------------[ cut here ]------------ UBSAN: shift-out-of-bounds in fs/bcachefs/bkey.c:664:22 shift exponent 71 is too large for 64-bit type 'unsigned long long' CPU: 1 PID: 7853 Comm: syz-executor.3 Tainted: G W 6.10.0-rc3-syzkaller-gac2193b4b460 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c lib/ubsan.c:468 bch2_bkey_format_invalid+0x6a0/0x6e0 fs/bcachefs/bkey.c:664 validate_bset+0x10ec/0x1d24 fs/bcachefs/btree_io.c:822 bch2_btree_node_read_done+0x16f0/0x4ac8 fs/bcachefs/btree_io.c:1140 btree_node_read_work+0x50c/0xe04 fs/bcachefs/btree_io.c:1345 bch2_btree_node_read+0x1f50/0x280c fs/bcachefs/btree_io.c:1730 __bch2_btree_root_read fs/bcachefs/btree_io.c:1769 [inline] bch2_btree_root_read+0x2a8/0x534 fs/bcachefs/btree_io.c:1793 read_btree_roots+0x21c/0x730 fs/bcachefs/recovery.c:475 bch2_fs_recovery+0x31c4/0x5488 fs/bcachefs/recovery.c:803 bch2_fs_start+0x30c/0x53c fs/bcachefs/super.c:1031 bch2_fs_open+0x8b4/0xb64 fs/bcachefs/super.c:2123 bch2_mount+0x4fc/0xe18 fs/bcachefs/fs.c:1917 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662 vfs_get_tree+0x90/0x288 fs/super.c:1780 do_new_mount+0x278/0x900 fs/namespace.c:3352 path_mount+0x590/0xe04 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount fs/namespace.c:3875 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3875 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 ---[ end trace ]--- bcachefs (loop3): inconsistency detected - emergency read only at journal seq 10 bcachefs (loop3): flagging btree lru lost data error reading btree root lru l=0: btree_node_read_error, shutting down bcachefs (loop3): bch2_fs_recovery(): error fsck_errors_not_fixed bcachefs (loop3): bch2_fs_start(): error starting filesystem fsck_errors_not_fixed bcachefs (loop3): shutting down bcachefs (loop3): shutdown complete