Warning: Permanently added '10.128.1.46' (ED25519) to the list of known hosts. executing program [ 35.051032][ T4223] loop0: detected capacity change from 0 to 8192 [ 35.055659][ T4223] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 35.059116][ T4223] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 35.061189][ T4223] REISERFS (device loop0): using ordered data mode [ 35.062621][ T4223] reiserfs: using flush barriers [ 35.064420][ T4223] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 35.069515][ T4223] REISERFS (device loop0): checking transaction log (loop0) [ 35.073278][ T4223] REISERFS (device loop0): Using tea hash to sort names [ 35.075344][ T4223] ================================================================== [ 35.077097][ T4223] BUG: KASAN: use-after-free in search_by_entry_key+0x45c/0xe88 [ 35.078784][ T4223] Read of size 4 at addr ffff0000e0c62fc4 by task syz-executor275/4223 [ 35.080592][ T4223] [ 35.081121][ T4223] CPU: 0 PID: 4223 Comm: syz-executor275 Not tainted 6.1.75-syzkaller #0 [ 35.082912][ T4223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 35.085031][ T4223] Call trace: [ 35.085727][ T4223] dump_backtrace+0x1c8/0x1f4 [ 35.086812][ T4223] show_stack+0x2c/0x3c [ 35.087732][ T4223] dump_stack_lvl+0x108/0x170 [ 35.088721][ T4223] print_report+0x174/0x4c0 [ 35.089740][ T4223] kasan_report+0xd4/0x130 [ 35.090753][ T4223] __asan_report_load_n_noabort+0x28/0x34 [ 35.091948][ T4223] search_by_entry_key+0x45c/0xe88 [ 35.093092][ T4223] reiserfs_find_entry+0x288/0x149c [ 35.094178][ T4223] reiserfs_lookup+0x184/0x3c4 [ 35.095166][ T4223] __lookup_slow+0x250/0x374 [ 35.096254][ T4223] lookup_one_len+0x178/0x28c [ 35.097255][ T4223] reiserfs_lookup_privroot+0x8c/0x204 [ 35.098471][ T4223] reiserfs_fill_super+0x1bc0/0x2028 [ 35.099767][ T4223] mount_bdev+0x274/0x370 [ 35.100762][ T4223] get_super_block+0x44/0x58 [ 35.101716][ T4223] legacy_get_tree+0xd4/0x16c [ 35.102783][ T4223] vfs_get_tree+0x90/0x274 [ 35.103768][ T4223] do_new_mount+0x278/0x8fc [ 35.104827][ T4223] path_mount+0x590/0xe5c [ 35.105780][ T4223] __arm64_sys_mount+0x45c/0x594 [ 35.106823][ T4223] invoke_syscall+0x98/0x2c0 [ 35.107849][ T4223] el0_svc_common+0x138/0x258 [ 35.108764][ T4223] do_el0_svc+0x64/0x218 [ 35.109726][ T4223] el0_svc+0x58/0x168 [ 35.110657][ T4223] el0t_64_sync_handler+0x84/0xf0 [ 35.111766][ T4223] el0t_64_sync+0x18c/0x190 [ 35.112713][ T4223] [ 35.113203][ T4223] The buggy address belongs to the physical page: [ 35.114452][ T4223] page:00000000cbd9c801 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x120c62 [ 35.116726][ T4223] flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff) [ 35.118295][ T4223] raw: 05ffc00000000000 fffffc00038318c8 fffffc0003831848 0000000000000000 [ 35.120050][ T4223] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 35.121946][ T4223] page dumped because: kasan: bad access detected [ 35.123477][ T4223] [ 35.124005][ T4223] Memory state around the buggy address: [ 35.125208][ T4223] ffff0000e0c62e80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 35.126811][ T4223] ffff0000e0c62f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 35.128521][ T4223] >ffff0000e0c62f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 35.130184][ T4223] ^ [ 35.131530][ T4223] ffff0000e0c63000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 35.133292][ T4223] ffff0000e0c63080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 35.135054][ T4223] ================================================================== [ 35.137718][ T4223] Disabling lock debugging due to kernel taint [ 35.139773][ T4223] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 35.142514][ T4223] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.