Warning: Permanently added '10.128.1.254' (ED25519) to the list of known hosts. executing program [ 158.591355][ T6556] loop0: detected capacity change from 0 to 32768 [ 158.648843][ T6556] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=crc64,data_checksum=xxhash,str_hash=crc32c,nojournal_transaction_names,version_upgrade=none [ 158.651716][ T6556] allowing incompatible features above 0.0: (unknown version) [ 158.653015][ T6556] features: new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes [ 158.655540][ T6556] bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0 [ 158.655630][ T6556] bcachefs (loop0): recovering from clean shutdown, journal seq 8 [ 158.661621][ T6556] bcachefs (loop0): accounting_read... done [ 158.662350][ T6556] bcachefs (loop0): alloc_read... done [ 158.663606][ T6556] bcachefs (loop0): snapshots_read... done [ 189.315113][ T6556] Allocator stuck? Waited for 30 seconds [ 189.315132][ T6556] Allocator debug: [ 189.315149][ T6556] capacity1536 [ 189.315153][ T6556] reserved 31232 [ 189.315157][ T6556] hidden 0 [ 189.315161][ T6556] btree 0 [ 189.315166][ T6556] data 0 [ 189.315169][ T6556] cached 0 [ 189.315173][ T6556] reserved 0 [ 189.315176][ T6556] online_reserved 0 [ 189.315178][ T6556] nr_inodes 0 [ 189.315181][ T6556] [ 189.315184][ T6556] freelist_wait waiting [ 189.315186][ T6556] open buckets allocated1 [ 189.315189][ T6556] open buckets total 1024 [ 189.315191][ T6556] open_buckets_wait empty [ 189.315194][ T6556] open_buckets_btree 0 [ 189.315197][ T6556] open_buckets_user 0 [ 189.315199][ T6556] btree reserve cache 0 [ 189.315202][ T6556] [ 189.315204][ T6556] Dev 0: [ 189.315207][ T6556] buckets sectors fragmented [ 189.315210][ T6556] free 0 0 0 [ 189.315213][ T6556] sb 0 0 0 [ 189.315215][ T6556] journal 0 0 0 [ 189.315218][ T6556] btree 0 0 0 [ 189.315221][ T6556] user 0 0 0 [ 189.315224][ T6556] cached 0 0 0 [ 189.315227][ T6556] parity 0 0 0 [ 189.315230][ T6556] stripe 0 0 0 [ 189.315233][ T6556] need_gc_gens 0 0 0 [ 189.315236][ T6556] need_discard 0 0 0 [ 189.315239][ T6556] unstriped 0 0 0 [ 189.315242][ T6556] capacity 128 [ 189.315244][ T6556] [ 189.315247][ T6556] reserves: [ 189.315249][ T6556] stripe 60 [ 189.315252][ T6556] normal 58 [ 189.315254][ T6556] copygc 56 [ 189.315257][ T6556] btree 28 [ 189.315259][ T6556] btree_copygc 0 [ 189.315262][ T6556] reclaim 0 [ 189.315264][ T6556] interior_updates 0 [ 189.315267][ T6556] [ 189.315269][ T6556] open buckets 0 [ 189.315272][ T6556] buckets to invalidate 0 [ 189.315274][ T6556] [ 189.315277][ T6556] Copygc debug: [ 189.315279][ T6556] running: 0 [ 189.315282][ T6556] copygc_wait:0 [ 189.315284][ T6556] copygc_wait_at:0 [ 189.315286][ T6556] Currently waiting for:0 B [ 189.315289][ T6556] Currently waiting since:644 KiB [ 189.315292][ T6556] Currently calculated wait: [ 189.315294][ T6556] loop0: 0 B [ 189.315297][ T6556] [ 189.315299][ T6556] Journal debug: [ 189.315301][ T6556] flags: [ 189.315304][ T6556] dirty journal entries: 0/32768 [ 189.315307][ T6556] seq: 8 [ 189.315309][ T6556] seq_ondisk: 8 [ 189.315312][ T6556] last_seq: 9 [ 189.315314][ T6556] last_seq_ondisk: 9 [ 189.315317][ T6556] flushed_seq_ondisk: 8 [ 189.315319][ T6556] watermark: stripe [ 189.315322][ T6556] each entry reserved: 321 [ 189.315325][ T6556] nr flush writes: 0 [ 189.315327][ T6556] nr noflush writes: 0 [ 189.315330][ T6556] average write size: 0 B [ 189.315332][ T6556] free buf: 65536 [ 189.315335][ T6556] nr direct reclaim: 0 [ 189.315337][ T6556] nr background reclaim: 0 [ 189.315340][ T6556] reclaim kicked: 0 [ 189.315343][ T6556] reclaim runs in: 0 ms [ 189.315345][ T6556] blocked: 0 [ 189.315348][ T6556] current entry sectors: 0 [ 189.315350][ T6556] current entry error: (No error) [ 189.315353][ T6556] current entry: closed [ 189.315356][ T6556] unwritten entries: [ 189.315358][ T6556] last buf closed [ 189.315361][ T6556] space: [ 189.315363][ T6556] discarded 0:0 [ 189.315366][ T6556] clean ondisk 0:0 [ 189.315368][ T6556] clean 0:0 [ 189.315371][ T6556] total 0:0 [ 189.315373][ T6556] replicas want 1 need 1 [ 428.024948][ T32] INFO: task syz-executor28 ** replaying previous printk message ** [ 428.024948][ T32] INFO: task syz-executor285:6556 blocked for more than 143 seconds. [ 428.024977][ T32] Not tainted syzkaller #0 [ 428.025395][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.025401][ T32] task:syz-executor285 state:D stack:0 pid:6556 tgid:6556 ppid:6555 task_flags:0x400140 flags:0x00000019 [ 428.025415][ T32] Call trace: [ 428.025419][ T32] __switch_to+0x418/0x87c (T) [ 428.025436][ T32] __schedule+0x13b0/0x2864 [ 428.025443][ T32] schedule+0xb4/0x230 [ 428.025450][ T32] __closure_sync+0x160/0x278 [ 428.025458][ T32] __bch2_wait_on_allocator+0x19c/0x214 [ 428.025466][ T32] bch2_set_nr_journal_buckets_loop+0x1288/0x1664 [ 428.025473][ T32] bch2_dev_journal_alloc+0x12c/0x240 [ 428.025479][ T32] bch2_fs_journal_alloc+0x3fc/0x47c [ 428.025485][ T32] __bch2_run_recovery_passes+0x2b8/0xd54 [ 428.025492][ T32] bch2_run_recovery_passes+0x174/0x1f4 [ 428.025497][ T32] bch2_fs_recovery+0x1c34/0x2fb4 [ 428.025503][ T32] bch2_fs_start+0x940/0xbec [ 428.025510][ T32] bch2_fs_get_tree+0x880/0x107c [ 428.025518][ T32] vfs_get_tree+0x90/0x28c [ 428.025525][ T32] do_new_mount+0x278/0x7f4 [ 428.025531][ T32] path_mount+0x5b4/0xde0 [ 428.025536][ T32] __arm64_sys_mount+0x3e8/0x468 [ 428.025542][ T32] invoke_syscall+0x98/0x254 [ 428.025549][ T32] el0_svc_common+0x130/0x23c [ 428.025555][ T32] do_el0_svc+0x48/0x58 [ 428.025560][ T32] el0_svc+0x5c/0x254 [ 428.025568][ T32] el0t_64_sync_handler+0x84/0x12c [ 428.025576][ T32] el0t_64_sync+0x198/0x19c [ 428.025587][ T32] [ 428.025587][ T32] Showing all locks held in the system: [ 428.025593][ T32] 1 lock held by khungtaskd/32: [ 428.025597][ T32] #0: ffff80008f9d9620 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 [ 428.025619][ T32] 2 locks held by kworker/u8:3/42: [ 428.025623][ T32] 2 locks held by pr/ttyAMA-1/43: [ 428.025641][ T32] 2 locks held by getty/6315: [ 428.025645][ T32] #0: ffff0000d388d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c [ 428.025664][ T32] #1: ffff800099e8e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa4 [ 428.025685][ T32] [ 428.025688][ T32] ============================================= [ 428.025688][ T32] [ 428.025692][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 428.061242][ T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT [ 428.062669][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 [ 428.064329][ T32] Call trace: [ 428.064872][ T32] show_stack+0x2c/0x3c (C) [ 428.065584][ T32] __dump_stack+0x30/0x40 [ 428.066252][ T32] dump_stack_lvl+0x30/0x12c [ 428.066953][ T32] dump_stack+0x1c/0x28 [ 428.067602][ T32] vpanic+0x280/0x780 [ 428.068234][ T32] vpanic+0x0/0x780 [ 428.068806][ T32] hung_task_panic+0x0/0x2c [ 428.069469][ T32] kthread+0x5fc/0x75c [ 428.070076][ T32] ret_from_fork+0x10/0x20 [ 428.070725][ T32] SMP: stopping secondary CPUs [ 428.071445][ T32] Kernel Offset: disabled [ 428.072086][ T32] CPU features: 0x080000,0000f000,21381141,5427fea7 [ 428.073042][ T32] Memory Limit: none [ 428.282794][ T32] Rebooting in 86400 seconds..