./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3625925695

<...>
Warning: Permanently added '10.128.1.178' (ED25519) to the list of known hosts.
execve("./syz-executor3625925695", ["./syz-executor3625925695"], 0x7ffdde057bb0 /* 10 vars */) = 0
brk(NULL)                               = 0x555575018000
brk(0x555575018d00)                     = 0x555575018d00
arch_prctl(ARCH_SET_FS, 0x555575018380) = 0
set_tid_address(0x555575018650)         = 5836
set_robust_list(0x555575018660, 24)     = 0
rseq(0x555575018ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3625925695", 4096) = 28
getrandom("\xba\x54\x8a\x31\xb6\x59\x77\x1c", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555575018d00
brk(0x555575039d00)                     = 0x555575039d00
brk(0x55557503a000)                     = 0x55557503a000
mprotect(0x7f572b2d3000, 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
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5837 attached
 <unfinished ...>
[pid  5837] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x555575018650) = 5837
[pid  5837] <... set_robust_list resumed>) = 0
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached
 <unfinished ...>
[pid  5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5838] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x555575018650) = 5838
[pid  5838] <... set_robust_list resumed>) = 0
[pid  5837] <... openat resumed>)       = 3
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5837] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5839 attached
 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x555575018650) = 5839
[pid  5838] <... openat resumed>)       = 3
[pid  5839] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5837] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5839] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5840 attached
[pid  5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5838] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5837] close(3 <unfinished ...>
[pid  5836] <... clone resumed>, child_tidptr=0x555575018650) = 5840
[pid  5840] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5839] <... openat resumed>)       = 3
[pid  5838] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5837] <... close resumed>)        = 0
[pid  5840] <... set_robust_list resumed>) = 0
[pid  5838] close(3)                    = 0
[pid  5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5839] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5839] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
./strace-static-x86_64: Process 5842 attached
[pid  5839] close(3)                    = 0
[pid  5842] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached
 <unfinished ...>
[pid  5842] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5845 attached
./strace-static-x86_64: Process 5844 attached
[pid  5843] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5842] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5840] <... openat resumed>)       = 3
[pid  5843] <... set_robust_list resumed>) = 0
[pid  5842] <... prctl resumed>)        = 0
[pid  5839] <... clone resumed>, child_tidptr=0x555575018650) = 5844
[pid  5845] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5842] setpgid(0, 0 <unfinished ...>
[pid  5837] <... clone resumed>, child_tidptr=0x555575018650) = 5843
[pid  5843] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5845] <... set_robust_list resumed>) = 0
[pid  5844] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5843] <... prctl resumed>)        = 0
[pid  5842] <... setpgid resumed>)      = 0
[pid  5840] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5838] <... clone resumed>, child_tidptr=0x555575018650) = 5842
[pid  5840] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5836] <... clone resumed>, child_tidptr=0x555575018650) = 5845
[pid  5845] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5844] <... set_robust_list resumed>) = 0
[pid  5843] setpgid(0, 0 <unfinished ...>
[pid  5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5840] close(3 <unfinished ...>
[pid  5844] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5843] <... setpgid resumed>)      = 0
[pid  5842] <... openat resumed>)       = 3
[pid  5840] <... close resumed>)        = 0
[pid  5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5845] <... openat resumed>)       = 3
[pid  5844] <... prctl resumed>)        = 0
[pid  5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5842] write(3, "1000", 4 <unfinished ...>
[pid  5844] setpgid(0, 0 <unfinished ...>
[pid  5842] <... write resumed>)        = 4
[pid  5844] <... setpgid resumed>)      = 0
executing program
./strace-static-x86_64: Process 5847 attached
[pid  5845] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5843] <... openat resumed>)       = 3
[pid  5842] close(3 <unfinished ...>
[pid  5845] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5844] <... openat resumed>)       = 3
[pid  5842] <... close resumed>)        = 0
[pid  5844] write(3, "1000", 4 <unfinished ...>
[pid  5842] write(1, "executing program\n", 18 <unfinished ...>
[pid  5844] <... write resumed>)        = 4
[pid  5847] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5845] close(3 <unfinished ...>
[pid  5844] close(3 <unfinished ...>
[pid  5843] write(3, "1000", 4 <unfinished ...>
[pid  5842] <... write resumed>)        = 18
[pid  5840] <... clone resumed>, child_tidptr=0x555575018650) = 5847
[pid  5845] <... close resumed>)        = 0
[pid  5844] <... close resumed>)        = 0
[pid  5842] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5847] <... set_robust_list resumed>) = 0
[pid  5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
 <unfinished ...>
[pid  5844] write(1, "executing program\n", 18 <unfinished ...>
[pid  5847] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5843] <... write resumed>)        = 4
[pid  5844] <... write resumed>)        = 18
[pid  5842] <... openat resumed>)       = 3
[pid  5843] close(3./strace-static-x86_64: Process 5848 attached
 <unfinished ...>
[pid  5847] <... prctl resumed>)        = 0
[pid  5845] <... clone resumed>, child_tidptr=0x555575018650) = 5848
[pid  5844] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5843] <... close resumed>)        = 0
[pid  5842] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
executing program
[pid  5848] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5847] setpgid(0, 0 <unfinished ...>
[pid  5844] <... openat resumed>)       = 3
[pid  5843] write(1, "executing program\n", 18 <unfinished ...>
[pid  5842] <... openat resumed>)       = 4
[pid  5848] <... set_robust_list resumed>) = 0
[pid  5847] <... setpgid resumed>)      = 0
[pid  5844] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5843] <... write resumed>)        = 18
[pid  5842] sendfile(4, 3, [100] <unfinished ...>
[pid  5848] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5843] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5848] <... prctl resumed>)        = 0
[pid  5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5844] <... openat resumed>)       = 4
[pid  5843] <... openat resumed>)       = 3
[pid  5848] setpgid(0, 0)               = 0
[pid  5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5847] <... openat resumed>)       = 3
[pid  5844] sendfile(4, 3, [100] <unfinished ...>
[pid  5843] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5848] write(3, "1000", 4 <unfinished ...>
[pid  5847] write(3, "1000", 4 <unfinished ...>
[pid  5843] <... openat resumed>)       = 4
[pid  5843] sendfile(4, 3, [100] <unfinished ...>
[pid  5847] <... write resumed>)        = 4
[pid  5847] close(3 <unfinished ...>
[pid  5848] <... write resumed>)        = 4
[pid  5848] close(3)                    = 0
[pid  5848] write(1, "executing program\n", 18executing program
executing program
) = 18
[pid  5847] <... close resumed>)        = 0
[pid  5848] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5847] write(1, "executing program\n", 18 <unfinished ...>
[pid  5848] <... openat resumed>)       = 3
[pid  5848] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5848] sendfile(4, 3, [100] <unfinished ...>
[pid  5847] <... write resumed>)        = 18
[pid  5847] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5847] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   88.863894][ T5848] syz-executor362 (5848): drop_caches: 2
[   88.887924][ T5848] syz-executor362 (5848): drop_caches: 2
[pid  5847] sendfile(4, 3, [100] <unfinished ...>
[pid  5848] <... sendfile resumed> => [640], 571) = 540
[pid  5848] memfd_create("syzkaller", 0) = 5
[pid  5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[pid  5844] <... sendfile resumed> => [640], 571) = 540
[   88.910820][ T5844] syz-executor362 (5844): drop_caches: 2
[   88.930230][ T5847] syz-executor362 (5847): drop_caches: 2
[   88.950198][ T5844] syz-executor362 (5844): drop_caches: 2
[pid  5847] <... sendfile resumed> => [640], 571) = 540
[pid  5844] memfd_create("syzkaller", 0) = 5
[pid  5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[pid  5847] memfd_create("syzkaller", 0) = 5
[pid  5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[   88.968528][ T5847] syz-executor362 (5847): drop_caches: 2
