syzbot


Instances [tested repos]:
Name Last active Uptime Corpus Coverage 🛈 Crashes Execs Kernel build syzkaller build Bugs
Commit Config Freshness Status Commit Freshness Status All Only
ci2-linux-5-15-kasan-arm64 165d broken c79648372d02 .config 207d failing df949cd9 10h01m all only
Applied filters: Manager=ci2-linux-5-15-kasan-arm64 (drop) Label=origin:lts-only (drop)
open (228) 🔗
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Last activity
Internal error in fanotify_ioctl origin:lts-only 2 C error 9 62d 171d 170d
Internal error in prctl_get_tid_address origin:lts-only 2 C error 9 7d14h 175d 175d
Internal error in ns_ioctl origin:lts-only 2 C error 5 16d 176d 176d
Internal error in btf_get_info_by_fd origin:lts-only 2 C error 5 62d 177d 177d
Internal error in sys_getgroups origin:lts-only 2 C error 17 36d 178d 177d
Internal error in sys_get_mempolicy origin:lts-only 2 C error 15 4d03h 180d 175d
Internal error in mm_release origin:lts-only 2 C error 3 2d02h 180d 180d
Internal error in timerfd_read origin:lts-only 2 C error 15 11h30m 181d 180d
Internal error in ptrace_request origin:lts-only 2 syz error 21 72d 181d 172d
Internal error in __rseq_handle_notify_resume origin:lts-only 2 C error 20 7d13h 181d 177d
Internal error in fault_in_writeable origin:lts-only 2 C error 26 25d 181d 168d
Internal error in fsverity_ioctl_measure origin:lts-only 2 C error 22 39d 181d 180d
Internal error in sys_prctl origin:lts-only 2 C error 55 56d 183d 183d
Internal error in sys_sched_setattr origin:lts-only 2 C error 70 33d 183d 182d
Internal error in pipe_ioctl origin:lts-only 2 C error 32 64d 184d 182d
Internal error in ep_poll origin:lts-only 2 C error 45 37d 184d 179d
Internal error in inotify_ioctl origin:lts-only 2 C error 25 58d 184d 182d
Internal error in prctl_set_mm origin:lts-only 2 C error 16 58d 184d 183d
Internal error in __receive_fd origin:lts-only 2 C error 45 56d 184d 183d
Internal error in fat_dir_ioctl origin:lts-only 2 C error 36 9d11h 184d 182d
Internal error in fscrypt_ioctl_set_policy origin:lts-only 2 C error 100 75d 184d 182d
Internal error in sys_pselect6 origin:lts-only 2 C error 18 59d 184d 182d
Internal error in sys_setgroups origin:lts-only 2 C error 25 58d 184d 183d
Internal error in bpf_obj_get_next_id origin:lts-only 2 C error 76 8d23h 184d 182d
Internal error in __htab_map_lookup_and_delete_batch origin:lts-only 2 C error 20 18d 184d 182d
Internal error in ext2_ioctl origin:lts-only 2 C error 8 1d23h 184d 183d
Internal error in sys_sendfile64 origin:lts-only 2 C error 133 55d 184d 182d
Internal error in generic_map_lookup_batch origin:lts-only 2 C error 21 24d 184d 179d
Internal error in fat_generic_ioctl origin:lts-only 2 C error 103 56d 184d 182d
Internal error in ext4_ioctl origin:lts-only 2 C error 202 25d 184d 182d
Internal error in copy_from_kernel_nofault origin:lts-only 2 C error 33 40d 184d 182d
Internal error in userfaultfd_ioctl origin:lts-only 2 C error 22 65d 184d 183d
Internal error in fault_in_readable origin:lts-only 2 C error 7868 8d23h 185d 182d
Internal error in do_fcntl origin:lts-only 2 C error 14 56d 185d 183d
Internal error in sys_name_to_handle_at origin:lts-only 2 C error 175 59d 185d 182d
Internal error in do_sys_poll origin:lts-only 2 C error 129 55d 185d 183d
Internal error in snapshot_ioctl origin:lts-only 2 C error 48 55d 185d 182d
Internal error in sys_getresuid origin:lts-only 2 C error 608 24d 185d 183d
