tipc: Started in network mode tipc: Node identity 00000000000000000000000000000001, cluster identity 4711 tipc: New replicast peer: 0000:0000:0000:0000:0000:0000:0000:0000 tipc: Enabled bearer , priority 10 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:230 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4051, name: syz-executor270 preempt_count: 201, expected: 0 RCU nest depth: 0, expected: 0 4 locks held by syz-executor270/4051: #0: ffffffff8c2d7ad0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x10/0x30 net/netlink/genetlink.c:802 #1: ffffffff8c2d7b88 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8c2d7b88 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x315/0x4a0 net/netlink/genetlink.c:790 #2: ffffffff8c24d148 (rtnl_mutex){+.+.}-{3:3}, at: tipc_nl_node_set_key+0x76/0xc80 net/tipc/node.c:3032 #3: ffff88802195c068 (&tn->node_list_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:354 [inline] #3: ffff88802195c068 (&tn->node_list_lock){+...}-{2:2}, at: tipc_node_create+0x120/0x1e00 net/tipc/node.c:480 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 4051 Comm: syz-executor270 Not tainted 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9539 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+0xbd/0xa90 net/tipc/crypto.c:1473 tipc_node_create+0x8f1/0x1e00 net/tipc/node.c:536 __tipc_nl_node_set_key net/tipc/node.c:2998 [inline] tipc_nl_node_set_key+0xa42/0xc80 net/tipc/node.c:3033 genl_family_rcv_msg_doit+0x1e4/0x2f0 net/netlink/genetlink.c:731 genl_family_rcv_msg net/netlink/genetlink.c:775 [inline] genl_rcv_msg+0x27a/0x4a0 net/netlink/genetlink.c:792 netlink_rcv_skb+0x118/0x370 net/netlink/af_netlink.c:2491 genl_rcv+0x1f/0x30 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x42e/0x700 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x706/0xbf0 net/netlink/af_netlink.c:1916 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg+0xab/0xe0 net/socket.c:724 ____sys_sendmsg+0x5bf/0x7a0 net/socket.c:2409 ___sys_sendmsg+0xd3/0x150 net/socket.c:2463 __sys_sendmsg+0xb2/0x140 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: 0033:0x7f9e44962d89 Code: 28 c3 e8 5a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffce8f8e328 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9e44962d89 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f9e44926750 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 00007f9e449267e0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ============================= [ BUG: Invalid wait context ] 5.15.0-syzkaller #0 Tainted: G W ----------------------------- syz-executor270/4051 is trying to lock: ffffffff8ac78728 (pcpu_alloc_mutex){+.+.}-{3:3}, at: pcpu_alloc+0x7f7/0xe30 mm/percpu.c:1774 other info that might help us debug this: context-{4:4} 4 locks held by syz-executor270/4051: #0: ffffffff8c2d7ad0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x10/0x30 net/netlink/genetlink.c:802 #1: ffffffff8c2d7b88 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8c2d7b88 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x315/0x4a0 net/netlink/genetlink.c:790 #2: ffffffff8c24d148 (rtnl_mutex){+.+.}-{3:3}, at: tipc_nl_node_set_key+0x76/0xc80 net/tipc/node.c:3032 #3: ffff88802195c068 (&tn->node_list_lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:354 [inline] #3: ffff88802195c068 (&tn->node_list_lock){+...}-{2:2}, at: tipc_node_create+0x120/0x1e00 net/tipc/node.c:480 stack backtrace: CPU: 0 PID: 4051 Comm: syz-executor270 Tainted: G W 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x57/0x7d 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+0xdb/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+0x7f7/0xe30 mm/percpu.c:1774 tipc_crypto_start+0xe1/0xa90 net/tipc/crypto.c:1487 tipc_node_create+0x8f1/0x1e00 net/tipc/node.c:536 __tipc_nl_node_set_key net/tipc/node.c:2998 [inline] tipc_nl_node_set_key+0xa42/0xc80 net/tipc/node.c:3033 genl_family_rcv_msg_doit+0x1e4/0x2f0 net/netlink/genetlink.c:731 genl_family_rcv_msg net/netlink/genetlink.c:775 [inline] genl_rcv_msg+0x27a/0x4a0 net/netlink/genetlink.c:792 netlink_rcv_skb+0x118/0x370 net/netlink/af_netlink.c:2491 genl_rcv+0x1f/0x30 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x42e/0x700 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x706/0xbf0 net/netlink/af_netlink.c:1916 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg+0xab/0xe0 net/socket.c:724 ____sys_sendmsg+0x5bf/0x7a0 net/socket.c:2409 ___sys_sendmsg+0xd3/0x150 net/socket.c:2463 __sys_sendmsg+0xb2/0x140 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: 0033:0x7f9e44962d89 Code: 28 c3 e8 5a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffce8f8e328 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9e44962d89 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f9e44926750 R08: 0000000000000002 R09: 0000000000000000 R10: 00000000000