------------[ cut here ]------------ WARNING: CPU: 0 PID: 8304 at mm/page_alloc.c:4551 __alloc_pages+0x423/0x2410 mm/page_alloc.c:4551 Modules linked in: CPU: 0 PID: 8304 Comm: syz-executor.0 Not tainted 6.8.0-syzkaller-09791-ge5eb28f6d1af #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+0x423/0x2410 mm/page_alloc.c:4551 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 05 57 ac 0d 00 75 0b c6 05 fc 56 ac 0d 01 90 <0f> 0b 90 45 31 f6 e9 82 fe ff ff e8 ed 48 97 ff 84 c0 0f 85 75 fe RSP: 0018:ffffc90003def978 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000002600000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000000001a RDI: 0000000000040d40 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000002600000000 R11: 0000000000000001 R12: 0000000000040d40 R13: 1ffff920007bdf43 R14: 0000002600000000 R15: ffffffff833dbeea FS: 00007fdb65fc46c0(0000) GS:ffff88806b200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdb65ed66e4 CR3: 0000000108af0000 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: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+0xee/0x560 fs/9p/acl.c:92 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+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+0xd2/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7fdb6527dda9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdb65fc40c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fdb653abf80 RCX: 00007fdb6527dda9 RDX: 0000000020000b80 RSI: 00000000200003c0 RDI: 0000000000000000 RBP: 00007fdb652ca47a R08: 0000000020000140 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fdb653abf80 R15: 00007ffc32878e48