Warning: Permanently added '10.128.0.84' (ED25519) to the list of known hosts. executing program [ 35.007754][ T6008] syz-executor262[6008]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 35.049635][ T6008] loop0: detected capacity change from 0 to 8192 [ 35.054670][ T6008] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 35.058264][ T6008] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 35.060728][ T6008] REISERFS (device loop0): using ordered data mode [ 35.062441][ T6008] reiserfs: using flush barriers [ 35.064418][ 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 [ 35.069076][ T6008] REISERFS (device loop0): checking transaction log (loop0) [ 35.072744][ T6008] REISERFS (device loop0): Using r5 hash to sort names [ 35.076466][ T6008] reiserfs: enabling write barrier flush mode [ 35.082319][ T6008] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 35.091563][ T6008] ================================================================================ [ 35.094127][ T6008] UBSAN: array-index-out-of-bounds in fs/reiserfs/journal.c:4168:5 [ 35.096950][ T6008] index 1 is out of range for type '__le32[1]' (aka 'unsigned int[1]') [ 35.099279][ T6008] CPU: 1 PID: 6008 Comm: syz-executor262 Not tainted 6.6.0-rc3-syzkaller-g2e530aeb342b #0 [ 35.101914][ T6008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 35.104544][ T6008] Call trace: [ 35.105368][ T6008] dump_backtrace+0x1b8/0x1e4 [ 35.106640][ T6008] show_stack+0x2c/0x44 [ 35.107795][ T6008] dump_stack_lvl+0xd0/0x124 [ 35.109014][ T6008] dump_stack+0x1c/0x28 [ 35.110140][ T6008] __ubsan_handle_out_of_bounds+0xfc/0x148 [ 35.111666][ T6008] do_journal_end+0x1e64/0x3d0c [ 35.112990][ T6008] journal_end_sync+0x164/0x1d0 [ 35.114342][ T6008] reiserfs_sync_fs+0xd4/0x150 [ 35.115661][ T6008] sync_filesystem+0xe8/0x218 [ 35.116906][ T6008] generic_shutdown_super+0x70/0x2b8 [ 35.118351][ T6008] kill_block_super+0x40/0x74 [ 35.119624][ T6008] reiserfs_kill_sb+0x134/0x14c [ 35.120986][ T6008] deactivate_locked_super+0xac/0x12c [ 35.122503][ T6008] deactivate_super+0xe0/0x100 [ 35.123819][ T6008] cleanup_mnt+0x34c/0x3dc [ 35.125015][ T6008] __cleanup_mnt+0x20/0x30 [ 35.126250][ T6008] task_work_run+0x230/0x2e0 [ 35.127488][ T6008] do_exit+0x63c/0x1f58 [ 35.128630][ T6008] do_group_exit+0x194/0x22c [ 35.129867][ T6008] __wake_up_parent+0x0/0x60 [ 35.131096][ T6008] invoke_syscall+0x98/0x2b8 [ 35.132325][ T6008] el0_svc_common+0x130/0x23c [ 35.133526][ T6008] do_el0_svc+0x48/0x58 [ 35.134636][ T6008] el0_svc+0x58/0x16c [ 35.135687][ T6008] el0t_64_sync_handler+0x84/0xfc [ 35.136989][ T6008] el0t_64_sync+0x190/0x194 [ 35.138324][ T6008] ================================================================================