./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor686363928

<...>
Warning: Permanently added '10.128.0.183' (ED25519) to the list of known hosts.
execve("./syz-executor686363928", ["./syz-executor686363928"], 0x7ffcb7dc3200 /* 10 vars */) = 0
brk(NULL)                               = 0x55555745e000
brk(0x55555745ed00)                     = 0x55555745ed00
arch_prctl(ARCH_SET_FS, 0x55555745e380) = 0
set_tid_address(0x55555745e650)         = 5054
set_robust_list(0x55555745e660, 24)     = 0
rseq(0x55555745eca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor686363928", 4096) = 27
getrandom("\x3b\x6b\x3c\xa2\xdf\x4c\x8b\x8e", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55555745ed00
brk(0x55555747fd00)                     = 0x55555747fd00
brk(0x555557480000)                     = 0x555557480000
mprotect(0x7f8956ed6000, 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 5055 attached
 <unfinished ...>
[pid  5055] set_robust_list(0x55555745e660, 24 <unfinished ...>
[pid  5054] <... clone resumed>, child_tidptr=0x55555745e650) = 5055
[pid  5055] <... set_robust_list resumed>) = 0
[pid  5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5056 attached
 <unfinished ...>
[pid  5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5056] set_robust_list(0x55555745e660, 24 <unfinished ...>
[pid  5055] <... clone resumed>, child_tidptr=0x55555745e650) = 5056
[pid  5056] <... set_robust_list resumed>) = 0
[pid  5056] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5057 attached
) = 0
[pid  5057] set_robust_list(0x55555745e660, 24 <unfinished ...>
[pid  5056] setpgid(0, 0 <unfinished ...>
[pid  5057] <... set_robust_list resumed>) = 0
[pid  5056] <... setpgid resumed>)      = 0
[pid  5054] <... clone resumed>, child_tidptr=0x55555745e650) = 5057
[pid  5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5054] <... clone resumed>, child_tidptr=0x55555745e650) = 5058
./strace-static-x86_64: Process 5059 attached
./strace-static-x86_64: Process 5058 attached
[pid  5057] <... clone resumed>, child_tidptr=0x55555745e650) = 5059
[pid  5056] <... openat resumed>)       = 3
[pid  5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5059] set_robust_list(0x55555745e660, 24 <unfinished ...>
[pid  5058] set_robust_list(0x55555745e660, 24 <unfinished ...>
[pid  5056] write(3, "1000", 4)         = 4
[pid  5056] close(3)                    = 0
[pid  5056] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME|O_CLOEXEC./strace-static-x86_64: Process 5060 attached
 <unfinished ...>
[pid  5059] <... set_robust_list resumed>) = 0
[pid  5058] <... set_robust_list resumed>) = 0
[pid  5059] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5054] <... clone resumed>, child_tidptr=0x55555745e650) = 5060
[pid  5060] set_robust_list(0x55555745e660, 24 <unfinished ...>
[pid  5059] <... prctl resumed>)        = 0
[pid  5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5056] <... openat resumed>)       = 3
[pid  5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5060] <... set_robust_list resumed>) = 0
[pid  5059] setpgid(0, 0 <unfinished ...>
[pid  5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5059] <... setpgid resumed>)      = 0
[pid  5056] ioctl(3, BLKZEROOUT, [0, 137438955520]./strace-static-x86_64: Process 5061 attached
 <unfinished ...>
[pid  5061] set_robust_list(0x55555745e660, 24 <unfinished ...>
[pid  5059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5062 attached
 <unfinished ...>
[pid  5061] <... set_robust_list resumed>) = 0
./strace-static-x86_64: Process 5063 attached
[pid  5054] <... clone resumed>, child_tidptr=0x55555745e650) = 5062
[pid  5062] set_robust_list(0x55555745e660, 24 <unfinished ...>
[pid  5061] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5060] <... clone resumed>, child_tidptr=0x55555745e650) = 5063
