./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2114769774
<...>
Warning: Permanently added '10.128.1.46' (ED25519) to the list of known hosts.
execve("./syz-executor2114769774", ["./syz-executor2114769774"], 0x7ffd642c98d0 /* 10 vars */) = 0
brk(NULL) = 0x55557ad71000
brk(0x55557ad71d00) = 0x55557ad71d00
arch_prctl(ARCH_SET_FS, 0x55557ad71380) = 0
set_tid_address(0x55557ad71650) = 5835
set_robust_list(0x55557ad71660, 24) = 0
rseq(0x55557ad71ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2114769774", 4096) = 28
getrandom("\x1e\x38\x25\x04\xf7\x34\x64\xc1", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55557ad71d00
brk(0x55557ad92d00) = 0x55557ad92d00
brk(0x55557ad93000) = 0x55557ad93000
mprotect(0x7ff2d3a99000, 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 5836 attached
<unfinished ...>
[pid 5836] set_robust_list(0x55557ad71660, 24 <unfinished ...>
[pid 5835] <... clone resumed>, child_tidptr=0x55557ad71650) = 5836
[pid 5836] <... set_robust_list resumed>) = 0
[pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5837 attached
./strace-static-x86_64: Process 5838 attached
<unfinished ...>
[pid 5837] set_robust_list(0x55557ad71660, 24 <unfinished ...>
[pid 5836] <... clone resumed>, child_tidptr=0x55557ad71650) = 5837
[pid 5838] set_robust_list(0x55557ad71660, 24 <unfinished ...>
[pid 5837] <... set_robust_list resumed>) = 0
[pid 5835] <... clone resumed>, child_tidptr=0x55557ad71650) = 5838
[pid 5838] <... set_robust_list resumed>) = 0
[pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5837] <... prctl resumed>) = 0
./strace-static-x86_64: Process 5839 attached
[pid 5837] setpgid(0, 0./strace-static-x86_64: Process 5840 attached
) = 0
[pid 5840] set_robust_list(0x55557ad71660, 24 <unfinished ...>
[pid 5839] set_robust_list(0x55557ad71660, 24 <unfinished ...>
[pid 5835] <... clone resumed>, child_tidptr=0x55557ad71650) = 5839
[pid 5839] <... set_robust_list resumed>) = 0
[pid 5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5840] <... set_robust_list resumed>) = 0
[pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5838] <... clone resumed>, child_tidptr=0x55557ad71650) = 5840
[pid 5837] <... openat resumed>) = 3
[pid 5840] <... prctl resumed>) = 0
[pid 5837] write(3, "1000", 4./strace-static-x86_64: Process 5842 attached
./strace-static-x86_64: Process 5841 attached
<unfinished ...>
[pid 5840] setpgid(0, 0) = 0
[pid 5835] <... clone resumed>, child_tidptr=0x55557ad71650) = 5841
[pid 5842] set_robust_list(0x55557ad71660, 24 <unfinished ...>
[pid 5839] <... clone resumed>, child_tidptr=0x55557ad71650) = 5842
[pid 5837] <... write resumed>) = 4
[pid 5841] set_robust_list(0x55557ad71660, 24 <unfinished ...>
[pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5837] close(3executing program
) = 0
[pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5842] <... set_robust_list resumed>) = 0
[pid 5841] <... set_robust_list resumed>) = 0
[pid 5837] write(1, "executing program\n", 18 <unfinished ...>
[pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5837] <... write resumed>) = 18
[pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5837] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3
./strace-static-x86_64: Process 5843 attached
./strace-static-x86_64: Process 5844 attached
[pid 5835] <... clone resumed>, child_tidptr=0x55557ad71650) = 5843
[pid 5842] <... prctl resumed>) = 0
[pid 5840] <... openat resumed>) = 3
[pid 5837] dup(3 <unfinished ...>
[pid 5844] set_robust_list(0x55557ad71660, 24 <unfinished ...>
[pid 5842] setpgid(0, 0 <unfinished ...>
[pid 5841] <... clone resumed>, child_tidptr=0x55557ad71650) = 5844
[pid 5840] write(3, "1000", 4 <unfinished ...>
