WARNING: CPU: 0 PID: 5172 at mm/page_alloc.c:4545 __alloc_pages+0x424/0x2430 mm/page_alloc.c:4545 Modules linked in: CPU: 0 PID: 5172 Comm: syz-executor220 Not tainted 6.8.0-syzkaller-00295-g0f1a876682f0 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:__alloc_pages+0x424/0x2430 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 f5 fc ff ff 80 3d 0a 19 ae 0d 00 75 0b c6 05 01 19 ae 0d 01 90 <0f> 0b 90 45 31 f6 e9 82 fe ff ff e8 ac c8 99 ff 84 c0 0f 85 75 fe RSP: 0018:ffffc9000350f978 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000100000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000014 RDI: 0000000000040d40 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000100000000 R11: 0000000000000001 R12: 0000000000040d40 R13: 1ffff920006a1f43 R14: 0000000100000000 R15: ffffffff8337473a FS: 00005555561c5480(0000) GS:ffff88806b200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555561c5da8 CR3: 0000000020abe000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __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:3926 __do_kmalloc_node mm/slub.c:3969 [inline] __kmalloc.cold+0xc/0x61 mm/slub.c:3994 kmalloc include/linux/slab.h:594 [inline] kzalloc include/linux/slab.h:711 [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+0x109/0x220 fs/fs_context.c:662 vfs_get_tree+0x8f/0x380 fs/super.c:1779 do_new_mount fs/namespace.c:3352 [inline] path_mount+0x14ea/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+0xd5/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7fc8ac6adf29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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:00007ffe3f5abf98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc8ac6adf29 RDX: 0000000020000140 RSI: 0000000020000340 RDI: 0000000000000000 RBP: 0000000000000000 R08: 00000000200006c0 R09: 00007ffe3f5abfd0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe3f5abfd0 R13: 00007ffe3f5ac258 R14: 431bde82d7b634db R15: 00007fc8ac6f6087