./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1308345653
<...>
Warning: Permanently added '10.128.0.65' (ED25519) to the list of known hosts.
execve("./syz-executor1308345653", ["./syz-executor1308345653"], 0x7fff49f47d20 /* 10 vars */) = 0
brk(NULL) = 0x5555930ad000
brk(0x5555930add00) = 0x5555930add00
arch_prctl(ARCH_SET_FS, 0x5555930ad380) = 0
set_tid_address(0x5555930ad650) = 5839
set_robust_list(0x5555930ad660, 24) = 0
rseq(0x5555930adca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1308345653", 4096) = 28
getrandom("\x01\xff\xab\xe4\x07\x81\x82\x08", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555930add00
brk(0x5555930ced00) = 0x5555930ced00
brk(0x5555930cf000) = 0x5555930cf000
mprotect(0x7efc9bb23000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached
, child_tidptr=0x5555930ad650) = 5841
[pid 5841] set_robust_list(0x5555930ad660, 24) = 0
[pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5841] setpgid(0, 0) = 0
[pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5841] write(3, "1000", 4) = 4
[pid 5841] close(3) = 0
[pid 5841] write(1, "executing program\n", 18executing program
) = 18
[pid 5841] memfd_create("syzkaller", 0) = 3
[pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5841] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5841] munmap(0x7efc93600000, 138412032) = 0
[pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5841] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5841] close(3) = 0
[pid 5841] close(4) = 0
[pid 5841] mkdir("./file1", 0777) = 0
[ 89.600131][ T5841] loop0: detected capacity change from 0 to 32768
[ 89.645295][ T5841] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor130 (5841)
[ 89.676409][ T5841] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[ 89.689015][ T5841] BTRFS info (device loop0): using crc32c (crc32c-lib) checksum algorithm
[ 89.698533][ T5841] BTRFS info (device loop0): disk space caching is enabled
[ 89.706222][ T5841] BTRFS warning (device loop0): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2
[ 89.741645][ T5841]
[ 89.744031][ T5841] ======================================================
[ 89.751052][ T5841] WARNING: possible circular locking dependency detected
[ 89.758093][ T5841] 6.16.0-rc2-next-20250620-syzkaller #0 Not tainted
[ 89.764690][ T5841] ------------------------------------------------------
[ 89.771727][ T5841] syz-executor130/5841 is trying to acquire lock:
[ 89.778140][ T5841] ffffffff8e6e9fe8 (uuid_mutex){+.+.}-{4:4}, at: btrfs_read_chunk_tree+0xef/0x2170
[ 89.787500][ T5841]
[ 89.787500][ T5841] but task is already holding lock:
[ 89.794864][ T5841] ffff8880116720e0 (&type->s_umount_key#41/1){+.+.}-{4:4}, at: alloc_super+0x204/0x970
[ 89.804557][ T5841]
[ 89.804557][ T5841] which lock already depends on the new lock.
[ 89.804557][ T5841]
[ 89.814982][ T5841]
[ 89.814982][ T5841] the existing dependency chain (in reverse order) is:
[ 89.823992][ T5841]
[ 89.823992][ T5841] -> #1 (&type->s_umount_key#41/1){+.+.}-{4:4}:
[ 89.832524][ T5841] lock_acquire+0x120/0x360
[ 89.837557][ T5841] down_write_nested+0x9d/0x200
[ 89.842956][ T5841] alloc_super+0x204/0x970
[ 89.847896][ T5841] sget_fc+0x329/0xa40
[ 89.852482][ T5841] btrfs_get_tree+0x4c6/0x12d0
[ 89.857761][ T5841] vfs_get_tree+0x8f/0x2b0