[pid 5837] <... dup resumed>) = 4
[pid 5844] <... set_robust_list resumed>) = 0
[pid 5843] set_robust_list(0x55557ad71660, 24 <unfinished ...>
[pid 5840] <... write resumed>) = 4
[pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5843] <... set_robust_list resumed>) = 0
[pid 5842] <... setpgid resumed>) = 0
[pid 5840] close(3executing program
<unfinished ...>
[pid 5837] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 9007199271526400 <unfinished ...>
[pid 5844] <... prctl resumed>) = 0
[pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5840] <... close resumed>) = 0
[pid 5844] setpgid(0, 0 <unfinished ...>
[pid 5842] <... openat resumed>) = 3
[pid 5840] write(1, "executing program\n", 18 <unfinished ...>
[pid 5844] <... setpgid resumed>) = 0
[pid 5840] <... write resumed>) = 18
./strace-static-x86_64: Process 5845 attached
[pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5840] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3
[pid 5845] set_robust_list(0x55557ad71660, 24 <unfinished ...>
[pid 5844] <... openat resumed>) = 3
[pid 5842] write(3, "1000", 4 <unfinished ...>
[pid 5840] dup(3 <unfinished ...>
[pid 5845] <... set_robust_list resumed>) = 0
[pid 5844] write(3, "1000", 4 <unfinished ...>
[pid 5843] <... clone resumed>, child_tidptr=0x55557ad71650) = 5845
[pid 5840] <... dup resumed>) = 4
[pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 5844] <... write resumed>) = 4
[pid 5842] <... write resumed>) = 4
[pid 5840] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 9007199271526400 <unfinished ...>
[pid 5845] <... prctl resumed>) = 0
[pid 5845] setpgid(0, 0 <unfinished ...>
[pid 5844] close(3 <unfinished ...>
[pid 5842] close(3 <unfinished ...>
[pid 5845] <... setpgid resumed>) = 0
[pid 5844] <... close resumed>) = 0
[pid 5842] <... close resumed>) = 0
executing program
[pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid 5844] write(1, "executing program\n", 18executing program
<unfinished ...>
[pid 5842] write(1, "executing program\n", 18 <unfinished ...>
[pid 5845] <... openat resumed>) = 3
[pid 5844] <... write resumed>) = 18
[pid 5842] <... write resumed>) = 18
[pid 5845] write(3, "1000", 4 <unfinished ...>
[pid 5844] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME <unfinished ...>
[pid 5845] <... write resumed>) = 4
[pid 5842] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME <unfinished ...>
[pid 5845] close(3) = 0
[pid 5844] <... openat resumed>) = 3
[pid 5842] <... openat resumed>) = 3
[pid 5845] write(1, "executing program\n", 18executing program
<unfinished ...>
[pid 5844] dup(3 <unfinished ...>
[pid 5842] dup(3 <unfinished ...>
[pid 5845] <... write resumed>) = 18
[pid 5844] <... dup resumed>) = 4
[pid 5842] <... dup resumed>) = 4
[pid 5845] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME <unfinished ...>
[pid 5844] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 9007199271526400 <unfinished ...>
[pid 5842] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 9007199271526400 <unfinished ...>
[pid 5845] <... openat resumed>) = 3
[pid 5845] dup(3) = 4
[pid 5845] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 9007199271526400 <unfinished ...>
[pid 5836] kill(-5837, SIGKILL) = 0
[pid 5838] kill(-5840, SIGKILL <unfinished ...>
[pid 5836] kill(5837, SIGKILL <unfinished ...>
[pid 5838] <... kill resumed>) = 0
[pid 5836] <... kill resumed>) = 0
[pid 5838] kill(5840, SIGKILL) = 0
[pid 5839] kill(-5842, SIGKILL) = 0
[pid 5839] kill(5842, SIGKILL) = 0
[pid 5843] kill(-5845, SIGKILL) = 0
[pid 5841] kill(-5844, SIGKILL <unfinished ...>
[pid 5843] kill(5845, SIGKILL <unfinished ...>
[pid 5841] <... kill resumed>) = 0
