syzbot


WARNING in gfs2_ri_update

Status: upstream: reported C repro on 2025/03/25 08:09
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+5c0ca4a146e6115b14f7@syzkaller.appspotmail.com
First crash: 27d, last: 13d
Bug presence (1)
Date Name Commit Repro Result
2025/03/25 upstream (ToT) 2df0c02dab82 C [report] WARNING in __alloc_frozen_pages_noprof
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in gfs2_ri_update gfs2 C error inconclusive 5 514d 948d 0/28 auto-obsoleted due to no activity on 2024/03/03 22:38
linux-6.1 WARNING in gfs2_ri_update origin:upstream C 9 1d13h 27d 0/3 upstream: reported C repro on 2025/03/25 05:48
upstream WARNING in gfs2_ri_update (2) gfs2 C inconclusive 30 21d 347d 0/28 upstream: reported C repro on 2024/05/09 14:45
Last patch testing requests (1)
Created Duration User Patch Repo Result
2025/04/08 13:45 9m retest repro linux-5.15.y report log

Sample crash report:
gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
gfs2: fsid=syz:syz.0: first mount done, others may mount
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4162 at mm/page_alloc.c:5441 __alloc_pages+0x5cf/0x700
Modules linked in:
CPU: 0 PID: 4162 Comm: syz-executor718 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__alloc_pages+0x5cf/0x700 mm/page_alloc.c:5441
Code: 00 48 ba 00 00 00 00 00 fc ff df e9 1d fd ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 2e fd ff ff e8 c6 49 0a 00 e9 24 fd ff ff <0f> 0b 45 31 e4 e9 70 fd ff ff 48 8d 4c 24 50 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90002587440 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc900025874c8
RBP: ffffc90002587558 R08: dffffc0000000000 R09: ffffc900025874a0
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000040d40
R13: 1ffff920004b0e90 R14: ffffc900025874a0 R15: 1ffff920004b0e8c
FS:  00005555911b6380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055932fe2cec8 CR3: 0000000071b90000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kmalloc_order+0x41/0x150 mm/slab_common.c:966
 kmalloc_order_trace+0x15/0xe0 mm/slab_common.c:982
 kmalloc_large include/linux/slab.h:520 [inline]
 __kmalloc+0x214/0x300 mm/slub.c:4396
 kmalloc_array include/linux/slab.h:631 [inline]
 kcalloc include/linux/slab.h:660 [inline]
 compute_bitstructs fs/gfs2/rgrp.c:766 [inline]
 read_rindex_entry fs/gfs2/rgrp.c:931 [inline]
 gfs2_ri_update+0x532/0x18d0 fs/gfs2/rgrp.c:1001
 gfs2_rindex_update+0x32b/0x3f0 fs/gfs2/rgrp.c:1051
 init_inodes+0x249/0x310 fs/gfs2/ops_fstype.c:919
 gfs2_fill_super+0x1c2c/0x2750 fs/gfs2/ops_fstype.c:1249
 get_tree_bdev+0x3fe/0x620 fs/super.c:1325
 gfs2_get_tree+0x50/0x210 fs/gfs2/ops_fstype.c:1332
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3012
 do_mount fs/namespace.c:3355 [inline]
 __do_sys_mount fs/namespace.c:3563 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3540
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f690414a93a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff2530e148 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fff2530e160 RCX: 00007f690414a93a
RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007fff2530e160
RBP: 0000200000001c00 R08: 00007fff2530e1a0 R09: 0000000000012605
R10: 0000000000000804 R11: 0000000000000282 R12: 0000200000000240
R13: 00007fff2530e1a0 R14: 0000000000000003 R15: 0000000000000804
 </TASK>

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/25 08:21 linux-5.15.y 0c935c049b5c 875573af .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-linux-5-15-kasan WARNING in gfs2_ri_update
2025/03/25 08:14 linux-5.15.y 0c935c049b5c 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in gfs2_ri_update
2025/03/25 08:09 linux-5.15.y 0c935c049b5c 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in gfs2_ri_update
* Struck through repros no longer work on HEAD.