./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1229902954 <...> Warning: Permanently added '10.128.10.25' (ED25519) to the list of known hosts. execve("./syz-executor1229902954", ["./syz-executor1229902954"], 0x7ffebc157400 /* 10 vars */) = 0 brk(NULL) = 0x555555b89000 brk(0x555555b89d00) = 0x555555b89d00 arch_prctl(ARCH_SET_FS, 0x555555b89380) = 0 set_tid_address(0x555555b89650) = 5056 set_robust_list(0x555555b89660, 24) = 0 rseq(0x555555b89ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1229902954", 4096) = 28 getrandom("\x15\x59\x85\xd7\xc2\xa3\x57\x1c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555b89d00 brk(0x555555baad00) = 0x555555baad00 brk(0x555555bab000) = 0x555555bab000 mprotect(0x7f1806fa6000, 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 5057 attached , child_tidptr=0x555555b89650) = 5057 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5057] set_robust_list(0x555555b89660, 24) = 0 ./strace-static-x86_64: Process 5058 attached [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] <... clone resumed>, child_tidptr=0x555555b89650) = 5058 [pid 5058] set_robust_list(0x555555b89660, 24 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] <... set_robust_list resumed>) = 0 [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5060 attached ./strace-static-x86_64: Process 5059 attached [pid 5056] <... clone resumed>, child_tidptr=0x555555b89650) = 5060 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5062 attached ./strace-static-x86_64: Process 5061 attached [pid 5060] set_robust_list(0x555555b89660, 24 [pid 5059] set_robust_list(0x555555b89660, 24 [pid 5057] <... clone resumed>, child_tidptr=0x555555b89650) = 5059 [pid 5056] <... clone resumed>, child_tidptr=0x555555b89650) = 5061 [pid 5062] set_robust_list(0x555555b89660, 24 [pid 5061] set_robust_list(0x555555b89660, 24 [pid 5060] <... set_robust_list resumed>) = 0 [pid 5059] <... set_robust_list resumed>) = 0 [pid 5058] <... clone resumed>, child_tidptr=0x555555b89650) = 5062 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] <... set_robust_list resumed>) = 0 [pid 5061] <... set_robust_list resumed>) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5059] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5065 attached ./strace-static-x86_64: Process 5064 attached ./strace-static-x86_64: Process 5063 attached [pid 5062] <... prctl resumed>) = 0 [pid 5059] setpgid(0, 0 [pid 5056] <... clone resumed>, child_tidptr=0x555555b89650) = 5063 [pid 5065] set_robust_list(0x555555b89660, 24 [pid 5064] set_robust_list(0x555555b89660, 24 [pid 5063] set_robust_list(0x555555b89660, 24 [pid 5062] setpgid(0, 0 [pid 5061] <... clone resumed>, child_tidptr=0x555555b89650) = 5065 [pid 5060] <... clone resumed>, child_tidptr=0x555555b89650) = 5064 [pid 5059] <... setpgid resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... set_robust_list resumed>) = 0 [pid 5064] <... set_robust_list resumed>) = 0 [pid 5063] <... set_robust_list resumed>) = 0 [pid 5062] <... setpgid resumed>) = 0 [pid 5059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5059] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5066 attached [pid 5065] <... prctl resumed>) = 0 [pid 5064] <... prctl resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x555555b89650) = 5066 [pid 5066] set_robust_list(0x555555b89660, 24 [pid 5065] setpgid(0, 0 [pid 5064] setpgid(0, 0 [pid 5062] <... openat resumed>) = 3 [pid 5059] write(3, "1000", 4./strace-static-x86_64: Process 5067 attached [pid 5066] <... set_robust_list resumed>) = 0 [pid 5065] <... setpgid resumed>) = 0 [pid 5064] <... setpgid resumed>) = 0 [pid 5063] <... clone resumed>, child_tidptr=0x555555b89650) = 5067 [pid 5059] <... write resumed>) = 4 [pid 5067] set_robust_list(0x555555b89660, 24 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] write(3, "1000", 