 24) = 0
[pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5062] setpgid(0, 0) = 0
[pid 5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5062] write(3, "1000", 4) = 4
[pid 5062] close(3) = 0
[pid 5062] memfd_create("syzkaller", 0) = 3
[pid 5062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5062] 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"..., 524288) = 524288
[pid 5062] munmap(0x7f3af613d000, 138412032) = 0
[pid 5062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5062] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5062] ioctl(4, LOOP_CLR_FD) = 0
[pid 5062] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5062] close(4) = 0
[pid 5062] close(3) = 0
[pid 5062] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5062] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5062] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5062] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5062] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5062] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5062] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5062] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5062] exit_group(0) = ?
[pid 5062] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5062, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 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 5063 attached
[pid 5063] set_robust_list(0x5555574ce660, 24) = 0
[pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5056] <... clone resumed>, child_tidptr=0x5555574ce650) = 5063
[pid 5063] <... prctl resumed>) = 0
[pid 5063] setpgid(0, 0) = 0
[pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5063] write(3, "1000", 4) = 4
[pid 5063] close(3) = 0
[pid 5063] memfd_create("syzkaller", 0) = 3
[pid 5063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5063] 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"..., 524288) = 524288
[pid 5063] munmap(0x7f3af613d000, 138412032) = 0
[pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5063] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5063] ioctl(4, LOOP_CLR_FD) = 0
[pid 5063] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5063] close(4) = 0
[pid 5063] close(3) = 0
[pid 5063] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5063] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5063] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5063] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5063] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5063] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5063] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5063] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5063] exit_group(0) = ?
[pid 5063] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5063, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 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 5064 attached
, child_tidptr=0x5555574ce650) = 5064
[pid 5064] set_robust_list(0x5555574ce660, 24) = 0
[pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5064] setpgid(0, 0) = 0
[pid 5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5064] write(3, "1000", 4) = 4
[pid 5064] close(3) = 0
[pid 5064] memfd_create("syzkaller", 0) = 3
[pid 5064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5064] 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"..., 524288) = 524288
[pid 5064] munmap(0x7f3af613d000, 138412032) = 0
[pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5064] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5064] ioctl(4, LOOP_CLR_FD) = 0
[pid 5064] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5064] close(4) = 0
[pid 5064] close(3) = 0
[pid 5064] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5064] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5064] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5064] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5064] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5064] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5064] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5064] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5064] exit_group(0) = ?
[pid 5064] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5064, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5065 attached
, child_tidptr=0x5555574ce650) = 5065
[pid 5065] set_robust_list(0x5555574ce660, 24) = 0
[pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5065] setpgid(0, 0) = 0
[pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5065] write(3, "1000", 4) = 4
[pid 5065] close(3) = 0
[pid 5065] memfd_create("syzkaller", 0) = 3
[pid 5065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5065] 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"..., 524288) = 524288
[pid 5065] munmap(0x7f3af613d000, 138412032) = 0
[pid 5065] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5065] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5065] ioctl(4, LOOP_CLR_FD) = 0
[pid 5065] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5065] close(4) = 0
[pid 5065] close(3) = 0
[pid 5065] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5065] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5065] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5065] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5065] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5065] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5065] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5065] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5065] exit_group(0) = ?
[pid 5065] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5065, si_uid=0, si_status=0, si_utime=0, si_stime=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 5066 attached
, child_tidptr=0x5555574ce650) = 5066
[pid 5066] set_robust_list(0x5555574ce660, 24) = 0
[pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5066] setpgid(0, 0) = 0
[pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5066] write(3, "1000", 4) = 4
[pid 5066] close(3) = 0
[pid 5066] memfd_create("syzkaller", 0) = 3
[pid 5066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5066] 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"..., 524288) = 524288
[pid 5066] munmap(0x7f3af613d000, 138412032) = 0
[pid 5066] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5066] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5066] ioctl(4, LOOP_CLR_FD) = 0
[pid 5066] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5066] close(4) = 0
[pid 5066] close(3) = 0
[pid 5066] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5066] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5066] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5066] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5066] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5066] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5066] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5066] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5066] exit_group(0) = ?