[ 89.862703][ T5841] do_new_mount+0x24a/0xa40
[ 89.867719][ T5841] __se_sys_mount+0x317/0x410
[ 89.872907][ T5841] do_syscall_64+0xfa/0x3b0
[ 89.877955][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.884371][ T5841]
[ 89.884371][ T5841] -> #0 (uuid_mutex){+.+.}-{4:4}:
[ 89.891666][ T5841] validate_chain+0xb9b/0x2140
[ 89.896956][ T5841] __lock_acquire+0xab9/0xd20
[ 89.902151][ T5841] lock_acquire+0x120/0x360
[ 89.907170][ T5841] __mutex_lock+0x182/0xe80
[ 89.912183][ T5841] btrfs_read_chunk_tree+0xef/0x2170
[ 89.917980][ T5841] open_ctree+0x17f2/0x3a10
[ 89.922997][ T5841] btrfs_get_tree+0xc6f/0x12d0
[ 89.928270][ T5841] vfs_get_tree+0x8f/0x2b0
[ 89.933217][ T5841] do_new_mount+0x24a/0xa40
[ 89.938233][ T5841] __se_sys_mount+0x317/0x410
[ 89.943424][ T5841] do_syscall_64+0xfa/0x3b0
[ 89.948456][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.954855][ T5841]
[ 89.954855][ T5841] other info that might help us debug this:
[ 89.954855][ T5841]
[ 89.965073][ T5841] Possible unsafe locking scenario:
[ 89.965073][ T5841]
[ 89.972507][ T5841] CPU0 CPU1
[ 89.977861][ T5841] ---- ----
[ 89.983219][ T5841] lock(&type->s_umount_key#41/1);
[ 89.988524][ T5841] lock(uuid_mutex);
[ 89.995017][ T5841] lock(&type->s_umount_key#41/1);
[ 90.002734][ T5841] lock(uuid_mutex);
[ 90.006707][ T5841]
[ 90.006707][ T5841] *** DEADLOCK ***
[ 90.006707][ T5841]
[ 90.014833][ T5841] 1 lock held by syz-executor130/5841:
[ 90.020277][ T5841] #0: ffff8880116720e0 (&type->s_umount_key#41/1){+.+.}-{4:4}, at: alloc_super+0x204/0x970
[ 90.030374][ T5841]
[ 90.030374][ T5841] stack backtrace:
[ 90.036272][ T5841] CPU: 0 UID: 0 PID: 5841 Comm: syz-executor130 Not tainted 6.16.0-rc2-next-20250620-syzkaller #0 PREEMPT(full)
[ 90.036292][ T5841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 90.036312][ T5841] Call Trace:
[ 90.036321][ T5841]
[ 90.036329][ T5841] dump_stack_lvl+0x189/0x250
[ 90.036355][ T5841] ? __pfx_dump_stack_lvl+0x10/0x10
[ 90.036377][ T5841] ? __pfx__printk+0x10/0x10
[ 90.036393][ T5841] ? print_lock_name+0xde/0x100
[ 90.036409][ T5841] print_circular_bug+0x2ee/0x310
[ 90.036425][ T5841] check_noncircular+0x134/0x160
[ 90.036451][ T5841] validate_chain+0xb9b/0x2140
[ 90.036483][ T5841] __lock_acquire+0xab9/0xd20
[ 90.036505][ T5841] ? btrfs_read_chunk_tree+0xef/0x2170
[ 90.036521][ T5841] lock_acquire+0x120/0x360
[ 90.036540][ T5841] ? btrfs_read_chunk_tree+0xef/0x2170
[ 90.036561][ T5841] __mutex_lock+0x182/0xe80
[ 90.036577][ T5841] ? btrfs_read_chunk_tree+0xef/0x2170
[ 90.036597][ T5841] ? btrfs_read_chunk_tree+0xef/0x2170
[ 90.036614][ T5841] ? __pfx___mutex_lock+0x10/0x10
[ 90.036631][ T5841] ? rcu_is_watching+0x15/0xb0
[ 90.036654][ T5841] ? trace_kmem_cache_alloc+0x1f/0xc0
[ 90.036675][ T5841] ? btrfs_read_chunk_tree+0xcd/0x2170
[ 90.036693][ T5841] btrfs_read_chunk_tree+0xef/0x2170
[ 90.036714][ T5841] ? btrfs_root_node+0xae/0x4a0
[ 90.036734][ T5841] ? btrfs_root_node+0x459/0x4a0
[ 90.036751][ T5841] ? btrfs_root_node+0xae/0x4a0
[ 90.036769][ T5841] ? __pfx_btrfs_root_node+0x10/0x10
[ 90.036790][ T5841] ? __pfx_btrfs_read_chunk_tree+0x10/0x10
[ 90.036807][ T5841] ? load_super_root+0x2b2/0x3f0
[ 90.036824][ T5841] ? __pfx_load_super_root+0x10/0x10
[ 90.036843][ T5841] ? read_extent_buffer+0x120/0x5e0
