Warning: Permanently added '10.128.10.28' (ED25519) to the list of known hosts. executing program [ 120.090811][ T5228] loop0: detected capacity change from 0 to 32768 [ 120.099251][ T5228] ======================================================= [ 120.099251][ T5228] WARNING: The mand mount option has been deprecated and [ 120.099251][ T5228] and is ignored by this kernel. Remove the mand [ 120.099251][ T5228] option from the mount to silence this warning. [ 120.099251][ T5228] ======================================================= [ 120.138651][ T5228] bcachefs (/dev/loop0): error reading default superblock: checksum error, type crc32c_nonzero: got 4663d467 should be 29d2fb78 [ 120.191197][ T5228] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,compression=zstd,norecovery,recovery_pass_last=check_dirents,nojournal_transaction_names,version_upgrade=none [ 120.210384][ T5228] bcachefs (loop0): recovering from clean shutdown, journal seq 7 [ 120.224107][ T5228] bcachefs (loop0): flagging btree xattrs lost data [ 120.233283][ T5228] error reading btree root xattrs l=0: btree_node_read_error, fixing [ 120.241404][ T5228] bcachefs (loop0): will run btree node scan [ 120.249577][ T5228] invalid bkey u64s 11 type alloc_v4 0:14:0 len 0 ver 0: [ 120.249592][ T5228] gen 0 oldest_gen 0 data_type journal [ 120.249598][ T5228] journal_seq 1 [ 120.249604][ T5228] need_discard 1 [ 120.249609][ T5228] need_inc_gen 1 [ 120.249614][ T5228] dirty_sectors 256 [ 120.249619][ T5228] stripe_sectors 0 [ 120.249624][ T5228] cached_sectors 0 [ 120.249629][ T5228] stripe 67108864 [ 120.249634][ T5228] stripe_redundancy 0 [ 120.249642][ T5228] io_time[READ] 1 [ 120.249647][ T5228] io_time[WRITE] 1 [ 120.249652][ T5228] fragmentation 0 [ 120.249657][ T5228] bp_start 8 [ 120.249662][ T5228] [ 120.249667][ T5228] invalid data type (got 2 should be 7): delete?, fixing [ 120.328657][ T5228] bcachefs (loop0): scan_for_btree_nodes... [ 120.331925][ T5228] bch2_scan_for_btree_nodes: nodes found after overwrites: [ 120.331943][ T5228] extents l=0 seq=1 journal_seq=4 cookie=b77ad9ee5a61c7f0 POS_MIN-SPOS_MAX ptr: 0:27:0 gen 0 [ 120.331950][ T5228] xattrs l=0 seq=1 journal_seq=4 cookie=1477538288e6fe55 POS_MIN-18374697474787901439:U64_MAX:U32_MAX ptr: 0:31:0 gen 0 [ 120.331957][ T5228] lru l=0 seq=1 journal_seq=4 cookie=d19419031ca39bdb POS_MIN-SPOS_MAX ptr: 0:28:0 gen 0 [ 120.331964][ T5228] deleted_inodes l=0 seq=1 journal_seq=0 cookie=a34c10fbe2d33ffa POS_MIN-SPOS_MAX ptr: 0:42:0 gen 0 [ 120.331970][ T5228] [ 120.392070][ T5228] done [ 120.394861][ T5228] bcachefs (loop0): check_topology... [ 120.394931][ T5228] bcachefs (loop0): btree root xattrs unreadable, must recover from scan [ 120.409137][ T5228] bcachefs (loop0): bch2_get_scanned_nodes(): recovering xattrs l=0 POS_MIN - SPOS_MAX [ 120.418948][ T5228] bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 18374697474787901439:U64_MAX:U32_MAX len 0 ver 0: seq 1477538288e6fe55 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0 [ 120.441548][ T41] bcachefs (loop0): error validating btree node on loop0 at btree xattrs level 0/0 [ 120.441565][ T41] u64s 11 type btree_ptr_v2 18374697474787901439:U64_MAX:U32_MAX