./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor214771694
<...>
Warning: Permanently added '10.128.0.245' (ECDSA) to the list of known hosts.
execve("./syz-executor214771694", ["./syz-executor214771694"], 0x7ffe34b16930 /* 10 vars */) = 0
brk(NULL) = 0x5555570ff000
brk(0x5555570ffc40) = 0x5555570ffc40
arch_prctl(ARCH_SET_FS, 0x5555570ff300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor214771694", 4096) = 27
brk(0x555557120c40) = 0x555557120c40
brk(0x555557121000) = 0x555557121000
mprotect(0x7fd2011a7000, 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 5079 attached
, child_tidptr=0x5555570ff5d0) = 5079
[pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5079] getpid() = 5079
[pid 5079] mkdir("./syzkaller.rkMygg", 0700./strace-static-x86_64: Process 5080 attached
<unfinished ...>
[pid 5078] <... clone resumed>, child_tidptr=0x5555570ff5d0) = 5080
[pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570ff5d0) = 5081
[pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555570ff5d0) = 5082
[pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5079] <... mkdir resumed>) = 0
./strace-static-x86_64: Process 5081 attached
[pid 5078] <... clone resumed>, child_tidptr=0x5555570ff5d0) = 5083
[pid 5078] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5079] chmod("./syzkaller.rkMygg", 0777 <unfinished ...>
[pid 5078] <... clone resumed>, child_tidptr=0x5555570ff5d0) = 5084
[pid 5080] getpid() = 5080
[pid 5080] mkdir("./syzkaller.tKL04l", 0700 <unfinished ...>
[pid 5079] <... chmod resumed>) = 0
[pid 5080] <... mkdir resumed>) = 0
[pid 5079] chdir("./syzkaller.rkMygg" <unfinished ...>
[pid 5080] chmod("./syzkaller.tKL04l", 0777 <unfinished ...>
[pid 5079] <... chdir resumed>) = 0
[pid 5080] <... chmod resumed>) = 0
[pid 5080] chdir("./syzkaller.tKL04l") = 0
[pid 5080] mkdir("./0", 0777 <unfinished ...>
[pid 5079] mkdir("./0", 0777 <unfinished ...>
[pid 5081] getpid(./strace-static-x86_64: Process 5084 attached
<unfinished ...>
[pid 5084] getpid( <unfinished ...>
[pid 5080] <... mkdir resumed>) = 0
[pid 5080] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid 5084] <... getpid resumed>) = 5084
[pid 5084] mkdir("./syzkaller.INkRYE", 0700 <unfinished ...>
[pid 5079] <... mkdir resumed>) = 0
./strace-static-x86_64: Process 5083 attached
[pid 5083] getpid( <unfinished ...>
[pid 5080] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5079] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5080] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5084] <... mkdir resumed>) = 0
[pid 5083] <... getpid resumed>) = 5083
[pid 5079] <... openat resumed>) = 3
[pid 5084] chmod("./syzkaller.INkRYE", 0777) = 0
[pid 5080] close(3 <unfinished ...>
[pid 5083] mkdir("./syzkaller.orTuUw", 0700./strace-static-x86_64: Process 5082 attached
<unfinished ...>
[pid 5084] chdir("./syzkaller.INkRYE" <unfinished ...>
[pid 5083] <... mkdir resumed>) = 0
[pid 5081] <... getpid resumed>) = 5081
[pid 5080] <... close resumed>) = 0
[pid 5079] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5081] mkdir("./syzkaller.ehjKxp", 0700 <unfinished ...>
[pid 5079] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5081] <... mkdir resumed>) = 0
[pid 5079] close(3) = 0
[pid 5079] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5082] getpid( <unfinished ...>
[pid 5084] <... chdir resumed>) = 0
[pid 5084] mkdir("./0", 0777 <unfinished ...>
[pid 5082] <... getpid resumed>) = 5082
[pid 5082] mkdir("./syzkaller.cPCkUt", 0700./strace-static-x86_64: Process 5085 attached
<unfinished ...>
[pid 5084] <... mkdir resumed>) = 0
[pid 5082] <... mkdir resumed>) = 0
[pid 5079] <... clone resumed>, child_tidptr=0x5555570ff5d0) = 5085
[pid 5085] chdir("./0") = 0
[pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5081] chmod("./syzkaller.ehjKxp", 0777 <unfinished ...>
[pid 5085] <... prctl resumed>) = 0
[pid 5085] setpgid(0, 0 <unfinished ...>
[pid 5084] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5082] chmod("./syzkaller.cPCkUt", 0777 <unfinished ...>
[pid 5081] <... chmod resumed>) = 0
[pid 5085] <... setpgid resumed>) = 0
[pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5084] <... openat resumed>) = 3
[pid 5082] <... chmod resumed>) = 0
[pid 5081] chdir("./syzkaller.ehjKxp" <unfinished ...>
[pid 5085] <... openat resumed>) = 3
[pid 5084] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5083] chmod("./syzkaller.orTuUw", 0777 <unfinished ...>
[pid 5082] chdir("./syzkaller.cPCkUt" <unfinished ...>
[pid 5081] <... chdir resumed>) = 0
[pid 5085] write(3, "1000", 4) = 4
[pid 5085] close(3) = 0
[pid 5084] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5083] <... chmod resumed>) = 0
[pid 5082] <... chdir resumed>) = 0
[pid 5081] mkdir("./0", 0777 <unfinished ...>
[pid 5080] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5085] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5084] close(3 <unfinished ...>
[pid 5083] chdir("./syzkaller.orTuUw" <unfinished ...>
[pid 5082] mkdir("./0", 0777 <unfinished ...>
[pid 5081] <... mkdir resumed>) = 0
[pid 5085] <... symlink resumed>) = 0
[pid 5084] <... close resumed>) = 0
[pid 5083] <... chdir resumed>) = 0
[pid 5082] <... mkdir resumed>) = 0
[pid 5081] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5080] <... clone resumed>, child_tidptr=0x5555570ff5d0) = 5087
[pid 5085] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5084] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5083] mkdir("./0", 0777 <unfinished ...>
[pid 5082] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5081] <... openat resumed>) = 3
[pid 5083] <... mkdir resumed>) = 0
[pid 5082] <... openat resumed>) = 3
[pid 5081] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5084] <... clone resumed>, child_tidptr=0x5555570ff5d0) = 5088
[pid 5083] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5082] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5081] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5083] <... openat resumed>) = 3
[pid 5082] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5081] close(3 <unfinished ...>
[pid 5083] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid 5082] close(3 <unfinished ...>
[pid 5081] <... close resumed>) = 0
[pid 5083] <... ioctl resumed>) = -1 ENXIO (No such device or address)
[pid 5082] <... close resumed>) = 0