Internal error in sys_waitid origin:lts-only 2 C error 21 41d 185d 182d
Internal error in filldir64 origin:lts-only 2 C error 2721 55d 185d 183d
Internal error in do_vfs_ioctl origin:lts-only 2 C error 1067 5d10h 185d 182d
Internal error in do_execveat_common origin:lts-only 2 C error 21 39d 185d 182d
Internal error in bpf_vlog_reset origin:lts-only 2 C error 25 58d 185d 182d
Internal error in futex_requeue origin:lts-only 2 C error 113 54d 185d 183d
Internal error in sys_getresgid origin:lts-only 2 C error 472 39d 185d 183d
Internal error in futex_wait_setup origin:lts-only 2 C error 68 40d 185d 183d
Internal error in do_futex origin:lts-only 2 C error 297 41d 185d 183d
Internal error in exit_robust_list origin:lts-only 2 C error 407 40d 185d 183d
Internal error in sys_get_robust_list origin:lts-only 2 C error 212 56d 185d 183d
Internal error in sys_rseq origin:lts-only 2 C error 19 8d15h 185d 182d
Internal error in kernel_clone origin:lts-only 2 C error 722 40d 185d 183d
Internal error in sys_move_pages origin:lts-only 2 C error 112 55d 185d 182d
Internal error in copy_process origin:lts-only 2 C error 703 20d 185d 183d
Internal error in futex_lock_pi_atomic origin:lts-only 2 C error 202 5d03h 185d 183d
Internal error in sys_io_setup origin:lts-only 2 C error 1997 55d 185d 183d
Internal error in cap_validate_magic origin:lts-only 2 C error 2247 3d01h 185d 183d
Internal error in do_notify_resume origin:lts-only 2 C error 452 5d18h 185d 180d
Internal error in sys_mount origin:lts-only 2 C error 6617 143d 185d 183d
Internal error in lookup_ioctx origin:lts-only 2 C error 226 38d 185d 183d
BUG: unable to handle kernel paging request in ft260_i2c_xfer origin:lts-only 8 C unreliable 4 5d01h 197d 183d
INFO: rcu detected stall in sys_utimensat origin:lts-only 1 C error 3 58d 205d 205d
WARNING in hugetlb_split origin:lts-only -1 C error 42159 now 227d 222d
WARNING in hci_recv_frame origin:lts-only -1 syz error 1 225d 227d 227d
BUG: unable to handle kernel paging request in udf_fiiter_write_fi origin:lts-only 8 C error 2 26d 228d 228d
INFO: task hung in p9_fd_close origin:lts-only 1 C error 2 69d 243d 243d
kernel BUG in balance_leaf (2) origin:lts-only -1 C error 3 5d17h 252d 252d
KASAN: use-after-free Read in __ocfs2_flush_truncate_log origin:lts-only 19 C error 3 2d22h 260d 260d
INFO: task hung in user_get_super (4) origin:lts-only 1 C done 4 32d 268d 209d
INFO: rcu detected stall in mount origin:lts-only 1 C error 3 215d 279d 218d
WARNING in ext2_unlink origin:lts-only -1 C error 5 25d 325d 324d
kernel BUG in clear_page_mlock origin:lts-only -1 C error 3 24d 340d 340d
kernel BUG in ocfs2_populate_inode origin:lts-only -1 C error 3 1d07h 341d 341d
KASAN: vmalloc-out-of-bounds Read in z_erofs_lz4_decompress origin:lts-only 17 C inconclusive 648 15d 349d 349d
possible deadlock in ax25_device_event origin:lts-only 4 C error 278 1d17h 351d 190d
INFO: rcu detected stall in wb_workfn (2) origin:lts-only 1 C error 66 14h22m 360d 294d
WARNING in reiserfs_mkdir origin:lts-only -1 C error 4 9d09h 362d 362d
possible deadlock in vfs_fileattr_set (2) origin:lts-only 4 C error 3 230d 369d 369d
WARNING in xfs_qm_dqget_cache_insert (2) origin:lts-only -1 C error 4 29d 371d 282d
KASAN: slab-out-of-bounds Read in xfrm_policy_inexact_list_reinsert origin:lts-only 17 C error 497 13d 374d 374d