[pid  5059] <... openat resumed>)       = 3
[pid  5058] <... clone resumed>, child_tidptr=0x55555745e650) = 5061
[pid  5063] set_robust_list(0x55555745e660, 24 <unfinished ...>
[pid  5062] <... set_robust_list resumed>) = 0
[pid  5061] <... prctl resumed>)        = 0
[pid  5059] write(3, "1000", 4 <unfinished ...>
[pid  5054] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5063] <... set_robust_list resumed>) = 0
[pid  5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5061] setpgid(0, 0 <unfinished ...>
[pid  5059] <... write resumed>)        = 4
[pid  5063] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5061] <... setpgid resumed>)      = 0
./strace-static-x86_64: Process 5065 attached
./strace-static-x86_64: Process 5064 attached
[pid  5063] <... prctl resumed>)        = 0
[pid  5061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5059] close(3)                    = 0
[pid  5054] <... clone resumed>, child_tidptr=0x55555745e650) = 5065
[pid  5065] set_robust_list(0x55555745e660, 24 <unfinished ...>
[pid  5064] set_robust_list(0x55555745e660, 24 <unfinished ...>
[pid  5063] setpgid(0, 0 <unfinished ...>
[pid  5062] <... clone resumed>, child_tidptr=0x55555745e650) = 5064
[pid  5059] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME|O_CLOEXEC <unfinished ...>
[pid  5065] <... set_robust_list resumed>) = 0
[pid  5064] <... set_robust_list resumed>) = 0
[pid  5063] <... setpgid resumed>)      = 0
[pid  5061] <... openat resumed>)       = 3
[pid  5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5064] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5061] write(3, "1000", 4 <unfinished ...>
[pid  5059] <... openat resumed>)       = 3
[pid  5064] <... prctl resumed>)        = 0
[pid  5063] <... openat resumed>)       = 3
[pid  5059] ioctl(3, BLKZEROOUT, [0, 137438955520] <unfinished ...>
[pid  5064] setpgid(0, 0 <unfinished ...>
[pid  5063] write(3, "1000", 4 <unfinished ...>
[pid  5061] <... write resumed>)        = 4
[pid  5064] <... setpgid resumed>)      = 0
[pid  5063] <... write resumed>)        = 4
[pid  5061] close(3 <unfinished ...>
[pid  5063] close(3./strace-static-x86_64: Process 5066 attached
 <unfinished ...>
[pid  5065] <... clone resumed>, child_tidptr=0x55555745e650) = 5066
[pid  5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5061] <... close resumed>)        = 0
[pid  5066] set_robust_list(0x55555745e660, 24 <unfinished ...>
[pid  5064] <... openat resumed>)       = 3
[pid  5063] <... close resumed>)        = 0
[pid  5061] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME|O_CLOEXEC <unfinished ...>
[pid  5066] <... set_robust_list resumed>) = 0
[pid  5063] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME|O_CLOEXEC <unfinished ...>
[pid  5061] <... openat resumed>)       = 3
[pid  5066] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5064] write(3, "1000", 4 <unfinished ...>
[pid  5066] <... prctl resumed>)        = 0
[pid  5064] <... write resumed>)        = 4
[pid  5063] <... openat resumed>)       = 3
[pid  5061] ioctl(3, BLKZEROOUT, [0, 137438955520] <unfinished ...>
[pid  5066] setpgid(0, 0 <unfinished ...>
[pid  5064] close(3 <unfinished ...>
[pid  5063] ioctl(3, BLKZEROOUT, [0, 137438955520] <unfinished ...>
[pid  5066] <... setpgid resumed>)      = 0
[pid  5064] <... close resumed>)        = 0
[pid  5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5064] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME|O_CLOEXEC) = 3
[pid  5066] <... openat resumed>)       = 3
[pid  5064] ioctl(3, BLKZEROOUT, [0, 137438955520] <unfinished ...>
[pid  5066] write(3, "1000", 4)         = 4
[pid  5066] close(3)                    = 0
[pid  5066] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME|O_CLOEXEC) = 3