[pid 5081] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5087 attached
<unfinished ...>
[pid 5083] close(3 <unfinished ...>
[pid 5082] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5087] chdir("./0" <unfinished ...>
[pid 5083] <... close resumed>) = 0
[pid 5081] <... clone resumed>, child_tidptr=0x5555570ff5d0) = 5089
./strace-static-x86_64: Process 5088 attached
[pid 5087] <... chdir resumed>) = 0
[pid 5085] <... memfd_create resumed>) = 3
[pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5082] <... clone resumed>, child_tidptr=0x5555570ff5d0) = 5090
[pid 5088] chdir("./0" <unfinished ...>
[pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5089 attached
<unfinished ...>
[pid 5088] <... chdir resumed>) = 0
[pid 5087] <... prctl resumed>) = 0
[pid 5085] <... mmap resumed>) = 0x7fd1f8cea000
[pid 5089] chdir("./0" <unfinished ...>
[pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5087] setpgid(0, 0 <unfinished ...>
[pid 5083] <... clone resumed>, child_tidptr=0x5555570ff5d0) = 5091
./strace-static-x86_64: Process 5090 attached
[pid 5089] <... chdir resumed>) = 0
[pid 5088] <... prctl resumed>) = 0
[pid 5087] <... setpgid resumed>) = 0
[pid 5085] 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 5090] chdir("./0" <unfinished ...>
[pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5088] setpgid(0, 0 <unfinished ...>
[pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5090] <... chdir resumed>) = 0
[pid 5089] <... prctl resumed>) = 0
[pid 5088] <... setpgid resumed>) = 0
[pid 5087] <... openat resumed>) = 3
[pid 5085] <... write resumed>) = 131072
[pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5089] setpgid(0, 0 <unfinished ...>
[pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5087] write(3, "1000", 4 <unfinished ...>
[pid 5085] munmap(0x7fd1f8cea000, 131072 <unfinished ...>
[pid 5090] <... prctl resumed>) = 0
[pid 5089] <... setpgid resumed>) = 0
[pid 5088] <... openat resumed>) = 3
[pid 5087] <... write resumed>) = 4
[pid 5085] <... munmap resumed>) = 0
./strace-static-x86_64: Process 5091 attached
[pid 5090] setpgid(0, 0 <unfinished ...>
[pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5088] write(3, "1000", 4 <unfinished ...>
[pid 5087] close(3 <unfinished ...>
[pid 5085] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid 5091] chdir("./0" <unfinished ...>
[pid 5090] <... setpgid resumed>) = 0
[pid 5089] <... openat resumed>) = 3
[pid 5088] <... write resumed>) = 4
[pid 5087] <... close resumed>) = 0
[pid 5085] <... openat resumed>) = 4
[pid 5091] <... chdir resumed>) = 0
[pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5089] write(3, "1000", 4 <unfinished ...>
[pid 5088] close(3 <unfinished ...>
[pid 5087] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5085] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5090] <... openat resumed>) = 3
[pid 5089] <... write resumed>) = 4
[pid 5088] <... close resumed>) = 0
[pid 5087] <... symlink resumed>) = 0
syzkaller login: [ 60.576468][ T5085] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5085 'syz-executor214'
[pid 5090] write(3, "1000", 4) = 4
[pid 5090] close(3) = 0
[pid 5090] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5091] <... prctl resumed>) = 0
[pid 5090] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5089] close(3 <unfinished ...>
[pid 5088] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5087] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5091] setpgid(0, 0 <unfinished ...>
[pid 5090] <... memfd_create resumed>) = 3
[pid 5089] <... close resumed>) = 0
[pid 5088] <... symlink resumed>) = 0
[pid 5087] <... memfd_create resumed>) = 3
[pid 5091] <... setpgid resumed>) = 0
[pid 5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5089] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5088] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5090] <... mmap resumed>) = 0x7fd1f8cea000
[pid 5089] <... symlink resumed>) = 0
[pid 5087] <... mmap resumed>) = 0x7fd1f8cea000
[pid 5091] <... openat resumed>) = 3
[pid 5090] 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 5089] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5088] <... memfd_create resumed>) = 3
[pid 5085] <... ioctl resumed>) = 0
[pid 5091] write(3, "1000", 4 <unfinished ...>
[pid 5090] <... write resumed>) = 131072
[pid 5089] <... memfd_create resumed>) = 3
[pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5087] 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 5085] close(3 <unfinished ...>
[pid 5091] <... write resumed>) = 4
[pid 5090] munmap(0x7fd1f8cea000, 131072 <unfinished ...>
[pid 5089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5088] <... mmap resumed>) = 0x7fd1f8cea000
[pid 5091] close(3 <unfinished ...>
[pid 5090] <... munmap resumed>) = 0
[pid 5089] <... mmap resumed>) = 0x7fd1f8cea000
[pid 5087] <... write resumed>) = 131072
[pid 5085] <... close resumed>) = 0
[pid 5091] <... close resumed>) = 0
[pid 5090] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid 5088] 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 5087] munmap(0x7fd1f8cea000, 131072 <unfinished ...>
[pid 5090] <... openat resumed>) = 4
[pid 5089] 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 5087] <... munmap resumed>) = 0
[pid 5091] symlink("/dev/binderfs", "./binderfs" <unfinished ...>
[pid 5085] mkdir("./file0", 0777 <unfinished ...>
[pid 5090] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5089] <... write resumed>) = 131072
[pid 5088] <... write resumed>) = 131072
[pid 5091] <... symlink resumed>) = 0
[pid 5090] <... ioctl resumed>) = 0
[pid 5089] munmap(0x7fd1f8cea000, 131072 <unfinished ...>
[pid 5088] munmap(0x7fd1f8cea000, 131072 <unfinished ...>
[pid 5087] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid 5085] <... mkdir resumed>) = 0
[pid 5091] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5090] close(3 <unfinished ...>
[pid 5089] <... munmap resumed>) = 0
[pid 5088] <... munmap resumed>) = 0
[pid 5087] <... openat resumed>) = 4
[pid 5085] mount("/dev/loop0", "./file0", "exfat", MS_BORN, "iocharset=cp855,allow_utime=00000000000000000000004,iocharset=cp865,errors=continue,gid=0x0000000000"... <unfinished ...>
[pid 5091] <... memfd_create resumed>) = 3
[ 60.620888][ T5085] loop0: detected capacity change from 0 to 256
[ 60.658481][ T5090] loop3: detected capacity change from 0 to 256
