------------[ cut here ]------------ WARNING: CPU: 0 PID: 22102 at mm/page_alloc.c:5402 __alloc_pages+0x39e/0x510 mm/page_alloc.c:5402 Modules linked in: CPU: 0 PID: 22102 Comm: syz-executor.2 Not tainted 5.19.0-rc5-syzkaller-01173-gea2babac63d4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:__alloc_pages+0x39e/0x510 mm/page_alloc.c:5402 Code: ff ff 00 0f 84 33 fe ff ff 80 ce 01 e9 2b fe ff ff 83 fe 0a 0f 86 3e fd ff ff 80 3d 82 6c e9 0b 00 75 09 c6 05 79 6c e9 0b 01 <0f> 0b 45 31 f6 e9 8d fe ff ff 65 ff 05 51 57 45 7e 48 c7 c0 20 10 RSP: 0018:ffffc9000c10f9c0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff92001821f39 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000000000b RDI: 0000000000000000 RBP: 0000000000140cc0 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 000000000000000b R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000400002 FS: 00007fd60adeb700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200df000 CR3: 0000000049e74000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: alloc_pages+0x1aa/0x310 mm/mempolicy.c:2272 kmalloc_order+0x34/0xf0 mm/slab_common.c:945 kmalloc_order_trace+0x14/0x120 mm/slab_common.c:961 kmalloc include/linux/slab.h:605 [inline] nsim_map_alloc_elem+0x119/0x2e0 drivers/net/netdevsim/bpf.c:357 nsim_bpf_map_alloc drivers/net/netdevsim/bpf.c:512 [inline] nsim_bpf+0x8b3/0x1050 drivers/net/netdevsim/bpf.c:573 bpf_map_offload_ndo+0x132/0x1e0 kernel/bpf/offload.c:359 bpf_map_offload_map_alloc+0x243/0x450 kernel/bpf/offload.c:394 find_and_alloc_map kernel/bpf/syscall.c:131 [inline] map_create kernel/bpf/syscall.c:1102 [inline] __sys_bpf+0x8b8/0x5750 kernel/bpf/syscall.c:4936 __do_sys_bpf kernel/bpf/syscall.c:5058 [inline] __se_sys_bpf kernel/bpf/syscall.c:5056 [inline] __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:5056 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+0x46/0xb0 RIP: 0033:0x7fd609c89279 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:00007fd60adeb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fd609d9bf80 RCX: 00007fd609c89279 RDX: 0000000000000048 RSI: 0000000020000100 RDI: 0000000000000000 RBP: 00007fd609ce3189 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc2990ce3f R14: 00007fd60adeb300 R15: 0000000000022000