[pid  5066] ioctl(3, BLKZEROOUT, [0, 137438955520] <unfinished ...>
[pid  5055] kill(-5056, SIGKILL)        = 0
[pid  5055] kill(5056, SIGKILL)         = 0
[pid  5057] kill(-5059, SIGKILL)        = 0
[pid  5057] kill(5059, SIGKILL)         = 0
[pid  5062] kill(-5064, SIGKILL <unfinished ...>
[pid  5060] kill(-5063, SIGKILL <unfinished ...>
[pid  5062] <... kill resumed>)         = 0
[pid  5060] <... kill resumed>)         = 0
[pid  5062] kill(5064, SIGKILL <unfinished ...>
[pid  5060] kill(5063, SIGKILL <unfinished ...>
[pid  5062] <... kill resumed>)         = 0
[pid  5060] <... kill resumed>)         = 0
[pid  5058] kill(-5061, SIGKILL)        = 0
[pid  5058] kill(5061, SIGKILL)         = 0
[pid  5065] kill(-5066, SIGKILL)        = 0
[pid  5065] kill(5066, SIGKILL)         = 0
[pid  5055] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5062] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5055] newfstatat(3, "",  <unfinished ...>
[pid  5062] <... openat resumed>)       = 3
[pid  5055] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5055] getdents64(3,  <unfinished ...>
[pid  5062] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5058] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5055] <... getdents64 resumed>0x55555745f6f0 /* 2 entries */, 32768) = 48
[pid  5062] getdents64(3,  <unfinished ...>
[pid  5058] <... openat resumed>)       = 3
[pid  5058] newfstatat(3, "",  <unfinished ...>
[pid  5062] <... getdents64 resumed>0x55555745f6f0 /* 2 entries */, 32768) = 48
[pid  5058] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5062] getdents64(3,  <unfinished ...>
[pid  5058] getdents64(3,  <unfinished ...>
[pid  5055] getdents64(3,  <unfinished ...>
[pid  5062] <... getdents64 resumed>0x55555745f6f0 /* 0 entries */, 32768) = 0
[pid  5060] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5058] <... getdents64 resumed>0x55555745f6f0 /* 2 entries */, 32768) = 48
[pid  5055] <... getdents64 resumed>0x55555745f6f0 /* 0 entries */, 32768) = 0
[pid  5062] close(3 <unfinished ...>
[pid  5060] <... openat resumed>)       = 3
[pid  5058] getdents64(3,  <unfinished ...>
[pid  5062] <... close resumed>)        = 0
[pid  5060] newfstatat(3, "",  <unfinished ...>
[pid  5058] <... getdents64 resumed>0x55555745f6f0 /* 0 entries */, 32768) = 0
[pid  5057] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5055] close(3 <unfinished ...>
[pid  5060] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5058] close(3 <unfinished ...>
[pid  5057] <... openat resumed>)       = 3
[pid  5055] <... close resumed>)        = 0
[pid  5060] getdents64(3,  <unfinished ...>
[pid  5058] <... close resumed>)        = 0
[pid  5065] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid  5060] <... getdents64 resumed>0x55555745f6f0 /* 2 entries */, 32768) = 48
[pid  5057] newfstatat(3, "",  <unfinished ...>
[pid  5065] <... openat resumed>)       = 3
[pid  5060] getdents64(3, 0x55555745f6f0 /* 0 entries */, 32768) = 0
[pid  5057] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5065] newfstatat(3, "",  <unfinished ...>
[pid  5060] close(3 <unfinished ...>
[pid  5057] getdents64(3,  <unfinished ...>
[pid  5065] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5060] <... close resumed>)        = 0
[pid  5065] getdents64(3,  <unfinished ...>
[pid  5057] <... getdents64 resumed>0x55555745f6f0 /* 2 entries */, 32768) = 48
[pid  5057] getdents64(3, 0x55555745f6f0 /* 0 entries */, 32768) = 0
[pid  5057] close(3 <unfinished ...>
[pid  5065] <... getdents64 resumed>0x55555745f6f0 /* 2 entries */, 32768) = 48
[pid  5057] <... close resumed>)        = 0
[pid  5065] getdents64(3, 0x55555745f6f0 /* 0 entries */, 32768) = 0
[pid  5065] close(3)                    = 0
[   76.150830][  T778] cfg80211: failed to load regulatory.db
[pid  5056] <... ioctl resumed>)        = ?
