./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3563985247

<...>
Warning: Permanently added '10.128.1.3' (ED25519) to the list of known hosts.
execve("./syz-executor3563985247", ["./syz-executor3563985247"], 0x7fffca21dae0 /* 10 vars */) = 0
brk(NULL)                               = 0x555556001000
brk(0x555556001d00)                     = 0x555556001d00
arch_prctl(ARCH_SET_FS, 0x555556001380) = 0
set_tid_address(0x555556001650)         = 5041
set_robust_list(0x555556001660, 24)     = 0
rseq(0x555556001ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3563985247", 4096) = 28
getrandom("\x51\xab\x5e\x2f\xc5\x52\x06\x7d", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555556001d00
brk(0x555556022d00)                     = 0x555556022d00
brk(0x555556023000)                     = 0x555556023000
mprotect(0x7f7610aeb000, 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, child_tidptr=0x555556001650) = 5042
./strace-static-x86_64: Process 5042 attached
[pid  5041] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5042] set_robust_list(0x555556001660, 24) = 0
./strace-static-x86_64: Process 5043 attached
[pid  5041] <... clone resumed>, child_tidptr=0x555556001650) = 5043
[pid  5041] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5043] set_robust_list(0x555556001660, 24) = 0
[pid  5042] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  5043] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5042] <... openat resumed>)       = 3
[pid  5042] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5044 attached
)       = -1 ENXIO (No such device or address)
[pid  5041] <... clone resumed>, child_tidptr=0x555556001650) = 5044
[pid  5041] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5044] set_robust_list(0x555556001660, 24 <unfinished ...>
[pid  5043] <... openat resumed>)       = 3
[pid  5044] <... set_robust_list resumed>) = 0
[pid  5042] close(3 <unfinished ...>
[pid  5044] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5043] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5042] <... close resumed>)        = 0
[pid  5042] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5046 attached
 <unfinished ...>
[pid  5046] set_robust_list(0x555556001660, 24) = 0
[pid  5046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5046] setpgid(0, 0)               = 0
[pid  5043] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
./strace-static-x86_64: Process 5045 attached
[pid  5043] close(3 <unfinished ...>
[pid  5042] <... clone resumed>, child_tidptr=0x555556001650) = 5046
[pid  5043] <... close resumed>)        = 0
[pid  5046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5043] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5046] <... openat resumed>)       = 3
[pid  5044] <... openat resumed>)       = 3
[pid  5045] set_robust_list(0x555556001660, 24 <unfinished ...>
[pid  5041] <... clone resumed>, child_tidptr=0x555556001650) = 5045
[pid  5044] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5045] <... set_robust_list resumed>) = 0
[pid  5043] <... clone resumed>, child_tidptr=0x555556001650) = 5047
./strace-static-x86_64: Process 5047 attached
[pid  5047] set_robust_list(0x555556001660, 24) = 0
[pid  5046] write(3, "1000", 4 <unfinished ...>
[pid  5045] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  5041] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5044] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5047] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5046] <... write resumed>)        = 4
./strace-static-x86_64: Process 5048 attached
[pid  5046] close(3 <unfinished ...>
[pid  5044] close(3 <unfinished ...>
[pid  5047] <... prctl resumed>)        = 0
[pid  5046] <... close resumed>)        = 0
[pid  5044] <... close resumed>)        = 0
[pid  5047] setpgid(0, 0 <unfinished ...>
[pid  5045] <... openat resumed>)       = 3
[pid  5048] set_robust_list(0x555556001660, 24 <unfinished ...>
[pid  5047] <... setpgid resumed>)      = 0
[pid  5046] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5044] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5041] <... clone resumed>, child_tidptr=0x555556001650) = 5048
[pid  5048] <... set_robust_list resumed>) = 0
[pid  5045] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5049 attached
 <unfinished ...>
[pid  5047] <... openat resumed>)       = 3
[pid  5049] set_robust_list(0x555556001660, 24) = 0
