------------[ cut here ]------------ WARNING: mm/page_alloc.c:4665 at __alloc_frozen_pages_noprof+0x176f/0x1f20, CPU#0: kswapd0/51 Modules linked in: CPU: 0 UID: 0 PID: 51 Comm: kswapd0 Not tainted 6.17.0-next-20250929 #1 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__alloc_frozen_pages_noprof+0x176f/0x1f20 Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 7e 07 00 00 f6 43 2d 08 0f 84 68 ec ff ff 90 <0f> 0b 90 e9 5f ec ff ff 48 89 b4 24 90 00 00 00 48 89 94 24 88 00 RSP: 0018:ffff88800b2cee00 EFLAGS: 00010202 RAX: 0000000000000007 RBX: ffff88800aefd280 RCX: ffff88800b2cef04 RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff88800aefd2ac RBP: 0000000000000800 R08: 0000000000000801 R09: 000000000000064b R10: ffff88807ffdcac7 R11: 0000000000000001 R12: 0000000000000400 R13: 0000000000148c48 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880e53be000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557aa48c58 CR3: 0000000054fa3000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: alloc_pages_mpol+0xed/0x340 folio_alloc_noprof+0x22/0x290 filemap_alloc_folio_noprof+0x376/0x420 __filemap_get_folio+0x384/0x960 __getblk_slow+0x13d/0x550 bdev_getblk+0xe0/0xf0 __ext4_get_inode_loc+0x4f8/0x1390 ext4_get_inode_loc+0xbd/0x160 ext4_reserve_inode_write+0x155/0x350 __ext4_mark_inode_dirty+0x162/0x7e0 ext4_dirty_inode+0xdd/0x130 __mark_inode_dirty+0x1b7/0xd00 iput.part.0+0x67b/0x960 iput+0x35/0x40 dentry_unlink_inode+0x2bb/0x4a0 __dentry_kill+0x1d2/0x5f0 shrink_dentry_list+0x13d/0x650 prune_dcache_sb+0xea/0x150 super_cache_scan+0x33a/0x550 do_shrink_slab+0x3f0/0x1060 shrink_slab+0xb8f/0x12e0 shrink_node+0xacf/0x26a0 balance_pgdat+0x8cb/0x12f0 kswapd+0x457/0xa60 kthread+0x3c8/0x740 ret_from_fork+0x38b/0x470 ret_from_fork_asm+0x1a/0x30 irq event stamp: 182157 hardirqs last enabled at (182165): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (182174): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (181518): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (181513): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- kexec: Could not allocate control_code_buffer kexec: Could not allocate control_code_buffer netlink: 12 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive.