Kernel 5.15.54 on an x86_64 localhost login: [ 104.557712] ------------[ cut here ]------------ [ 104.558404] WARNING: CPU: 1 PID: 15544 at mm/page_alloc.c:5358 __alloc_pages+0x38a/0x410 [ 104.559584] Modules linked in: [ 104.560030] CPU: 1 PID: 15544 Comm: repro Not tainted 5.15.54 #1 [ 104.560896] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2.el7 04/01/2014 [ 104.562190] RIP: 0010:__alloc_pages+0x38a/0x410 [ 104.562864] Code: ff 4c 89 fa 44 89 f6 89 ef 89 6c 24 48 c6 44 24 78 00 4c 89 6c 24 60 e8 c4 e5 ff ff 49 89 c4 e9 43 fe ff ff 40 80 e5 3f eb c5 <0f> 0b eb a5 4c 89 e7 44 89 f6 45 31 e4 e8 c4 9f ff ff e9 4a fe ff [ 104.565421] RSP: 0018:ffff88801b4577f0 EFLAGS: 00010246 [ 104.566182] RAX: 0000000000000000 RBX: 1ffff1100368aeff RCX: dffffc0000000000 [ 104.567177] RDX: 0000000000000000 RSI: 0000000000000012 RDI: 0000000000040cc0 [ 104.568185] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 104.569196] R10: fffffff900000000 R11: 0000000000000001 R12: 0000000000000001 [ 104.570194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 104.571201] FS: 00007fda701c7740(0000) GS:ffff888107080000(0000) knlGS:0000000000000000 [ 104.572330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.573146] CR2: 0000000020004640 CR3: 0000000020c34000 CR4: 00000000000006e0 [ 104.574149] Call Trace: [ 104.574503] [ 104.574838] ? __sanitizer_cov_trace_cmp4+0x25/0x90 [ 104.575535] ? __alloc_pages_slowpath.constprop.0+0x16c0/0x16c0 [ 104.576391] ? bpf_ksym_find+0x171/0x1c0 [ 104.576985] ? selinux_socket_sendmsg+0x207/0x2d0 [ 104.577938] ? __sanitizer_cov_trace_const_cmp8+0x27/0x90 [ 104.578739] alloc_pages+0x191/0x3f0 [ 104.579258] kmalloc_order+0x34/0xb0 [ 104.579794] kmalloc_order_trace+0x19/0xa0 [ 104.580375] sco_sock_sendmsg+0x10f/0x300 [ 104.581228] ? security_socket_sendmsg+0x8e/0xc0 [ 104.581915] ? sco_send_frame+0x3d0/0x3d0 [ 104.582489] sock_sendmsg+0x15b/0x190 [ 104.583052] ____sys_sendmsg+0x32d/0x870 [ 104.583659] ? kernel_sendmsg+0x50/0x50 [ 104.584233] ? __ia32_sys_recvmmsg+0x2a0/0x2a0 [ 104.584895] ? release_pages+0x5e0/0x1320 [ 104.585474] ___sys_sendmsg+0x104/0x180 [ 104.586056] ? __pagevec_lru_add_fn+0x669/0xa00 [ 104.586724] ? sendmsg_copy_msghdr+0x170/0x170 [ 104.587355] ? cgroup_rstat_updated+0x2d/0x2e0 [ 104.588034] ? __sanitizer_cov_trace_const_cmp8+0x27/0x90 [ 104.588827] ? __do_huge_pmd_anonymous_page+0x162/0xec0 [ 104.589601] ? __sanitizer_cov_trace_const_cmp4+0x25/0x90 [ 104.590362] ? __sanitizer_cov_trace_const_cmp8+0x27/0x90 [ 104.591153] ? sockfd_lookup_light+0xcc/0x180 [ 104.591806] __sys_sendmmsg+0x197/0x450 [ 104.592362] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 104.592985] ? vm_iomap_memory+0x1f0/0x1f0 [ 104.593610] ? alloc_fd+0x226/0x5d0 [ 104.594125] ? cgroup_rstat_updated+0x2d/0x2e0 [ 104.594789] ? __sanitizer_cov_trace_const_cmp4+0x25/0x90 [ 104.595571] ? __sanitizer_cov_trace_cmp4+0x25/0x90 [ 104.596280] ? __audit_syscall_entry+0x3fb/0x540 [ 104.596960] __x64_sys_sendmmsg+0xa1/0x110 [ 104.597569] do_syscall_64+0x3b/0x90 [ 104.598102] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 104.598852] RIP: 0033:0x7fda6fabe289 [ 104.599367] Code: 01 00 48 81 c4 80 00 00 00 e9 f1 fe ff ff 0f 1f 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 8b 0d b7 db 2c 00 f7 d8 64 89 01 48 [ 104.601917] RSP: 002b:00007ffd1d267ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 104.603000] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fda6fabe289 [ 104.604008] RDX: 0000000000000001 RSI: 0000000020004640 RDI: 0000000000000003 [ 104.605003] RBP: 00007ffd1d268020 R08: 29814bfc69644598 R09: 0000000000000000 [ 104.606007] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004004c0 [ 104.607019] R13: 00007ffd1d268100 R14: 0000000000000000 R15: 0000000000000000 [ 104.608030] [ 104.608350] ---[ end trace 9b3fdfb44b690636 ]---