[ 90.036859][ T5841] ? open_ctree+0x17ea/0x3a10
[ 90.036877][ T5841] open_ctree+0x17f2/0x3a10
[ 90.036893][ T5841] ? bdi_register_va+0x58d/0x740
[ 90.036909][ T5841] ? open_ctree+0xa1a/0x3a10
[ 90.036930][ T5841] ? __pfx_open_ctree+0x10/0x10
[ 90.036950][ T5841] btrfs_get_tree+0xc6f/0x12d0
[ 90.036978][ T5841] vfs_get_tree+0x8f/0x2b0
[ 90.037001][ T5841] do_new_mount+0x24a/0xa40
[ 90.037018][ T5841] __se_sys_mount+0x317/0x410
[ 90.037034][ T5841] ? __pfx___se_sys_mount+0x10/0x10
[ 90.037048][ T5841] ? rcu_is_watching+0x15/0xb0
[ 90.037071][ T5841] ? __x64_sys_mount+0x20/0xc0
[ 90.037086][ T5841] do_syscall_64+0xfa/0x3b0
[ 90.037101][ T5841] ? lockdep_hardirqs_on+0x9c/0x150
[ 90.037114][ T5841] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 90.037129][ T5841] ? clear_bhb_loop+0x60/0xb0
[ 90.037145][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 90.037160][ T5841] RIP: 0033:0x7efc9baab2ea
[ 90.037177][ T5841] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 90.037194][ T5841] RSP: 002b:00007ffce808e1c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 90.037209][ T5841] RAX: ffffffffffffffda RBX: 00007ffce808e1e0 RCX: 00007efc9baab2ea
[ 90.037220][ T5841] RDX: 0000200000005100 RSI: 0000200000000000 RDI: 00007ffce808e1e0
[ 90.037230][ T5841] RBP: 0000200000000000 R08: 00007ffce808e220 R09: 00000000000050ed
[ 90.037240][ T5841] R10: 0000000000000810 R11: 0000000000000282 R12: 0000200000005100
[ 90.037250][ T5841] R13: 00007ffce808e220 R14: 0000000000000003 R15: 0000000000000810
[ 90.037266][ T5841]
[ 90.369009][ T5841] BTRFS info (device loop0): rebuilding free space tree
[ 90.379374][ T5841] BTRFS info (device loop0): disabling free space tree
[pid 5841] mount("/dev/loop0", "./file1", "btrfs", MS_SYNCHRONOUS|MS_NODIRATIME, "treelog,nodatacow,max_inline=m3x9e6,space_cache,nodatasum,nobarrier,flushoncommit,noautodefrag,ref_v"...) = 0
[pid 5841] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid 5841] chdir("./file1") = 0
[pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5841] ioctl(4, LOOP_CLR_FD) = 0
[pid 5841] close(4) = 0
[pid 5841] exit_group(0) = ?
[ 90.386264][ T5841] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[ 90.395977][ T5841] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[pid 5841] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=26 /* 0.26 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5859 attached
, child_tidptr=0x5555930ad650) = 5859
[pid 5859] set_robust_list(0x5555930ad660, 24) = 0
[pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5859] setpgid(0, 0) = 0
[pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5859] write(3, "1000", 4) = 4
[pid 5859] close(3) = 0
[pid 5859] write(1, "executing program\n", 18executing program
) = 18
[pid 5859] memfd_create("syzkaller", 0) = 3
[pid 5859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5859] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5859] munmap(0x7efc93600000, 138412032) = 0
[pid 5859] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5859] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5859] ioctl(4, LOOP_CLR_FD) = 0
[pid 5859] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5859] close(4) = 0
[pid 5859] close(3) = 0
[pid 5859] exit_group(0) = ?
