------------[ cut here ]------------ WARNING: mm/page_alloc.c:4735 at __alloc_frozen_pages_noprof+0x1cf1/0x25b0, CPU#1: kswapd0/49 Modules linked in: CPU: 1 UID: 0 PID: 49 Comm: kswapd0 Not tainted 6.19.0-rc6-next-20260122 #1 PREEMPT(lazy) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__alloc_frozen_pages_noprof+0x1cf1/0x25b0 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 54 08 00 00 f6 43 2d 08 0f 84 e4 e7 ff ff 90 <0f> 0b 90 e9 db e7 ff ff 45 87 f5 c6 44 24 51 00 e9 7f fa ff ff e8 RSP: 0018:ffff88800b726d78 EFLAGS: 00010202 RAX: 0000000000000007 RBX: ffff88800b680000 RCX: 1ffff1100fffb8d1 RDX: 0000000000000000 RSI: 0000000000008000 RDI: ffff88800b68002c RBP: ffff88807ffdcb40 R08: 0000000000000801 R09: 0000000000000648 R10: ffff88807ffdcac7 R11: 0000000000000001 R12: 1ffff110016e4df4 R13: 0000000000000000 R14: 0000000000148c48 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880e5439000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555589809c98 CR3: 000000001bf01000 CR4: 0000000000350ef0 Call Trace: alloc_pages_mpol+0xed/0x340 folio_alloc_noprof+0x22/0x290 filemap_alloc_folio_noprof.part.0+0x372/0x410 __filemap_get_folio_mpol+0x513/0x9a0 bdev_getblk+0x241/0x660 __ext4_get_inode_loc+0x4f8/0x1370 ext4_get_inode_loc+0xbd/0x160 ext4_reserve_inode_write+0x155/0x350 __ext4_mark_inode_dirty+0x162/0x7c0 ext4_dirty_inode+0xdd/0x130 __mark_inode_dirty+0x1bc/0x1460 sync_lazytime.part.0+0x1ce/0x200 sync_lazytime+0x5d/0x80 iput.part.0+0x152/0xd00 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+0x3f0/0x1000 shrink_slab+0xb8f/0x12e0 shrink_node+0xa09/0x24e0 balance_pgdat+0x7c5/0x1390 kswapd+0x457/0xa00 kthread+0x385/0x490 ret_from_fork+0x67a/0x7a0 ret_from_fork_asm+0x1a/0x30 irq event stamp: 231301 hardirqs last enabled at (231311): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (231318): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (231108): [] __irq_exit_rcu+0xc4/0x100 softirqs last disabled at (231085): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- syz-executor.0: page allocation failure: order:0, mode:0x10cc0(GFP_KERNEL|__GFP_NORETRY), nodemask=(null),cpuset=/,mems_allowed=0 CPU: 1 UID: 0 PID: 184698 Comm: syz-executor.0 Tainted: G W 6.19.0-rc6-next-20260122 #1 PREEMPT(lazy) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xfa/0x120 warn_alloc+0x211/0x370 __alloc_frozen_pages_noprof+0x17c5/0x25b0 alloc_pages_mpol+0xed/0x340 alloc_pages_noprof+0xa1/0x380 kimage_alloc_pages+0x70/0x240 kimage_alloc_control_pages+0x18f/0x970 do_kexec_load+0x2c1/0xa50 __x64_sys_kexec_load+0x1c6/0x230 do_syscall_64+0xbf/0x420 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7ea7408b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7ea497e188 EFLAGS: 00000246 ORIG_RAX: 00000000000000f6 RAX: ffffffffffffffda RBX: 00007f7ea751bf60 RCX: 00007f7ea7408b19 RDX: 0000000020000140 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 00007f7ea7462f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffde55f2bcf R14: 00007f7ea497e300 R15: 0000000000022000 Mem-Info: active_anon:6411 inactive_anon:37148 isolated_anon:0 active_file:17239 inactive_file:5319 isolated_file:35 unevictable:0 dirty:20 writeback:21 slab_reclaimable:7531 slab_unreclaimable:71957 mapped:78545 shmem:5241 pagetables:6129 sec_pagetables:0 bounce:0 kernel_misc_reclaimable:0 free:5966 free_pcp:11 free_cma:0 Node 0 active_anon:25644kB inactive_anon:148592kB active_file:68956kB inactive_file:21276kB unevictable:0kB isolated(anon):0kB isolated(file):140kB mapped:314180kB dirty:80kB writeback:84kB shmem:20964kB kernel_stack:8992kB pagetables:24516kB sec_pagetables:0kB all_unreclaimable? no Balloon:0kB Node 0 DMA free:6432kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:64kB active_file:40kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 1597 1597 1597 Node 0 DMA32 free:17852kB boost:12460kB min:17528kB low:19148kB high:20768kB reserved_highatomic:0KB free_highatomic:0KB active_anon:25644kB inactive_anon:148528kB active_file:67132kB inactive_file:21500kB unevictable:0kB writepending:80kB zspages:0kB present:2080640kB managed:1635472kB mlocked:0kB bounce:0kB free_pcp:892kB local_pcp:492kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (E) 5*8kB (UME) 7*16kB (ME) 4*32kB (ME) 2*64kB (ME) 3*128kB (UME) 2*256kB (UE) 2*512kB (ME) 2*1024kB (ME) 1*2048kB (E) 0*4096kB = 6428kB Node 0 DMA32: 66*4kB (UM) 28*8kB (UM) 49*16kB (UM) 104*32kB (M) 81*64kB (ME) 36*128kB (M) 7*256kB (M) 3*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 17720kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 25791 total pagecache pages 0 pages in swap cache Free swap = 0kB Total swap = 0kB 524158 pages RAM 0 pages HighMem/MovableOnly 111450 pages reserved Memory cgroup min protection 0kB -- low protection 116444kB kexec: Could not allocate control_code_buffer kexec: Could not allocate control_code_buffer capability: warning: `syz-executor.3' uses 32-bit capabilities (legacy support in use) kexec: Could not allocate control_code_buffer kexec: Could not allocate control_code_buffer loop1: detected capacity change from 0 to 6 FAT-fs (loop1): unable to read boot sector (logical sector size = 4096) loop1: detected capacity change from 0 to 6 FAT-fs (loop1): unable to read boot sector (logical sector size = 4096) audit: type=1326 audit(2000000726.828:204): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=185903 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7ff935df6b19 code=0x0 audit: type=1326 audit(2000000727.656:205): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=185903 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7ff935df6b19 code=0x0 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.7'. loop3: detected capacity change from 0 to 264192 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.7'. loop6: detected capacity change from 0 to 64 FAT-fs (loop6): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) netlink: 12 bytes leftover after parsing attributes in process `syz-executor.7'. serio: Serial port ptm0 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.7'. serio: Serial port ptm0 serio: Serial port ptm1 serio: Serial port ptm0 serio: Serial port ptm1 serio: Serial port ptm0 tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' serio: Serial port ptm1