./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor974484936 <...> Warning: Permanently added '10.128.0.168' (ED25519) to the list of known hosts. execve("./syz-executor974484936", ["./syz-executor974484936"], 0x7fff8ed50190 /* 10 vars */) = 0 brk(NULL) = 0x555557388000 brk(0x555557388d00) = 0x555557388d00 arch_prctl(ARCH_SET_FS, 0x555557388380) = 0 set_tid_address(0x555557388650) = 5066 set_robust_list(0x555557388660, 24) = 0 rseq(0x555557388ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor974484936", 4096) = 27 getrandom("\x99\xf8\x6c\x46\x4f\xe6\x63\xf2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557388d00 brk(0x5555573a9d00) = 0x5555573a9d00 brk(0x5555573aa000) = 0x5555573aa000 mprotect(0x7f68c0d1c000, 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 5067 attached [pid 5067] set_robust_list(0x555557388660, 24 [pid 5066] <... clone resumed>, child_tidptr=0x555557388650) = 5067 [pid 5067] <... set_robust_list resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5068 attached [pid 5067] <... clone resumed>, child_tidptr=0x555557388650) = 5068 ./strace-static-x86_64: Process 5069 attached [pid 5066] <... clone resumed>, child_tidptr=0x555557388650) = 5069 [pid 5068] set_robust_list(0x555557388660, 24 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] set_robust_list(0x555557388660, 24) = 0 [pid 5068] <... set_robust_list resumed>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5071 attached ./strace-static-x86_64: Process 5070 attached [pid 5066] <... clone resumed>, child_tidptr=0x555557388650) = 5070 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] set_robust_list(0x555557388660, 24 [pid 5070] set_robust_list(0x555557388660, 24 [pid 5069] <... clone resumed>, child_tidptr=0x555557388650) = 5071 [pid 5068] setpgid(0, 0) = 0 [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] <... set_robust_list resumed>) = 0 [pid 5070] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5072 attached [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... clone resumed>, child_tidptr=0x555557388650) = 5072 [pid 5072] set_robust_list(0x555557388660, 24 [pid 5071] <... prctl resumed>) = 0 [pid 5071] setpgid(0, 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... set_robust_list resumed>) = 0 [pid 5071] <... setpgid resumed>) = 0 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... openat resumed>) = 3 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] write(3, "1000", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5071] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 5068] dup(3./strace-static-x86_64: Process 5075 attached ./strace-static-x86_64: Process 5074 attached ./strace-static-x86_64: Process 5073 attached [pid 5071] write(3, "1000", 4 [pid 5066] <... clone resumed>, child_tidptr=0x555557388650) = 5074 [pid 5071] <... write resumed>) = 4 [pid 5071] close(3 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] set_robust_list(0x555557388660, 24 [pid 5074] set_robust_list(0x555557388660, 24 [pid 5073] set_robust_list(0x555557388660, 24 [pid 5072] <... clone resumed>, child_tidptr=0x555557388650) = 5075 [pid 5071] <... close resumed>) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555557388650) = 5073 [pid 5068] <... dup resumed>) = 4 [pid 5075] <... set_robust_list resumed>) = 0 [pid 5074] <... set_robust_list resumed>) = 0 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5071] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5068] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 70368760963072./strace-static-x86_64: Process 5076 attached [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... openat resumed>) = 3 [pid 5076] set_robust_list(0x555557388660, 24 [pid 5066] <... clone resumed>, child_tidptr=0x555557388650) = 5076 [pid 5076] <... set_robust_list resumed>) = 0 [pid 5076] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5075] <... prctl resumed>) = 0 [pid 5073] <... prctl resumed>) = 0 [pid 5075] setpgid(0, 0 [pid 5071] dup(3./strace-static-x86_64: Process 5077 attached [pid 5075] <... setpgid resumed>) = 0 [pid 5073] setpgid(0, 0 [pid 5071] <... dup resumed>) = 4 ./strace-static-x86_64: Process 5078 attached [pid 5077] set_robust_list(0x555557388660, 