./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor831065615 <...> Warning: Permanently added '10.128.1.105' (ED25519) to the list of known hosts. execve("./syz-executor831065615", ["./syz-executor831065615"], 0x7fff8a4e29e0 /* 10 vars */) = 0 brk(NULL) = 0x555556e10000 brk(0x555556e10d00) = 0x555556e10d00 arch_prctl(ARCH_SET_FS, 0x555556e10380) = 0 set_tid_address(0x555556e10650) = 5056 set_robust_list(0x555556e10660, 24) = 0 rseq(0x555556e10ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor831065615", 4096) = 27 getrandom("\xc9\xab\x4f\x01\xd3\x94\xc2\x44", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556e10d00 brk(0x555556e31d00) = 0x555556e31d00 brk(0x555556e32000) = 0x555556e32000 mprotect(0x7f92816cb000, 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 [pid 5057] set_robust_list(0x555556e10660, 24 [pid 5056] <... clone resumed>, child_tidptr=0x555556e10650) = 5057 [pid 5057] <... set_robust_list resumed>) = 0 [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5058 attached [pid 5058] set_robust_list(0x555556e10660, 24./strace-static-x86_64: Process 5059 attached [pid 5057] <... clone resumed>, child_tidptr=0x555556e10650) = 5058 [pid 5059] set_robust_list(0x555556e10660, 24 [pid 5058] <... set_robust_list resumed>) = 0 [pid 5059] <... set_robust_list resumed>) = 0 [pid 5058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5056] <... clone resumed>, child_tidptr=0x555556e10650) = 5059 [pid 5058] <... prctl resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5058] setpgid(0, 0./strace-static-x86_64: Process 5060 attached ) = 0 [pid 5060] set_robust_list(0x555556e10660, 24 [pid 5059] <... clone resumed>, child_tidptr=0x555556e10650) = 5060 [pid 5060] <... set_robust_list resumed>) = 0 [pid 5060] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5061 attached ) = 0 [pid 5058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5061] set_robust_list(0x555556e10660, 24 [pid 5060] setpgid(0, 0 [pid 5058] <... openat resumed>) = 3 [pid 5056] <... clone resumed>, child_tidptr=0x555556e10650) = 5061 [pid 5061] <... set_robust_list resumed>) = 0 [pid 5060] <... setpgid resumed>) = 0 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5058] write(3, "1000", 4 [pid 5060] <... openat resumed>) = 3 [pid 5058] <... write resumed>) = 4 [pid 5058] close(3) = 0 [pid 5058] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME./strace-static-x86_64: Process 5063 attached ./strace-static-x86_64: Process 5062 attached [pid 5060] write(3, "1000", 4 [pid 5062] set_robust_list(0x555556e10660, 24 [pid 5061] <... clone resumed>, child_tidptr=0x555556e10650) = 5062 [pid 5062] <... set_robust_list resumed>) = 0 [pid 5056] <... clone resumed>, child_tidptr=0x555556e10650) = 5063 [pid 5063] set_robust_list(0x555556e10660, 24 [pid 5060] <... write resumed>) = 4 [pid 5058] <... openat resumed>) = 3 [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5063] <... set_robust_list resumed>) = 0 [pid 5062] <... prctl resumed>) = 0 [pid 5060] close(3 [pid 5058] dup(3./strace-static-x86_64: Process 5064 attached [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] setpgid(0, 0 [pid 5060] <... close resumed>) = 0 [pid 5058] <... dup resumed>) = 4 [pid 5056] <... clone resumed>, child_tidptr=0x555556e10650) = 5064 [pid 5064] set_robust_list(0x555556e10660, 24 [pid 5062] <... setpgid resumed>) = 0 [pid 5060] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5058] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807./strace-static-x86_64: Process 5065 attached [pid 5056] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... set_robust_list resumed>) = 0 [pid 5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5060] <... openat resumed>) = 3 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5066 attached [pid 5065] set_robust_list(0x555556e10660, 24 [pid 5062] <... openat resumed>) = 3 [pid 5066] set_robust_list(0x555556e10660, 24 [pid 5062] write(3, "1000", 4 [pid 5066] <... set_robust_list resumed>) = 0 [pid 5062] <... write resumed>) = 4 ./strace-static-x86_64: Process 5067 attached [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... set_robust_list resumed>) = 0 [pid 5063] <... clone resumed>, child_tidptr=0x555556e10650) = 5065 [pid 5062] close(3 [pid 5060] dup(3 [pid 5067] set_robust_list(0x555556e10660, 24 [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5060] <... dup resumed>) = 4 [pid 5056] <... clone resumed>, child_tidptr=0x555556e10650) = 5066 [pid 5067] <... set_robust_list resumed>) = 0 [pid 5065] <... prctl resumed>) = 0 [pid 5064] <... clone resumed>, child_tidptr=0x555556e10650) = 5067 [pid 5060] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807./strace-static-x86_64: Process 5068 attached [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] setpgid(0, 0 [pid 5062] <... close resumed>) = 0 [pid 5068] set_robust_list(0x555556e10660, 24 [pid 5067] <... prctl resumed>) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555556e10650) = 5068 [pid 5065] <... setpgid resumed>) = 0 [pid 5068] <... set_robust_list resumed>) = 0 [pid 5067] setpgid(0, 0 [pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] <... setpgid resumed>) = 0 [pid 5065] <... openat resumed>) = 3 [pid 5062] <... openat resumed>) = 3 [pid 5068] <... prctl resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] write(3, "1000", 4 [pid 5062] dup(3 [pid 5068] setpgid(0, 0 [pid 5065] <... write resumed>) = 4 [pid 5062] <... dup resumed>) = 4 [pid 5068] <... setpgid resumed>) = 0 [pid 5062] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] <... openat resumed>) = 3 [pid 5065] close(3 [pid 5068] <... openat resumed>) = 3 [pid 5065] <... close resumed>) = 0 [pid 5068] write(3, "1000", 4 [pid 5067] write(3, "1000", 4 [pid 5068] <... write resumed>) = 4 [pid 5065] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5068] close(3 [pid 5067] <... write resumed>) = 4 [pid 5068] <... close resumed>) = 0 [pid 5068] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5067] close(3 [pid 5065] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... close resumed>) = 0 [pid 5068] dup(3) = 4 [pid 5067] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5065] dup(3 [pid 5068] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5065] <... dup resumed>) = 4 [pid 5067] <... openat resumed>) = 3 [pid 5065] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5067] dup(3) = 4 [pid 5067] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5057] kill(-5058, SIGKILL) = 0 [pid 5057] kill(5058, SIGKILL) = 0 [pid 5059] kill(-5060, SIGKILL) = 0 [pid 5059] kill(5060, SIGKILL) = 0 [pid 5061] kill(-5062, SIGKILL) = 0 [pid 5061] kill(5062, SIGKILL) = 0 [pid 5063] kill(-5065, SIGKILL) = 0 [pid 5066] kill(-5068, SIGKILL [pid 5064] kill(-5067, SIGKILL) = 0 [pid 5064] kill(5067, SIGKILL) = 0 [pid 5063] kill(5065, SIGKILL [pid 5066] <... kill resumed>) = 0 [pid 5063] <... kill resumed>) = 0 [pid 5066] kill(5068, SIGKILL) = 0 [pid 5057] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5057] newfstatat(3, "", [pid 