[   88.975676][ T5843] syz-executor362 (5843): drop_caches: 2
[pid  5843] <... sendfile resumed> => [640], 571) = 540
[pid  5843] memfd_create("syzkaller", 0) = 5
[pid  5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[pid  5842] <... sendfile resumed> => [640], 571) = 540
[pid  5842] memfd_create("syzkaller", 0) = 5
[pid  5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[   89.028504][ T5843] syz-executor362 (5843): drop_caches: 2
[   89.036200][ T5842] syz-executor362 (5842): drop_caches: 2
[   89.048437][ T5842] syz-executor362 (5842): drop_caches: 2
[pid  5848] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5844] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5842] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5843] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5847] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5848] <... write resumed>)        = 33554432
[pid  5848] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5842] <... write resumed>)        = 33554432
[pid  5848] <... munmap resumed>)       = 0
[pid  5842] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5848] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6
[pid  5848] ioctl(6, LOOP_SET_FD, 5)    = 0
[pid  5844] <... write resumed>)        = 33554432
[pid  5848] close(5 <unfinished ...>
[pid  5844] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5848] <... close resumed>)        = 0
[pid  5848] close(6)                    = 0
[pid  5848] mkdir("./file0", 0777)      = 0
[pid  5848] mount("/dev/loop4", "./file0", "xfs", 0, "grpquota,filestreams,logbufs=00000000000000000003,,nouuid" <unfinished ...>
[pid  5843] <... write resumed>)        = 33554432
[   90.650350][ T5848] loop4: detected capacity change from 0 to 65536
[pid  5843] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5842] <... munmap resumed>)       = 0
[pid  5847] <... write resumed>)        = 33554432
[pid  5844] <... munmap resumed>)       = 0
[pid  5847] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5842] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5843] <... munmap resumed>)       = 0
[pid  5844] <... openat resumed>)       = 6
[pid  5844] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid  5842] <... openat resumed>)       = 6
[pid  5843] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5842] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5843] <... ioctl resumed>)        = 0
[pid  5843] close(5)                    = 0
[pid  5843] close(6)                    = 0
[pid  5844] <... ioctl resumed>)        = 0
[pid  5842] <... ioctl resumed>)        = 0
[pid  5844] close(5 <unfinished ...>
[pid  5843] mkdir("./file0", 0777 <unfinished ...>
[pid  5842] close(5 <unfinished ...>
[pid  5847] <... munmap resumed>)       = 0
[pid  5844] <... close resumed>)        = 0
[pid  5843] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5842] <... close resumed>)        = 0
[pid  5847] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5844] close(6 <unfinished ...>
[   90.725888][ T5843] loop0: detected capacity change from 0 to 65536
[   90.734916][ T5844] loop2: detected capacity change from 0 to 65536
[   90.735157][ T5842] loop1: detected capacity change from 0 to 65536
[pid  5843] mount("/dev/loop0", "./file0", "xfs", 0, "grpquota,filestreams,logbufs=00000000000000000003,,nouuid" <unfinished ...>
[pid  5847] <... openat resumed>)       = 6
[pid  5844] <... close resumed>)        = 0
[pid  5842] close(6 <unfinished ...>
[pid  5847] ioctl(6, LOOP_SET_FD, 5 <unfinished ...>
[pid  5844] mkdir("./file0", 0777 <unfinished ...>
[pid  5842] <... close resumed>)        = 0
[pid  5842] mkdir("./file0", 0777 <unfinished ...>
[pid  5844] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5842] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5842] mount("/dev/loop1", "./file0", "xfs", 0, "grpquota,filestreams,logbufs=00000000000000000003,,nouuid" <unfinished ...>
[pid  5847] <... ioctl resumed>)        = 0
[pid  5847] close(5)                    = 0
[pid  5844] mount("/dev/loop2", "./file0", "xfs", 0, "grpquota,filestreams,logbufs=00000000000000000003,,nouuid" <unfinished ...>
[pid  5847] close(6)                    = 0
[pid  5847] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[   90.779543][ T5847] loop3: detected capacity change from 0 to 65536
[   90.788662][ T5848] XFS (loop4): Mounting V5 Filesystem d6f69dbd-8c5d-46be-b88e-92c0ae88ceb2
[   90.904158][ T5848] XFS (loop4): Ending clean mount
[   90.916913][ T5848] XFS (loop4): Quotacheck needed: Please wait.
[   90.931090][ T5842] XFS (loop1): Mounting V5 Filesystem d6f69dbd-8c5d-46be-b88e-92c0ae88ceb2
[   90.931136][ T5843] XFS (loop0): Mounting V5 Filesystem d6f69dbd-8c5d-46be-b88e-92c0ae88ceb2
[pid  5847] mount("/dev/loop3", "./file0", "xfs", 0, "grpquota,filestreams,logbufs=00000000000000000003,,nouuid" <unfinished ...>
[pid  5848] <... mount resumed>)        = 0
[pid  5848] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5
[pid  5848] chdir("./file0")            = 0
[pid  5848] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[   90.996847][ T5844] XFS (loop2): Mounting V5 Filesystem d6f69dbd-8c5d-46be-b88e-92c0ae88ceb2
[   91.003274][ T5847] XFS (loop3): Mounting V5 Filesystem d6f69dbd-8c5d-46be-b88e-92c0ae88ceb2
[   91.008349][ T5848] XFS (loop4): Quotacheck: Done.
[pid  5848] exit_group(0)               = ?
[pid  5848] +++ exited with 0 +++
[pid  5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=81 /* 0.81 s */} ---
[pid  5845] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5891 attached
, child_tidptr=0x555575018650) = 5891
[   91.057664][ T5843] XFS (loop0): Ending clean mount
[   91.064466][ T5842] XFS (loop1): Ending clean mount
[   91.067074][ T5843] XFS (loop0): Quotacheck needed: Please wait.
[   91.077520][ T5847] XFS (loop3): Ending clean mount
[   91.088837][ T5847] XFS (loop3): Quotacheck needed: Please wait.
[   91.090019][ T5842] XFS (loop1): Quotacheck needed: Please wait.
[pid  5891] set_robust_list(0x555575018660, 24) = 0
[pid  5891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5843] <... mount resumed>)        = 0
[pid  5891] setpgid(0, 0)               = 0
[pid  5843] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5
[pid  5843] chdir("./file0")            = 0
[pid  5843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5843] exit_group(0)               = ?
[   91.117668][ T5843] XFS (loop0): Quotacheck: Done.
[pid  5891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5843] +++ exited with 0 +++
[pid  5891] <... openat resumed>)       = 3
[pid  5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=67 /* 0.67 s */} ---
[pid  5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5891] write(3, "1000", 4)         = 4
[pid  5837] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5891] close(3 <unfinished ...>
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
 <unfinished ...>
[pid  5847] <... mount resumed>)        = 0
./strace-static-x86_64: Process 5892 attached
[pid  5891] <... close resumed>)        = 0
[pid  5842] <... mount resumed>)        = 0
[pid  5847] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5842] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5837] <... clone resumed>, child_tidptr=0x555575018650) = 5892
[pid  5891] write(1, "executing program\n", 18 <unfinished ...>
[pid  5847] <... openat resumed>)       = 5
[pid  5842] <... openat resumed>)       = 5
[pid  5892] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5891] <... write resumed>)        = 18
[pid  5842] chdir("./file0" <unfinished ...>
[pid  5892] <... set_robust_list resumed>) = 0
[pid  5891] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5847] chdir("./file0" <unfinished ...>
[pid  5842] <... chdir resumed>)        = 0
[pid  5892] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5891] <... openat resumed>)       = 3
[pid  5847] <... chdir resumed>)        = 0
[pid  5842] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5847] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5842] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5892] <... prctl resumed>)        = 0
[pid  5891] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5847] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5891] <... openat resumed>)       = 4
[pid  5891] sendfile(4, 3, [100] <unfinished ...>
[pid  5892] setpgid(0, 0 <unfinished ...>
[pid  5847] exit_group(0 <unfinished ...>
[pid  5842] exit_group(0)               = ?
[pid  5847] <... exit_group resumed>)   = ?
[pid  5842] +++ exited with 0 +++
[pid  5892] <... setpgid resumed>)      = 0
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=77 /* 0.77 s */} ---
[   91.143510][ T5844] XFS (loop2): Ending clean mount
[   91.154929][ T5847] XFS (loop3): Quotacheck: Done.
[   91.160574][ T5842] XFS (loop1): Quotacheck: Done.
[   91.161639][ T5844] XFS (loop2): Quotacheck needed: Please wait.
[pid  5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid  5892] write(3, "1000", 4)         = 4
[pid  5892] close(3 <unfinished ...>
[pid  5847] +++ exited with 0 +++
[pid  5892] <... close resumed>)        = 0
[pid  5892] write(1, "executing program\n", 18) = 18
[   91.201061][ T5844] XFS (loop2): Quotacheck: Done.
