./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor123973580 <...> Warning: Permanently added '10.128.0.39' (ED25519) to the list of known hosts. execve("./syz-executor123973580", ["./syz-executor123973580"], 0x7ffdc16b7880 /* 10 vars */) = 0 brk(NULL) = 0x55557f576000 brk(0x55557f576d00) = 0x55557f576d00 arch_prctl(ARCH_SET_FS, 0x55557f576380) = 0 set_tid_address(0x55557f576650) = 5825 set_robust_list(0x55557f576660, 24) = 0 rseq(0x55557f576ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor123973580", 4096) = 27 getrandom("\xfa\xe0\x5e\x11\x19\xf7\x2c\x50", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557f576d00 brk(0x55557f597d00) = 0x55557f597d00 brk(0x55557f598000) = 0x55557f598000 mprotect(0x7f836c4b0000, 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 mkdir("./syzkaller.hZp2sK", 0700) = 0 chmod("./syzkaller.hZp2sK", 0777) = 0 chdir("./syzkaller.hZp2sK") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5827 attached , child_tidptr=0x55557f576650) = 5827 [pid 5827] set_robust_list(0x55557f576660, 24) = 0 [pid 5827] chdir("./0") = 0 [pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5827] setpgid(0, 0) = 0 [pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1000", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5827] write(1, "executing program\n", 18) = 18 [pid 5827] memfd_create("syzkaller", 0) = 3 [pid 5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8363e00000 [pid 5827] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5827] munmap(0x7f8363e00000, 138412032) = 0 [pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5827] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5827] close(3) = 0 [pid 5827] close(4) = 0 [pid 5827] mkdir("./file0", 0777) = 0 [ 71.184333][ T5827] loop0: detected capacity change from 0 to 32768 [ 71.264664][ T5827] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names [ 71.280942][ T5827] bcachefs (loop0): recovering from clean shutdown, journal seq 13 [ 71.302429][ T5827] bcachefs (loop0): accounting_read... done [ 71.309447][ T5827] bcachefs (loop0): alloc_read... done [ 71.315063][ T5827] bcachefs (loop0): stripes_read... done [ 71.320746][ T5827] bcachefs (loop0): snapshots_read... done [ 71.328981][ T5827] bcachefs (loop0): journal_replay... done [ 71.334904][ T5827] bcachefs (loop0): resume_logged_ops... done [ 71.341035][ T5827] bcachefs (loop0): delete_dead_inodes... done [ 71.349924][ T5827] bcachefs (loop0): going read-write [pid 5827] mount("/dev/loop0", "./file0", "bcachefs", 0, "\x10\xf7\xe7\xab\x27\x5e\x7b\x9e\xc1\x8a\x06\x63\x35\x54\xe2\xf6\xfa\xd2\xf9\xfb\xc1\x7a\x1b\x2f\xed\xc7\xf5\x95") = 0 [pid 5827] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5827] chdir("./file0") = 0 [ 71.361120][ T5827] bcachefs (loop0): done starting filesystem [pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5827] ioctl(4, LOOP_CLR_FD) = 0 [pid 5827] close(4) = 0 [pid 5827] openat(AT_FDCWD, NULL, O_RDWR) = -1 EFAULT (Bad address) [pid 5827] exit_group(0) = ? [pid 5827] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5827, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=26 /* 0.26 s */} --- umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55557f5776f0 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 [ 71.537408][ T5825] bcachefs (loop0): shutting down [ 71.542564][ T5825] bcachefs (loop0): going read-only [ 71.548054][ T5825] bcachefs (loop0): finished waiting for writes to stop [ 86.851176][ T51] cfg80211: failed to load regulatory.db [ 101.574447][ T5836] Allocator stuck? Waited for 30 seconds [ 101.574462][ T5836] Allocator debug: [ 101.574469][ T5836] capacity1536 [ 101.574496][ T5836] reserved 31232 [ 101.574503][ T5836] hidden 0 [ 101.574509][ T5836] btree 0 [ 101.574516][ T5836] data 0 [ 101.574522][ T5836] cached 0 [ 