bcachefs (loop0): resume_logged_ops... done
bcachefs (loop0): delete_dead_inodes... done
bcachefs (loop0): done starting filesystem
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7409 at mm/page_alloc.c:4946 __alloc_frozen_pages_noprof+0xd0/0x318 mm/page_alloc.c:4946
Modules linked in:
CPU: 1 UID: 0 PID: 7409 Comm: syz.0.16 Not tainted 6.15.0-rc4-syzkaller-00028-ge0f4c8dd9d2d #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __alloc_frozen_pages_noprof+0xd0/0x318 mm/page_alloc.c:4946
lr : __alloc_frozen_pages_noprof+0xac/0x318 mm/page_alloc.c:4940
sp : ffff80009db876c0
x29: ffff80009db87790 x28: 1fffe00018ec9e40 x27: ffff80009db87a00
x26: 1fffe0001ab630a2 x25: dfff800000000000 x24: ffff80009db876e0
x23: ffff700013b70edc x22: 0000000000000000 x21: 0000000000040d40
x20: 0000000000000000 x19: 000000000000001a x18: 1fffe00036711a76
x17: ffff80008f2fe000 x16: ffff80008ad0f308 x15: 0000000000000005
x14: 1ffff00013b70ee0 x13: 0000000000000000 x12: 0000000000000000
x11: ffff700013b70ee5 x10: dfff800000000000 x9 : 0000000000000001
x8 : ffff800092804000 x7 : 0000000000000000 x6 : ffff8000802266b0
x5 : ffff0000c9603018 x4 : 0000000000000000 x3 : 0000000000000020
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __alloc_frozen_pages_noprof+0xd0/0x318 mm/page_alloc.c:4946 (P)
 __alloc_pages_noprof+0x18/0x100 mm/page_alloc.c:5004
 __alloc_pages_node_noprof include/linux/gfp.h:284 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:311 [inline]
 ___kmalloc_large_node+0xa8/0x1d8 mm/slub.c:4285
 __kmalloc_large_node_noprof+0x2c/0x8c mm/slub.c:4313
 __do_kmalloc_node mm/slub.c:4329 [inline]
 __kmalloc_noprof+0x3bc/0x4c8 mm/slub.c:4353
 kmalloc_noprof include/linux/slab.h:909 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 v9fs_fid_get_acl+0x64/0x114 fs/9p/acl.c:32
 __v9fs_get_acl fs/9p/acl.c:66 [inline]
 v9fs_get_acl+0xa8/0x3ac fs/9p/acl.c:92
 v9fs_qid_iget_dotl fs/9p/vfs_inode_dotl.c:131 [inline]
 v9fs_inode_from_fid_dotl+0x1d8/0x26c fs/9p/vfs_inode_dotl.c:154
 v9fs_get_new_inode_from_fid fs/9p/v9fs.h:251 [inline]
 v9fs_mount+0x598/0x8d4 fs/9p/vfs_super.c:142
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662
 vfs_get_tree+0x90/0x28c fs/super.c:1759
 do_new_mount+0x228/0x814 fs/namespace.c:3884
 path_mount+0x5b4/0xde0 fs/namespace.c:4211
 do_mount fs/namespace.c:4224 [inline]
 __do_sys_mount fs/namespace.c:4435 [inline]
 __se_sys_mount fs/namespace.c:4412 [inline]
 __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4412
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 75460
hardirqs last  enabled at (75459): [<ffff800080c20490>] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234
hardirqs last disabled at (75460): [<ffff80008ada1368>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (75264): [<ffff800080a6332c>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (75264): [<ffff800080a6332c>] bdi_register_va+0x534/0x7e4 mm/backing-dev.c:1114
softirqs last disabled at (75262): [<ffff800080a63118>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (75262): [<ffff800080a63118>] bdi_register_va+0x320/0x7e4 mm/backing-dev.c:1104
---[ end trace 0000000000000000 ]---