[pid  5048] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5041] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5049] setpgid(0, 0)               = 0
[pid  5049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5049] write(3, "1000", 4 <unfinished ...>
[pid  5047] write(3, "1000", 4)         = 4
[pid  5047] close(3)                    = 0
[pid  5047] memfd_create("syzkaller", 0) = 3
[pid  5047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7608637000
[pid  5047] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 <unfinished ...>
[pid  5045] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5049] <... write resumed>)        = 4
[pid  5049] close(3)                    = 0
[pid  5049] memfd_create("syzkaller", 0) = 3
[pid  5049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7608637000
./strace-static-x86_64: Process 5051 attached
[pid  5041] <... clone resumed>, child_tidptr=0x555556001650) = 5051
[pid  5049] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 <unfinished ...>
[pid  5048] <... openat resumed>)       = 3
[pid  5045] close(3 <unfinished ...>
[pid  5044] <... clone resumed>, child_tidptr=0x555556001650) = 5049
[pid  5051] set_robust_list(0x555556001660, 24 <unfinished ...>
[pid  5048] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5045] <... close resumed>)        = 0
[pid  5051] <... set_robust_list resumed>) = 0
[pid  5051] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5048] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5047] <... write resumed>)        = 131072
[pid  5045] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5048] close(3 <unfinished ...>
[pid  5049] <... write resumed>)        = 131072
[pid  5048] <... close resumed>)        = 0
[pid  5048] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5051] <... openat resumed>)       = 3
[pid  5047] munmap(0x7f7608637000, 131072) = 0
[pid  5047] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  5051] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  5045] <... clone resumed>, child_tidptr=0x555556001650) = 5052
[pid  5049] munmap(0x7f7608637000, 131072 <unfinished ...>
[pid  5047] <... openat resumed>)       = 4
[pid  5047] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5053 attached
 <unfinished ...>
[pid  5051] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  5049] <... munmap resumed>)       = 0
[pid  5053] set_robust_list(0x555556001660, 24 <unfinished ...>
[pid  5051] close(3 <unfinished ...>
[pid  5053] <... set_robust_list resumed>) = 0
[pid  5048] <... clone resumed>, child_tidptr=0x555556001650) = 5053
[pid  5051] <... close resumed>)        = 0
[pid  5051] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5052 attached
 <unfinished ...>
[pid  5049] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  5053] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5049] <... openat resumed>)       = 4
[pid  5053] <... prctl resumed>)        = 0
[pid  5053] setpgid(0, 0 <unfinished ...>
[pid  5052] set_robust_list(0x555556001660, 24 <unfinished ...>
[pid  5049] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5052] <... set_robust_list resumed>) = 0
[pid  5052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5052] setpgid(0, 0)               = 0
./strace-static-x86_64: Process 5054 attached
[pid  5053] <... setpgid resumed>)      = 0
[pid  5052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5054] set_robust_list(0x555556001660, 24 <unfinished ...>
[pid  5053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5052] <... openat resumed>)       = 3
[pid  5051] <... clone resumed>, child_tidptr=0x555556001650) = 5054
[pid  5054] <... set_robust_list resumed>) = 0
[pid  5054] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5052] write(3, "1000", 4 <unfinished ...>
[pid  5053] <... openat resumed>)       = 3
[pid  5054] <... prctl resumed>)        = 0
[pid  5052] <... write resumed>)        = 4
[pid  5054] setpgid(0, 0 <unfinished ...>
[pid  5052] close(3 <unfinished ...>
[pid  5053] write(3, "1000", 4 <unfinished ...>
[pid  5052] <... close resumed>)        = 0
[pid  5049] <... ioctl resumed>)        = 0
[pid  5047] <... ioctl resumed>)        = 0
[pid  5046] <... memfd_create resumed>) = 3
[pid  5052] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5046] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5052] <... memfd_create resumed>) = 3
[pid  5046] <... mmap resumed>)         = 0x7f7608637000
