Warning: Permanently added '10.128.0.65' (ED25519) to the list of known hosts. executing program [ 31.417334][ T6008] syz-executor409[6008]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 31.459452][ T6008] loop0: detected capacity change from 0 to 8192 [ 31.464392][ T6008] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 31.467797][ T6008] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 31.470214][ T6008] REISERFS (device loop0): using ordered data mode [ 31.471979][ T6008] reiserfs: using flush barriers [ 31.473994][ 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 [ 31.478258][ T6008] REISERFS (device loop0): checking transaction log (loop0) [ 31.481695][ T6008] REISERFS (device loop0): Using r5 hash to sort names [ 31.484921][ T6008] reiserfs: enabling write barrier flush mode [ 31.490825][ T6008] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 31.499685][ T6008] ================================================================================ [ 31.502351][ T6008] UBSAN: array-index-out-of-bounds in fs/reiserfs/journal.c:4168:5 [ 31.505207][ T6008] index 1 is out of range for type '__le32[1]' (aka 'unsigned int[1]') [ 31.507345][ T6008] CPU: 0 PID: 6008 Comm: syz-executor409 Not tainted 6.6.0-rc3-syzkaller-g2e530aeb342b #0 [ 31.509914][ T6008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 31.512539][ T6008] Call trace: [ 31.513388][ T6008] dump_backtrace+0x1b8/0x1e4 [ 31.514649][ T6008] show_stack+0x2c/0x44 [ 31.515788][ T6008] dump_stack_lvl+0xd0/0x124 [ 31.516958][ T6008] dump_stack+0x1c/0x28 [ 31.518071][ T6008] __ubsan_handle_out_of_bounds+0xfc/0x148 [ 31.519598][ T6008] do_journal_end+0x1e64/0x3d0c [ 31.520880][ T6008] journal_end_sync+0x164/0x1d0 [ 31.522210][ T6008] reiserfs_sync_fs+0xd4/0x150 [ 31.523544][ T6008] sync_filesystem+0xe8/0x218 [ 31.524751][ T6008] generic_shutdown_super+0x70/0x2b8 [ 31.526167][ T6008] kill_block_super+0x40/0x74 [ 31.527477][ T6008] reiserfs_kill_sb+0x134/0x14c [ 31.528755][ T6008] deactivate_locked_super+0xac/0x12c [ 31.530232][ T6008] deactivate_super+0xe0/0x100 [ 31.531434][ T6008] cleanup_mnt+0x34c/0x3dc [ 31.532648][ T6008] __cleanup_mnt+0x20/0x30 [ 31.533843][ T6008] task_work_run+0x230/0x2e0 [ 31.535082][ T6008] do_exit+0x63c/0x1f58 [ 31.536217][ T6008] do_group_exit+0x194/0x22c [ 31.537405][ T6008] __wake_up_parent+0x0/0x60 [ 31.538656][ T6008] invoke_syscall+0x98/0x2b8 [ 31.539883][ T6008] el0_svc_common+0x130/0x23c [ 31.541103][ T6008] do_el0_svc+0x48/0x58 [ 31.542227][ T6008] el0_svc+0x58/0x16c [ 31.543326][ T6008] el0t_64_sync_handler+0x84/0xfc [ 31.544639][ T6008] el0t_64_sync+0x190/0x194 [ 31.547925][ T6008] ================================================================================