Warning: Permanently added '10.128.0.197' (ED25519) to the list of known hosts. executing program [ 37.617302][ T6369] loop0: detected capacity change from 0 to 32768 [ 37.626172][ T6369] ================================================================== [ 37.628219][ T6369] BUG: KASAN: slab-out-of-bounds in journal_entry_dev_usage_to_text+0xf4/0x194 [ 37.630581][ T6369] Read of size 8 at addr ffff0000d98da000 by task syz-executor163/6369 [ 37.632750][ T6369] [ 37.633347][ T6369] CPU: 1 PID: 6369 Comm: syz-executor163 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0 [ 37.636003][ T6369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 37.638674][ T6369] Call trace: [ 37.639560][ T6369] dump_backtrace+0x1b8/0x1e4 [ 37.640801][ T6369] show_stack+0x2c/0x3c [ 37.641916][ T6369] dump_stack_lvl+0xe4/0x150 [ 37.643154][ T6369] print_report+0x198/0x538 [ 37.644368][ T6369] kasan_report+0xd8/0x138 [ 37.645534][ T6369] __asan_report_load8_noabort+0x20/0x2c [ 37.647085][ T6369] journal_entry_dev_usage_to_text+0xf4/0x194 [ 37.648690][ T6369] bch2_journal_entry_to_text+0x2fc/0x5a8 [ 37.650192][ T6369] bch2_sb_clean_to_text+0x130/0x224 [ 37.651597][ T6369] bch2_sb_field_to_text+0x1a4/0x234 [ 37.652994][ T6369] bch2_sb_field_validate+0x1d8/0x2a8 [ 37.654423][ T6369] bch2_sb_validate+0x908/0xbe4 [ 37.655696][ T6369] __bch2_read_super+0xa4c/0x10a8 [ 37.657049][ T6369] bch2_read_super+0x38/0x4c [ 37.658346][ T6369] bch2_fs_open+0x1e0/0xb64 [ 37.659595][ T6369] bch2_mount+0x4fc/0xe68 [ 37.660768][ T6369] legacy_get_tree+0xd4/0x16c [ 37.662031][ T6369] vfs_get_tree+0x90/0x288 [ 37.663241][ T6369] do_new_mount+0x278/0x900 [ 37.664416][ T6369] path_mount+0x590/0xe04 [ 37.665665][ T6369] __arm64_sys_mount+0x3c4/0x488 [ 37.666996][ T6369] invoke_syscall+0x98/0x2b8 [ 37.668129][ T6369] el0_svc_common+0x130/0x23c [ 37.669360][ T6369] do_el0_svc+0x48/0x58 [ 37.670441][ T6369] el0_svc+0x54/0x168 [ 37.671471][ T6369] el0t_64_sync_handler+0x84/0xfc [ 37.672855][ T6369] el0t_64_sync+0x190/0x194 [ 37.674037][ T6369] [ 37.674635][ T6369] Allocated by task 6369: [ 37.675820][ T6369] kasan_save_track+0x40/0x78 [ 37.677063][ T6369] kasan_save_alloc_info+0x40/0x50 [ 37.678514][ T6369] __kasan_kmalloc+0xac/0xc4 [ 37.679849][ T6369] kmalloc_node_track_caller_noprof+0x2cc/0x4d0 [ 37.681559][ T6369] krealloc_noprof+0x94/0x148 [ 37.682806][ T6369] bch2_sb_realloc+0x284/0x564 [ 37.684001][ T6369] read_one_super+0x690/0x2310 [ 37.685347][ T6369] __bch2_read_super+0x714/0x10a8 [ 37.686751][ T6369] bch2_read_super+0x38/0x4c [ 37.687979][ T6369] bch2_fs_open+0x1e0/0xb64 [ 37.689162][ T6369] bch2_mount+0x4fc/0xe68 [ 37.690343][ T6369] legacy_get_tree+0xd4/0x16c [ 37.691661][ T6369] vfs_get_tree+0x90/0x288 [ 37.692843][ T6369] do_new_mount+0x278/0x900 [ 37.694048][ T6369] path_mount+0x590/0xe04 [ 37.695226][ T6369] __arm64_sys_mount+0x3c4/0x488 [ 37.696561][ T6369] invoke_syscall+0x98/0x2b8 [ 37.697777][ T6369] el0_svc_common+0x130/0x23c [ 37.698991][ T6369] do_el0_svc+0x48/0x58 [ 37.700000][ T6369] el0_svc+0x54/0x168 [ 37.701060][ T6369] el0t_64_sync_handler+0x84/0xfc [ 37.702388][ T6369] el0t_64_sync+0x190/0x194 [ 37.703633][ T6369] [ 37.704255][ T6369] The buggy address belongs to the object at ffff0000d98d8000 [ 37.704255][ T6369] which belongs to the cache kmalloc-8k of size 8192 [ 37.708002][ T6369] The buggy address is located 0 bytes to the right of [ 37.708002][ T6369] allocated 8192-byte region [ffff0000d98d8000, ffff0000d98da000) [ 37.711915][ T6369] [ 37.712590][ T6369] The buggy address belongs to the physical page: [ 37.714373][ T6369] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1198d8 [ 37.716680][ T6369] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 37.718967][ T6369] flags: 0x5ffc00000000040(head|node=0|zone=2|lastcpupid=0x7ff) [ 37.721074][ T6369] page_type: 0xffffefff(slab) [ 37.722377][ T6369] raw: 05ffc00000000040 ffff0000c0002280 dead000000000122 0000000000000000 [ 37.724711][ T6369] raw: 0000000000000000 0000000080020002 00000001ffffefff 0000000000000000 [ 37.726960][ T6369] head: 05ffc00000000040 ffff0000c0002280 dead000000000122 0000000000000000 [ 37.729458][ T6369] head: 0000000000000000 0000000080020002 00000001ffffefff 0000000000000000 [ 37.731922][ T6369] head: 05ffc00000000003 fffffdffc3663601 ffffffffffffffff 0000000000000000 [ 37.734178][ T6369] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 37.736540][ T6369] page dumped because: kasan: bad access detected [ 37.738357][ T6369] [ 37.738941][ T6369] Memory state around the buggy address: [ 37.740509][ T6369] ffff0000d98d9f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.742769][ T6369] ffff0000d98d9f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 37.744905][ T6369] >ffff0000d98da000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.747067][ T6369] ^ [ 37.748209][ T6369] ffff0000d98da080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.750399][ T6369] ffff0000d98da100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 37.752516][ T6369] ================================================================== [ 37.754915][ T6369] Disabling lock debugging due to kernel taint