EXT4-fs (loop0): 1 truncate cleaned up EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5653 at mm/page_alloc.c:4630 __alloc_pages_slowpath+0xca5/0xce0 mm/page_alloc.c:4630 Modules linked in: CPU: 0 UID: 0 PID: 5653 Comm: syz.0.63 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__alloc_pages_slowpath+0xca5/0xce0 mm/page_alloc.c:4630 Code: 48 8b 1c 25 08 60 a1 92 48 83 c3 2c 48 89 d8 48 c1 e8 03 0f b6 04 08 84 c0 75 2e f6 43 01 08 48 8b 14 24 0f 84 a2 f3 ff ff 90 <0f> 0b 90 e9 99 f3 ff ff e8 1e 55 64 09 90 0f 0b 90 f7 c5 00 04 00 RSP: 0018:ffffc9000cc1e270 EFLAGS: 00010202 RAX: 0000000000000000 RBX: ffff88801f68002c RCX: dffffc0000000000 RDX: ffffc9000cc1e380 RSI: 0000000000000000 RDI: 0000000000048c40 RBP: 0000000000048c40 R08: ffff88801b2f306f R09: 1ffff1100365e60d R10: dffffc0000000000 R11: ffffed100365e60e R12: ffffc9000cc1e380 R13: 1ffff92001983c6c R14: 0000000000048c40 R15: dffffc0000000000 FS: 000055556e9ca500(0000) GS:ffff88808d20a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fba4f1ff000 CR3: 000000001f6e3000 CR4: 0000000000352ef0 Call Trace: __alloc_frozen_pages_noprof+0x319/0x370 mm/page_alloc.c:5161 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416 alloc_frozen_pages_noprof mm/mempolicy.c:2487 [inline] alloc_pages_noprof+0xa9/0x190 mm/mempolicy.c:2507 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2517 filemap_alloc_folio_noprof+0xdf/0x470 mm/filemap.c:1007 __filemap_get_folio+0x3f2/0xaf0 mm/filemap.c:1981 ext4_mb_load_buddy_gfp+0x281/0xeb0 fs/ext4/mballoc.c:1709 ext4_discard_preallocations+0x66b/0xec0 fs/ext4/mballoc.c:5660 ext4_clear_inode+0x40/0x1c0 fs/ext4/super.c:1503 ext4_evict_inode+0xa67/0xee0 fs/ext4/inode.c:321 evict+0x504/0x9c0 fs/inode.c:810 dispose_list fs/inode.c:852 [inline] prune_icache_sb+0x21b/0x2c0 fs/inode.c:1000 super_cache_scan+0x39b/0x4b0 fs/super.c:224 do_shrink_slab+0x6ef/0x1110 mm/shrinker.c:437 shrink_slab_memcg mm/shrinker.c:550 [inline] shrink_slab+0x7ef/0x10d0 mm/shrinker.c:628 shrink_one+0x28a/0x7c0 mm/vmscan.c:4954 shrink_many mm/vmscan.c:5015 [inline] lru_gen_shrink_node mm/vmscan.c:5093 [inline] shrink_node+0x314e/0x3760 mm/vmscan.c:6078 shrink_zones mm/vmscan.c:6336 [inline] do_try_to_free_pages+0x668/0x1960 mm/vmscan.c:6398 try_to_free_pages+0x8a2/0xdd0 mm/vmscan.c:6644 __perform_reclaim mm/page_alloc.c:4310 [inline] __alloc_pages_direct_reclaim+0x144/0x300 mm/page_alloc.c:4332 __alloc_pages_slowpath+0x5ff/0xce0 mm/page_alloc.c:4781 __alloc_frozen_pages_noprof+0x319/0x370 mm/page_alloc.c:5161 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416 folio_alloc_mpol_noprof+0x39/0x70 mm/mempolicy.c:2435 shmem_alloc_folio mm/shmem.c:1908 [inline] shmem_alloc_and_add_folio+0x447/0xf60 mm/shmem.c:1947 shmem_get_folio_gfp+0x59d/0x1660 mm/shmem.c:2597 shmem_get_folio mm/shmem.c:2703 [inline] shmem_write_begin+0xf7/0x2b0 mm/shmem.c:3353 generic_perform_write+0x2c5/0x900 mm/filemap.c:4175 shmem_file_write_iter+0xf8/0x120 mm/shmem.c:3528 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x5c6/0xb30 fs/read_write.c:686 ksys_write+0x145/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fba5718d65f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 RSP: 002b:00007ffe284b0130 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007fba5718d65f RDX: 0000000001000000 RSI: 00007fba4e200000 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000009600 R10: 0000200000009642 R11: 0000000000000293 R12: 0000000000000004 R13: 00007ffe284b0230 R14: 00007ffe284b01f0 R15: 00007fba4e200000