[pid  5056] +++ killed by SIGKILL +++
[pid  5055] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5056, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2872 /* 28.72 s */} ---
[pid  5055] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5069 attached
 <unfinished ...>
[pid  5069] set_robust_list(0x55555745e660, 24 <unfinished ...>
[pid  5055] <... clone resumed>, child_tidptr=0x55555745e650) = 5069
[pid  5069] <... set_robust_list resumed>) = 0
[pid  5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5069] setpgid(0, 0)               = 0
[pid  5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5069] write(3, "1000", 4)         = 4
[pid  5069] close(3)                    = 0
[pid  5069] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME|O_CLOEXEC) = 3
[pid  5069] ioctl(3, BLKZEROOUT, [0, 137438955520] <unfinished ...>
[pid  5055] kill(-5069, SIGKILL)        = 0
[pid  5055] kill(5069, SIGKILL)         = 0
[pid  5055] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5055] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5055] getdents64(3, 0x55555745f6f0 /* 2 entries */, 32768) = 48
[pid  5055] getdents64(3, 0x55555745f6f0 /* 0 entries */, 32768) = 0
[pid  5055] close(3)                    = 0
[pid  5059] <... ioctl resumed>)        = ?
[pid  5059] +++ killed by SIGKILL +++
[pid  5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5059, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2833 /* 28.33 s */} ---
[pid  5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5080 attached
 <unfinished ...>
[pid  5080] set_robust_list(0x55555745e660, 24 <unfinished ...>
[pid  5057] <... clone resumed>, child_tidptr=0x55555745e650) = 5080
[pid  5080] <... set_robust_list resumed>) = 0
[pid  5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5080] setpgid(0, 0)               = 0
[pid  5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5080] write(3, "1000", 4)         = 4
[pid  5080] close(3)                    = 0
[pid  5080] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME|O_CLOEXEC) = 3
[pid  5080] ioctl(3, BLKZEROOUT, [0, 137438955520] <unfinished ...>
[pid  5057] kill(-5080, SIGKILL)        = 0
[pid  5057] kill(5080, SIGKILL)         = 0
[pid  5057] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5057] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5057] getdents64(3, 0x55555745f6f0 /* 2 entries */, 32768) = 48
[pid  5057] getdents64(3, 0x55555745f6f0 /* 0 entries */, 32768) = 0
[pid  5057] close(3)                    = 0
[pid  5061] <... ioctl resumed>)        = ?
[pid  5061] +++ killed by SIGKILL +++
[pid  5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5061, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2804 /* 28.04 s */} ---
[pid  5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5081 attached
, child_tidptr=0x55555745e650) = 5081
[pid  5081] set_robust_list(0x55555745e660, 24) = 0
[pid  5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5081] setpgid(0, 0)               = 0
[pid  5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5081] write(3, "1000", 4)         = 4
[pid  5081] close(3)                    = 0
[pid  5081] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME|O_CLOEXEC) = 3
[pid  5081] ioctl(3, BLKZEROOUT, [0, 137438955520] <unfinished ...>
[pid  5058] kill(-5081, SIGKILL)        = 0
[pid  5058] kill(5081, SIGKILL)         = 0
[pid  5058] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5058] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5058] getdents64(3, 0x55555745f6f0 /* 2 entries */, 32768) = 48
[pid  5058] getdents64(3, 0x55555745f6f0 /* 0 entries */, 32768) = 0
[pid  5058] close(3)                    = 0
[pid  5063] <... ioctl resumed>)        = ?
[pid  5063] +++ killed by SIGKILL +++
[pid  5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5063, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2839 /* 28.39 s */} ---
[pid  5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5082 attached
, child_tidptr=0x55555745e650) = 5082
[pid  5082] set_robust_list(0x55555745e660, 24) = 0
[pid  5082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5082] setpgid(0, 0)               = 0
[pid  5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5082] write(3, "1000", 4)         = 4
[pid  5082] close(3)                    = 0
[pid  5082] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME|O_CLOEXEC) = 3
[pid  5082] ioctl(3, BLKZEROOUT, [0, 137438955520] <unfinished ...>
[pid  5060] kill(-5082, SIGKILL)        = 0
[pid  5060] kill(5082, SIGKILL)         = 0
[pid  5060] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5060] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5060] getdents64(3, 0x55555745f6f0 /* 2 entries */, 32768) = 48
[pid  5060] getdents64(3, 0x55555745f6f0 /* 0 entries */, 32768) = 0
[pid  5060] close(3)                    = 0
[pid  5064] <... ioctl resumed>)        = ?
