./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1442091095

<...>
Warning: Permanently added '10.128.0.39' (ED25519) to the list of known hosts.
execve("./syz-executor1442091095", ["./syz-executor1442091095"], 0x7ffd779f9e00 /* 10 vars */) = 0
brk(NULL)                               = 0x555582d9f000
brk(0x555582d9fd00)                     = 0x555582d9fd00
arch_prctl(ARCH_SET_FS, 0x555582d9f380) = 0
set_tid_address(0x555582d9f650)         = 5085
set_robust_list(0x555582d9f660, 24)     = 0
rseq(0x555582d9fca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1442091095", 4096) = 28
getrandom("\xca\x1a\xb8\x13\x9f\x6b\xd0\xc5", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555582d9fd00
brk(0x555582dc0d00)                     = 0x555582dc0d00
brk(0x555582dc1000)                     = 0x555582dc1000
mprotect(0x7f1b70e11000, 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 5086 attached
, child_tidptr=0x555582d9f650) = 5086
[pid  5086] set_robust_list(0x555582d9f660, 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
executing program
[pid  5086] write(1, "executing program\n", 18) = 18
[pid  5086] memfd_create("syzkaller", 0) = 3
[pid  5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[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"..., 16777216) = 16777216
[pid  5086] munmap(0x7f1b68800000, 138412032) = 0
[pid  5086] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5086] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5086] close(3)                    = 0
[pid  5086] close(4)                    = 0
[pid  5086] mkdir("./file0", 0777)      = 0
[   73.115445][ T5086] loop0: detected capacity change from 0 to 32768
[   73.202557][ T5086] bcachefs (loop0): mounting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[   73.218264][ T5086] bcachefs (loop0): recovering from clean shutdown, journal seq 10
[   73.240782][ T5086] bcachefs (loop0): alloc_read... done
[   73.246775][ T5086] bcachefs (loop0): stripes_read... done
[pid  5086] mount("/dev/loop0", "./file0", "bcachefs", MS_NOSUID|MS_DIRSYNC, "") = 0
[pid  5086] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5086] chdir("./file0")            = 0
[pid  5086] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5086] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5086] close(4)                    = 0
[   73.252515][ T5086] bcachefs (loop0): snapshots_read... done
[   73.261440][ T5086] bcachefs (loop0): journal_replay... done
[   73.267390][ T5086] bcachefs (loop0): resume_logged_ops... done
[   73.273751][ T5086] bcachefs (loop0): going read-write
[   73.282425][ T5086] bcachefs (loop0): done starting filesystem
[pid  5086] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  5086] fcntl(4, F_SETFL, O_RDONLY) = 0
[pid  5086] dup(4)                      = 5
[pid  5086] pwritev2(5, [{iov_base="\xaa", iov_len=1}], 1, 55489, 0) = 1
[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=1 /* 0.01 s */, si_stime=29 /* 0.29 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5098 attached
, child_tidptr=0x555582d9f650) = 5098
[pid  5098] set_robust_list(0x555582d9f660, 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] write(1, "executing program\n", 18executing program
) = 18
[pid  5098] memfd_create("syzkaller", 0) = 3
[pid  5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[pid  5098] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5098] munmap(0x7f1b68800000, 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, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5098] fcntl(3, F_SETFL, O_RDONLY) = 0
[pid  5098] dup(3)                      = 4
[pid  5098] pwritev2(4, [{iov_base="\xaa", iov_len=1}], 1, 55489, 0) = 1
[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=4 /* 0.04 s */, si_stime=22 /* 0.22 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5099 attached
, child_tidptr=0x555582d9f650) = 5099
[pid  5099] set_robust_list(0x555582d9f660, 24) = 0
[pid  5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5099] setpgid(0, 0)               = 0
[pid  5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5099] write(3, "1000", 4)         = 4
[pid  5099] close(3)                    = 0
[pid  5099] write(1, "executing program\n", 18executing program
) = 18
[pid  5099] memfd_create("syzkaller", 0) = 3
[pid  5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[pid  5099] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5099] munmap(0x7f1b68800000, 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, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5099] fcntl(3, F_SETFL, O_RDONLY) = 0
[pid  5099] dup(3)                      = 4
[pid  5099] pwritev2(4, [{iov_base="\xaa", iov_len=1}], 1, 55489, 0) = 1
[pid  5099] exit_group(0)               = ?
