loop0: detected capacity change from 0 to 32768 ================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2632:11 shift exponent 121 is too large for 32-bit type 'int' CPU: 0 PID: 5449 Comm: syz-executor.0 Not tainted 6.6.0-rc2-syzkaller-gce9ecca0238b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_shift_out_of_bounds+0x3c3/0x420 lib/ubsan.c:387 dbSplit+0x1e5/0x1f0 fs/jfs/jfs_dmap.c:2632 dbAllocBits+0x4df/0x990 fs/jfs/jfs_dmap.c:2184 dbAllocDmap fs/jfs/jfs_dmap.c:2025 [inline] dbAllocDmapLev+0x24e/0x490 fs/jfs/jfs_dmap.c:1979 dbAllocCtl+0x113/0x920 fs/jfs/jfs_dmap.c:1816 dbAllocAG+0x28f/0x10b0 fs/jfs/jfs_dmap.c:1357 dbAlloc+0x658/0xca0 fs/jfs/jfs_dmap.c:881 dtSplitUp fs/jfs/jfs_dtree.c:974 [inline] dtInsert+0xda7/0x6b00 fs/jfs/jfs_dtree.c:863 jfs_create+0x7b6/0xb90 fs/jfs/namei.c:137 lookup_open fs/namei.c:3495 [inline] open_last_lookups fs/namei.c:3563 [inline] path_openat+0x13e7/0x3180 fs/namei.c:3793 do_filp_open+0x234/0x490 fs/namei.c:3823 do_sys_openat2+0x13e/0x1d0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_open fs/open.c:1445 [inline] __se_sys_open fs/open.c:1441 [inline] __x64_sys_open+0x225/0x270 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f10cd87cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f10ce5920c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f10cd99bf80 RCX: 00007f10cd87cae9 RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000020000400 RBP: 00007f10cd8c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f10cd99bf80 R15: 00007ffce51ab368 ================================================================================