len 0 ver 0: seq 1477538288e6fe55 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0 [ 120.441574][ T41] node offset 0/16 bset u64s 0: checksum error, type crc32c_nonzero: got d39549dc should be c5f649bb, fixing [ 120.480089][ T41] bcachefs (loop0): btree_node_read_work: rewriting btree node at btree=xattrs level=0 18374697474787901439:U64_MAX:U32_MAX due to error [ 120.494880][ T5228] btree node with incorrect max_keyat btree xattrs level 1: [ 120.494896][ T5228] parent: u64s 5 type btree_ptr SPOS_MAX len 0 ver 0 [ 120.494903][ T5228] child: u64s 11 type btree_ptr_v2 18374697474787901439:U64_MAX:U32_MAX len 0 ver 0: seq 1477538288e6fe55 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0, fixing [ 120.527318][ T5228] bcachefs (loop0): bch2_get_scanned_nodes(): recovering xattrs l=0 18374697474787901440:0:0 - SPOS_MAX [ 120.538654][ T5228] btree node with incorrect max_keyat btree xattrs level 1: [ 120.538665][ T5228] parent: u64s 5 type btree_ptr SPOS_MAX len 0 ver 0 [ 120.538671][ T5228] child: u64s 11 type btree_ptr_v2 18374697474787901439:U64_MAX:U32_MAX len 0 ver 0: seq 1477538288e6fe55 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0, fixing [ 120.570489][ T5228] bcachefs (loop0): set_node_max(): u64s 11 type btree_ptr_v2 18374697474787901439:U64_MAX:U32_MAX len 0 ver 0: seq 1477538288e6fe55 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0 -> SPOS_MAX [ 120.590560][ T5228] done [ 120.593393][ T5228] bcachefs (loop0): accounting_read... done [ 120.599686][ T5228] bcachefs (loop0): alloc_read... done [ 120.605268][ T5228] bcachefs (loop0): stripes_read... done [ 120.610956][ T5228] bcachefs (loop0): snapshots_read... done [ 120.619410][ T5228] bcachefs (loop0): going read-write [ 120.636335][ T5228] bcachefs (loop0): done starting filesystem [ 120.656130][ T5227] bcachefs (loop0): shutting down [ 120.661376][ T5227] bcachefs (loop0): going read-only [ 150.933264][ T5240] Allocator stuck? Waited for 30 seconds [ 150.933285][ T5240] Allocator debug: [ 150.933294][ T5240] capacity1536 [ 150.933302][ T5240] reserved 31232 [ 150.933310][ T5240] hidden 0 [ 150.933318][ T5240] btree 0 [ 150.933326][ T5240] data 0 [ 150.933335][ T5240] cached 0 [ 150.933344][ T5240] reserved 0 [ 150.933352][ T5240] online_reserved 536 [ 150.933361][ T5240] nr_inodes 0 [ 150.933369][ T5240] [ 150.933377][ T5240] freelist_wait waiting [ 150.933386][ T5240] open buckets allocated1 [ 150.933395][ T5240] open buckets total 1024 [ 150.933404][ T5240] open_buckets_wait empty [ 150.933412][ T5240] open_buckets_btree 0 [ 150.933421][ T5240] open_buckets_user 0 [ 150.933430][ T5240] btree reserve cache 0 [ 150.933439][ T5240] [ 150.933447][ T5240] Dev 0: [ 150.933455][ T5240] buckets sectors fragmented [ 150.933465][ T5240] free 0 0 0 [ 150.933476][ T5240] sb 0 0 0 [ 150.933486][ T5240] journal 0 0 0 [ 150.933496][ T5240] btree 0 0 0 [ 150.933504][ T5240] user 0 0 0 [ 150.933513][ T5240] cached 0 0 0 [ 150.933521][ T5240] parity 0 0 0 [ 150.933530][ T5240] stripe 0 0 0 [ 150.933539][ T5240] need_gc_gens 0 0 0 [ 150.933549][ T5240] need_discard 0 0 0 [ 150.933558][ T5240] unstriped 0 0 0 [ 150.933567][ T5240] capacity 128 [ 150.933575][ T5240] [ 