[pid  5052] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5046] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 <unfinished ...>
[pid  5052] <... mmap resumed>)         = 0x7f7608637000
[pid  5052] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 <unfinished ...>
[pid  5054] <... setpgid resumed>)      = 0
[pid  5053] <... write resumed>)        = 4
[pid  5047] close(3 <unfinished ...>
[pid  5054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5053] close(3 <unfinished ...>
[pid  5047] <... close resumed>)        = 0
[pid  5053] <... close resumed>)        = 0
[pid  5047] mkdir("./file0", 0777 <unfinished ...>
[pid  5054] <... openat resumed>)       = 3
[pid  5053] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5047] <... mkdir resumed>)        = 0
[pid  5054] write(3, "1000", 4 <unfinished ...>
[pid  5053] <... memfd_create resumed>) = 3
[pid  5049] close(3 <unfinished ...>
[pid  5046] <... write resumed>)        = 131072
[pid  5054] <... write resumed>)        = 4
[   66.923369][ T5046] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5046 'syz-executor356'
[   66.948242][ T5047] loop1: detected capacity change from 0 to 256
[   66.960835][ T5049] loop2: detected capacity change from 0 to 256
[pid  5053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid  5052] <... write resumed>)        = 131072
[pid  5049] <... close resumed>)        = 0
[pid  5047] mount("/dev/loop1", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "allow_utime=00000000000000000000010,errors=continue,dmask=00000000000000000000007,iocharset=iso8859-"... <unfinished ...>
[pid  5046] munmap(0x7f7608637000, 131072 <unfinished ...>
[pid  5054] close(3 <unfinished ...>
[pid  5053] <... mmap resumed>)         = 0x7f7608637000
[pid  5049] mkdir("./file0", 0777 <unfinished ...>
[pid  5052] munmap(0x7f7608637000, 131072) = 0
[pid  5052] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4
[pid  5054] <... close resumed>)        = 0
[pid  5053] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 <unfinished ...>
[pid  5052] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5054] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5053] <... write resumed>)        = 131072
[pid  5049] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  5053] munmap(0x7f7608637000, 131072 <unfinished ...>
[pid  5054] <... memfd_create resumed>) = 3
[pid  5054] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7608637000
[pid  5053] <... munmap resumed>)       = 0
[   66.992788][ T5047] =======================================================
[   66.992788][ T5047] WARNING: The mand mount option has been deprecated and
[   66.992788][ T5047]          and is ignored by this kernel. Remove the mand
[   66.992788][ T5047]          option from the mount to silence this warning.
[   66.992788][ T5047] =======================================================
[   67.031222][ T5052] loop3: detected capacity change from 0 to 256
[pid  5049] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "allow_utime=00000000000000000000010,errors=continue,dmask=00000000000000000000007,iocharset=iso8859-"... <unfinished ...>
[pid  5046] <... munmap resumed>)       = 0
[pid  5054] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072 <unfinished ...>
[pid  5053] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  5049] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5046] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5046] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5054] <... write resumed>)        = 131072
[pid  5053] <... openat resumed>)       = 4
[pid  5052] <... ioctl resumed>)        = 0
[pid  5049] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid  5047] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5054] munmap(0x7f7608637000, 131072 <unfinished ...>
[pid  5053] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5052] close(3 <unfinished ...>
[pid  5047] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid  5054] <... munmap resumed>)       = 0
[pid  5046] <... ioctl resumed>)        = 0
[pid  5046] close(3)                    = 0
[pid  5046] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  5046] mount("/dev/loop0", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "allow_utime=00000000000000000000010,errors=continue,dmask=00000000000000000000007,iocharset=iso8859-"...) = -1 EINVAL (Invalid argument)
[pid  5046] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid  5052] <... close resumed>)        = 0