[pid 5090] <... close resumed>) = 0
[pid 5089] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid 5088] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid 5087] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5090] mkdir("./file0", 0777 <unfinished ...>
[pid 5088] <... openat resumed>) = 4
[pid 5090] <... mkdir resumed>) = 0
[pid 5088] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 <unfinished ...>
[pid 5090] mount("/dev/loop3", "./file0", "exfat", MS_BORN, "iocharset=cp855,allow_utime=00000000000000000000004,iocharset=cp865,errors=continue,gid=0x0000000000"... <unfinished ...>
[pid 5089] <... openat resumed>) = 4
[pid 5087] <... ioctl resumed>) = 0
[pid 5091] <... mmap resumed>) = 0x7fd1f8cea000
[pid 5089] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[pid 5087] close(3 <unfinished ...>
[pid 5091] 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 5087] <... close resumed>) = 0
[pid 5091] munmap(0x7fd1f8cea000, 131072 <unfinished ...>
[pid 5089] <... ioctl resumed>) = 0
[pid 5087] mkdir("./file0", 0777 <unfinished ...>
[pid 5091] <... munmap resumed>) = 0
[pid 5089] close(3 <unfinished ...>
[pid 5091] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid 5087] <... mkdir resumed>) = 0
[pid 5091] <... openat resumed>) = 4
[pid 5089] <... close resumed>) = 0
[pid 5087] mount("/dev/loop1", "./file0", "exfat", MS_BORN, "iocharset=cp855,allow_utime=00000000000000000000004,iocharset=cp865,errors=continue,gid=0x0000000000"... <unfinished ...>
[pid 5091] ioctl(4, LOOP_SET_FD, 3 <unfinished ...>
[ 60.671128][ T5085] exfat: Deprecated parameter 'utf8'
[ 60.677365][ T5087] loop1: detected capacity change from 0 to 256
[ 60.677387][ T5088] loop5: detected capacity change from 0 to 256
[ 60.683671][ T5085] exfat: Deprecated parameter 'utf8'
[ 60.693160][ T5090] exfat: Deprecated parameter 'utf8'
[ 60.704365][ T5089] loop2: detected capacity change from 0 to 256
[ 60.707446][ T5090] exfat: Deprecated parameter 'utf8'
[pid 5089] mkdir("./file0", 0777 <unfinished ...>
[pid 5088] <... ioctl resumed>) = 0
[pid 5088] close(3) = 0
[pid 5088] mkdir("./file0", 0777) = 0
[pid 5088] mount("/dev/loop5", "./file0", "exfat", MS_BORN, "iocharset=cp855,allow_utime=00000000000000000000004,iocharset=cp865,errors=continue,gid=0x0000000000"... <unfinished ...>
[pid 5089] <... mkdir resumed>) = 0
[pid 5091] <... ioctl resumed>) = 0
[pid 5089] mount("/dev/loop2", "./file0", "exfat", MS_BORN, "iocharset=cp855,allow_utime=00000000000000000000004,iocharset=cp865,errors=continue,gid=0x0000000000"... <unfinished ...>
[pid 5091] close(3) = 0
[ 60.725591][ T5087] exfat: Deprecated parameter 'utf8'
[ 60.731523][ T5091] loop4: detected capacity change from 0 to 256
[ 60.734836][ T5088] exfat: Deprecated parameter 'utf8'
[ 60.739085][ T5087] exfat: Deprecated parameter 'utf8'
[ 60.750693][ T5089] exfat: Deprecated parameter 'utf8'
[ 60.752520][ T5088] exfat: Deprecated parameter 'utf8'
[ 60.756114][ T5089] exfat: Deprecated parameter 'utf8'
[pid 5091] mkdir("./file0", 0777) = 0
[ 60.775937][ T5085] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d)
[ 60.784095][ T5090] exFAT-fs (loop3): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d)
[ 60.802409][ T5089] exFAT-fs (loop2): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d)
[ 60.817140][ T5091] exfat: Deprecated parameter 'utf8'
[pid 5091] mount("/dev/loop4", "./file0", "exfat", MS_BORN, "iocharset=cp855,allow_utime=00000000000000000000004,iocharset=cp865,errors=continue,gid=0x0000000000"... <unfinished ...>
[pid 5089] <... mount resumed>) = 0
[pid 5085] <... mount resumed>) = 0
[pid 5090] <... mount resumed>) = 0
[pid 5085] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5090] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5085] <... openat resumed>) = 3
[pid 5090] <... openat resumed>) = 3
[pid 5089] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5085] chdir("./file0" <unfinished ...>
[pid 5090] chdir("./file0" <unfinished ...>
[pid 5089] <... openat resumed>) = 3
[pid 5085] <... chdir resumed>) = 0
[pid 5090] <... chdir resumed>) = 0
[pid 5085] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5090] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5085] <... ioctl resumed>) = 0
[pid 5090] <... ioctl resumed>) = 0
[ 60.827670][ T5087] exFAT-fs (loop1): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d)
[ 60.846265][ T5091] exfat: Deprecated parameter 'utf8'
[ 60.851198][ T5088] exFAT-fs (loop5): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d)
[pid 5085] close(4 <unfinished ...>
[pid 5090] close(4 <unfinished ...>
[pid 5089] chdir("./file0" <unfinished ...>
[pid 5087] <... mount resumed>) = 0
[pid 5085] <... close resumed>) = 0
[pid 5090] <... close resumed>) = 0
[pid 5085] creat("./bus", 000 <unfinished ...>
[pid 5090] creat("./bus", 000 <unfinished ...>
[pid 5085] <... creat resumed>) = 4
[pid 5090] <... creat resumed>) = 4
[pid 5085] rename("./bus", "./file0/file0" <unfinished ...>
[pid 5090] rename("./bus", "./file0/file0" <unfinished ...>
[pid 5089] <... chdir resumed>) = 0
[pid 5087] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5091] <... mount resumed>) = 0
[pid 5088] <... mount resumed>) = 0
[pid 5089] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5087] <... openat resumed>) = 3
[pid 5091] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5088] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY <unfinished ...>
[pid 5089] <... ioctl resumed>) = 0
[pid 5087] chdir("./file0" <unfinished ...>
[pid 5091] <... openat resumed>) = 3
[pid 5089] close(4 <unfinished ...>
[pid 5088] <... openat resumed>) = 3
[pid 5091] chdir("./file0" <unfinished ...>
[pid 5089] <... close resumed>) = 0
[pid 5088] chdir("./file0" <unfinished ...>
[pid 5087] <... chdir resumed>) = 0
[pid 5087] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5091] <... chdir resumed>) = 0
[pid 5089] creat("./bus", 000 <unfinished ...>
[pid 5088] <... chdir resumed>) = 0
[pid 5087] <... ioctl resumed>) = 0
[pid 5091] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5088] ioctl(4, LOOP_CLR_FD <unfinished ...>
[pid 5087] close(4 <unfinished ...>
[pid 5091] <... ioctl resumed>) = 0
[pid 5089] <... creat resumed>) = 4
[pid 5088] <... ioctl resumed>) = 0
[pid 5087] <... close resumed>) = 0
[pid 5091] close(4 <unfinished ...>