150.933582][ T5240] reserves: [ 150.933589][ T5240] stripe 60 [ 150.933597][ T5240] normal 58 [ 150.933605][ T5240] copygc 56 [ 150.933613][ T5240] btree 28 [ 150.933620][ T5240] btree_copygc 0 [ 150.933627][ T5240] reclaim 0 [ 150.933636][ T5240] interior_updates 0 [ 150.933645][ T5240] [ 150.933653][ T5240] open buckets 0 [ 150.933661][ T5240] buckets to invalidate 0 [ 150.933668][ T5240] [ 150.933676][ T5240] Copygc debug: [ 150.933684][ T5240] running: 1 [ 150.933692][ T5240] copygc_wait:0 [ 150.933700][ T5240] copygc_wait_at:0 [ 150.933708][ T5240] Currently waiting for:0 B [ 150.933721][ T5240] Currently waiting since:640 KiB [ 150.933730][ T5240] Currently calculated wait:0 B [ 150.933739][ T5240] [ 150.933747][ T5240] Journal debug: [ 150.933755][ T5240] flags: running,may_skip_flush [ 150.933767][ T5240] dirty journal entries: 0/32768 [ 150.933776][ T5240] seq: 8 [ 150.933785][ T5240] seq_ondisk: 8 [ 150.933794][ T5240] last_seq: 9 [ 150.933802][ T5240] last_seq_ondisk: 8 [ 150.933813][ T5240] flushed_seq_ondisk: 8 [ 150.933821][ T5240] watermark: stripe [ 150.933830][ T5240] each entry reserved: 321 [ 150.933839][ T5240] nr flush writes: 1 [ 150.933847][ T5240] nr noflush writes: 0 [ 150.933855][ T5240] average write size: 1.13 KiB [ 150.933863][ T5240] nr direct reclaim: 0 [ 150.933871][ T5240] nr background reclaim: 0 [ 150.933879][ T5240] reclaim kicked: 0 [ 150.933887][ T5240] reclaim runs in: 0 ms [ 150.933894][ T5240] blocked: 0 [ 150.933902][ T5240] current entry sectors: 256 [ 150.933907][ T5240] current entry error: ok [ 150.933911][ T5240] current entry: closed [ 150.933917][ T5240] unwritten entries: [ 150.933924][ T5240] last buf closed [ 150.933928][ T5240] space: [ 150.933933][ T5240] discarded 256:1536 [ 150.933938][ T5240] clean ondisk 256:1536 [ 150.933943][ T5240] clean 256:1536 [ 150.933948][ T5240] total 256:2048 [ 150.933953][ T5240] dev 0: [ 150.933958][ T5240] nr 8 [ 150.933962][ T5240] bucket size 256 [ 150.933968][ T5240] available 6:248 [ 150.933973][ T5240] discard_idx 0 [ 150.933977][ T5240] dirty_ondisk 0 (seq 8) [ 150.933982][ T5240] dirty_idx 0 (seq 8) [ 150.933988][ T5240] cur_idx 0 (seq 8) [ 150.933993][ T5240] [ 151.383090][ T12] Allocator stuck? Waited for 30 seconds [ 151.383111][ T12] Allocator debug: [ 151.383117][ T12] capacity1536 [ 151.383122][ T12] reserved 31232 [ 151.383128][ T12] hidden 0 [ 151.383133][ T12] btree 0 [ 151.383138][ T12] data 0 [ 151.383144][ T12] cached 0 [ 151.383149][ T12] reserved 0 [ 151.383154][ T12] online_reserved 536 [ 151.383160][ T12] nr_inodes 0 [ 151.383165][ T12] [ 151.383170][ T12] freelist_wait waiting [ 151.383176][ T12] open buckets allocated1 [ 151.383181][ T12] open buckets total 1024 [ 151.383186][ T12] open_buckets_wait empty [ 151.383192][ T12] open_buckets_btree 0 [ 151.383197][ T12] open_buckets_user 0 [ 151.383202][ T12] btree reserve cache 0 [ 151.383207][ T12] [ 151.383212][ T12] Dev 0: [ 151.383217][ T12] buckets sectors fragmented [ 151.383223][ T12] free 0 0 0 [ 151.383229][ T12] sb 0 0 0 [ 151.383236][ T12] journal 0 0 0 [ 151.383242][ T12] btree 0 0 0 [ 151.383248][ T12] user 0 0 0 [ 151.383254][ T12] cached 0 0 0 [ 151.383260][ T12] parity 0 0 0 [ 151.383266][ T12] stripe 0 0 0 [ 151.383272][ T12] need_gc_gens 0 0 0 [ 151.383278][ T12] need_discard 0 0 0 [ 151.383284][ T12] unstriped 0 0 0 [ 151.383290][ T12] capacity 128 [ 151.383295][ T12] [ 151.383300][ T12] reserves: [ 151.383305][ T12] stripe 60 [ 151.383321][ T12] normal 58 [ 151.383326][ T12] copygc 56 [ 151.383332][ T12] btree 28 [ 151.383337][ T12] btree_copygc 0 [ 151.383342][ T12] reclaim 0 [ 151.383348][ T12] interior_updates 0 [ 151.383353][ T12] [ 151.383358][ T12] open buckets 0 [ 151.383363][ T12] buckets to invalidate 0 [ 151.383369][ T12] [ 151.383373][ T12] Copygc debug: [ 151.383378][ T12] running: 1 [ 151.383383][ T12] copygc_wait:0 [ 151.383389][ T12] copygc_wait_at:0 [ 151.383394][ T12] Currently waiting for:0 B [ 151.383399][ T12] Currently waiting since:640 KiB [ 151.383405][ T12] Currently calculated wait:0 B [ 151.383410][ T12] [ 151.383415][ T12] Journal debug: [ 151.383420][ T12] flags: running,may_skip_flush [ 151.383426][ T12] dirty journal entries: 0/32768 [ 151.383431][ T12] seq: 8 [ 151.383437][ T12] seq_ondisk: 8 [ 151.383442][ T12] last_seq: 9 [ 151.383447][ T12] last_seq_ondisk: 8 [ 151.383453][ T12] flushed_seq_ondisk: 8 [ 151.383458][ T12] watermark: stripe [ 151.383464][ T12] each entry reserved: 321 [ 151.383469][ T12] nr flush writes: 1 [ 151.383474][ T12] nr noflush writes: 0 [ 151.383480][ T12] average write size: 1.13 KiB [ 151.383485][ T12] nr direct reclaim: 0 [ 151.383490][ T12] nr background reclaim: 0 [ 151.383496][ T12] reclaim kicked: 0 [ 151.383501][ T12] reclaim runs in: 0 ms [ 151.383507][ T12] blocked: 0 [ 151.383512][ T12] current entry sectors: 256 [ 151.383517][ T12] current entry error: ok [ 151.383523][ T12] current entry: closed [ 151.383528][ T12] unwritten entries: [ 151.383534][ T12] last buf closed [ 151.383539][ T12] space: [ 151.383544][ T12] discarded 256:1536 [ 151.383549][ T12] clean ondisk 256:1536 [ 151.383555][ T12] clean 256:1536 [ 151.383560][ T12] total 256:2048 [ 151.383566][ T12] dev 0: [ 151.383571][ T12] nr 8 [ 151.383576][ T12] bucket size 256 [ 151.383582][ T12] available 6:248 [ 151.383587][ T12] discard_idx 0 [ 151.383592][ T12] dirty_ondisk 0 (seq 8) [ 151.383598][ T12] dirty_idx 0 (seq 8) [ 151.383604][ T12] cur_idx 0 (seq 8) [ 151.383609][ T12] [ 286.604267][ T30] INFO: task syz-executor125:5227 blocked for more than 143 seconds. [ 286.612473][ T30] Not tainted 6.11.0-syzkaller-10622-gaa486552a110 #0 [ 286.619878][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.628766][ T30] task:syz-executor125 state:D stack:23072 pid:5227 tgid:5227 ppid:5225 flags:0x00004002 [ 286.639198][ T30] Call Trace: [ 286.642558][ T30] [ 286.645502][ T30] __schedule+0x1843/0x4ae0 [ 286.650013][ T30] ? __pfx___schedule+0x10/0x10 [ 286.654934][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.659971][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.665910][ T30] ? __pfx___bch2_print+0x10/0x10 [ 286.670949][ T30] ? schedule+0x90/0x320 [ 286.675258][ T30] schedule+0x14b/0x320 [ 286.679432][ T30] bch2_fs_read_only+0xa86/0x1200 [ 286.684534][ T30] ? __pfx_bch2_fs_read_only+0x10/0x10 [ 286.690001][ T30] ? __bch2_print+0x17a/0x220 [ 286.694766][ T30] ? __pfx_autoremove_wake_function+0x10/0x10 [ 286.700848][ T30] ? down_write+0x18c/0x220 [ 286.705404][ T30] ? __pfx_down_write+0x10/0x10 [ 286.710271][ T30] ? hook_sb_delete+0xaa0/0xbd0 [ 286.715316][ T30] __bch2_fs_stop+0x105/0x540 [ 286.720023][ T30] ? __pfx___bch2_fs_stop+0x10/0x10 [ 286.725297][ T30] ? __pfx_evict_inodes+0x10/0x10 [ 286.730441][ T30] ? bch2_sync_fs+0x155/0x300 [ 286.735235][ T30] ? __pfx_bch2_put_super+0x10/0x10 [ 286.740474][ T30] generic_shutdown_super+0x139/0x2d0 [ 286.745966][ T30] bch2_kill_sb+0x41/0x50 [ 286.750331][ T30] deactivate_locked_super+0xc4/0x130 [ 286.755914][ T30] cleanup_mnt+0x41f/0x4b0 [ 286.760348][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.765598][ T30] task_work_run+0x24f/0x310 [ 286.770206][ T30] ? __pfx_task_work_run+0x10/0x10 [ 286.775464][ T30] ? __x64_sys_umount+0x123/0x170 [ 286.780589][ T30] ? syscall_exit_to_user_mode+0xa3/0x370 [ 286.786371][ T30] syscall_exit_to_user_mode+0x168/0x370 [ 286.792048][ T30] do_syscall_64+0x100/0x230 [ 286.796713][ T30] ? clear_bhb_loop+0x35/0x90 [ 286.801402][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.807389][ T30] RIP: 0033:0x7f797e14d347 [ 286.811857][ T30] RSP: 002b:00007fff8ef1f688 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 286.820399][ T30] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f797e14d347 [ 286.828452][ T30] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff8ef1f740 [ 286.836588][ T30] RBP: 00007fff8ef1f740 R08: 0000000000000000 R09: 0000000000000000 [ 286.844718][ T30] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fff8ef207a0 [ 286.852808][ T30] R13: 00005555821bb6c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 286.860889][ T30] [ 286.864010][ T30] [ 286.864010][ T30] Showing all locks held in the system: [ 286.871728][ T30] 4 locks held by kworker/u8:1/12: [ 286.876937][ T30] #0: ffff888025bc3148 ((wq_completion)btree_node_rewrite){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 [ 286.889024][ T30] #1: ffffc90000117d00 ((work_completion)(&a->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 [ 286.900638][ T30] #2: ffff888075284398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x7de/0xd20 [ 286.911163][ T30] #3: ffff8880752a66d0 (&c->gc_lock){.+.+}-{3:3}, at: bch2_btree_update_start+0x682/0x14e0 [ 286.921385][ T30] 1 lock held by khungtaskd/30: [ 286.926297][ T30] #0: ffffffff8e937ee0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 286.936399][ T30] 2 locks held by getty/4973: [ 286.941063][ T30] #0: ffff8880317a80a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 286.950887][ T30] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 [ 286.961063][ T30] 2 locks held by syz-executor125/5227: [ 286.966633][ T30] #0: ffff88802e9ca0e0 (&type->s_umount_key#44){+.+.}-{3:3}, at: deactivate_super+0xb5/0xf0 [ 286.977116][ T30] #1: ffff888075280278 (&c->state_lock){+.+.