24 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5074] <... clone resumed>, child_tidptr=0x555557388650) = 5077 [pid 5073] <... setpgid resumed>) = 0 [pid 5071] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 70368760963072 [pid 5078] set_robust_list(0x555557388660, 24 [pid 5077] <... set_robust_list resumed>) = 0 [pid 5076] <... clone resumed>, child_tidptr=0x555557388650) = 5078 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] <... set_robust_list resumed>) = 0 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] <... openat resumed>) = 3 [pid 5073] <... openat resumed>) = 3 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5077] <... prctl resumed>) = 0 [pid 5075] write(3, "1000", 4 [pid 5073] write(3, "1000", 4 [pid 5078] <... prctl resumed>) = 0 [pid 5077] setpgid(0, 0 [pid 5075] <... write resumed>) = 4 [pid 5073] <... write resumed>) = 4 [pid 5078] setpgid(0, 0 [pid 5077] <... setpgid resumed>) = 0 [pid 5073] close(3 [pid 5078] <... setpgid resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] close(3 [pid 5073] <... close resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5073] <... openat resumed>) = 3 [pid 5075] dup(3 [pid 5073] dup(3 [pid 5075] <... dup resumed>) = 4 [pid 5073] <... dup resumed>) = 4 [pid 5075] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 70368760963072 [pid 5073] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 70368760963072 [pid 5077] <... openat resumed>) = 3 [pid 5078] <... openat resumed>) = 3 [pid 5078] write(3, "1000", 4) = 4 [pid 5077] write(3, "1000", 4 [pid 5078] close(3 [pid 5077] <... write resumed>) = 4 [pid 5078] <... close resumed>) = 0 [pid 5077] close(3 [pid 5078] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5077] <... close resumed>) = 0 [pid 5078] <... openat resumed>) = 3 [pid 5077] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME [pid 5078] dup(3) = 4 [pid 5078] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 70368760963072 [pid 5077] <... openat resumed>) = 3 [pid 5077] dup(3) = 4 [pid 5077] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 70368760963072 [pid 5067] kill(-5068, SIGKILL) = 0 [pid 5067] kill(5068, SIGKILL) = 0 [pid 5069] kill(-5071, SIGKILL) = 0 [pid 5069] kill(5071, SIGKILL) = 0 [pid 5072] kill(-5075, SIGKILL) = 0 [pid 5072] kill(5075, SIGKILL) = 0 [pid 5070] kill(-5073, SIGKILL) = 0 [pid 5070] kill(5073, SIGKILL [pid 5074] kill(-5077, SIGKILL [pid 5070] <... kill resumed>) = 0 [pid 5074] <... kill resumed>) = 0 [pid 5074] kill(5077, SIGKILL) = 0 [pid 5076] kill(-5078, SIGKILL) = 0 [pid 5076] kill(5078, SIGKILL) = 0 [pid 5072] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 5076] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5076] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5074] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] newfstatat(3, "", [pid 5076] getdents64(3, [pid 5074] <... openat resumed>) = 3 [pid 5067] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5074] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5070] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5067] getdents64(3, [pid 5076] <... getdents64 resumed>0x5555573896f0 /* 2 entries */, 32768) = 48 [pid 5074] getdents64(3, [pid 5070] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... getdents64 resumed>0x5555573896f0 /* 2 entries */, 32768) = 48 [pid 5070] newfstatat(3, "", [pid 5069] <... openat resumed>) = 3 [pid 5067] <... getdents64 resumed>0x5555573896f0 /* 2 entries */, 32768) = 48 [pid 5076] getdents64(3, [pid 5074] getdents64(3, [pid 5070] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5069] newfstatat(3, "", [pid 5067] getdents64(3, [pid 5076] <... getdents64 resumed>0x5555573896f0 /* 0 entries */, 32768) = 0 [pid 5074] <... getdents64 resumed>0x5555573896f0 /* 0 entries */, 32768) = 0 [pid 5070] getdents64(3, [pid 5069] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... getdents64 resumed>0x5555573896f0 /* 0 entries */, 32768) = 0 [pid 5076] close(3 [pid 5074] close(3 [pid 5072] newfstatat(3, "", [pid 5069] getdents64(3, [pid 5067] close(3 [pid 5076] <... close resumed>) = 0 [pid 5074] <... close resumed>) = 0 [pid 5070] <... getdents64 