[pid 5841] kill(5844, SIGKILL <unfinished ...>
[pid 5843] <... kill resumed>) = 0
[pid 5841] <... kill resumed>) = 0
[pid 5836] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5843] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5839] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5838] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5839] <... openat resumed>) = 3
[pid 5839] newfstatat(3, "", <unfinished ...>
[pid 5836] <... openat resumed>) = 3
[pid 5839] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid 5836] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid 5836] getdents64(3, 0x55557ad726f0 /* 2 entries */, 32768) = 48
[pid 5843] <... openat resumed>) = 3
[pid 5839] getdents64(3, <unfinished ...>
[pid 5836] getdents64(3, <unfinished ...>
[pid 5843] newfstatat(3, "", <unfinished ...>
[pid 5839] <... getdents64 resumed>0x55557ad726f0 /* 2 entries */, 32768) = 48
[pid 5838] newfstatat(3, "", <unfinished ...>
[pid 5836] <... getdents64 resumed>0x55557ad726f0 /* 0 entries */, 32768) = 0
[pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid 5839] getdents64(3, <unfinished ...>
[pid 5836] close(3 <unfinished ...>
[pid 5838] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid 5839] <... getdents64 resumed>0x55557ad726f0 /* 0 entries */, 32768) = 0
[pid 5836] <... close resumed>) = 0
[pid 5839] close(3 <unfinished ...>
[pid 5843] getdents64(3, <unfinished ...>
[pid 5841] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY <unfinished ...>
[pid 5839] <... close resumed>) = 0
[pid 5838] getdents64(3, <unfinished ...>
[pid 5841] <... openat resumed>) = 3
[pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid 5843] <... getdents64 resumed>0x55557ad726f0 /* 2 entries */, 32768) = 48
[pid 5841] getdents64(3, 0x55557ad726f0 /* 2 entries */, 32768) = 48
[pid 5841] getdents64(3, 0x55557ad726f0 /* 0 entries */, 32768) = 0
[pid 5841] close(3) = 0
[pid 5838] <... getdents64 resumed>0x55557ad726f0 /* 2 entries */, 32768) = 48
[pid 5838] getdents64(3, 0x55557ad726f0 /* 0 entries */, 32768) = 0
[pid 5843] getdents64(3, 0x55557ad726f0 /* 0 entries */, 32768) = 0
[pid 5838] close(3 <unfinished ...>
[pid 5843] close(3 <unfinished ...>
[pid 5838] <... close resumed>) = 0
[pid 5843] <... close resumed>) = 0
[pid 5837] <... fallocate resumed>) = ?
[pid 5837] +++ killed by SIGKILL +++
[pid 5836] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5837, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=9840 /* 98.40 s */} ---
[pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5852 attached
<unfinished ...>
[pid 5852] set_robust_list(0x55557ad71660, 24 <unfinished ...>
[pid 5836] <... clone resumed>, child_tidptr=0x55557ad71650) = 5852
[pid 5852] <... set_robust_list resumed>) = 0
[pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5852] setpgid(0, 0) = 0
[pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5852] write(3, "1000", 4) = 4
[pid 5852] close(3) = 0
[pid 5852] write(1, "executing program\n", 18executing program
) = 18
[pid 5852] openat(AT_FDCWD, "/dev/nullb0", O_RDWR|O_NONBLOCK|O_SYNC|O_LARGEFILE|O_NOATIME) = 3
[pid 5852] dup(3) = 4
[pid 5852] fallocate(4, FALLOC_FL_KEEP_SIZE|FALLOC_FL_ZERO_RANGE, 3072, 9007199271526400 <unfinished ...>
[pid 5836] kill(-5852, SIGKILL) = 0
[pid 5836] kill(5852, SIGKILL) = 0
[pid 5836] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5836] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid 5836] getdents64(3, 0x55557ad726f0 /* 2 entries */, 32768) = 48
[pid 5836] getdents64(3, 0x55557ad726f0 /* 0 entries */, 32768) = 0
[pid 5836] close(3) = 0
[ 286.688997][ T30] INFO: task syz-executor211:5842 blocked for more than 143 seconds.
