BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor210/7033 caller is tipc_aead_tfm_next net/tipc/crypto.c:402 [inline] caller is tipc_aead_encrypt net/tipc/crypto.c:639 [inline] caller is tipc_crypto_xmit+0x691/0x1cd0 net/tipc/crypto.c:1607 CPU: 0 PID: 7033 Comm: syz-executor210 Not tainted 5.9.0-rc2-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+0x1f0/0x31e lib/dump_stack.c:118 check_preemption_disabled+0x13c/0x140 lib/smp_processor_id.c:48 tipc_aead_tfm_next net/tipc/crypto.c:402 [inline] tipc_aead_encrypt net/tipc/crypto.c:639 [inline] tipc_crypto_xmit+0x691/0x1cd0 net/tipc/crypto.c:1607 tipc_bearer_xmit_skb+0x250/0x460 net/tipc/bearer.c:523 tipc_enable_bearer net/tipc/bearer.c:331 [inline] __tipc_nl_bearer_enable+0xae8/0xe90 net/tipc/bearer.c:995 tipc_nl_bearer_enable+0x1e/0x30 net/tipc/bearer.c:1003 genl_family_rcv_msg_doit net/netlink/genetlink.c:669 [inline] genl_family_rcv_msg net/netlink/genetlink.c:714 [inline] genl_rcv_msg+0xaf5/0xd70 net/netlink/genetlink.c:731 netlink_rcv_skb+0x190/0x3a0 net/netlink/af_netlink.c:2470 genl_rcv+0x24/0x40 net/netlink/genetlink.c:742 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x786/0x940 net/netlink/af_netlink.c:1330 netlink_sendmsg+0xa57/0xd70 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg net/socket.c:671 [inline] ____sys_sendmsg+0x519/0x800 net/socket.c:2353 ___sys_sendmsg net/socket.c:2407 [inline] __sys_sendmsg+0x2b1/0x360 net/socket.c:2440 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x44f899 Code: e8 1c e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 2b ca fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f4b3d080ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000006e1c68 RCX: 000000000044f899 RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000006 RBP: 00000000006e1c60 R08: 0000000000000012 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00000000006e1c6c R13: 00007ffe24cd0fef R14: 00007f4b3d0819c0 R15: 20c49ba5e353f7cf tipc: Enabled bearer , priority 10