================================================================================ UBSAN: shift-out-of-bounds in fs/minix/inode.c:380:57 shift exponent 65510 is too large for 64-bit type 'long unsigned int' CPU: 0 PID: 5438 Comm: syz-executor.0 Not tainted 6.7.0-rc3-syzkaller-00284-g815fb87b7530 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_shift_out_of_bounds+0x2a6/0x480 lib/ubsan.c:387 minix_statfs.cold+0x17/0x1c fs/minix/inode.c:380 statfs_by_dentry+0x128/0x210 fs/statfs.c:66 vfs_statfs fs/statfs.c:90 [inline] fd_statfs+0x72/0x110 fs/statfs.c:120 __do_sys_fstatfs+0x88/0x100 fs/statfs.c:216 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fab488798e9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fab499640c8 EFLAGS: 00000246 ORIG_RAX: 000000000000008a RAX: ffffffffffffffda RBX: 00007fab4898bf60 RCX: 00007fab488798e9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 00007fab488d5044 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fab4898bf60 R15: 00007ffe4f121818 ================================================================================