syzbot


KMSAN: uninit-value in reiserfs_new_inode (2)

Status: upstream: reported on 2022/11/24 06:39
Labels: reiserfs (incorrect?)
Reported-by: syzbot+6450929faa7a97cd42d1@syzkaller.appspotmail.com
First crash: 190d, last: 24d
Discussions (2)
Title Replies (including bot) Last reply
[syzbot] Monthly reiserfs report 0 (1) 2023/03/27 11:03
[syzbot] KMSAN: uninit-value in reiserfs_new_inode (2) 0 (1) 2022/11/24 06:39
Similar bugs (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KMSAN: uninit-value in reiserfs_new_inode 4 710d 851d 0/24 auto-closed as invalid on 2021/10/20 16:24
upstream KMSAN: uninit-value in native_apic_mem_write (2) kernel syz 148 101d 114d 0/24 auto-obsoleted due to no activity on 2023/05/13 00:04
upstream KMSAN: kernel-infoleak in copyout (2) net C 6709 13h30m 1163d 23/24 upstream: reported C repro on 2020/03/26 17:19
upstream KASAN: slab-out-of-bounds Read in ntfs_iget5 ntfs3 C done 3560 18h23m 406d 0/24 upstream: reported C repro on 2022/04/22 13:07
upstream KMSAN: uninit-value in hfsplus_delete_cat hfs C 543 4h19m 179d 0/24 upstream: reported C repro on 2022/12/05 09:19
upstream KMSAN: kernel-infoleak in _copy_to_iter (8) C 17305 now 88d 23/24 internal: reported C repro on 2023/03/06 07:23
upstream KMSAN: uninit-value in inode_go_dump gfs2 7 32d 136d 0/24 upstream: reported on 2023/01/17 10:38
upstream KMSAN: uninit-value in hfs_revalidate_dentry hfs C 1363 5h57m 189d 0/24 upstream: reported C repro on 2022/11/25 09:56

Sample crash report:
REISERFS (device loop3): checking transaction log (loop3)
REISERFS (device loop3): Using r5 hash to sort names
REISERFS (device loop3): using 3.5.x disk format
REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
=====================================================
BUG: KMSAN: uninit-value in reiserfs_new_inode+0x193f/0x24e0 fs/reiserfs/inode.c:2050
 reiserfs_new_inode+0x193f/0x24e0 fs/reiserfs/inode.c:2050
 reiserfs_create+0x742/0xe60 fs/reiserfs/namei.c:668
 vfs_create+0x33a/0x540 fs/namei.c:3118
 do_mknodat+0x55c/0xad0 fs/namei.c:3966
 __do_sys_mknod fs/namei.c:3999 [inline]
 __se_sys_mknod fs/namei.c:3997 [inline]
 __ia32_sys_mknod+0xc6/0x110 fs/namei.c:3997
 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:5615
 alloc_pages+0xab0/0xd80 mm/mempolicy.c:2277
 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:2686 [inline]
 reiserfs_alloc_inode+0x62/0x150 fs/reiserfs/super.c:642
 alloc_inode+0x83/0x440 fs/inode.c:260
 iget5_locked+0xa9/0x210 fs/inode.c:1242
 reiserfs_fill_super+0x2134/0x3a00 fs/reiserfs/super.c:2053
 mount_bdev+0x50e/0x840 fs/super.c:1380
 get_super_block+0x4d/0x60 fs/reiserfs/super.c:2601
 legacy_get_tree+0x110/0x290 fs/fs_context.c:610
 vfs_get_tree+0xa5/0x500 fs/super.c:1510
 do_new_mount+0x69a/0x1580 fs/namespace.c:3042
 path_mount+0x725/0x1ee0 fs/namespace.c:3372
 do_mount fs/namespace.c:3385 [inline]
 __do_sys_mount fs/namespace.c:3594 [inline]
 __se_sys_mount+0x734/0x840 fs/namespace.c:3571
 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:3571
 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: 6312 Comm: syz-executor.3 Not tainted 6.3.0-syzkaller-g81af97bdef5e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
=====================================================

Crashes (666):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2023/05/09 07:48 https://github.com/google/kmsan.git master 81af97bdef5e f4168103 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/08 02:23 https://github.com/google/kmsan.git master 81af97bdef5e 90c93c40 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/07 06:36 https://github.com/google/kmsan.git master 81af97bdef5e 90c93c40 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/07 04:15 https://github.com/google/kmsan.git master 81af97bdef5e 90c93c40 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/07 02:41 https://github.com/google/kmsan.git master 81af97bdef5e 90c93c40 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/06 20:20 https://github.com/google/kmsan.git master 81af97bdef5e 90c93c40 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/06 19:12 https://github.com/google/kmsan.git master 81af97bdef5e 90c93c40 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/06 14:35 https://github.com/google/kmsan.git master 81af97bdef5e 90c93c40 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/05 12:46 https://github.com/google/kmsan.git master 81af97bdef5e 518a39a6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/05 11:00 https://github.com/google/kmsan.git master 81af97bdef5e 518a39a6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/04 23:41 https://github.com/google/kmsan.git master 81af97bdef5e 3a560463 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/04 21:46 https://github.com/google/kmsan.git master 81af97bdef5e 3a560463 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/04 19:26 https://github.com/google/kmsan.git master 81af97bdef5e 3a560463 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/04 04:46 https://github.com/google/kmsan.git master 81af97bdef5e b5918830 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/04 01:18 https://github.com/google/kmsan.git master 81af97bdef5e b5918830 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/03 05:54 https://github.com/google/kmsan.git master 81af97bdef5e 48e0a81d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/03 04:46 https://github.com/google/kmsan.git master 81af97bdef5e 48e0a81d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/02 22:17 https://github.com/google/kmsan.git master 81af97bdef5e 48e0a81d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/01 11:36 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/01 09:46 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/01 06:04 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/05/01 02:17 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/30 20:14 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/30 18:01 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/30 17:39 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/30 16:11 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/30 15:02 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/30 13:34 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/30 12:32 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/30 10:58 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/30 08:54 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/30 07:03 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/30 06:25 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/30 05:20 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/30 02:50 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/29 22:37 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/29 21:16 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/29 18:38 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/29 14:12 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/29 09:23 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/29 07:52 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/29 06:14 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/29 04:55 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/04/29 04:38 https://github.com/google/kmsan.git master 81af97bdef5e 62df2017 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2022/11/24 06:22 https://github.com/google/kmsan.git master ddce02aa9c40 12c66417 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
* Struck through repros no longer work on HEAD.