tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1483 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:825 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 sock_write_iter+0x291/0x3d0 net/socket.c:1108 call_write_iter include/linux/fs.h:2191 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x9e9/0xdd0 fs/read_write.c:584 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4820 at mm/huge_memory.c:2465 __split_huge_page_tail mm/huge_memory.c:2465 [inline] WARNING: CPU: 1 PID: 4820 at mm/huge_memory.c:2465 __split_huge_page mm/huge_memory.c:2527 [inline] WARNING: CPU: 1 PID: 4820 at mm/huge_memory.c:2465 split_huge_page_to_list+0x3586/0x4530 mm/huge_memory.c:2756 Modules linked in: CPU: 1 PID: 4820 Comm: syz-executor.0 Not tainted 6.1.0-rc2-syzkaller-00107-g200204f56f3b #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:__split_huge_page_tail mm/huge_memory.c:2465 [inline] RIP: 0010:__split_huge_page mm/huge_memory.c:2527 [inline] RIP: 0010:split_huge_page_to_list+0x3586/0x4530 mm/huge_memory.c:2756 Code: 80 a1 b0 ff 45 84 f6 0f 85 3c dc ff ff e8 e2 a4 b0 ff 48 8b 7c 24 08 48 c7 c6 c0 55 fa 89 e8 d1 a6 e6 ff c6 05 93 9e 00 0c 01 <0f> 0b e9 18 dc ff ff e8 be a4 b0 ff 4c 8b 7c 24 08 31 ff 4c 89 fd RSP: 0018:ffffc90005367060 EFLAGS: 00010046 RAX: 0000000000040000 RBX: ffffea00009d0000 RCX: ffffc90007569000 RDX: 0000000000040000 RSI: ffffffff81cb1f9f RDI: ffffffff8de16c50 RBP: ffffea00009d7f00 R08: 0000000000000000 R09: ffffffff8de16c57 R10: 0000000000000000 R11: 6972775f73667620 R12: ffffea00009d7f08 R13: ffffea00009d7f28 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f1dc5c13700(0000) GS:ffff88802c900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002004e000 CR3: 0000000054716000 CR4: 0000000000152ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: split_huge_page include/linux/huge_mm.h:188 [inline] deferred_split_scan+0x6d5/0xdd0 mm/huge_memory.c:2882 do_shrink_slab+0x464/0xce0 mm/vmscan.c:842 shrink_slab+0x175/0x660 mm/vmscan.c:1002 shrink_node_memcgs mm/vmscan.c:6076 [inline] shrink_node+0x93d/0x1f30 mm/vmscan.c:6105 shrink_zones mm/vmscan.c:6343 [inline] do_try_to_free_pages+0x3b4/0x17a0 mm/vmscan.c:6405 try_to_free_pages+0x2e1/0x960 mm/vmscan.c:6640 __perform_reclaim mm/page_alloc.c:4754 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:4776 [inline] __alloc_pages_slowpath.constprop.0+0x8b6/0x23d0 mm/page_alloc.c:5182 __alloc_pages+0x4a6/0x5a0 mm/page_alloc.c:5567 __folio_alloc+0x12/0x40 mm/page_alloc.c:5586 alloc_migration_target+0x2ff/0x8a0 mm/migrate.c:1635 unmap_and_move mm/migrate.c:1178 [inline] migrate_pages+0x94f/0x4680 mm/migrate.c:1461 do_move_pages_to_node mm/migrate.c:1662 [inline] move_pages_and_store_status.isra.0+0xf4/0x220 mm/migrate.c:1754 do_pages_move mm/migrate.c:1861 [inline] kernel_move_pages+0x926/0x16d0 mm/migrate.c:2047 __do_sys_move_pages mm/migrate.c:2061 [inline] __se_sys_move_pages mm/migrate.c:2056 [inline] __x64_sys_move_pages+0xdd/0x1b0 mm/migrate.c:2056 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1dc4e8b5a9 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1dc5c13168 EFLAGS: 00000246 ORIG_RAX: 0000000000000117 RAX: ffffffffffffffda RBX: 00007f1dc4fabf80 RCX: 00007f1dc4e8b5a9 RDX: 0000000020000200 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 00007f1dc4ee67b0 R08: 0000000020000140 R09: 0000000000000000 R10: 000000002026bfec R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd10fce45f R14: 00007f1dc5c13300 R15: 0000000000022000