loop0: detected capacity change from 0 to 32768 ================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2622:11 shift exponent 109 is too large for 32-bit type 'int' CPU: 0 PID: 5604 Comm: syz-executor.0 Not tainted 6.3.0-rc7-next-20230421-syzkaller-13719-gd3e1ee0e67e7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x136/0x150 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_shift_out_of_bounds+0x221/0x5a0 lib/ubsan.c:387 dbSplit.cold+0x19/0x1e fs/jfs/jfs_dmap.c:2622 dbAllocBits+0x151/0x630 fs/jfs/jfs_dmap.c:2174 dbAllocDmap+0x61/0x110 fs/jfs/jfs_dmap.c:2015 dbAllocNear fs/jfs/jfs_dmap.c:1244 [inline] dbAlloc+0x78e/0xab0 fs/jfs/jfs_dmap.c:829 diNewExt+0x724/0x1a10 fs/jfs/jfs_imap.c:2251 diAllocExt fs/jfs/jfs_imap.c:1945 [inline] diAllocAG+0x15f1/0x2200 fs/jfs/jfs_imap.c:1662 diAlloc+0x831/0x17b0 fs/jfs/jfs_imap.c:1583 ialloc+0x8d/0xad0 fs/jfs/jfs_inode.c:56 jfs_mkdir+0x1f4/0xb00 fs/jfs/namei.c:225 vfs_mkdir+0x242/0x460 fs/namei.c:4115 do_mkdirat+0x28d/0x310 fs/namei.c:4138 __do_sys_mkdir fs/namei.c:4158 [inline] __se_sys_mkdir fs/namei.c:4156 [inline] __x64_sys_mkdir+0xf6/0x140 fs/namei.c:4156 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f866188b5a9 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f86624fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f86619abf80 RCX: 00007f866188b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200052c0 RBP: 00007f86618e67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff0a44911f R14: 00007f86624fe300 R15: 0000000000022000 ================================================================================