[ 286.697348][ T30] Not tainted 6.13.0-rc3-syzkaller-00062-gc061cf420ded #0
[ 286.718970][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.738230][ T30] task:syz-executor211 state:D stack:26648 pid:5842 tgid:5842 ppid:5839 flags:0x00004006
[ 286.749261][ T30] Call Trace:
[ 286.752565][ T30] <TASK>
[ 286.755518][ T30] __schedule+0x17fb/0x4be0
[ 286.760186][ T30] ? __pfx___schedule+0x10/0x10
[ 286.765070][ T30] ? __pfx_lock_release+0x10/0x10
[ 286.787548][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 286.793589][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 286.808288][ T30] ? _raw_spin_lock_irq+0xdf/0x120
[ 286.813462][ T30] ? schedule+0x90/0x320
[ 286.819137][ T30] schedule+0x14b/0x320
[ 286.832832][ T30] schedule_preempt_disabled+0x13/0x30
[ 286.845241][ T30] rwsem_down_write_slowpath+0xeee/0x13b0
[ 286.854853][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0
[ 286.862748][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 286.870724][ T30] ? __pfx_lock_acquire+0x10/0x10
[ 286.877119][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 286.884828][ T30] down_write+0x1d7/0x220
[ 286.890989][ T30] ? __pfx_down_write+0x10/0x10
[ 286.897212][ T30] ? _raw_spin_unlock_irq+0x23/0x50
[ 286.904302][ T30] blkdev_fallocate+0x20e/0x490
[ 286.927200][ T30] vfs_fallocate+0x569/0x6e0
[ 286.934152][ T30] __x64_sys_fallocate+0xbc/0x110
[ 286.940942][ T30] do_syscall_64+0xf3/0x230
[ 286.946719][ T30] ? clear_bhb_loop+0x35/0x90
[ 286.953197][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.960895][ T30] RIP: 0033:0x7ff2d3a26b29
[ 286.966735][ T30] RSP: 002b:00007ffcba6dced8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[ 286.977028][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff2d3a26b29
[ 286.986767][ T30] RDX: 0000000000000c00 RSI: 0000000000000011 RDI: 0000000000000004
[ 287.010606][ T30] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
[ 287.019535][ T30] R10: 0020000001002000 R11: 0000000000000246 R12: 0000000000000001
[ 287.028436][ T30] R13: 00007ffcba6dd0f8 R14: 00007ffcba6dcf00 R15: 00007ffcba6dcef0
[ 287.037239][ T30] </TASK>
[ 287.041253][ T30] INFO: task syz-executor211:5844 blocked for more than 143 seconds.
[ 287.050383][ T30] Not tainted 6.13.0-rc3-syzkaller-00062-gc061cf420ded #0
[ 287.058085][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 287.068752][ T30] task:syz-executor211 state:D stack:26784 pid:5844 tgid:5844 ppid:5841 flags:0x00004006
[ 287.080449][ T30] Call Trace:
[ 287.102761][ T30] <TASK>
[ 287.107366][ T30] __schedule+0x17fb/0x4be0
[ 287.113343][ T30] ? __pfx___schedule+0x10/0x10
[ 287.119905][ T30] ? __pfx_lock_release+0x10/0x10
[ 287.126666][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 287.134104][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 287.142212][ T30] ? _raw_spin_lock_irq+0xdf/0x120
[ 287.149097][ T30] ? schedule+0x90/0x320
[ 287.172899][ T30] schedule+0x14b/0x320
[ 287.177115][ T30] schedule_preempt_disabled+0x13/0x30
[ 287.182683][ T30] rwsem_down_write_slowpath+0xeee/0x13b0
[ 287.188471][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0
[ 287.194411][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 287.200729][ T30] ? __pfx_lock_acquire+0x10/0x10
[ 287.206710][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 287.213804][ T30] down_write+0x1d7/0x220
[ 287.219380][ T30] ? __pfx_down_write+0x10/0x10
[ 287.225118][ T30] ? _raw_spin_unlock_irq+0x23/0x50
[ 287.231367][ T30] blkdev_fallocate+0x20e/0x490
[ 287.237202][ T30] vfs_fallocate+0x569/0x6e0
[ 287.242866][ T30] __x64_sys_fallocate+0xbc/0x110
[ 287.248899][ T30] do_syscall_64+0xf3/0x230
[ 287.253544][ T30] ? clear_bhb_loop+0x35/0x90
[ 287.258334][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.264259][ T30] RIP: 0033:0x7ff2d3a26b29
[ 287.268738][ T30] RSP: 002b:00007ffcba6dced8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[ 287.277181][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff2d3a26b29
[ 287.286672][ T30] RDX: 0000000000000c00 RSI: 0000000000000011 RDI: 0000000000000004
[ 287.295570][ T30] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
[ 287.304727][ T30] R10: 0020000001002000 R11: 0000000000000246 R12: 0000000000000001
[ 287.313763][ T30] R13: 00007ffcba6dd0f8 R14: 00007ffcba6dcf00 R15: 00007ffcba6dcef0
[ 287.322650][ T30] </TASK>
[ 287.326541][ T30] INFO: task syz-executor211:5845 blocked for more than 143 seconds.
