check_preemption_disabled: 3 callbacks suppressed
BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.2/8699
caller is sctp_set_owner_w+0xcf/0x4d0 net/sctp/socket.c:136
CPU: 0 PID: 8699 Comm: syz-executor.2 Not tainted 5.6.0-rc5-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+0x1e9/0x30e lib/dump_stack.c:118
 check_preemption_disabled+0x1c9/0x240 lib/smp_processor_id.c:47
 sctp_set_owner_w+0xcf/0x4d0 net/sctp/socket.c:136
 sctp_sendmsg_to_asoc+0x874/0x10f0 net/sctp/socket.c:1868
 sctp_sendmsg+0x170d/0x3440 net/sctp/socket.c:2030
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg net/socket.c:672 [inline]
 __sys_sendto+0x3f3/0x590 net/socket.c:1998
 __do_sys_sendto net/socket.c:2010 [inline]
 __se_sys_sendto net/socket.c:2006 [inline]
 __x64_sys_sendto+0xda/0xf0 net/socket.c:2006
 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c4a9
Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fab5fcc1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fab5fcc26d4 RCX: 000000000045c4a9
RDX: 0000000000000001 RSI: 0000000020fa3fff RDI: 0000000000000004
RBP: 000000000076bf20 R08: 00000000206f7000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000a03 R14: 00000000004cc7f0 R15: 000000000076bf2c
[0]skb 0xffff88809ab68780 0xffff88809f109040: truesize 768, sk alloc 769 sctp_set_owner_w 137