[pid 5066] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5066, si_uid=0, si_status=0, si_utime=0, si_stime=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 5067 attached
, child_tidptr=0x5555574ce650) = 5067
[pid 5067] set_robust_list(0x5555574ce660, 24) = 0
[pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5067] setpgid(0, 0) = 0
[pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5067] write(3, "1000", 4) = 4
[pid 5067] close(3) = 0
[pid 5067] memfd_create("syzkaller", 0) = 3
[pid 5067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5067] 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"..., 524288) = 524288
[pid 5067] munmap(0x7f3af613d000, 138412032) = 0
[pid 5067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5067] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5067] ioctl(4, LOOP_CLR_FD) = 0
[pid 5067] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5067] close(4) = 0
[pid 5067] close(3) = 0
[pid 5067] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5067] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5067] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5067] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5067] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5067] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5067] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5067] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5067] exit_group(0) = ?
[pid 5067] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 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 5068 attached
, child_tidptr=0x5555574ce650) = 5068
[pid 5068] set_robust_list(0x5555574ce660, 24) = 0
[pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5068] setpgid(0, 0) = 0
[pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5068] write(3, "1000", 4) = 4
[pid 5068] close(3) = 0
[pid 5068] memfd_create("syzkaller", 0) = 3
[pid 5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5068] 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"..., 524288) = 524288
[pid 5068] munmap(0x7f3af613d000, 138412032) = 0
[pid 5068] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5068] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5068] ioctl(4, LOOP_CLR_FD) = 0
[pid 5068] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5068] close(4) = 0
[pid 5068] close(3) = 0
[pid 5068] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5068] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5068] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5068] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5068] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5068] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5068] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5068] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5068] exit_group(0) = ?
[pid 5068] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5069 attached
, child_tidptr=0x5555574ce650) = 5069
[pid 5069] set_robust_list(0x5555574ce660, 24) = 0
[pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5069] setpgid(0, 0) = 0
[pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5069] write(3, "1000", 4) = 4
[pid 5069] close(3) = 0
[pid 5069] memfd_create("syzkaller", 0) = 3
[pid 5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5069] 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"..., 524288) = 524288
[pid 5069] munmap(0x7f3af613d000, 138412032) = 0
[pid 5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5069] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5069] ioctl(4, LOOP_CLR_FD) = 0
[pid 5069] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5069] close(4) = 0
[pid 5069] close(3) = 0
[pid 5069] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5069] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5069] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5069] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5069] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5069] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5069] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5069] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5069] exit_group(0) = ?
[pid 5069] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
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 5070 attached
, child_tidptr=0x5555574ce650) = 5070
[pid 5070] set_robust_list(0x5555574ce660, 24) = 0
[pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5070] setpgid(0, 0) = 0
[pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5070] write(3, "1000", 4) = 4
[pid 5070] close(3) = 0
[pid 5070] memfd_create("syzkaller", 0) = 3
[pid 5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5070] 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"..., 524288) = 524288
[pid 5070] munmap(0x7f3af613d000, 138412032) = 0
[pid 5070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5070] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5070] ioctl(4, LOOP_CLR_FD) = 0
[pid 5070] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5070] close(4) = 0
[pid 5070] close(3) = 0
[pid 5070] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5070] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5070] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5070] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5070] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5070] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5070] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5070] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5070] exit_group(0) = ?
[pid 5070] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
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 5071 attached
[pid 5071] set_robust_list(0x5555574ce660, 24
[pid 5056] <... clone resumed>, child_tidptr=0x5555574ce650) = 5071
[pid 5071] <... set_robust_list resumed>) = 0
[pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5071] setpgid(0, 0) = 0
[pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5071] write(3, "1000", 4) = 4
[pid 5071] close(3) = 0
[pid 5071] memfd_create("syzkaller", 0) = 3
[pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5071] 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"..., 524288) = 524288
[pid 5071] munmap(0x7f3af613d000, 138412032) = 0
[pid 5071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5071] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5071] ioctl(4, LOOP_CLR_FD) = 0
[pid 5071] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5071] close(4) = 0
[pid 5071] close(3) = 0
[pid 5071] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5071] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5071] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5071] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5071] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5071] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5071] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5071] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5071] exit_group(0) = ?