[pid 5089] rename("./bus", "./file0/file0" <unfinished ...>
[pid 5088] close(4 <unfinished ...>
[pid 5087] creat("./bus", 000 <unfinished ...>
[pid 5088] <... close resumed>) = 0
[pid 5091] <... close resumed>) = 0
[pid 5091] creat("./bus", 000 <unfinished ...>
[pid 5088] creat("./bus", 000 <unfinished ...>
[pid 5087] <... creat resumed>) = 4
[pid 5088] <... creat resumed>) = 4
[pid 5087] rename("./bus", "./file0/file0" <unfinished ...>
[pid 5091] <... creat resumed>) = 4
[pid 5088] rename("./bus", "./file0/file0" <unfinished ...>
[ 60.877733][ T5091] exFAT-fs (loop4): failed to load upcase table (idx : 0x00010000, chksum : 0xfb8363f9, utbl_chksum : 0xe619d30d)
[pid 5091] rename("./bus", "./file0/file0" <unfinished ...>
[pid 5079] kill(-5085, SIGKILL) = 0
[pid 5079] kill(5085, SIGKILL) = 0
[pid 5080] kill(-5087, SIGKILL) = 0
[pid 5080] kill(5087, SIGKILL) = 0
[pid 5084] kill(-5088, SIGKILL <unfinished ...>
[pid 5082] kill(-5090, SIGKILL <unfinished ...>
[pid 5081] kill(-5089, SIGKILL <unfinished ...>
[pid 5084] <... kill resumed>) = 0
[pid 5082] <... kill resumed>) = 0
[pid 5081] <... kill resumed>) = 0
[pid 5081] kill(5089, SIGKILL) = 0
[pid 5084] kill(5088, SIGKILL <unfinished ...>
[pid 5082] kill(5090, SIGKILL <unfinished ...>
[pid 5084] <... kill resumed>) = 0
[pid 5082] <... kill resumed>) = 0
[pid 5083] kill(-5091, SIGKILL) = 0
[pid 5083] kill(5091, SIGKILL) = 0
[pid 5084] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5082] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5084] fstat(3, <unfinished ...>
[pid 5082] fstat(3, <unfinished ...>
[pid 5084] <... fstat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 5082] <... fstat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 5084] getdents64(3, <unfinished ...>
[pid 5082] getdents64(3, <unfinished ...>
[pid 5083] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5084] <... getdents64 resumed>0x555557100620 /* 2 entries */, 32768) = 48
[pid 5081] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5080] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5084] getdents64(3, <unfinished ...>
[pid 5083] <... openat resumed>) = 3
[pid 5082] <... getdents64 resumed>0x555557100620 /* 2 entries */, 32768) = 48
[pid 5081] <... openat resumed>) = 3
[pid 5080] <... openat resumed>) = 3
[pid 5084] <... getdents64 resumed>0x555557100620 /* 0 entries */, 32768) = 0
[pid 5083] fstat(3, <unfinished ...>
[pid 5082] getdents64(3, <unfinished ...>
[pid 5081] fstat(3, <unfinished ...>
[pid 5080] fstat(3, <unfinished ...>
[pid 5084] close(3 <unfinished ...>
[pid 5083] <... fstat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 5082] <... getdents64 resumed>0x555557100620 /* 0 entries */, 32768) = 0
[pid 5081] <... fstat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 5080] <... fstat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 5084] <... close resumed>) = 0
[pid 5083] getdents64(3, <unfinished ...>
[pid 5082] close(3 <unfinished ...>
[pid 5081] getdents64(3, <unfinished ...>
[pid 5080] getdents64(3, <unfinished ...>
[pid 5083] <... getdents64 resumed>0x555557100620 /* 2 entries */, 32768) = 48
[pid 5082] <... close resumed>) = 0
[pid 5081] <... getdents64 resumed>0x555557100620 /* 2 entries */, 32768) = 48
[pid 5080] <... getdents64 resumed>0x555557100620 /* 2 entries */, 32768) = 48
[pid 5081] getdents64(3, <unfinished ...>
[pid 5080] getdents64(3, <unfinished ...>
[pid 5081] <... getdents64 resumed>0x555557100620 /* 0 entries */, 32768) = 0
[pid 5080] <... getdents64 resumed>0x555557100620 /* 0 entries */, 32768) = 0
[pid 5081] close(3 <unfinished ...>
[pid 5080] close(3 <unfinished ...>
[pid 5081] <... close resumed>) = 0
[pid 5080] <... close resumed>) = 0
[pid 5083] getdents64(3, 0x555557100620 /* 0 entries */, 32768) = 0
[pid 5083] close(3) = 0
[pid 5079] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5079] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid 5079] getdents64(3, 0x555557100620 /* 2 entries */, 32768) = 48
[pid 5079] getdents64(3, 0x555557100620 /* 0 entries */, 32768) = 0
[pid 5079] close(3) = 0
[ 76.279563][ T7] cfg80211: failed to load regulatory.db
[ 286.187285][ T28] INFO: task kworker/u4:0:10 blocked for more than 143 seconds.
[ 286.195085][ T28] Not tainted 6.2.0-rc7-next-20230208-syzkaller #0
[ 286.247254][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.255966][ T28] task:kworker/u4:0 state:D stack:27232 pid:10 ppid:2 flags:0x00004000
[ 286.327257][ T28] Workqueue: writeback wb_workfn (flush-7:3)
[ 286.333409][ T28] Call Trace:
[ 286.336708][ T28] <TASK>
[ 286.377319][ T28] __schedule+0x245a/0x5a60
[ 286.381961][ T28] ? io_schedule_timeout+0x150/0x150
[ 286.417255][ T28] ? blk_mq_insert_requests+0x310/0x310
[ 286.422929][ T28] ? __mutex_lock+0xa36/0x1350
[ 286.457512][ T28] schedule+0xde/0x1a0
[ 286.461655][ T28] schedule_preempt_disabled+0x13/0x20
[ 286.467151][ T28] __mutex_lock+0xa3b/0x1350
[ 286.497262][ T28] ? exfat_write_inode+0x6e/0x140
[ 286.502421][ T28] ? mutex_lock_io_nested+0x11a0/0x11a0
[ 286.527337][ T28] ? do_raw_spin_lock+0x124/0x2b0
[ 286.532460][ T28] exfat_write_inode+0x6e/0x140
[ 286.557256][ T28] __writeback_single_inode+0xd38/0x14d0
[ 286.562965][ T28] writeback_sb_inodes+0x54d/0xfa0
[ 286.617330][ T28] ? trylock_super+0x21/0x110
[ 286.622124][ T28] ? lock_acquire+0x32/0xc0
[ 286.626660][ T28] ? sync_inode_metadata+0xe0/0xe0
[ 286.657299][ T28] __writeback_inodes_wb+0xc6/0x280
[ 286.662573][ T28] wb_writeback+0x8d6/0xdd0
[ 286.667129][ T28] ? __writeback_inodes_wb+0x280/0x280
[ 286.697322][ T28] ? get_nr_dirty_inodes+0x11e/0x1b0
[ 286.702699][ T28] wb_workfn+0x86e/0xdc0
[ 286.707000][ T28] ? inode_wait_for_writeback+0x40/0x40
[ 286.767260][ T28] ? lock_sync+0x190/0x190
[ 286.771763][ T28] process_one_work+0x9bf/0x1820
[ 286.776821][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 286.807302][ T28] ? spin_bug+0x1c0/0x1c0
[ 286.811705][ T28] ? lock_acquire+0x32/0xc0
[ 286.816241][ T28] ? worker_thread+0x16d/0x1090
[ 286.857264][ T28] worker_thread+0x669/0x1090
[ 286.862028][ T28] ? process_one_work+0x1820/0x1820
[ 286.887257][ T28] kthread+0x2e8/0x3a0
[ 286.891389][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 286.897061][ T28] ret_from_fork+0x1f/0x30
[ 286.927366][ T28] </TASK>
[ 286.947308][ T28] INFO: task kworker/u4:1:12 blocked for more than 144 seconds.
