syzbot


KMSAN: uninit-value in hfsplus_delete_cat

Status: upstream: reported C repro on 2022/12/05 09:19
Subsystems: hfs
[Documentation on labels]
Reported-by: syzbot+fdedff847a0e5e84c39f@syzkaller.appspotmail.com
First crash: 372d, last: 16h10m
Discussions (7)
Title Replies (including bot) Last reply
[syzbot] Monthly hfs report (Dec 2023) 0 (1) 2023/12/06 10:05
[syzbot] Monthly hfs report (Oct 2023) 0 (1) 2023/10/04 13:13
[syzbot] Monthly hfs report (Aug 2023) 0 (1) 2023/08/30 09:53
[syzbot] Monthly hfs report (Jul 2023) 0 (1) 2023/07/30 13:17
[syzbot] Monthly hfs report (Jun 2023) 0 (1) 2023/06/29 08:55
[syzbot] Monthly hfs report (May 2023) 0 (1) 2023/05/30 08:18
[syzbot] KMSAN: uninit-value in hfsplus_delete_cat 0 (2) 2023/02/24 09:07
Last patch testing requests (1)
Created Duration User Patch Repo Result
2023/09/29 20:14 16m retest repro upstream report log

Sample crash report:
loop0: detected capacity change from 0 to 1024
=====================================================
BUG: KMSAN: uninit-value in hfsplus_lookup+0x679/0xf20 fs/hfsplus/dir.c:83
 hfsplus_lookup+0x679/0xf20 fs/hfsplus/dir.c:83
 __lookup_slow+0x528/0x730 fs/namei.c:1685
 lookup_slow+0x6a/0xc0 fs/namei.c:1702
 walk_component+0x462/0x650 fs/namei.c:1993
 lookup_last fs/namei.c:2450 [inline]
 path_lookupat+0x27d/0x6f0 fs/namei.c:2474
 filename_lookup+0x250/0x800 fs/namei.c:2503
 user_path_at_empty+0x87/0x3a0 fs/namei.c:2876
 user_path_at include/linux/namei.h:57 [inline]
 path_setxattr+0x82/0x3f0 fs/xattr.c:645
 __do_sys_lsetxattr fs/xattr.c:673 [inline]
 __se_sys_lsetxattr fs/xattr.c:669 [inline]
 __ia32_sys_lsetxattr+0xed/0x170 fs/xattr.c:669
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

Uninit was created at:
 __alloc_pages+0x9f6/0xe90 mm/page_alloc.c:5572
 alloc_pages+0xab0/0xd80 mm/mempolicy.c:2287
 alloc_slab_page mm/slub.c:1851 [inline]
 allocate_slab mm/slub.c:1998 [inline]
 new_slab+0x425/0x15f0 mm/slub.c:2051
 ___slab_alloc+0x109c/0x32d0 mm/slub.c:3193
 __slab_alloc mm/slub.c:3292 [inline]
 __slab_alloc_node mm/slub.c:3345 [inline]
 slab_alloc_node mm/slub.c:3442 [inline]
 slab_alloc mm/slub.c:3460 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3467 [inline]
 kmem_cache_alloc_lru+0x5fb/0xa50 mm/slub.c:3483
 alloc_inode_sb include/linux/fs.h:3119 [inline]
 hfsplus_alloc_inode+0x5a/0xc0 fs/hfsplus/super.c:627
 alloc_inode+0x83/0x440 fs/inode.c:259
 iget_locked+0x2dd/0xe80 fs/inode.c:1286
 hfsplus_iget+0x63/0xb70 fs/hfsplus/super.c:64
 hfsplus_btree_open+0x13e/0x1d20 fs/hfsplus/btree.c:150
 hfsplus_fill_super+0x12bb/0x2a80 fs/hfsplus/super.c:473
 mount_bdev+0x50e/0x840 fs/super.c:1359
 hfsplus_mount+0x4d/0x60 fs/hfsplus/super.c:641
 legacy_get_tree+0x110/0x290 fs/fs_context.c:610
 vfs_get_tree+0xa5/0x500 fs/super.c:1489
 do_new_mount+0x69a/0x1580 fs/namespace.c:3145
 path_mount+0x725/0x1ec0 fs/namespace.c:3475
 do_mount fs/namespace.c:3488 [inline]
 __do_sys_mount fs/namespace.c:3697 [inline]
 __se_sys_mount+0x734/0x840 fs/namespace.c:3674
 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:3674
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

