------------[ cut here ]------------ WARNING: CPU: 0 PID: 10814 at mm/page_alloc.c:5568 __alloc_pages+0x3a2/0x4a0 mm/page_alloc.c:5568 Modules linked in: CPU: 0 PID: 10814 Comm: syz-executor.5 Not tainted 6.3.0-rc6-syzkaller-00188-g3e7bb4f24617 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 RIP: 0010:__alloc_pages+0x3a2/0x4a0 mm/page_alloc.c:5568 Code: ff ff 00 0f 84 33 fe ff ff 80 ce 01 e9 2b fe ff ff 83 fe 0a 0f 86 3e fd ff ff 80 3d 4b 34 99 0c 00 75 09 c6 05 42 34 99 0c 01 <0f> 0b 45 31 f6 e9 8d fe ff ff e8 ef 4c a3 ff 84 c0 0f 85 80 fe ff RSP: 0018:ffffc90004267ac0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff9200084cf59 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000014 RDI: 0000000000000000 RBP: 0000000000040d40 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000100000000 R11: 0000000000000000 R12: 0000000000000014 R13: 0000000000000000 R14: 0000000000040d40 R15: 0000000000000000 FS: 00007fdb0370a700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdb0370a718 CR3: 000000006c96a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __alloc_pages_node include/linux/gfp.h:237 [inline] alloc_pages_node include/linux/gfp.h:260 [inline] __kmalloc_large_node+0x94/0x1d0 mm/slab_common.c:1112 __do_kmalloc_node mm/slab_common.c:955 [inline] __kmalloc+0x104/0x190 mm/slab_common.c:980 kmalloc include/linux/slab.h:584 [inline] kzalloc include/linux/slab.h:720 [inline] v9fs_fid_get_acl+0x78/0x120 fs/9p/acl.c:32 __v9fs_get_acl fs/9p/acl.c:66 [inline] v9fs_get_acl+0x3b2/0x5f0 fs/9p/acl.c:93 v9fs_mount+0x662/0xca0 fs/9p/vfs_super.c:183 legacy_get_tree+0x109/0x220 fs/fs_context.c:610 vfs_get_tree+0x8d/0x350 fs/super.c:1510 do_new_mount fs/namespace.c:3042 [inline] path_mount+0x1342/0x1e40 fs/namespace.c:3372 do_mount fs/namespace.c:3385 [inline] __do_sys_mount fs/namespace.c:3594 [inline] __se_sys_mount fs/namespace.c:3571 [inline] __x64_sys_mount+0x283/0x300 fs/namespace.c:3571 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb02a8c0d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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:00007fdb0370a168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fdb02bac050 RCX: 00007fdb02a8c0d9 RDX: 0000000020000140 RSI: 0000000020000340 RDI: 0000000000000000 RBP: 00007fdb02ae7ae9 R08: 00000000200006c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd5cddcadf R14: 00007fdb0370a300 R15: 0000000000022000