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KMSAN: uninit-value in inode_go_dump (2)

Status: auto-obsoleted due to no activity on 2023/12/17 04:58
Subsystems: gfs2
[Documentation on labels]
First crash: 226d, last: 226d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KMSAN: uninit-value in inode_go_dump (3) gfs2 1 121d 112d 0/26 auto-obsoleted due to no activity on 2024/04/10 06:12
upstream KMSAN: uninit-value in inode_go_dump (4) gfs2 1 13d 9d18h 0/26 upstream: reported on 2024/04/21 23:11
upstream KMSAN: uninit-value in inode_go_dump gfs2 8 327d 470d 0/26 auto-obsoleted due to no activity on 2023/09/17 03:31

Sample crash report:
BUG: KMSAN: uninit-value in inode_go_dump+0x471/0x4b0 fs/gfs2/glops.c:548
 inode_go_dump+0x471/0x4b0 fs/gfs2/glops.c:548
 gfs2_dump_glock+0x2219/0x2340 fs/gfs2/glock.c:2376
 gfs2_consist_inode_i+0x19f/0x220 fs/gfs2/util.c:456
 gfs2_dinode_in fs/gfs2/glops.c:469 [inline]
 gfs2_inode_refresh+0xf3e/0x1580 fs/gfs2/glops.c:489
 inode_go_instantiate+0x6e/0xc0 fs/gfs2/glops.c:508
 gfs2_instantiate+0x26f/0x4b0 fs/gfs2/glock.c:454
 gfs2_glock_holder_ready fs/gfs2/glock.c:1319 [inline]
 gfs2_glock_wait+0x2a4/0x3e0 fs/gfs2/glock.c:1339
 gfs2_glock_nq+0x1d9f/0x2a00 fs/gfs2/glock.c:1580
 gfs2_glock_nq_init fs/gfs2/glock.h:252 [inline]
 init_journal+0x1208/0x38b0 fs/gfs2/ops_fstype.c:791
 init_inodes+0x125/0x510 fs/gfs2/ops_fstype.c:885
 gfs2_fill_super+0x3c05/0x4310 fs/gfs2/ops_fstype.c:1268
 get_tree_bdev+0x6b5/0x8f0 fs/super.c:1577
 gfs2_get_tree+0x5c/0x340 fs/gfs2/ops_fstype.c:1348
 vfs_get_tree+0xa5/0x520 fs/super.c:1750
 do_new_mount+0x68d/0x1550 fs/namespace.c:3335
 path_mount+0x73d/0x1f20 fs/namespace.c:3662
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount+0x725/0x810 fs/namespace.c:3861
 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:3861
 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+0x9a4/0xe00 mm/page_alloc.c:4449
 alloc_pages+0xd01/0x1040
 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+0x5ee/0xa10 mm/slub.c:3509
 alloc_inode_sb include/linux/fs.h:2909 [inline]
 gfs2_alloc_inode+0x66/0x210 fs/gfs2/super.c:1561
 alloc_inode+0x83/0x440 fs/inode.c:259
 iget5_locked+0xa9/0x210 fs/inode.c:1269
 gfs2_inode_lookup+0xbe/0x1440 fs/gfs2/inode.c:124
 gfs2_lookup_root fs/gfs2/ops_fstype.c:461 [inline]
 init_sb+0xe62/0x1880 fs/gfs2/ops_fstype.c:528
 gfs2_fill_super+0x327e/0x4310 fs/gfs2/ops_fstype.c:1235
 get_tree_bdev+0x6b5/0x8f0 fs/super.c:1577
 gfs2_get_tree+0x5c/0x340 fs/gfs2/ops_fstype.c:1348
 vfs_get_tree+0xa5/0x520 fs/super.c:1750
 do_new_mount+0x68d/0x1550 fs/namespace.c:3335
 path_mount+0x73d/0x1f20 fs/namespace.c:3662
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount+0x725/0x810 fs/namespace.c:3861
 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:3861
 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: 0 PID: 9397 Comm: syz-executor.2 Not tainted 6.6.0-rc1-syzkaller-00269-ge789286468a9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
=====================================================

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/09/18 04:48 upstream e789286468a9 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386 KMSAN: uninit-value in inode_go_dump
* Struck through repros no longer work on HEAD.