101.574529][ T5836] reserved 0 [ 101.574536][ T5836] online_reserved 24 [ 101.574542][ T5836] nr_inodes 0 [ 101.574549][ T5836] [ 101.574555][ T5836] freelist_wait waiting [ 101.574561][ T5836] open buckets allocated1 [ 101.574568][ T5836] open buckets total 1024 [ 101.574575][ T5836] open_buckets_wait empty [ 101.574581][ T5836] open_buckets_btree 0 [ 101.574588][ T5836] open_buckets_user 0 [ 101.574595][ T5836] btree reserve cache 0 [ 101.574601][ T5836] [ 101.574607][ T5836] Dev 0: [ 101.574613][ T5836] buckets sectors fragmented [ 101.574621][ T5836] free 0 0 0 [ 101.574629][ T5836] sb 0 0 0 [ 101.574637][ T5836] journal 0 0 0 [ 101.574644][ T5836] btree 0 0 0 [ 101.574652][ T5836] user 0 0 0 [ 101.574660][ T5836] cached 0 0 0 [ 101.574668][ T5836] parity 0 0 0 [ 101.574676][ T5836] stripe 0 0 0 [ 101.574683][ T5836] need_gc_gens 0 0 0 [ 101.574691][ T5836] need_discard 0 0 0 [ 101.574699][ T5836] unstriped 0 0 0 [ 101.574707][ T5836] capacity 128 [ 101.574714][ T5836] [ 101.574719][ T5836] reserves: [ 101.574725][ T5836] stripe 60 [ 101.574732][ T5836] normal 58 [ 101.574739][ T5836] copygc 56 [ 101.574746][ T5836] btree 28 [ 101.574752][ T5836] btree_copygc 0 [ 101.574759][ T5836] reclaim 0 [ 101.574766][ T5836] interior_updates 0 [ 101.574772][ T5836] [ 101.574778][ T5836] open buckets 0 [ 101.574785][ T5836] buckets to invalidate 0 [ 101.574792][ T5836] [ 101.574797][ T5836] Copygc debug: [ 101.574804][ T5836] running: 1 [ 101.574810][ T5836] copygc_wait:0 [ 101.574816][ T5836] copygc_wait_at:0 [ 101.574822][ T5836] Currently waiting for:0 B [ 101.574829][ T5836] Currently waiting since:640 KiB [ 101.574836][ T5836] Currently calculated wait:0 B [ 101.574843][ T5836] [ 101.574849][ T5836] Journal debug: [ 101.574855][ T5836] flags: replay_done,running,may_skip_flush,need_flush_write [ 101.574863][ T5836] dirty journal entries: 0/32768 [ 101.574870][ T5836] seq: 13 [ 101.574877][ T5836] seq_ondisk: 13 [ 101.574884][ T5836] last_seq: 14 [ 101.574890][ T5836] last_seq_ondisk: 14 [ 101.574897][ T5836] flushed_seq_ondisk: 13 [ 101.574904][ T5836] watermark: stripe [ 101.574911][ T5836] each entry reserved: 321 [ 101.574918][ T5836] nr flush writes: 0 [ 101.574924][ T5836] nr noflush writes: 0 [ 101.574931][ T5836] average write size: 0 B [ 101.574938][ T5836] nr direct reclaim: 0 [ 101.574945][ T5836] nr background reclaim: 0 [ 101.574951][ T5836] reclaim kicked: 0 [ 101.574958][ T5836] reclaim runs in: 0 ms [ 101.574965][ T5836] blocked: 0 [ 101.574971][ T5836] current entry sectors: 256 [ 101.574978][ T5836] current entry error: ok [ 101.574985][ T5836] current entry: closed [ 101.574992][ T5836] unwritten entries: [ 101.574998][ T5836] last buf closed [ 101.575005][ T5836] space: [ 101.575011][ T5836] discarded 256:1792 [ 101.575018][ T5836] clean ondisk 256:1792 [ 101.575025][ T5836] clean 256:1792 [ 101.575032][ T5836] total 256:2048 [ 101.575039][ T5836] dev 0: [ 101.575045][ T5836] nr 8 [ 101.575051][ T5836] bucket size 256 [ 101.575058][ T5836] available 6:256 [ 101.575065][ T5836] discard_idx 0 [ 101.575072][ T5836] dirty_ondisk 0 (seq 0) [ 101.575079][ T5836] dirty_idx 0 (seq 0) [ 101.575086][ T5836] cur_idx 0 (seq 0) [ 101.575093][ T5836] [ 286.523904][ T30] INFO: task syz-executor123:5825 blocked for more than 143 seconds. [ 286.532132][ T30] Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 [ 286.539865][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.548729][ T30] task:syz-executor123 state:D stack:23840 pid:5825 tgid:5825 ppid:5822 flags:0x00004002 [ 286.559226][ T30] Call Trace: [ 286.562528][ T30] [ 286.565507][ T30] __schedule+0x17fb/0x4be0 [ 286.570069][ T30] ? __pfx___schedule+0x10/0x10 [ 286.574971][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.580029][ T30] ? schedule+0x90/0x320 [ 286.584319][ T30] schedule+0x14b/0x320 [ 286.588529][ T30] schedule_timeout+0xb0/0x290 [ 286.593295][ T30] ? __pfx_schedule_timeout+0x10/0x10 [ 286.598725][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.604758][ T30] ? wait_for_completion+0x2fe/0x620 [ 286.610071][ T30] ? wait_for_completion+0x2fe/0x620 [ 286.615424][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.620654][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.625900][ T30] ? wait_for_completion+0x2fe/0x620 [ 286.631214][ T30] wait_for_completion+0x355/0x620 [ 286.636392][ T30] ? __pfx_wait_for_completion+0x10/0x10 [ 286.642056][ T30] ? synchronize_rcu+0x11b/0x360 [ 286.647067][ T30] ? kthread_unpark+0xd0/0x290 [ 286.651874][ T30] kthread_stop+0x19e/0x640 [ 286.656689][ T30] bch2_copygc_stop+0x4f/0x150 [ 286.661521][ T30] __bch2_fs_read_only+0x47/0x450 [ 286.666654][ T30] bch2_fs_read_only+0xb57/0x1200 [ 286.671736][ T30] ? __pfx_bch2_fs_read_only+0x10/0x10 [ 286.677398][ T30] ? __bch2_print+0x17a/0x220 [ 286.682143][ T30] ? down_write+0x18c/0x220 [ 286.686708][ T30] ? __pfx_down_write+0x10/0x10 [ 286.691589][ T30] ? hook_sb_delete+0xaa0/0xbd0 [ 286.696508][ T30] __bch2_fs_stop+0x105/0x5c0 [ 286.701219][ T30] ? __pfx___bch2_fs_stop+0x10/0x10 [ 286.706469][ T30] ? __pfx_evict_inodes+0x10/0x10 [ 286.711521][ T30] ? bch2_sync_fs+0x155/0x300 [ 286.716276][ T30] ? __pfx_bch2_put_super+0x10/0x10 [ 286.721519][ T30] generic_shutdown_super+0x139/0x2d0 [ 286.726967][ T30] bch2_kill_sb+0x41/0x50 [ 286.731334][ T30] deactivate_locked_super+0xc4/0x130 [ 286.736764][ T30] cleanup_mnt+0x41f/0x4b0 [ 286.741217][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.746504][ T30] task_work_run+0x24f/0x310 [ 286.751150][ T30] ? __pfx_task_work_run+0x10/0x10 [ 286.756313][ T30] ? path_umount+0x284/0xf70 [ 286.760936][ T30] ptrace_notify+0x2d2/0x380 [ 286.765636][ T30] ? __pfx_ptrace_notify+0x10/0x10 [ 286.770776][ T30] ? kmem_cache_free+0x195/0x410 [ 286.775769][ T30] ? __x64_sys_umount+0x123/0x170 [ 286.780832][ T30] syscall_exit_work+0xc7/0x1d0 [ 286.785760][ T30] syscall_exit_to_user_mode+0x24a/0x340 [ 286.791454][ T30] do_syscall_64+0x100/0x230 [ 286.796144][ T30] ? clear_bhb_loop+0x35/0x90 [ 286.800856][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.806843][ T30] RIP: 0033:0x7f836c42e347 [ 286.811289][ T30] RSP: 002b:00007ffee073d928 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 286.819755][ T30] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f836c42e347 [ 286.827802][ T30] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffee073d9e0 [ 286.835819][ T30] RBP: 00007ffee073d9e0 R08: 0000000000000000 R09: 0000000000000000 [ 286.843881][ T30] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffee073ea40 [ 286.851856][ T30] R13: 000055557f5776c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 286.859952][ T30] [ 286.863023][ T30] INFO: task bch-copygc/loop:5836 blocked for more than 143 seconds. [ 286.871177][ T30] Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 [ 286.878971][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.887721][ T30] task:bch-copygc/loop state:D stack:17040 pid:5836 tgid:5836 ppid:2 flags:0x00024000 [ 286.897978][ T30] Call Trace: [ 286.901277][ T30] [ 286.904280][ T30] __schedule+0x17fb/0x4be0 [ 286.908844][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.914909][ T30] ? __pfx___schedule+0x10/0x10 [ 286.919785][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.924950][ T30] ? bch2_print_allocator_stuck+0x165/0xcb0 [ 286.930895][ T30] ? bch2_print_allocator_stuck+0xc24/0xcb0 [ 286.936923][ T30] ? schedule+0x90/0x320 [ 286.941235][ T30] schedule+0x14b/0x320 [ 286.945479][ T30] __closure_sync+0x259/0x2f0 [ 286.950192][ T30] ? __closure_sync+0x149/0x2f0 [ 286.955114][ T30] ? __pfx___closure_sync+0x10/0x10 [ 286.960345][ T30] ? __bch2_wait_on_allocator+0x1d6/0x250 [ 286.966136][ T30] __bch2_write+0x562a/0x5dd0 [ 286.970889][ T30] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 286.977133][ T30] ? __pfx___bch2_write+0x10/0x10 [ 286.982198][ T30] ? __bch2_read_extent+0x3075/0x4850 [ 286.987673][ T30] ? __pfx___bch2_read_extent+0x10/0x10 [ 286.993283][ T30] ? __pfx___mutex_trylock_common+0x10/0x10 [ 286.999245][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.004350][ T30] bch2_write+0x9b5/0x1760 [ 287.008800][ T30] ? __pfx_bch2_write+0x10/0x10 [ 287.013720][ T30] ? bch2_trans_srcu_unlock+0x43e/0x5c0 [ 287.019310][ T30] ? bch2_data_update_read_done+0xfd/0x330 [ 287.025173][ T30] bch2_data_update_read_done+0x22e/0x330 [ 287.030927][ T30] ? __pfx_bch2_data_update_read_done+0x10/0x10 [ 287.037229][ T30] ? bch2_trans_srcu_unlock+0x44d/0x5c0 [ 287.042805][ T30] bch2_moving_ctxt_do_pending_writes+0x44c/0x8d0 [ 287.049317][ T30] ? __pfx_bch2_moving_ctxt_do_pending_writes+0x10/0x10 [ 287.056348][ T30] ? bch2_backpointer_get_key+0x434/0x970 [ 287.062140][ T30] bch2_move_ratelimit+0x76c/0xeb0 [ 287.067335][ T30] ? bch2_move_get_io_opts_one+0x292/0xb90 [ 287.073202][ T30] ? __pfx_bch2_move_ratelimit+0x10/0x10 [ 287.079004][ T30] ? bch2_path_put+0xfe1/0x2150 [ 287.083941][ T30] ? __asan_memset+0x23/0x50 [ 287.088561][ T30] bch2_evacuate_bucket+0x26b3/0x3610 [ 287.094066][ T30] ? bch2_evacuate_bucket+0x30e/0x3610 [ 287.099594][ T30] ? __pfx_bch2_evacuate_bucket+0x10/0x10 [ 287.105413][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.111344][ T30] ? __pfx_register_lock_class+0x10/0x10 [ 287.117049][ T30] ? stack_trace_save+0x118/0x1d0 [ 287.122124][ T30] ? bch2_backpointer_get_key+0x2b0/0x970 [ 287.127959][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 287.133024][ T30] ? bch2_copygc+0x435/0x4c90 [ 287.137771][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.143825][ T30] bch2_copygc+0x42c1/0x4c90 [ 287.148423][ T30] ? bch2_copygc+0x435/0x4c90 [ 287.153123][ T30] ? __pfx_bch2_copygc+0x10/0x10 [ 287.158146][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 287.163203][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.168423][ T30] ? bch2_copygc+0x435/0x4c90 [ 287.173141][ T30] ? bch2_copygc_wait_amount+0xc90/0xcf0 [ 287.178902][ T30] ? bch2_copygc+0x435/0x4c90 [ 287.183622][ T30] ? bch2_trans_srcu_unlock+0x44d/0x5c0 [ 287.189464][ T30] bch2_copygc_thread+0x736/0xc10 [ 287.194612][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 287.200237][ T30] ? bch2_copygc_thread+0x1a1/0xc10 [ 287.205570][ T30] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 287.211554][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 287.216902][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.222848][ T30] ? __kthread_parkme+0x169/0x1d0 [ 287.227970][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 287.233560][ T30] kthread+0x2f0/0x390 [ 287.237700][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 287.243271][ T30] ? __pfx_kthread+0x10/0x10 [ 287.247916][ T30] ret_from_fork+0x4b/0x80 [ 287.252355][ T30] ? __pfx_kthread+0x10/0x10 [ 287.257001][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.261806][ T30] [ 287.264878][ T30] [ 287.264878][ T30] Showing all locks held in the system: [ 287.272605][ T30] 1 lock held by khungtaskd/30: [ 287.277495][ T30] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 287.287466][ T30] 2 locks held by getty/5588: [ 287.292148][ T30] #0: ffff88814d72a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.301992][ T30] #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 287.312205][ T30] 2 locks held by syz-executor123/5825: [ 287.317805][ T30] #0: ffff88807b7360e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 [ 287.328087][ T30] #1: ffff888071e80278 (&c->state_lock){+.+.