4 [pid 5059] close(3 [pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5068 attached [pid 5067] <... set_robust_list resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] <... write resumed>) = 4 [pid 5059] <... close resumed>) = 0 [pid 5068] set_robust_list(0x555555b89660, 24 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] <... clone resumed>, child_tidptr=0x555555b89650) = 5068 [pid 5065] <... openat resumed>) = 3 [pid 5062] close(3 [pid 5059] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5068] <... set_robust_list resumed>) = 0 [pid 5067] <... prctl resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5067] setpgid(0, 0 [pid 5065] write(3, "1000", 4 [pid 5064] write(3, "1000", 4 [pid 5062] <... close resumed>) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... setpgid resumed>) = 0 [pid 5065] <... write resumed>) = 4 [pid 5064] <... write resumed>) = 4 [pid 5062] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5064] close(3 [pid 5068] <... prctl resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] close(3 [pid 5064] <... close resumed>) = 0 [pid 5062] <... openat resumed>) = 3 [pid 5068] setpgid(0, 0 [pid 5067] <... openat resumed>) = 3 [pid 5065] <... close resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5062] dup(3 [pid 5059] dup(3 [pid 5068] <... setpgid resumed>) = 0 [pid 5067] write(3, "1000", 4 [pid 5065] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5064] <... openat resumed>) = 3 [pid 5062] <... dup resumed>) = 4 [pid 5059] <... dup resumed>) = 4 [pid 5067] <... write resumed>) = 4 [pid 5065] <... openat resumed>) = 3 [pid 5062] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 9007199271526400 [pid 5059] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 9007199271526400 [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] close(3 [pid 5065] dup(3 [pid 5064] dup(3 [pid 5067] <... close resumed>) = 0 [pid 5065] <... dup resumed>) = 4 [pid 5064] <... dup resumed>) = 4 [pid 5068] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5065] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 9007199271526400 [pid 5064] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 9007199271526400 [pid 5068] write(3, "1000", 4 [pid 5067] <... openat resumed>) = 3 [pid 5068] <... write resumed>) = 4 [pid 5067] dup(3 [pid 5068] close(3 [pid 5067] <... dup resumed>) = 4 [pid 5068] <... close resumed>) = 0 [pid 5067] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 9007199271526400 [pid 5068] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5068] dup(3) = 4 [pid 5068] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 9007199271526400 [pid 5058] kill(-5062, SIGKILL [pid 5057] kill(-5059, SIGKILL [pid 5058] <... kill resumed>) = 0 [pid 5057] <... kill resumed>) = 0 [pid 5058] kill(5062, SIGKILL [pid 5057] kill(5059, SIGKILL [pid 5058] <... kill resumed>) = 0 [pid 5057] <... kill resumed>) = 0 [pid 5061] kill(-5065, SIGKILL [pid 5060] kill(-5064, SIGKILL [pid 5061] <... kill resumed>) = 0 [pid 5060] <... kill resumed>) = 0 [pid 5061] kill(5065, SIGKILL) = 0 [pid 5060] kill(5064, SIGKILL) = 0 [pid 5063] kill(-5067, SIGKILL) = 0 [pid 5063] kill(5067, SIGKILL) = 0 [pid 5066] kill(-5068, SIGKILL) = 0 [pid 5066] kill(5068, SIGKILL) = 0 [pid 5066] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5058] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5060] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... openat resumed>) = 3 [pid 5066] newfstatat(3, "", [pid 5057] <... openat resumed>) = 3 [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5066] getdents64(3, 0x555555b8a6f0 /* 2 entries */, 32768) = 48 [pid 5066] getdents64(3, [pid 5060] <... openat resumed>) = 3 [pid 5057] newfstatat(3, "", [pid 5060] newfstatat(3, "", [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... getdents64 