5066] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5066] newfstatat(3, "", [pid 5059] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5059] <... openat resumed>) = 3 [pid 5059] newfstatat(3, "", [pid 5066] getdents64(3, [pid 5059] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5064] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5059] getdents64(3, [pid 5064] newfstatat(3, "", [pid 5057] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5066] <... getdents64 resumed>0x555556e116f0 /* 2 entries */, 32768) = 48 [pid 5064] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5059] <... getdents64 resumed>0x555556e116f0 /* 2 entries */, 32768) = 48 [pid 5057] getdents64(3, [pid 5066] getdents64(3, [pid 5064] getdents64(3, [pid 5059] getdents64(3, [pid 5066] <... getdents64 resumed>0x555556e116f0 /* 0 entries */, 32768) = 0 [pid 5064] <... getdents64 resumed>0x555556e116f0 /* 2 entries */, 32768) = 48 [pid 5059] <... getdents64 resumed>0x555556e116f0 /* 0 entries */, 32768) = 0 [pid 5057] <... getdents64 resumed>0x555556e116f0 /* 2 entries */, 32768) = 48 [pid 5066] close(3 [pid 5064] getdents64(3, [pid 5059] close(3 [pid 5066] <... close resumed>) = 0 [pid 5064] <... getdents64 resumed>0x555556e116f0 /* 0 entries */, 32768) = 0 [pid 5061] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] getdents64(3, [pid 5059] <... close resumed>) = 0 [pid 5064] close(3 [pid 5057] <... getdents64 resumed>0x555556e116f0 /* 0 entries */, 32768) = 0 [pid 5064] <... close resumed>) = 0 [pid 5061] <... openat resumed>) = 3 [pid 5061] newfstatat(3, "", [pid 5057] close(3) = 0 [pid 5061] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5061] getdents64(3, 0x555556e116f0 /* 2 entries */, 32768) = 48 [pid 5061] getdents64(3, 0x555556e116f0 /* 0 entries */, 32768) = 0 [pid 5061] close(3) = 0 [pid 5063] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5063] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5063] getdents64(3, 0x555556e116f0 /* 2 entries */, 32768) = 48 [pid 5063] getdents64(3, 0x555556e116f0 /* 0 entries */, 32768) = 0 [pid 5063] close(3) = 0 [ 76.146004][ T921] cfg80211: failed to load regulatory.db [pid 5058] <... fallocate resumed>) = ? [pid 5058] +++ killed by SIGKILL +++ [pid 5057] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5058, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=5481 /* 54.81 s */} --- [pid 5057] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e10650) = 5082 ./strace-static-x86_64: Process 5082 attached [pid 5082] set_robust_list(0x555556e10660, 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) = 3 [pid 5082] dup(3) = 4 [pid 5082] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5057] kill(-5082, SIGKILL) = 0 [pid 5057] kill(5082, 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, 0x555556e116f0 /* 2 entries */, 32768) = 48 [pid 5057] getdents64(3, 0x555556e116f0 /* 0 entries */, 32768) = 0 [pid 5057] close(3) = 0 [pid 5060] <... fallocate resumed>) = ? [pid 5060] +++ killed by SIGKILL +++ [pid 5059] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5060, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=5378 /* 53.78 s */} --- [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e10650) = 5083 ./strace-static-x86_64: Process 5083 attached [pid 5083] set_robust_list(0x555556e10660, 24) = 0 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5083] setpgid(0, 0) = 0 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "1000", 4) = 4 [pid 5083] close(3) = 0 [pid 5083] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5083] dup(3) = 4 [pid 5083] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5059] kill(-5083, SIGKILL) = 0 [pid 5059] kill(5083, SIGKILL) = 0 [pid 5059] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5059] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5059] getdents64(3, 0x555556e116f0 /* 2 entries */, 32768) = 48 [pid 5059] getdents64(3, 0x555556e116f0 /* 0 entries */, 32768) = 0 [pid 5059] close(3) = 0 [pid 5062] <... fallocate resumed>) = ? [pid 5062] +++ killed by SIGKILL +++ [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5062, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=5595 /* 55.95 s */} --- [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5090 attached [pid 5090] set_robust_list(0x555556e10660, 24 [pid 5061] <... clone resumed>, child_tidptr=0x555556e10650) = 5090 [pid 5090] <... set_robust_list resumed>) = 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) = 3 [pid 5090] dup(3) = 4 [pid 5090] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 9223372036854775807 [pid 5061] kill(-5090, SIGKILL) = 0 [pid 5061] kill(5090, 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, 0x555556e116f0 /* 2 entries */, 32768) = 48 [pid 5061] getdents64(3, 0x555556e116f0 /* 0 entries */, 32768) = 0 [pid 5061] close(3) = 0 [ 286.041857][ T29] INFO: task syz-executor831:5065 blocked for more than 143 seconds. [ 286.050086][ T29] Not tainted 6.8.0-rc2-syzkaller #0 [ 286.071655][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.080361][ T29] task:syz-executor831 state:D stack:28208 pid:5065 tgid:5065 ppid:5063 flags:0x00004006 [ 286.142450][ T29] Call Trace: [ 286.145773][ T29] [ 286.148716][ T29] __schedule+0xf12/0x5c00 [ 286.161629][ T29] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 286.181613][ T29] ? hlock_class+0x4e/0x130 [ 286.186153][ T29] ? mark_lock+0xb5/0xc50 [ 286.190503][ T29] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 286.233733][ T29] ? io_schedule_timeout+0x150/0x150 [ 286.239119][ T29] ? schedule+0x1fc/0x270 [ 286.244366][ T29] ? reacquire_held_locks+0x4c0/0x4c0 [ 286.250562][ T29] ? __down_write_common+0x899/0x1400 [ 286.256872][ T29] schedule+0xe9/0x270 [ 286.261869][ T29] schedule_preempt_disabled+0x13/0x20 [ 286.268158][ T29] __down_write_common+0x948/0x1400 [ 286.274241][ T29] ? aa_file_perm+0x4f2/0x1000 [ 286.279886][ T29] ? up_write+0x510/0x510 [ 286.285110][ T29] ? lock_sync+0x190/0x190 [ 286.289544][ T29] ? preempt_count_sub+0x160/0x160 [ 286.304099][ T29] blkdev_fallocate+0x1e9/0x450 [ 286.309871][ T29] ? file_to_blk_mode+0x1a0/0x1a0 [ 286.315818][ T29] vfs_fallocate+0x4b4/0xf70 [ 286.321234][ T29] __x64_sys_fallocate+0xd5/0x140 [ 286.326336][ T29] do_syscall_64+0xd3/0x250 [ 286.330860][ T29] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 286.337711][ T29] RIP: 0033:0x7f9281658b29 [ 286.372423][ T29] RSP: 002b:00007ffc96b05ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.380881][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9281658b29 [ 286.421571][ T29] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.429578][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.467001][ T29] R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 286.502420][ T29] R13: 00007ffc96b05f08 R14: 00007ffc96b05d10 R15: 00007ffc96b05d00 [ 286.510433][ T29] [ 286.514336][ T29] INFO: task syz-executor831:5067 blocked for more than 143 seconds. [ 286.528159][ T29] Not tainted 6.8.0-rc2-syzkaller #0 [ 286.534917][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.544485][ T29] task:syz-executor831 state:D stack:28208 pid:5067 tgid:5067 ppid:5064 flags:0x00004006 [ 286.582389][ T29] Call Trace: [ 286.586568][ T29] [ 286.590393][ T29] __schedule+0xf12/0x5c00 [ 286.614644][ T29] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 286.620670][ T29] ? hlock_class+0x4e/0x130 [ 286.646658][ T29] ? mark_lock+0xb5/0xc50 [ 286.651042][ T29] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 286.672852][ T29] ? io_schedule_timeout+0x150/0x150 [ 286.678988][ T29] ? schedule+0x1fc/0x270 [ 286.684599][ T29] ? reacquire_held_locks+0x4c0/0x4c0 [ 286.690840][ T29] ? __down_write_common+0x899/0x1400 [ 286.697076][ T29] schedule+0xe9/0x270 [ 286.701585][ T29] schedule_preempt_disabled+0x13/0x20 [ 286.707053][ T29] __down_write_common+0x948/0x1400 [ 286.713027][ T29] ? aa_file_perm+0x4f2/0x1000 [ 286.718669][ T29] ? up_write+0x510/0x510 [ 286.732327][ T29] ? lock_sync+0x190/0x190 [ 286.736935][ T29] ? preempt_count_sub+0x160/0x160 [ 286.743275][ T29] blkdev_fallocate+0x1e9/0x450 [ 286.749787][ T29] ? file_to_blk_mode+0x1a0/0x1a0 [ 286.755713][ T29] vfs_fallocate+0x4b4/0xf70 [ 286.761177][ T29] __x64_sys_fallocate+0xd5/0x140 [ 286.767290][ T29] do_syscall_64+0xd3/0x250 [ 286.772911][ T29] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 286.779989][ T29] RIP: 0033:0x7f9281658b29 [ 286.785297][ T29] RSP: 002b:00007ffc96b05ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.804131][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9281658b29 [ 286.813049][ T29] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.821568][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.829551][ T29] R10: 7fffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 286.838270][ T29] R13: 00007ffc96b05f08 R14: 00007ffc96b05d10 R15: 00007ffc96b05d00 [ 286.847723][ T29] [ 286.852969][ T29] INFO: task syz-executor831:5082 blocked for more than 144 seconds. [ 286.861881][ T29] Not tainted 6.8.0-rc2-syzkaller #0 [ 286.868538][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.888054][ T29] task:syz-executor831 state:D stack:27392 pid:5082 tgid:5082 ppid:5057 flags:0x00004006 [ 286.899188][ T29] Call Trace: [ 286.903318][ T29] [ 286.906267][ T29] __schedule+0xf12/0x5c00 [ 286.910702][ T29] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 286.965037][ T29] ? hlock_class+0x4e/0x130 [ 286.970469][ T29] ? mark_lock+0xb5/0xc50 [ 286.975856][ T29] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 286.983394][ T29] ? io_schedule_timeout+0x150/0x150 [ 286.989561][ T29] ? schedule+0x1fc/0x270 [ 286.995477][ T29] ? reacquire_held_locks+0x4c0/0x4c0 [ 287.001765][ T29] ? __down_write_common+0x899/0x1400 [ 287.007972][ T29] schedule+0xe9/0x270 [ 287.016879][ T29] schedule_preempt_disabled+0x13/0x20 [ 287.027844][ T29] __down_write_common+0x948/0x1400 [ 287.033976][ T29] ? aa_file_perm+0x4f2/0x1000 [ 287.039628][ T29] ? up_write+0x510/0x510 [ 287.044760][ T29] ? lock_sync+0x190/0x190 [ 287.050074][ T29] ? preempt_count_sub+0x160/0x160 [ 287.062379][ T29] blkdev_fallocate+0x1e9/0x450 [ 287.068097][ T29] ? file_to_blk_mode+0x1a0/0x1a0 [ 287.089835][ T29] vfs_fallocate+0x4b4/0xf70 [ 287.099647][ T29] __x64_sys_fallocate+0xd5/0x140 [ 287.111573][ T29] do_syscall_64+0xd3/0x250 [ 287.116102][ T29] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 287.136371][ T29] RIP: 0033:0x7f9281658b29 [ 287.144774][ T29] RSP: 