[   91.209498][ T5891] 
[   91.211876][ T5891] ======================================================
[   91.219094][ T5891] WARNING: possible circular locking dependency detected
[   91.226243][ T5891] 6.13.0-rc3-next-20241220-syzkaller #0 Not tainted
[   91.233218][ T5891] ------------------------------------------------------
[   91.240736][ T5891] syz-executor362/5891 is trying to acquire lock:
[   91.247267][ T5891] ffff888079b908d0 (&lp->qli_lock){+.+.}-{3:3}, at: xfs_dquot_detach_buf+0x2f/0x1a0
[   91.256897][ T5891] 
[   91.256897][ T5891] but task is already holding lock:
[   91.264636][ T5891] ffff888024aaa830 (&l->lock){+.+.}-{3:3}, at: lock_list_lru_of_memcg+0x24b/0x4e0
[   91.274620][ T5891] 
[   91.274620][ T5891] which lock already depends on the new lock.
[   91.274620][ T5891] 
[   91.285326][ T5891] 
[   91.285326][ T5891] the existing dependency chain (in reverse order) is:
[   91.294357][ T5891] 
[   91.294357][ T5891] -> #3 (&l->lock){+.+.}-{3:3}:
[   91.301503][ T5891]        lock_acquire+0x1ed/0x550
[   91.306545][ T5891]        _raw_spin_lock+0x2e/0x40
[   91.311693][ T5891]        lock_list_lru_of_memcg+0x24b/0x4e0
[   91.317854][ T5891]        list_lru_add+0x59/0x270
[   91.323369][ T5891]        xfs_buf_rele+0x4ca/0x15b0
[   91.330104][ T5891]        xfs_imap_lookup+0x26a/0x750
[   91.337715][ T5891]        xfs_imap+0x54d/0x1090
[   91.343039][ T5891]        xfs_iget+0xaf6/0x2ec0
[   91.349358][ T5891]        xfs_mountfs+0x13df/0x2410
[   91.354657][ T5891]        xfs_fs_fill_super+0x12dd/0x15a0
[   91.360469][ T5891]        get_tree_bdev_flags+0x48c/0x5c0
[   91.366972][ T5891]        vfs_get_tree+0x90/0x2b0
[   91.372028][ T5891]        do_new_mount+0x2be/0xb40
[   91.377117][ T5891]        __se_sys_mount+0x2d6/0x3c0
[   91.382607][ T5891]        do_syscall_64+0xf3/0x230
[   91.387909][ T5891]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   91.394429][ T5891] 
[   91.394429][ T5891] -> #2 (&bch->bc_lock){+.+.}-{3:3}:
[   91.402114][ T5891]        lock_acquire+0x1ed/0x550
[   91.407851][ T5891]        _raw_spin_lock+0x2e/0x40
[   91.412924][ T5891]        _atomic_dec_and_lock+0xb8/0x130
[   91.418931][ T5891]        xfs_buf_rele+0x178/0x15b0
[   91.424564][ T5891]        xfs_imap_lookup+0x26a/0x750
[   91.429911][ T5891]        xfs_imap+0x54d/0x1090
[   91.434819][ T5891]        xfs_iget+0xaf6/0x2ec0
[   91.439907][ T5891]        xfs_mountfs+0x13df/0x2410
[   91.446551][ T5891]        xfs_fs_fill_super+0x12dd/0x15a0
[   91.452393][ T5891]        get_tree_bdev_flags+0x48c/0x5c0
[   91.458677][ T5891]        vfs_get_tree+0x90/0x2b0
[   91.463938][ T5891]        do_new_mount+0x2be/0xb40
[   91.469178][ T5891]        __se_sys_mount+0x2d6/0x3c0
[   91.474510][ T5891]        do_syscall_64+0xf3/0x230
[   91.479936][ T5891]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   91.486373][ T5891] 
[   91.486373][ T5891] -> #1 (&bp->b_lock){+.+.}-{3:3}:
[   91.493711][ T5891]        lock_acquire+0x1ed/0x550
[   91.498860][ T5891]        _raw_spin_lock+0x2e/0x40
[   91.504368][ T5891]        xfs_buf_rele+0x164/0x15b0
[   91.510525][ T5891]        xfs_dquot_attach_buf+0x33e/0x560
[   91.516476][ T5891]        xfs_qm_quotacheck_dqadjust+0x13f/0x5e0
[   91.522931][ T5891]        xfs_qm_dqusage_adjust+0x6a8/0x850
[   91.529074][ T5891]        xfs_iwalk_ag_recs+0x4e3/0x820
[   91.535000][ T5891]        xfs_iwalk_run_callbacks+0x218/0x470
[   91.541015][ T5891]        xfs_iwalk_ag+0xa9a/0xbb0
[   91.546156][ T5891]        xfs_iwalk_ag_work+0xfb/0x1b0
[   91.552432][ T5891]        xfs_pwork_work+0x7f/0x190
[   91.558215][ T5891]        process_scheduled_works+0xa66/0x1840
[   91.566148][ T5891]        worker_thread+0x870/0xd30
[   91.572032][ T5891]        kthread+0x7a9/0x920
[   91.576663][ T5891]        ret_from_fork+0x4b/0x80
[   91.582050][ T5891]        ret_from_fork_asm+0x1a/0x30
[   91.587810][ T5891] 
[   91.587810][ T5891] -> #0 (&lp->qli_lock){+.+.}-{3:3}:
[   91.595412][ T5891]        validate_chain+0x18ef/0x5920
[   91.600934][ T5891]        __lock_acquire+0x1397/0x2100
[   91.606364][ T5891]        lock_acquire+0x1ed/0x550
[   91.611525][ T5891]        _raw_spin_lock+0x2e/0x40
[   91.617018][ T5891]        xfs_dquot_detach_buf+0x2f/0x1a0
[   91.622689][ T5891]        xfs_qm_dquot_isolate+0x49d/0x1420
[   91.628632][ T5891]        __list_lru_walk_one+0x170/0x470
[   91.634312][ T5891]        list_lru_walk_one+0x3c/0x50
[   91.639630][ T5891]        xfs_qm_shrink_scan+0x1e1/0x400
[   91.645651][ T5891]        do_shrink_slab+0x72d/0x1160
[   91.651177][ T5891]        shrink_slab+0x1093/0x14d0
[   91.656581][ T5891]        drop_slab+0x142/0x280
[   91.662388][ T5891]        drop_caches_sysctl_handler+0xbc/0x160
[   91.669111][ T5891]        proc_sys_call_handler+0x5ec/0x920
[   91.675119][ T5891]        iter_file_splice_write+0xbfa/0x1510
[   91.681222][ T5891]        direct_splice_actor+0x11b/0x220
[   91.686887][ T5891]        splice_direct_to_actor+0x586/0xc80
[   91.692805][ T5891]        do_splice_direct+0x289/0x3e0
[   91.698193][ T5891]        do_sendfile+0x564/0x8a0
[   91.703166][ T5891]        __se_sys_sendfile64+0x100/0x1e0
[   91.708919][ T5891]        do_syscall_64+0xf3/0x230
[   91.713978][ T5891]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   91.720948][ T5891] 
[   91.720948][ T5891] other info that might help us debug this:
[   91.720948][ T5891] 
[   91.731326][ T5891] Chain exists of:
[   91.731326][ T5891]   &lp->qli_lock --> &bch->bc_lock --> &l->lock
[   91.731326][ T5891] 
[   91.743452][ T5891]  Possible unsafe locking scenario:
[   91.743452][ T5891] 
[   91.750909][ T5891]        CPU0                    CPU1
[   91.756279][ T5891]        ----                    ----
[   91.761760][ T5891]   lock(&l->lock);
[   91.765588][ T5891]                                lock(&bch->bc_lock);
[   91.772379][ T5891]                                lock(&l->lock);
[   91.778725][ T5891]   lock(&lp->qli_lock);
[   91.782977][ T5891] 
[   91.782977][ T5891]  *** DEADLOCK ***
[   91.782977][ T5891] 
[   91.791470][ T5891] 3 locks held by syz-executor362/5891:
[   91.797108][ T5891]  #0: ffff88802f32c420 (sb_writers#3){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x220
[   91.807139][ T5891]  #1: ffff888024aaa830 (&l->lock){+.+.}-{3:3}, at: lock_list_lru_of_memcg+0x24b/0x4e0
[   91.817317][ T5891]  #2: ffff888079b909b8 (&xfs_dquot_group_class){+.+.}-{4:4}, at: xfs_qm_dquot_isolate+0x8d/0x1420
[   91.828342][ T5891] 
[   91.828342][ T5891] stack backtrace:
[   91.836051][ T5891] CPU: 0 UID: 0 PID: 5891 Comm: syz-executor362 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
[   91.836077][ T5891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   91.836091][ T5891] Call Trace:
[   91.836101][ T5891]  <TASK>
[   91.836109][ T5891]  dump_stack_lvl+0x241/0x360