[pid 5859] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=17 /* 0.17 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 5862 attached
[pid 5862] set_robust_list(0x5555930ad660, 24
[pid 5839] <... clone resumed>, child_tidptr=0x5555930ad650) = 5862
[pid 5862] <... set_robust_list resumed>) = 0
[pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5862] setpgid(0, 0) = 0
[pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5862] write(3, "1000", 4) = 4
[pid 5862] close(3) = 0
[pid 5862] write(1, "executing program\n", 18executing program
) = 18
[pid 5862] memfd_create("syzkaller", 0) = 3
[pid 5862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5862] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5862] munmap(0x7efc93600000, 138412032) = 0
[pid 5862] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5862] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5862] ioctl(4, LOOP_CLR_FD) = 0
[pid 5862] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5862] close(4) = 0
[pid 5862] close(3) = 0
[pid 5862] exit_group(0) = ?
[pid 5862] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=14 /* 0.14 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 5864 attached
[pid 5864] set_robust_list(0x5555930ad660, 24
[pid 5839] <... clone resumed>, child_tidptr=0x5555930ad650) = 5864
[pid 5864] <... set_robust_list resumed>) = 0
[pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5864] setpgid(0, 0) = 0
[pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5864] write(3, "1000", 4) = 4
[pid 5864] close(3) = 0
executing program
[pid 5864] write(1, "executing program\n", 18) = 18
[pid 5864] memfd_create("syzkaller", 0) = 3
[pid 5864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5864] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5864] munmap(0x7efc93600000, 138412032) = 0
[pid 5864] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5864] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5864] ioctl(4, LOOP_CLR_FD) = 0
[pid 5864] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5864] close(4) = 0
[pid 5864] close(3) = 0
[pid 5864] exit_group(0) = ?
[pid 5864] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=12 /* 0.12 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 5866 attached
[pid 5866] set_robust_list(0x5555930ad660, 24
[pid 5839] <... clone resumed>, child_tidptr=0x5555930ad650) = 5866
[pid 5866] <... set_robust_list resumed>) = 0
[pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5866] setpgid(0, 0) = 0
[pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5866] write(3, "1000", 4) = 4
[pid 5866] close(3) = 0
[pid 5866] write(1, "executing program\n", 18executing program
) = 18
[pid 5866] memfd_create("syzkaller", 0) = 3
[pid 5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5866] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5866] munmap(0x7efc93600000, 138412032) = 0
[pid 5866] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5866] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5866] ioctl(4, LOOP_CLR_FD) = 0
[pid 5866] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5866] close(4) = 0
[pid 5866] close(3) = 0
[pid 5866] exit_group(0) = ?
[pid 5866] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=15 /* 0.15 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 5869 attached
, child_tidptr=0x5555930ad650) = 5869
[pid 5869] set_robust_list(0x5555930ad660, 24) = 0
[pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5869] setpgid(0, 0) = 0
[pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5869] write(3, "1000", 4) = 4
[pid 5869] close(3) = 0
executing program
[pid 5869] write(1, "executing program\n", 18) = 18
[pid 5869] memfd_create("syzkaller", 0) = 3
[pid 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[ 91.778529][ T24] cfg80211: failed to load regulatory.db
[pid 5869] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5869] munmap(0x7efc93600000, 138412032) = 0
[pid 5869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5869] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5869] ioctl(4, LOOP_CLR_FD) = 0
[pid 5869] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5869] close(4) = 0
[pid 5869] close(3) = 0
[pid 5869] exit_group(0) = ?
[pid 5869] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=14 /* 0.14 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 5873 attached
, child_tidptr=0x5555930ad650) = 5873
[pid 5873] set_robust_list(0x5555930ad660, 24) = 0
[pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5873] setpgid(0, 0) = 0
[pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 5873] write(3, "1000", 4) = 4
[pid 5873] close(3) = 0
[pid 5873] write(1, "executing program\n", 18) = 18
[pid 5873] memfd_create("syzkaller", 0) = 3
[pid 5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5873] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5873] munmap(0x7efc93600000, 138412032) = 0
[pid 5873] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5873] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5873] ioctl(4, LOOP_CLR_FD) = 0
[pid 5873] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5873] close(4) = 0
[pid 5873] close(3) = 0
[pid 5873] exit_group(0) = ?