resumed>0x5555573896f0 /* 2 entries */, 32768) = 48 [pid 5072] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5067] <... close resumed>) = 0 [pid 5070] getdents64(3, [pid 5069] <... getdents64 resumed>0x5555573896f0 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(3, [pid 5070] <... getdents64 resumed>0x5555573896f0 /* 0 entries */, 32768) = 0 [pid 5069] getdents64(3, [pid 5070] close(3) = 0 [pid 5069] <... getdents64 resumed>0x5555573896f0 /* 0 entries */, 32768) = 0 [pid 5069] close(3) = 0 [pid 5072] <... getdents64 resumed>0x5555573896f0 /* 2 entries */, 32768) = 48 [pid 5072] getdents64(3, 0x5555573896f0 /* 0 entries */, 32768) = 0 [pid 5072] close(3) = 0 [ 86.435652][ T9] cfg80211: failed to load regulatory.db [pid 5068] <... fallocate resumed>) = ? [pid 5068] +++ killed by SIGKILL +++ [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5068, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=9264 /* 92.64 s */} --- [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached , child_tidptr=0x555557388650) = 5096 [pid 5096] set_robust_list(0x555557388660, 24) = 0 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5096] setpgid(0, 0) = 0 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5096] write(3, "1000", 4) = 4 [pid 5096] close(3) = 0 [pid 5096] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3 [pid 5096] dup(3) = 4 [pid 5096] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 0, 70368760963072 [pid 5067] kill(-5096, SIGKILL) = 0 [pid 5067] kill(5096, SIGKILL) = 0 [pid 5067] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5067] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5067] getdents64(3, 0x5555573896f0 /* 2 entries */, 32768) = 48 [pid 5067] getdents64(3, 0x5555573896f0 /* 0 entries */, 32768) = 0 [pid 5067] close(3) = 0 [ 286.087141][ T29] INFO: task syz-executor974:5073 blocked for more than 143 seconds. [ 286.095852][ T29] Not tainted 6.8.0-rc6-syzkaller #0 [ 286.102449][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.111953][ T29] task:syz-executor974 state:D stack:26800 pid:5073 tgid:5073 ppid:5070 flags:0x00004006 [ 286.122703][ T29] Call Trace: [ 286.126470][ T29] [ 286.129477][ T29] __schedule+0x17d1/0x49f0 [ 286.134110][ T29] ? srso_return_thunk+0x5/0x5f [ 286.139535][ T29] ? __pfx___schedule+0x10/0x10 [ 286.144447][ T29] ? __pfx_lock_release+0x10/0x10 [ 286.150010][ T29] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 286.156499][ T29] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.163234][ T29] ? _raw_spin_lock_irq+0xdf/0x120 [ 286.168436][ T29] ? schedule+0x8e/0x260 [ 286.172733][ T29] schedule+0x149/0x260 [ 286.176975][ T29] schedule_preempt_disabled+0x13/0x30 [ 286.182493][ T29] rwsem_down_write_slowpath+0xeea/0x13b0 [ 286.188328][ T29] ? rwsem_down_write_slowpath+0xa05/0x13b0 [ 286.194755][ T29] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.201524][ T29] ? __pfx_lock_acquire+0x10/0x10 [ 286.207480][ T29] __down_write_common+0x1ae/0x200 [ 286.212646][ T29] ? __pfx___down_write_common+0x10/0x10 [ 286.219590][ T29] ? srso_return_thunk+0x5/0x5f [ 286.224946][ T29] blkdev_fallocate+0x22a/0x580 [ 286.230304][ T29] vfs_fallocate+0x566/0x6c0 [ 286.235384][ T29] __x64_sys_fallocate+0xbd/0x110 [ 286.240928][ T29] do_syscall_64+0xfb/0x240 [ 286.245492][ T29] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 286.251765][ T29] RIP: 0033:0x7f68c0ca9b29 [ 286.256207][ T29] RSP: 002b:00007ffcf0fe8278 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.264697][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f68c0ca9b29 [ 286.273229][ T29] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.281708][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.290489][ T29] R10: 0000400001002000 R11: 0000000000000246 R12: 0000000000000001 [ 286.298966][ T29] R13: 00007ffcf0fe8498 R14: 00007ffcf0fe82a0 R15: 00007ffcf0fe8290 [ 286.308790][ T29] [ 286.312152][ T29] INFO: task syz-executor974:5075 blocked for more than 143 seconds. [ 286.325075][ T29] Not tainted 6.8.0-rc6-syzkaller #0 [ 286.387186][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.396052][ T29] task:syz-executor974 state:D stack:26968 pid:5075 tgid:5075 ppid:5072 flags:0x00004006 [ 286.447064][ T29] Call Trace: [ 286.450814][ T29] [ 286.456160][ T29] __schedule+0x17d1/0x49f0 [ 286.474874][ T29] ? srso_return_thunk+0x5/0x5f [ 286.491830][ T29] ? __pfx___schedule+0x10/0x10 [ 286.504801][ T29] ? __pfx_lock_release+0x10/0x10 [ 286.514405][ T29] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 286.520617][ T29] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.527037][ T29] ? _raw_spin_lock_irq+0xdf/0x120 [ 286.535669][ T29] ? schedule+0x8e/0x260 [ 286.545943][ T29] schedule+0x149/0x260 [ 286.550219][ T29] schedule_preempt_disabled+0x13/0x30 [ 286.555717][ T29] rwsem_down_write_slowpath+0xeea/0x13b0 [ 286.562449][ T29] ? rwsem_down_write_slowpath+0xa05/0x13b0 [ 286.568480][ T29] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.574690][ T29] ? __pfx_lock_acquire+0x10/0x10 [ 286.579856][ T29] __down_write_common+0x1ae/0x200 [ 286.585040][ T29] ? __pfx___down_write_common+0x10/0x10 [ 286.590791][ T29] ? srso_return_thunk+0x5/0x5f [ 286.596194][ T29] blkdev_fallocate+0x22a/0x580 [ 286.601653][ T29] vfs_fallocate+0x566/0x6c0 [ 286.606773][ T29] __x64_sys_fallocate+0xbd/0x110 [ 286.612381][ T29] do_syscall_64+0xfb/0x240 [ 286.617465][ T29] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 286.623946][ T29] RIP: 0033:0x7f68c0ca9b29 [ 286.628911][ T29] RSP: 002b:00007ffcf0fe8278 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.637839][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f68c0ca9b29 [ 286.645843][ T29] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.653889][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.662337][ T29] R10: 0000400001002000 R11: 0000000000000246 R12: 0000000000000001 [ 286.671305][ T29] R13: 00007ffcf0fe8498 R14: 00007ffcf0fe82a0 R15: 00007ffcf0fe8290 [ 286.679812][ T29] [ 286.683305][ T29] INFO: task syz-executor974:5077 blocked for more than 143 seconds. [ 286.698785][ T29] Not tainted 6.8.0-rc6-syzkaller #0 [ 286.705037][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.714171][ T29] task:syz-executor974 state:D stack:26128 pid:5077 tgid:5077 ppid:5074 flags:0x00004006 [ 286.724407][ T29] Call Trace: [ 286.727745][ T29] [ 286.730700][ T29] __schedule+0x17d1/0x49f0 [ 286.735273][ T29] ? srso_return_thunk+0x5/0x5f [ 286.740653][ T29] ? __pfx___schedule+0x10/0x10 [ 286.745974][ T29] ? __pfx_lock_release+0x10/0x10 [ 286.751074][ T29] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 286.757565][ T29] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.764358][ T29] ? _raw_spin_lock_irq+0xdf/0x120 [ 286.769988][ T29] ? schedule+0x8e/0x260 [ 286.774710][ T29] schedule+0x149/0x260 [ 286.779631][ T29] schedule_preempt_disabled+0x13/0x30 [ 286.785391][ T29] rwsem_down_write_slowpath+0xeea/0x13b0 [ 286.791654][ T29] ? rwsem_down_write_slowpath+0xa05/0x13b0 [ 286.797639][ T29] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 286.804717][ T29] ? __pfx_lock_acquire+0x10/0x10 [ 286.810005][ T29] __down_write_common+0x1ae/0x200 [ 286.815596][ T29] ? __pfx___down_write_common+0x10/0x10 [ 286.821723][ T29] ? srso_return_thunk+0x5/0x5f [ 286.826653][ T29] blkdev_fallocate+0x22a/0x580 [ 286.832162][ T29] vfs_fallocate+0x566/0x6c0 [ 286.837409][ T29] __x64_sys_fallocate+0xbd/0x110 [ 286.843042][ T29] do_syscall_64+0xfb/0x240 [ 286.848156][ T29] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 286.854547][ T29] RIP: 0033:0x7f68c0ca9b29 [ 286.859566][ T29] RSP: 002b:00007ffcf0fe8278 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.868068][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f68c0ca9b29 [ 286.876074][ T29] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 286.884119][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.893192][ T29] R10: 0000400001002000 R11: 0000000000000246 R12: 0000000000000001 [ 286.901793][ T29] R13: 00007ffcf0fe8498 R14: 00007ffcf0fe82a0 R15: 00007ffcf0fe8290 [ 286.910373][ T29] [ 286.913926][ T29] INFO: task syz-executor974:5078 blocked for more than 144 seconds. [ 286.932177][ T29] Not tainted 6.8.0-rc6-syzkaller #0 [ 286.938098][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.946808][ T29] task:syz-executor974 state:D stack:26352 pid:5078 tgid:5078 ppid:5076 flags:0x00004006 [ 286.957768][ T29] Call Trace: [ 