loop3: detected capacity change from 0 to 32768 find_entry called with index >= next_index ================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:1671:12 shift exponent 1834973817 is too large for 64-bit type 'long long' CPU: 0 PID: 3889 Comm: syz-executor.3 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 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 dbFindCtl+0x426/0x590 fs/jfs/jfs_dmap.c:1671 dbAllocAny fs/jfs/jfs_dmap.c:1502 [inline] dbAlloc+0x31b/0xc90 fs/jfs/jfs_dmap.c:732 diNewExt+0xaad/0x3e00 fs/jfs/jfs_imap.c:2251 diAllocExt fs/jfs/jfs_imap.c:1945 [inline] diAllocAG+0xc6a/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:4035 do_mkdirat+0x279/0x550 fs/namei.c:4060 __do_sys_mkdir fs/namei.c:4080 [inline] __se_sys_mkdir fs/namei.c:4078 [inline] __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4078 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: 0033:0x7f33aa28b5a9 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:00007f33ab05d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f33aa3abf80 RCX: 00007f33aa28b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020007040 RBP: 00007f33aa2e67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff75ca726f R14: 00007f33ab05d300 R15: 0000000000022000 ================================================================================