[pid 5873] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=14 /* 0.14 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 5876 attached
[pid 5876] set_robust_list(0x5555930ad660, 24) = 0
[pid 5839] <... clone resumed>, child_tidptr=0x5555930ad650) = 5876
[pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5876] setpgid(0, 0) = 0
[pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5876] write(3, "1000", 4) = 4
[pid 5876] close(3) = 0
executing program
[pid 5876] write(1, "executing program\n", 18) = 18
[pid 5876] memfd_create("syzkaller", 0) = 3
[pid 5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5876] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5876] munmap(0x7efc93600000, 138412032) = 0
[pid 5876] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5876] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5876] ioctl(4, LOOP_CLR_FD) = 0
[pid 5876] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5876] close(4) = 0
[pid 5876] close(3) = 0
[pid 5876] exit_group(0) = ?
[pid 5876] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=11 /* 0.11 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 5878 attached
, child_tidptr=0x5555930ad650) = 5878
[pid 5878] set_robust_list(0x5555930ad660, 24) = 0
[pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5878] setpgid(0, 0) = 0
[pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5878] write(3, "1000", 4) = 4
[pid 5878] close(3) = 0
[pid 5878] write(1, "executing program\n", 18executing program
) = 18
[pid 5878] memfd_create("syzkaller", 0) = 3
[pid 5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5878] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5878] munmap(0x7efc93600000, 138412032) = 0
[pid 5878] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5878] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5878] ioctl(4, LOOP_CLR_FD) = 0
[pid 5878] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5878] close(4) = 0
[pid 5878] close(3) = 0
[pid 5878] exit_group(0) = ?
[pid 5878] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=13 /* 0.13 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 5881 attached
, child_tidptr=0x5555930ad650) = 5881
[pid 5881] set_robust_list(0x5555930ad660, 24) = 0
[pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5881] setpgid(0, 0) = 0
[pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5881] write(3, "1000", 4) = 4
[pid 5881] close(3) = 0
[pid 5881] write(1, "executing program\n", 18executing program
) = 18
[pid 5881] memfd_create("syzkaller", 0) = 3
[pid 5881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5881] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5881] munmap(0x7efc93600000, 138412032) = 0
[pid 5881] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5881] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5881] ioctl(4, LOOP_CLR_FD) = 0
[pid 5881] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5881] close(4) = 0
[pid 5881] close(3) = 0
[pid 5881] exit_group(0) = ?
[pid 5881] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=12 /* 0.12 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 5884 attached
, child_tidptr=0x5555930ad650) = 5884
[pid 5884] set_robust_list(0x5555930ad660, 24) = 0
[pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5884] setpgid(0, 0) = 0
[pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5884] write(3, "1000", 4) = 4
[pid 5884] close(3) = 0
executing program
[pid 5884] write(1, "executing program\n", 18) = 18
[pid 5884] memfd_create("syzkaller", 0) = 3
[pid 5884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5884] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5884] munmap(0x7efc93600000, 138412032) = 0
[pid 5884] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5884] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5884] ioctl(4, LOOP_CLR_FD) = 0
[pid 5884] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5884] close(4) = 0
[pid 5884] close(3) = 0
[pid 5884] exit_group(0) = ?
[pid 5884] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=14 /* 0.14 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 5887 attached
[pid 5887] set_robust_list(0x5555930ad660, 24) = 0
[pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5839] <... clone resumed>, child_tidptr=0x5555930ad650) = 5887
[pid 5887] <... prctl resumed>) = 0
[pid 5887] setpgid(0, 0) = 0
[pid 5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5887] write(3, "1000", 4) = 4
[pid 5887] close(3) = 0
executing program
[pid 5887] write(1, "executing program\n", 18) = 18
[pid 5887] memfd_create("syzkaller", 0) = 3
[pid 5887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5887] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5887] munmap(0x7efc93600000, 138412032) = 0
[pid 5887] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5887] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5887] ioctl(4, LOOP_CLR_FD) = 0
[pid 5887] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5887] close(4) = 0
[pid 5887] close(3) = 0
[pid 5887] exit_group(0) = ?
[pid 5887] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 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 5889 attached
, child_tidptr=0x5555930ad650) = 5889
[pid 5889] set_robust_list(0x5555930ad660, 24) = 0
[pid 5889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5889] setpgid(0, 0) = 0
[pid 5889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5889] write(3, "1000", 4) = 4
[pid 5889] close(3) = 0
[pid 5889] write(1, "executing program\n", 18executing program
) = 18
[pid 5889] memfd_create("syzkaller", 0) = 3
[pid 5889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5889] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5889] munmap(0x7efc93600000, 138412032) = 0
[pid 5889] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5889] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5889] ioctl(4, LOOP_CLR_FD) = 0
[pid 5889] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5889] close(4) = 0
[pid 5889] close(3) = 0
[pid 5889] exit_group(0) = ?
