general protection fault in open_xa

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	BUG: unable to handle kernel paging request in open_xa_dir reiserfs	C			82	581d	808d	0/28	auto-obsoleted due to no activity on 2023/08/18 00:17
upstream	general protection fault in open_xa_dir reiserfs	C	done		3	1501d	1513d	15/28	fixed on 2020/11/16 12:12
linux-6.1	general protection fault in open_xa_dir				9	120d	120d	0/3	auto-obsoleted due to no activity on 2024/11/01 02:44
upstream	general protection fault in open_xa_dir (2) reiserfs				1	961d	957d	0/28	auto-closed as invalid on 2022/07/04 17:03
linux-4.14	general protection fault in open_xa_dir	C		done	1	1521d	1521d	1/1	fixed on 2020/10/22 20:19

REISERFS (device loop0): journal params: device loop0, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30 REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop0): Using tea hash to sort names kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6492 Comm: syz-executor490 Not tainted 4.19.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:d_really_is_negative include/linux/dcache.h:466 [inline] RIP: 0010:open_xa_root fs/reiserfs/xattr.c:124 [inline] RIP: 0010:open_xa_dir+0xf6/0x690 fs/reiserfs/xattr.c:152 Code: 48 c1 ea 03 80 3c 02 00 0f 85 d2 04 00 00 4c 8b ad 70 05 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8d 75 58 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 be 04 00 00 49 8b 6d 58 4c 89 04 24 48 85 ed 0f RSP: 0018:ffff8880852a76d0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88807fd8c740 RCX: ffffffff81edae4e RDX: 000000000000000b RSI: ffffffff81ed86c6 RDI: ffff8880a386c570 RBP: ffff8880a386c000 R08: ffff88808499abc0 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000002 R12: 1ffff11010a54edc R13: 0000000000000000 R14: 0000000000000058 R15: ffff88808499a540 FS: 000000000220f880(0000) GS:ffff8880ae300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f3b067e970 CR3: 000000009f98a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: xattr_lookup+0x21/0x3e0 fs/reiserfs/xattr.c:395 reiserfs_xattr_get+0x9d/0x9a0 fs/reiserfs/xattr.c:668 reiserfs_get_acl+0x57/0x620 fs/reiserfs/xattr_acl.c:209 get_acl.part.0+0x132/0x260 fs/posix_acl.c:140 get_acl+0x41/0x60 fs/posix_acl.c:108 check_acl fs/namei.c:279 [inline] acl_permission_check fs/namei.c:303 [inline] generic_permission+0x448/0x510 fs/namei.c:341 reiserfs_permission+0x64/0x80 fs/reiserfs/xattr.c:944 do_inode_permission fs/namei.c:386 [inline] inode_permission+0x34e/0x540 fs/namei.c:451 lookup_one_len_common+0x279/0x3a0 fs/namei.c:2488 lookup_one_len+0xe6/0x190 fs/namei.c:2539 reiserfs_lookup_privroot+0x92/0x280 fs/reiserfs/xattr.c:963 reiserfs_fill_super+0x21e8/0x2e60 fs/reiserfs/super.c:2179 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x318 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x51c/0x2f10 fs/namespace.c:2799 ksys_mount+0xcf/0x130 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3026 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x447dba Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d a3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5a a3 fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007fffbefcd288 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fffbefcd2e0 RCX: 0000000000447dba RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fffbefcd2a0 RBP: 00007fffbefcd2a0 R08: 00007fffbefcd2e0 R09: 0000000000000000 R10: 0000000000010000 R11: 0000000000000297 R12: 0000000000000007 R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003 Modules linked in: ---[ end trace 1c9cd68c905fdaa1 ]--- RIP: 0010:d_really_is_negative include/linux/dcache.h:466 [inline] RIP: 0010:open_xa_root fs/reiserfs/xattr.c:124 [inline] RIP: 0010:open_xa_dir+0xf6/0x690 fs/reiserfs/xattr.c:152 Code: 48 c1 ea 03 80 3c 02 00 0f 85 d2 04 00 00 4c 8b ad 70 05 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8d 75 58 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 be 04 00 00 49 8b 6d 58 4c 89 04 24 48 85 ed 0f RSP: 0018:ffff8880852a76d0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88807fd8c740 RCX: ffffffff81edae4e RDX: 000000000000000b RSI: ffffffff81ed86c6 RDI: ffff8880a386c570 RBP: ffff8880a386c000 R08: ffff88808499abc0 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000002 R12: 1ffff11010a54edc R13: 0000000000000000 R14: 0000000000000058 R15: ffff88808499a540 FS: 000000000220f880(0000) GS:ffff8880ae300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f3b067e970 CR3: 000000009f98a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400