• Kent Overstreet's avatar
    bcachefs: Fix an integer overflow · df94cb2e
    Kent Overstreet authored
    Fixes:
    
    bcachefs (e7fdc10e-54a3-49d9-bd0c-390370889d84): disk usage increased 4294967296 more than 2823707312 sectors reserved)
    transaction updates for __bchfs_fallocate journal seq 467859
      update: btree=extents cached=0 bch2_trans_update+0x4e8/0x540
        old u64s 5 type deleted 536925940:3559337304:4294967283 len 0 ver 0
        new u64s 6 type reservation 536925940:3559337304:4294967283 len 3559337304 ver 0: generation 0 replicas 2
      update: btree=inodes cached=1 bch2_extent_update_i_size_sectors+0x305/0x3b0
        old u64s 19 type inode_v3 0:536925940:4294967283 len 0 ver 0: mode 100600 flags 15300000 journal_seq 467859 bi_size 0 bi_sectors 0 bi_version 0 bi_atime 40905301656446 bi_ctime 40905301656446 bi_mtime 40905301656446 bi_otime 40905301656446 bi_uid 0 bi_gid 0 bi_nlink 0 bi_generation 0 bi_dev 0 bi_data_checksum 0 bi_compression 0 bi_project 0 bi_background_compression 0 bi_data_replicas 0 bi_promote_target 0 bi_foreground_target 0 bi_background_target 0 bi_erasure_code 0 bi_fields_set 0 bi_dir 1879048193 bi_dir_offset 3384856038735393365 bi_subvol 0 bi_parent_subvol 0 bi_nocow 0
        new u64s 19 type inode_v3 0:536925940:4294967283 len 0 ver 0: mode 100600 flags 15300000 journal_seq 467859 bi_size 0 bi_sectors 3559337304 bi_version 0 bi_atime 40905301656446 bi_ctime 40905301656446 bi_mtime 40905301656446 bi_otime 40905301656446 bi_uid 0 bi_gid 0 bi_nlink 0 bi_generation 0 bi_dev 0 bi_data_checksum 0 bi_compression 0 bi_project 0 bi_background_compression 0 bi_data_replicas 0 bi_promote_target 0 bi_foreground_target 0 bi_background_target 0 bi_erasure_code 0 bi_fields_set 0 bi_dir 1879048193 bi_dir_offset 3384856038735393365 bi_subvol 0 bi_parent_subvol 0 bi_nocow 0
    
    Kernel panic - not syncing: bcachefs (e7fdc10e-54a3-49d9-bd0c-390370889d84): panic after error
    CPU: 4 PID: 5154 Comm: rsync Not tainted 6.5.9-gateway-gca1614174cc0-dirty #1
    Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./X570 Phantom Gaming 4, BIOS P4.20 08/02/2021
    Call Trace:
     <TASK>
     dump_stack_lvl+0x5a/0x90
     panic+0x105/0x300
     ? console_unlock+0xf1/0x130
     ? bch2_printbuf_exit+0x16/0x30
     ? srso_return_thunk+0x5/0x10
     bch2_inconsistent_error+0x6f/0x80
     bch2_trans_fs_usage_apply+0x279/0x3d0
     __bch2_trans_commit+0x112a/0x1df0
     ? bch2_extent_update+0x13a/0x1d0
     bch2_extent_update+0x13a/0x1d0
     bch2_extent_fallocate+0x58e/0x740
     bch2_fallocate_dispatch+0xb7c/0x1030
     ? do_filp_open+0xa0/0x140
     vfs_fallocate+0x18e/0x1d0
     __x64_sys_fallocate+0x46/0x70
     do_syscall_64+0x48/0xa0
     ? exit_to_user_mode_prepare+0x4d/0xa0
     entry_SYSCALL_64_after_hwframe+0x6e/0xd8
    RIP: 0033:0x7fc85d91bbb3
    Code: 64 89 02 b8 ff ff ff ff eb bd 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 80 3d 31 da 0d 00 00 49 89 ca 74 14 b8 1d 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5d c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 10
    Signed-off-by: default avatarKent Overstreet <kent.overstreet@linux.dev>
    df94cb2e
io_misc.c 13.8 KB