loop0: detected capacity change from 0 to 32768 ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2238:2 index 2000 is out of range for type 's64[128]' (aka 'long long[128]') CPU: 1 PID: 3542 Comm: syz-executor191 Not tainted 6.1.34-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_out_of_bounds+0x118/0x140 lib/ubsan.c:282 dbAllocBits+0x961/0x990 fs/jfs/jfs_dmap.c:2238 dbAllocDmap fs/jfs/jfs_dmap.c:2015 [inline] dbAllocNear+0x262/0x390 fs/jfs/jfs_dmap.c:1244 dbAlloc+0xa1f/0xc90 fs/jfs/jfs_dmap.c:829 ea_get+0x9b5/0x1280 fs/jfs/xattr.c:514 __jfs_setxattr+0x4b6/0x11d0 fs/jfs/xattr.c:718 __jfs_set_acl+0x12a/0x1b0 fs/jfs/acl.c:87 jfs_set_acl+0x2a9/0x550 fs/jfs/acl.c:114 set_posix_acl fs/posix_acl.c:1160 [inline] posix_acl_xattr_set+0x37b/0x3e0 fs/posix_acl.c:1189 __vfs_setxattr+0x3e7/0x420 fs/xattr.c:182 __vfs_setxattr_noperm+0x12a/0x5e0 fs/xattr.c:216 vfs_setxattr+0x21d/0x420 fs/xattr.c:309 do_setxattr fs/xattr.c:594 [inline] setxattr+0x250/0x2b0 fs/xattr.c:617 path_setxattr+0x1bc/0x2a0 fs/xattr.c:636 __do_sys_lsetxattr fs/xattr.c:659 [inline] __se_sys_lsetxattr fs/xattr.c:655 [inline] __x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:655 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: 0033:0x7f0b26dcd849 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe4c4871d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f0b26dcd849 RDX: 0000000020000180 RSI: 0000000020000040 RDI: 0000000020000000 RBP: 00007f0b26d8d0e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000024 R11: 0000000000000246 R12: 00007f0b26d8d170 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ================================================================================