[pid  5052] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  5052] mount("/dev/loop3", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "allow_utime=00000000000000000000010,errors=continue,dmask=00000000000000000000007,iocharset=iso8859-"... <unfinished ...>
[pid  5054] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  5053] <... ioctl resumed>)        = 0
[pid  5054] <... openat resumed>)       = 4
[pid  5053] close(3 <unfinished ...>
[pid  5054] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5052] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5052] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid  5053] <... close resumed>)        = 0
[pid  5053] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  5053] mount("/dev/loop4", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "allow_utime=00000000000000000000010,errors=continue,dmask=00000000000000000000007,iocharset=iso8859-"... <unfinished ...>
[pid  5054] <... ioctl resumed>)        = 0
[pid  5054] close(3)                    = 0
[pid  5054] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  5054] mount("/dev/loop5", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "allow_utime=00000000000000000000010,errors=continue,dmask=00000000000000000000007,iocharset=iso8859-"... <unfinished ...>
[pid  5053] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[   67.046618][ T5049] exfat: Bad value for 'uid'
[   67.049234][ T5047] exfat: Bad value for 'uid'
[   67.056685][ T5046] loop0: detected capacity change from 0 to 256
[   67.060290][ T5053] loop4: detected capacity change from 0 to 256
[   67.069318][ T5046] exfat: Bad value for 'uid'
[   67.073355][ T5052] exfat: Bad value for 'uid'
[   67.075583][ T5054] loop5: detected capacity change from 0 to 256
[   67.085851][ T5053] exfat: Bad value for 'uid'
[   67.089766][ T5054] exfat: Bad value for 'uid'
[pid  5053] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid  5054] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5049] <... ioctl resumed>)        = 0
[pid  5049] close(4)                    = 0
[pid  5049] mount("/dev/nullb0", "./file0/../file0", "erofs", 0, NULL) = -1 EINVAL (Invalid argument)
[pid  5049] mount("/dev/nullb0", "./file0/../file0", "bfs", 0, NULL <unfinished ...>
[pid  5054] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid  5047] <... ioctl resumed>)        = 0
[pid  5046] <... ioctl resumed>)        = 0
[pid  5047] close(4)                    = 0
[pid  5047] mount("/dev/nullb0", "./file0/../file0", "erofs", 0, NULL <unfinished ...>
[pid  5046] close(4)                    = 0
[pid  5046] mount("/dev/nullb0", "./file0/../file0", "erofs", 0, NULL <unfinished ...>
[pid  5053] <... ioctl resumed>)        = 0
[pid  5052] <... ioctl resumed>)        = 0
[   67.097911][ T5049] erofs: (device nullb0): erofs_read_superblock: cannot find valid erofs superblock
[   67.110513][ T5049] BFS-fs: bfs_fill_super(): No BFS filesystem on nullb0 (magic=00000000)
[   67.121970][ T5047] /dev/nullb0: Can't open blockdev
[   67.147331][ T5047] ------------[ cut here ]------------
[   67.152856][ T5047] WARNING: CPU: 0 PID: 5047 at fs/erofs/super.c:862 erofs_kill_sb+0x206/0x260
[   67.161855][ T5047] Modules linked in:
[   67.165830][ T5047] CPU: 0 PID: 5047 Comm: syz-executor356 Not tainted 6.5.0-rc3-next-20230728-syzkaller #0
[   67.175935][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   67.186298][ T5047] RIP: 0010:erofs_kill_sb+0x206/0x260
[   67.192183][ T5047] Code: 00 00 5b 5d 41 5c 41 5d e9 e7 27 b7 fd e8 e2 27 b7 fd 48 89 df e8 6a 81 1b fe 5b 5d 41 5c 41 5d e9 cf 27 b7 fd e8 ca 27 b7 fd <0f> 0b e9 41 fe ff ff e8 5e f6 0b fe e9 1a fe ff ff e8 54 f6 0b fe
[   67.202284][ T5057] loop2: detected capacity change from 0 to 256
[   67.212021][ T5047] RSP: 0018:ffffc90003c2fca0 EFLAGS: 00010293
[   67.224429][ T5047] RAX: 0000000000000000 RBX: ffff888029aee000 RCX: 0000000000000000
[   67.232929][ T5047] RDX: ffff8880268e9dc0 RSI: ffffffff83cfdc26 RDI: 0000000000000007
[pid  5053] close(4)                    = 0
[pid  5052] close(4)                    = 0
[pid  5052] mount("/dev/nullb0", "./file0/../file0", "erofs", 0, NULL <unfinished ...>
[pid  5049] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid  5049] lstat(NULL, NULL)           = -1 EFAULT (Bad address)
[pid  5049] sendmmsg(-1, NULL, 0, MSG_MORE) = -1 EBADF (Bad file descriptor)
[pid  5049] exit_group(0)               = ?
