./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3381446371 <...> Warning: Permanently added '10.128.0.62' (ED25519) to the list of known hosts. execve("./syz-executor3381446371", ["./syz-executor3381446371"], 0x7ffff82bb3c0 /* 10 vars */) = 0 brk(NULL) = 0x555557032000 brk(0x555557032d00) = 0x555557032d00 arch_prctl(ARCH_SET_FS, 0x555557032380) = 0 set_tid_address(0x555557032650) = 5818 set_robust_list(0x555557032660, 24) = 0 rseq(0x555557032ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3381446371", 4096) = 28 getrandom("\xd5\x37\xb3\x5b\x32\x3a\xc5\x31", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557032d00 brk(0x555557053d00) = 0x555557053d00 brk(0x555557054000) = 0x555557054000 mprotect(0x7f0cdf417000, 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.TpK5wG", 0700) = 0 chmod("./syzkaller.TpK5wG", 0777) = 0 chdir("./syzkaller.TpK5wG") = 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 5819 attached [pid 5819] set_robust_list(0x555557032660, 24 [pid 5818] <... clone resumed>, child_tidptr=0x555557032650) = 5819 [pid 5819] <... set_robust_list resumed>) = 0 [pid 5819] chdir("./0") = 0 [pid 5819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5819] setpgid(0, 0) = 0 [pid 5819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5819] write(3, "1000", 4) = 4 [pid 5819] close(3) = 0 [pid 5819] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5819] write(1, "executing program\n", 18) = 18 [pid 5819] memfd_create("syzkaller", 0) = 3 [pid 5819] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd6e00000 [pid 5819] 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 5819] munmap(0x7f0cd6e00000, 138412032) = 0 [pid 5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5819] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5819] close(3) = 0 [pid 5819] close(4) = 0 [pid 5819] mkdir("./file0", 0777) = 0 [ 61.690040][ T5819] loop0: detected capacity change from 0 to 32768 [ 61.760322][ T5819] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names [ 61.776108][ T5819] bcachefs (loop0): recovering from clean shutdown, journal seq 13 [ 61.794686][ T5819] bcachefs (loop0): accounting_read... done [ 61.800810][ T5819] bcachefs (loop0): alloc_read... done [pid 5819] 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 5819] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5819] chdir("./file0") = 0 [ 61.806445][ T5819] bcachefs (loop0): stripes_read... done [ 61.812185][ T5819] bcachefs (loop0): snapshots_read... done [ 61.820039][ T5819] bcachefs (loop0): journal_replay... done [ 61.825966][ T5819] bcachefs (loop0): resume_logged_ops... done [ 61.832085][ T5819] bcachefs (loop0): delete_dead_inodes... done [ 61.840625][ T5819] bcachefs (loop0): going read-write [ 61.848926][ T5819] bcachefs (loop0): done starting filesystem [pid 5819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5819] ioctl(4, LOOP_CLR_FD) = 0 [pid 5819] close(4) = 0 [pid 5819] exit_group(0) = ? [pid 5819] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5819, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=22 /* 0.22 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, 0x5555570336f0 /* 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 [ 62.037636][ T5818] bcachefs (loop0): shutting down [ 62.042954][ T5818] bcachefs (loop0): going read-only [ 62.048326][ T5818] bcachefs (loop0): finished waiting for writes to stop [ 76.675438][ T975] cfg80211: failed to load regulatory.db [ 92.043285][ T5829] Allocator stuck? Waited for 30 seconds [ 92.043299][ T5829] Allocator debug: [ 92.043305][ T5829] capacity1536 [ 92.043309][ T5829] reserved 31232 [ 92.043320][ T5829] hidden 0 [ 92.043325][ T5829] btree 0 [ 92.043330][ T5829] data 0 [ 92.043335][ T5829] cached 0 [ 92.043340][ T5829] reserved 0 [ 92.043344][ T5829] online_reserved 0 [ 92.043349][ T5829] nr_inodes 0 [ 92.043354][ T5829] [ 92.043358][ T5829] freelist_wait waiting [ 92.043363][ T5829] open buckets allocated1 [ 92.043368][ T5829] open buckets total 1024 [ 92.043373][ T5829] open_buckets_wait empty [ 92.043377][ T5829] open_buckets_btree 0 [ 92.043382][ T5829] open_buckets_user 0 [ 92.043387][ T5829] btree reserve cache 0 [ 92.043392][ T5829] [ 92.043396][ T5829] Dev 0: [ 92.043400][ T5829] buckets sectors fragmented [ 92.043406][ T5829] free 0 0 0 [ 92.043411][ T5829] sb 0 0 0 [ 92.043416][ T5829] journal 0 0 0 [ 92.043422][ T5829] btree 0 0 0 [ 92.043427][ T5829] user 0 0 0 [ 92.043433][ T5829] cached 0 0 0 [ 92.043438][ T5829] parity 0 0 0 [ 92.043444][ T5829] stripe 0 0 0 [ 92.043449][ T5829] need_gc_gens 0 0 0 [ 92.043455][ T5829] need_discard 0 0 0 [ 92.043460][ T5829] unstriped 0 0 0 [ 92.043465][ T5829] capacity 128 [ 92.043470][ T5829] [ 92.043474][ T5829] reserves: [ 92.043479][ T5829] stripe 60 [ 92.043484][ T5829] normal 58 [ 92.043488][ T5829] copygc 56 [ 92.043493][ T5829] btree 28 [ 92.043498][ T5829] btree_copygc 0 [ 92.043503][ T5829] reclaim 0 [ 92.043507][ T5829] interior_updates 0 [ 92.043512][ T5829] [ 92.043516][ T5829] open buckets 0 [ 92.043521][ T5829] buckets to invalidate 0 [ 92.043526][ T5829] [ 92.043530][ T5829] Copygc debug: [ 92.043534][ T5829] running: 1 [ 92.043539][ T5829] copygc_wait:0 [ 92.043543][ T5829] copygc_wait_at:0 [ 92.043548][ T5829] Currently waiting for:0 B [ 92.043553][ T5829] Currently waiting since:640 KiB [ 92.043558][ T5829] Currently calculated wait:0 B [ 92.043562][ T5829] [ 92.043567][ T5829] Journal debug: [ 92.043571][ T5829] flags: replay_done,running,may_skip_flush,need_flush_write [ 92.043577][ T5829] dirty journal entries: 0/32768 [ 92.043582][ T5829] seq: 13 [ 92.043587][ T5829] seq_ondisk: 13 [ 92.043592][ T5829] last_seq: 14 [ 92.043596][ T5829] last_seq_ondisk: 14 [ 92.043601][ T5829] flushed_seq_ondisk: 13 [ 92.043606][ T5829] watermark: stripe [ 92.043611][ T5829] each entry reserved: 321 [ 92.043616][ T5829] nr flush writes: 0 [ 92.043620][ T5829] nr noflush writes: 0 [ 92.043625][ T5829] average write size: 0 B [ 92.043630][ T5829] nr direct reclaim: 0 [ 92.043635][ T5829] nr background reclaim: 0 [ 92.043639][ T5829] reclaim kicked: 0 [ 92.043644][ T5829] reclaim runs in: 0 ms [ 92.043649][ T5829] blocked: 0 [ 92.043654][ T5829] current entry sectors: 256 [ 92.043659][ T5829] current entry error: ok [ 92.043663][ T5829] current entry: closed [ 92.043668][ T5829] unwritten entries: [ 92.043673][ T5829] last buf closed [ 92.043677][ T5829] space: [ 92.043682][ T5829] discarded 256:1792 [ 92.043687][ T5829] clean ondisk 256:1792 [ 92.043692][ T5829] clean 256:1792 [ 92.043697][ T5829] total 256:2048 [ 92.043702][ T5829] dev 0: [ 92.043706][ T5829] nr 8 [ 92.043711][ T5829] bucket size 256 [ 92.043715][ T5829] available 6:256 [ 92.043720][ T5829] discard_idx 0 [ 92.043725][ T5829] dirty_ondisk 0 (seq 0) [ 92.043730][ T5829] dirty_idx 0 (seq 0) [ 92.043735][ T5829] cur_idx 0 (seq 0) [ 92.043740][ T5829] [ 286.594440][ T30] INFO: task syz-executor338:5818 blocked for more than 143 seconds. [ 286.602821][ T30] Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 [ 286.610453][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.619165][ T30] task:syz-executor338 state:D stack:23840 pid:5818 tgid:5818 ppid:5815 flags:0x00004002 [ 286.629413][ T30] Call Trace: [ 286.632842][ T30] [ 286.635788][ T30] __schedule+0x17fb/0x4be0 [ 286.640308][ T30] ? __pfx___schedule+0x10/0x10 [ 286.645211][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.650256][ T30] ? schedule+0x90/0x320 [ 286.654601][ T30] schedule+0x14b/0x320 [ 286.658771][ T30] schedule_timeout+0xb0/0x290 [ 286.663577][ T30] ? __pfx_schedule_timeout+0x10/0x10 [ 286.668964][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.675052][ T30] ? wait_for_completion+0x2fe/0x620 [ 286.680356][ T30] ? wait_for_completion+0x2fe/0x620 [ 286.685683][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.690895][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.696192][ T30] ? wait_for_completion+0x2fe/0x620 [ 286.701493][ T30] wait_for_completion+0x355/0x620 [ 286.706673][ T30] ? __pfx_wait_for_completion+0x10/0x10 [ 286.712321][ T30] ? synchronize_rcu+0x11b/0x360 [ 286.717377][ T30] ? kthread_unpark+0xd0/0x290 [ 286.722155][ T30] kthread_stop+0x19e/0x640 [ 286.726728][ T30] bch2_copygc_stop+0x4f/0x150 [ 286.731512][ T30] __bch2_fs_read_only+0x47/0x450 [ 286.736619][ T30] bch2_fs_read_only+0xb57/0x1200 [ 286.741670][ T30] ? __pfx_bch2_fs_read_only+0x10/0x10 [ 286.747235][ T30] ? __bch2_print+0x17a/0x220 [ 286.751931][ T30] ? down_write+0x18c/0x220 [ 286.756500][ T30] ? __pfx_down_write+0x10/0x10 [ 286.761382][ T30] ? hook_sb_delete+0xaa0/0xbd0 [ 286.766297][ T30] __bch2_fs_stop+0x105/0x5c0 [ 286.771019][ T30] ? __pfx___bch2_fs_stop+0x10/0x10 [ 286.776273][ T30] ? __pfx_evict_inodes+0x10/0x10 [ 286.781345][ T30] ? bch2_sync_fs+0x155/0x300 [ 286.786080][ T30] ? __pfx_bch2_put_super+0x10/0x10 [ 286.791301][ T30] generic_shutdown_super+0x139/0x2d0 [ 286.796729][ T30] bch2_kill_sb+0x41/0x50 [ 286.801073][ T30] deactivate_locked_super+0xc4/0x130 [ 286.806505][ T30] cleanup_mnt+0x41f/0x4b0 [ 286.810932][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.816182][ T30] task_work_run+0x24f/0x310 [ 286.820810][ T30] ? __pfx_task_work_run+0x10/0x10 [ 286.825984][ T30] ? path_umount+0x284/0xf70 [ 286.830592][ T30] ptrace_notify+0x2d2/0x380 [ 286.835227][ T30] ? __pfx_ptrace_notify+0x10/0x10 [ 286.840348][ T30] ? kmem_cache_free+0x195/0x410 [ 286.845340][ T30] ? __x64_sys_umount+0x123/0x170 [ 286.850380][ T30] syscall_exit_work+0xc7/0x1d0 [ 286.855272][ T30] syscall_exit_to_user_mode+0x24a/0x340 [ 286.860928][ T30] do_syscall_64+0x100/0x230 [ 286.865562][ T30] ? clear_bhb_loop+0x35/0x90 [ 286.870249][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.876206][ T30] RIP: 0033:0x7f0cdf395347 [ 286.880642][ T30] RSP: 002b:00007ffca16d7f68 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 286.889119][ T30] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0cdf395347 [ 286.897140][ T30] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffca16d8020 [ 286.905166][ T30] RBP: 00007ffca16d8020 R08: 0000000000000000 R09: 0000000000000000 [ 286.913187][ T30] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffca16d9080 [ 286.921162][ T30] R13: 00005555570336c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 286.929183][ T30] [ 286.932230][ T30] INFO: task bch-copygc/loop:5829 blocked for more than 143 seconds. [ 286.940373][ T30] Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 [ 286.948043][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.956747][ T30] task:bch-copygc/loop state:D stack:20080 pid:5829 tgid:5829 ppid:2 flags:0x00024000 [ 286.966962][ T30] Call Trace: [ 286.970233][ T30] [ 286.973221][ T30] __schedule+0x17fb/0x4be0 [ 286.977742][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.983784][ T30] ? __pfx___schedule+0x10/0x10 [ 286.988649][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.993747][ T30] ? bch2_print_allocator_stuck+0x165/0xcb0 [ 286.999669][ T30] ? bch2_print_allocator_stuck+0xc24/0xcb0 [ 287.005637][ T30] ? schedule+0x90/0x320 [ 287.009895][ T30] schedule+0x14b/0x320 [ 287.014104][ T30] __closure_sync+0x259/0x2f0 [ 287.018795][ T30] ? __closure_sync+0x149/0x2f0 [ 287.023710][ T30] ? __pfx___closure_sync+0x10/0x10 [ 287.028940][ T30] ? __bch2_wait_on_allocator+0x1d6/0x250 [ 287.034745][ T30] __bch2_write+0x562a/0x5dd0 [ 287.039480][ T30] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 287.045723][ T30] ? __pfx___bch2_write+0x10/0x10 [ 287.050774][ T30] ? __bch2_read_extent+0x3075/0x4850 [ 287.056216][ T30] ? __pfx___bch2_read_extent+0x10/0x10 [ 287.061779][ T30] ? __pfx___mutex_trylock_common+0x10/0x10 [ 287.067721][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.072813][ T30] bch2_write+0x9b5/0x1760 [ 287.077234][ T30] ? __pfx_bch2_write+0x10/0x10 [ 287.082072][ T30] ? bch2_trans_srcu_unlock+0x43e/0x5c0 [ 287.087665][ T30] ? bch2_data_update_read_done+0xfd/0x330 [ 287.093532][ T30] bch2_data_update_read_done+0x22e/0x330 [ 287.099248][ T30] ? __pfx_bch2_data_update_read_done+0x10/0x10 [ 287.105558][ T30] ? bch2_trans_srcu_unlock+0x44d/0x5c0 [ 287.111124][ T30] bch2_moving_ctxt_do_pending_writes+0x44c/0x8d0 [ 287.117606][ T30] ? __pfx_bch2_moving_ctxt_do_pending_writes+0x10/0x10 [ 287.124587][ T30] ? bch2_backpointer_get_key+0x434/0x970 [ 287.130301][ T30] bch2_move_ratelimit+0x76c/0xeb0 [ 287.135489][ T30] ? bch2_move_get_io_opts_one+0x292/0xb90 [ 287.141318][ T30] ? __pfx_bch2_move_ratelimit+0x10/0x10 [ 287.147014][ T30] ? bch2_path_put+0xfe1/0x2150 [ 287.151902][ T30] ? __asan_memset+0x23/0x50 [ 287.156623][ T30] bch2_evacuate_bucket+0x26b3/0x3610 [ 287.162029][ T30] ? bch2_evacuate_bucket+0x30e/0x3610 [ 287.167636][ T30] ? __pfx_bch2_evacuate_bucket+0x10/0x10 [ 287.173415][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.179346][ T30] ? __pfx_register_lock_class+0x10/0x10 [ 287.185044][ T30] ? stack_trace_save+0x118/0x1d0 [ 287.190098][ T30] ? bch2_backpointer_get_key+0x2b0/0x970 [ 287.195877][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 287.200922][ T30] ? bch2_copygc+0x435/0x4c90 [ 287.205659][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.211656][ T30] bch2_copygc+0x42c1/0x4c90 [ 287.216293][ T30] ? bch2_copygc+0x435/0x4c90 [ 287.221008][ T30] ? __pfx_bch2_copygc+0x10/0x10 [ 287.225981][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 287.231015][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.236158][ T30] ? bch2_copygc+0x435/0x4c90 [ 287.240848][ T30] ? bch2_copygc_wait_amount+0xc90/0xcf0 [ 287.246548][ T30] ? bch2_copygc+0x435/0x4c90 [ 287.251240][ T30] ? bch2_trans_srcu_unlock+0x44d/0x5c0 [ 287.256868][ T30] bch2_copygc_thread+0x736/0xc10 [ 287.261906][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 287.267506][ T30] ? bch2_copygc_thread+0x1a1/0xc10 [ 287.272755][ T30] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 287.278660][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 287.283931][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.289870][ T30] ? __kthread_parkme+0x169/0x1d0 [ 287.294965][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 287.300530][ T30] kthread+0x2f0/0x390 [ 287.304660][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 287.310232][ T30] ? __pfx_kthread+0x10/0x10 [ 287.314901][ T30] ret_from_fork+0x4b/0x80 [ 287.319331][ T30] ? __pfx_kthread+0x10/0x10 [ 287.324581][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.329376][ T30] [ 287.332402][ T30] [ 287.332402][ T30] Showing all locks held in the system: [ 287.340169][ T30] 1 lock held by khungtaskd/30: [ 287.345071][ T30] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 287.355004][ T30] 1 lock held by klogd/5183: [ 287.359597][ T30] #0: ffff8880b863e758 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 287.369580][ T30] 2 locks held by getty/5574: [ 287.374298][ T30] #0: ffff888030a0d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.384084][ T30] #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 287.394250][ T30] 2 locks held by syz-executor338/5818: [ 287.399783][ T30] #0: ffff888023dba0e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 [ 287.410022][ T30] #1: ffff888073300278 (&c->state_lock){+.