[pid  5099] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=21 /* 0.21 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5100 attached
, child_tidptr=0x555582d9f650) = 5100
[pid  5100] set_robust_list(0x555582d9f660, 24) = 0
[pid  5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5100] setpgid(0, 0)               = 0
[pid  5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5100] write(3, "1000", 4)         = 4
[pid  5100] close(3)                    = 0
[pid  5100] write(1, "executing program\n", 18executing program
) = 18
[pid  5100] memfd_create("syzkaller", 0) = 3
[pid  5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[pid  5100] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5100] munmap(0x7f1b68800000, 138412032) = 0
[pid  5100] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5100] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5100] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5100] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5100] close(4)                    = 0
[pid  5100] close(3)                    = 0
[pid  5100] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5100] fcntl(3, F_SETFL, O_RDONLY) = 0
[pid  5100] dup(3)                      = 4
[pid  5100] pwritev2(4, [{iov_base="\xaa", iov_len=1}], 1, 55489, 0) = 1
[pid  5100] exit_group(0)               = ?
[pid  5100] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=23 /* 0.23 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5102 attached
 <unfinished ...>
[pid  5102] set_robust_list(0x555582d9f660, 24 <unfinished ...>
[pid  5085] <... clone resumed>, child_tidptr=0x555582d9f650) = 5102
[pid  5102] <... set_robust_list resumed>) = 0
[pid  5102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5102] setpgid(0, 0)               = 0
[pid  5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5102] write(3, "1000", 4)         = 4
[pid  5102] close(3)                    = 0
executing program
[pid  5102] write(1, "executing program\n", 18) = 18
[pid  5102] memfd_create("syzkaller", 0) = 3
[pid  5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[pid  5102] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5102] munmap(0x7f1b68800000, 138412032) = 0
[pid  5102] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5102] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5102] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5102] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5102] close(4)                    = 0
[pid  5102] close(3)                    = 0
[pid  5102] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5102] fcntl(3, F_SETFL, O_RDONLY) = 0
[pid  5102] dup(3)                      = 4
[pid  5102] pwritev2(4, [{iov_base="\xaa", iov_len=1}], 1, 55489, 0) = 1
[pid  5102] exit_group(0)               = ?
[pid  5102] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=23 /* 0.23 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5103 attached
 <unfinished ...>
[pid  5103] set_robust_list(0x555582d9f660, 24 <unfinished ...>
[pid  5085] <... clone resumed>, child_tidptr=0x555582d9f650) = 5103
[pid  5103] <... set_robust_list resumed>) = 0
[pid  5103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5103] setpgid(0, 0)               = 0
[pid  5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5103] write(3, "1000", 4)         = 4
[pid  5103] close(3)                    = 0
executing program
[pid  5103] write(1, "executing program\n", 18) = 18
[pid  5103] memfd_create("syzkaller", 0) = 3
[pid  5103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[pid  5103] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5103] munmap(0x7f1b68800000, 138412032) = 0
[pid  5103] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5103] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5103] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5103] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5103] close(4)                    = 0
[pid  5103] close(3)                    = 0
[pid  5103] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5103] fcntl(3, F_SETFL, O_RDONLY) = 0
[pid  5103] dup(3)                      = 4
[pid  5103] pwritev2(4, [{iov_base="\xaa", iov_len=1}], 1, 55489, 0) = 1
[pid  5103] exit_group(0)               = ?
