syzbot


KMSAN: uninit-value in reiserfs_new_inode (2)

Status: upstream: reported on 2022/11/24 06:39
Subsystems: reiserfs
[Documentation on labels]
Reported-by: syzbot+6450929faa7a97cd42d1@syzkaller.appspotmail.com
First crash: 372d, last: 2h27m
Discussions (3)
Title Replies (including bot) Last reply
[syzbot] Monthly reiserfs report (Nov 2023) 0 (1) 2023/11/03 10:22
[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 (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KMSAN: uninit-value in reiserfs_new_inode reiserfs 4 892d 1033d 0/25 auto-closed as invalid on 2021/10/20 16:24
upstream KMSAN: uninit-value in native_apic_mem_write (2) kernel syz 148 283d 296d 0/25 auto-obsoleted due to no activity on 2023/05/13 00:04
upstream KMSAN: kernel-infoleak in copyout (2) net C 6723 176d 1345d 24/25 fixed on 2023/06/08 14:41
upstream KMSAN: kernel-infoleak in _copy_to_iter (8) mm C 21180 176d 270d 24/25 fixed on 2023/06/08 14:41
upstream KMSAN: uninit-value in inode_go_dump gfs2 8 175d 318d 0/25 auto-obsoleted due to no activity on 2023/09/17 03:31

Sample crash report:
=====================================================
BUG: KMSAN: uninit-value in reiserfs_new_inode+0x16cd/0x20f0 fs/reiserfs/inode.c:2044
 reiserfs_new_inode+0x16cd/0x20f0 fs/reiserfs/inode.c:2044
 reiserfs_create+0x674/0xcb0 fs/reiserfs/namei.c:666
 xattr_create fs/reiserfs/xattr.c:70 [inline]
 xattr_lookup+0x3ee/0x5e0 fs/reiserfs/xattr.c:413
 reiserfs_xattr_set_handle+0xe7/0x21b0 fs/reiserfs/xattr.c:535
 reiserfs_xattr_set+0x670/0x7f0 fs/reiserfs/xattr.c:635
 security_set+0xda/0x130 fs/reiserfs/xattr_security.c:32
 __vfs_setxattr+0x7aa/0x8b0 fs/xattr.c:201
 __vfs_setxattr_noperm+0x24f/0xa30 fs/xattr.c:235
 __vfs_setxattr_locked+0x441/0x480 fs/xattr.c:296
 vfs_setxattr+0x294/0x650 fs/xattr.c:322
 do_setxattr fs/xattr.c:630 [inline]
 setxattr+0x45f/0x540 fs/xattr.c:653
 path_setxattr+0x1f5/0x3c0 fs/xattr.c:672
 __do_sys_setxattr fs/xattr.c:688 [inline]
 __se_sys_setxattr fs/xattr.c:684 [inline]
 __ia32_sys_setxattr+0xf4/0x170 fs/xattr.c:684
 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:230
 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:255
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:293
 entry_SYSENTER_compat_after_hwframe+0x70/0x7a