[ 287.357756][ T30] Not tainted 6.13.0-rc3-syzkaller-00062-gc061cf420ded #0
[ 287.365439][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 287.414597][ T30] task:syz-executor211 state:D stack:26784 pid:5845 tgid:5845 ppid:5843 flags:0x00004006
[ 287.437783][ T30] Call Trace:
[ 287.441111][ T30] <TASK>
[ 287.444073][ T30] __schedule+0x17fb/0x4be0
[ 287.463535][ T30] ? __pfx___schedule+0x10/0x10
[ 287.474557][ T30] ? __pfx_lock_release+0x10/0x10
[ 287.487526][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 287.493558][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 287.518539][ T30] ? _raw_spin_lock_irq+0xdf/0x120
[ 287.523719][ T30] ? schedule+0x90/0x320
[ 287.528070][ T30] schedule+0x14b/0x320
[ 287.532259][ T30] schedule_preempt_disabled+0x13/0x30
[ 287.537783][ T30] rwsem_down_write_slowpath+0xeee/0x13b0
[ 287.543525][ T30] ? rwsem_down_write_slowpath+0xa09/0x13b0
[ 287.550284][ T30] ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[ 287.557260][ T30] ? __pfx_lock_acquire+0x10/0x10
[ 287.563163][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 287.569989][ T30] down_write+0x1d7/0x220
[ 287.575124][ T30] ? __pfx_down_write+0x10/0x10
[ 287.580988][ T30] ? _raw_spin_unlock_irq+0x23/0x50
[ 287.587113][ T30] blkdev_fallocate+0x20e/0x490
[ 287.593135][ T30] vfs_fallocate+0x569/0x6e0
[ 287.597861][ T30] __x64_sys_fallocate+0xbc/0x110
[ 287.602919][ T30] do_syscall_64+0xf3/0x230
[ 287.607450][ T30] ? clear_bhb_loop+0x35/0x90
[ 287.612213][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.618171][ T30] RIP: 0033:0x7ff2d3a26b29
[ 287.622602][ T30] RSP: 002b:00007ffcba6dced8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[ 287.631099][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff2d3a26b29
[ 287.639131][ T30] RDX: 0000000000000c00 RSI: 0000000000000011 RDI: 0000000000000004
[ 287.647127][ T30] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
[ 287.656063][ T30] R10: 0020000001002000 R11: 0000000000000246 R12: 0000000000000001
[ 287.665368][ T30] R13: 00007ffcba6dd0f8 R14: 00007ffcba6dcf00 R15: 00007ffcba6dcef0
[ 287.674437][ T30] </TASK>
[ 287.678438][ T30]
[ 287.678438][ T30] Showing all locks held in the system:
[ 287.687151][ T30] 1 lock held by khungtaskd/30:
[ 287.719974][ T30] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0
[ 287.755994][ T30] 2 locks held by klogd/5183:
[ 287.762312][ T30] 2 locks held by getty/5573:
[ 287.767017][ T30] #0: ffff8880312e50a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 287.799488][ T30] #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00
[ 287.810575][ T30] 1 lock held by syz-executor211/5840:
[ 287.816906][ T30] 1 lock held by syz-executor211/5842:
[ 287.823287][ T30] #0: ffff888148d12bc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490
[ 287.834053][ T30] 1 lock held by syz-executor211/5844:
[ 287.839571][ T30] #0: ffff888148d12bc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490
[ 287.850322][ T30] 1 lock held by syz-executor211/5845:
[ 287.855801][ T30] #0: ffff888148d12bc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490
[ 287.867445][ T30] 1 lock held by syz-executor211/5852:
[ 287.873893][ T30] #0: ffff888148d12bc0 (mapping.invalidate_lock#2){++++}-{4:4}, at: blkdev_fallocate+0x20e/0x490
[ 287.885573][ T30]
[ 287.890858][ T30] =============================================
[ 287.890858][ T30]
[ 287.967167][ T30] NMI backtrace for cpu 1
[ 287.971560][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc3-syzkaller-00062-gc061cf420ded #0
[ 287.982076][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