[ 286.954968][ T28] Not tainted 6.2.0-rc7-next-20230208-syzkaller #0
[ 287.017275][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 287.025994][ T28] task:kworker/u4:1 state:D stack:24328 pid:12 ppid:2 flags:0x00004000
[ 287.087253][ T28] Workqueue: writeback wb_workfn (flush-7:4)
[ 287.093331][ T28] Call Trace:
[ 287.096627][ T28] <TASK>
[ 287.137260][ T28] __schedule+0x245a/0x5a60
[ 287.141859][ T28] ? io_schedule_timeout+0x150/0x150
[ 287.147179][ T28] ? blk_mq_insert_requests+0x310/0x310
[ 287.172867][ T28] ? __mutex_lock+0xa36/0x1350
[ 287.197286][ T28] schedule+0xde/0x1a0
[ 287.201414][ T28] schedule_preempt_disabled+0x13/0x20
[ 287.206909][ T28] __mutex_lock+0xa3b/0x1350
[ 287.237258][ T28] ? exfat_write_inode+0x6e/0x140
[ 287.242372][ T28] ? mutex_lock_io_nested+0x11a0/0x11a0
[ 287.277269][ T28] ? do_raw_spin_lock+0x124/0x2b0
[ 287.282376][ T28] exfat_write_inode+0x6e/0x140
[ 287.317287][ T28] __writeback_single_inode+0xd38/0x14d0
[ 287.322997][ T28] writeback_sb_inodes+0x54d/0xfa0
[ 287.347291][ T28] ? trylock_super+0x21/0x110
[ 287.352024][ T28] ? lock_acquire+0x32/0xc0
[ 287.356563][ T28] ? sync_inode_metadata+0xe0/0xe0
[ 287.397279][ T28] __writeback_inodes_wb+0xc6/0x280
[ 287.402559][ T28] wb_writeback+0x8d6/0xdd0
[ 287.407109][ T28] ? __writeback_inodes_wb+0x280/0x280
[ 287.437294][ T28] ? get_nr_dirty_inodes+0x11e/0x1b0
[ 287.442654][ T28] wb_workfn+0x86e/0xdc0
[ 287.446952][ T28] ? inode_wait_for_writeback+0x40/0x40
[ 287.517260][ T28] ? lock_sync+0x190/0x190
[ 287.521769][ T28] process_one_work+0x9bf/0x1820
[ 287.526761][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 287.557285][ T28] ? rcu_read_lock_sched_held+0x3e/0x70
[ 287.562955][ T28] ? spin_bug+0x1c0/0x1c0
[ 287.587286][ T28] ? lock_acquire+0x32/0xc0
[ 287.591851][ T28] ? worker_thread+0x16d/0x1090
[ 287.596748][ T28] worker_thread+0x669/0x1090
[ 287.647266][ T28] ? process_one_work+0x1820/0x1820
[ 287.652534][ T28] kthread+0x2e8/0x3a0
[ 287.656634][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 287.687456][ T28] ret_from_fork+0x1f/0x30
[ 287.691963][ T28] </TASK>
[ 287.695013][ T28] INFO: task kworker/u4:2:41 blocked for more than 144 seconds.
[ 287.737276][ T28] Not tainted 6.2.0-rc7-next-20230208-syzkaller #0
[ 287.744332][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 287.807439][ T28] task:kworker/u4:2 state:D stack:26952 pid:41 ppid:2 flags:0x00004000
[ 287.816706][ T28] Workqueue: writeback wb_workfn (flush-7:1)
[ 287.857287][ T28] Call Trace:
[ 287.860620][ T28] <TASK>
[ 287.863583][ T28] __schedule+0x245a/0x5a60
[ 287.887413][ T28] ? blk_mq_flush_plug_list+0x3b8/0xe10
[ 287.893044][ T28] ? io_schedule_timeout+0x150/0x150
[ 287.927477][ T28] ? blk_mq_insert_requests+0x310/0x310
[ 287.933122][ T28] ? __mutex_lock+0xa36/0x1350
[ 287.967329][ T28] schedule+0xde/0x1a0
[ 287.971478][ T28] schedule_preempt_disabled+0x13/0x20
[ 287.976973][ T28] __mutex_lock+0xa3b/0x1350
[ 288.027265][ T28] ? exfat_write_inode+0x6e/0x140
[ 288.032370][ T28] ? mutex_lock_io_nested+0x11a0/0x11a0
[ 288.067266][ T28] ? do_raw_spin_lock+0x124/0x2b0
[ 288.072381][ T28] exfat_write_inode+0x6e/0x140
[ 288.107258][ T28] __writeback_single_inode+0xd38/0x14d0
[ 288.112964][ T28] writeback_sb_inodes+0x54d/0xfa0
[ 288.137264][ T28] ? trylock_super+0x21/0x110
[ 288.142014][ T28] ? lock_acquire+0x32/0xc0
[ 288.146566][ T28] ? sync_inode_metadata+0xe0/0xe0
[ 288.207338][ T28] __writeback_inodes_wb+0xc6/0x280
[ 288.212635][ T28] wb_writeback+0x8d6/0xdd0
[ 288.217190][ T28] ? __writeback_inodes_wb+0x280/0x280
[ 288.253971][ T28] ? get_nr_dirty_inodes+0x11e/0x1b0
[ 288.297266][ T28] wb_workfn+0x86e/0xdc0
[ 288.301605][ T28] ? inode_wait_for_writeback+0x40/0x40
[ 288.327283][ T28] ? lock_sync+0x190/0x190
[ 288.331810][ T28] process_one_work+0x9bf/0x1820
[ 288.336803][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 288.367310][ T28] ? rcu_read_lock_sched_held+0x3e/0x70
[ 288.372947][ T28] ? spin_bug+0x1c0/0x1c0
[ 288.407261][ T28] ? lock_acquire+0x32/0xc0
[ 288.411835][ T28] ? worker_thread+0x16d/0x1090
[ 288.416730][ T28] worker_thread+0x669/0x1090
[ 288.467265][ T28] ? __kthread_parkme+0x163/0x220
[ 288.472363][ T28] ? process_one_work+0x1820/0x1820
[ 288.517324][ T28] kthread+0x2e8/0x3a0
[ 288.521447][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 288.527119][ T28] ret_from_fork+0x1f/0x30
[ 288.557268][ T28] </TASK>
[ 288.560378][ T28] INFO: task kworker/u4:3:46 blocked for more than 145 seconds.
