Warning: Permanently added '10.128.0.209' (ED25519) to the list of known hosts. executing program [ 35.475202][ T6009] syz-executor353[6009]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 35.516419][ T6009] loop0: detected capacity change from 0 to 8192 [ 35.521788][ T6009] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 35.525390][ T6009] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 35.527761][ T6009] REISERFS (device loop0): using ordered data mode [ 35.529376][ T6009] reiserfs: using flush barriers [ 35.531507][ 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 [ 35.535934][ T6009] REISERFS (device loop0): checking transaction log (loop0) [ 35.571685][ T6009] REISERFS (device loop0): Using r5 hash to sort names [ 35.573837][ T6009] REISERFS (device loop0): using 3.5.x disk format [ 35.576255][ T6009] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 35.582417][ T6009] ================================================================================ [ 35.585881][ T6009] UBSAN: array-index-out-of-bounds in fs/reiserfs/journal.c:4168:5 [ 35.587939][ T6009] index 1 is out of range for type '__le32[1]' (aka 'unsigned int[1]') [ 35.590050][ T6009] CPU: 1 PID: 6009 Comm: syz-executor353 Not tainted 6.6.0-rc3-syzkaller-g2e530aeb342b #0 [ 35.592580][ T6009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 35.595159][ T6009] Call trace: [ 35.596015][ T6009] dump_backtrace+0x1b8/0x1e4 [ 35.597262][ T6009] show_stack+0x2c/0x44 [ 35.598388][ T6009] dump_stack_lvl+0xd0/0x124 [ 35.599575][ T6009] dump_stack+0x1c/0x28 [ 35.600654][ T6009] __ubsan_handle_out_of_bounds+0xfc/0x148 [ 35.602083][ T6009] do_journal_end+0x1e64/0x3d0c [ 35.603506][ T6009] journal_end_sync+0x164/0x1d0 [ 35.604753][ T6009] reiserfs_sync_fs+0xd4/0x150 [ 35.605967][ T6009] sync_filesystem+0xe8/0x218 [ 35.607150][ T6009] generic_shutdown_super+0x70/0x2b8 [ 35.608574][ T6009] kill_block_super+0x40/0x74 [ 35.609786][ T6009] reiserfs_kill_sb+0x134/0x14c [ 35.611013][ T6009] deactivate_locked_super+0xac/0x12c [ 35.612422][ T6009] deactivate_super+0xe0/0x100 [ 35.613648][ T6009] cleanup_mnt+0x34c/0x3dc [ 35.614741][ T6009] __cleanup_mnt+0x20/0x30 [ 35.615961][ T6009] task_work_run+0x230/0x2e0 [ 35.616902][ T6009] do_exit+0x63c/0x1f58 [ 35.617729][ T6009] do_group_exit+0x194/0x22c [ 35.618658][ T6009] __wake_up_parent+0x0/0x60 [ 35.619864][ T6009] invoke_syscall+0x98/0x2b8 [ 35.620977][ T6009] el0_svc_common+0x130/0x23c [ 35.622199][ T6009] do_el0_svc+0x48/0x58 [ 35.623257][ T6009] el0_svc+0x58/0x16c [ 35.624320][ T6009] el0t_64_sync_handler+0x84/0xfc [ 35.625588][ T6009] el0t_64_sync+0x190/0x194 [ 35.628936][ T6009] ================================================================================