[pid  5103] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=23 /* 0.23 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5104 attached
 <unfinished ...>
[pid  5104] set_robust_list(0x555582d9f660, 24) = 0
[pid  5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5104] setpgid(0, 0 <unfinished ...>
[pid  5085] <... clone resumed>, child_tidptr=0x555582d9f650) = 5104
[pid  5104] <... setpgid resumed>)      = 0
[pid  5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5104] write(3, "1000", 4)         = 4
[pid  5104] close(3)                    = 0
[pid  5104] write(1, "executing program\n", 18executing program
) = 18
[pid  5104] memfd_create("syzkaller", 0) = 3
[pid  5104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[pid  5104] 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  5104] munmap(0x7f1b68800000, 138412032) = 0
[pid  5104] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5104] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5104] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5104] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5104] close(4)                    = 0
[pid  5104] close(3)                    = 0
[pid  5104] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5104] fcntl(3, F_SETFL, O_RDONLY) = 0
[pid  5104] dup(3)                      = 4
[pid  5104] pwritev2(4, [{iov_base="\xaa", iov_len=1}], 1, 55489, 0) = 1
[pid  5104] exit_group(0)               = ?
[pid  5104] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5105 attached
 <unfinished ...>
[pid  5105] set_robust_list(0x555582d9f660, 24) = 0
[pid  5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5105] setpgid(0, 0 <unfinished ...>
[pid  5085] <... clone resumed>, child_tidptr=0x555582d9f650) = 5105
[pid  5105] <... setpgid resumed>)      = 0
[pid  5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5105] write(3, "1000", 4)         = 4
[pid  5105] close(3executing program
)                    = 0
[pid  5105] write(1, "executing program\n", 18) = 18
[pid  5105] memfd_create("syzkaller", 0) = 3
[pid  5105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[pid  5105] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5105] munmap(0x7f1b68800000, 138412032) = 0
[pid  5105] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5105] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5105] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5105] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5105] close(4)                    = 0
[pid  5105] close(3)                    = 0
[pid  5105] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5105] fcntl(3, F_SETFL, O_RDONLY) = 0
[pid  5105] dup(3)                      = 4
[pid  5105] pwritev2(4, [{iov_base="\xaa", iov_len=1}], 1, 55489, 0) = 1
[pid  5105] exit_group(0)               = ?
[pid  5105] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=19 /* 0.19 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5106 attached
, child_tidptr=0x555582d9f650) = 5106
[pid  5106] set_robust_list(0x555582d9f660, 24) = 0
[pid  5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5106] setpgid(0, 0)               = 0
[pid  5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5106] write(3, "1000", 4)         = 4
[pid  5106] close(3)                    = 0
[pid  5106] write(1, "executing program\n", 18executing program
) = 18
[pid  5106] memfd_create("syzkaller", 0) = 3
[pid  5106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[pid  5106] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5106] munmap(0x7f1b68800000, 138412032) = 0
[pid  5106] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5106] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5106] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5106] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5106] close(4)                    = 0
[pid  5106] close(3)                    = 0
[pid  5106] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5106] fcntl(3, F_SETFL, O_RDONLY) = 0
[pid  5106] dup(3)                      = 4
[pid  5106] pwritev2(4, [{iov_base="\xaa", iov_len=1}], 1, 55489, 0) = 1
[pid  5106] exit_group(0)               = ?
[pid  5106] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=19 /* 0.19 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 5107 attached
 <unfinished ...>
[pid  5107] set_robust_list(0x555582d9f660, 24) = 0
[pid  5107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5107] setpgid(0, 0 <unfinished ...>
[pid  5085] <... clone resumed>, child_tidptr=0x555582d9f650) = 5107
[pid  5107] <... setpgid resumed>)      = 0
[pid  5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5107] write(3, "1000", 4)         = 4
[pid  5107] close(3)                    = 0
executing program
[pid  5107] write(1, "executing program\n", 18) = 18
[pid  5107] memfd_create("syzkaller", 0) = 3
[pid  5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[pid  5107] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5107] munmap(0x7f1b68800000, 138412032) = 0
[pid  5107] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5107] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5107] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5107] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5107] close(4)                    = 0
[pid  5107] close(3)                    = 0
[pid  5107] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5107] fcntl(3, F_SETFL, O_RDONLY) = 0
[pid  5107] dup(3)                      = 4
[pid  5107] pwritev2(4, [{iov_base="\xaa", iov_len=1}], 1, 55489, 0) = 1
[pid  5107] exit_group(0)               = ?
