Warning: Permanently added '10.128.0.55' (ED25519) to the list of known hosts. executing program [ 32.693914][ T6238] loop0: detected capacity change from 0 to 32768 [ 32.776073][ T6238] bcachefs (loop0): mounting version 1.7: mi_btree_bitmap opts=ro,metadata_checksum=none,data_checksum=none,str_hash=crc64,nojournal_transaction_names,read_only [ 32.780432][ T6238] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 32.792296][ T6238] bcachefs (loop0): alloc_read... done [ 32.793887][ T6238] bcachefs (loop0): stripes_read... done [ 32.795265][ T6238] bcachefs (loop0): snapshots_read... done [ 32.798779][ T6238] bcachefs (loop0): journal_replay... done [ 32.800227][ T6238] bcachefs (loop0): resume_logged_ops... done [ 32.801661][ T6238] bcachefs (loop0): scanning for old btree nodes: min_version 0.24: unwritten_extents [ 32.803797][ T6238] bcachefs (loop0): going read-write [ 32.807718][ T6238] ------------[ cut here ]------------ [ 32.809222][ T6238] UBSAN: shift-out-of-bounds in fs/bcachefs/move.c:986:31 [ 32.810940][ T6238] shift exponent 64 is too large for 64-bit type 'unsigned long long' [ 32.812881][ T6238] CPU: 1 PID: 6238 Comm: syz-executor315 Not tainted 6.9.0-rc6-syzkaller-g78186bd77b47 #0 [ 32.815100][ T6238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 32.817365][ T6238] Call trace: [ 32.818071][ T6238] dump_backtrace+0x1b8/0x1e4 [ 32.819296][ T6238] show_stack+0x2c/0x3c [ 32.820228][ T6238] dump_stack_lvl+0xe4/0x150 [ 32.821290][ T6238] dump_stack+0x1c/0x28 [ 32.822272][ T6238] __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c [ 32.823792][ T6238] rewrite_old_nodes_pred+0x398/0x510 [ 32.825009][ T6238] bch2_move_btree+0x5c4/0xae8 [ 32.826085][ T6238] bch2_scan_old_btree_nodes+0xec/0x2bc [ 32.827348][ T6238] bch2_fs_recovery+0x3a88/0x4854 [ 32.828563][ T6238] bch2_fs_start+0x30c/0x53c [ 32.829672][ T6238] bch2_fs_open+0x8b4/0xb64 [ 32.830838][ T6238] bch2_mount+0x558/0xe10 [ 32.831906][ T6238] legacy_get_tree+0xd4/0x16c [ 32.833063][ T6238] vfs_get_tree+0x90/0x288 [ 32.834111][ T6238] do_new_mount+0x278/0x900 [ 32.835200][ T6238] path_mount+0x590/0xe04 [ 32.836201][ T6238] __arm64_sys_mount+0x45c/0x594 [ 32.837329][ T6238] invoke_syscall+0x98/0x2b8 [ 32.838522][ T6238] el0_svc_common+0x130/0x23c [ 32.839629][ T6238] do_el0_svc+0x48/0x58 [ 32.840554][ T6238] el0_svc+0x54/0x168 [ 32.841507][ T6238] el0t_64_sync_handler+0x84/0xfc [ 32.842742][ T6238] el0t_64_sync+0x190/0x194 [ 32.844331][ T6238] ---[ end trace ]--- [ 32.867803][ T6238] bcachefs (loop0): scanning for old btree nodes done [ 32.869567][ T6238] bcachefs (loop0): going read-only [ 32.870971][ T6238] bcachefs (loop0): finished waiting for writes to stop [ 32.873022][ T6238] bcachefs (loop0): flushing journal and stopping allocators, journal seq 11 [ 32.884536][ T6238] bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 12 [ 32.888687][ T6238] bcachefs (loop0): shutdown complete, journal seq 13 [ 32.891042][ T6238] bcachefs (loop0): marking filesystem clean [ 32.893321][ T6238] bcachefs (loop0): done starting filesystem