resumed>0x555555b8a6f0 /* 0 entries */, 32768) = 0 [pid 5063] <... openat resumed>) = 3 [pid 5060] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5058] <... openat resumed>) = 3 [pid 5057] getdents64(3, [pid 5066] close(3 [pid 5063] newfstatat(3, "", [pid 5060] getdents64(3, [pid 5057] <... getdents64 resumed>0x555555b8a6f0 /* 2 entries */, 32768) = 48 [pid 5066] <... close resumed>) = 0 [pid 5063] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5060] <... getdents64 resumed>0x555555b8a6f0 /* 2 entries */, 32768) = 48 [pid 5057] getdents64(3, [pid 5063] getdents64(3, [pid 5060] getdents64(3, [pid 5057] <... getdents64 resumed>0x555555b8a6f0 /* 0 entries */, 32768) = 0 [pid 5063] <... getdents64 resumed>0x555555b8a6f0 /* 2 entries */, 32768) = 48 [pid 5060] <... getdents64 resumed>0x555555b8a6f0 /* 0 entries */, 32768) = 0 [pid 5058] newfstatat(3, "", [pid 5057] close(3 [pid 5063] getdents64(3, [pid 5061] <... openat resumed>) = 3 [pid 5060] close(3 [pid 5058] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5057] <... close resumed>) = 0 [pid 5063] <... getdents64 resumed>0x555555b8a6f0 /* 0 entries */, 32768) = 0 [pid 5061] newfstatat(3, "", [pid 5060] <... close resumed>) = 0 [pid 5058] getdents64(3, [pid 5063] close(3) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5058] <... getdents64 resumed>0x555555b8a6f0 /* 2 entries */, 32768) = 48 [pid 5061] getdents64(3, [pid 5058] getdents64(3, 0x555555b8a6f0 /* 0 entries */, 32768) = 0 [pid 5058] close(3) = 0 [pid 5061] <... getdents64 resumed>0x555555b8a6f0 /* 2 entries */, 32768) = 48 [pid 5061] getdents64(3, 0x555555b8a6f0 /* 0 entries */, 32768) = 0 [pid 5061] close(3) = 0 [ 81.943089][ T2928] cfg80211: failed to load regulatory.db [pid 5062] <... fallocate resumed>) = ? [pid 5062] +++ killed by SIGKILL +++ [pid 5058] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5062, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=5188 /* 51.88 s */} --- [pid 5058] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5087 attached , child_tidptr=0x555555b89650) = 5087 [pid 5087] set_robust_list(0x555555b89660, 24) = 0 [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5087] setpgid(0, 0) = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5087] write(3, "1000", 4) = 4 [pid 5087] close(3) = 0 [pid 5087] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5087] dup(3) = 4 [pid 5087] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 9007199271526400 [pid 5058] kill(-5087, SIGKILL) = 0 [pid 5058] kill(5087, 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, 0x555555b8a6f0 /* 2 entries */, 32768) = 48 [pid 5058] getdents64(3, 0x555555b8a6f0 /* 0 entries */, 32768) = 0 [pid 5058] close(3) = 0 [pid 5059] <... fallocate 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=5101 /* 51.01 s */} --- [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5088 attached [pid 5088] set_robust_list(0x555555b89660, 24 [pid 5057] <... clone resumed>, child_tidptr=0x555555b89650) = 5088 [pid 5088] <... set_robust_list resumed>) = 0 [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5088] setpgid(0, 0) = 0 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5088] write(3, "1000", 4) = 4 [pid 5088] close(3) = 0 [pid 5088] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5088] dup(3) = 4 [pid 5088] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 9007199271526400 [pid 5057] kill(-5088, SIGKILL) = 0 [pid 5057] kill(5088, 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, 0x555555b8a6f0 /* 2 entries */, 32768) = 48 [pid 5057] getdents64(3, 0x555555b8a6f0 /* 0 entries */, 32768) = 0 [pid 5057] close(3) = 0 [pid 5065] <... fallocate resumed>) = ? [pid 5065] +++ killed by SIGKILL +++ [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5065, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=5126 /* 51.26 s */} --- [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached , child_tidptr=0x555555b89650) = 5095 [pid 5095] set_robust_list(0x555555b89660, 24) = 0 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5095] setpgid(0, 0) = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5095] write(3, "1000", 4) = 4 [pid 5095] close(3) = 0 [pid 5095] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5095] dup(3) = 4 [pid 5095] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 9007199271526400 [pid 5061] kill(-5095, SIGKILL) = 0 [pid 5061] kill(5095, SIGKILL) = 0 [pid 5061] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5061] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(3, 0x555555b8a6f0 /* 2 entries */, 32768) = 48 [pid 5061] getdents64(3, 0x555555b8a6f0 /* 0 entries */, 32768) = 0 [pid 5061] close(3) = 0 [ 286.729585][ T29] INFO: task syz-executor122:5067 blocked for more than 143 seconds. [ 286.738203][ T29] Not tainted 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0 [ 286.747439][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.762540][ T29] task:syz-executor122 state:D stack:26736 pid:5067 tgid:5067 ppid:5063 flags:0x00004006 [ 286.774166][ T29] Call Trace: [ 286.779566][ T29] [ 286.782731][ T29] __schedule+0x1961/0x4ab0 [ 286.787427][ T29] ? preempt_schedule_notrace_thunk+0x1a/0x30 [ 286.795611][ T29] ? release_firmware_map_entry+0x190/0x190 [ 286.803904][ T29] ? __lock_acquire+0x1fd0/0x1fd0 [ 286.810165][ T29] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 286.817296][ T29] ? print_irqtrace_events+0x220/0x220 [ 286.823042][ T29] ? _raw_spin_lock_irq+0xdf/0x120 [ 286.828603][ T29] ? schedule+0x8e/0x260 [ 286.834222][ T29] schedule+0x149/0x260 [ 286.839433][ T29] schedule_preempt_disabled+0x13/0x20 [ 286.845034][ T29] rwsem_down_write_slowpath+0xeea/0x13b0 [ 286.851169][ T29] ? rwsem_down_write_slowpath+0xa05/0x13b0 [ 286.858048][ T29] ? down_write_killable_nested+0x80/0x80 [ 286.865834][ T29] ? read_lock_is_recursive+0x20/0x20 [ 286.874051][ T29] ? print_irqtrace_events+0x220/0x220 [ 286.880765][ T29] __down_write_common+0x1aa/0x200 [ 286.889171][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.895101][ T29] ? clear_nonspinnable+0x60/0x60 [ 286.900857][ T29] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.906458][ T29] ? ptrace_notify+0x278/0x380 [ 286.911702][ T29] blkdev_fallocate+0x22a/0x570 [ 286.917112][ T29] vfs_fallocate+0x551/0x6b0 [ 286.922185][ T29] __x64_sys_fallocate+0xbd/0x100 [ 286.927768][ T29] do_syscall_64+0x45/0x110 [ 286.932797][ T29] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 286.940087][ T29] RIP: 0033:0x7f1806f33b29 [ 286.944565][ T29] RSP: 002b:00007ffe60635ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.953121][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1806f33b29 [ 286.961514][ T29] RDX: 0000000000000c00 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.970232][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.978628][ T29] R10: 0020000001002000 R11: 0000000000000246 R12: 0000000000000001 [ 286.987408][ T29] R13: 00007ffe60635dc8 R14: 00007ffe60635bd0 R15: 00007ffe60635bc0 [ 286.995929][ T29] [ 286.999504][ T29] INFO: task syz-executor122:5068 blocked for more than 143 seconds. [ 287.007954][ T29] Not tainted 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0 [ 287.015957][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.024798][ T29] task:syz-executor122 state:D stack:26160 pid:5068 tgid:5068 ppid:5066 flags:0x00004006 [ 287.035728][ T29] Call Trace: [ 287.039445][ T29] [ 287.042408][ T29] __schedule+0x1961/0x4ab0 [ 287.046990][ T29] ? release_firmware_map_entry+0x190/0x190 [ 287.053316][ T29] ? __lock_acquire+0x1fd0/0x1fd0 [ 287.058848][ T29] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 287.065283][ T29] ? print_irqtrace_events+0x220/0x220 [ 287.071176][ T29] ? _raw_spin_lock_irq+0xdf/0x120 [ 287.076421][ T29] ? schedule+0x8e/0x260 [ 287.081145][ T29] schedule+0x149/0x260 [ 287.085709][ T29] schedule_preempt_disabled+0x13/0x20 [ 287.091321][ T29] rwsem_down_write_slowpath+0xeea/0x13b0 [ 287.097254][ T29] ? rwsem_down_write_slowpath+0xa05/0x13b0 [ 287.103693][ T29] ? down_write_killable_nested+0x80/0x80 [ 287.110109][ T29] ? read_lock_is_recursive+0x20/0x20 [ 287.115895][ T29] ? print_irqtrace_events+0x220/0x220 [ 287.121884][ T29] __down_write_common+0x1aa/0x200 [ 287.128015][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.133813][ T29] ? clear_nonspinnable+0x60/0x60 [ 287.140082][ T29] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.148961][ T29] ? ptrace_notify+0x278/0x380 [ 287.159905][ T29] blkdev_fallocate+0x22a/0x570 [ 287.164840][ T29] vfs_fallocate+0x551/0x6b0 [ 287.170697][ T29] __x64_sys_fallocate+0xbd/0x100 [ 287.177299][ T29] do_syscall_64+0x45/0x110 [ 287.183062][ T29] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 287.190029][ T29] RIP: 0033:0x7f1806f33b29 [ 287.194834][ T29] RSP: 002b:00007ffe60635ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.204865][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1806f33b29 [ 287.213997][ T29] RDX: 0000000000000c00 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.223181][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.236739][ T29] R10: 0020000001002000 R11: 0000000000000246 R12: 0000000000000001 [ 287.244879][ T29] R13: 00007ffe60635dc8 R14: 00007ffe60635bd0 R15: 00007ffe60635bc0 [ 287.257689][ T29] [ 287.260861][ T29] INFO: task syz-executor122:5087 blocked for more than 143 seconds. [ 287.270668][ T29] Not tainted 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0 [ 287.278260][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.287529][ T29] task:syz-executor122 state:D stack:24536 pid:5087 tgid:5087 ppid:5058 flags:0x00004006 [ 287.298429][ T29] Call Trace: [ 287.302431][ T29] [ 287.305415][ T29] __schedule+0x1961/0x4ab0 [ 287.310533][ T29] ? release_firmware_map_entry+0x190/0x190 [ 287.317276][ T29] ? __lock_acquire+0x1fd0/0x1fd0 [ 287.322963][ T29] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 287.329610][ T29] ? print_irqtrace_events+0x220/0x220 [ 287.335779][ T29] ? _raw_spin_lock_irq+0xdf/0x120 [ 287.341446][ T29] ? schedule+0x8e/0x260 [ 287.345825][ T29] schedule+0x149/0x260 [ 287.350157][ T29] schedule_preempt_disabled+0x13/0x20 [ 287.355929][ T29] rwsem_down_write_slowpath+0xeea/0x13b0 [ 287.361899][ T29] ? rwsem_down_write_slowpath+0xa05/0x13b0 [ 287.368405][ T29] ? down_write_killable_nested+0x80/0x80 [ 287.374723][ T29] ? read_lock_is_recursive+0x20/0x20 [ 287.380622][ T29] ? print_irqtrace_events+0x220/0x220 [ 287.386498][ T29] __down_write_common+0x1aa/0x200 [ 287.392245][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.397938][ T29] ? clear_nonspinnable+0x60/0x60 [ 287.403393][ T29] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.409010][ T29] ? ptrace_notify+0x278/0x380 [ 287.413987][ T29] blkdev_fallocate+0x22a/0x570 [ 287.418888][ T29] vfs_fallocate+0x551/0x6b0 [ 287.423639][ T29] __x64_sys_fallocate+0xbd/0x100 [ 287.429172][ T29] do_syscall_64+0x45/0x110 [ 287.434327][ T29] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 287.440936][ T29] RIP: 0033:0x7f1806f33b29 [ 287.445792][ T29] RSP: 002b:00007ffe60635ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.455332][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1806f33b29 [ 287.464157][ T29] RDX: 0000000000000c00 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.472707][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.481289][ T29] R10: 0020000001002000 R11: 0000000000000246 R12: 000000000000e000 [ 287.489426][ T29] R13: 00007ffe60635bbc R14: 00007ffe60635bd0 