loop0: detected capacity change from 0 to 32768 ================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:1785:12 shift exponent 1635280253 is too large for 64-bit type 'long long' CPU: 0 PID: 3609 Comm: syz-executor244 Not tainted 6.0.0-syzkaller-02734-g0326074ff465 #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+0x1b1/0x28e lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x33d/0x3b0 lib/ubsan.c:322 dbAllocCtl+0x93d/0x970 fs/jfs/jfs_dmap.c:1785 dbAllocAG+0x28b/0x1100 fs/jfs/jfs_dmap.c:1334 dbAlloc+0x661/0xc90 fs/jfs/jfs_dmap.c:858 diNewIAG fs/jfs/jfs_imap.c:2500 [inline] diAllocExt fs/jfs/jfs_imap.c:1898 [inline] diAllocAG+0xaf6/0x1f80 fs/jfs/jfs_imap.c:1662 diAlloc+0x3dd/0x1700 fs/jfs/jfs_imap.c:1583 ialloc+0x8c/0xa80 fs/jfs/jfs_inode.c:56 jfs_mkdir+0x141/0xb00 fs/jfs/namei.c:225 vfs_mkdir+0x3b3/0x590 fs/namei.c:4013 do_mkdirat+0x279/0x550 fs/namei.c:4038 __do_sys_mkdirat fs/namei.c:4053 [inline] __se_sys_mkdirat fs/namei.c:4051 [inline] __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4051 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb4fcd47399 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:00007ffea7168cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb4fcd47399 RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000003 RBP: 0000000000000001 R08: 001c00000000000c R09: 001c00000000000c R10: 0000555555d132c0 R11: 0000000000000246 R12: 0000000200000004 R13: 0000000000000000 R14: 0000001200030083 R15: 0000000000000000 ================================================================================