[   91.836134][ T5891]  ? __pfx_dump_stack_lvl+0x10/0x10
[   91.836151][ T5891]  ? __pfx__printk+0x10/0x10
[   91.836182][ T5891]  print_circular_bug+0x13a/0x1b0
[   91.836201][ T5891]  check_noncircular+0x36a/0x4a0
[   91.836219][ T5891]  ? __pfx_check_noncircular+0x10/0x10
[   91.836236][ T5891]  ? lockdep_lock+0x123/0x2b0
[   91.836262][ T5891]  ? validate_chain+0x15c0/0x5920
[   91.836291][ T5891]  validate_chain+0x18ef/0x5920
[   91.836325][ T5891]  ? __pfx_validate_chain+0x10/0x10
[   91.836354][ T5891]  ? arch_stack_walk+0xfd/0x150
[   91.836388][ T5891]  ? __lock_acquire+0x1397/0x2100
[   91.836411][ T5891]  ? mark_lock+0x9a/0x360
[   91.836436][ T5891]  __lock_acquire+0x1397/0x2100
[   91.836463][ T5891]  lock_acquire+0x1ed/0x550
[   91.836485][ T5891]  ? xfs_dquot_detach_buf+0x2f/0x1a0
[   91.836506][ T5891]  ? __pfx_lock_acquire+0x10/0x10
[   91.836529][ T5891]  ? _raw_spin_unlock_irqrestore+0x8f/0x140
[   91.836554][ T5891]  ? lockdep_hardirqs_on+0x99/0x150
[   91.836580][ T5891]  ? _raw_spin_unlock_irqrestore+0xdd/0x140
[   91.836603][ T5891]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   91.836627][ T5891]  ? __pfx___mutex_trylock_common+0x10/0x10
[   91.836646][ T5891]  _raw_spin_lock+0x2e/0x40
[   91.836667][ T5891]  ? xfs_dquot_detach_buf+0x2f/0x1a0
[   91.836684][ T5891]  xfs_dquot_detach_buf+0x2f/0x1a0
[   91.836702][ T5891]  xfs_qm_dquot_isolate+0x49d/0x1420
[   91.836728][ T5891]  ? __lock_acquire+0x1397/0x2100
[   91.836752][ T5891]  ? __pfx_xfs_qm_dquot_isolate+0x10/0x10
[   91.836777][ T5891]  ? lock_list_lru_of_memcg+0x2e/0x4e0
[   91.836794][ T5891]  ? lock_list_lru_of_memcg+0x4a9/0x4e0
[   91.836814][ T5891]  __list_lru_walk_one+0x170/0x470
[   91.836833][ T5891]  ? __pfx_xfs_qm_dquot_isolate+0x10/0x10
[   91.836859][ T5891]  ? __pfx_xfs_qm_dquot_isolate+0x10/0x10
[   91.836885][ T5891]  list_lru_walk_one+0x3c/0x50
[   91.836903][ T5891]  xfs_qm_shrink_scan+0x1e1/0x400
[   91.836929][ T5891]  ? __pfx_xfs_qm_shrink_scan+0x10/0x10
[   91.836957][ T5891]  ? list_lru_count_one+0x29/0x2e0
[   91.836975][ T5891]  do_shrink_slab+0x72d/0x1160
[   91.837115][ T5891]  ? shrink_slab+0x12b/0x14d0
[   91.837146][ T5891]  shrink_slab+0x1093/0x14d0
[   91.837171][ T5891]  ? shrink_slab+0x12b/0x14d0
[   91.837189][ T5891]  ? __pfx_lock_release+0x10/0x10
[   91.837212][ T5891]  ? __pfx_shrink_slab+0x10/0x10
[   91.837237][ T5891]  ? mem_cgroup_iter+0x3d/0x420
[   91.837264][ T5891]  drop_slab+0x142/0x280
[   91.837287][ T5891]  drop_caches_sysctl_handler+0xbc/0x160
[   91.837314][ T5891]  ? __pfx_drop_caches_sysctl_handler+0x10/0x10
[   91.837340][ T5891]  proc_sys_call_handler+0x5ec/0x920
[   91.837364][ T5891]  ? __pfx_proc_sys_call_handler+0x10/0x10
[   91.837389][ T5891]  iter_file_splice_write+0xbfa/0x1510
[   91.837426][ T5891]  ? __pfx_iter_file_splice_write+0x10/0x10
[   91.837456][ T5891]  ? rcu_read_lock_any_held+0xb7/0x160
[   91.837479][ T5891]  ? __pfx_iter_file_splice_write+0x10/0x10
[   91.837504][ T5891]  direct_splice_actor+0x11b/0x220
[   91.837530][ T5891]  splice_direct_to_actor+0x586/0xc80
[   91.837563][ T5891]  ? __pfx_direct_splice_actor+0x10/0x10
[   91.837588][ T5891]  ? __pfx_splice_direct_to_actor+0x10/0x10
[   91.837614][ T5891]  ? __lock_acquire+0x1397/0x2100
[   91.837639][ T5891]  do_splice_direct+0x289/0x3e0
[   91.837666][ T5891]  ? __pfx_do_splice_direct+0x10/0x10
[   91.837691][ T5891]  ? __pfx_direct_file_splice_eof+0x10/0x10
[   91.837722][ T5891]  ? rw_verify_area+0x243/0x630
[   91.837745][ T5891]  do_sendfile+0x564/0x8a0
[   91.837766][ T5891]  ? __pfx_do_sendfile+0x10/0x10
[   91.837785][ T5891]  ? __might_fault+0xc6/0x120
[   91.837807][ T5891]  __se_sys_sendfile64+0x100/0x1e0
[   91.837836][ T5891]  ? __pfx___se_sys_sendfile64+0x10/0x10
[   91.837863][ T5891]  ? exc_page_fault+0x590/0x8b0
[   91.837893][ T5891]  do_syscall_64+0xf3/0x230
[   91.837910][ T5891]  ? clear_bhb_loop+0x35/0x90
[   91.837937][ T5891]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   91.837962][ T5891] RIP: 0033:0x7f572b253ec9
[   91.837990][ T5891] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   91.838010][ T5891] RSP: 002b:00007ffd5a32f568 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
[   91.838031][ T5891] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f572b253ec9
[pid  5892] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5844] <... mount resumed>)        = 0
[pid  5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=70 /* 0.70 s */} ---
[pid  5892] <... openat resumed>)       = 3
[pid  5892] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5840] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5892] <... openat resumed>)       = 4
[pid  5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5892] sendfile(4, 3, [100] <unfinished ...>
[pid  5838] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[   91.838044][ T5891] RDX: 0000000020002080 RSI: 0000000000000003 RDI: 0000000000000004
[   91.838055][ T5891] RBP: 00000000000f4240 R08: 0000555575019378 R09: 0000555575019378
[   91.838069][ T5891] R10: 000000000000023b R11: 0000000000000246 R12: 00000000000158d2
[   91.838082][ T5891] R13: 00007ffd5a32f5a0 R14: 00007ffd5a32f58c R15: 00007f572b29d03b
[   91.838103][ T5891]  </TASK>
[   92.346154][ T5892] syz-executor362 (5892): drop_caches: 2
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5892] <... sendfile resumed> => [671], 571) = 571
[pid  5844] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid  5840] <... restart_syscall resumed>) = 0
[pid  5838] <... clone resumed>, child_tidptr=0x555575018650) = 5893
[pid  5892] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5844] <... openat resumed>)       = 5
[pid  5892] <... memfd_create resumed>) = 5
[pid  5892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
./strace-static-x86_64: Process 5893 attached
[pid  5891] <... sendfile resumed> => [671], 571) = 571
[pid  5844] chdir("./file0" <unfinished ...>
[pid  5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5893] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5891] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5844] <... chdir resumed>)        = 0
[pid  5840] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5893] <... set_robust_list resumed>) = 0
[pid  5844] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5893] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5891] <... memfd_create resumed>) = 5
[pid  5844] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
./strace-static-x86_64: Process 5894 attached
[pid  5893] <... prctl resumed>)        = 0
[pid  5891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5844] exit_group(0 <unfinished ...>
[pid  5840] <... clone resumed>, child_tidptr=0x555575018650) = 5894
[pid  5893] setpgid(0, 0 <unfinished ...>
[pid  5891] <... mmap resumed>)         = 0x7f5722e00000
[pid  5844] <... exit_group resumed>)   = ?