KASAN: use-after-free Read in xfs_inode_item_push (2) origin:lts-only 19 C inconclusive 2 247d 374d 343d
possible deadlock in deactivate_super origin:lts-only 4 C error 683 255d 376d 375d
WARNING: suspicious RCU usage in rhltable_lookup origin:lts-only 4 C error 5738 59m 376d 376d
UBSAN: array-index-out-of-bounds in dtSplitRoot origin:lts-only 19 C error 10 185d 387d 387d
WARNING in init_timer_key origin:lts-only -1 C error 18 15d 394d 394d
WARNING: kmalloc bug in wnd_init origin:lts-only -1 C error 1 42d 397d 397d
KASAN: use-after-free Read in ax25_fillin_cb (2) origin:lts-only 19 C inconclusive 193 1d15h 407d 348d
possible deadlock in ocfs2_read_virt_blocks origin:lts-only 4 C error 309 2d22h 414d 269d
INFO: task hung in virtual_nci_send origin:lts-only 1 C error 8 9d10h 414d 374d
BUG: unable to handle kernel paging request in device_move origin:lts-only 8 syz inconclusive 46 10d 420d 70d
WARNING in udf_rename origin:lts-only -1 C done 113 33m 425d 77d
INFO: rcu detected stall in dput (3) origin:lts-only 1 syz error 25 25d 427d 82d
possible deadlock in freeze_super (2) origin:lts-only 4 C error 12 39d 431d 431d
INFO: rcu detected stall in sys_sendto (2) origin:lts-only 1 syz done 2 343d 435d 295d
INFO: rcu detected stall in sys_getpid (2) origin:lts-only 1 C error 16 7d01h 435d 149d
WARNING in path_openat (3) origin:lts-only -1 C error 4 11d 444d 444d
kernel BUG in clear_inode (3) missing-backport origin:lts-only -1 C done 25 13d 444d 247d
BUG: soft lockup in wg_packet_tx_worker origin:lts-only 1 C error 1 261d 450d 450d
BUG: unable to handle kernel paging request in do_xmote origin:lts-only 8 C error 3 12d 455d 454d
possible deadlock in ocfs2_write_info origin:lts-only 4 C error 54 35d 456d 391d
WARNING: suspicious RCU usage in qdisc_lookup origin:lts-only 4 C inconclusive 10985 2h00m 473d 471d
general protection fault in update_sit_entry origin:lts-only 8 C error 18 21d 486d 462d
possible deadlock in ocfs2_remap_file_range origin:lts-only 4 C done 90 53d 494d 302d
possible deadlock in ocfs2_truncate_file origin:lts-only 4 C error 35 36d 495d 350d
UBSAN: shift-out-of-bounds in ocfs2_fill_super missing-backport origin:lts-only -1 C done 85 3d19h 496d 353d
possible deadlock in ocfs2_lock_global_qf origin:lts-only 4 C done 302 23d 497d 270d
possible deadlock in ocfs2_reserve_local_alloc_bits origin:lts-only 4 C error 1556 14d 500d 498d
possible deadlock in ocfs2_acquire_dquot origin:lts-only 4 C error 14881 6h22m 501d 500d
possible deadlock in ocfs2_setattr origin:lts-only 4 C done 571 18h52m 506d 393d
possible deadlock in ocfs2_reserve_suballoc_bits origin:lts-only 4 C done 5344 1d21h 513d 323d
INFO: rcu detected stall in mld_ifc_work origin:lts-only 1 C error 8 37d 516d 287d
general protection fault in reiserfs_get_block origin:lts-only 8 C error 13 18d 517d 358d
WARNING: bad unlock balance in l2cap_recv_frame (2) origin:lts-only 4 C inconclusive 303 47m 519d 519d
INFO: rcu detected stall in addrconf_dad_work origin:lts-only 1 syz done 5 206d 526d 507d
possible deadlock in ntfs_file_mmap origin:lts-only 4 C error 498 166d 539d 539d
INFO: rcu detected stall in tc_modify_qdisc origin:lts-only 1 C error 23 36d 545d 456d
INFO: task hung in uevent_show origin:lts-only 1 C inconclusive 50 30d 546d 73d
INFO: task hung in freeze_super missing-backport origin:lts-only 1 C error 17 9d04h 548d 548d
kernel BUG in ntfs_truncate origin:lts-only -1 C error 3 19d 548d 547d