CPU: 1 PID: 5005 Comm: syz-executor236 Not tainted 6.2.0-syzkaller-81152-g97e36f4aa06f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
=====================================================

Crashes (669):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/02/24 09:07 https://github.com/google/kmsan.git master 97e36f4aa06f 9e2ebb3c .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/12/10 23:45 upstream c527f5606aa5 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/12/05 06:42 upstream bee0e7762ad2 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/12/05 05:27 upstream bee0e7762ad2 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/12/04 23:22 upstream bee0e7762ad2 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/11/21 13:21 upstream 98b1cc82c4af cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/10/29 13:50 upstream 2af9b20dbb39 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/10/02 10:56 upstream 8a749fd1a872 8e26a358 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/09/15 16:49 upstream 9fdfb15a3dbf 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/09/13 16:45 upstream 3669558bdf35 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/09/12 18:13 upstream a747acc0b752 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/09/04 00:03 upstream 6e32dfcccfcc 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/09/03 21:33 upstream 6e32dfcccfcc 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/09/02 21:21 upstream 0468be89b3fa 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/08/18 05:17 upstream 16931859a650 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/08/16 19:24 upstream 4853c74bd7ab 7773e940 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/08/16 09:51 upstream 4853c74bd7ab 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/08/16 09:10 upstream 4853c74bd7ab 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/08/14 02:01 upstream 4c75bf7e4a0e 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/08/11 03:29 upstream 25aa0bebba72 da3c3ef8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/08/11 01:54 upstream 25aa0bebba72 4df3089c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/08/10 18:22 upstream cacc6e22932f 4df3089c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/08/09 00:24 upstream 14f9643dc90a 3c27dfcd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2022/12/03 22:22 https://github.com/google/kmsan.git master 49a9a20768f5 e080de16 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_delete_cat
2023/09/01 02:05 upstream b97d64c72259 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_rename_cat
2023/08/31 00:15 upstream 6c1b980a7e79 84803932 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_rename_cat
2023/07/23 10:44 upstream 295e1388de2d 27cbe77f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in hfsplus_rename_cat
2023/06/07 10:48 upstream a4d7d7011219 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs KASAN: wild-memory-access Read in hfsplus_delete_cat
2023/08/30 06:26 upstream eaf9f4649cf0 b42ca3a7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/28 07:47 upstream 85eb043618bb 03d9c195 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_rename_cat
2023/08/26 01:14 upstream 4f9e7fabf864 03d9c195 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_rename_cat
2023/08/20 04:02 upstream 12e6ccedb311 d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/18 22:24 upstream 0e8860d2125f d216d8a0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/18 03:43 upstream 16931859a650 74b106b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_rename_cat
2023/08/16 12:35 upstream 4853c74bd7ab 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/16 06:30 upstream 4853c74bd7ab 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/15 20:36 upstream 91aa6c412d7f 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/14 17:22 upstream 2ccdd1b13c59 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/13 17:59 upstream a785fd28d31f 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/13 16:16 upstream a785fd28d31f 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/10 21:22 upstream cacc6e22932f 4df3089c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/10 19:42 upstream cacc6e22932f 4df3089c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_rename_cat
2023/08/09 03:02 upstream 14f9643dc90a 3c27dfcd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/09 02:10 upstream 14f9643dc90a 3c27dfcd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/08 22:26 upstream 14f9643dc90a 3c27dfcd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/04 06:27 upstream 7bafbd4027ae 74621247 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/04 03:04 upstream 7bafbd4027ae 74621247 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/03 16:35 upstream ec351c8f2e62 39a91c18 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/02 23:25 upstream 5d0c230f1de8 39a91c18 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_rename_cat
2023/08/02 09:37 upstream 5d0c230f1de8 df07ffe8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/02 03:44 upstream 5d0c230f1de8 df07ffe8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
2023/08/01 23:48 upstream 5d0c230f1de8 df07ffe8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_rename_cat
2023/07/29 22:24 upstream ffabf7c73176 92476829 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_rename_cat
* Struck through repros no longer work on HEAD.