[pid  5893] <... setpgid resumed>)      = 0
[pid  5844] +++ exited with 0 +++
[pid  5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid  5893] write(3, "1000", 4)         = 4
[pid  5893] close(3)                    = 0
[pid  5893] write(1, "executing program\n", 18) = 18
[pid  5893] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5893] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   92.353951][ T5892] syz-executor362 (5892): drop_caches: 2
[   92.365209][ T5891] syz-executor362 (5891): drop_caches: 2
[   92.372637][ T5891] syz-executor362 (5891): drop_caches: 2
[pid  5893] sendfile(4, 3, [100] <unfinished ...>
[pid  5894] set_robust_list(0x555575018660, 24) = 0
[pid  5894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5894] setpgid(0, 0)               = 0
[pid  5894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5894] write(3, "1000", 4)         = 4
[pid  5894] close(3)                    = 0
executing program
[pid  5894] write(1, "executing program\n", 18) = 18
[pid  5894] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5894] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5894] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5893] <... sendfile resumed> => [671], 571) = 571
[pid  5894] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5893] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5894] <... memfd_create resumed>) = 5
[pid  5893] <... memfd_create resumed>) = 5
[pid  5894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5894] <... mmap resumed>)         = 0x7f5722e00000
[pid  5893] <... mmap resumed>)         = 0x7f5722e00000
[pid  5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=63 /* 0.63 s */} ---
[pid  5839] restart_syscall(<... resuming interrupted clone ...>) = 0
[   92.402259][ T5893] syz-executor362 (5893): drop_caches: 2
[   92.408379][ T5893] syz-executor362 (5893): drop_caches: 2
[   92.420018][ T5894] syz-executor362 (5894): drop_caches: 2
[   92.426478][ T5894] syz-executor362 (5894): drop_caches: 2
[pid  5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555575018650) = 5895
./strace-static-x86_64: Process 5895 attached
executing program
[pid  5895] set_robust_list(0x555575018660, 24) = 0
[pid  5895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5895] setpgid(0, 0)               = 0
[pid  5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5895] write(3, "1000", 4)         = 4
[pid  5895] close(3)                    = 0
[pid  5895] write(1, "executing program\n", 18) = 18
[pid  5895] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5895] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5895] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5895] memfd_create("syzkaller", 0) = 5
[   92.618824][ T5895] syz-executor362 (5895): drop_caches: 2
[   92.638356][ T5895] syz-executor362 (5895): drop_caches: 2
[pid  5895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[pid  5891] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5892] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5894] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5893] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5891] <... write resumed>)        = 33554432
[pid  5895] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5891] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5892] <... write resumed>)        = 33554432
[pid  5891] <... munmap resumed>)       = 0
[pid  5891] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5891] close(5 <unfinished ...>
[pid  5892] munmap(0x7f5722e00000, 138412032) = 0
[pid  5892] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5892] close(5 <unfinished ...>
[pid  5893] <... write resumed>)        = 33554432
[pid  5893] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5894] <... write resumed>)        = 33554432
[pid  5893] <... munmap resumed>)       = 0
[pid  5891] <... close resumed>)        = 0
[pid  5894] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5893] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5893] close(5 <unfinished ...>
[pid  5892] <... close resumed>)        = 0
[pid  5895] <... write resumed>)        = 33554432
[pid  5894] <... munmap resumed>)       = 0
[pid  5891] exit_group(0 <unfinished ...>
[pid  5892] exit_group(0 <unfinished ...>
[pid  5891] <... exit_group resumed>)   = ?
[pid  5892] <... exit_group resumed>)   = ?
[pid  5891] +++ exited with 0 +++
[pid  5892] +++ exited with 0 +++
[pid  5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5891, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=43 /* 0.43 s */} ---
[pid  5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5892, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=47 /* 0.47 s */} ---
[pid  5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5894] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5837] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5894] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5845] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5894] close(5 <unfinished ...>
[pid  5845] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
./strace-static-x86_64: Process 5896 attached
[pid  5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5897 attached
 <unfinished ...>
[pid  5896] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5837] <... clone resumed>, child_tidptr=0x555575018650) = 5896
[pid  5845] <... clone resumed>, child_tidptr=0x555575018650) = 5897
[pid  5895] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5897] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5896] <... set_robust_list resumed>) = 0
[pid  5897] <... set_robust_list resumed>) = 0
[pid  5897] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5896] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5897] <... prctl resumed>)        = 0
[pid  5896] <... prctl resumed>)        = 0
[pid  5897] setpgid(0, 0 <unfinished ...>
[pid  5896] setpgid(0, 0 <unfinished ...>
[pid  5895] <... munmap resumed>)       = 0
[pid  5897] <... setpgid resumed>)      = 0
[pid  5896] <... setpgid resumed>)      = 0
[pid  5895] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5895] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5895] close(5 <unfinished ...>
[pid  5897] <... openat resumed>)       = 3
[pid  5896] <... openat resumed>)       = 3
[pid  5896] write(3, "1000", 4 <unfinished ...>
[pid  5897] write(3, "1000", 4)         = 4
[pid  5897] close(3 <unfinished ...>
[pid  5896] <... write resumed>)        = 4
[pid  5897] <... close resumed>)        = 0
[pid  5896] close(3 <unfinished ...>
executing program
executing program
[pid  5897] write(1, "executing program\n", 18) = 18
[pid  5896] <... close resumed>)        = 0
[pid  5896] write(1, "executing program\n", 18 <unfinished ...>
[pid  5897] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5896] <... write resumed>)        = 18
[pid  5896] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5897] <... openat resumed>)       = 3
[pid  5896] <... openat resumed>)       = 3
[pid  5896] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5897] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5896] <... openat resumed>)       = 4
[pid  5897] <... openat resumed>)       = 4
[pid  5896] sendfile(4, 3, [100] <unfinished ...>
[pid  5897] sendfile(4, 3, [100] <unfinished ...>
[pid  5896] <... sendfile resumed> => [671], 571) = 571
[pid  5896] memfd_create("syzkaller", 0) = 5
[pid  5896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[pid  5897] <... sendfile resumed> => [671], 571) = 571
[pid  5897] memfd_create("syzkaller", 0) = 5
[pid  5897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[   93.857988][ T5896] syz-executor362 (5896): drop_caches: 2
[   93.864869][ T5897] syz-executor362 (5897): drop_caches: 2
[   93.871659][ T5896] syz-executor362 (5896): drop_caches: 2
[   93.877846][ T5897] syz-executor362 (5897): drop_caches: 2
[pid  5893] <... close resumed>)        = 0
[pid  5893] exit_group(0)               = ?
[pid  5893] +++ exited with 0 +++
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5893, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=41 /* 0.41 s */} ---
[pid  5838] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555575018650) = 5898
./strace-static-x86_64: Process 5898 attached
[pid  5898] set_robust_list(0x555575018660, 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] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5898] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5898] sendfile(4, 3, [100] <unfinished ...>
[pid  5894] <... close resumed>)        = 0
[pid  5898] <... sendfile resumed> => [671], 571) = 571
[pid  5894] exit_group(0)               = ?
[pid  5898] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5894] +++ exited with 0 +++
[pid  5898] <... memfd_create resumed>) = 5
[pid  5898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5894, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=37 /* 0.37 s */} ---
[pid  5898] <... mmap resumed>)         = 0x7f5722e00000
[pid  5840] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5899 attached
, child_tidptr=0x555575018650) = 5899
[pid  5899] set_robust_list(0x555575018660, 24) = 0
[pid  5899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[   94.033990][ T5898] syz-executor362 (5898): drop_caches: 2
[   94.043685][ T5898] syz-executor362 (5898): drop_caches: 2
[pid  5899] setpgid(0, 0)               = 0
[pid  5899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5899] write(3, "1000", 4)         = 4
executing program
[pid  5899] close(3)                    = 0
[pid  5899] write(1, "executing program\n", 18) = 18
[pid  5899] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5899] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5899] sendfile(4, 3, [100] <unfinished ...>
[pid  5895] <... close resumed>)        = 0
[pid  5895] exit_group(0)               = ?