[pid 5889] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5889, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 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 5891 attached
, child_tidptr=0x5555930ad650) = 5891
[pid 5891] set_robust_list(0x5555930ad660, 24) = 0
[pid 5891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5891] setpgid(0, 0) = 0
[pid 5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5891] write(3, "1000", 4) = 4
[pid 5891] close(3) = 0
executing program
[pid 5891] write(1, "executing program\n", 18) = 18
[pid 5891] memfd_create("syzkaller", 0) = 3
[pid 5891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5891] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5891] munmap(0x7efc93600000, 138412032) = 0
[pid 5891] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5891] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5891] ioctl(4, LOOP_CLR_FD) = 0
[pid 5891] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5891] close(4) = 0
[pid 5891] close(3) = 0
[pid 5891] exit_group(0) = ?
[pid 5891] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555930ad650) = 5893
./strace-static-x86_64: Process 5893 attached
[pid 5893] set_robust_list(0x5555930ad660, 24) = 0
[pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5893] setpgid(0, 0) = 0
[pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5893] write(3, "1000", 4) = 4
[pid 5893] close(3) = 0
executing program
[pid 5893] write(1, "executing program\n", 18) = 18
[pid 5893] memfd_create("syzkaller", 0) = 3
[pid 5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5893] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5893] munmap(0x7efc93600000, 138412032) = 0
[pid 5893] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5893] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5893] ioctl(4, LOOP_CLR_FD) = 0
[pid 5893] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5893] close(4) = 0
[pid 5893] close(3) = 0
[pid 5893] exit_group(0) = ?
[pid 5893] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=14 /* 0.14 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 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 5896 attached
[pid 5896] set_robust_list(0x5555930ad660, 24) = 0
[pid 5896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5896] setpgid(0, 0) = 0
[pid 5839] <... clone resumed>, child_tidptr=0x5555930ad650) = 5896
[pid 5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5896] write(3, "1000", 4) = 4
[pid 5896] close(3) = 0
executing program
[pid 5896] write(1, "executing program\n", 18) = 18
[pid 5896] memfd_create("syzkaller", 0) = 3
[pid 5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5896] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5896] munmap(0x7efc93600000, 138412032) = 0
[pid 5896] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5896] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5896] ioctl(4, LOOP_CLR_FD) = 0
[pid 5896] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5896] close(4) = 0
[pid 5896] close(3) = 0
[pid 5896] exit_group(0) = ?
[pid 5896] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=12 /* 0.12 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 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 5898 attached
, child_tidptr=0x5555930ad650) = 5898
[pid 5898] set_robust_list(0x5555930ad660, 24) = 0
[pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5898] setpgid(0, 0) = 0
[pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5898] write(3, "1000", 4) = 4
[pid 5898] close(3) = 0
executing program
[pid 5898] write(1, "executing program\n", 18) = 18
[pid 5898] memfd_create("syzkaller", 0) = 3
[pid 5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5898] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5898] munmap(0x7efc93600000, 138412032) = 0
[pid 5898] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5898] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5898] ioctl(4, LOOP_CLR_FD) = 0
[pid 5898] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5898] close(4) = 0
[pid 5898] close(3) = 0
[pid 5898] exit_group(0) = ?
[pid 5898] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 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 5900 attached
, child_tidptr=0x5555930ad650) = 5900
[pid 5900] set_robust_list(0x5555930ad660, 24) = 0
[pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5900] setpgid(0, 0) = 0
[pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5900] write(3, "1000", 4) = 4
[pid 5900] close(3) = 0
[pid 5900] write(1, "executing program\n", 18executing program
) = 18
[pid 5900] memfd_create("syzkaller", 0) = 3
[pid 5900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5900] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5900] munmap(0x7efc93600000, 138412032) = 0
[pid 5900] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5900] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5900] ioctl(4, LOOP_CLR_FD) = 0
[pid 5900] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5900] close(4) = 0
[pid 5900] close(3) = 0
[pid 5900] exit_group(0) = ?
