Warning: Permanently added '10.128.0.13' (ED25519) to the list of known hosts. executing program [ 35.088288][ T6008] syz-executor104[6008]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 35.129721][ T6008] loop0: detected capacity change from 0 to 8192 [ 35.134503][ T6008] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 35.137985][ T6008] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 35.140482][ T6008] REISERFS (device loop0): using ordered data mode [ 35.142112][ T6008] reiserfs: using flush barriers [ 35.144161][ T6008] 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 [ 35.148530][ T6008] REISERFS (device loop0): checking transaction log (loop0) [ 35.182146][ T6008] REISERFS (device loop0): Using r5 hash to sort names [ 35.184004][ T6008] REISERFS (device loop0): using 3.5.x disk format [ 35.186254][ T6008] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 35.192850][ T6008] ================================================================================ [ 35.195280][ T6008] UBSAN: array-index-out-of-bounds in fs/reiserfs/journal.c:4168:5 [ 35.197360][ T6008] index 1 is out of range for type '__le32[1]' (aka 'unsigned int[1]') [ 35.199492][ T6008] CPU: 0 PID: 6008 Comm: syz-executor104 Not tainted 6.6.0-rc3-syzkaller-g2e530aeb342b #0 [ 35.202019][ T6008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 35.204529][ T6008] Call trace: [ 35.205345][ T6008] dump_backtrace+0x1b8/0x1e4 [ 35.206694][ T6008] show_stack+0x2c/0x44 [ 35.207832][ T6008] dump_stack_lvl+0xd0/0x124 [ 35.209027][ T6008] dump_stack+0x1c/0x28 [ 35.210171][ T6008] __ubsan_handle_out_of_bounds+0xfc/0x148 [ 35.211715][ T6008] do_journal_end+0x1e64/0x3d0c [ 35.212992][ T6008] journal_end_sync+0x164/0x1d0 [ 35.214237][ T6008] reiserfs_sync_fs+0xd4/0x150 [ 35.215481][ T6008] sync_filesystem+0xe8/0x218 [ 35.216700][ T6008] generic_shutdown_super+0x70/0x2b8 [ 35.218093][ T6008] kill_block_super+0x40/0x74 [ 35.219346][ T6008] reiserfs_kill_sb+0x134/0x14c [ 35.220606][ T6008] deactivate_locked_super+0xac/0x12c [ 35.222013][ T6008] deactivate_super+0xe0/0x100 [ 35.223225][ T6008] cleanup_mnt+0x34c/0x3dc [ 35.224359][ T6008] __cleanup_mnt+0x20/0x30 [ 35.225586][ T6008] task_work_run+0x230/0x2e0 [ 35.226810][ T6008] do_exit+0x63c/0x1f58 [ 35.227920][ T6008] do_group_exit+0x194/0x22c [ 35.229113][ T6008] __wake_up_parent+0x0/0x60 [ 35.230304][ T6008] invoke_syscall+0x98/0x2b8 [ 35.231501][ T6008] el0_svc_common+0x130/0x23c [ 35.232713][ T6008] do_el0_svc+0x48/0x58 [ 35.233780][ T6008] el0_svc+0x58/0x16c [ 35.234829][ T6008] el0t_64_sync_handler+0x84/0xfc [ 35.236108][ T6008] el0t_64_sync+0x190/0x194 [ 35.237693][ T6008] ================================================================================