}-{4:4}, at: __bch2_fs_stop+0xfd/0x5c0 [ 287.337606][ T30] [ 287.339950][ T30] ============================================= [ 287.339950][ T30] [ 287.348461][ T30] NMI backtrace for cpu 0 [ 287.352832][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 [ 287.363347][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.373396][ T30] Call Trace: [ 287.376672][ T30] [ 287.379640][ T30] dump_stack_lvl+0x241/0x360 [ 287.384344][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.389588][ T30] ? __pfx__printk+0x10/0x10 [ 287.394210][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.399158][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.404614][ T30] ? _printk+0xd5/0x120 [ 287.408763][ T30] ? __pfx__printk+0x10/0x10 [ 287.413346][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.418203][ T30] ? __pfx__printk+0x10/0x10 [ 287.422802][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 287.427824][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.433820][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.439796][ T30] watchdog+0xff6/0x1040 [ 287.444039][ T30] ? watchdog+0x1ea/0x1040 [ 287.448476][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.453155][ T30] kthread+0x2f0/0x390 [ 287.457227][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.461907][ T30] ? __pfx_kthread+0x10/0x10 [ 287.466513][ T30] ret_from_fork+0x4b/0x80 [ 287.470935][ T30] ? __pfx_kthread+0x10/0x10 [ 287.475548][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.480323][ T30] [ 287.483565][ T30] Sending NMI from CPU 0 to CPUs 1: [ 287.488860][ C1] NMI backtrace for cpu 1 [ 287.488874][ C1] CPU: 1 UID: 0 PID: 1149 Comm: kworker/u8:6 Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 [ 287.488893][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.488904][ C1] Workqueue: events_unbound toggle_allocation_gate [ 287.488933][ C1] RIP: 0010:mark_lock+0x12c/0x360 [ 287.488956][ C1] Code: c7 c7 80 97 0a 8c 48 c7 c6 80 9a 0a 8c e8 4c ef e4 ff 90 0f 0b 90 90 90 31 db 48 83 c3 60 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 9a 28 88 00 41 bc 01 00 00 00 44 85 33 74 16 44 [ 287.488969][ C1] RSP: 0018:ffffc9000403f638 EFLAGS: 00000046 [ 287.488982][ C1] RAX: 1ffffffff277d13f RBX: ffffffff93be89f8 RCX: ffffffff817b274a [ 287.488995][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff94270880 [ 287.489005][ C1] RBP: 0000000000000007 R08: ffffffff94270887 R09: 1ffffffff284e110 [ 287.489017][ C1] R10: dffffc0000000000 R11: fffffbfff284e111 R12: ffff8880278f6550 [ 287.489029][ C1] R13: dffffc0000000000 R14: 0000000000000080 R15: ffff8880278f6530 [ 287.489041][ C1] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 287.489054][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.489066][ C1] CR2: 00005619471da600 CR3: 000000000e736000 CR4: 00000000003526f0 [ 287.489080][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.489090][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.489100][ C1] Call Trace: [ 287.489106][ C1] [ 287.489112][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.489132][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.489150][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.489174][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.489197][ C1] ? nmi_handle+0x14f/0x5a0 [ 287.489215][ C1] ? nmi_handle+0x2a/0x5a0 [ 287.489232][ C1] ? mark_lock+0x12c/0x360 [ 287.489250][ C1] ? default_do_nmi+0x63/0x160 [ 287.489267][ C1] ? exc_nmi+0x123/0x1f0 [ 287.489284][ C1] ? end_repeat_nmi+0xf/0x53 [ 287.489301][ C1] ? mark_lock+0x9a/0x360 [ 287.489319][ C1] ? mark_lock+0x12c/0x360 [ 287.489337][ C1] ? mark_lock+0x12c/0x360 [ 287.489355][ C1] ? mark_lock+0x12c/0x360 [ 287.489373][ C1] [ 287.489394][ C1] [ 287.489401][ C1] lockdep_hardirqs_on_prepare+0x3a5/0x780 [ 287.489438][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.489456][ C1] ? text_poke_memcpy+0x25/0x30 [ 287.489478][ C1] ? __kmalloc_cache_noprof+0x83/0x390 [ 287.489495][ C1] ? rcu_is_watching+0x15/0xb0 [ 287.489518][ C1] ? __kmalloc_cache_noprof+0x83/0x390 [ 287.489535][ C1] trace_hardirqs_on+0x28/0x40 [ 287.489550][ C1] __text_poke+0x9bf/0xd30 [ 287.489572][ C1] ? __kmalloc_cache_noprof+0x83/0x390 [ 287.489589][ C1] ? __pfx_text_poke_memcpy+0x10/0x10 [ 287.489612][ C1] ? __pfx___text_poke+0x10/0x10 [ 287.489632][ C1] ? kmem_cache_alloc_bulk_noprof+0x156/0x7c0 [ 287.489652][ C1] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 287.489677][ C1] ? __pfx_perf_event_text_poke+0x10/0x10 [ 287.489695][ C1] ? __pfx___mutex_trylock_common+0x10/0x10 [ 287.489724][ C1] text_poke_bp_batch+0x8cd/0xb30 [ 287.489750][ C1] ? kmem_cache_alloc_bulk_noprof+0x157/0x7c0 [ 287.489769][ C1] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 287.489800][ C1] ? arch_jump_label_transform_queue+0x9b/0x100 [ 287.489828][ C1] ? process_scheduled_works+0x976/0x1840 [ 287.489854][ C1] text_poke_finish+0x30/0x50 [ 287.489876][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 287.489901][ C1] static_key_enable_cpuslocked+0x136/0x260 [ 287.489926][ C1] static_key_enable+0x1a/0x20 [ 287.489948][ C1] toggle_allocation_gate+0xbc/0x260 [ 287.489973][ C1] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 287.490010][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.490031][ C1] process_scheduled_works+0xa66/0x1840 [ 287.490065][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 287.490092][ C1] ? assign_work+0x364/0x3d0 [ 287.490117][ C1] worker_thread+0x870/0xd30 [ 287.490134][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.490157][ C1] ? __kthread_parkme+0x169/0x1d0 [ 287.490173][ C1] ? __pfx_worker_thread+0x10/0x10 [ 287.490188][ C1] kthread+0x2f0/0x390 [ 287.490205][ C1] ? __pfx_worker_thread+0x10/0x10 [ 287.490219][ C1] ? __pfx_kthread+0x10/0x10 [ 287.490236][ C1] ret_from_fork+0x4b/0x80 [ 287.490268][ C1] ? __pfx_kthread+0x10/0x10 [ 287.490287][ C1] ret_from_fork_asm+0x1a/0x30 [ 287.490317][ C1] [ 287.490324][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.463 msecs [ 287.490867][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 287.490882][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0 [ 287.490907][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.490920][ T30] Call Trace: [ 287.490928][ T30] [ 287.490938][ T30] dump_stack_lvl+0x241/0x360 [ 287.490974][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.491003][ T30] ? __pfx__printk+0x10/0x10 [ 287.491046][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.491077][ T30] ? vscnprintf+0x5d/0x90 [ 287.491106][ T30] panic+0x349/0x880 [ 287.491135][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.491164][ T30] ? __pfx_panic+0x10/0x10 [ 287.491189][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 287.491222][ T30] ? __irq_work_queue_local+0x137/0x410 [ 287.491249][ T30] ? irq_work_queue+0xca/0x150 [ 287.491272][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.491307][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.491340][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.491373][ T30] ? nmi_trigger_cpumask_backtrace+0x251/0x320 [ 287.491404][ T30] watchdog+0x1035/0x1040 [ 287.491431][ T30] ? watchdog+0x1ea/0x1040 [ 287.491460][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.491484][ T30] kthread+0x2f0/0x390 [ 287.491510][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.491540][ T30] ? __pfx_kthread+0x10/0x10 [ 287.491567][ T30] ret_from_fork+0x4b/0x80 [ 287.491588][ T30] ? __pfx_kthread+0x10/0x10 [ 287.491614][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.491659][ T30] [ 288.089892][ T30] Kernel Offset: disabled [ 288.094230][ T30] Rebooting in 86400 seconds..