[pid  5107] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5108 attached
 <unfinished ...>
[pid  5108] set_robust_list(0x555582d9f660, 24 <unfinished ...>
[pid  5085] <... clone resumed>, child_tidptr=0x555582d9f650) = 5108
[pid  5108] <... set_robust_list resumed>) = 0
[pid  5108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5108] setpgid(0, 0)               = 0
[pid  5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5108] write(3, "1000", 4)         = 4
[pid  5108] close(3)                    = 0
executing program
[pid  5108] write(1, "executing program\n", 18) = 18
[pid  5108] memfd_create("syzkaller", 0) = 3
[pid  5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[pid  5108] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5108] munmap(0x7f1b68800000, 138412032) = 0
[pid  5108] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5108] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5108] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5108] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5108] close(4)                    = 0
[pid  5108] close(3)                    = 0
[pid  5108] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5108] fcntl(3, F_SETFL, O_RDONLY) = 0
[pid  5108] dup(3)                      = 4
[pid  5108] pwritev2(4, [{iov_base="\xaa", iov_len=1}], 1, 55489, 0) = 1
[pid  5108] exit_group(0)               = ?
[pid  5108] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5109 attached
 <unfinished ...>
[pid  5109] set_robust_list(0x555582d9f660, 24 <unfinished ...>
[pid  5085] <... clone resumed>, child_tidptr=0x555582d9f650) = 5109
[pid  5109] <... set_robust_list resumed>) = 0
[pid  5109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5109] setpgid(0, 0)               = 0
[pid  5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5109] write(3, "1000", 4)         = 4
[pid  5109] close(3)                    = 0
[pid  5109] write(1, "executing program\n", 18executing program
) = 18
[pid  5109] memfd_create("syzkaller", 0) = 3
[pid  5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[pid  5109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5109] munmap(0x7f1b68800000, 138412032) = 0
[pid  5109] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5109] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5109] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5109] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5109] close(4)                    = 0
[pid  5109] close(3)                    = 0
[pid  5109] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5109] fcntl(3, F_SETFL, O_RDONLY) = 0
[pid  5109] dup(3)                      = 4
[pid  5109] pwritev2(4, [{iov_base="\xaa", iov_len=1}], 1, 55489, 0) = 1
[pid  5109] exit_group(0)               = ?
[pid  5109] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=24 /* 0.24 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5110 attached
 <unfinished ...>
[pid  5110] set_robust_list(0x555582d9f660, 24) = 0
[pid  5110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5110] setpgid(0, 0 <unfinished ...>
[pid  5085] <... clone resumed>, child_tidptr=0x555582d9f650) = 5110
[pid  5110] <... setpgid resumed>)      = 0
[pid  5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5110] write(3, "1000", 4)         = 4
[pid  5110] close(3)                    = 0
[pid  5110] write(1, "executing program\n", 18executing program
) = 18
[pid  5110] memfd_create("syzkaller", 0) = 3
[pid  5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[pid  5110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5110] munmap(0x7f1b68800000, 138412032) = 0
[pid  5110] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5110] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5110] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5110] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5110] close(4)                    = 0
[pid  5110] close(3)                    = 0
[pid  5110] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5110] fcntl(3, F_SETFL, O_RDONLY) = 0
[pid  5110] dup(3)                      = 4
[pid  5110] pwritev2(4, [{iov_base="\xaa", iov_len=1}], 1, 55489, 0) = 1
[pid  5110] exit_group(0)               = ?
[pid  5110] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5111 attached
, child_tidptr=0x555582d9f650) = 5111
[pid  5111] set_robust_list(0x555582d9f660, 24) = 0
[pid  5111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5111] setpgid(0, 0)               = 0
[pid  5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5111] write(3, "1000", 4)         = 4
[pid  5111] close(3)                    = 0
[pid  5111] write(1, "executing program\n", 18executing program
) = 18
[pid  5111] memfd_create("syzkaller", 0) = 3
[pid  5111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[pid  5111] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5111] munmap(0x7f1b68800000, 138412032) = 0
[pid  5111] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5111] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5111] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5111] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5111] close(4)                    = 0
[pid  5111] close(3)                    = 0
[pid  5111] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5111] fcntl(3, F_SETFL, O_RDONLY) = 0
[pid  5111] dup(3)                      = 4
[pid  5111] pwritev2(4, [{iov_base="\xaa", iov_len=1}], 1, 55489, 0) = 1
[pid  5111] exit_group(0)               = ?