002b:00007ffc96b05ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.155616][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9281658b29 [ 287.163661][ T29] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.172174][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.180441][ T29] R10: 7fffffffffffffff R11: 0000000000000246 R12: 000000000000db0c [ 287.188755][ T29] R13: 00007ffc96b05cfc R14: 00007ffc96b05d10 R15: 00007ffc96b05d00 [ 287.197034][ T29] [ 287.200361][ T29] [ 287.200361][ T29] Showing all locks held in the system: [ 287.212077][ T29] 1 lock held by ksoftirqd/1/22: [ 287.217023][ T29] 1 lock held by khungtaskd/29: [ 287.265218][ T29] #0: ffffffff8d1acbe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 [ 287.312606][ T29] 1 lock held by klogd/4499: [ 287.317239][ T29] 2 locks held by getty/4808: [ 287.351892][ T29] #0: ffff88802e9690a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 287.364669][ T29] #1: ffffc900031232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc6/0x1490 [ 287.399944][ T29] 1 lock held by syz-executor831/5065: [ 287.432734][ T29] #0: ffff88801b4ae540 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e9/0x450 [ 287.452660][ T29] 1 lock held by syz-executor831/5067: [ 287.463402][ T29] #0: ffff88801b4ae540 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e9/0x450 [ 287.489885][ T29] 1 lock held by syz-executor831/5068: [ 287.495402][ T29] 1 lock held by syz-executor831/5082: [ 287.501119][ T29] #0: ffff88801b4ae540 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e9/0x450 [ 287.512496][ T29] 1 lock held by syz-executor831/5083: [ 287.518237][ T29] #0: ffff88801b4ae540 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e9/0x450 [ 287.529351][ T29] 1 lock held by syz-executor831/5090: [ 287.535253][ T29] #0: ffff88801b4ae540 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1e9/0x450 [ 287.546365][ T29] [ 287.548949][ T29] ============================================= [ 287.548949][ T29] [ 287.569871][ T29] NMI backtrace for cpu 1 [ 287.574215][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc2-syzkaller #0 [ 287.582367][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 287.592438][ T29] Call Trace: [ 287.595723][ T29] [ 287.598656][ T29] dump_stack_lvl+0xd9/0x1b0 [ 287.603262][ T29] nmi_cpu_backtrace+0x277/0x390 [ 287.608212][ T29] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 287.613425][ T29] nmi_trigger_cpumask_backtrace+0x299/0x300 [ 287.619420][ T29] watchdog+0xf87/0x1210 [ 287.623681][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 287.629672][ T29] ? lockdep_hardirqs_on+0x7d/0x110 [ 287.634875][ T29] ? __kthread_parkme+0x14b/0x220 [ 287.639904][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 287.645890][ T29] kthread+0x2c6/0x3a0 [ 287.649966][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.655179][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 287.660819][ T29] ret_from_fork+0x45/0x80 [ 287.665241][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 287.670884][ T29] ret_from_fork_asm+0x11/0x20 [ 287.675669][ T29] [ 287.678794][ T29] Sending NMI from CPU 1 to CPUs 0: [ 287.684034][ C0] NMI backtrace for cpu 0 [ 287.684043][ C0] CPU: 0 PID: 4492 Comm: syslogd Not tainted 6.8.0-rc2-syzkaller #0 [ 287.684056][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 287.684062][ C0] RIP: 0010:write_comp_data+0x12/0x80 [ 287.684082][ C0] Code: 04 25 80 c2 03 00 48 8b 80 f0 15 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 49 89 d2 49 89 f8 49 89 f1 65 48 8b 14 25 80 c2 03 00 <65> 8b 05 9f a1 7b 7e a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b 82 fc [ 287.684093][ C0] RSP: 0018:ffffc90000007a90 EFLAGS: 00000246 [ 287.684103][ C0] RAX: 0000000000000000 RBX: ffffc90000007ac0 RCX: ffffffff813a3ebc [ 287.684111][ C0] RDX: ffff88802f3ebb80 RSI: 0000000000000000 RDI: 0000000000000005 [ 287.684118][ C0] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 [ 287.684125][ C0] R10: 0000000000000002 R11: 0000000000000003 R12: ffffc90000007ac0 [ 287.684132][ C0] R13: ffffffff817572e0 R14: ffffc90000007b80 R15: ffff88802f3ebb80 [ 287.684143][ C0] FS: 00007f833da5c380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 287.684155][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.684163][ C0] CR2: 00007fff6909cc38 CR3: 000000002c6b2000 CR4: 0000000000350ef0 [ 287.684171][ C0] Call Trace: [ 287.684175][ C0] [ 287.684179][ C0] ? show_regs+0x8f/0xa0 [ 287.684195][ C0] ? nmi_cpu_backtrace+0x1d4/0x390 [ 287.684211][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 287.684229][ C0] ? nmi_handle+0x1a6/0x570 [ 287.684244][ C0] ? x86_pmu_event_mapped+0x1c0/0x1c0 [ 287.684264][ C0] ? write_comp_data+0x12/0x80 [ 287.684278][ C0] ? default_do_nmi+0x6a/0x160 [ 287.684298][ C0] ? exc_nmi+0x186/0x200 [ 287.684316][ C0] ? end_repeat_nmi+0xf/0x2a [ 287.684332][ C0] ? write_profile+0x450/0x450 [ 287.684346][ C0] ? unwind_get_return_address+0x3c/0xe0 [ 287.684359][ C0] ? write_comp_data+0x12/0x80 [ 287.684374][ C0] ? write_comp_data+0x12/0x80 [ 287.684389][ C0] ? write_comp_data+0x12/0x80 [ 287.684404][ C0] [ 287.684407][ C0] [ 287.684410][ C0] unwind_get_return_address+0x3c/0xe0 [ 287.684422][ C0] arch_stack_walk+0xbe/0x170 [ 287.684437][ C0] ? rcu_core+0x819/0x1680 [ 287.684457][ C0] stack_trace_save+0x96/0xd0 [ 287.684470][ C0] ? filter_irq_stacks+0x90/0x90 [ 287.684482][ C0] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 287.684502][ C0] ? lock_acquire+0x1ae/0x520 [ 287.684513][ C0] save_stack+0x160/0x1f0 [ 287.684531][ C0] ? register_early_stack+0xd0/0xd0 [ 287.684548][ C0] ? lock_sync+0x190/0x190 [ 287.684557][ C0] ? free_unref_page_prepare+0x51f/0xb10 [ 287.684576][ C0] ? free_unref_page+0x33/0x3c0 [ 287.684600][ C0] __reset_page_owner+0x51/0x2e0 [ 287.684618][ C0] ? rcu_is_watching+0x12/0xb0 [ 287.684633][ C0] free_unref_page_prepare+0x51f/0xb10 [ 287.684654][ C0] free_unref_page+0x33/0x3c0 [ 287.684673][ C0] ? rcu_core+0x817/0x1680 [ 287.684691][ C0] rcu_core+0x819/0x1680 [ 287.684711][ C0] ? rcutree_report_cpu_dead+0x4d0/0x4d0 [ 287.684734][ C0] __do_softirq+0x21a/0x8de [ 287.684753][ C0] ? __lock_text_end+0x3/0x3 [ 287.684770][ C0] irq_exit_rcu+0xb7/0x120 [ 287.684784][ C0] sysvec_apic_timer_interrupt+0x95/0xb0 [ 287.684797][ C0] [ 287.684800][ C0] [ 287.684804][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 287.684820][ C0] RIP: 0010:_raw_write_unlock_irqrestore+0x31/0x70 [ 287.684837][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 16 6f d6 f6 48 89 df e8 de f0 d6 f6 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 05 87 c8 f6 65 8b 05 c6 bb 71 75 85 c0 74 12 5b [ 287.684848][ C0] RSP: 0018:ffffc9000316f968 EFLAGS: 00000246 [ 287.684856][ C0] RAX: 0000000000000002 RBX: ffffffff8dc80980 RCX: 1ffffffff242d5ad [ 287.684864][ C0] RDX: 0000000000000000 RSI: ffffffff8accaee0 RDI: ffffffff8b2fd4c0 [ 287.684871][ C0] RBP: 0000000000000246 R08: 0000000000000001 R09: fffffbfff242afed [ 287.684878][ C0] R10: ffffffff92157f6f R11: 0000000000000002 R12: ffff88801df94640 [ 287.684885][ C0] R13: