------------[ cut here ]------------ WARNING: CPU: 1 PID: 6153 at mm/page_alloc.c:5441 current_gfp_context include/linux/sched/mm.h:-1 [inline] WARNING: CPU: 1 PID: 6153 at mm/page_alloc.c:5441 __alloc_pages+0x391/0x470 mm/page_alloc.c:5453 Modules linked in: CPU: 1 PID: 6153 Comm: syz.1.446 Not tainted 5.15.181-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 RIP: 0010:__alloc_pages+0x391/0x470 mm/page_alloc.c:5441 Code: 31 ff e9 b2 fe ff ff e8 6d a8 ed 07 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 50 fd ff ff 4c 89 e7 e8 a4 ac 09 00 e9 43 fd ff ff <0f> 0b 45 31 ff e9 ef fe ff ff 65 44 8b 2d 95 90 4e 7e 41 83 fd 08 RSP: 0018:ffffc900032dfb20 EFLAGS: 00010246 RAX: ffffc900032dfb60 RBX: 1ffff9200065bf68 RCX: 0000000000000000 RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc900032dfb88 RBP: ffffc900032dfc18 R08: dffffc0000000000 R09: ffffc900032dfb60 R10: fffff5200065bf71 R11: 1ffff9200065bf6c R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000040d40 R15: 0000000000000014 FS: 00007f7735b426c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2b4716 CR3: 0000000079330000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kmalloc_order+0x40/0x150 mm/slab_common.c:986 kmalloc_order_trace+0x14/0xf0 mm/slab_common.c:1002 kmalloc include/linux/slab.h:609 [inline] kzalloc include/linux/slab.h:735 [inline] __v9fs_get_acl+0x40/0x110 fs/9p/acl.c:36 v9fs_get_acl+0x97/0x260 fs/9p/acl.c:70 v9fs_mount+0x6c0/0x850 fs/9p/vfs_super.c:184 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x24a/0xa40 fs/namespace.c:3013 do_mount fs/namespace.c:3356 [inline] __do_sys_mount fs/namespace.c:3564 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3541 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f7737cda969 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7735b42038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7737f01fa0 RCX: 00007f7737cda969 RDX: 0000200000000b80 RSI: 00002000000003c0 RDI: 0000000000000000 RBP: 00007f7737d5cab1 R08: 0000200000000580 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f7737f01fa0 R15: 00007fff73ab5548