[pid 5900] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=15 /* 0.15 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 5903 attached
[pid 5903] set_robust_list(0x5555930ad660, 24) = 0
[pid 5903] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5839] <... clone resumed>, child_tidptr=0x5555930ad650) = 5903
[pid 5903] <... prctl resumed>) = 0
[pid 5903] setpgid(0, 0) = 0
[pid 5903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5903] write(3, "1000", 4) = 4
[pid 5903] close(3) = 0
executing program
[pid 5903] write(1, "executing program\n", 18) = 18
[pid 5903] memfd_create("syzkaller", 0) = 3
[pid 5903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5903] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5903] munmap(0x7efc93600000, 138412032) = 0
[pid 5903] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5903] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5903] ioctl(4, LOOP_CLR_FD) = 0
[pid 5903] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5903] close(4) = 0
[pid 5903] close(3) = 0
[pid 5903] exit_group(0) = ?
[pid 5903] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=11 /* 0.11 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 5906 attached
, child_tidptr=0x5555930ad650) = 5906
[pid 5906] set_robust_list(0x5555930ad660, 24) = 0
[pid 5906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5906] setpgid(0, 0) = 0
[pid 5906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5906] write(3, "1000", 4) = 4
[pid 5906] close(3) = 0
[pid 5906] write(1, "executing program\n", 18executing program
) = 18
[pid 5906] memfd_create("syzkaller", 0) = 3
[pid 5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5906] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5906] munmap(0x7efc93600000, 138412032) = 0
[pid 5906] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5906] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5906] ioctl(4, LOOP_CLR_FD) = 0
[pid 5906] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5906] close(4) = 0
[pid 5906] close(3) = 0
[pid 5906] exit_group(0) = ?
[pid 5906] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=13 /* 0.13 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 5909 attached
[pid 5909] set_robust_list(0x5555930ad660, 24) = 0
[pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5839] <... clone resumed>, child_tidptr=0x5555930ad650) = 5909
[pid 5909] <... prctl resumed>) = 0
[pid 5909] setpgid(0, 0) = 0
[pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5909] write(3, "1000", 4) = 4
[pid 5909] close(3) = 0
executing program
[pid 5909] write(1, "executing program\n", 18) = 18
[pid 5909] memfd_create("syzkaller", 0) = 3
[pid 5909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5909] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5909] munmap(0x7efc93600000, 138412032) = 0
[pid 5909] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5909] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5909] ioctl(4, LOOP_CLR_FD) = 0
[pid 5909] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5909] close(4) = 0
[pid 5909] close(3) = 0
[pid 5909] exit_group(0) = ?
[pid 5909] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=13 /* 0.13 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 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 5911 attached
[pid 5911] set_robust_list(0x5555930ad660, 24) = 0
[pid 5911] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5839] <... clone resumed>, child_tidptr=0x5555930ad650) = 5911
[pid 5911] <... prctl resumed>) = 0
[pid 5911] setpgid(0, 0) = 0
[pid 5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5911] write(3, "1000", 4) = 4
[pid 5911] close(3) = 0
[pid 5911] write(1, "executing program\n", 18executing program
) = 18
[pid 5911] memfd_create("syzkaller", 0) = 3
[pid 5911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5911] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5911] munmap(0x7efc93600000, 138412032) = 0
[pid 5911] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5911] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5911] ioctl(4, LOOP_CLR_FD) = 0
[pid 5911] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5911] close(4) = 0
[pid 5911] close(3) = 0
[pid 5911] exit_group(0) = ?
[pid 5911] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5911, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=12 /* 0.12 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 5914 attached
[pid 5914] set_robust_list(0x5555930ad660, 24) = 0
[pid 5914] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5839] <... clone resumed>, child_tidptr=0x5555930ad650) = 5914
[pid 5914] <... prctl resumed>) = 0
[pid 5914] setpgid(0, 0) = 0
[pid 5914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5914] write(3, "1000", 4) = 4
[pid 5914] close(3) = 0
executing program
[pid 5914] write(1, "executing program\n", 18) = 18
[pid 5914] memfd_create("syzkaller", 0) = 3
[pid 5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5914] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5914] munmap(0x7efc93600000, 138412032) = 0
[pid 5914] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5914] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5914] ioctl(4, LOOP_CLR_FD) = 0
[pid 5914] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5914] close(4) = 0
[pid 5914] close(3) = 0
[pid 5914] exit_group(0) = ?