[pid 5071] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 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 5072 attached
[pid 5072] set_robust_list(0x5555574ce660, 24) = 0
[pid 5056] <... clone resumed>, child_tidptr=0x5555574ce650) = 5072
[pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5072] setpgid(0, 0) = 0
[pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5072] write(3, "1000", 4) = 4
[pid 5072] close(3) = 0
[pid 5072] memfd_create("syzkaller", 0) = 3
[pid 5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5072] 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"..., 524288) = 524288
[pid 5072] munmap(0x7f3af613d000, 138412032) = 0
[pid 5072] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5072] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5072] ioctl(4, LOOP_CLR_FD) = 0
[pid 5072] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5072] close(4) = 0
[pid 5072] close(3) = 0
[pid 5072] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5072] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5072] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5072] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5072] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5072] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5072] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5072] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5072] exit_group(0) = ?
[pid 5072] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=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 5074 attached
[pid 5074] set_robust_list(0x5555574ce660, 24) = 0
[pid 5056] <... clone resumed>, child_tidptr=0x5555574ce650) = 5074
[pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5074] setpgid(0, 0) = 0
[pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5074] write(3, "1000", 4) = 4
[pid 5074] close(3) = 0
[pid 5074] memfd_create("syzkaller", 0) = 3
[pid 5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5074] 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"..., 524288) = 524288
[pid 5074] munmap(0x7f3af613d000, 138412032) = 0
[pid 5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5074] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5074] ioctl(4, LOOP_CLR_FD) = 0
[pid 5074] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5074] close(4) = 0
[pid 5074] close(3) = 0
[pid 5074] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5074] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5074] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5074] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5074] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5074] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5074] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5074] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5074] exit_group(0) = ?
[pid 5074] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5075 attached
, child_tidptr=0x5555574ce650) = 5075
[pid 5075] set_robust_list(0x5555574ce660, 24) = 0
[pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5075] setpgid(0, 0) = 0
[pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5075] write(3, "1000", 4) = 4
[pid 5075] close(3) = 0
[pid 5075] memfd_create("syzkaller", 0) = 3
[pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5075] 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"..., 524288) = 524288
[pid 5075] munmap(0x7f3af613d000, 138412032) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5075] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5075] ioctl(4, LOOP_CLR_FD) = 0
[pid 5075] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5075] close(4) = 0
[pid 5075] close(3) = 0
[pid 5075] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5075] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5075] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5075] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5075] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5075] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5075] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5075] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5075] exit_group(0) = ?
[pid 5075] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
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 5076 attached
, child_tidptr=0x5555574ce650) = 5076
[pid 5076] set_robust_list(0x5555574ce660, 24) = 0
[pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5076] setpgid(0, 0) = 0
[pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5076] write(3, "1000", 4) = 4
[pid 5076] close(3) = 0
[pid 5076] memfd_create("syzkaller", 0) = 3
[pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5076] 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"..., 524288) = 524288
[pid 5076] munmap(0x7f3af613d000, 138412032) = 0
[pid 5076] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5076] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5076] ioctl(4, LOOP_CLR_FD) = 0
[pid 5076] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5076] close(4) = 0
[pid 5076] close(3) = 0
[pid 5076] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5076] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5076] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5076] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5076] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5076] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5076] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5076] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5076] exit_group(0) = ?
[pid 5076] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 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 5077 attached
, child_tidptr=0x5555574ce650) = 5077
[pid 5077] set_robust_list(0x5555574ce660, 24) = 0
[pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5077] setpgid(0, 0) = 0
[pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5077] write(3, "1000", 4) = 4
[pid 5077] close(3) = 0
[pid 5077] memfd_create("syzkaller", 0) = 3
[pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5077] 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"..., 524288) = 524288
[pid 5077] munmap(0x7f3af613d000, 138412032) = 0
[pid 5077] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5077] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5077] ioctl(4, LOOP_CLR_FD) = 0
[pid 5077] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5077] close(4) = 0
[pid 5077] close(3) = 0
[pid 5077] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5077] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5077] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5077] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5077] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5077] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5077] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5077] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5077] exit_group(0) = ?