R15: 00007ffe60635bc0 [ 287.497717][ T29] [ 287.501207][ T29] [ 287.501207][ T29] Showing all locks held in the system: [ 287.509801][ T29] 1 lock held by khungtaskd/29: [ 287.514686][ T29] #0: ffffffff8d92dae0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 287.525321][ T29] 2 locks held by klogd/4501: [ 287.530704][ T29] 2 locks held by getty/4809: [ 287.536547][ T29] #0: ffff888026dc40a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.546821][ T29] #1: ffffc900015d72f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 [ 287.557534][ T29] 1 lock held by syz-executor122/5064: [ 287.563660][ T29] 1 lock held by syz-executor122/5067: [ 287.569455][ T29] #0: ffff888148c8abc0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x22a/0x570 [ 287.581098][ T29] 1 lock held by syz-executor122/5068: [ 287.586748][ T29] #0: ffff888148c8abc0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x22a/0x570 [ 287.598155][ T29] 1 lock held by syz-executor122/5087: [ 287.604466][ T29] #0: ffff888148c8abc0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x22a/0x570 [ 287.616390][ T29] 1 lock held by syz-executor122/5088: [ 287.623948][ T29] #0: ffff888148c8abc0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x22a/0x570 [ 287.635955][ T29] 1 lock held by syz-executor122/5095: [ 287.641618][ T29] #0: ffff888148c8abc0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x22a/0x570 [ 287.652926][ T29] [ 287.655679][ T29] ============================================= [ 287.655679][ T29] [ 287.665155][ T29] NMI backtrace for cpu 1 [ 287.669605][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0 [ 287.679619][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 287.689690][ T29] Call Trace: [ 287.692975][ T29] [ 287.696173][ T29] dump_stack_lvl+0x1e7/0x2d0 [ 287.700855][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 287.706630][ T29] ? nf_tcp_handle_invalid+0x650/0x650 [ 287.712203][ T29] ? panic+0x850/0x850 [ 287.716326][ T29] ? vprintk_emit+0x607/0x720 [ 287.721105][ T29] ? printk_sprint+0x480/0x480 [ 287.725873][ T29] nmi_cpu_backtrace+0x498/0x4d0 [ 287.731034][ T29] ? nmi_trigger_cpumask_backtrace+0x310/0x310 [ 287.737455][ T29] ? _printk+0xd5/0x120 [ 287.741696][ T29] ? panic+0x850/0x850 [ 287.745850][ T29] ? __wake_up_klogd+0xcc/0x100 [ 287.750705][ T29] ? panic+0x850/0x850 [ 287.754770][ T29] ? __rcu_read_unlock+0x98/0x100 [ 287.759790][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 287.765972][ T29] nmi_trigger_cpumask_backtrace+0x198/0x310 [ 287.772254][ T29] watchdog+0xfaf/0xff0 [ 287.776513][ T29] ? watchdog+0x1e9/0xff0 [ 287.780946][ T29] kthread+0x2d3/0x370 [ 287.785050][ T29] ? hungtask_pm_notify+0x90/0x90 [ 287.790075][ T29] ? kthread_blkcg+0xd0/0xd0 [ 287.794689][ T29] ret_from_fork+0x48/0x80 [ 287.799121][ T29] ? kthread_blkcg+0xd0/0xd0 [ 287.803713][ T29] ret_from_fork_asm+0x11/0x20 [ 287.808488][ T29] [ 287.811604][ T29] Sending NMI from CPU 1 to CPUs 0: [ 287.816838][ C0] NMI backtrace for cpu 0 [ 287.816849][ C0] CPU: 0 PID: 2861 Comm: kworker/u4:10 Not tainted 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0 [ 287.816865][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 287.816879][ C0] Workqueue: events_unbound toggle_allocation_gate [ 287.816928][ C0] RIP: 0010:rcu_is_watching+0x70/0xb0 [ 287.816950][ C0] Code: c3 08 6c 03 00 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 75 1e 8b 03 65 ff 0d e1 18 8d 7e 74 0c 83 e0 04 c1 e8 02 5b <41> 5e 41 5f c3 e8 d6 e6 89 ff eb ed 89 d9 80 e1 07 80 c1 03 38 c1 [ 287.816962][ C0] RSP: 0018:ffffc9000b9b7948 EFLAGS: 00000202 [ 287.816974][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff816c5e6d [ 287.816984][ C0] RDX: 0000000000000000 RSI: ffffffff8bbde080 RDI: ffffffff8bbde040 [ 287.816993][ C0] RBP: ffffc9000b9b7ad8 R08: ffffffff8f00c0ef R09: 1ffffffff1e0181d [ 