[pid 5914] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=15 /* 0.15 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 5917 attached
, child_tidptr=0x5555930ad650) = 5917
[pid 5917] set_robust_list(0x5555930ad660, 24) = 0
[pid 5917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5917] setpgid(0, 0) = 0
[pid 5917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5917] write(3, "1000", 4) = 4
[pid 5917] close(3) = 0
[pid 5917] write(1, "executing program\n", 18executing program
) = 18
[pid 5917] memfd_create("syzkaller", 0) = 3
[pid 5917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5917] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5917] munmap(0x7efc93600000, 138412032) = 0
[pid 5917] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5917] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5917] ioctl(4, LOOP_CLR_FD) = 0
[pid 5917] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5917] close(4) = 0
[pid 5917] close(3) = 0
[pid 5917] exit_group(0) = ?
[pid 5917] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5917, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 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 5920 attached
[pid 5920] set_robust_list(0x5555930ad660, 24
[pid 5839] <... clone resumed>, child_tidptr=0x5555930ad650) = 5920
[pid 5920] <... set_robust_list resumed>) = 0
[pid 5920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5920] setpgid(0, 0) = 0
[pid 5920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5920] write(3, "1000", 4) = 4
[pid 5920] close(3executing program
) = 0
[pid 5920] write(1, "executing program\n", 18) = 18
[pid 5920] memfd_create("syzkaller", 0) = 3
[pid 5920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5920] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5920] munmap(0x7efc93600000, 138412032) = 0
[pid 5920] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5920] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5920] ioctl(4, LOOP_CLR_FD) = 0
[pid 5920] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5920] close(4) = 0
[pid 5920] close(3) = 0
[pid 5920] exit_group(0) = ?
[pid 5920] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5920, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=14 /* 0.14 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 5923 attached
[pid 5923] set_robust_list(0x5555930ad660, 24) = 0
[pid 5923] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5839] <... clone resumed>, child_tidptr=0x5555930ad650) = 5923
[pid 5923] <... prctl resumed>) = 0
[pid 5923] setpgid(0, 0) = 0
[pid 5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5923] write(3, "1000", 4) = 4
[pid 5923] close(3) = 0
[pid 5923] write(1, "executing program\n", 18executing program
) = 18
[pid 5923] memfd_create("syzkaller", 0) = 3
[pid 5923] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5923] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5923] munmap(0x7efc93600000, 138412032) = 0
[pid 5923] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5923] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5923] ioctl(4, LOOP_CLR_FD) = 0
[pid 5923] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5923] close(4) = 0
[pid 5923] close(3) = 0
[pid 5923] exit_group(0) = ?
[pid 5923] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5923, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=14 /* 0.14 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 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 5925 attached
[pid 5925] set_robust_list(0x5555930ad660, 24) = 0
[pid 5925] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5839] <... clone resumed>, child_tidptr=0x5555930ad650) = 5925
[pid 5925] <... prctl resumed>) = 0
[pid 5925] setpgid(0, 0) = 0
[pid 5925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5925] write(3, "1000", 4) = 4
[pid 5925] close(3) = 0
executing program
[pid 5925] write(1, "executing program\n", 18) = 18
[pid 5925] memfd_create("syzkaller", 0) = 3
[pid 5925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000
[pid 5925] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5925] munmap(0x7efc93600000, 138412032) = 0
[pid 5925] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5925] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5925] ioctl(4, LOOP_CLR_FD) = 0
[pid 5925] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 5925] close(4) = 0
[pid 5925] close(3) = 0
[pid 5925] exit_group(0) = ?
[pid 5925] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5925, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=14 /* 0.14 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 5928 attached
[pid 5928] set_robust_list(0x5555930ad660, 24) = 0
[pid 5928] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 5839] <... clone resumed>, child_tidptr=0x5555930ad650) = 5928
[pid 5928] <... prctl resumed>) = 0
[pid 5928] setpgid(0, 0) = 0
[pid 5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5928] write(3, "1000", 4) = 4
[pid 5928] close(3) = 0
executing program
[pid 5928] write(1, "executing program\n", 18) = 18
[pid 5928] memfd_create("syzkaller", 0) = 3
[pid 5928] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efc93600000