+.}-{4:4}, at: __bch2_fs_stop+0xfd/0x5c0 [ 287.419510][ T30] [ 287.421841][ T30] ============================================= [ 287.421841][ T30] [ 287.430327][ T30] NMI backtrace for cpu 1 [ 287.434669][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 [ 287.445158][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.455202][ T30] Call Trace: [ 287.458480][ T30] [ 287.461405][ T30] dump_stack_lvl+0x241/0x360 [ 287.466087][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.471279][ T30] ? __pfx__printk+0x10/0x10 [ 287.475871][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.480806][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.486257][ T30] ? _printk+0xd5/0x120 [ 287.490407][ T30] ? __pfx__printk+0x10/0x10 [ 287.494990][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.499840][ T30] ? __pfx__printk+0x10/0x10 [ 287.504426][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.510424][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.516419][ T30] watchdog+0xff6/0x1040 [ 287.520676][ T30] ? watchdog+0x1ea/0x1040 [ 287.525099][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.529770][ T30] kthread+0x2f0/0x390 [ 287.533837][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.538509][ T30] ? __pfx_kthread+0x10/0x10 [ 287.543091][ T30] ret_from_fork+0x4b/0x80 [ 287.547502][ T30] ? __pfx_kthread+0x10/0x10 [ 287.552084][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.556853][ T30] [ 287.559987][ T30] Sending NMI from CPU 1 to CPUs 0: [ 287.565250][ C0] NMI backtrace for cpu 0 [ 287.565262][ C0] CPU: 0 UID: 0 PID: 52 Comm: kworker/u8:3 Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 [ 287.565281][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.565291][ C0] Workqueue: events_unbound toggle_allocation_gate [ 287.565316][ C0] RIP: 0010:mark_lock+0xa2/0x360 [ 287.565335][ C0] Code: 00 8b 1b 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 80 18 27 94 be 08 00 00 00 e8 c6 2b 88 00 48 0f a3 1d 7e f1 ab 12 <73> 10 48 69 c3 c8 00 00 00 48 8d 98 40 97 be 93 eb 68 48 c7 c0 c0 [ 287.565347][ C0] RSP: 0018:ffffc90000bc7638 EFLAGS: 00000057 [ 287.565360][ C0] RAX: 0000000000000001 RBX: 0000000000000039 RCX: ffffffff817b26fa [ 287.565371][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff94271880 [ 287.565381][ C0] RBP: 0000000000000002 R08: ffffffff94271887 R09: 1ffffffff284e310 [ 287.565391][ C0] R10: dffffc0000000000 R11: fffffbfff284e311 R12: ffff8880212d65f0 [ 287.565403][ C0] R13: dffffc0000000000 R14: 0000000000000004 R15: ffff8880212d65d0 [ 287.565415][ C0] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 287.565428][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.565439][ C0] CR2: 00007f347024d580 CR3: 000000000e736000 CR4: 00000000003526f0 [ 287.565453][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.565462][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.565477][ C0] Call Trace: [ 287.565484][ C0] [ 287.565491][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.565509][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 287.565525][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.565546][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.565566][ C0] ? nmi_handle+0x14f/0x5a0 [ 287.565581][ C0] ? nmi_handle+0x2a/0x5a0 [ 287.565597][ C0] ? mark_lock+0xa2/0x360 [ 287.565612][ C0] ? default_do_nmi+0x63/0x160 [ 287.565628][ C0] ? exc_nmi+0x123/0x1f0 [ 287.565643][ C0] ? end_repeat_nmi+0xf/0x53 [ 287.565659][ C0] ? mark_lock+0x9a/0x360 [ 287.565675][ C0] ? mark_lock+0xa2/0x360 [ 287.565690][ C0] ? mark_lock+0xa2/0x360 [ 287.565706][ C0] ? mark_lock+0xa2/0x360 [ 287.565722][ C0] [ 287.565727][ C0] [ 287.565734][ C0] lockdep_hardirqs_on_prepare+0x282/0x780 [ 287.565751][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.565766][ C0] ? text_poke_memcpy+0x25/0x30 [ 287.565783][ C0] ? __kmalloc_node_noprof+0xfd/0x4d0 [ 287.565798][ C0] ? rcu_is_watching+0x15/0xb0 [ 287.565815][ C0] ? __kmalloc_node_noprof+0xfd/0x4d0 [ 287.565829][ C0] trace_hardirqs_on+0x28/0x40 [ 287.565843][ C0] __text_poke+0x9bf/0xd30 [ 287.565860][ C0] ? __kmalloc_node_noprof+0xfd/0x4d0 [ 287.565875][ C0] ? __pfx_text_poke_memcpy+0x10/0x10 [ 287.565893][ C0] ? __pfx___text_poke+0x10/0x10 [ 287.565908][ C0] ? process_scheduled_works+0x976/0x1840 [ 287.565930][ C0] ? __pfx___might_resched+0x10/0x10 [ 287.565949][ C0] ? __pfx___might_resched+0x10/0x10 [ 287.565967][ C0] ? __pfx___mutex_trylock_common+0x10/0x10 [ 287.565988][ C0] ? __kmalloc_node_noprof+0xfd/0x4d0 [ 287.566002][ C0] text_poke_bp_batch+0x265/0xb30 [ 287.566020][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 287.566040][ C0] ? arch_jump_label_transform_apply+0x17/0x30 [ 287.566060][ C0] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 287.566079][ C0] ? arch_jump_label_transform_queue+0x9b/0x100 [ 287.566100][ C0] ? process_scheduled_works+0x976/0x1840 [ 287.566118][ C0] text_poke_finish+0x30/0x50 [ 287.566135][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 287.566153][ C0] static_key_disable_cpuslocked+0xd2/0x1c0 [ 287.566173][ C0] static_key_disable+0x1a/0x20 [ 287.566190][ C0] toggle_allocation_gate+0x1bf/0x260 [ 287.566209][ C0] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 287.566228][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.566248][ C0] process_scheduled_works+0xa66/0x1840 [ 287.566276][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 287.566298][ C0] ? assign_work+0x364/0x3d0 [ 287.566318][ C0] worker_thread+0x870/0xd30 [ 287.566337][ C0] ? __kthread_parkme+0x169/0x1d0 [ 287.566353][ C0] ? __pfx_worker_thread+0x10/0x10 [ 287.566367][ C0] kthread+0x2f0/0x390 [ 287.566382][ C0] ? __pfx_worker_thread+0x10/0x10 [ 287.566395][ C0] ? __pfx_kthread+0x10/0x10 [ 287.566410][ C0] ret_from_fork+0x4b/0x80 [ 287.566423][ C0] ? __pfx_kthread+0x10/0x10 [ 287.566438][ C0] ret_from_fork_asm+0x1a/0x30 [ 287.566461][ C0] [ 287.566468][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.218 msecs [ 287.567258][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 288.019874][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 [ 288.030366][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 288.040412][ T30] Call Trace: [ 288.043683][ T30] [ 288.046611][ T30] dump_stack_lvl+0x241/0x360 [ 288.051290][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 288.056489][ T30] ? __pfx__printk+0x10/0x10 [ 288.061071][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 288.067047][ T30] ? vscnprintf+0x5d/0x90 [ 288.071370][ T30] panic+0x349/0x880 [ 288.075260][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 288.081412][ T30] ? __pfx_panic+0x10/0x10 [ 288.085820][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 288.091189][ T30] ? __irq_work_queue_local+0x137/0x410 [ 288.096728][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 288.102092][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 288.108235][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 288.114400][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 288.120574][ T30] watchdog+0x1035/0x1040 [ 288.124912][ T30] ? watchdog+0x1ea/0x1040 [ 288.129332][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.134002][ T30] kthread+0x2f0/0x390 [ 288.138064][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.142729][ T30] ? __pfx_kthread+0x10/0x10 [ 288.147311][ T30] ret_from_fork+0x4b/0x80 [ 288.151721][ T30] ? __pfx_kthread+0x10/0x10 [ 288.156302][ T30] ret_from_fork_asm+0x1a/0x30 [ 288.161067][ T30] [ 288.164334][ T30] Kernel Offset: disabled [ 288.168655][ T30] Rebooting in 86400 seconds..