[ 288.587252][ T28] Not tainted 6.2.0-rc7-next-20230208-syzkaller #0
[ 288.594310][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 288.657246][ T28] task:kworker/u4:3 state:D stack:26920 pid:46 ppid:2 flags:0x00004000
[ 288.666681][ T28] Workqueue: writeback wb_workfn (flush-7:0)
[ 288.697288][ T28] Call Trace:
[ 288.700605][ T28] <TASK>
[ 288.703570][ T28] __schedule+0x245a/0x5a60
[ 288.727327][ T28] ? blk_mq_flush_plug_list+0x3b8/0xe10
[ 288.732937][ T28] ? io_schedule_timeout+0x150/0x150
[ 288.767251][ T28] ? blk_mq_insert_requests+0x310/0x310
[ 288.772856][ T28] ? __mutex_lock+0xa36/0x1350
[ 288.807276][ T28] schedule+0xde/0x1a0
[ 288.811417][ T28] schedule_preempt_disabled+0x13/0x20
[ 288.816907][ T28] __mutex_lock+0xa3b/0x1350
[ 288.847357][ T28] ? exfat_write_inode+0x6e/0x140
[ 288.852455][ T28] ? mutex_lock_io_nested+0x11a0/0x11a0
[ 288.877341][ T28] ? do_raw_spin_lock+0x124/0x2b0
[ 288.882428][ T28] exfat_write_inode+0x6e/0x140
[ 288.907345][ T28] __writeback_single_inode+0xd38/0x14d0
[ 288.913046][ T28] writeback_sb_inodes+0x54d/0xfa0
[ 288.957338][ T28] ? trylock_super+0x21/0x110
[ 288.962069][ T28] ? lock_acquire+0x32/0xc0
[ 288.966606][ T28] ? sync_inode_metadata+0xe0/0xe0
[ 288.997371][ T28] __writeback_inodes_wb+0xc6/0x280
[ 289.002656][ T28] wb_writeback+0x8d6/0xdd0
[ 289.027278][ T28] ? __writeback_inodes_wb+0x280/0x280
[ 289.032811][ T28] ? get_nr_dirty_inodes+0x11e/0x1b0
[ 289.067277][ T28] wb_workfn+0x86e/0xdc0
[ 289.071597][ T28] ? inode_wait_for_writeback+0x40/0x40
[ 289.077195][ T28] ? lock_sync+0x190/0x190
[ 289.121709][ T28] process_one_work+0x9bf/0x1820
[ 289.126703][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 289.157384][ T28] ? rcu_read_lock_sched_held+0x3e/0x70
[ 289.162989][ T28] ? spin_bug+0x1c0/0x1c0
[ 289.187327][ T28] ? lock_acquire+0x32/0xc0
[ 289.191873][ T28] ? worker_thread+0x16d/0x1090
[ 289.196765][ T28] worker_thread+0x669/0x1090
[ 289.227287][ T28] ? process_one_work+0x1820/0x1820
[ 289.232561][ T28] kthread+0x2e8/0x3a0
[ 289.236659][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 289.297312][ T28] ret_from_fork+0x1f/0x30
[ 289.301827][ T28] </TASK>
[ 289.307978][ T28] INFO: task kworker/u4:4:75 blocked for more than 146 seconds.
[ 289.315634][ T28] Not tainted 6.2.0-rc7-next-20230208-syzkaller #0
[ 289.367277][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 289.375995][ T28] task:kworker/u4:4 state:D stack:25576 pid:75 ppid:2 flags:0x00004000
[ 289.407289][ T28] Workqueue: writeback wb_workfn (flush-7:2)
[ 289.413358][ T28] Call Trace:
[ 289.416652][ T28] <TASK>
[ 289.477256][ T28] __schedule+0x245a/0x5a60
[ 289.482984][ T28] ? io_schedule_timeout+0x150/0x150
[ 289.507286][ T28] ? blk_mq_insert_requests+0x310/0x310
[ 289.512897][ T28] ? __mutex_lock+0xa36/0x1350
[ 289.537305][ T28] schedule+0xde/0x1a0
[ 289.541431][ T28] schedule_preempt_disabled+0x13/0x20
[ 289.546929][ T28] __mutex_lock+0xa3b/0x1350
[ 289.577262][ T28] ? exfat_write_inode+0x6e/0x140
[ 289.582352][ T28] ? mutex_lock_io_nested+0x11a0/0x11a0
[ 289.617319][ T28] ? do_raw_spin_lock+0x124/0x2b0
[ 289.622411][ T28] exfat_write_inode+0x6e/0x140
[ 289.657270][ T28] __writeback_single_inode+0xd38/0x14d0
[ 289.662970][ T28] writeback_sb_inodes+0x54d/0xfa0
[ 289.697269][ T28] ? trylock_super+0x21/0x110
[ 289.702001][ T28] ? lock_acquire+0x32/0xc0
[ 289.706538][ T28] ? sync_inode_metadata+0xe0/0xe0
[ 289.747283][ T28] __writeback_inodes_wb+0xc6/0x280
[ 289.752550][ T28] wb_writeback+0x8d6/0xdd0
[ 289.757098][ T28] ? __writeback_inodes_wb+0x280/0x280
[ 289.797260][ T28] ? get_nr_dirty_inodes+0x11e/0x1b0
[ 289.802615][ T28] wb_workfn+0x86e/0xdc0
[ 289.806906][ T28] ? inode_wait_for_writeback+0x40/0x40
[ 289.877264][ T28] ? lock_sync+0x190/0x190
[ 289.881759][ T28] process_one_work+0x9bf/0x1820
[ 289.886747][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 289.927250][ T28] ? rcu_read_lock_sched_held+0x3e/0x70
[ 289.932855][ T28] ? spin_bug+0x1c0/0x1c0
[ 289.957276][ T28] ? lock_acquire+0x32/0xc0
[ 289.961821][ T28] ? worker_thread+0x16d/0x1090
[ 289.966716][ T28] worker_thread+0x669/0x1090
[ 290.007272][ T28] ? __kthread_parkme+0x163/0x220
[ 290.012359][ T28] ? process_one_work+0x1820/0x1820
[ 290.057259][ T28] kthread+0x2e8/0x3a0
[ 290.061378][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 290.067050][ T28] ret_from_fork+0x1f/0x30
[ 290.107273][ T28] </TASK>
[ 290.110424][ T28] INFO: task kworker/u4:6:2422 blocked for more than 147 seconds.