ffff88805d9381e0 R14: 0000000000000000 R15: ffffc9000316f9d8 [ 287.684898][ C0] kasan_release_object_meta+0x26/0xa0 [ 287.684915][ C0] qlist_free_all+0x44/0x150 [ 287.684931][ C0] ? tomoyo_realpath_from_path+0xb9/0x710 [ 287.684950][ C0] kasan_quarantine_reduce+0x18e/0x1d0 [ 287.684968][ C0] __kasan_kmalloc+0x86/0xb0 [ 287.684980][ C0] __kmalloc+0x1f9/0x440 [ 287.684998][ C0] ? stack_depot_save_flags+0x259/0x730 [ 287.685018][ C0] tomoyo_realpath_from_path+0xb9/0x710 [ 287.685037][ C0] ? print_usage_bug.part.0+0x550/0x550 [ 287.685057][ C0] ? tomoyo_profile+0x47/0x60 [ 287.685072][ C0] tomoyo_path_perm+0x26f/0x450 [ 287.685089][ C0] ? tomoyo_path_perm+0x25b/0x450 [ 287.685105][ C0] ? tomoyo_check_open_permission+0x3b0/0x3b0 [ 287.685132][ C0] ? __might_fault+0x13f/0x1a0 [ 287.685151][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 287.685164][ C0] security_inode_getattr+0xf1/0x150 [ 287.685183][ C0] vfs_fstat+0x4f/0xc0 [ 287.685197][ C0] vfs_fstatat+0x130/0x140 [ 287.685211][ C0] __do_sys_newfstatat+0x98/0x110 [ 287.685225][ C0] ? __do_compat_sys_newlstat+0x110/0x110 [ 287.685247][ C0] do_syscall_64+0xd3/0x250 [ 287.685265][ C0] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 287.685279][ C0] RIP: 0033:0x7f833dbb05f4 [ 287.685288][ C0] Code: 64 c7 00 09 00 00 00 83 c8 ff c3 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 00 00 00 00 41 89 ca b8 06 01 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 10 48 8b 15 03 a8 0d 00 f7 d8 41 83 c8 [ 287.685299][ C0] RSP: 002b:00007ffc78686798 EFLAGS: 00000206 ORIG_RAX: 0000000000000106 [ 287.685310][ C0] RAX: ffffffffffffffda RBX: 00005600d732e910 RCX: 00007f833dbb05f4 [ 287.685317][ C0] RDX: 00007ffc786867c0 RSI: 00007f833dc4d130 RDI: 0000000000000003 [ 287.685324][ C0] RBP: 00007ffc786868a0 R08: 0000000000000001 R09: 0000000000000000 [ 287.685332][ C0] R10: 0000000000001000 R11: 0000000000000206 R12: 00005600d732ec50 [ 287.685339][ C0] R13: 0000000065b7ff34 R14: 0000000000000006 R15: 00005600d732ea60 [ 287.685350][ C0] [ 287.685355][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.320 msecs [ 287.686363][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 288.284027][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc2-syzkaller #0 [ 288.292086][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 288.302129][ T29] Call Trace: [ 288.305400][ T29] [ 288.308322][ T29] dump_stack_lvl+0xd9/0x1b0 [ 288.312917][ T29] panic+0x6dc/0x790 [ 288.316809][ T29] ? panic_smp_self_stop+0xa0/0xa0 [ 288.321914][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 288.327287][ T29] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 288.332483][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 288.337853][ T29] ? watchdog+0xd3e/0x1210 [ 288.342260][ T29] ? watchdog+0xd31/0x1210 [ 288.346674][ T29] watchdog+0xd4f/0x1210 [ 288.350914][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 288.356887][ T29] ? lockdep_hardirqs_on+0x7d/0x110 [ 288.362086][ T29] ? __kthread_parkme+0x14b/0x220 [ 288.367106][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 288.373080][ T29] kthread+0x2c6/0x3a0 [ 288.377143][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 288.382333][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 288.387957][ T29] ret_from_fork+0x45/0x80 [ 288.392372][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 288.398005][ T29] ret_from_fork_asm+0x11/0x20 [ 288.402772][ T29] [ 288.406058][ T29] Kernel Offset: disabled [ 288.410387][ T29] Rebooting in 86400 seconds..