Warning: Permanently added '10.128.10.17' (ED25519) to the list of known hosts. executing program syzkaller login: [ 32.395879][ T6009] syz-executor427[6009]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 32.436900][ T6009] loop0: detected capacity change from 0 to 8192 [ 32.442239][ T6009] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 32.445828][ T6009] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 32.448258][ T6009] REISERFS (device loop0): using ordered data mode [ 32.449971][ T6009] reiserfs: using flush barriers [ 32.451934][ T6009] 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 [ 32.456361][ T6009] REISERFS (device loop0): checking transaction log (loop0) [ 32.491621][ T6009] REISERFS (device loop0): Using r5 hash to sort names [ 32.493620][ T6009] REISERFS (device loop0): using 3.5.x disk format [ 32.495900][ T6009] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 32.501778][ T6009] ================================================================================ [ 32.504669][ T6009] UBSAN: array-index-out-of-bounds in fs/reiserfs/journal.c:4168:5 [ 32.506769][ T6009] index 1 is out of range for type '__le32[1]' (aka 'unsigned int[1]') [ 32.508859][ T6009] CPU: 1 PID: 6009 Comm: syz-executor427 Not tainted 6.6.0-rc3-syzkaller-gbf6547d8715b #0 [ 32.511351][ T6009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 32.514033][ T6009] Call trace: [ 32.514890][ T6009] dump_backtrace+0x1b8/0x1e4 [ 32.516160][ T6009] show_stack+0x2c/0x44 [ 32.517262][ T6009] dump_stack_lvl+0xd0/0x124 [ 32.518524][ T6009] dump_stack+0x1c/0x28 [ 32.519651][ T6009] __ubsan_handle_out_of_bounds+0xfc/0x148 [ 32.521148][ T6009] do_journal_end+0x1e64/0x3d0c [ 32.522429][ T6009] journal_end_sync+0x164/0x1d0 [ 32.523723][ T6009] reiserfs_sync_fs+0xd4/0x150 [ 32.524937][ T6009] sync_filesystem+0xe8/0x218 [ 32.526165][ T6009] generic_shutdown_super+0x70/0x2b8 [ 32.527540][ T6009] kill_block_super+0x40/0x74 [ 32.528760][ T6009] reiserfs_kill_sb+0x134/0x14c [ 32.530047][ T6009] deactivate_locked_super+0xac/0x12c [ 32.531455][ T6009] deactivate_super+0xe0/0x100 [ 32.532696][ T6009] cleanup_mnt+0x34c/0x3dc [ 32.533841][ T6009] __cleanup_mnt+0x20/0x30 [ 32.534971][ T6009] task_work_run+0x230/0x2e0 [ 32.536161][ T6009] do_exit+0x63c/0x1f58 [ 32.537213][ T6009] do_group_exit+0x194/0x22c [ 32.538428][ T6009] __wake_up_parent+0x0/0x60 [ 32.539650][ T6009] invoke_syscall+0x98/0x2b8 [ 32.540845][ T6009] el0_svc_common+0x130/0x23c [ 32.542069][ T6009] do_el0_svc+0x48/0x58 [ 32.543240][ T6009] el0_svc+0x58/0x16c [ 32.544318][ T6009] el0t_64_sync_handler+0x84/0xfc [ 32.545648][ T6009] el0t_64_sync+0x190/0x194 [ 32.546978][ T6009] ================================================================================