syzbot


KMSAN: uninit-value in hfsplus_lookup

Status: upstream: reported C repro on 2024/01/09 18:17
Subsystems: hfs
[Documentation on labels]
Reported-by: syzbot+91db973302e7b18c7653@syzkaller.appspotmail.com
First crash: 305d, last: 34d
Discussions (2)
Title Replies (including bot) Last reply
[PATCH] fs/hfsplus: fix uninit-value in hfsplus_lookup 1 (1) 2024/01/10 04:41
[syzbot] [hfs?] KMSAN: uninit-value in hfsplus_lookup 1 (3) 2024/01/10 02:48
Last patch testing requests (4)
Created Duration User Patch Repo Result
2024/06/30 05:40 22m retest repro upstream error
2024/06/30 05:40 22m retest repro upstream error
2024/06/30 05:40 22m retest repro upstream error
2024/01/10 01:48 58m eadavis@qq.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 861deac3b092 OK log

Sample crash report:
loop0: detected capacity change from 0 to 1024
=====================================================
BUG: KMSAN: uninit-value in hfsplus_lookup+0x671/0xf00 fs/hfsplus/dir.c:83
 hfsplus_lookup+0x671/0xf00 fs/hfsplus/dir.c:83
 lookup_one_qstr_excl+0x238/0x530 fs/namei.c:1607
 do_renameat2+0xb33/0x1d50 fs/namei.c:4990
 __do_sys_rename fs/namei.c:5087 [inline]
 __se_sys_rename fs/namei.c:5085 [inline]
 __x64_sys_rename+0xf0/0x150 fs/namei.c:5085
 do_syscall_64+0xd5/0x1f0
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

Uninit was created at:
 __alloc_pages+0x9d6/0xe70 mm/page_alloc.c:4598
 __alloc_pages_node include/linux/gfp.h:238 [inline]
 alloc_pages_node include/linux/gfp.h:261 [inline]
 alloc_slab_page mm/slub.c:2175 [inline]
 allocate_slab mm/slub.c:2338 [inline]
 new_slab+0x2de/0x1400 mm/slub.c:2391
 ___slab_alloc+0x1184/0x33d0 mm/slub.c:3525
 __slab_alloc mm/slub.c:3610 [inline]
 __slab_alloc_node mm/slub.c:3663 [inline]
 slab_alloc_node mm/slub.c:3835 [inline]
 kmem_cache_alloc_lru+0x6d7/0xbe0 mm/slub.c:3864
 alloc_inode_sb include/linux/fs.h:3089 [inline]
 hfsplus_alloc_inode+0x5a/0xd0 fs/hfsplus/super.c:633
 alloc_inode+0x86/0x460 fs/inode.c:261
 iget_locked+0x2bf/0xee0 fs/inode.c:1280
 hfsplus_iget+0x59/0xaf0 fs/hfsplus/super.c:64
 hfsplus_fill_super+0x1486/0x2700 fs/hfsplus/super.c:500
 mount_bdev+0x397/0x520 fs/super.c:1658
 hfsplus_mount+0x4d/0x60 fs/hfsplus/super.c:647
 legacy_get_tree+0x114/0x290 fs/fs_context.c:662
 vfs_get_tree+0xa7/0x570 fs/super.c:1779
 do_new_mount+0x71f/0x15e0 fs/namespace.c:3352
 path_mount+0x742/0x1f20 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount+0x725/0x810 fs/namespace.c:3875
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875
 do_syscall_64+0xd5/0x1f0
 entry_SYSCALL_64_after_hwframe+0x6d/0x75

CPU: 0 PID: 5014 Comm: syz-executor208 Not tainted 6.8.0-syzkaller-11339-g741e9d668aa5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
=====================================================

Crashes (752):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/18 03:02 upstream 741e9d668aa5 d615901c .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/03/08 14:40 upstream 3aaa8ce7a335 cf82cde1 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2023/12/25 19:17 upstream 861deac3b092 fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/14 11:24 upstream 614da38e2f7a a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/13 20:53 upstream 614da38e2f7a a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/13 02:10 upstream 614da38e2f7a 2aa5052f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/12 16:21 upstream 614da38e2f7a 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/12 06:26 upstream 614da38e2f7a 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/10 20:56 upstream 614da38e2f7a 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/10 18:04 upstream 614da38e2f7a 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/10 11:48 upstream 614da38e2f7a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/10 10:44 upstream 614da38e2f7a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/10 04:00 upstream 614da38e2f7a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/10 01:28 upstream 614da38e2f7a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/10 01:17 upstream 614da38e2f7a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/10 00:13 upstream 614da38e2f7a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/09 22:05 upstream 614da38e2f7a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/09 21:58 upstream 614da38e2f7a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/09 14:09 upstream 614da38e2f7a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/09 10:03 upstream 614da38e2f7a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/09 03:27 upstream 614da38e2f7a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/07 23:05 upstream 614da38e2f7a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/07 10:13 upstream 614da38e2f7a 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/07 07:32 upstream 614da38e2f7a 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/07 06:40 upstream 614da38e2f7a 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/07 03:28 upstream 614da38e2f7a 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/06 15:24 upstream 614da38e2f7a 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/05 23:38 upstream 614da38e2f7a 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/05 10:54 upstream 614da38e2f7a e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/05 08:03 upstream 614da38e2f7a e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/05 04:07 upstream 614da38e2f7a e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/05 02:54 upstream 614da38e2f7a e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/05 02:53 upstream 614da38e2f7a e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/04 20:21 upstream 614da38e2f7a a1feae05 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/04 07:11 upstream 614da38e2f7a a1feae05 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/03 17:48 upstream 614da38e2f7a 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/03 16:00 upstream 614da38e2f7a 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/03 08:16 upstream 614da38e2f7a 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/03 04:42 upstream 614da38e2f7a 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/03 03:16 upstream 614da38e2f7a 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/01/02 07:02 upstream 610a9b8f49fb fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-root KMSAN: uninit-value in hfsplus_lookup
2024/06/11 23:21 upstream 101b7a97143a c7d7d815 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in hfsplus_lookup
2024/06/10 23:43 upstream 101b7a97143a 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in hfsplus_lookup
2024/06/10 05:10 upstream 101b7a97143a 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in hfsplus_lookup
2024/06/07 12:56 upstream 101b7a97143a 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in hfsplus_lookup
2024/06/06 18:31 upstream 101b7a97143a 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in hfsplus_lookup
2024/06/06 07:30 upstream 101b7a97143a 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root KMSAN: uninit-value in hfsplus_lookup
2023/12/17 17:11 upstream 3b8a9b2e6809 3222d10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in hfsplus_lookup
* Struck through repros no longer work on HEAD.