[ 287.992152][ T30] Call Trace:
[ 287.995446][ T30] <TASK>
[ 287.998391][ T30] dump_stack_lvl+0x241/0x360
[ 288.003096][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 288.008316][ T30] ? __pfx__printk+0x10/0x10
[ 288.012938][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 288.017905][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 288.023380][ T30] ? _printk+0xd5/0x120
[ 288.027551][ T30] ? __pfx__printk+0x10/0x10
[ 288.032159][ T30] ? __wake_up_klogd+0xcc/0x110
[ 288.037031][ T30] ? __pfx__printk+0x10/0x10
[ 288.041639][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 288.046676][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 288.052682][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 288.058681][ T30] watchdog+0xff6/0x1040
[ 288.062939][ T30] ? watchdog+0x1ea/0x1040
[ 288.067372][ T30] ? __pfx_watchdog+0x10/0x10
[ 288.072050][ T30] kthread+0x2f0/0x390
[ 288.076120][ T30] ? __pfx_watchdog+0x10/0x10
[ 288.080793][ T30] ? __pfx_kthread+0x10/0x10
[ 288.085379][ T30] ret_from_fork+0x4b/0x80
[ 288.089787][ T30] ? __pfx_kthread+0x10/0x10
[ 288.094373][ T30] ret_from_fork_asm+0x1a/0x30
[ 288.099145][ T30] </TASK>
[ 288.102332][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 288.107597][ C0] NMI backtrace for cpu 0
[ 288.107611][ C0] CPU: 0 UID: 0 PID: 5840 Comm: syz-executor211 Not tainted 6.13.0-rc3-syzkaller-00062-gc061cf420ded #0
[ 288.107631][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
[ 288.107640][ C0] RIP: 0010:check_preemption_disabled+0x4d/0x120
[ 288.107669][ C0] Code: 91 2c 43 74 a9 ff ff ff 7f 74 26 65 48 8b 04 25 28 00 00 00 48 3b 44 24 08 0f 85 ce 00 00 00 89 d8 48 83 c4 10 5b 41 5c 41 5e <41> 5f c3 cc cc cc cc 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24
[ 288.107683][ C0] RSP: 0018:ffffc90003f6f8d0 EFLAGS: 00000086
[ 288.107698][ C0] RAX: 0000000000000000 RBX: 0000000000000246 RCX: ffffffff817ad660
[ 288.107709][ C0] RDX: 0000000000000000 RSI: ffffffff8c0aa4a0 RDI: ffffffff8c5ed9e0
[ 288.107721][ C0] RBP: ffffc90003f6fa18 R08: ffffffff90185037 R09: 1ffffffff2030a06
[ 288.107733][ C0] R10: dffffc0000000000 R11: fffffbfff2030a07 R12: 1ffff920007edf28
[ 288.107745][ C0] R13: ffffffff8497eac6 R14: ffffc90003f6f990 R15: dffffc0000000000
[ 288.107758][ C0] FS: 000055557ad71380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 288.107772][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 288.107784][ C0] CR2: 000055557ad7a6f8 CR3: 0000000071388000 CR4: 00000000003526f0
[ 288.107798][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 288.107808][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 288.107818][ C0] Call Trace:
[ 288.107824][ C0] <NMI>
[ 288.107830][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 288.107849][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 288.107868][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 288.107886][ C0] ? nmi_handle+0x2a/0x5a0
[ 288.107909][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 288.107932][ C0] ? nmi_handle+0x14f/0x5a0
[ 288.107949][ C0] ? nmi_handle+0x2a/0x5a0
[ 288.107967][ C0] ? check_preemption_disabled+0x4d/0x120
[ 288.107989][ C0] ? default_do_nmi+0x63/0x160
[ 288.108007][ C0] ? exc_nmi+0x123/0x1f0
[ 288.108023][ C0] ? end_repeat_nmi+0xf/0x53
[ 288.108038][ C0] ? pfn_valid+0xf6/0x450
[ 288.108062][ C0] ? lock_release+0xb0/0xa30
[ 288.108078][ C0] ? check_preemption_disabled+0x4d/0x120
[ 288.108102][ C0] ? check_preemption_disabled+0x4d/0x120
[ 288.108126][ C0] ? check_preemption_disabled+0x4d/0x120
[ 288.108149][ C0] </NMI>