286.961098][ T29] [ 286.964716][ T29] __schedule+0x17d1/0x49f0 [ 286.969841][ T29] ? srso_return_thunk+0x5/0x5f [ 286.975175][ T29] ? __pfx___schedule+0x10/0x10 [ 286.980121][ T29] ? __pfx_lock_release+0x10/0x10 [ 286.985227][ T29] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 286.991305][ T29] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 286.998045][ T29] ? _raw_spin_lock_irq+0xdf/0x120 [ 287.003498][ T29] ? schedule+0x8e/0x260 [ 287.007828][ T29] schedule+0x149/0x260 [ 287.012033][ T29] schedule_preempt_disabled+0x13/0x30 [ 287.017609][ T29] rwsem_down_write_slowpath+0xeea/0x13b0 [ 287.023824][ T29] ? rwsem_down_write_slowpath+0xa05/0x13b0 [ 287.030426][ T29] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 287.036677][ T29] ? __pfx_lock_acquire+0x10/0x10 [ 287.042265][ T29] __down_write_common+0x1ae/0x200 [ 287.047509][ T29] ? __pfx___down_write_common+0x10/0x10 [ 287.053704][ T29] ? srso_return_thunk+0x5/0x5f [ 287.059165][ T29] blkdev_fallocate+0x22a/0x580 [ 287.064112][ T29] vfs_fallocate+0x566/0x6c0 [ 287.068851][ T29] __x64_sys_fallocate+0xbd/0x110 [ 287.074448][ T29] do_syscall_64+0xfb/0x240 [ 287.079592][ T29] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 287.086121][ T29] RIP: 0033:0x7f68c0ca9b29 [ 287.090644][ T29] RSP: 002b:00007ffcf0fe8278 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.099159][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f68c0ca9b29 [ 287.107806][ T29] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.116379][ T29] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.125003][ T29] R10: 0000400001002000 R11: 0000000000000246 R12: 0000000000000001 [ 287.133627][ T29] R13: 00007ffcf0fe8498 R14: 00007ffcf0fe82a0 R15: 00007ffcf0fe8290 [ 287.142270][ T29] [ 287.145874][ T29] [ 287.145874][ T29] Showing all locks held in the system: [ 287.157476][ T29] 1 lock held by khungtaskd/29: [ 287.162401][ T29] #0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 287.187003][ T29] 1 lock held by klogd/4506: [ 287.191677][ T29] 2 locks held by getty/4819: [ 287.196391][ T29] #0: ffff88802ff880a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.273985][ T29] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 [ 287.298376][ T29] 1 lock held by syz-executor974/5071: [ 287.303921][ T29] 1 lock held by syz-executor974/5073: [ 287.329727][ T29] #0: ffff88801d1542c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x22a/0x580 [ 287.377004][ T29] 1 lock held by syz-executor974/5075: [ 287.382551][ T29] #0: ffff88801d1542c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x22a/0x580 [ 287.393766][ T29] 1 lock held by syz-executor974/5077: [ 287.399731][ T29] #0: ffff88801d1542c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x22a/0x580 [ 287.410964][ T29] 1 lock held by syz-executor974/5078: [ 287.416908][ T29] #0: ffff88801d1542c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x22a/0x580 [ 287.428107][ T29] 1 lock held by syz-executor974/5096: [ 287.434010][ T29] #0: ffff88801d1542c0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x22a/0x580 [ 287.445204][ T29] [ 287.447988][ T29] ============================================= [ 287.447988][ T29] [ 287.456418][ T29] NMI backtrace for cpu 0 [ 287.460761][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc6-syzkaller #0 [ 287.468853][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 287.478928][ T29] Call Trace: [ 287.482221][ T29] [ 287.485155][ T29] dump_stack_lvl+0x1e7/0x2e0 [ 287.489868][ T29] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.495103][ T29] ? __pfx__printk+0x10/0x10 [ 287.501621][ T29] ? vprintk_emit+0x607/0x720 [ 287.506313][ T29] ? __pfx_vprintk_emit+0x10/0x10 [ 287.511357][ T29] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.516318][ T29] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.521787][ T29] ? _printk+0xd5/0x120 [ 287.525961][ T29] ? __pfx__printk+0x10/0x10 [ 287.530572][ T29] ? __wake_up_klogd+0xcc/0x110 [ 287.535441][ T29] ? __pfx__printk+0x10/0x10 [ 287.540064][ T29] ? srso_return_thunk+0x5/0x5f [ 287.544994][ T29] ? __rcu_read_unlock+0xa0/0x110 [ 287.550105][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.556141][ T29] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.562168][ T29] watchdog+0xfaf/0xff0 [ 287.566359][ T29] ? watchdog+0x1e9/0xff0 [ 287.570740][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.575465][ T29] kthread+0x2f1/0x390 [ 287.579577][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.584320][ T29] ? __pfx_kthread+0x10/0x10 [ 287.588972][ T29] ret_from_fork+0x4d/0x80 [ 287.593451][ T29] ? __pfx_kthread+0x10/0x10 [ 287.598084][ T29] ret_from_fork_asm+0x1b/0x30 [ 287.602926][ T29] [ 287.606249][ T29] Sending NMI from CPU 0 to CPUs 1: [ 287.611604][ C1] NMI backtrace for cpu 1 [ 287.611626][ C1] CPU: 1 PID: 5071 Comm: syz-executor974 Not tainted 6.8.0-rc6-syzkaller #0 [ 287.611649][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 287.611662][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x8/0x90 [ 287.611713][ C1] Code: 0a 20 e9 8b bf de 09 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 4c 8b 04 24 <65> 48 8b 0d c0 4c 70 7e 65 8b 05 c1 4c 70 7e a9 00 01 ff 00 74 10 [ 287.611732][ C1] RSP: 0018:ffffc900001f0778 EFLAGS: 00000246 [ 287.611751][ C1] RAX: ffffffff8132e55f RBX: 0000000000000000 RCX: 0000000000000002 [ 287.611765][ C1] RDX: 0000000080000101 RSI: 0000000000000000 RDI: 0000000000000000 [ 287.611778][ C1] RBP: 0000000000000004 R08: ffffffff8132e577 R09: 0000000000000000 [ 287.611792][ C1] R10: ffffc900001f0820 R11: fffff5200003e110 R12: 0000000000000002 [ 287.611806][ C1] R13: ffff8880112fbb80 R14: ffffc900001f0840 R15: ffffc900001f0820 [ 287.611827][ C1] FS: 0000555557388380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 287.611846][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.611860][ C1] CR2: 000055b994490680 CR3: 0000000028d64000 CR4: 0000000000350ef0 [ 287.611877][ C1] Call Trace: [ 287.611885][ C1] [ 287.611894][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.611922][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.611971][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.611995][ C1] ? nmi_handle+0x2a/0x580 [ 287.612030][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.612056][ C1] ? nmi_handle+0x151/0x580 [ 287.612076][ C1] ? nmi_handle+0x2a/0x580 [ 287.612098][ C1] ? __sanitizer_cov_trace_const_cmp8+0x8/0x90 [ 287.612132][ C1] ? default_do_nmi+0x63/0x160 [ 287.612159][ C1] ? exc_nmi+0x123/0x1f0 [ 287.612196][ C1] ? end_repeat_nmi+0xf/0x60 [ 287.612229][ C1] ? get_stack_info+0x87/0x180 [ 287.612263][ C1] ? get_stack_info+0x6f/0x180 [ 287.612295][ C1] ? __sanitizer_cov_trace_const_cmp8+0x8/0x90 [ 287.612329][ C1] ? __sanitizer_cov_trace_const_cmp8+0x8/0x90 [ 287.612364][ C1] ? __sanitizer_cov_trace_const_cmp8+0x8/0x90 [ 287.612399][ C1] [ 287.612405][ C1] [ 287.612411][ C1] get_stack_info+0x87/0x180 [ 287.612444][ C1] __unwind_start+0x485/0x7a0 [ 287.612482][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 287.612514][ C1] arch_stack_walk+0x102/0x1b0 [ 287.612541][ C1] ? __unwind_start+0x2c0/0x7a0 [ 287.612576][ C1] stack_trace_save+0x117/0x1d0 [ 287.612605][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 287.612636][ C1] ? srso_return_thunk+0x5/0x5f [ 287.612666][ C1] save_stack+0xfa/0x1f0 [ 287.612692][ C1] ? __lock_acquire+0x1345/0x1fd0 [ 287.612727][ C1] ? __pfx_save_stack+0x10/0x10 [ 287.612762][ C1] ? page_ext_get+0x20/0x2a0 [ 287.612784][ C1] ? srso_return_thunk+0x5/0x5f [ 287.612808][ C1] __reset_page_owner+0x44/0x2d0 [ 287.612837][ C1] free_unref_page_prepare+0x968/0xa90 [ 287.612869][ C1] free_unref_page+0x37/0x3f0 [ 287.612893][ C1] ? srso_return_thunk+0x5/0x5f [ 287.612916][ C1] ? __pfx_rcu_free_slab+0x10/0x10 [ 287.612954][ C1] ? rcu_core+0xcfc/0x1810 [ 287.612984][ C1] rcu_core+0xd78/0x1810 [ 287.613025][ C1] ? __pfx_rcu_core+0x10/0x10 [ 287.613057][ C1] ? srso_return_thunk+0x5/0x5f [ 287.613078][ C1] ? rebalance_domains+0x949/0xac0 [ 287.613114][ C1] ? srso_return_thunk+0x5/0x5f [ 287.613134][ C1] ? mark_lock+0x9a/0x350 [ 287.613157][ C1] ? srso_return_thunk+0x5/0x5f [ 287.613177][ C1] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 287.613213][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.613245][ C1] ? do_raw_spin_unlock+0x13b/0x8b0 [ 287.613280][ C1] __do_softirq+0x2bd/0x942 [ 287.613321][ C1] ? __irq_exit_rcu+0xf1/0x1c0 [ 287.613347][ C1] ? __pfx___do_softirq+0x10/0x10 [ 287.613385][ C1] ? srso_return_thunk+0x5/0x5f [ 287.613406][ C1] ? irqtime_account_irq+0xd4/0x1e0 [ 287.613435][ C1] __irq_exit_rcu+0xf1/0x1c0 [ 287.613455][ C1] ? __pfx___irq_exit_rcu+0x10/0x10 [ 287.613479][ C1] ? srso_return_thunk+0x5/0x5f [ 287.613503][ C1] irq_exit_rcu+0x9/0x30 [ 287.613520][ C1] sysvec_apic_timer_interrupt+0x97/0xb0 [ 287.613552][ C1] [ 287.613558][ C1] [ 287.613565][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 287.613587][ C1] RIP: 0010:srso_safe_ret+0x0/0x20 [ 287.613611][ C1] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 b8 <48> 8d 64 24 08 c3 cc cc 0f ae e8 e8 f0 ff ff ff 0f 0b 66 2e 0f 1f [ 287.613628][ C1] RSP: 0018:ffffc90004356f18 EFLAGS: 00000293 [ 287.613645][ C1] RAX: ffffffff814053d1 RBX: 0000000000000000 RCX: ffff8880112fbb80 [ 287.613660][ C1] RDX: 0000000000000000 RSI: ffffffff8b66ccda RDI: ffffffff8b66cbe8 [ 287.613674][ C1] RBP: 1ffff9200086ae00 R08: ffffffff81405265 R09: ffffc900043570f0 [ 287.613690][ C1] R10: 0000000000000003 R11: ffffffff818044c0 R12: ffffffff8ffcde70 [ 287.613704][ C1] R13: dffffc0000000000 R14: 1ffff9200086ae00 R15: ffffffff90a1b5d0 [ 287.613724][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 287.613753][ C1] ? unwind_next_frame+0x515/0x29e0 [ 287.613783][ C1] ? unwind_next_frame+0x681/0x29e0 [ 287.613814][ C1] ? do_syscall_64+0xfa/0x240 [ 287.613847][ C1] ? do_syscall_64+0x8/0x240 [ 287.613883][ C1] srso_return_thunk+0x5/0x5f [ 287.613904][ C1] unwind_next_frame+0x681/0x29e0 [ 287.613939][ C1] ? do_syscall_64+0xfa/0x240 [ 287.613982][ C1] ? do_syscall_64+0xfb/0x240 [ 287.614014][ C1] ? do_syscall_64+0xfb/0x240 [ 287.614047][ C1] ? __kernel_text_address+0xd/0x40 [ 287.614075][ C1] ? do_syscall_64+0xfb/0x240 [ 287.614107][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 287.614136][ C1] arch_stack_walk+0x150/0x1b0 [ 287.614162][ C1] ? do_syscall_64+0xfb/0x240 [ 287.614199][ C1] stack_trace_save+0x117/0x1d0 [ 287.614225][ C1] ? mark_lock+0x9a/0x350 [ 287.614245][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 287.614275][ C1] ? __pfx_validate_chain+0x10/0x10 [ 287.614297][ C1] ? srso_return_thunk+0x5/0x5f [ 287.614324][ C1] kasan_save_track+0x3f/0x80 [ 287.614355][ C1] ? kasan_save_track+0x3f/0x80 [ 287.614384][ C1] ? __kasan_slab_alloc+0x66/0x80 [ 287.614415][ C1] ? kmem_cache_alloc+0x16f/0x340 [ 287.614439][ C1] ? mempool_alloc+0x199/0x5a0 [ 287.614459][ C1] ? bio_alloc_bioset+0x26b/0x1400 [ 287.614483][ C1] ? bio_split+0xe6/0x430 [ 287.614506][ C1] ? bio_split_rw+0x8bc/0xab0 [ 287.614538][ C1] ? __bio_split_to_limits+0x620/0x9a0 [ 287.614568][ C1] ? blk_mq_submit_bio+0x70e/0x2460 [ 287.614599][ C1] ? __submit_bio+0x23e/0x2f0 [ 287.614630][ C1] ? submit_bio_noacct_nocheck+0x9c3/0xc70 [ 287.614657][ C1] ? blk_next_bio+0x113/0x150 [ 287.614676][ C1] ? __blkdev_issue_zero_pages+0x1d7/0x320 [ 287.614713][ C1] ? blkdev_issue_zeroout+0x2a7/0x430 [ 287.614746][ C1] ? blkdev_fallocate+0x452/0x580 [ 287.614780][ C1] ? vfs_fallocate+0x566/0x6c0 [ 287.614814][ C1] ? __x64_sys_fallocate+0xbd/0x110 [ 287.614847][ C1] ? do_syscall_64+0xfb/0x240 [ 287.614906][ C1] ? srso_return_thunk+0x5/0x5f [ 287.614930][ C1] __kasan_slab_alloc+0x66/0x80 [ 287.614971][ C1] kmem_cache_alloc+0x16f/0x340 [ 287.614995][ C1] ? mempool_alloc+0x199/0x5a0 [ 287.615016][ C1] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 287.615039][ C1] mempool_alloc+0x199/0x5a0 [ 287.615065][ C1] ? srso_return_thunk+0x5/0x5f [ 287.615090][ C1] ? __pfx_mempool_alloc+0x10/0x10 [ 287.615113][ C1] ? srso_return_thunk+0x5/0x5f [ 287.615134][ C1] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 287.615169][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.615206][ C1] bio_alloc_bioset+0x26b/0x1400 [ 287.615229][ C1] ? lockdep_hardirqs_on+0x98/0x140 [ 287.615265][ C1] bio_split+0xe6/0x430 [ 287.615294][ C1] bio_split_rw+0x8bc/0xab0 [ 287.615341][ C1] ? __pfx_bio_split_rw+0x10/0x10 [ 287.615369][ C1] ? update_io_ticks+0x265/0x2b0 [ 287.615396][ C1] ? __pfx_lock_release+0x10/0x10 [ 287.615434][ C1] __bio_split_to_limits+0x620/0x9a0 [ 287.615471][ C1] blk_mq_submit_bio+0x70e/0x2460 [ 287.615508][ C1] ? srso_return_thunk+0x5/0x5f [ 