BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor713/8731
caller is dst_cache_get+0x3d/0xb0 net/core/dst_cache.c:68
CPU: 3 PID: 8731 Comm: syz-executor713 Not tainted 5.5.0-rc1-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 check_preemption_disabled lib/smp_processor_id.c:47 [inline]
 debug_smp_processor_id.cold+0x87/0x97 lib/smp_processor_id.c:57
 dst_cache_get+0x3d/0xb0 net/core/dst_cache.c:68
 tipc_udp_xmit.isra.0+0xc0/0xaa0 net/tipc/udp_media.c:164
 tipc_udp_send_msg+0x3ea/0x490 net/tipc/udp_media.c:244
 tipc_bearer_xmit_skb+0x219/0x480 net/tipc/bearer.c:525
 tipc_enable_bearer+0xb18/0xd90 net/tipc/bearer.c:330
 __tipc_nl_bearer_enable+0x2de/0x3a0 net/tipc/bearer.c:994
 tipc_nl_bearer_enable+0x23/0x40 net/tipc/bearer.c:1002
 genl_family_rcv_msg_doit net/netlink/genetlink.c:672 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:717 [inline]
 genl_rcv_msg+0x67d/0xea0 net/netlink/genetlink.c:734
 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
 genl_rcv+0x29/0x40 net/netlink/genetlink.c:745
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x58c/0x7d0 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:639 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:659
 ____sys_sendmsg+0x753/0x880 net/socket.c:2330
 ___sys_sendmsg+0x100/0x170 net/socket.c:2384
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2417
 __do_sys_sendmsg net/socket.c:2426 [inline]
 __se_sys_sendmsg net/socket.c:2424 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2424
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x437d89
Code: c4 18 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 0f 83 0b 9f fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffe19a780b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004002f8 RCX: 0000000000437d89
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00000000006b6018 R08: 0000000000000044 R09: 00000000004002f8
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000402040
R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000
BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor713/8731
caller is dst_cache_set_ip6+0xa5/0x7b0 net/core/dst_cache.c:113
CPU: 3 PID: 8731 Comm: syz-executor713 Not tainted 5.5.0-rc1-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 check_preemption_disabled lib/smp_processor_id.c:47 [inline]
 debug_smp_processor_id.cold+0x87/0x97 lib/smp_processor_id.c:57
 dst_cache_set_ip6+0xa5/0x7b0 net/core/dst_cache.c:113
 tipc_udp_xmit.isra.0+0x46a/0xaa0 net/tipc/udp_media.c:205
 tipc_udp_send_msg+0x3ea/0x490 net/tipc/udp_media.c:244
 tipc_bearer_xmit_skb+0x219/0x480 net/tipc/bearer.c:525
 tipc_enable_bearer+0xb18/0xd90 net/tipc/bearer.c:330
 __tipc_nl_bearer_enable+0x2de/0x3a0 net/tipc/bearer.c:994
 tipc_nl_bearer_enable+0x23/0x40 net/tipc/bearer.c:1002
 genl_family_rcv_msg_doit net/netlink/genetlink.c:672 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:717 [inline]
 genl_rcv_msg+0x67d/0xea0 net/netlink/genetlink.c:734
 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
 genl_rcv+0x29/0x40 net/netlink/genetlink.c:745
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x58c/0x7d0 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:639 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:659
 ____sys_sendmsg+0x753/0x880 net/socket.c:2330
 ___sys_sendmsg+0x100/0x170 net/socket.c:2384
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2417
 __do_sys_sendmsg net/socket.c:2426 [inline]
 __se_sys_sendmsg net/socket.c:2424 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2424
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x437d89
Code: c4 18 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 0f 83 0b 9f fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffe19a780b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004002f8 RCX: 0000000000437d89
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00000000006b6018 R08: 0000000000000044 R09: 00000000004002f8
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000402040
R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000
BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor713/8731
caller is dst_cache_set_ip6+0x2ee/0x7b0 net/core/dst_cache.c:114
CPU: 0 PID: 8731 Comm: syz-executor713 Not tainted 5.5.0-rc1-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 check_preemption_disabled lib/smp_processor_id.c:47 [inline]
 debug_smp_processor_id.cold+0x87/0x97 lib/smp_processor_id.c:57
 dst_cache_set_ip6+0x2ee/0x7b0 net/core/dst_cache.c:114
 tipc_udp_xmit.isra.0+0x46a/0xaa0 net/tipc/udp_media.c:205
 tipc_udp_send_msg+0x3ea/0x490 net/tipc/udp_media.c:244
 tipc_bearer_xmit_skb+0x219/0x480 net/tipc/bearer.c:525
 tipc_enable_bearer+0xb18/0xd90 net/tipc/bearer.c:330
 __tipc_nl_bearer_enable+0x2de/0x3a0 net/tipc/bearer.c:994
 tipc_nl_bearer_enable+0x23/0x40 net/tipc/bearer.c:1002
 genl_family_rcv_msg_doit net/netlink/genetlink.c:672 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:717 [inline]
 genl_rcv_msg+0x67d/0xea0 net/netlink/genetlink.c:734
 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
 genl_rcv+0x29/0x40 net/netlink/genetlink.c:745
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x58c/0x7d0 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x91c/0xea0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:639 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:659
 ____sys_sendmsg+0x753/0x880 net/socket.c:2330
 ___sys_sendmsg+0x100/0x170 net/socket.c:2384
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2417
 __do_sys_sendmsg net/socket.c:2426 [inline]
 __se_sys_sendmsg net/socket.c:2424 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2424
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x437d89
Code: c4 18 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 0f 83 0b 9f fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffe19a780b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004002f8 RCX: 0000000000437d89
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00000000006b6018 R08: 0000000000000044 R09: 00000000004002f8
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000402040
R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000
tipc: Enabled bearer <udp:syz0@>, priority 10