syzbot

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WARNING: CPU: 0 PID: 5075 at mm/page_alloc.c:4545 __alloc_pages+0x423/0x2410 mm/page_alloc.c:4545
Modules linked in:
CPU: 0 PID: 5075 Comm: syz-executor752 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:__alloc_pages+0x423/0x2410 mm/page_alloc.c:4545
Code: 0f 84 09 fe ff ff 80 ce 01 e9 01 fe ff ff 83 7c 24 04 0a 0f 86 f6 fc ff ff 80 3d da 1f ab 0d 00 75 0b c6 05 d1 1f ab 0d 01 90 <0f> 0b 90 45 31 f6 e9 82 fe ff ff e8 cd 12 97 ff 84 c0 0f 85 75 fe
RSP: 0018:ffffc90003a3f978 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000100000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000014 RDI: 0000000000040d40
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000100000000 R11: ffffffff81e8ea23 R12: 0000000000040d40
R13: 1ffff92000747f43 R14: 0000000100000000 R15: ffffffff833ea27a
FS:  000055556e463380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 0000000076bf0000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __alloc_pages_node include/linux/gfp.h:238 [inline]
 alloc_pages_node include/linux/gfp.h:261 [inline]
 __kmalloc_large_node+0x7f/0x1a0 mm/slub.c:3911
 __do_kmalloc_node mm/slub.c:3954 [inline]
 __kmalloc.cold+0xc/0x61 mm/slub.c:3979
 kmalloc include/linux/slab.h:632 [inline]
 kzalloc include/linux/slab.h:749 [inline]
 v9fs_fid_get_acl+0x7a/0x120 fs/9p/acl.c:32
 __v9fs_get_acl fs/9p/acl.c:66 [inline]
 v9fs_get_acl+0x2e8/0x560 fs/9p/acl.c:93
 v9fs_mount+0x65e/0xcd0 fs/9p/vfs_super.c:181
 legacy_get_tree+0x10c/0x220 fs/fs_context.c:662
 vfs_get_tree+0x92/0x380 fs/super.c:1779
 do_new_mount fs/namespace.c:3352 [inline]
 path_mount+0x14e6/0x1f20 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount fs/namespace.c:3875 [inline]
 __x64_sys_mount+0x297/0x320 fs/namespace.c:3875
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd5/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fa9d3485e79
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffc9119aee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fa9d34cf03b RCX: 00007fa9d3485e79
RDX: 0000000020000b80 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007fa9d34f95f0 R08: 0000000020000100 R09: 0000000000000006
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
 </TASK>