syzbot
WARNING in gfs2_ri_update
Status:
upstream: reported C repro on 2025/03/25 05:48
Bug presence:
origin:upstream
[Documentation on labels]
Reported-by: syzbot+dfd64589ce751f962e0b@syzkaller.appspotmail.com
First crash: 490d, last: 210d
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Bug presence (1)
| Date |
Name |
Commit |
Repro |
Result |
| 2025/03/25 |
upstream (ToT) |
2df0c02dab82 |
C
|
[report] WARNING in __alloc_frozen_pages_noprof
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Fix bisection attempts (8)
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: 1 PID: 4243 at mm/page_alloc.c:5582 __alloc_pages+0x3b7/0x770 mm/page_alloc.c:5582
Modules linked in:
CPU: 1 PID: 4243 Comm: syz-executor206 Not tainted 6.1.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__alloc_pages+0x3b7/0x770 mm/page_alloc.c:5582
Code: fc ff df 0f 85 fa 00 00 00 44 89 e9 81 e1 7f ff ff ff a9 00 00 04 00 41 0f 44 cd 41 89 cd e9 ea 00 00 00 c6 05 e6 37 b6 0c 01 <0f> 0b 41 83 fc 0a 0f 86 1e fd ff ff 45 31 e4 48 c7 44 24 20 0e 36
RSP: 0018:ffffc90003d774e0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc90003d77568
RBP: ffffc90003d775f8 R08: dffffc0000000000 R09: ffffc90003d77540
R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000000c
R13: 0000000000040d40 R14: 1ffff920007aeea4 R15: 1ffff920007aeea0
FS: 0000555561bed380(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd16243ff8 CR3: 0000000027709000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__alloc_pages_node include/linux/gfp.h:237 [inline]
alloc_pages_node include/linux/gfp.h:260 [inline]
__kmalloc_large_node+0x91/0x1d0 mm/slab_common.c:1077
__do_kmalloc_node mm/slab_common.c:924 [inline]
__kmalloc+0x118/0x230 mm/slab_common.c:949
kmalloc_array include/linux/slab.h:615 [inline]
kcalloc include/linux/slab.h:646 [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+0x32f/0x3f0 fs/gfs2/rgrp.c:1051
init_inodes+0x249/0x310 fs/gfs2/ops_fstype.c:917
gfs2_fill_super+0x1c40/0x2770 fs/gfs2/ops_fstype.c:1246
get_tree_bdev+0x3fe/0x620 fs/super.c:1366
gfs2_get_tree+0x50/0x210 fs/gfs2/ops_fstype.c:1327
vfs_get_tree+0x88/0x270 fs/super.c:1573
do_new_mount+0x2ba/0xb40 fs/namespace.c:3056
do_mount fs/namespace.c:3399 [inline]
__do_sys_mount fs/namespace.c:3607 [inline]
__se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3584
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fca95f4d93a
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:00007fff0843d0d8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fff0843d0f0 RCX: 00007fca95f4d93a
RDX: 0000200000000240 RSI: 0000200000001c00 RDI: 00007fff0843d0f0
RBP: 0000200000001c00 R08: 00007fff0843d130 R09: 0000000000012605
R10: 0000000000000804 R11: 0000000000000282 R12: 0000200000000240
R13: 00007fff0843d130 R14: 0000000000000003 R15: 0000000000000804
</TASK>
Struck through repros no longer work on HEAD.