BUG: sleeping function called from invalid context at include/linux/sched/mm.h:230
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 29362, name: syz-executor.5
preempt_count: 201, expected: 0
RCU nest depth: 0, expected: 0
4 locks held by syz-executor.5/29362:
#0: ffffffff8d3a67f0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:802
#1: ffffffff8d3a68a8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline]
#1: ffffffff8d3a68a8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790
#2: ffffffff8d313968 (rtnl_mutex){+.+.}-{3:3}, at: tipc_nl_node_set_key+0x7b/0xf70 net/tipc/node.c:3032
#3: ffff88807e1fc068 (&tn->node_list_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:354 [inline]
#3: ffff88807e1fc068 (&tn->node_list_lock){+...}-{2:2}, at: tipc_node_create+0x179/0x1f60 net/tipc/node.c:480
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 29362 Comm: syz-executor.5 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
__might_resched.cold+0x222/0x26b kernel/sched/core.c:9538
might_alloc include/linux/sched/mm.h:230 [inline]
slab_pre_alloc_hook mm/slab.h:492 [inline]
slab_alloc_node mm/slub.c:3148 [inline]
slab_alloc mm/slub.c:3242 [inline]
kmem_cache_alloc_trace+0x25d/0x2c0 mm/slub.c:3259
kmalloc include/linux/slab.h:590 [inline]
kzalloc include/linux/slab.h:724 [inline]
tipc_crypto_start+0xc7/0xbe0 net/tipc/crypto.c:1466
tipc_node_create+0xb42/0x1f60 net/tipc/node.c:536
__tipc_nl_node_set_key net/tipc/node.c:2998 [inline]
tipc_nl_node_set_key+0xd6d/0xf70 net/tipc/node.c:3033
genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:731
genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:792
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
genl_rcv+0x24/0x40 net/netlink/genetlink.c:803
netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:724
____sys_sendmsg+0x6e8/0x810 net/socket.c:2409
___sys_sendmsg+0xf3/0x170 net/socket.c:2463
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2492
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+0x44/0xae
RIP: 0033:0x7f5c1abe6e99
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5c1955c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f5c1acf9f60 RCX: 00007f5c1abe6e99
RDX: 0000000000000010 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00007f5c1ac40ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff8451c6bf R14: 00007f5c1955c300 R15: 0000000000022000
</TASK>
=============================
[ BUG: Invalid wait context ]
5.16.0-rc5-syzkaller #0 Tainted: G W
-----------------------------
syz-executor.5/29362 is trying to lock:
ffffffff8bc8ad68 (pcpu_alloc_mutex){+.+.}-{3:3}, at: pcpu_alloc+0xb12/0x1350 mm/percpu.c:1774
other info that might help us debug this:
context-{4:4}
4 locks held by syz-executor.5/29362:
#0: ffffffff8d3a67f0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:802
#1: ffffffff8d3a68a8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline]
#1: ffffffff8d3a68a8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790
#2: ffffffff8d313968 (rtnl_mutex){+.+.}-{3:3}, at: tipc_nl_node_set_key+0x7b/0xf70 net/tipc/node.c:3032
#3: ffff88807e1fc068 (&tn->node_list_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:354 [inline]
#3: ffff88807e1fc068 (&tn->node_list_lock){+...}-{2:2}, at: tipc_node_create+0x179/0x1f60 net/tipc/node.c:480
stack backtrace:
CPU: 1 PID: 29362 Comm: syz-executor.5 Tainted: G W 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
print_lock_invalid_wait_context kernel/locking/lockdep.c:4678 [inline]
check_wait_context kernel/locking/lockdep.c:4739 [inline]
__lock_acquire.cold+0x213/0x3ab kernel/locking/lockdep.c:4977
lock_acquire kernel/locking/lockdep.c:5637 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5602
__mutex_lock_common kernel/locking/mutex.c:607 [inline]
__mutex_lock+0x12f/0x12f0 kernel/locking/mutex.c:740
pcpu_alloc+0xb12/0x1350 mm/percpu.c:1774
tipc_crypto_start+0xf5/0xbe0 net/tipc/crypto.c:1480
tipc_node_create+0xb42/0x1f60 net/tipc/node.c:536
__tipc_nl_node_set_key net/tipc/node.c:2998 [inline]
tipc_nl_node_set_key+0xd6d/0xf70 net/tipc/node.c:3033
genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:731
genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:792
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
genl_rcv+0x24/0x40 net/netlink/genetlink.c:803
netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:724
____sys_sendmsg+0x6e8/0x810 net/socket.c:2409
___sys_sendmsg+0xf3/0x170 net/socket.c:2463
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2492
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+0x44/0xae
RIP: 0033:0x7f5c1abe6e99
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5c1955c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f5c1acf9f60 RCX: 00007f5c1abe6e99
RDX: 0000000000000010 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00007f5c1ac40ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff8451c6bf R14: 00007f5c1955c300 R15: 0000000000022000
</TASK>