loop0: detected capacity change from 0 to 32768 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. ------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in fs/ocfs2/xattr.c:1985:3 index 2 is out of range for type 'struct ocfs2_xattr_entry[] __counted_by(xh_count)' (aka 'struct ocfs2_xattr_entry[]') CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 ubsan_epilogue+0xa/0x30 lib/ubsan.c:233 __ubsan_handle_out_of_bounds+0xe8/0xf0 lib/ubsan.c:455 ocfs2_xa_remove_entry+0x49e/0x670 fs/ocfs2/xattr.c:1985 ocfs2_xa_remove fs/ocfs2/xattr.c:2073 [inline] ocfs2_xa_set+0xdb2/0x2ec0 fs/ocfs2/xattr.c:2277 ocfs2_xattr_block_set+0x3e0/0x3350 fs/ocfs2/xattr.c:3015 __ocfs2_xattr_set_handle+0x262/0xf50 fs/ocfs2/xattr.c:-1 ocfs2_xattr_set+0xf3f/0x13e0 fs/ocfs2/xattr.c:3680 __vfs_removexattr+0x431/0x470 fs/xattr.c:518 cap_inode_killpriv+0x24/0x50 security/commoncap.c:355 security_inode_killpriv+0x8f/0x270 security/security.c:2177 setattr_prepare+0x1f6/0xac0 fs/attr.c:219 ocfs2_setattr+0x4b3/0x1c70 fs/ocfs2/file.c:1154 notify_change+0xc1a/0xf40 fs/attr.c:546 do_truncate+0x1c2/0x250 fs/open.c:68 handle_truncate fs/namei.c:4244 [inline] do_open fs/namei.c:4641 [inline] path_openat+0x360c/0x3e20 fs/namei.c:4796 do_filp_open+0x22d/0x490 fs/namei.c:4823 do_sys_openat2+0x12f/0x220 fs/open.c:1430 do_sys_open fs/open.c:1436 [inline] __do_sys_open fs/open.c:1444 [inline] __se_sys_open fs/open.c:1440 [inline] __x64_sys_open+0x11e/0x150 fs/open.c:1440 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb128b9aeb9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb129ad2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fb128e15fa0 RCX: 00007fb128b9aeb9 RDX: 0000000000000006 RSI: 000000000014927e RDI: 00002000000000c0 RBP: 00007fb128c08c1f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb128e16038 R14: 00007fb128e15fa0 R15: 00007ffe335bc058 ---[ end trace ]---