Hello, syzbot found the following issue on: HEAD commit: 96fca68c4fbf Merge tag 'nfsd-6.9-3' of git://git.kernel.or.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=104a186f180000 kernel config: https://syzkaller.appspot.com/x/.config?x=87a805e655619c64 dashboard link: https://syzkaller.appspot.com/bug?extid=bec528924d6c98923e5d compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/e9cf2979b8c2/disk-96fca68c.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/8c31261f0d8c/vmlinux-96fca68c.xz kernel image: https://storage.googleapis.com/syzbot-assets/86f7ecfba229/bzImage-96fca68c.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+bec528924d6c98923e5d@xxxxxxxxxxxxxxxxxxxxxxxxx gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" gfs2: fsid=syz:syz: Now mounting FS (format 1801)... gfs2: fsid=syz:syz.0: fatal: filesystem consistency error inode = 3 2074 function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 470 gfs2: fsid=syz:syz.0: G: s:SH n:2/81a f:qobnN t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:20593 [syz-executor.0] init_inodes+0x125/0x510 fs/gfs2/ops_fstype.c:884 ===================================================== BUG: KMSAN: uninit-value in inode_go_dump+0x475/0x4b0 fs/gfs2/glops.c:549 inode_go_dump+0x475/0x4b0 fs/gfs2/glops.c:549 gfs2_dump_glock+0x221c/0x2340 fs/gfs2/glock.c:2410 gfs2_consist_inode_i+0x19f/0x230 fs/gfs2/util.c:456 gfs2_dinode_in fs/gfs2/glops.c:470 [inline] gfs2_inode_refresh+0x12c7/0x1560 fs/gfs2/glops.c:490 inode_go_instantiate+0x6e/0xc0 fs/gfs2/glops.c:509 gfs2_instantiate+0x272/0x4c0 fs/gfs2/glock.c:454 gfs2_glock_holder_ready fs/gfs2/glock.c:1336 [inline] gfs2_glock_wait+0x2a4/0x3e0 fs/gfs2/glock.c:1356 gfs2_glock_nq+0x288b/0x3a20 fs/gfs2/glock.c:1616 gfs2_glock_nq_init fs/gfs2/glock.h:238 [inline] gfs2_jindex_hold fs/gfs2/ops_fstype.c:580 [inline] init_journal+0x315/0x3a40 fs/gfs2/ops_fstype.c:749 init_inodes+0x125/0x510 fs/gfs2/ops_fstype.c:884 gfs2_fill_super+0x3c15/0x42b0 fs/gfs2/ops_fstype.c:1263 get_tree_bdev+0x681/0x890 fs/super.c:1614 gfs2_get_tree+0x5c/0x340 fs/gfs2/ops_fstype.c:1341 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 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:3875 ia32_sys_call+0x3a9a/0x40a0 arch/x86/include/generated/asm/syscalls_32.h:22 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb4/0x120 arch/x86/entry/common.c:321 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:346 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:384 entry_SYSENTER_compat_after_hwframe+0x84/0x8e 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:3091 [inline] gfs2_alloc_inode+0x66/0x210 fs/gfs2/super.c:1537 alloc_inode+0x86/0x460 fs/inode.c:261 iget5_locked+0xa9/0x210 fs/inode.c:1235 gfs2_inode_lookup+0xbe/0x1450 fs/gfs2/inode.c:124 gfs2_lookup_root fs/gfs2/ops_fstype.c:460 [inline] init_sb+0xe63/0x1880 fs/gfs2/ops_fstype.c:527 gfs2_fill_super+0x3288/0x42b0 fs/gfs2/ops_fstype.c:1230 get_tree_bdev+0x681/0x890 fs/super.c:1614 gfs2_get_tree+0x5c/0x340 fs/gfs2/ops_fstype.c:1341 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 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:3875 ia32_sys_call+0x3a9a/0x40a0 arch/x86/include/generated/asm/syscalls_32.h:22 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb4/0x120 arch/x86/entry/common.c:321 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:346 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:384 entry_SYSENTER_compat_after_hwframe+0x84/0x8e CPU: 0 PID: 20593 Comm: syz-executor.0 Tainted: G W 6.9.0-rc4-syzkaller-00031-g96fca68c4fbf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 ===================================================== --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