BUG: unable to handle kernel paging request in ft260_smbus_xfer origin:lts-only 8 C error 64 10d 562d 562d
WARNING in btrfs_add_link (2) origin:lts-only -1 C error 8 2d03h 562d 562d
BUG: unable to handle kernel paging request in mcp_smbus_xfer origin:lts-only 8 C error 276 1d23h 563d 210d
general protection fault in u2fzero_rng_read origin:lts-only 8 C inconclusive 233 22h41m 563d 562d
INFO: task hung in synchronize_rcu (3) origin:lts-only 1 C error 16 2d04h 563d 562d
KASAN: use-after-free Read in reiserfs_release_objectid missing-backport origin:lts-only 19 C error 128 7d15h 565d 542d
WARNING in md_alloc origin:lts-only -1 C done 6 9d21h 584d 577d
BUG: sleeping function called from invalid context in lock_sock_nested missing-backport origin:lts-only 19 C done 25 32d 590d 99d
KASAN: use-after-free Read in qd_unlock origin:lts-only 19 C done 5527 48m 595d 272d
INFO: rcu detected stall in sys_futex (2) origin:lts-only 1 syz error 60 6d13h 614d 403d
BUG: unable to handle kernel paging request in mark_buffer_dirty_inode origin:lts-only 8 C error 2 483d 622d 622d
possible deadlock in sco_connect_cfm origin:lts-only 4 C inconclusive 26 8d02h 636d 590d
KASAN: use-after-free Write in gfs2_qd_shrink_scan origin:lts-only 24 C done 185 4d01h 644d 243d
INFO: task hung in blkdev_common_ioctl (2) missing-backport origin:lts-only 1 C inconclusive 8 17d 645d 645d
KASAN: use-after-free Read in f2fs_iget missing-backport origin:lts-only 19 C error 6 38d 645d 645d
INFO: task hung in ext4_quota_write (2) origin:lts-only 1 C error 11 137d 646d 576d
possible deadlock in btrfs_run_dev_stats origin:lts-only 4 C error 17 5d09h 648d 648d
KASAN: null-ptr-deref Write in udf_bread origin:lts-only 12 C done 94 10d 650d 637d
WARNING: held lock freed in inet_sendmsg origin:lts-only 4 C error 2 20d 664d 664d
INFO: task hung in lookup_slow (2) missing-backport origin:lts-only 1 C error 56 36d 665d 447d
general protection fault in step_into origin:lts-only 11 C done 305 11d 667d 596d
BUG: unable to handle kernel NULL pointer dereference in f2fs_update_meta_page origin:lts-only 10 C done 9 25d 672d 571d
possible deadlock in filemap_fault (2) missing-backport origin:lts-only 4 C error 70 4d20h 674d 664d
INFO: rcu detected stall in sys_rt_sigreturn missing-backport origin:lts-only 1 C done 146 1d16h 679d 207d
possible deadlock in filename_create (2) missing-backport origin:lts-only 4 C done 25 11d 681d 224d
WARNING in lookup_slow (3) origin:lts-only -1 C error 8 40d 681d 613d
WARNING in ieee80211_mgd_probe_ap_send origin:lts-only -1 C done 4 54d 682d 8d09h
BUG: sleeping function called from invalid context in console_lock (2) origin:lts-only 5 C error 18 40d 689d 595d
possible deadlock in sch_direct_xmit (2) origin:lts-only 4 C error 16 42d 718d 632d
WARNING in iomap_page_release origin:lts-only -1 C done 173 3d13h 721d 719d
INFO: rcu detected stall in br_handle_frame origin:lts-only 1 C inconclusive 3 81d 732d 732d
kernel BUG in reiserfs_rename missing-backport origin:lts-only -1 C error 2 37d 749d 749d
KASAN: use-after-free Read in ntfs_attr_find missing-backport origin:lts-only 19 C done 5 44d 751d 590d
possible deadlock in team_del_slave (2) origin:lts-only 4 C error 82 7d15h 758d 752d
possible deadlock in __dev_queue_xmit (2) origin:lts-only 4 C done 124 5d10h 787d 629d
WARNING in ieee80211_probe_client origin:lts-only -1 C inconclusive 277 1d10h 788d 702d