[ 104.722781][ T1145] hfsplus: delayed sync fs err -5
[pid 5077] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5078 attached
, child_tidptr=0x5555574ce650) = 5078
[pid 5078] set_robust_list(0x5555574ce660, 24) = 0
[pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5078] setpgid(0, 0) = 0
[pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5078] write(3, "1000", 4) = 4
[pid 5078] close(3) = 0
[pid 5078] memfd_create("syzkaller", 0) = 3
[pid 5078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5078] 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"..., 524288) = 524288
[pid 5078] munmap(0x7f3af613d000, 138412032) = 0
[pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5078] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5078] ioctl(4, LOOP_CLR_FD) = 0
[pid 5078] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5078] close(4) = 0
[pid 5078] close(3) = 0
[pid 5078] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5078] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5078] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5078] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5078] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5078] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5078] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5078] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5078] exit_group(0) = ?
[pid 5078] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 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 5079 attached
, child_tidptr=0x5555574ce650) = 5079
[pid 5079] set_robust_list(0x5555574ce660, 24) = 0
[pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5079] setpgid(0, 0) = 0
[pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5079] write(3, "1000", 4) = 4
[pid 5079] close(3) = 0
[pid 5079] memfd_create("syzkaller", 0) = 3
[pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5079] 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"..., 524288) = 524288
[pid 5079] munmap(0x7f3af613d000, 138412032) = 0
[pid 5079] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5079] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5079] ioctl(4, LOOP_CLR_FD) = 0
[pid 5079] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5079] close(4) = 0
[pid 5079] close(3) = 0
[pid 5079] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5079] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5079] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5079] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5079] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5079] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5079] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5079] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5079] exit_group(0) = ?
[pid 5079] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
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 5080 attached
, child_tidptr=0x5555574ce650) = 5080
[pid 5080] set_robust_list(0x5555574ce660, 24) = 0
[pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5080] setpgid(0, 0) = 0
[pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5080] write(3, "1000", 4) = 4
[pid 5080] close(3) = 0
[pid 5080] memfd_create("syzkaller", 0) = 3
[pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5080] 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"..., 524288) = 524288
[pid 5080] munmap(0x7f3af613d000, 138412032) = 0
[pid 5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5080] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5080] ioctl(4, LOOP_CLR_FD) = 0
[pid 5080] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5080] close(4) = 0
[pid 5080] close(3) = 0
[pid 5080] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5080] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5080] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5080] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5080] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5080] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5080] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5080] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5080] exit_group(0) = ?
[pid 5080] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 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 5081 attached
, child_tidptr=0x5555574ce650) = 5081
[pid 5081] set_robust_list(0x5555574ce660, 24) = 0
[pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5081] setpgid(0, 0) = 0
[pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5081] write(3, "1000", 4) = 4
[pid 5081] close(3) = 0
[pid 5081] memfd_create("syzkaller", 0) = 3
[pid 5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5081] 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"..., 524288) = 524288
[pid 5081] munmap(0x7f3af613d000, 138412032) = 0
[pid 5081] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5081] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5081] ioctl(4, LOOP_CLR_FD) = 0
[pid 5081] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5081] close(4) = 0
[pid 5081] close(3) = 0
[pid 5081] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5081] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5081] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5081] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5081] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5081] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5081] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5081] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5081] exit_group(0) = ?
[pid 5081] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 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 5082 attached
, child_tidptr=0x5555574ce650) = 5082
[pid 5082] set_robust_list(0x5555574ce660, 24) = 0
[pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5082] setpgid(0, 0) = 0
[pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5082] write(3, "1000", 4) = 4
[pid 5082] close(3) = 0
[pid 5082] memfd_create("syzkaller", 0) = 3
[pid 5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5082] 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"..., 524288) = 524288
[pid 5082] munmap(0x7f3af613d000, 138412032) = 0
[pid 5082] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5082] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5082] ioctl(4, LOOP_CLR_FD) = 0
[pid 5082] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5082] close(4) = 0
[pid 5082] close(3) = 0
[pid 5082] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5082] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5082] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5082] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5082] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5082] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5082] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5082] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5082] exit_group(0) = ?