[pid  5049] +++ exited with 0 +++
[pid  5044] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5049, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
[pid  5044] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  5044] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  5044] close(3)                    = 0
[pid  5044] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556001650) = 5057
./strace-static-x86_64: Process 5057 attached
[pid  5057] set_robust_list(0x555556001660, 24) = 0
[pid  5057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5057] setpgid(0, 0)               = 0
[pid  5057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5057] write(3, "1000", 4)         = 4
[pid  5057] close(3)                    = 0
[pid  5057] memfd_create("syzkaller", 0) = 3
[pid  5057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7608637000
[pid  5057] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072
[pid  5057] munmap(0x7f7608637000, 131072) = 0
[pid  5057] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4
[pid  5057] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid  5053] mount("/dev/nullb0", "./file0/../file0", "erofs", 0, NULL <unfinished ...>
[pid  5057] <... ioctl resumed>)        = 0
[pid  5057] close(3)                    = 0
[pid  5057] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[   67.240993][ T5047] RBP: 00000000e0f5e1e2 R08: 0000000000000007 R09: 00000000e0f5e1e2
[   67.249051][ T5047] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   67.257094][ T5047] R13: 1ffff92000785fa0 R14: 00000000fffffff0 R15: ffff88807d747cf8
[   67.265133][ T5047] FS:  0000555556001380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[   67.274117][ T5047] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.276023][ T5057] exfat: Bad value for 'uid'
[   67.280755][ T5047] CR2: 000055aecc7b6468 CR3: 000000007b9d9000 CR4: 00000000003506f0
[pid  5057] mount("/dev/loop2", "./file0", "exfat", MS_NODEV|MS_NOEXEC|MS_MANDLOCK|MS_BORN, "allow_utime=00000000000000000000010,errors=continue,dmask=00000000000000000000007,iocharset=iso8859-"...) = -1 EINVAL (Invalid argument)
[   67.293437][ T5047] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   67.301481][ T5047] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   67.309539][ T5047] Call Trace:
[   67.312941][ T5047]  <TASK>
[   67.315937][ T5047]  ? __warn+0xe6/0x380
[   67.320064][ T5047]  ? erofs_kill_sb+0x206/0x260
[   67.324927][ T5047]  ? report_bug+0x3bc/0x580
[   67.329497][ T5047]  ? handle_bug+0x3c/0x70
[   67.333882][ T5047]  ? exc_invalid_op+0x17/0x40
[   67.338644][ T5047]  ? asm_exc_invalid_op+0x1a/0x20
[   67.343736][ T5047]  ? erofs_kill_sb+0x206/0x260
[pid  5057] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid  5054] <... ioctl resumed>)        = 0
[pid  5054] close(4)                    = 0
[   67.348596][ T5047]  ? erofs_kill_sb+0x206/0x260
[   67.353532][ T5047]  deactivate_locked_super+0x9a/0x170
[   67.359013][ T5047]  get_tree_bdev+0x4c7/0x6a0
[   67.363701][ T5047]  ? erofs_read_metadata+0x4b0/0x4b0
[   67.369099][ T5047]  ? sget_fc+0x860/0x860
[   67.373409][ T5047]  ? bpf_lsm_capable+0x9/0x10
[   67.378159][ T5047]  ? security_capable+0x92/0xc0
[   67.383097][ T5047]  vfs_get_tree+0x88/0x350
[   67.388154][ T5047]  path_mount+0x1492/0x1ed0
[   67.392722][ T5047]  ? kmem_cache_free+0xf0/0x490
[   67.397700][ T5047]  ? finish_automount+0xa50/0xa50
[   67.402793][ T5047]  ? putname+0x101/0x140
[   67.407125][ T5047]  __x64_sys_mount+0x293/0x310
[   67.411961][ T5047]  ? copy_mnt_ns+0xb60/0xb60
[   67.416623][ T5047]  ? _raw_spin_unlock_irq+0x2e/0x50
[   67.421867][ T5047]  ? ptrace_notify+0xf4/0x130
[   67.426627][ T5047]  do_syscall_64+0x38/0xb0
[   67.431101][ T5047]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   67.437086][ T5047] RIP: 0033:0x7f7610a75f09
[   67.441541][ T5047] 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