[pid  5899] <... sendfile resumed> => [671], 571) = 571
[pid  5895] +++ exited with 0 +++
[pid  5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5895, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=40 /* 0.40 s */} ---
[pid  5899] memfd_create("syzkaller", 0) = 5
[pid  5899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[pid  5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555575018650) = 5900
./strace-static-x86_64: Process 5900 attached
[pid  5900] set_robust_list(0x555575018660, 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
executing program
[pid  5900] write(1, "executing program\n", 18) = 18
[   94.102717][ T5899] syz-executor362 (5899): drop_caches: 2
[   94.110625][ T5899] syz-executor362 (5899): drop_caches: 2
[pid  5900] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5900] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5900] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5900] memfd_create("syzkaller", 0) = 5
[   94.168867][ T5900] syz-executor362 (5900): drop_caches: 2
[   94.175056][ T5900] syz-executor362 (5900): drop_caches: 2
[pid  5900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[pid  5896] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5897] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5898] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5899] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5900] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5897] <... write resumed>)        = 33554432
[pid  5897] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5896] <... write resumed>)        = 33554432
[pid  5897] <... munmap resumed>)       = 0
[pid  5897] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5896] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5897] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5897] close(5 <unfinished ...>
[pid  5896] <... munmap resumed>)       = 0
[pid  5896] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5896] close(5 <unfinished ...>
[pid  5898] <... write resumed>)        = 33554432
[pid  5898] munmap(0x7f5722e00000, 138412032) = 0
[pid  5898] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5898] close(5 <unfinished ...>
[pid  5899] <... write resumed>)        = 33554432
[pid  5899] munmap(0x7f5722e00000, 138412032) = 0
[pid  5899] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5899] close(5 <unfinished ...>
[pid  5897] <... close resumed>)        = 0
[pid  5897] exit_group(0)               = ?
[pid  5897] +++ exited with 0 +++
[pid  5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5897, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=42 /* 0.42 s */} ---
[pid  5845] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555575018650) = 5901
./strace-static-x86_64: Process 5901 attached
[pid  5901] set_robust_list(0x555575018660, 24) = 0
[pid  5901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5901] setpgid(0, 0)               = 0
[pid  5901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5900] <... write resumed>)        = 33554432
[pid  5901] <... openat resumed>)       = 3
[pid  5901] write(3, "1000", 4 <unfinished ...>
[pid  5900] munmap(0x7f5722e00000, 138412032executing program
 <unfinished ...>
[pid  5901] <... write resumed>)        = 4
[pid  5896] <... close resumed>)        = 0
[pid  5901] close(3)                    = 0
[pid  5901] write(1, "executing program\n", 18) = 18
[pid  5901] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5896] exit_group(0)               = ?
[pid  5901] <... openat resumed>)       = 3
[pid  5896] +++ exited with 0 +++
[pid  5901] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5896, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=40 /* 0.40 s */} ---
[pid  5837] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5901] <... openat resumed>)       = 4
[pid  5901] sendfile(4, 3, [100] <unfinished ...>
[pid  5900] <... munmap resumed>)       = 0
[pid  5837] <... restart_syscall resumed>) = 0
[pid  5901] <... sendfile resumed> => [671], 571) = 571
[pid  5900] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5901] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5837] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5901] <... memfd_create resumed>) = 5
./strace-static-x86_64: Process 5902 attached
[pid  5901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5837] <... clone resumed>, child_tidptr=0x555575018650) = 5902
[pid  5900] close(5 <unfinished ...>
[pid  5902] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5901] <... mmap resumed>)         = 0x7f5722e00000
[pid  5902] <... set_robust_list resumed>) = 0
[pid  5902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5902] setpgid(0, 0)               = 0
[pid  5902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5902] write(3, "1000", 4)         = 4
[pid  5902] close(3)                    = 0
executing program
[pid  5902] write(1, "executing program\n", 18) = 18
[pid  5902] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5902] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[   95.395944][ T5901] syz-executor362 (5901): drop_caches: 2
[   95.408425][ T5901] syz-executor362 (5901): drop_caches: 2
[pid  5902] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5902] memfd_create("syzkaller", 0) = 5
[pid  5902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[   95.448794][ T5902] syz-executor362 (5902): drop_caches: 2
[   95.454942][ T5902] syz-executor362 (5902): drop_caches: 2
[pid  5898] <... close resumed>)        = 0
[pid  5898] exit_group(0)               = ?
[pid  5898] +++ exited with 0 +++
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5898, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=47 /* 0.47 s */} ---
[pid  5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555575018650) = 5903
./strace-static-x86_64: Process 5903 attached
[pid  5903] set_robust_list(0x555575018660, 24) = 0
[pid  5903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5903] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5903] sendfile(4, 3, [100] <unfinished ...>
[pid  5899] <... close resumed>)        = 0
[pid  5903] <... sendfile resumed> => [671], 571) = 571
[pid  5899] exit_group(0)               = ?
[pid  5899] +++ exited with 0 +++
[pid  5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5899, si_uid=0, si_status=0, si_utime=20 /* 0.20 s */, si_stime=36 /* 0.36 s */} ---
[pid  5840] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555575018650) = 5904
./strace-static-x86_64: Process 5904 attached
[pid  5903] memfd_create("syzkaller", 0) = 5
[pid  5903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[pid  5904] set_robust_list(0x555575018660, 24) = 0
[pid  5904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5904] setpgid(0, 0)               = 0
[pid  5904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5904] write(3, "1000", 4)         = 4
[pid  5904] close(3)                    = 0
executing program
[pid  5904] write(1, "executing program\n", 18) = 18
[pid  5904] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[   95.559770][ T5903] syz-executor362 (5903): drop_caches: 2
[   95.578866][ T5903] syz-executor362 (5903): drop_caches: 2
[pid  5904] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5904] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5904] memfd_create("syzkaller", 0) = 5
[pid  5904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[   95.621986][ T5904] syz-executor362 (5904): drop_caches: 2
[   95.628590][ T5904] syz-executor362 (5904): drop_caches: 2
[pid  5900] <... close resumed>)        = 0
[pid  5900] exit_group(0)               = ?
[pid  5900] +++ exited with 0 +++
[pid  5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5900, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=38 /* 0.38 s */} ---
[pid  5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555575018650) = 5905
./strace-static-x86_64: Process 5905 attached
[pid  5905] set_robust_list(0x555575018660, 24) = 0
[pid  5905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5905] setpgid(0, 0)               = 0
[pid  5905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5905] write(3, "1000", 4)         = 4
[pid  5905] close(3executing program
)                    = 0
[pid  5905] write(1, "executing program\n", 18) = 18
[pid  5905] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5905] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5905] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5905] memfd_create("syzkaller", 0) = 5
[pid  5905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[   95.735404][ T5905] syz-executor362 (5905): drop_caches: 2
[   95.749503][ T5905] syz-executor362 (5905): drop_caches: 2
[pid  5901] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5902] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5903] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5904] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5905] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5901] <... write resumed>)        = 33554432
[pid  5901] munmap(0x7f5722e00000, 138412032) = 0
[pid  5902] <... write resumed>)        = 33554432
[pid  5901] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5901] close(5 <unfinished ...>
[pid  5902] munmap(0x7f5722e00000, 138412032) = 0
[pid  5902] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5902] close(5 <unfinished ...>
[pid  5903] <... write resumed>)        = 33554432
[pid  5903] munmap(0x7f5722e00000, 138412032) = 0
[pid  5903] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5903] close(5 <unfinished ...>
[pid  5904] <... write resumed>)        = 33554432
[pid  5904] munmap(0x7f5722e00000, 138412032) = 0
[pid  5905] <... write resumed>)        = 33554432
[pid  5904] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5905] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5904] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5904] close(5 <unfinished ...>
[pid  5905] <... munmap resumed>)       = 0
[pid  5905] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5901] <... close resumed>)        = 0
[pid  5905] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5901] exit_group(0 <unfinished ...>
[pid  5905] close(5 <unfinished ...>
[pid  5901] <... exit_group resumed>)   = ?
[pid  5901] +++ exited with 0 +++
[pid  5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5901, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=42 /* 0.42 s */} ---
[pid  5845] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5906 attached
, child_tidptr=0x555575018650) = 5906
[pid  5906] set_robust_list(0x555575018660, 24) = 0
[pid  5902] <... close resumed>)        = 0
[pid  5902] exit_group(0)               = ?