[pid  5111] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = 0
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5112 attached
, child_tidptr=0x555582d9f650) = 5112
[pid  5112] set_robust_list(0x555582d9f660, 24) = 0
[pid  5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5112] setpgid(0, 0)               = 0
[pid  5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5112] write(3, "1000", 4)         = 4
[pid  5112] close(3)                    = 0
[   78.360081][ T1036] ------------[ cut here ]------------
[   78.366184][ T1036] kernel BUG at fs/bcachefs/compress.c:398!
[   78.372311][ T1036] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
[   78.379248][ T1036] CPU: 1 PID: 1036 Comm: kworker/u8:5 Not tainted 6.10.0-rc7-syzkaller-00012-g34afb82a3c67 #0
[   78.389485][ T1036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[   78.399556][ T1036] Workqueue: writeback wb_workfn (flush-bcachefs-1)
executing program
[pid  5112] write(1, "executing program\n", 18) = 18
[pid  5112] memfd_create("syzkaller", 0) = 3
[pid  5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[   78.406171][ T1036] RIP: 0010:bch2_bio_compress+0x13a1/0x13e0
[   78.412087][ T1036] Code: e1 07 38 c1 0f 8c 77 fb ff ff be 14 00 00 00 4c 89 ef e8 52 6d dc fd e9 65 fb ff ff e8 48 00 7a fd 90 0f 0b e8 40 00 7a fd 90 <0f> 0b e8 38 00 7a fd 90 0f 0b e8 00 0f 61 07 e8 2b 00 7a fd 90 0f
[   78.431717][ T1036] RSP: 0018:ffffc9000403e660 EFLAGS: 00010293
[   78.437800][ T1036] RAX: ffffffff841c2680 RBX: ffff8880769c7e78 RCX: ffff888021ddda00
[   78.445799][ T1036] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004
[   78.453773][ T1036] RBP: ffffc9000403e8f0 R08: ffffffff841c14df R09: 0000000000000003
[   78.461777][ T1036] R10: ffffc9000403ed00 R11: fffff52000807da5 R12: 00000000000002e0
[   78.469757][ T1036] R13: ffff888076845688 R14: dffffc0000000000 R15: 0000000000000004
[   78.477740][ T1036] FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[   78.486688][ T1036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.493283][ T1036] CR2: 00007f1b70de0db8 CR3: 0000000079450000 CR4: 00000000003506f0
[   78.501264][ T1036] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   78.509243][ T1036] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   78.517221][ T1036] Call Trace:
[   78.520522][ T1036]  <TASK>
[   78.523459][ T1036]  ? __die_body+0x88/0xe0
[   78.527857][ T1036]  ? die+0xcf/0x110
[   78.531685][ T1036]  ? do_trap+0x15a/0x3a0
[   78.535921][ T1036]  ? bch2_bio_compress+0x13a1/0x13e0
[   78.541214][ T1036]  ? do_error_trap+0x1dc/0x2c0
[   78.545996][ T1036]  ? bch2_bio_compress+0x13a1/0x13e0
[   78.551310][ T1036]  ? __pfx_do_error_trap+0x10/0x10
[   78.556439][ T1036]  ? report_bug+0x3e8/0x500
[   78.560973][ T1036]  ? handle_invalid_op+0x34/0x40
[   78.565927][ T1036]  ? bch2_bio_compress+0x13a1/0x13e0
[   78.571237][ T1036]  ? exc_invalid_op+0x38/0x50
[   78.575931][ T1036]  ? asm_exc_invalid_op+0x1a/0x20
[   78.580983][ T1036]  ? bch2_bio_compress+0x1ff/0x13e0
[   78.586206][ T1036]  ? bch2_bio_compress+0x13a0/0x13e0
[   78.591547][ T1036]  ? bch2_bio_compress+0x13a1/0x13e0
[   78.596867][ T1036]  ? mempool_alloc_noprof+0x1a6/0x5a0
[   78.602271][ T1036]  ? __pfx_bch2_bio_compress+0x10/0x10
[   78.607847][ T1036]  ? alloc_pages_mpol_noprof+0x417/0x680
[   78.613503][ T1036]  ? bio_add_page+0x3f8/0x840