[ 288.108155][ C0] <TASK>
[ 288.108160][ C0] lock_release+0x1bc/0xa30
[ 288.108178][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 288.108194][ C0] ? pfn_valid+0xf6/0x450
[ 288.108215][ C0] ? __pfx_lock_release+0x10/0x10
[ 288.108243][ C0] ? pfn_valid+0xf6/0x450
[ 288.108263][ C0] pfn_valid+0x3eb/0x450
[ 288.108285][ C0] bvec_try_merge_page+0xaa/0x3d0
[ 288.108312][ C0] bio_add_page+0x17e/0x640
[ 288.108337][ C0] ? __pfx_bio_add_page+0x10/0x10
[ 288.108359][ C0] ? bio_alloc_bioset+0x6d7/0x1130
[ 288.108384][ C0] __blkdev_issue_zero_pages+0x1ae/0x290
[ 288.108406][ C0] blkdev_issue_zeroout+0x5e1/0x7e0
[ 288.108428][ C0] ? __pfx_blkdev_issue_zeroout+0x10/0x10
[ 288.108447][ C0] ? __mutex_unlock_slowpath+0x21e/0x790
[ 288.108469][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 288.108498][ C0] ? __pfx_truncate_bdev_range+0x10/0x10
[ 288.108516][ C0] ? truncate_bdev_range+0xef/0x100
[ 288.108533][ C0] blkdev_fallocate+0x3dc/0x490
[ 288.108556][ C0] vfs_fallocate+0x569/0x6e0
[ 288.108579][ C0] __x64_sys_fallocate+0xbc/0x110
[ 288.108601][ C0] do_syscall_64+0xf3/0x230
[ 288.108623][ C0] ? clear_bhb_loop+0x35/0x90
[ 288.108639][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.108662][ C0] RIP: 0033:0x7ff2d3a26b29
[ 288.108676][ C0] 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
[ 288.108688][ C0] RSP: 002b:00007ffcba6dced8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[ 288.108704][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff2d3a26b29
[ 288.108716][ C0] RDX: 0000000000000c00 RSI: 0000000000000011 RDI: 0000000000000004
[ 288.108726][ C0] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0
[ 288.108736][ C0] R10: 0020000001002000 R11: 0000000000000246 R12: 0000000000000001
[ 288.108746][ C0] R13: 00007ffcba6dd0f8 R14: 00007ffcba6dcf00 R15: 00007ffcba6dcef0
[ 288.108764][ C0] </TASK>
[ 288.108771][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.174 msecs
[ 288.109670][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 288.542795][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc3-syzkaller-00062-gc061cf420ded #0
[ 288.553291][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
[ 288.563341][ T30] Call Trace:
[ 288.566614][ T30] <TASK>
[ 288.569541][ T30] dump_stack_lvl+0x241/0x360
[ 288.574219][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 288.579414][ T30] ? __pfx__printk+0x10/0x10
[ 288.584001][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 288.589986][ T30] ? vscnprintf+0x5d/0x90
[ 288.594316][ T30] panic+0x349/0x880
[ 288.598208][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 288.604355][ T30] ? __pfx_panic+0x10/0x10
[ 288.608765][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 288.614134][ T30] ? __irq_work_queue_local+0x137/0x410
[ 288.619676][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 288.625053][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 288.631215][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 288.637383][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 288.643548][ T30] watchdog+0x1035/0x1040
[ 288.647885][ T30] ? watchdog+0x1ea/0x1040
[ 288.652302][ T30] ? __pfx_watchdog+0x10/0x10
[ 288.656982][ T30] kthread+0x2f0/0x390
[ 288.661060][ T30] ? __pfx_watchdog+0x10/0x10
[ 288.665729][ T30] ? __pfx_kthread+0x10/0x10
[ 288.670315][ T30] ret_from_fork+0x4b/0x80
[ 288.674722][ T30] ? __pfx_kthread+0x10/0x10
[ 288.679303][ T30] ret_from_fork_asm+0x1a/0x30
[ 288.684089][ T30] </TASK>
[ 288.687354][ T30] Kernel Offset: disabled
[ 288.691676][ T30] Rebooting in 86400 seconds..