[pid  5906] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5902] +++ exited with 0 +++
[pid  5906] <... prctl resumed>)        = 0
[pid  5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5902, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=50 /* 0.50 s */} ---
[pid  5906] setpgid(0, 0 <unfinished ...>
[pid  5837] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5906] <... setpgid resumed>)      = 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
executing program
[pid  5906] write(1, "executing program\n", 18) = 18
[pid  5906] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5906] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5906] sendfile(4, 3, [100] <unfinished ...>
[pid  5837] <... restart_syscall resumed>) = 0
[pid  5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5907 attached
, child_tidptr=0x555575018650) = 5907
[pid  5907] set_robust_list(0x555575018660, 24) = 0
[pid  5907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5907] setpgid(0, 0)               = 0
[pid  5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5903] <... close resumed>)        = 0
[pid  5907] <... openat resumed>)       = 3
executing program
[pid  5907] write(3, "1000", 4)         = 4
[pid  5907] close(3)                    = 0
[pid  5907] write(1, "executing program\n", 18) = 18
[pid  5907] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5907] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5907] sendfile(4, 3, [100] <unfinished ...>
[pid  5903] exit_group(0)               = ?
[pid  5903] +++ exited with 0 +++
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5903, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=39 /* 0.39 s */} ---
[pid  5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5908 attached
 <unfinished ...>
[pid  5906] <... sendfile resumed> => [671], 571) = 571
[pid  5838] <... clone resumed>, child_tidptr=0x555575018650) = 5908
[pid  5908] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5906] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5908] <... set_robust_list resumed>) = 0
[pid  5908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5908] setpgid(0, 0)               = 0
[pid  5906] <... memfd_create resumed>) = 5
[pid  5906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5906] <... mmap resumed>)         = 0x7f5722e00000
[pid  5908] <... openat resumed>)       = 3
[pid  5908] write(3, "1000", 4)         = 4
[pid  5908] close(3)                    = 0
executing program
[pid  5908] write(1, "executing program\n", 18) = 18
[pid  5908] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[   96.975747][ T5906] syz-executor362 (5906): drop_caches: 2
[   97.001352][ T5907] syz-executor362 (5907): drop_caches: 2
[   97.008782][ T5906] syz-executor362 (5906): drop_caches: 2
[pid  5908] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5908] sendfile(4, 3, [100] <unfinished ...>
[pid  5907] <... sendfile resumed> => [671], 571) = 571
[pid  5908] <... sendfile resumed> => [671], 571) = 571
[pid  5908] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5907] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5908] <... memfd_create resumed>) = 5
[pid  5907] <... memfd_create resumed>) = 5
[pid  5908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5907] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5908] <... mmap resumed>)         = 0x7f5722e00000
[pid  5907] <... mmap resumed>)         = 0x7f5722e00000
[   97.024068][ T5908] syz-executor362 (5908): drop_caches: 2
[   97.031588][ T5907] syz-executor362 (5907): drop_caches: 2
[   97.039609][ T5908] syz-executor362 (5908): drop_caches: 2
[pid  5904] <... close resumed>)        = 0
[pid  5904] exit_group(0)               = ?
[pid  5904] +++ exited with 0 +++
[pid  5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5904, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=44 /* 0.44 s */} ---
[pid  5840] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555575018650) = 5909
./strace-static-x86_64: Process 5909 attached
[pid  5909] set_robust_list(0x555575018660, 24) = 0
[pid  5909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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  5905] <... close resumed>)        = 0
[pid  5909] close(3)                    = 0
executing program
[pid  5909] write(1, "executing program\n", 18 <unfinished ...>
[pid  5905] exit_group(0 <unfinished ...>
[pid  5909] <... write resumed>)        = 18
[pid  5905] <... exit_group resumed>)   = ?
[pid  5909] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5909] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5909] sendfile(4, 3, [100] <unfinished ...>
[pid  5905] +++ exited with 0 +++
[pid  5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5905, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=42 /* 0.42 s */} ---
[pid  5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5909] <... sendfile resumed> => [671], 571) = 571
[pid  5909] memfd_create("syzkaller", 0) = 5
[pid  5839] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
./strace-static-x86_64: Process 5910 attached
[pid  5910] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5839] <... clone resumed>, child_tidptr=0x555575018650) = 5910
[pid  5910] <... set_robust_list resumed>) = 0
[   97.234963][ T5909] syz-executor362 (5909): drop_caches: 2
[   97.248752][ T5909] syz-executor362 (5909): drop_caches: 2
[pid  5910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5910] setpgid(0, 0)               = 0
[pid  5910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5910] write(3, "1000", 4)         = 4
[pid  5910] close(3)                    = 0
executing program
[pid  5910] write(1, "executing program\n", 18) = 18
[pid  5910] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5910] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5910] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5910] memfd_create("syzkaller", 0) = 5
[pid  5910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[   97.342876][ T5910] syz-executor362 (5910): drop_caches: 2
[   97.351764][ T5910] syz-executor362 (5910): drop_caches: 2
[pid  5908] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5907] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[   97.627679][ T1205] cfg80211: failed to load regulatory.db
[pid  5906] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5909] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5910] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5908] <... write resumed>)        = 33554432
[pid  5908] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5907] <... write resumed>)        = 33554432
[pid  5908] <... munmap resumed>)       = 0
[pid  5907] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5908] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5908] close(5 <unfinished ...>
[pid  5907] <... munmap resumed>)       = 0
[pid  5906] <... write resumed>)        = 33554432
[pid  5906] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5907] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5906] <... munmap resumed>)       = 0
[pid  5907] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5906] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5907] close(5 <unfinished ...>
[pid  5906] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5906] close(5 <unfinished ...>
[pid  5909] <... write resumed>)        = 33554432
[pid  5909] munmap(0x7f5722e00000, 138412032) = 0
[pid  5909] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5909] close(5 <unfinished ...>
[pid  5908] <... close resumed>)        = 0
[pid  5908] exit_group(0)               = ?
[pid  5908] +++ exited with 0 +++
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5908, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=45 /* 0.45 s */} ---
[pid  5838] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5910] <... write resumed>)        = 33554432
[pid  5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5912 attached
 <unfinished ...>
[pid  5912] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5838] <... clone resumed>, child_tidptr=0x555575018650) = 5912
[pid  5912] <... set_robust_list resumed>) = 0
[pid  5912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5912] setpgid(0, 0)               = 0
[pid  5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5912] write(3, "1000", 4)         = 4
[pid  5912] close(3 <unfinished ...>
[pid  5910] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5912] <... close resumed>)        = 0
executing program
[pid  5912] write(1, "executing program\n", 18) = 18
[pid  5912] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5912] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5912] sendfile(4, 3, [100] <unfinished ...>
[pid  5910] <... munmap resumed>)       = 0
[pid  5907] <... close resumed>)        = 0
[pid  5910] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5907] exit_group(0 <unfinished ...>
[pid  5910] <... openat resumed>)       = -1 EBUSY (Device or resource busy)
[pid  5907] <... exit_group resumed>)   = ?
[pid  5907] +++ exited with 0 +++
[pid  5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5907, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=44 /* 0.44 s */} ---
[pid  5837] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5910] close(5 <unfinished ...>
[pid  5837] <... restart_syscall resumed>) = 0
[pid  5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5913 attached
, child_tidptr=0x555575018650) = 5913
[pid  5912] <... sendfile resumed> => [671], 571) = 571
[pid  5912] memfd_create("syzkaller", 0) = 5
[pid  5912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[pid  5913] set_robust_list(0x555575018660, 24) = 0
[pid  5913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5913] setpgid(0, 0)               = 0
[pid  5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid  5913] write(3, "1000", 4)         = 4
[pid  5913] close(3)                    = 0
[pid  5913] write(1, "executing program\n", 18) = 18
[   98.513443][ T5912] syz-executor362 (5912): drop_caches: 2
[   98.528789][ T5912] syz-executor362 (5912): drop_caches: 2
[pid  5913] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5913] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY <unfinished ...>
[pid  5906] <... close resumed>)        = 0
[pid  5913] <... openat resumed>)       = 4
[pid  5913] sendfile(4, 3, [100] <unfinished ...>
[pid  5906] exit_group(0)               = ?
[pid  5906] +++ exited with 0 +++
[pid  5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5906, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=41 /* 0.41 s */} ---
[pid  5845] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5845] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555575018650) = 5914
./strace-static-x86_64: Process 5914 attached
[pid  5914] set_robust_list(0x555575018660, 24) = 0
[pid  5914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5914] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5914] sendfile(4, 3, [100] <unfinished ...>
[pid  5913] <... sendfile resumed> => [671], 571) = 571
[pid  5913] memfd_create("syzkaller", 0) = 5
[pid  5913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[   98.579403][ T5913] syz-executor362 (5913): drop_caches: 2
[   98.585341][ T5913] syz-executor362 (5913): drop_caches: 2
[   98.612819][ T5914] syz-executor362 (5914): drop_caches: 2
[pid  5914] <... sendfile resumed> => [671], 571) = 571
[pid  5914] memfd_create("syzkaller", 0) = 5
[pid  5914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[   98.629137][ T5914] syz-executor362 (5914): drop_caches: 2
[pid  5909] <... close resumed>)        = 0
[pid  5909] exit_group(0)               = ?
