RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 00000000000009be R14: 00000000004cc92a R15: 00007f1279fdf6d4 BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.2/8457 caller is radix_tree_node_alloc.constprop.18+0x18b/0x300 lib/radix-tree.c:264 CPU: 1 PID: 8457 Comm: syz-executor.2 Not tainted 5.7.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x128/0x182 lib/dump_stack.c:118 check_preemption_disabled lib/smp_processor_id.c:47 [inline] debug_smp_processor_id.cold.1+0x83/0x9d lib/smp_processor_id.c:57 radix_tree_node_alloc.constprop.18+0x18b/0x300 lib/radix-tree.c:264 radix_tree_extend+0x168/0x3c0 lib/radix-tree.c:426 idr_get_free+0x56b/0x890 lib/radix-tree.c:1494 idr_alloc_u32+0x122/0x2a0 lib/idr.c:46 idr_alloc+0x76/0xc0 lib/idr.c:87 qrtr_port_assign net/qrtr/qrtr.c:703 [inline] __qrtr_bind.isra.7+0xdd/0x410 net/qrtr/qrtr.c:756 qrtr_sendmsg+0x17d/0x600 net/qrtr/qrtr.c:895 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xac/0xe0 net/socket.c:672 ____sys_sendmsg+0x554/0x760 net/socket.c:2362 ___sys_sendmsg+0xe4/0x160 net/socket.c:2416 __sys_sendmsg+0xce/0x170 net/socket.c:2449 do_syscall_64+0xc6/0x620 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45ca69 Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f1279fdec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000004ffe00 RCX: 000000000045ca69 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 00000000000009be R14: 00000000004cc92a R15: 00007f1279fdf6d4