[pid  5064] +++ killed by SIGKILL +++
[pid  5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5064, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2914 /* 29.14 s */} ---
[pid  5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5089 attached
 <unfinished ...>
[pid  5089] set_robust_list(0x55555745e660, 24) = 0
[pid  5089] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5062] <... clone resumed>, child_tidptr=0x55555745e650) = 5089
[pid  5089] <... prctl resumed>)        = 0
[pid  5089] setpgid(0, 0)               = 0
[pid  5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5089] write(3, "1000", 4)         = 4
[pid  5089] close(3)                    = 0
[pid  5089] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME|O_CLOEXEC) = 3
[pid  5089] ioctl(3, BLKZEROOUT, [0, 137438955520] <unfinished ...>
[pid  5062] kill(-5089, SIGKILL)        = 0
[pid  5062] kill(5089, SIGKILL)         = 0
[pid  5062] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5062] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5062] getdents64(3, 0x55555745f6f0 /* 2 entries */, 32768) = 48
[pid  5062] getdents64(3, 0x55555745f6f0 /* 0 entries */, 32768) = 0
[pid  5062] close(3)                    = 0
[pid  5066] <... ioctl resumed>)        = ?
[pid  5066] +++ killed by SIGKILL +++
[pid  5065] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5066, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2836 /* 28.36 s */} ---
[pid  5065] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5090 attached
, child_tidptr=0x55555745e650) = 5090
[pid  5090] set_robust_list(0x55555745e660, 24) = 0
[pid  5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5090] setpgid(0, 0)               = 0
[pid  5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5090] write(3, "1000", 4)         = 4
[pid  5090] close(3)                    = 0
[pid  5090] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME|O_CLOEXEC) = 3
[pid  5090] ioctl(3, BLKZEROOUT, [0, 137438955520] <unfinished ...>
[pid  5065] kill(-5090, SIGKILL)        = 0
[pid  5065] kill(5090, SIGKILL)         = 0
[pid  5065] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5065] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5065] getdents64(3, 0x55555745f6f0 /* 2 entries */, 32768) = 48
[pid  5065] getdents64(3, 0x55555745f6f0 /* 0 entries */, 32768) = 0
[pid  5065] close(3)                    = 0
[  286.031587][   T29] INFO: task syz-executor686:5080 blocked for more than 143 seconds.
[  286.040080][   T29]       Not tainted 6.8.0-rc1-syzkaller-00311-g3a5879d495b2 #0
[  286.055971][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  286.064722][   T29] task:syz-executor686 state:D stack:27400 pid:5080  tgid:5080  ppid:5057   flags:0x00004006
[  286.074941][   T29] Call Trace:
[  286.078542][   T29]  <TASK>
[  286.081543][   T29]  __schedule+0xf12/0x5c00
[  286.086305][   T29]  ? lockdep_hardirqs_on_prepare+0x420/0x420
[  286.092644][   T29]  ? hlock_class+0x4e/0x130
[  286.097461][   T29]  ? mark_lock+0xb5/0xc50
[  286.101866][   T29]  ? io_schedule_timeout+0x150/0x150
[  286.107454][   T29]  ? schedule+0x1fc/0x270
[  286.111837][   T29]  ? reacquire_held_locks+0x4c0/0x4c0
[  286.117531][   T29]  ? __down_write_common+0x899/0x1400
[  286.123292][   T29]  schedule+0xe9/0x270
[  286.127663][   T29]  schedule_preempt_disabled+0x13/0x20
[  286.133182][   T29]  __down_write_common+0x948/0x1400
[  286.138411][   T29]  ? up_write+0x510/0x510
[  286.151337][   T29]  ? lock_sync+0x190/0x190
