------------[ cut here ]------------
current->flags & PF_MEMALLOC
WARNING: mm/page_alloc.c:4816 at __alloc_pages_slowpath mm/page_alloc.c:4816 [inline], CPU#0: syz.5.384/8702
WARNING: mm/page_alloc.c:4816 at __alloc_frozen_pages_noprof+0x1eac/0x3300 mm/page_alloc.c:5449, CPU#0: syz.5.384/8702
Modules linked in:
CPU: 0 UID: 0 PID: 8702 Comm: syz.5.384 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__alloc_pages_slowpath mm/page_alloc.c:4816 [inline]
RIP: 0010:__alloc_frozen_pages_noprof+0x1eac/0x3300 mm/page_alloc.c:5449
Code: 38 d0 7c 08 84 d2 0f 85 de 12 00 00 65 48 8b 05 82 aa 1c 12 c7 84 24 94 00 00 00 00 80 00 00 f6 40 2d 08 0f 84 ba e7 ff ff 90 <0f> 0b 90 e9 b1 e7 ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03
RSP: 0018:ffffc900246ad838 EFLAGS: 00010202
RAX: ffff88805cc1a580 RBX: 0000000000000000 RCX: 1ffff1100fffad29
RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff88803fffd938
RBP: ffff88805cc1a5ac R08: 0000000000008000 R09: 0000000000000001
R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000048c40
R13: ffff88803fffb900 R14: 0000000000000000 R15: 1ffff920048d5b21
FS:  0000000000000000(0000) GS:ffff888096956000(0063) knlGS:00000000f5439b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f4f27da4 CR3: 000000004e708000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 alloc_pages_mpol+0x201/0x550 mm/mempolicy.c:2486
 alloc_pages_noprof mm/mempolicy.c:2577 [inline]
 folio_alloc_noprof+0x22/0x250 mm/mempolicy.c:2587
 filemap_alloc_folio_noprof.part.0+0x3db/0x440 mm/filemap.c:1019
 filemap_alloc_folio_noprof mm/filemap.c:2033 [inline]
 __filemap_get_folio_mpol+0x653/0x1280 mm/filemap.c:2018
 __filemap_get_folio include/linux/pagemap.h:761 [inline]
 ext4_mb_load_buddy_gfp+0x70d/0x1b20 fs/ext4/mballoc.c:1732
 ext4_discard_preallocations+0x584/0x10c0 fs/ext4/mballoc.c:5686
 ext4_clear_inode+0x6e/0x280 fs/ext4/super.c:1547
 ext4_evict_inode+0x1de/0x17d0 fs/ext4/inode.c:333
 evict+0x3c2/0xad0 fs/inode.c:822
 dispose_list+0x117/0x1e0 fs/inode.c:864
 prune_icache_sb+0xea/0x150 fs/inode.c:1011
 super_cache_scan+0x376/0x550 fs/super.c:227
 do_shrink_slab+0x416/0x1200 mm/shrinker.c:445
 shrink_slab_memcg mm/shrinker.c:562 [inline]
 shrink_slab+0xa82/0x12e0 mm/shrinker.c:640
 shrink_one+0x398/0x850 mm/vmscan.c:5119
 shrink_many mm/vmscan.c:5180 [inline]
 lru_gen_shrink_node mm/vmscan.c:5258 [inline]
 shrink_node+0x2b20/0x4320 mm/vmscan.c:6247
 shrink_zones mm/vmscan.c:6503 [inline]
 do_try_to_free_pages+0x33e/0x16d0 mm/vmscan.c:6565
 try_to_free_pages+0x2a0/0x740 mm/vmscan.c:6804
 __perform_reclaim mm/page_alloc.c:4451 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:4478 [inline]
 __alloc_pages_slowpath mm/page_alloc.c:4939 [inline]
 __alloc_frozen_pages_noprof+0xf8a/0x3300 mm/page_alloc.c:5449
 alloc_pages_mpol+0x201/0x550 mm/mempolicy.c:2486
 folio_alloc_mpol_noprof+0x36/0x260 mm/mempolicy.c:2505
 shmem_alloc_folio+0x135/0x160 mm/shmem.c:1933
 shmem_alloc_and_add_folio+0x371/0xd40 mm/shmem.c:1975
 shmem_get_folio_gfp+0x75b/0x1980 mm/shmem.c:2528
 shmem_get_folio mm/shmem.c:2634 [inline]
 shmem_write_begin+0x1a4/0x420 mm/shmem.c:3265
 generic_perform_write+0x292/0xa40 mm/filemap.c:4374
 shmem_file_write_iter+0x10e/0x140 mm/shmem.c:3440
 __kernel_write_iter+0x2ac/0x930 fs/read_write.c:621
 dump_emit_page fs/coredump.c:1293 [inline]
 dump_user_range+0x3f9/0xad0 fs/coredump.c:1367
 elf_core_dump+0x31f8/0x42f0 fs/binfmt_elf.c:2106
 coredump_write fs/coredump.c:1047 [inline]
 do_coredump fs/coredump.c:1126 [inline]
 vfs_coredump+0x281a/0x54a0 fs/coredump.c:1195
 get_signal+0x1f2a/0x21e0 kernel/signal.c:3097
 arch_do_signal_or_restart+0x91/0x7a0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:101 [inline]
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline]
 irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline]
 irqentry_exit+0x402/0xa10 kernel/entry/common.c:165
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0023:0xf70cefec
Code: Unable to access opcode bytes at 0xf70cefc2.
RSP: 002b:00000000fffffea0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 000000001fa02000 RCX: 00000000fffffea0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000f54395ec R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>