Warning: Permanently added '10.128.0.68' (ED25519) to the list of known hosts. executing program [ 34.985193][ T6004] syz-executor390[6004]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 35.026886][ T6004] loop0: detected capacity change from 0 to 8192 [ 35.032307][ T6004] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 35.035810][ T6004] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 35.038339][ T6004] REISERFS (device loop0): using ordered data mode [ 35.040100][ T6004] reiserfs: using flush barriers [ 35.042455][ T6004] 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 [ 35.046979][ T6004] REISERFS (device loop0): checking transaction log (loop0) [ 35.082861][ T6004] REISERFS (device loop0): Using r5 hash to sort names [ 35.084879][ T6004] REISERFS (device loop0): using 3.5.x disk format [ 35.087181][ T6004] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 35.093392][ T6004] ================================================================================ [ 35.095811][ T6004] UBSAN: array-index-out-of-bounds in fs/reiserfs/journal.c:4168:5 [ 35.097825][ T6004] index 1 is out of range for type '__le32[1]' (aka 'unsigned int[1]') [ 35.100002][ T6004] CPU: 0 PID: 6004 Comm: syz-executor390 Not tainted 6.6.0-rc3-syzkaller-g2e530aeb342b #0 [ 35.102666][ T6004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 35.105323][ T6004] Call trace: [ 35.106176][ T6004] dump_backtrace+0x1b8/0x1e4 [ 35.107435][ T6004] show_stack+0x2c/0x44 [ 35.108504][ T6004] dump_stack_lvl+0xd0/0x124 [ 35.109730][ T6004] dump_stack+0x1c/0x28 [ 35.110884][ T6004] __ubsan_handle_out_of_bounds+0xfc/0x148 [ 35.112412][ T6004] do_journal_end+0x1e64/0x3d0c [ 35.113743][ T6004] journal_end_sync+0x164/0x1d0 [ 35.115053][ T6004] reiserfs_sync_fs+0xd4/0x150 [ 35.116311][ T6004] sync_filesystem+0xe8/0x218 [ 35.117592][ T6004] generic_shutdown_super+0x70/0x2b8 [ 35.119017][ T6004] kill_block_super+0x40/0x74 [ 35.120279][ T6004] reiserfs_kill_sb+0x134/0x14c [ 35.121627][ T6004] deactivate_locked_super+0xac/0x12c [ 35.123023][ T6004] deactivate_super+0xe0/0x100 [ 35.124289][ T6004] cleanup_mnt+0x34c/0x3dc [ 35.125525][ T6004] __cleanup_mnt+0x20/0x30 [ 35.126755][ T6004] task_work_run+0x230/0x2e0 [ 35.127949][ T6004] do_exit+0x63c/0x1f58 [ 35.129093][ T6004] do_group_exit+0x194/0x22c [ 35.130312][ T6004] __wake_up_parent+0x0/0x60 [ 35.131564][ T6004] invoke_syscall+0x98/0x2b8 [ 35.132816][ T6004] el0_svc_common+0x130/0x23c [ 35.134005][ T6004] do_el0_svc+0x48/0x58 [ 35.135113][ T6004] el0_svc+0x58/0x16c [ 35.136170][ T6004] el0t_64_sync_handler+0x84/0xfc [ 35.137488][ T6004] el0t_64_sync+0x190/0x194 [ 35.139579][ T6004] ================================================================================