possible deadlock in lookup_slow (2) origin:lts-only 4 C inconclusive 131 6d04h 788d 707d
INFO: rcu detected stall in addrconf_rs_timer origin:lts-only 1 C error 89 13h05m 792d 697d
BUG: sleeping function called from invalid context in __lock_sock_fast origin:lts-only 5 C error 121 2d21h 799d 713d
possible deadlock in inet_sk_diag_fill origin:lts-only 4 C inconclusive 1175 1d12h 800d 800d
possible deadlock in console_trylock_spinning (2) origin:lts-only 4 C done 183 10d 803d 749d
UBSAN: shift-out-of-bounds in parse_options origin:lts-only -1 C unreliable 448 4d10h 812d 812d
possible deadlock in rfkill_epo missing-backport origin:lts-only 4 C inconclusive 4205 5h44m 838d 835d
INFO: rcu detected stall in corrupted origin:lts-only 1 C error 103 9d20h 840d 824d
KASAN: use-after-free Read in jbd2_journal_get_write_access origin:lts-only 19 C inconclusive 8 69d 865d 788d
WARNING in iomap_page_mkwrite origin:lts-only -1 C inconclusive 694 7d18h 867d 856d
WARNING in btrfs_chunk_alloc (2) origin:lts-only -1 C 52 4h07m 868d 630d
KASAN: null-ptr-deref Write in btrfs_root_node (2) origin:lts-only 12 C done 53 13d 875d 762d
WARNING in btrfs_sync_log (2) origin:lts-only -1 C error 4 51d 883d 883d
INFO: task hung in gfs2_gl_hash_clear origin:lts-only 1 C inconclusive 3019 10d 923d 923d
WARNING in sta_info_insert_rcu missing-backport origin:lts-only -1 C inconclusive 7 25d 923d 923d
KASAN: use-after-free Read in ext4_find_extent origin:lts-only 19 C inconclusive 7 16h37m 936d 936d
WARNING in btrfs_drop_extents origin:lts-only -1 C error 2 64d 938d 938d
INFO: rcu detected stall in cleanup_net origin:lts-only 1 C inconclusive 170 2d13h 944d 161d
WARNING in do_mkdirat origin:lts-only -1 C inconclusive 22 34d 950d 479d
kernel BUG in clear_state_bit missing-backport origin:lts-only -1 C done 4 1d07h 960d 413d
INFO: rcu detected stall in batadv_nc_worker origin:lts-only 1 C done 322 2h28m 971d 193d
WARNING in loop_add origin:lts-only -1 C done 5 36d 983d 314d
BUG: unable to handle kernel paging request in __xfs_free_extent origin:lts-only 8 C error 31 21d 988d 988d
possible deadlock in lock_timer_base origin:lts-only 4 C done 184 367d 990d 581d
WARNING in drm_clflush_pages origin:lts-only -1 C error 9676 6d04h 991d 991d
kernel BUG in ntfs_iget missing-backport origin:lts-only -1 C done 9 33d 1001d 337d
KASAN: slab-out-of-bounds Read in ntfs_readdir missing-backport origin:lts-only 17 C done 95 11d 1019d 448d
WARNING in btrfs_commit_transaction origin:lts-only -1 C done 81 10d 1029d 780d
WARNING in journal_end origin:lts-only -1 C 74 3d18h 1032d 987d
KASAN: use-after-free Read in ntfs_lookup_inode_by_name missing-backport origin:lts-only 19 C done 10 20d 1034d 274d
WARNING in btrfs_rename2 origin:lts-only -1 C error 6 1d09h 1036d 947d
WARNING in btrfs_replace_file_extents origin:lts-only -1 C done 17 42d 1036d 441d
kernel BUG in __hfsplus_setxattr origin:lts-only -1 C error 204 165d 1040d 978d
KASAN: null-ptr-deref Read in do_journal_end missing-backport origin:lts-only 11 C done 699 5d18h 1040d 144d
WARNING in _btrfs_ioctl_set_received_subvol origin:lts-only -1 C error 3 63d 1041d 932d
WARNING in btrfs_run_delayed_refs origin:lts-only -1 C error 25 57d 1044d 1044d
WARNING in ext4_expand_extra_isize_ea origin:lts-only -1 C done 2307 2h20m 1046d 859d
possible deadlock in ntfs_fiemap origin:lts-only 4 C error 48 12d 1047d 998d
WARNING in btrfs_put_block_group origin:lts-only -1 C error 75 15h17m 1048d 1047d