[ 290.137269][ T28] Not tainted 6.2.0-rc7-next-20230208-syzkaller #0
[ 290.144315][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 290.187261][ T28] task:kworker/u4:6 state:D stack:26528 pid:2422 ppid:2 flags:0x00004000
[ 290.196514][ T28] Workqueue: writeback wb_workfn (flush-7:5)
[ 290.267247][ T28] Call Trace:
[ 290.270565][ T28] <TASK>
[ 290.273521][ T28] __schedule+0x245a/0x5a60
[ 290.307297][ T28] ? blk_mq_flush_plug_list+0x3b8/0xe10
[ 290.312921][ T28] ? io_schedule_timeout+0x150/0x150
[ 290.337286][ T28] ? blk_mq_insert_requests+0x310/0x310
[ 290.342887][ T28] ? __mutex_lock+0xa36/0x1350
[ 290.367310][ T28] schedule+0xde/0x1a0
[ 290.371434][ T28] schedule_preempt_disabled+0x13/0x20
[ 290.376920][ T28] __mutex_lock+0xa3b/0x1350
[ 290.407254][ T28] ? exfat_write_inode+0x6e/0x140
[ 290.412333][ T28] ? mutex_lock_io_nested+0x11a0/0x11a0
[ 290.447335][ T28] ? do_raw_spin_lock+0x124/0x2b0
[ 290.452457][ T28] exfat_write_inode+0x6e/0x140
[ 290.497251][ T28] __writeback_single_inode+0xd38/0x14d0
[ 290.502955][ T28] writeback_sb_inodes+0x54d/0xfa0
[ 290.527260][ T28] ? trylock_super+0x21/0x110
[ 290.531980][ T28] ? lock_acquire+0x32/0xc0
[ 290.536515][ T28] ? sync_inode_metadata+0xe0/0xe0
[ 290.567352][ T28] __writeback_inodes_wb+0xc6/0x280
[ 290.572621][ T28] wb_writeback+0x8d6/0xdd0
[ 290.577169][ T28] ? __writeback_inodes_wb+0x280/0x280
[ 290.612739][ T28] ? get_nr_dirty_inodes+0x11e/0x1b0
[ 290.637347][ T28] wb_workfn+0x86e/0xdc0
[ 290.641653][ T28] ? inode_wait_for_writeback+0x40/0x40
[ 290.667567][ T28] ? lock_sync+0x190/0x190
[ 290.672050][ T28] process_one_work+0x9bf/0x1820
[ 290.677040][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 290.717245][ T28] ? rcu_read_lock_sched_held+0x3e/0x70
[ 290.722844][ T28] ? spin_bug+0x1c0/0x1c0
[ 290.757257][ T28] ? lock_acquire+0x32/0xc0
[ 290.761812][ T28] ? worker_thread+0x16d/0x1090
[ 290.766713][ T28] worker_thread+0x669/0x1090
[ 290.797343][ T28] ? __kthread_parkme+0x163/0x220
[ 290.802426][ T28] ? process_one_work+0x1820/0x1820
[ 290.827317][ T28] kthread+0x2e8/0x3a0
[ 290.831436][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 290.837104][ T28] ret_from_fork+0x1f/0x30
[ 290.877359][ T28] </TASK>
[ 290.897316][ T28]
[ 290.897316][ T28] Showing all locks held in the system:
[ 290.905058][ T28] 4 locks held by kworker/u4:0/10:
[ 290.947243][ T28] #0: ffff8881451fc938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x86d/0x1820
[ 290.997266][ T28] #1: ffffc900000f7da8 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1820
[ 291.047252][ T28] #2: ffff8880223820e0 (&type->s_umount_key#42){.+.+}-{3:3}, at: trylock_super+0x21/0x110
[ 291.077256][ T28] #3: ffff8880239d60e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x6e/0x140
[ 291.086847][ T28] 4 locks held by kworker/u4:1/12:
[ 291.117252][ T28] #0: ffff8881451fc938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x86d/0x1820
[ 291.147265][ T28] #1: ffffc90000117da8 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1820
[ 291.187279][ T28] #2: ffff8880786100e0 (&type->s_umount_key#42){.+.+}-{3:3}, at: trylock_super+0x21/0x110
[ 291.227251][ T28] #3: ffff8880219f00e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x6e/0x140
[ 291.236831][ T28] 1 lock held by rcu_tasks_kthre/13:
[ 291.277268][ T28] #0: ffffffff8c794230 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80
[ 291.317252][ T28] 1 lock held by rcu_tasks_trace/14:
[ 291.322571][ T28] #0: ffffffff8c793f30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80
[ 291.367314][ T28] 1 lock held by khungtaskd/28:
[ 291.372200][ T28] #0: ffffffff8c794e00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x390
[ 291.417257][ T28] 4 locks held by kworker/u4:2/41:
[ 291.422404][ T28] #0: ffff8881451fc938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x86d/0x1820
[ 291.467295][ T28] #1: ffffc90000b27da8 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1820
[ 291.517262][ T28] #2: ffff88802241c0e0 (&type->s_umount_key#42){.+.+}-{3:3}, at: trylock_super+0x21/0x110
[ 291.557251][ T28] #3: ffff88807abce0e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x6e/0x140
[ 291.566828][ T28] 4 locks held by kworker/u4:3/46:
[ 291.607264][ T28] #0: ffff8881451fc938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x86d/0x1820
[ 291.637426][ T28] #1: ffffc90000b77da8 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1820
[ 291.677251][ T28] #2: ffff8880276bc0e0 (&type->s_umount_key#42){.+.+}-{3:3}, at: trylock_super+0x21/0x110
[ 291.717251][ T28] #3: ffff88802185a0e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x6e/0x140
[ 291.726824][ T28] 4 locks held by kworker/u4:4/75:
[ 291.767251][ T28] #0: ffff8881451fc938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x86d/0x1820
[ 291.797268][ T28] #1: ffffc900020cfda8 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1820
[ 291.837250][ T28] #2: ffff88807d8a80e0 (&type->s_umount_key#42){.+.+}-{3:3}, at: trylock_super+0x21/0x110
[ 291.877266][ T28] #3: ffff888021f260e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x6e/0x140
[ 291.886864][ T28] 4 locks held by kworker/u4:6/2422:
[ 291.927251][ T28] #0: ffff8881451fc938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x86d/0x1820
[ 291.967250][ T28] #1: ffffc9000bf3fda8 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1820
[ 292.007256][ T28] #2: ffff8880223840e0 (&type->s_umount_key#42){.+.+}-{3:3}, at: trylock_super+0x21/0x110
[ 292.037253][ T28] #3: ffff8880223800e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x6e/0x140
[ 292.046839][ T28] 2 locks held by getty/4758:
[ 292.087265][ T28] #0: ffff88802bccc098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80