Uninit was created at:
 __alloc_pages+0x9a4/0xe00 mm/page_alloc.c:4591
 alloc_pages_mpol+0x62b/0x9d0 mm/mempolicy.c:2133
 alloc_pages+0x1be/0x1e0 mm/mempolicy.c:2204
 alloc_slab_page mm/slub.c:1870 [inline]
 allocate_slab mm/slub.c:2017 [inline]
 new_slab+0x421/0x1570 mm/slub.c:2070
 ___slab_alloc+0x13db/0x33d0 mm/slub.c:3223
 __slab_alloc mm/slub.c:3322 [inline]
 __slab_alloc_node mm/slub.c:3375 [inline]
 slab_alloc_node mm/slub.c:3468 [inline]
 slab_alloc mm/slub.c:3486 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
 kmem_cache_alloc_lru+0x552/0x970 mm/slub.c:3509
 alloc_inode_sb include/linux/fs.h:2937 [inline]
 reiserfs_alloc_inode+0x62/0x150 fs/reiserfs/super.c:642
 alloc_inode+0x83/0x440 fs/inode.c:261
 iget5_locked+0xa9/0x210 fs/inode.c:1271
 reiserfs_fill_super+0x2109/0x39d0 fs/reiserfs/super.c:2053
 mount_bdev+0x3d7/0x560 fs/super.c:1650
 get_super_block+0x4d/0x60 fs/reiserfs/super.c:2601
 legacy_get_tree+0x110/0x290 fs/fs_context.c:662
 vfs_get_tree+0xa5/0x520 fs/super.c:1771
 do_new_mount+0x68d/0x1550 fs/namespace.c:3337
 path_mount+0x73d/0x1f20 fs/namespace.c:3664
 do_mount fs/namespace.c:3677 [inline]
 __do_sys_mount fs/namespace.c:3886 [inline]
 __se_sys_mount+0x725/0x810 fs/namespace.c:3863
 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:3863
 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:230
 do_fast_syscall_32+0x37/0x70 arch/x86/entry/common.c:255
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:293
 entry_SYSENTER_compat_after_hwframe+0x70/0x7a

CPU: 0 PID: 10658 Comm: syz-executor.3 Not tainted 6.7.0-rc3-syzkaller-00048-ge8f60209d6cf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
=====================================================

Crashes (952):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/12/01 14:31 upstream e8f60209d6cf f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/12/01 14:18 upstream e8f60209d6cf f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/12/01 12:07 upstream e8f60209d6cf f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/30 17:00 upstream 3b47bc037bd4 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/29 10:23 upstream 18d46e76d7c2 1adfb6f6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/29 06:46 upstream 18d46e76d7c2 1adfb6f6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/28 01:37 upstream 2cc14f52aeb7 9fe51b7c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/26 20:58 upstream 090472ed9c92 5b429f39 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/25 03:13 upstream fa2b906f5148 5b429f39 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/24 18:36 upstream f1a09972a45a 5b429f39 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/24 15:28 upstream f1a09972a45a 5b429f39 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/23 12:06 upstream 9b6de136b5f0 03e12510 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/23 11:06 upstream 9b6de136b5f0 03e12510 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/23 07:09 upstream 9b6de136b5f0 03e12510 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/22 10:08 upstream c2d5304e6c64 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/22 07:52 upstream c2d5304e6c64 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/22 03:55 upstream c2d5304e6c64 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/21 22:33 upstream c2d5304e6c64 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/21 20:05 upstream 98b1cc82c4af cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/21 19:26 upstream 98b1cc82c4af cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/21 15:43 upstream 98b1cc82c4af cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/21 12:24 upstream 98b1cc82c4af cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/21 11:19 upstream 98b1cc82c4af cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/21 10:19 upstream 98b1cc82c4af cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/21 07:02 upstream 98b1cc82c4af cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/20 19:44 upstream 98b1cc82c4af cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/20 07:22 upstream eb3479bc23fa cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/19 22:23 upstream 037266a5f723 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/17 10:34 upstream 7475e51b8796 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/17 09:31 upstream 7475e51b8796 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/16 15:08 upstream c42d9eeef8e5 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/15 18:21 upstream c42d9eeef8e5 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/15 03:37 upstream 9bacdd8996c7 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/15 03:12 upstream 9bacdd8996c7 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/14 21:08 upstream 9bacdd8996c7 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/14 14:55 upstream 9bacdd8996c7 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/13 06:58 upstream b57b17e88bf5 6d6dbf8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/12 15:37 upstream 1b907d050735 6d6dbf8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/12 14:15 upstream 1b907d050735 6d6dbf8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/11 14:15 upstream ac347a0655db 6d6dbf8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/11 12:53 upstream ac347a0655db 6d6dbf8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in reiserfs_new_inode
2023/11/11 10:23 upstream ac347a0655db 6d6dbf8a .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.