[  286.155821][   T29]  ? preempt_count_sub+0x160/0x160
[  286.161647][   T29]  blkdev_common_ioctl+0x1109/0x1cc0
[  286.167272][   T29]  ? blkdev_pr_preempt+0x2f0/0x2f0
[  286.182318][   T29]  ? find_held_lock+0x2d/0x110
[  286.187145][   T29]  blkdev_ioctl+0x243/0x760
[  286.202179][   T29]  ? blkdev_common_ioctl+0x1cc0/0x1cc0
[  286.208883][   T29]  ? bpf_lsm_file_ioctl+0x9/0x10
[  286.231601][   T29]  ? blkdev_common_ioctl+0x1cc0/0x1cc0
[  286.237119][   T29]  __x64_sys_ioctl+0x18f/0x210
[  286.252524][   T29]  do_syscall_64+0xd3/0x250
[  286.258279][   T29]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  286.265118][   T29] RIP: 0033:0x7f8956e63ae9
[  286.270597][   T29] RSP: 002b:00007ffcb5a45ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  286.285037][   T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8956e63ae9
[  286.298228][   T29] RDX: 0000000020000040 RSI: 000000000000127f RDI: 0000000000000003
[  286.307437][   T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
[  286.316372][   T29] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000dbac
[  286.325668][   T29] R13: 00007ffcb5a45cfc R14: 00007ffcb5a45d10 R15: 00007ffcb5a45d00
[  286.334885][   T29]  </TASK>
[  286.354552][   T29] 
[  286.354552][   T29] Showing all locks held in the system:
[  286.363414][   T29] 1 lock held by kworker/1:0H/24:
[  286.369259][   T29] 1 lock held by khungtaskd/29:
[  286.375418][   T29]  #0: ffffffff8d1acba0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340
[  286.429190][   T29] 2 locks held by syslogd/4490:
[  286.452513][   T29] 2 locks held by klogd/4497:
[  286.457235][   T29] 2 locks held by getty/4805:
[  286.482174][   T29]  #0: ffff88802ea8a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80
[  286.493668][   T29]  #1: ffffc9000311b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc6/0x1490
[  286.504452][   T29] 1 lock held by syz-executor686/5069:
[  286.510203][   T29] 1 lock held by syz-executor686/5080:
[  286.516621][   T29]  #0: ffff88801b49fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1109/0x1cc0
[  286.528465][   T29] 1 lock held by syz-executor686/5081:
[  286.534280][   T29]  #0: ffff88801b49fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1109/0x1cc0
[  286.545465][   T29] 1 lock held by syz-executor686/5082:
[  286.551212][   T29]  #0: ffff88801b49fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1109/0x1cc0
[  286.562881][   T29] 1 lock held by syz-executor686/5089:
[  286.568655][   T29]  #0: ffff88801b49fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1109/0x1cc0
[  286.580357][   T29] 1 lock held by syz-executor686/5090:
[  286.586166][   T29]  #0: ffff88801b49fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_common_ioctl+0x1109/0x1cc0
[  286.597880][   T29] 
[  286.600481][   T29] =============================================
[  286.600481][   T29] 
[  286.608927][   T29] NMI backtrace for cpu 0
[  286.613254][   T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc1-syzkaller-00311-g3a5879d495b2 #0
[  286.623064][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[  286.633132][   T29] Call Trace:
[  286.636418][   T29]  <TASK>
[  286.639353][   T29]  dump_stack_lvl+0xd9/0x1b0
[  286.643956][   T29]  nmi_cpu_backtrace+0x277/0x390
[  286.648906][   T29]  ? lapic_can_unplug_cpu+0xa0/0xa0
[  286.654123][   T29]  nmi_trigger_cpumask_backtrace+0x299/0x300
[  286.660120][   T29]  watchdog+0xf87/0x1210