[ 292.097156][ T28] #1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0
[ 292.177254][ T28] 6 locks held by syz-executor214/5085:
[ 292.182829][ T28] 6 locks held by syz-executor214/5087:
[ 292.217254][ T28] 6 locks held by syz-executor214/5088:
[ 292.222835][ T28] 6 locks held by syz-executor214/5089:
[ 292.267250][ T28] 6 locks held by syz-executor214/5090:
[ 292.272830][ T28] 6 locks held by syz-executor214/5091:
[ 292.317259][ T28]
[ 292.319614][ T28] =============================================
[ 292.319614][ T28]
[ 292.347298][ T28] NMI backtrace for cpu 1
[ 292.351647][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc7-next-20230208-syzkaller #0
[ 292.360947][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
[ 292.371015][ T28] Call Trace:
[ 292.374302][ T28] <TASK>
[ 292.377247][ T28] dump_stack_lvl+0xd9/0x150
[ 292.381930][ T28] nmi_cpu_backtrace+0x316/0x3e0
[ 292.386896][ T28] nmi_trigger_cpumask_backtrace+0x3a7/0x460
[ 292.392900][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0
[ 292.398157][ T28] watchdog+0xe94/0x11e0
[ 292.402448][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 292.408456][ T28] kthread+0x2e8/0x3a0
[ 292.412546][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 292.418209][ T28] ret_from_fork+0x1f/0x30
[ 292.422685][ T28] </TASK>
[ 292.425826][ T28] Sending NMI from CPU 1 to CPUs 0:
[ 292.431077][ C0] NMI backtrace for cpu 0
[ 292.431086][ C0] CPU: 0 PID: 5089 Comm: syz-executor214 Not tainted 6.2.0-rc7-next-20230208-syzkaller #0
[ 292.431105][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
[ 292.431115][ C0] RIP: 0010:exfat_clear_bitmap+0x0/0x580
[ 292.431146][ C0] Code: fe ff ff e8 62 7c 89 ff e9 d1 fd ff ff e8 58 7c 89 ff e9 a1 fd ff ff e9 8d 71 c1 07 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <66> 0f 1f 00 41 57 41 56 41 89 d6 41 55 41 54 55 48 89 fd 53 89 f3
[ 292.431162][ C0] RSP: 0018:ffffc90003c3f9b8 EFLAGS: 00000202
[ 292.431176][ C0] RAX: 0000000000000000 RBX: 000000000002c360 RCX: 0000000000000000
[ 292.431187][ C0] RDX: 0000000000000000 RSI: 000000002c360bac RDI: ffff888076513be0
[ 292.431199][ C0] RBP: 000000002c360bad R08: 0000000000000004 R09: 000000000002c360
[ 292.431209][ C0] R10: 000000000002c360 R11: 0000000000000000 R12: ffff888076513be0
[ 292.431221][ C0] R13: 000000000002c360 R14: 0000000000000009 R15: 000000002c360ba6
[ 292.431231][ C0] FS: 00005555570ff300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 292.431250][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 292.431262][ C0] CR2: 000056405daf1000 CR3: 0000000072ce1000 CR4: 00000000003506f0
[ 292.431274][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 292.431284][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 292.431295][ C0] Call Trace:
[ 292.431299][ C0] <TASK>
[ 292.431304][ C0] __exfat_free_cluster+0x751/0x970
[ 292.431333][ C0] ? exfat_ent_get+0x4a0/0x4a0
[ 292.431359][ C0] ? exfat_cache_inval_inode+0x215/0x320
[ 292.431385][ C0] exfat_free_cluster+0x7a/0x100
[ 292.431410][ C0] __exfat_truncate+0x621/0x7b0
[ 292.431437][ C0] ? exfat_file_fsync+0x1a0/0x1a0
[ 292.431462][ C0] ? group_init+0x6b0/0x6b0
[ 292.431482][ C0] ? lock_acquire+0x32/0xc0
[ 292.431501][ C0] ? inode_wait_for_writeback+0x1e/0x40
[ 292.431529][ C0] exfat_evict_inode+0x263/0x340
[ 292.431551][ C0] ? exfat_build_inode+0x1380/0x1380
[ 292.431573][ C0] evict+0x2ed/0x6b0
[ 292.431595][ C0] iput+0x52b/0x8e0
[ 292.431617][ C0] dentry_unlink_inode+0x2b1/0x460
[ 292.431635][ C0] __dentry_kill+0x3c0/0x640
[ 292.431653][ C0] ? dput+0x39/0xe10
[ 292.431669][ C0] dput+0x6ac/0xe10
[ 292.431688][ C0] do_renameat2+0xb72/0xc90
[ 292.431747][ C0] ? __ia32_sys_link+0xa0/0xa0
[ 292.431772][ C0] ? trace_lock_acquire+0x1f1/0x2b0
[ 292.431792][ C0] ? __virt_addr_valid+0x61/0x2e0
[ 292.431824][ C0] ? __phys_addr_symbol+0x30/0x70
[ 292.431851][ C0] ? strncpy_from_user+0x28b/0x3c0
[ 292.431902][ C0] __x64_sys_rename+0x81/0xa0
[ 292.431924][ C0] do_syscall_64+0x39/0xb0
[ 292.431972][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 292.432009][ C0] RIP: 0033:0x7fd201137a89
[ 292.432023][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 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 c0 ff ff ff f7 d8 64 89 01 48
[ 292.432039][ C0] RSP: 002b:00007ffecb499578 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 292.432055][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd201137a89
[ 292.432066][ C0] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000040
[ 292.432077][ C0] RBP: 0000000000000000 R08: 00007ffecb4995a0 R09: 00007ffecb4995a0
[ 292.432088][ C0] R10: 00007ffecb499450 R11: 0000000000000246 R12: 00007fd2010f68a0
[ 292.432099][ C0] R13: 00007ffecb4995d0 R14: 00007ffecb4995b0 R15: 0000000000000000
[ 292.432116][ C0] </TASK>
[ 292.432122][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.044 msecs
[ 293.227277][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 293.234163][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc7-next-20230208-syzkaller #0
[ 293.243467][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
[ 293.253533][ T28] Call Trace:
[ 293.256823][ T28] <TASK>
[ 293.259765][ T28] dump_stack_lvl+0xd9/0x150
[ 293.264389][ T28] panic+0x61b/0x6c0
[ 293.268363][ T28] ? panic_smp_self_stop+0x90/0x90
[ 293.273508][ T28] ? preempt_schedule_thunk+0x1a/0x20
[ 293.278919][ T28] ? watchdog+0xc20/0x11e0
[ 293.283368][ T28] watchdog+0xc31/0x11e0
[ 293.287637][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 293.293648][ T28] kthread+0x2e8/0x3a0
[ 293.297741][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 293.303402][ T28] ret_from_fork+0x1f/0x30
[ 293.307870][ T28] </TASK>
[ 293.311113][ T28] Kernel Offset: disabled
[ 293.315439][ T28] Rebooting in 86400 seconds..