}-{3:3}, at: __bch2_fs_stop+0xfd/0x540 [ 286.986688][ T30] [ 286.989018][ T30] ============================================= [ 286.989018][ T30] [ 286.997686][ T30] NMI backtrace for cpu 1 [ 287.002049][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-syzkaller-10622-gaa486552a110 #0 [ 287.012306][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 287.022449][ T30] Call Trace: [ 287.025804][ T30] [ 287.028725][ T30] dump_stack_lvl+0x241/0x360 [ 287.033404][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.038591][ T30] ? __pfx__printk+0x10/0x10 [ 287.043175][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.048104][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.053559][ T30] ? _printk+0xd5/0x120 [ 287.057713][ T30] ? __pfx__printk+0x10/0x10 [ 287.062298][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.067146][ T30] ? __pfx__printk+0x10/0x10 [ 287.071733][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.077725][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.083714][ T30] watchdog+0xff4/0x1040 [ 287.087952][ T30] ? watchdog+0x1ea/0x1040 [ 287.092385][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.097084][ T30] kthread+0x2f0/0x390 [ 287.101181][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.105864][ T30] ? __pfx_kthread+0x10/0x10 [ 287.110446][ T30] ret_from_fork+0x4b/0x80 [ 287.114859][ T30] ? __pfx_kthread+0x10/0x10 [ 287.119459][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.124240][ T30] [ 287.127392][ T30] Sending NMI from CPU 1 to CPUs 0: [ 287.132672][ C0] NMI backtrace for cpu 0 [ 287.132686][ C0] CPU: 0 UID: 0 PID: 4660 Comm: klogd Not tainted 6.11.0-syzkaller-10622-gaa486552a110 #0 [ 287.132705][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 287.132714][ C0] RIP: 0010:unix_dgram_sendmsg+0xc74/0x1f80 [ 287.132739][ C0] Code: 82 08 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 40 0f b6 04 01 84 c0 0f 85 75 04 00 00 48 8b 44 24 08 48 05 a0 01 00 00 <48> 89 44 24 78 48 8b 44 24 10 0f b7 18 bf 05 00 00 00 89 de e8 73 [ 287.132756][ C0] RSP: 0018:ffffc90003b2faa0 EFLAGS: 00000282 [ 287.132771][ C0] RAX: ffff888030115420 RBX: 0000000000000000 RCX: 1ffff11006022cd8 [ 287.132783][ C0] RDX: ffff88807d1a5a00 RSI: 0000000000000000 RDI: 0000000000000000 [ 287.132794][ C0] RBP: ffffc90003b2fc70 R08: ffffffff8a57cdd5 R09: 1ffff11006022a5c [ 287.132806][ C0] R10: dffffc0000000000 R11: ffffed1006022a5d R12: 000000000000008b [ 287.132817][ C0] R13: ffff8880301152e0 R14: 1ffff92000765f80 R15: 1ffff11006022ac8 [ 287.132829][ C0] FS: 00007fe55c428380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 287.132843][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.132855][ C0] CR2: 000055a4b0dd7680 CR3: 0000000031c22000 CR4: 00000000003506f0 [ 287.132868][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.132878][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.132888][ C0] Call Trace: [ 287.132893][ C0] [ 287.132900][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.132921][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 287.132943][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.132963][ C0] ? nmi_handle+0x2a/0x5a0 [ 287.132985][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.133003][ C0] ? nmi_handle+0x14f/0x5a0 [ 287.133018][ C0] ? nmi_handle+0x2a/0x5a0 [ 287.133033][ C0] ? unix_dgram_sendmsg+0xc74/0x1f80 [ 287.133050][ C0] ? default_do_nmi+0x63/0x160 [ 287.133071][ C0] ? exc_nmi+0x123/0x1f0 [ 287.133090][ C0] ? end_repeat_nmi+0xf/0x53 [ 287.133109][ C0] ? unix_dgram_sendmsg+0xc45/0x1f80 [ 287.133128][ C0] ? unix_dgram_sendmsg+0xc74/0x1f80 [ 287.133146][ C0] ? unix_dgram_sendmsg+0xc74/0x1f80 [ 287.133164][ C0] ? unix_dgram_sendmsg+0xc74/0x1f80 [ 287.133181][ C0] [ 287.133187][ C0] [ 287.133203][ C0] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 287.133228][ C0] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 287.133244][ C0] __sock_sendmsg+0x221/0x270 [ 287.133261][ C0] __sys_sendto+0x39b/0x4f0 [ 287.133281][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 287.133309][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.133330][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.133357][ C0] __x64_sys_sendto+0xde/0x100 [ 287.133377][ C0] do_syscall_64+0xf3/0x230 [ 287.133394][ C0] ? clear_bhb_loop+0x35/0x90 [ 287.133412][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.133428][ C0] RIP: 0033:0x7fe55c58a9b5 [ 287.133440][ C0] Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83 [ 287.133453][ C0] RSP: 002b:00007ffc049af108 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 287.133468][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe55c58a9b5 [ 287.133479][ C0] RDX: 000000000000008b RSI: 0000564f332186b0 RDI: 0000000000000003 [ 287.133489][ C0] RBP: 0000564f33213910 R08: 0000000000000000 R09: 0000000000000000 [ 287.133499][ C0] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 [ 287.133509][ C0] R13: 00007fe55c718212 R14: 00007ffc049af208 R15: 0000000000000000 [ 287.133527][ C0] [ 287.133669][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 287.494116][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-syzkaller-10622-gaa486552a110 #0 [ 287.504269][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 287.514401][ T30] Call Trace: [ 287.517673][ T30] [ 287.520595][ T30] dump_stack_lvl+0x241/0x360 [ 287.525274][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.530466][ T30] ? __pfx__printk+0x10/0x10 [ 287.535057][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.541050][ T30] ? vscnprintf+0x5d/0x90 [ 287.545408][ T30] panic+0x349/0x880 [ 287.549301][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.555453][ T30] ? __pfx_panic+0x10/0x10 [ 287.559861][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 287.565228][ T30] ? __irq_work_queue_local+0x137/0x410 [ 287.570776][ T30] ? irq_work_queue+0xca/0x150 [ 287.575530][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.581502][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.587474][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.593444][ T30] ? nmi_trigger_cpumask_backtrace+0x251/0x320 [ 287.599593][ T30] watchdog+0x1033/0x1040 [ 287.603915][ T30] ? watchdog+0x1ea/0x1040 [ 287.608326][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.612994][ T30] kthread+0x2f0/0x390 [ 287.617057][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.621723][ T30] ? __pfx_kthread+0x10/0x10 [ 287.626419][ T30] ret_from_fork+0x4b/0x80 [ 287.630830][ T30] ? __pfx_kthread+0x10/0x10 [ 287.635411][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.640176][ T30] [ 287.643422][ T30] Kernel Offset: disabled [ 287.647738][ T30] Rebooting in 86400 seconds..