[pid  5909] +++ exited with 0 +++
[pid  5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5909, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=40 /* 0.40 s */} ---
[pid  5840] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5915 attached
, child_tidptr=0x555575018650) = 5915
[pid  5915] set_robust_list(0x555575018660, 24) = 0
[pid  5915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5915] setpgid(0, 0)               = 0
[pid  5915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5915] write(3, "1000", 4)         = 4
[pid  5915] close(3)                    = 0
executing program
[pid  5915] write(1, "executing program\n", 18) = 18
[pid  5915] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5915] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5915] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5910] <... close resumed>)        = 0
[pid  5915] memfd_create("syzkaller", 0) = 5
[pid  5910] exit_group(0 <unfinished ...>
[pid  5915] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5910] <... exit_group resumed>)   = ?
[pid  5915] <... mmap resumed>)         = 0x7f5722e00000
[pid  5910] +++ exited with 0 +++
[pid  5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5910, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=39 /* 0.39 s */} ---
[   98.828704][ T5915] syz-executor362 (5915): drop_caches: 2
[   98.835579][ T5915] syz-executor362 (5915): drop_caches: 2
[pid  5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555575018650) = 5916
./strace-static-x86_64: Process 5916 attached
[pid  5916] set_robust_list(0x555575018660, 24) = 0
[pid  5916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5916] setpgid(0, 0)               = 0
[pid  5916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5916] write(3, "1000", 4)         = 4
[pid  5916] close(3)                    = 0
executing program
[pid  5916] write(1, "executing program\n", 18) = 18
[pid  5916] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5916] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5916] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5916] memfd_create("syzkaller", 0) = 5
[pid  5916] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[   98.923919][ T5916] syz-executor362 (5916): drop_caches: 2
[   98.938660][ T5916] syz-executor362 (5916): drop_caches: 2
[pid  5912] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5914] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5913] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5915] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5916] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5912] <... write resumed>)        = 33554432
[pid  5912] munmap(0x7f5722e00000, 138412032) = 0
[pid  5912] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5912] close(5 <unfinished ...>
[pid  5914] <... write resumed>)        = 33554432
[pid  5914] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5913] <... write resumed>)        = 33554432
[pid  5914] <... munmap resumed>)       = 0
[pid  5913] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5914] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5914] close(5 <unfinished ...>
[pid  5913] <... munmap resumed>)       = 0
[pid  5913] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5913] close(5 <unfinished ...>
[pid  5915] <... write resumed>)        = 33554432
[pid  5915] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5912] <... close resumed>)        = 0
[pid  5912] exit_group(0)               = ?
[pid  5915] <... munmap resumed>)       = 0
[pid  5912] +++ exited with 0 +++
[pid  5838] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5912, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=47 /* 0.47 s */} ---
[pid  5838] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  5915] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5838] <... restart_syscall resumed>) = 0
[pid  5915] close(5 <unfinished ...>
[pid  5838] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555575018650) = 5917
./strace-static-x86_64: Process 5917 attached
[pid  5917] set_robust_list(0x555575018660, 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
executing program
[pid  5917] write(3, "1000", 4)         = 4
[pid  5917] close(3)                    = 0
[pid  5917] write(1, "executing program\n", 18) = 18
[pid  5917] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5917] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5917] sendfile(4, 3, [100] <unfinished ...>
[pid  5914] <... close resumed>)        = 0
[pid  5916] <... write resumed>)        = 33554432
[pid  5917] <... sendfile resumed> => [671], 571) = 571
[pid  5914] exit_group(0)               = ?
[pid  5917] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5916] munmap(0x7f5722e00000, 138412032 <unfinished ...>
[pid  5917] <... memfd_create resumed>) = 5
[pid  5914] +++ exited with 0 +++
[pid  5917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5845] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5914, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=40 /* 0.40 s */} ---
[pid  5845] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5845] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5918 attached
, child_tidptr=0x555575018650) = 5918
[pid  5918] set_robust_list(0x555575018660, 24 <unfinished ...>
[pid  5917] <... mmap resumed>)         = 0x7f5722e00000
[pid  5918] <... set_robust_list resumed>) = 0
[pid  5916] <... munmap resumed>)       = 0
[pid  5918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5916] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[  100.048926][ T5917] syz-executor362 (5917): drop_caches: 2
[  100.069796][ T5917] syz-executor362 (5917): drop_caches: 2
[pid  5916] close(5 <unfinished ...>
[pid  5918] setpgid(0, 0)               = 0
[pid  5918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5918] write(3, "1000", 4)         = 4
[pid  5918] close(3)                    = 0
[pid  5918] write(1, "executing program\n", 18executing program
) = 18
[pid  5918] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5918] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5918] sendfile(4, 3, [100] <unfinished ...>
[pid  5913] <... close resumed>)        = 0
[pid  5913] exit_group(0)               = ?
[pid  5913] +++ exited with 0 +++
[pid  5837] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5913, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=43 /* 0.43 s */} ---
[pid  5837] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555575018650) = 5919
./strace-static-x86_64: Process 5919 attached
[pid  5919] set_robust_list(0x555575018660, 24) = 0
[pid  5919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5919] setpgid(0, 0)               = 0
[pid  5919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5919] write(3, "1000", 4)         = 4
[pid  5919] close(3)                    = 0
[pid  5918] <... sendfile resumed> => [671], 571) = 571
executing program
[pid  5919] write(1, "executing program\n", 18) = 18
[pid  5918] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5919] openat(AT_FDCWD, "/proc/partitions", O_RDONLY <unfinished ...>
[pid  5918] <... memfd_create resumed>) = 5
[pid  5918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5919] <... openat resumed>)       = 3
[pid  5918] <... mmap resumed>)         = 0x7f5722e00000
[pid  5919] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[  100.137982][ T5918] syz-executor362 (5918): drop_caches: 2
[  100.168425][ T5918] syz-executor362 (5918): drop_caches: 2
[  100.182854][ T5919] syz-executor362 (5919): drop_caches: 2
[pid  5919] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5919] memfd_create("syzkaller", 0) = 5
[pid  5919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[  100.198786][ T5919] syz-executor362 (5919): drop_caches: 2
[pid  5915] <... close resumed>)        = 0
[pid  5915] exit_group(0)               = ?
[pid  5915] +++ exited with 0 +++
[pid  5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5915, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=45 /* 0.45 s */} ---
[pid  5840] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5840] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555575018650) = 5920
./strace-static-x86_64: Process 5920 attached
[pid  5920] set_robust_list(0x555575018660, 24) = 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(3)                    = 0
executing program
[pid  5920] write(1, "executing program\n", 18) = 18
[pid  5920] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5920] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5920] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5920] memfd_create("syzkaller", 0) = 5
[pid  5920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[pid  5916] <... close resumed>)        = 0
[pid  5916] exit_group(0)               = ?
[pid  5916] +++ exited with 0 +++
[pid  5839] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5916, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=40 /* 0.40 s */} ---
[  100.369779][ T5920] syz-executor362 (5920): drop_caches: 2
[  100.376136][ T5920] syz-executor362 (5920): drop_caches: 2
[pid  5839] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  5839] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5921 attached
, child_tidptr=0x555575018650) = 5921
[pid  5921] set_robust_list(0x555575018660, 24) = 0
[pid  5921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5921] setpgid(0, 0)               = 0
[pid  5921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5921] write(3, "1000", 4)         = 4
[pid  5921] close(3)                    = 0
executing program
[pid  5921] write(1, "executing program\n", 18) = 18
[pid  5921] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3
[pid  5921] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4
[pid  5921] sendfile(4, 3, [100] => [671], 571) = 571
[pid  5921] memfd_create("syzkaller", 0) = 5
[pid  5921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5722e00000
[  100.451694][ T5921] syz-executor362 (5921): drop_caches: 2
[  100.467925][ T5921] syz-executor362 (5921): drop_caches: 2
[pid  5917] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5919] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5918] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>
[pid  5920] write(5, "\x58\x46\x53\x42\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xf6\x9d\xbd\x8c\x5d\x46\xbe\xb8\x8e\x92\xc0\xae\x88\xce\xb2\x00\x00\x00\x00\x00\x00\x40\x08\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x41\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x04\x00\x00\x40\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x04\x98"..., 33554432 <unfinished ...>