[   78.618206][ T1036]  ? __pfx_alloc_pages_mpol_noprof+0x10/0x10
[   78.624215][ T1036]  ? __bch2_write+0x1279/0x5c40
[   78.629092][ T1036]  __bch2_write+0x1537/0x5c40
[   78.633802][ T1036]  ? mark_lock+0x9a/0x350
[   78.638167][ T1036]  ? __pfx___bch2_write+0x10/0x10
[   78.643220][ T1036]  ? filemap_get_folios_tag+0x1a9/0x900
[   78.648789][ T1036]  ? __pfx_lock_release+0x10/0x10
[   78.653850][ T1036]  ? xas_find_marked+0x178/0x10e0
[   78.658899][ T1036]  ? filemap_get_folios_tag+0x1a9/0x900
[   78.664451][ T1036]  ? filemap_get_folios_tag+0x70d/0x900
[   78.670114][ T1036]  ? mlock_drain_local+0x79/0x490
[   78.675166][ T1036]  bch2_write+0x947/0x1670
[   78.679580][ T1036]  ? writeback_iter+0x1241/0x18d0
[   78.684616][ T1036]  ? __pfx_bch2_write+0x10/0x10
[   78.689468][ T1036]  ? __pfx_write_cache_pages+0x10/0x10
[   78.694949][ T1036]  ? bch2_inode_opts_get+0x543/0x900
[   78.700243][ T1036]  ? blk_start_plug+0x53/0x1b0
[   78.705024][ T1036]  bch2_writepages+0x27d/0x380
[   78.709814][ T1036]  ? __pfx_bch2_writepages+0x10/0x10
[   78.715111][ T1036]  ? do_raw_spin_unlock+0x13c/0x8b0
[   78.720332][ T1036]  ? __pfx_bch2_writepages+0x10/0x10
[   78.725615][ T1036]  do_writepages+0x359/0x870
[   78.730204][ T1036]  ? __pfx_do_writepages+0x10/0x10
[   78.735330][ T1036]  ? __pfx_lock_acquire+0x10/0x10
[   78.740380][ T1036]  ? writeback_sb_inodes+0x5ea/0x1380
[   78.745793][ T1036]  ? __pfx_lock_release+0x10/0x10
[   78.750834][ T1036]  ? do_raw_spin_lock+0x14f/0x370
[   78.755909][ T1036]  __writeback_single_inode+0x165/0x10b0
[   78.761570][ T1036]  writeback_sb_inodes+0x99c/0x1380
[   78.766858][ T1036]  ? __pfx_writeback_sb_inodes+0x10/0x10
[   78.772568][ T1036]  ? __pfx_down_read_trylock+0x10/0x10
[   78.778080][ T1036]  ? __pfx_move_expired_inodes+0x10/0x10
[   78.783738][ T1036]  ? do_raw_spin_lock+0x14f/0x370
[   78.788797][ T1036]  __writeback_inodes_wb+0x11b/0x260
[   78.794112][ T1036]  wb_writeback+0x495/0xd40
[   78.798645][ T1036]  ? queue_io+0x3b1/0x5a0
[   78.802998][ T1036]  ? __pfx_wb_writeback+0x10/0x10
[   78.808055][ T1036]  wb_workfn+0xc58/0x1090
[   78.812410][ T1036]  ? __pfx_wb_workfn+0x10/0x10
[   78.817211][ T1036]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[   78.823215][ T1036]  ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[   78.829566][ T1036]  ? process_scheduled_works+0x945/0x1830
[   78.835307][ T1036]  process_scheduled_works+0xa2c/0x1830
[   78.840877][ T1036]  ? __pfx_process_scheduled_works+0x10/0x10
[   78.846871][ T1036]  ? assign_work+0x364/0x3d0
[   78.851483][ T1036]  worker_thread+0x86d/0xd50
[   78.856078][ T1036]  ? __kthread_parkme+0x169/0x1d0
[pid  5112] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid  5112] munmap(0x7f1b68800000, 138412032) = 0
[pid  5112] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5112] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5112] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5112] ioctl(4, LOOP_SET_FD, 3)    = -1 EBUSY (Device or resource busy)
[pid  5112] close(4)                    = 0
[pid  5112] close(3)                    = 0
[pid  5112] openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 3
[pid  5112] fcntl(3, F_SETFL, O_RDONLY) = 0
[pid  5112] dup(3)                      = 4
[pid  5112] pwritev2(4, [{iov_base="\xaa", iov_len=1}], 1, 55489, 0) = 1
[pid  5112] exit_group(0)               = ?