[pid 5082] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5083 attached
, child_tidptr=0x5555574ce650) = 5083
[pid 5083] set_robust_list(0x5555574ce660, 24) = 0
[pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5083] setpgid(0, 0) = 0
[pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5083] write(3, "1000", 4) = 4
[pid 5083] close(3) = 0
[pid 5083] memfd_create("syzkaller", 0) = 3
[pid 5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5083] 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"..., 524288) = 524288
[pid 5083] munmap(0x7f3af613d000, 138412032) = 0
[pid 5083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5083] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5083] ioctl(4, LOOP_CLR_FD) = 0
[pid 5083] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5083] close(4) = 0
[pid 5083] close(3) = 0
[pid 5083] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5083] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5083] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5083] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5083] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5083] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5083] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5083] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5083] exit_group(0) = ?
[pid 5083] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 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 5084 attached
, child_tidptr=0x5555574ce650) = 5084
[pid 5084] set_robust_list(0x5555574ce660, 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] memfd_create("syzkaller", 0) = 3
[pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[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"..., 524288) = 524288
[pid 5084] munmap(0x7f3af613d000, 138412032) = 0
[pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5084] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5084] ioctl(4, LOOP_CLR_FD) = 0
[pid 5084] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5084] close(4) = 0
[pid 5084] close(3) = 0
[pid 5084] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5084] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5084] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5084] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5084] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5084] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5084] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5084] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[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=0, si_stime=0} ---
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 5085 attached
, child_tidptr=0x5555574ce650) = 5085
[pid 5085] set_robust_list(0x5555574ce660, 24) = 0
[pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5085] setpgid(0, 0) = 0
[pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5085] write(3, "1000", 4) = 4
[pid 5085] close(3) = 0
[pid 5085] memfd_create("syzkaller", 0) = 3
[pid 5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5085] 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"..., 524288) = 524288
[pid 5085] munmap(0x7f3af613d000, 138412032) = 0
[pid 5085] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5085] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5085] ioctl(4, LOOP_CLR_FD) = 0
[pid 5085] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5085] close(4) = 0
[pid 5085] close(3) = 0
[pid 5085] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5085] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5085] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5085] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5085] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5085] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5085] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5085] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5085] exit_group(0) = ?
[pid 5085] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 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 5086 attached
, child_tidptr=0x5555574ce650) = 5086
[pid 5086] set_robust_list(0x5555574ce660, 24) = 0
[pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5086] setpgid(0, 0) = 0
[pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5086] write(3, "1000", 4) = 4
[pid 5086] close(3) = 0
[pid 5086] memfd_create("syzkaller", 0) = 3
[pid 5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5086] 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"..., 524288) = 524288
[pid 5086] munmap(0x7f3af613d000, 138412032) = 0
[pid 5086] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5086] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5086] ioctl(4, LOOP_CLR_FD) = 0
[pid 5086] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5086] close(4) = 0
[pid 5086] close(3) = 0
[pid 5086] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5086] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5086] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5086] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5086] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5086] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5086] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5086] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5086] exit_group(0) = ?
[pid 5086] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=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 5087 attached
, child_tidptr=0x5555574ce650) = 5087
[pid 5087] set_robust_list(0x5555574ce660, 24) = 0
[pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5087] setpgid(0, 0) = 0
[pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5087] write(3, "1000", 4) = 4
[pid 5087] close(3) = 0
[pid 5087] memfd_create("syzkaller", 0) = 3
[pid 5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5087] 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"..., 524288) = 524288
[pid 5087] munmap(0x7f3af613d000, 138412032) = 0
[pid 5087] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5087] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5087] ioctl(4, LOOP_CLR_FD) = 0
[pid 5087] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5087] close(4) = 0
[pid 5087] close(3) = 0
[pid 5087] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5087] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5087] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5087] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5087] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5087] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5087] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5087] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5087] exit_group(0) = ?
[pid 5087] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 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 5088 attached
, child_tidptr=0x5555574ce650) = 5088
[pid 5088] set_robust_list(0x5555574ce660, 24) = 0
[pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5088] setpgid(0, 0) = 0
[pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5088] write(3, "1000", 4) = 4
[pid 5088] close(3) = 0
[pid 5088] memfd_create("syzkaller", 0) = 3
[pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5088] 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"..., 524288) = 524288
[pid 5088] munmap(0x7f3af613d000, 138412032) = 0
[pid 5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5088] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5088] ioctl(4, LOOP_CLR_FD) = 0
[pid 5088] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5088] close(4) = 0
[pid 5088] close(3) = 0
[pid 5088] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5088] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5088] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5088] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5088] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5088] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5088] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5088] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5088] exit_group(0) = ?