287.817003][ C0] R10: dffffc0000000000 R11: fffffbfff1e0181e R12: dffffc0000000000 [ 287.817014][ C0] R13: ffffffff8d9d30e0 R14: ffffffff8d348940 R15: dffffc0000000000 [ 287.817025][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 287.817036][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.817047][ C0] CR2: 00007f34aaef6580 CR3: 000000000d731000 CR4: 00000000003506f0 [ 287.817059][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.817067][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.817076][ C0] Call Trace: [ 287.817081][ C0] [ 287.817087][ C0] ? nmi_cpu_backtrace+0x3be/0x4d0 [ 287.817108][ C0] ? read_lock_is_recursive+0x20/0x20 [ 287.817127][ C0] ? nmi_trigger_cpumask_backtrace+0x310/0x310 [ 287.817148][ C0] ? nmi_handle+0x2a/0x570 [ 287.817172][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 287.817191][ C0] ? nmi_handle+0x14c/0x570 [ 287.817207][ C0] ? nmi_handle+0x2a/0x570 [ 287.817224][ C0] ? rcu_is_watching+0x70/0xb0 [ 287.817243][ C0] ? default_do_nmi+0x63/0x150 [ 287.817264][ C0] ? exc_nmi+0x121/0x210 [ 287.817283][ C0] ? end_repeat_nmi+0xf/0x2a [ 287.817301][ C0] ? trace_contention_end+0x2d/0x100 [ 287.817315][ C0] ? rcu_is_watching+0x70/0xb0 [ 287.817335][ C0] ? rcu_is_watching+0x70/0xb0 [ 287.817355][ C0] ? rcu_is_watching+0x70/0xb0 [ 287.817374][ C0] [ 287.817377][ C0] [ 287.817382][ C0] trace_contention_end+0x3c/0x100 [ 287.817397][ C0] __mutex_lock+0x2e4/0xd60 [ 287.817422][ C0] ? static_key_disable_cpuslocked+0x9b/0x1b0 [ 287.817448][ C0] ? mutex_lock_nested+0x20/0x20 [ 287.817476][ C0] static_key_disable_cpuslocked+0x9b/0x1b0 [ 287.817491][ C0] static_key_disable+0x1a/0x20 [ 287.817504][ C0] toggle_allocation_gate+0x1b8/0x250 [ 287.817524][ C0] ? show_object+0x70/0x70 [ 287.817542][ C0] ? print_irqtrace_events+0x220/0x220 [ 287.817564][ C0] ? process_scheduled_works+0x825/0x1420 [ 287.817582][ C0] process_scheduled_works+0x90f/0x1420 [ 287.817612][ C0] ? assign_work+0x3d0/0x3d0 [ 287.817632][ C0] ? assign_work+0x364/0x3d0 [ 287.817651][ C0] worker_thread+0xa5f/0x1000 [ 287.817671][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.817693][ C0] kthread+0x2d3/0x370 [ 287.817706][ C0] ? pr_cont_work+0x5e0/0x5e0 [ 287.817721][ C0] ? kthread_blkcg+0xd0/0xd0 [ 287.817735][ C0] ret_from_fork+0x48/0x80 [ 287.817751][ C0] ? kthread_blkcg+0xd0/0xd0 [ 287.817764][ C0] ret_from_fork_asm+0x11/0x20 [ 287.817790][ C0] [ 287.817956][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 288.167200][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc7-syzkaller-00003-gfbafc3e621c3 #0 [ 288.177429][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 288.187740][ T29] Call Trace: [ 288.191013][ T29] [ 288.194022][ T29] dump_stack_lvl+0x1e7/0x2d0 [ 288.198722][ T29] ? nf_tcp_handle_invalid+0x650/0x650 [ 288.204199][ T29] ? panic+0x850/0x850 [ 288.208462][ T29] ? vscnprintf+0x5d/0x80 [ 288.212983][ T29] panic+0x349/0x850 [ 288.216884][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x310 [ 288.223299][ T29] ? __memcpy_flushcache+0x2b0/0x2b0 [ 288.228677][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 288.234917][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 288.240468][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x310 [ 288.246706][ T29] ? nmi_trigger_cpumask_backtrace+0x2c7/0x310 [ 288.252878][ T29] ? nmi_trigger_cpumask_backtrace+0x2cc/0x310 [ 288.259024][ T29] watchdog+0xfee/0xff0 [ 288.263438][ T29] ? watchdog+0x1e9/0xff0 [ 288.267879][ T29] kthread+0x2d3/0x370 [ 288.272058][ T29] ? hungtask_pm_notify+0x90/0x90 [ 288.277307][ T29] ? kthread_blkcg+0xd0/0xd0 [ 288.283085][ T29] ret_from_fork+0x48/0x80 [ 288.287620][ T29] ? kthread_blkcg+0xd0/0xd0 [ 288.292755][ T29] ret_from_fork_asm+0x11/0x20 [ 288.297533][ T29] [ 288.300929][ T29] Kernel Offset: disabled [ 288.305373][ T29] Rebooting in 86400 seconds..