287.615531][ C1] ? __pfx_blk_mq_submit_bio+0x10/0x10 [ 287.615566][ C1] ? ktime_get+0x83/0x280 [ 287.615590][ C1] ? srso_return_thunk+0x5/0x5f [ 287.615611][ C1] ? lockdep_hardirqs_on+0x98/0x140 [ 287.615642][ C1] ? srso_return_thunk+0x5/0x5f [ 287.615663][ C1] ? seqcount_lockdep_reader_access+0x1d7/0x220 [ 287.615692][ C1] __submit_bio+0x23e/0x2f0 [ 287.615726][ C1] ? __pfx___submit_bio+0x10/0x10 [ 287.615758][ C1] ? srso_return_thunk+0x5/0x5f [ 287.615784][ C1] submit_bio_noacct_nocheck+0x9c3/0xc70 [ 287.615813][ C1] ? srso_return_thunk+0x5/0x5f [ 287.615838][ C1] ? __pfx___might_resched+0x10/0x10 [ 287.615862][ C1] ? bio_associate_blkg+0x6c/0x230 [ 287.615887][ C1] ? srso_return_thunk+0x5/0x5f [ 287.615909][ C1] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 287.615943][ C1] ? srso_return_thunk+0x5/0x5f [ 287.615969][ C1] ? should_fail_bio+0xd5/0x110 [ 287.616004][ C1] ? submit_bio+0x2a0/0x3c0 [ 287.616032][ C1] blk_next_bio+0x113/0x150 [ 287.616055][ C1] __blkdev_issue_zero_pages+0x1d7/0x320 [ 287.616097][ C1] blkdev_issue_zeroout+0x2a7/0x430 [ 287.616137][ C1] ? __pfx_blkdev_issue_zeroout+0x10/0x10 [ 287.616174][ C1] ? srso_return_thunk+0x5/0x5f [ 287.616199][ C1] ? __pfx_truncate_bdev_range+0x10/0x10 [ 287.616228][ C1] ? srso_return_thunk+0x5/0x5f [ 287.616252][ C1] ? srso_return_thunk+0x5/0x5f [ 287.616273][ C1] ? truncate_bdev_range+0x12e/0x140 [ 287.616304][ C1] blkdev_fallocate+0x452/0x580 [ 287.616345][ C1] vfs_fallocate+0x566/0x6c0 [ 287.616383][ C1] __x64_sys_fallocate+0xbd/0x110 [ 287.616420][ C1] do_syscall_64+0xfb/0x240 [ 287.616458][ C1] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 287.616496][ C1] RIP: 0033:0x7f68c0ca9b29 [ 287.616515][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 287.616532][ C1] RSP: 002b:00007ffcf0fe8278 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 287.616552][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f68c0ca9b29 [ 287.616566][ C1] RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000000000000004 [ 287.616578][ C1] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.616591][ C1] R10: 0000400001002000 R11: 0000000000000246 R12: 0000000000000001 [ 287.616605][ C1] R13: 00007ffcf0fe8498 R14: 00007ffcf0fe82a0 R15: 00007ffcf0fe8290 [ 287.616632][ C1] [ 287.616642][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 5.039 msecs [ 287.686996][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 287.687022][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc6-syzkaller #0 [ 287.687048][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 287.687062][ T29] Call Trace: [ 287.687072][ T29] [ 287.687083][ T29] dump_stack_lvl+0x1e7/0x2e0 [ 287.687142][ T29] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.687179][ T29] ? __pfx__printk+0x10/0x10 [ 287.687214][ T29] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 287.687265][ T29] ? srso_return_thunk+0x5/0x5f [ 287.687291][ T29] ? vscnprintf+0x5d/0x90 [ 287.687321][ T29] panic+0x349/0x860 [ 287.687354][ T29] ? srso_return_thunk+0x5/0x5f [ 287.687380][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.687410][ T29] ? __pfx_panic+0x10/0x10 [ 287.687441][ T29] ? tick_nohz_tick_stopped+0x7b/0xc0 [ 287.687473][ T29] ? srso_return_thunk+0x5/0x5f [ 287.687496][ T29] ? __irq_work_queue_local+0x137/0x3e0 [ 287.687531][ T29] ? srso_return_thunk+0x5/0x5f [ 287.687554][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 287.687582][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.687610][ T29] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 287.687640][ T29] ? srso_return_thunk+0x5/0x5f [ 287.687663][ T29] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 287.687694][ T29] watchdog+0xfee/0xff0 [ 287.687739][ T29] ? watchdog+0x1e9/0xff0 [ 287.687782][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.687817][ T29] kthread+0x2f1/0x390 [ 287.687846][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.687881][ T29] ? __pfx_kthread+0x10/0x10 [ 287.687908][ T29] ret_from_fork+0x4d/0x80 [ 287.687947][ T29] ? __pfx_kthread+0x10/0x10 [ 287.687973][ T29] ret_from_fork_asm+0x1b/0x30 [ 287.688030][ T29] [ 287.689344][ T29] Kernel Offset: disabled [ 288.827266][ T29] Rebooting in 86400 seconds..