BUG: unable to handle kernel paging request in mem_cgroup_track_foreign_dirty_slowpath origin:lts-only 8 C error 47 15d 1049d 1049d
possible deadlock in attr_data_get_block origin:lts-only 4 C done 403 7d08h 1050d 861d
possible deadlock in console_lock_spinning_enable origin:lts-only 4 C done 2453 1d05h 1051d 768d
BUG: MAX_LOCKDEP_KEYS too low! origin:lts-only -1 C error 11 18d 1057d 1057d
INFO: trying to register non-static key in gsmld_write_wakeup origin:lts-only -1 C inconclusive 2313 7d04h 1057d 1057d
WARNING in inc_nlink origin:lts-only -1 C done 798 10d 1057d 796d
WARNING in nilfs_dat_commit_end origin:lts-only -1 C done 25851 2h25m 1058d 891d
BUG: soft lockup in smp_call_function missing-backport origin:lts-only 1 C error 298 1d12h 1058d 963d
VFS: Busy inodes after unmount (use-after-free) missing-backport origin:lts-only 2 C error 2564 5h14m 1058d 1057d
WARNING in udf_truncate_extents origin:lts-only -1 C done 206 14d 1058d 317d
WARNING in del_gendisk origin:lts-only -1 C inconclusive 172 9d13h 1061d 1061d
KASAN: slab-out-of-bounds Read in hfsplus_uni2asc origin:lts-only 17 C error 356 2d10h 1061d 1010d
BUG: unable to handle kernel NULL pointer dereference in ntfs_sparse_cluster origin:lts-only 10 C done 820 3h14m 1061d 882d
possible deadlock in sco_conn_del missing-backport origin:lts-only 4 C inconclusive 521 5d12h 1062d 1001d
BUG: unable to handle kernel paging request in bio_associate_blkg_from_css origin:lts-only 8 C error 115056 5m 1063d 1063d
KASAN: use-after-free Read in xfs_iflush_cluster missing-backport origin:lts-only 19 C done 402 1d17h 1064d 848d
KASAN: slab-out-of-bounds Read in hci_le_meta_evt origin:lts-only 17 C done 7274 59m 1064d 864d
WARNING in split_huge_page_to_list origin:lts-only -1 C error 1410 6h20m 1065d 1065d
possible deadlock in ext4_map_blocks origin:lts-only 4 C done 621 3d01h 1066d 623d
BUG: sleeping function called from invalid context in f2fs_register_inmem_page origin:lts-only 5 C done 25 30d 1066d 875d
WARNING in dev_watchdog missing-backport origin:lts-only -1 C inconclusive 271 18d 1066d 987d
WARNING in hci_conn_timeout origin:lts-only -1 C done 1337 4d15h 1067d 811d
KASAN: null-ptr-deref Write in xlog_cil_commit origin:lts-only 12 C done 1566 2d03h 1067d 839d
BUG: soft lockup in batadv_iv_send_outstanding_bat_ogm_packet origin:lts-only 1 C done 106 1d19h 1067d 181d
INFO: trying to register non-static key in gsmld_write origin:lts-only -1 C inconclusive 10470 1h05m 1067d 1067d
possible deadlock in __loop_clr_fd origin:lts-only 4 C done 8396 50m 1068d 853d
INFO: task hung in iterate_supers origin:lts-only 1 C 364 4h47m 1069d 1058d
lost connection to test machine origin:lts-only -1 C done 30437 35m 1069d 51d
UBSAN: shift-out-of-bounds in ntfs_fill_super missing-backport origin:lts-only -1 C done 2731 2d11h 1069d 334d
possible deadlock in dquot_commit origin:lts-only 4 C done 25976 5h59m 1069d 838d
WARNING in ext4_set_page_dirty origin:lts-only -1 C done 267 4d05h 1069d 884d
BUG: sleeping function called from invalid context in kernfs_walk_and_get_ns origin:lts-only 5 C inconclusive 5566 8m 1070d 1069d
possible deadlock in __jbd2_log_wait_for_space origin:lts-only 4 C inconclusive 1257 39d 1070d 793d
possible deadlock in jbd2_journal_lock_updates origin:lts-only 4 C inconclusive 38372 5h14m 1070d 1069d
possible deadlock in ext4_bmap origin:lts-only 4 C inconclusive 22334 3d15h 1070d 1069d