[pid 5088] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 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 5089 attached
, child_tidptr=0x5555574ce650) = 5089
[pid 5089] set_robust_list(0x5555574ce660, 24) = 0
[pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5089] setpgid(0, 0) = 0
[pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5089] write(3, "1000", 4) = 4
[pid 5089] close(3) = 0
[pid 5089] memfd_create("syzkaller", 0) = 3
[pid 5089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5089] 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"..., 524288) = 524288
[pid 5089] munmap(0x7f3af613d000, 138412032) = 0
[pid 5089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5089] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5089] ioctl(4, LOOP_CLR_FD) = 0
[pid 5089] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5089] close(4) = 0
[pid 5089] close(3) = 0
[pid 5089] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5089] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5089] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5089] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5089] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5089] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5089] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5089] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5089] exit_group(0) = ?
[pid 5089] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 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 5090 attached
, child_tidptr=0x5555574ce650) = 5090
[pid 5090] set_robust_list(0x5555574ce660, 24) = 0
[pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5090] setpgid(0, 0) = 0
[pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5090] write(3, "1000", 4) = 4
[pid 5090] close(3) = 0
[pid 5090] memfd_create("syzkaller", 0) = 3
[pid 5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5090] 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"..., 524288) = 524288
[pid 5090] munmap(0x7f3af613d000, 138412032) = 0
[pid 5090] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5090] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5090] ioctl(4, LOOP_CLR_FD) = 0
[pid 5090] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5090] close(4) = 0
[pid 5090] close(3) = 0
[pid 5090] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5090] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5090] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5090] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5090] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5090] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5090] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5090] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5090] exit_group(0) = ?
[pid 5090] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=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 5091 attached
[pid 5091] set_robust_list(0x5555574ce660, 24
[pid 5056] <... clone resumed>, child_tidptr=0x5555574ce650) = 5091
[pid 5091] <... set_robust_list resumed>) = 0
[pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5091] setpgid(0, 0) = 0
[pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5091] write(3, "1000", 4) = 4
[pid 5091] close(3) = 0
[pid 5091] memfd_create("syzkaller", 0) = 3
[pid 5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5091] 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"..., 524288) = 524288
[pid 5091] munmap(0x7f3af613d000, 138412032) = 0
[pid 5091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5091] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5091] ioctl(4, LOOP_CLR_FD) = 0
[pid 5091] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5091] close(4) = 0
[pid 5091] close(3) = 0
[pid 5091] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5091] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5091] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5091] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5091] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5091] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5091] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5091] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5091] exit_group(0) = ?
[pid 5091] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=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 5092 attached
, child_tidptr=0x5555574ce650) = 5092
[pid 5092] set_robust_list(0x5555574ce660, 24) = 0
[pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5092] setpgid(0, 0) = 0
[pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5092] write(3, "1000", 4) = 4
[pid 5092] close(3) = 0
[pid 5092] memfd_create("syzkaller", 0) = 3
[pid 5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5092] 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"..., 524288) = 524288
[pid 5092] munmap(0x7f3af613d000, 138412032) = 0
[pid 5092] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5092] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5092] ioctl(4, LOOP_CLR_FD) = 0
[pid 5092] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5092] close(4) = 0
[pid 5092] close(3) = 0
[pid 5092] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5092] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5092] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5092] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5092] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5092] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5092] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5092] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5092] exit_group(0) = ?
[pid 5092] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 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 5093 attached
, child_tidptr=0x5555574ce650) = 5093
[pid 5093] set_robust_list(0x5555574ce660, 24) = 0
[pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5093] setpgid(0, 0) = 0
[pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5093] write(3, "1000", 4) = 4
[pid 5093] close(3) = 0
[pid 5093] memfd_create("syzkaller", 0) = 3
[pid 5093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5093] 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"..., 524288) = 524288
[pid 5093] munmap(0x7f3af613d000, 138412032) = 0
[pid 5093] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5093] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5093] ioctl(4, LOOP_CLR_FD) = 0
[pid 5093] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5093] close(4) = 0
[pid 5093] close(3) = 0
[pid 5093] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5093] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5093] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5093] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5093] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5093] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5093] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5093] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5093] exit_group(0) = ?
