loop0: detected capacity change from 0 to 8 ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in fs/squashfs/block.c:195:36 shift exponent 64 is too large for 64-bit type 'u64' (aka 'unsigned long long') CPU: 0 UID: 0 PID: 5310 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-01599-gddddf9d64f73 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 ubsan_epilogue+0xa/0x40 lib/ubsan.c:231 __ubsan_handle_shift_out_of_bounds+0x386/0x410 lib/ubsan.c:492 squashfs_bio_read+0xeac/0x1090 fs/squashfs/block.c:195 squashfs_read_data+0x1fd/0x890 fs/squashfs/block.c:333 squashfs_read_table+0x341/0x3a0 fs/squashfs/cache.c:436 squashfs_fill_super+0x209/0x2050 fs/squashfs/super.c:216 get_tree_bdev_flags+0x40b/0x4d0 fs/super.c:1686 vfs_get_tree+0x8f/0x2b0 fs/super.c:1809 do_new_mount+0x24a/0xa40 fs/namespace.c:3882 do_mount fs/namespace.c:4222 [inline] __do_sys_mount fs/namespace.c:4433 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4410 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f07f699010a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f07f2df4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f07f2df4ef0 RCX: 00007f07f699010a RDX: 0000200000000200 RSI: 0000200000000240 RDI: 00007f07f2df4eb0 RBP: 0000200000000200 R08: 00007f07f2df4ef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000240 R13: 00007f07f2df4eb0 R14: 00000000000001f0 R15: 0000200000000280 ---[ end trace ]---