Warning: Permanently added '10.128.0.226' (ED25519) to the list of known hosts. executing program syzkaller login: [ 45.554797][ T4016] loop0: detected capacity change from 0 to 40427 [ 45.629154][ T4016] F2FS-fs (loop0): Fix alignment : internally, start(4096) end(16896) block(12288) [ 45.631313][ T4016] ================================================================================ [ 45.633269][ T4016] UBSAN: shift-out-of-bounds in fs/f2fs/super.c:894:5 [ 45.634643][ T4016] shift exponent 92 is too large for 32-bit type 'int' [ 45.636033][ T4016] CPU: 1 PID: 4016 Comm: syz-executor332 Not tainted 5.15.168-syzkaller #0 [ 45.637852][ T4016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 45.640026][ T4016] Call trace: [ 45.640829][ T4016] dump_backtrace+0x0/0x530 [ 45.641864][ T4016] show_stack+0x2c/0x3c [ 45.642727][ T4016] dump_stack_lvl+0x108/0x170 [ 45.643759][ T4016] dump_stack+0x1c/0x58 [ 45.644717][ T4016] __ubsan_handle_shift_out_of_bounds+0x2f8/0x378 [ 45.646064][ T4016] parse_options+0x3f38/0x3f3c [ 45.647158][ T4016] f2fs_fill_super+0x2484/0x64fc [ 45.648157][ T4016] mount_bdev+0x274/0x370 [ 45.649059][ T4016] f2fs_mount+0x44/0x58 [ 45.649929][ T4016] legacy_get_tree+0xd4/0x16c [ 45.650874][ T4016] vfs_get_tree+0x90/0x274 [ 45.651815][ T4016] do_new_mount+0x278/0x8fc [ 45.652741][ T4016] path_mount+0x594/0x101c [ 45.653712][ T4016] __arm64_sys_mount+0x510/0x5e0 [ 45.654746][ T4016] invoke_syscall+0x98/0x2b8 [ 45.655716][ T4016] el0_svc_common+0x138/0x258 [ 45.656657][ T4016] do_el0_svc+0x58/0x14c [ 45.657517][ T4016] el0_svc+0x7c/0x1f0 [ 45.658334][ T4016] el0t_64_sync_handler+0x84/0xe4 [ 45.659333][ T4016] el0t_64_sync+0x1a0/0x1a4 [ 45.662756][ T4016] ================================================================================ [ 45.664730][ T4016] F2FS-fs (loop0): Not support 268435456, larger than 256