[pid 5093] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=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 5094 attached
, child_tidptr=0x5555574ce650) = 5094
[pid 5094] set_robust_list(0x5555574ce660, 24) = 0
[pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5094] setpgid(0, 0) = 0
[pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5094] write(3, "1000", 4) = 4
[pid 5094] close(3) = 0
[pid 5094] memfd_create("syzkaller", 0) = 3
[pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5094] 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"..., 524288) = 524288
[pid 5094] munmap(0x7f3af613d000, 138412032) = 0
[pid 5094] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5094] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5094] ioctl(4, LOOP_CLR_FD) = 0
[pid 5094] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5094] close(4) = 0
[pid 5094] close(3) = 0
[pid 5094] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5094] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5094] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5094] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5094] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5094] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5094] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5094] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5094] exit_group(0) = ?
[pid 5094] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5095 attached
, child_tidptr=0x5555574ce650) = 5095
[pid 5095] set_robust_list(0x5555574ce660, 24) = 0
[pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5095] setpgid(0, 0) = 0
[pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5095] write(3, "1000", 4) = 4
[pid 5095] close(3) = 0
[pid 5095] memfd_create("syzkaller", 0) = 3
[pid 5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[pid 5095] 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"..., 524288) = 524288
[pid 5095] munmap(0x7f3af613d000, 138412032) = 0
[pid 5095] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5095] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5095] ioctl(4, LOOP_CLR_FD) = 0
[pid 5095] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5095] close(4) = 0
[pid 5095] close(3) = 0
[pid 5095] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5095] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5095] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5095] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5095] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5095] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5095] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5095] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[pid 5095] exit_group(0) = ?
[pid 5095] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 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 5096 attached
, child_tidptr=0x5555574ce650) = 5096
[pid 5096] set_robust_list(0x5555574ce660, 24) = 0
[pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5096] setpgid(0, 0) = 0
[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] memfd_create("syzkaller", 0) = 3
[pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[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"..., 524288) = 524288
[pid 5096] munmap(0x7f3af613d000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5096] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5096] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5096] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5096] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5096] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5096] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5096] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[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=0, si_stime=3 /* 0.03 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 5097 attached
, child_tidptr=0x5555574ce650) = 5097
[pid 5097] set_robust_list(0x5555574ce660, 24) = 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
[pid 5097] memfd_create("syzkaller", 0) = 3
[pid 5097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[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"..., 524288) = 524288
[pid 5097] munmap(0x7f3af613d000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5097] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5097] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5097] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5097] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5097] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5097] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5097] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[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=0, si_stime=1 /* 0.01 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 5098 attached
, child_tidptr=0x5555574ce650) = 5098
[pid 5098] set_robust_list(0x5555574ce660, 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
[pid 5098] memfd_create("syzkaller", 0) = 3
[pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[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"..., 524288) = 524288
[pid 5098] munmap(0x7f3af613d000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5098] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5098] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5098] openat(AT_FDCWD, "./file0", O_RDONLY) = 5
[pid 5098] mknodat(5, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = -1 EEXIST (File exists)
[pid 5098] openat(AT_FDCWD, ".", O_RDONLY) = 6
[pid 5098] openat2(3, "./bus", {flags=O_RDONLY|O_TRUNC|O_CLOEXEC|FASYNC, resolve=RESOLVE_BENEATH}, 24) = -1 EISDIR (Is a directory)
[pid 5098] renameat2(6, "./file0", 6, "./bus", 0) = -1 EBUSY (Device or resource busy)
[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=1 /* 0.01 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 5099 attached
, child_tidptr=0x5555574ce650) = 5099
[pid 5099] set_robust_list(0x5555574ce660, 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] memfd_create("syzkaller", 0) = 3
[pid 5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3af613d000
[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"..., 524288) = 524288
[pid 5099] munmap(0x7f3af613d000, 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] openat(AT_FDCWD, "./file0", O_RDONLY) = 3
[pid 5099] openat(AT_FDCWD, "./file0", O_RDONLY) = 4
[pid 5099] linkat(3, "./file0", 4, "./bus", 0) = -1 ENOENT (No such file or directory)
[pid 5099] openat(AT_FDCWD, "./file0", O_RDONLY) = 5