[pid  5112] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=21 /* 0.21 s */} ---
[   78.861101][ T1036]  ? __pfx_worker_thread+0x10/0x10
[   78.866231][ T1036]  kthread+0x2f0/0x390
[   78.870315][ T1036]  ? __pfx_worker_thread+0x10/0x10
[   78.875474][ T1036]  ? __pfx_kthread+0x10/0x10
[   78.880060][ T1036]  ret_from_fork+0x4b/0x80
[   78.884514][ T1036]  ? __pfx_kthread+0x10/0x10
[   78.889128][ T1036]  ret_from_fork_asm+0x1a/0x30
[   78.893924][ T1036]  </TASK>
[   78.896970][ T1036] Modules linked in:
[   78.903016][ T1036] ---[ end trace 0000000000000000 ]---
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=0x555582d9f650) = 5113
./strace-static-x86_64: Process 5113 attached
[pid  5113] set_robust_list(0x555582d9f660, 24) = 0
[pid  5113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5113] setpgid(0, 0)               = 0
[pid  5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5113] write(3, "1000", 4)         = 4
executing program
[pid  5113] close(3)                    = 0
[pid  5113] write(1, "executing program\n", 18) = 18
[pid  5113] memfd_create("syzkaller", 0) = 3
[pid  5113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1b68800000
[   78.908901][ T1036] RIP: 0010:bch2_bio_compress+0x13a1/0x13e0
[   78.914836][ T1036] Code: e1 07 38 c1 0f 8c 77 fb ff ff be 14 00 00 00 4c 89 ef e8 52 6d dc fd e9 65 fb ff ff e8 48 00 7a fd 90 0f 0b e8 40 00 7a fd 90 <0f> 0b e8 38 00 7a fd 90 0f 0b e8 00 0f 61 07 e8 2b 00 7a fd 90 0f
[   78.935076][ T1036] RSP: 0018:ffffc9000403e660 EFLAGS: 00010293
[   78.941628][ T1036] RAX: ffffffff841c2680 RBX: ffff8880769c7e78 RCX: ffff888021ddda00
[   78.950076][ T1036] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004
[   78.959281][ T1036] RBP: ffffc9000403e8f0 R08: ffffffff841c14df R09: 0000000000000003
[   78.967685][ T1036] R10: ffffc9000403ed00 R11: fffff52000807da5 R12: 00000000000002e0
[   78.975925][ T1036] R13: ffff888076845688 R14: dffffc0000000000 R15: 0000000000000004
[   78.983987][ T1036] FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[   78.995358][ T1036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.001968][ T1036] CR2: 00007f1b70de0db8 CR3: 000000007d568000 CR4: 00000000003506f0
[   79.010423][ T1036] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   79.018929][ T1036] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   79.027221][ T1036] Kernel panic - not syncing: Fatal exception
[   79.033656][ T1036] Kernel Offset: disabled
[   79.037980][ T1036] Rebooting in 86400 seconds..