Warning: Permanently added '10.128.0.96' (ED25519) to the list of known hosts. executing program [ 44.927914][ T4019] loop0: detected capacity change from 0 to 40427 [ 45.022446][ T4019] ================================================================================ [ 45.025109][ T4019] UBSAN: shift-out-of-bounds in fs/f2fs/super.c:894:5 [ 45.026809][ T4019] shift exponent 168 is too large for 32-bit type 'int' [ 45.028461][ T4019] CPU: 0 PID: 4019 Comm: syz-executor941 Not tainted 5.15.177-syzkaller #0 [ 45.030777][ T4019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 45.033332][ T4019] Call trace: [ 45.034086][ T4019] dump_backtrace+0x0/0x530 [ 45.035255][ T4019] show_stack+0x2c/0x3c [ 45.036332][ T4019] dump_stack_lvl+0x108/0x170 [ 45.037590][ T4019] dump_stack+0x1c/0x58 [ 45.038750][ T4019] __ubsan_handle_shift_out_of_bounds+0x2f8/0x378 [ 45.040392][ T4019] parse_options+0x3f38/0x3f3c [ 45.041563][ T4019] f2fs_fill_super+0x2484/0x64fc [ 45.042776][ T4019] mount_bdev+0x274/0x370 [ 45.043888][ T4019] f2fs_mount+0x44/0x58 [ 45.045013][ T4019] legacy_get_tree+0xd4/0x16c [ 45.046268][ T4019] vfs_get_tree+0x90/0x274 [ 45.047417][ T4019] do_new_mount+0x278/0x8fc [ 45.048549][ T4019] path_mount+0x594/0x101c [ 45.049658][ T4019] __arm64_sys_mount+0x510/0x5e0 [ 45.050989][ T4019] invoke_syscall+0x98/0x2b8 [ 45.052155][ T4019] el0_svc_common+0x138/0x258 [ 45.053336][ T4019] do_el0_svc+0x58/0x14c [ 45.054439][ T4019] el0_svc+0x7c/0x1f0 [ 45.055446][ T4019] el0t_64_sync_handler+0x84/0xe4 [ 45.056729][ T4019] el0t_64_sync+0x1a0/0x1a4 [ 45.057988][ T4019] ================================================================================ [ 45.060476][ T4019] F2FS-fs (loop0): Not support 256, larger than 256