[  286.664387][   T29]  ? proc_dohung_task_timeout_secs+0x90/0x90
[  286.670380][   T29]  ? lockdep_hardirqs_on+0x7d/0x110
[  286.675594][   T29]  ? __kthread_parkme+0x14b/0x220
[  286.680722][   T29]  ? proc_dohung_task_timeout_secs+0x90/0x90
[  286.686729][   T29]  kthread+0x2c6/0x3a0
[  286.690812][   T29]  ? _raw_spin_unlock_irq+0x23/0x50
[  286.696021][   T29]  ? kthread_complete_and_exit+0x40/0x40
[  286.701667][   T29]  ret_from_fork+0x45/0x80
[  286.706091][   T29]  ? kthread_complete_and_exit+0x40/0x40
[  286.711738][   T29]  ret_from_fork_asm+0x11/0x20
[  286.716530][   T29]  </TASK>
[  286.719928][   T29] Sending NMI from CPU 0 to CPUs 1:
[  286.725361][    C1] NMI backtrace for cpu 1
[  286.725370][    C1] CPU: 1 PID: 4497 Comm: klogd Not tainted 6.8.0-rc1-syzkaller-00311-g3a5879d495b2 #0
[  286.725384][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[  286.725391][    C1] RIP: 0010:lock_release+0x38f/0x690
[  286.725409][    C1] Code: 85 42 02 00 00 0b 05 80 dd 3a 11 0f 84 5a 01 00 00 48 c7 c7 80 b1 cc 8a e8 7e d0 25 09 b8 ff ff ff ff 65 0f c1 05 09 12 9a 7e <83> f8 01 0f 85 c8 01 00 00 9c 58 f6 c4 02 0f 85 b3 01 00 00 48 f7
[  286.725421][    C1] RSP: 0018:ffffc900031c76d0 EFLAGS: 00000057
[  286.725431][    C1] RAX: 0000000000000001 RBX: b56ff67b6f1744f3 RCX: ffffc900031c7720
[  286.725439][    C1] RDX: 1ffff1100f32e156 RSI: ffffffff8accb180 RDI: ffffffff8b2fd380
[  286.725447][    C1] RBP: 1ffff92000638edc R08: 0000000000000000 R09: fffffbfff1e75f02
[  286.725455][    C1] R10: ffffffff8f3af817 R11: 0000000000000001 R12: 0000000000000001
[  286.725462][    C1] R13: 0000000000000002 R14: ffff888079970ab8 R15: ffff888079970000
[  286.725474][    C1] FS:  00007f3f53c41380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[  286.725486][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  286.725495][    C1] CR2: 00005623c74ab680 CR3: 000000002d6d7000 CR4: 0000000000350ef0
[  286.725503][    C1] Call Trace:
[  286.725507][    C1]  <NMI>
[  286.725512][    C1]  ? show_regs+0x8f/0xa0
[  286.725528][    C1]  ? nmi_cpu_backtrace+0x1d4/0x390
[  286.725545][    C1]  ? nmi_cpu_backtrace_handler+0xc/0x10
[  286.725562][    C1]  ? nmi_handle+0x1a6/0x570
[  286.725577][    C1]  ? x86_pmu_event_mapped+0x1c0/0x1c0
[  286.725596][    C1]  ? lock_release+0x38f/0x690
[  286.725607][    C1]  ? default_do_nmi+0x6a/0x160
[  286.725626][    C1]  ? exc_nmi+0x186/0x200
[  286.725644][    C1]  ? end_repeat_nmi+0xf/0x2a
[  286.725662][    C1]  ? lock_release+0x38f/0x690
[  286.725673][    C1]  ? lock_release+0x38f/0x690
[  286.725684][    C1]  ? lock_release+0x38f/0x690
[  286.725695][    C1]  </NMI>
[  286.725698][    C1]  <TASK>
[  286.725701][    C1]  ? kasan_release_object_meta+0x26/0xa0
[  286.725717][    C1]  ? reacquire_held_locks+0x4c0/0x4c0
[  286.725732][    C1]  _raw_write_unlock_irqrestore+0x1a/0x70
[  286.725751][    C1]  kasan_release_object_meta+0x26/0xa0
[  286.725766][    C1]  qlist_free_all+0x44/0x150
[  286.725783][    C1]  kasan_quarantine_reduce+0x18e/0x1d0
[  286.725800][    C1]  __kasan_kmalloc+0x86/0xb0
[  286.725813][    C1]  __kmalloc_node_track_caller+0x219/0x460
[  286.725832][    C1]  ? __alloc_skb+0x12b/0x330
[  286.725846][    C1]  kmalloc_reserve+0xef/0x260
[  286.725865][    C1]  __alloc_skb+0x12b/0x330
[  286.725877][    C1]  ? __napi_build_skb+0x50/0x50
[  286.725889][    C1]  ? __lock_acquire+0x1502/0x3b30
[  286.725903][    C1]  alloc_skb_with_frags+0xe4/0x710
[  286.725919][    C1]  sock_alloc_send_pskb+0x7e4/0x970
