loop0: detected capacity change from 0 to 32768 ================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:1313:21 shift exponent 8345714 is too large for 64-bit type 'long long int' CPU: 1 PID: 3604 Comm: syz-executor158 Not tainted 6.0.0-syzkaller-07994-ge8bc52cb8df8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 ubsan_epilogue+0xb/0x50 lib/ubsan.c:151 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 lib/ubsan.c:322 dbAllocAG.cold+0xf1/0x11c fs/jfs/jfs_dmap.c:1313 dbAlloc+0x40d/0xa70 fs/jfs/jfs_dmap.c:858 diNewIAG fs/jfs/jfs_imap.c:2500 [inline] diAllocExt fs/jfs/jfs_imap.c:1898 [inline] diAllocAG+0xb93/0x2200 fs/jfs/jfs_imap.c:1662 diAlloc+0x82d/0x1730 fs/jfs/jfs_imap.c:1583 ialloc+0x89/0xaa0 fs/jfs/jfs_inode.c:56 jfs_mkdir+0x1f0/0xab0 fs/jfs/namei.c:225 vfs_mkdir+0x489/0x740 fs/namei.c:4013 do_mkdirat+0x28c/0x310 fs/namei.c:4038 __do_sys_mkdir fs/namei.c:4058 [inline] __se_sys_mkdir fs/namei.c:4056 [inline] __x64_sys_mkdir+0xf2/0x140 fs/namei.c:4056 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa750492da9 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff03b1f728 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa750492da9 RDX: 00007fa7504512a3 RSI: 0000000000000000 RDI: 00000000200052c0 RBP: 00007fa750452570 R08: 00005555568002c0 R09: 0000000000000000 R10: 00007fff03b1f5f0 R11: 0000000000000246 R12: 00000000f8008000 R13: 0000000000000000 R14: 00080000000000fc R15: 0000000000000000 ================================================================================