[   67.461284][ T5047] RSP: 002b:00007fffaf351d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   67.469795][ T5047] RAX: ffffffffffffffda RBX: 6c756e2f7665642f RCX: 00007f7610a75f09
[   67.477843][ T5047] RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000020000000
[   67.485877][ T5047] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000555556002378
[   67.493886][ T5047] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   67.501961][ T5047] R13: 00007fffaf351d70 R14: 00007fffaf351d5c R15: 00007f7610abf03b
[   67.510025][ T5047]  </TASK>
[   67.513073][ T5047] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   67.520391][ T5047] CPU: 0 PID: 5047 Comm: syz-executor356 Not tainted 6.5.0-rc3-next-20230728-syzkaller #0
[   67.530356][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[   67.540458][ T5047] Call Trace:
[   67.543756][ T5047]  <TASK>
[   67.546748][ T5047]  dump_stack_lvl+0xd9/0x1b0
[   67.551374][ T5047]  panic+0x6a4/0x750
[   67.555295][ T5047]  ? panic_smp_self_stop+0xa0/0xa0
[   67.560433][ T5047]  ? show_trace_log_lvl+0x29d/0x3c0
[   67.565669][ T5047]  ? erofs_kill_sb+0x206/0x260
[   67.570476][ T5047]  check_panic_on_warn+0xab/0xb0
[   67.575473][ T5047]  __warn+0xf2/0x380
[   67.579398][ T5047]  ? erofs_kill_sb+0x206/0x260
[   67.584200][ T5047]  report_bug+0x3bc/0x580
[   67.588557][ T5047]  handle_bug+0x3c/0x70
[   67.592746][ T5047]  exc_invalid_op+0x17/0x40
[   67.597275][ T5047]  asm_exc_invalid_op+0x1a/0x20
[   67.602153][ T5047] RIP: 0010:erofs_kill_sb+0x206/0x260
[   67.607565][ T5047] Code: 00 00 5b 5d 41 5c 41 5d e9 e7 27 b7 fd e8 e2 27 b7 fd 48 89 df e8 6a 81 1b fe 5b 5d 41 5c 41 5d e9 cf 27 b7 fd e8 ca 27 b7 fd <0f> 0b e9 41 fe ff ff e8 5e f6 0b fe e9 1a fe ff ff e8 54 f6 0b fe
[   67.627193][ T5047] RSP: 0018:ffffc90003c2fca0 EFLAGS: 00010293
[   67.633281][ T5047] RAX: 0000000000000000 RBX: ffff888029aee000 RCX: 0000000000000000
[   67.641291][ T5047] RDX: ffff8880268e9dc0 RSI: ffffffff83cfdc26 RDI: 0000000000000007
[   67.649286][ T5047] RBP: 00000000e0f5e1e2 R08: 0000000000000007 R09: 00000000e0f5e1e2
[   67.657281][ T5047] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   67.665268][ T5047] R13: 1ffff92000785fa0 R14: 00000000fffffff0 R15: ffff88807d747cf8
[   67.673286][ T5047]  ? erofs_kill_sb+0x206/0x260
[   67.678188][ T5047]  deactivate_locked_super+0x9a/0x170
[   67.683604][ T5047]  get_tree_bdev+0x4c7/0x6a0
[   67.688226][ T5047]  ? erofs_read_metadata+0x4b0/0x4b0
[   67.693535][ T5047]  ? sget_fc+0x860/0x860
[   67.697808][ T5047]  ? bpf_lsm_capable+0x9/0x10
[   67.702509][ T5047]  ? security_capable+0x92/0xc0
[   67.707418][ T5047]  vfs_get_tree+0x88/0x350
[   67.711877][ T5047]  path_mount+0x1492/0x1ed0
[   67.716417][ T5047]  ? kmem_cache_free+0xf0/0x490
[   67.721304][ T5047]  ? finish_automount+0xa50/0xa50
[   67.726361][ T5047]  ? putname+0x101/0x140
[   67.730632][ T5047]  __x64_sys_mount+0x293/0x310
[   67.735428][ T5047]  ? copy_mnt_ns+0xb60/0xb60
[   67.740049][ T5047]  ? _raw_spin_unlock_irq+0x2e/0x50
[   67.745268][ T5047]  ? ptrace_notify+0xf4/0x130
[   67.749972][ T5047]  do_syscall_64+0x38/0xb0
[   67.754413][ T5047]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   67.760422][ T5047] RIP: 0033:0x7f7610a75f09
[   67.764856][ T5047] 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
[   67.784491][ T5047] RSP: 002b:00007fffaf351d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   67.792955][ T5047] RAX: ffffffffffffffda RBX: 6c756e2f7665642f RCX: 00007f7610a75f09
[   67.800953][ T5047] RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000020000000
[   67.808951][ T5047] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000555556002378
[   67.816946][ T5047] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   67.824940][ T5047] R13: 00007fffaf351d70 R14: 00007fffaf351d5c R15: 00007f7610abf03b
[   67.832945][ T5047]  </TASK>
[   67.836198][ T5047] Kernel Offset: disabled
[   67.840539][ T5047] Rebooting in 86400 seconds..