[  286.725936][    C1]  ? lock_acquire+0x1ae/0x520
[  286.725949][    C1]  ? sock_wmalloc+0x120/0x120
[  286.725964][    C1]  ? reacquire_held_locks+0x4c0/0x4c0
[  286.725975][    C1]  ? do_raw_spin_lock+0x12e/0x2b0
[  286.725988][    C1]  ? spin_bug+0x1d0/0x1d0
[  286.726001][    C1]  unix_dgram_sendmsg+0x464/0x1ca0
[  286.726021][    C1]  ? aa_sk_perm+0x2f8/0xb40
[  286.726039][    C1]  ? unix_stream_recvmsg+0x1b0/0x1b0
[  286.726056][    C1]  ? aa_af_perm+0x250/0x250
[  286.726073][    C1]  ? bpf_lsm_socket_sendmsg+0x9/0x10
[  286.726091][    C1]  ? unix_stream_recvmsg+0x1b0/0x1b0
[  286.726108][    C1]  __sock_sendmsg+0xd5/0x180
[  286.726127][    C1]  __sys_sendto+0x225/0x310
[  286.726140][    C1]  ? __ia32_sys_getpeername+0xb0/0xb0
[  286.726152][    C1]  ? reacquire_held_locks+0x4c0/0x4c0
[  286.726168][    C1]  ? rcu_is_watching+0x12/0xb0
[  286.726186][    C1]  ? folio_memcg_unlock+0x240/0x240
[  286.726201][    C1]  ? handle_edge_irq+0x40a/0xcf0
[  286.726221][    C1]  __x64_sys_sendto+0xe0/0x1b0
[  286.726233][    C1]  ? do_syscall_64+0x93/0x250
[  286.726254][    C1]  ? lockdep_hardirqs_on+0x7d/0x110
[  286.726266][    C1]  do_syscall_64+0xd3/0x250
[  286.726283][    C1]  entry_SYSCALL_64_after_hwframe+0x63/0x6b
[  286.726299][    C1] RIP: 0033:0x7f3f53da39b5
[  286.726308][    C1] Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83
[  286.726319][    C1] RSP: 002b:00007ffe733cc548 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  286.726330][    C1] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3f53da39b5
[  286.726338][    C1] RDX: 000000000000004f RSI: 0000564ad490ea80 RDI: 0000000000000003
[  286.726345][    C1] RBP: 0000564ad490a910 R08: 0000000000000000 R09: 0000000000000000
[  286.726352][    C1] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013
[  286.726360][    C1] R13: 00007f3f53f31212 R14: 00007ffe733cc648 R15: 0000000000000000
[  286.726372][    C1]  </TASK>
[  286.726377][    C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.016 msecs
[  286.735076][   T29] Kernel panic - not syncing: hung_task: blocked tasks
[  286.735087][   T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc1-syzkaller-00311-g3a5879d495b2 #0
[  286.735105][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[  286.735113][   T29] Call Trace:
[  286.735119][   T29]  <TASK>
[  286.735125][   T29]  dump_stack_lvl+0xd9/0x1b0
[  286.735150][   T29]  panic+0x6dc/0x790
[  286.735173][   T29]  ? panic_smp_self_stop+0xa0/0xa0
[  286.735194][   T29]  ? preempt_schedule_thunk+0x1a/0x30
[  286.735221][   T29]  ? lapic_can_unplug_cpu+0xa0/0xa0
[  286.735244][   T29]  ? preempt_schedule_thunk+0x1a/0x30
[  286.735268][   T29]  ? watchdog+0xd3e/0x1210
[  286.735289][   T29]  ? watchdog+0xd31/0x1210
[  286.735311][   T29]  watchdog+0xd4f/0x1210
[  286.735335][   T29]  ? proc_dohung_task_timeout_secs+0x90/0x90
[  286.735356][   T29]  ? lockdep_hardirqs_on+0x7d/0x110
[  286.735375][   T29]  ? __kthread_parkme+0x14b/0x220
[  286.735395][   T29]  ? proc_dohung_task_timeout_secs+0x90/0x90
[  286.735417][   T29]  kthread+0x2c6/0x3a0
[  286.735435][   T29]  ? _raw_spin_unlock_irq+0x23/0x50
[  286.735456][   T29]  ? kthread_complete_and_exit+0x40/0x40
[  286.735477][   T29]  ret_from_fork+0x45/0x80
[  286.735497][   T29]  ? kthread_complete_and_exit+0x40/0x40
[  286.735518][   T29]  ret_from_fork_asm+0x11/0x20
[  286.735547][   T29]  </TASK>
[  286.735927][   T29] Kernel Offset: disabled
[  287.326692][   T29] Rebooting in 86400 seconds..