================================ WARNING: inconsistent lock state 4.19.105-syzkaller #0 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. syz-executor.2/8297 [HC0[0]:SC1[1]:HE1:SE0] takes: 000000002c1efa63 (rxrpc_conn_id_lock){+.?.}, at: spin_lock include/linux/spinlock.h:329 [inline] 000000002c1efa63 (rxrpc_conn_id_lock){+.?.}, at: rxrpc_put_client_connection_id.part.0+0x19/0x70 net/rxrpc/conn_client.c:143 {SOFTIRQ-ON-W} state was registered at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] rxrpc_get_client_connection_id net/rxrpc/conn_client.c:114 [inline] rxrpc_alloc_client_connection net/rxrpc/conn_client.c:198 [inline] rxrpc_get_client_conn net/rxrpc/conn_client.c:345 [inline] rxrpc_connect_call+0x948/0x4920 net/rxrpc/conn_client.c:702 rxrpc_new_client_call+0x8e7/0x1880 net/rxrpc/call_object.c:291 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:596 [inline] rxrpc_do_sendmsg+0xfc3/0x1ca3 net/rxrpc/sendmsg.c:652 rxrpc_sendmsg+0x4a0/0x5b0 net/rxrpc/af_rxrpc.c:593 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 ___sys_sendmsg+0x3e2/0x920 net/socket.c:2115 __sys_sendmmsg+0x1bf/0x4e0 net/socket.c:2210 __do_sys_sendmmsg net/socket.c:2239 [inline] __se_sys_sendmmsg net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2236 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe irq event stamp: 1307212 hardirqs last enabled at (1307212): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (1307212): [] _raw_spin_unlock_irqrestore+0x6b/0xe0 kernel/locking/spinlock.c:184 hardirqs last disabled at (1307211): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (1307211): [] _raw_spin_lock_irqsave+0x6f/0xcd kernel/locking/spinlock.c:152 softirqs last enabled at (1307122): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (1307122): [] release_sock+0x156/0x1c0 net/core/sock.c:2866 softirqs last disabled at (1307189): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1307189): [] irq_exit+0x180/0x1d0 kernel/softirq.c:412 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(rxrpc_conn_id_lock); lock(rxrpc_conn_id_lock); *** DEADLOCK *** 1 lock held by syz-executor.2/8297: ieee80211 phy364: Selected rate control algorithm 'minstrel_ht' #0: 00000000dd3b73bb (rcu_callback){....}, at: __rcu_reclaim kernel/rcu/rcu.h:226 [inline] #0: 00000000dd3b73bb (rcu_callback){....}, at: rcu_do_batch kernel/rcu/tree.c:2584 [inline] #0: 00000000dd3b73bb (rcu_callback){....}, at: invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] #0: 00000000dd3b73bb (rcu_callback){....}, at: __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] #0: 00000000dd3b73bb (rcu_callback){....}, at: rcu_process_callbacks+0xc79/0x1a30 kernel/rcu/tree.c:2881 stack backtrace: CPU: 0 PID: 8297 Comm: syz-executor.2 Not tainted 4.19.105-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+0x197/0x210 lib/dump_stack.c:118 print_usage_bug.cold+0x330/0x42a kernel/locking/lockdep.c:2540 valid_state kernel/locking/lockdep.c:2553 [inline] mark_lock_irq kernel/locking/lockdep.c:2747 [inline] mark_lock+0xd1b/0x1370 kernel/locking/lockdep.c:3127 mark_irqflags kernel/locking/lockdep.c:3005 [inline] __lock_acquire+0xc62/0x49c0 kernel/locking/lockdep.c:3368 ieee80211 phy365: Selected rate control algorithm 'minstrel_ht' lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] rxrpc_put_client_connection_id.part.0+0x19/0x70 net/rxrpc/conn_client.c:143 rxrpc_put_client_connection_id include/linux/spinlock.h:370 [inline] rxrpc_put_one_client_conn net/rxrpc/conn_client.c:956 [inline] rxrpc_put_client_conn+0x6c6/0xc20 net/rxrpc/conn_client.c:1002 rxrpc_put_connection net/rxrpc/ar-internal.h:951 [inline] rxrpc_rcu_destroy_call+0xbd/0x200 net/rxrpc/call_object.c:657 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_release+0x47a/0xa30 kernel/locking/lockdep.c:3925 Code: 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 a7 03 00 00 48 83 3d 2d 4b a0 07 00 0f 84 65 02 00 00 48 8b bd 68 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 c7 04 03 00 00 00 RSP: 0018:ffff888085017bc8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff11e4ad1 RBX: 1ffff11010a02f7f RCX: 1ffff11010be7196 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000286 RBP: ffff888085017c80 R08: ffff888085f38440 R09: 0000000000000000 R10: ffffed1015d04732 R11: ffff8880ae823993 R12: ffff888085f38440 R13: ffffffff81a72fa6 R14: 0000000000000003 R15: ffff888085017c58 rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock+0x33/0x60 include/linux/rcupdate.h:681 cache_from_memcg_idx mm/slab.h:264 [inline] memcg_kmem_get_cache+0x273/0x790 mm/memcontrol.c:2595 slab_pre_alloc_hook mm/slab.h:429 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x18f/0x700 mm/slab.c:3557 sock_alloc_inode+0x1d/0x260 net/socket.c:244 alloc_inode+0x64/0x190 fs/inode.c:210 new_inode_pseudo+0x19/0xf0 fs/inode.c:910 sock_alloc+0x41/0x270 net/socket.c:547 __sock_create+0xc2/0x730 net/socket.c:1240 ieee80211 phy366: Selected rate control algorithm 'minstrel_ht' sock_create net/socket.c:1316 [inline] __sys_socket+0x103/0x220 net/socket.c:1346 __do_sys_socket net/socket.c:1355 [inline] __se_sys_socket net/socket.c:1353 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1353 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45ef77 Code: 00 00 00 49 89 ca b8 36 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 4a 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 2d 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fffa9ee31a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 000000000071bb00 RCX: 000000000045ef77 RDX: 0000000000000006 RSI: 0000000000000001 RDI: 000000000000000a RBP: 0000000000002ef4 R08: 0000000000006000 R09: 0000000000004000 R10: 00007fffa9ee32d0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffa9ee3970 R14: 0000000000000029 R15: 00007fffa9ee3980 9pnet: Insufficient options for proto=fd ieee80211 phy367: Selected rate control algorithm 'minstrel_ht' ieee80211 phy368: Selected rate control algorithm 'minstrel_ht' ieee80211 phy369: Selected rate control algorithm 'minstrel_ht' ieee80211 phy370: Selected rate control algorithm 'minstrel_ht' ieee80211 phy371: Selected rate control algorithm 'minstrel_ht' ieee80211 phy372: Selected rate control algorithm 'minstrel_ht' ieee80211 phy373: Selected rate control algorithm 'minstrel_ht' ieee80211 phy374: Selected rate control algorithm 'minstrel_ht' ieee80211 phy375: Selected rate control algorithm 'minstrel_ht' ieee80211 phy376: Selected rate control algorithm 'minstrel_ht' ieee80211 phy377: Selected rate control algorithm 'minstrel_ht' ieee80211 phy378: Selected rate control algorithm 'minstrel_ht' ieee80211 phy379: Selected rate control algorithm 'minstrel_ht' ieee80211 phy380: Selected rate control algorithm 'minstrel_ht' ieee80211 phy381: Selected rate control algorithm 'minstrel_ht' ieee80211 phy382: Selected rate control algorithm 'minstrel_ht' ieee80211 phy383: Selected rate control algorithm 'minstrel_ht' ieee80211 phy384: Selected rate control algorithm 'minstrel_ht' ieee80211 phy385: Selected rate control algorithm 'minstrel_ht' ieee80211 phy386: Selected rate control algorithm 'minstrel_ht' ieee80211 phy387: Selected rate control algorithm 'minstrel_ht' ieee80211 phy388: Selected rate control algorithm 'minstrel_ht' ieee80211 phy389: Selected rate control algorithm 'minstrel_ht' NOHZ: local_softirq_pending 08 ieee80211 phy390: Selected rate control algorithm 'minstrel_ht' ieee80211 phy391: Selected rate control algorithm 'minstrel_ht' ieee80211 phy392: Selected rate control algorithm 'minstrel_ht' ieee80211 phy393: Selected rate control algorithm 'minstrel_ht' ieee80211 phy394: Selected rate control algorithm 'minstrel_ht' ieee80211 phy395: Selected rate control algorithm 'minstrel_ht' NOHZ: local_softirq_pending 08 ieee80211 phy396: Selected rate control algorithm 'minstrel_ht' ieee80211 phy397: Selected rate control algorithm 'minstrel_ht' ieee80211 phy398: Selected rate control algorithm 'minstrel_ht' ieee80211 phy399: Selected rate control algorithm 'minstrel_ht' ieee80211 phy400: Selected rate control algorithm 'minstrel_ht' ieee80211 phy401: Selected rate control algorithm 'minstrel_ht' ieee80211 phy402: Selected rate control algorithm 'minstrel_ht' ieee80211 phy403: Selected rate control algorithm 'minstrel_ht' ieee80211 phy404: Selected rate control algorithm 'minstrel_ht' ieee80211 phy405: Selected rate control algorithm 'minstrel_ht' ieee80211 phy406: Selected rate control algorithm 'minstrel_ht' ieee80211 phy407: Selected rate control algorithm 'minstrel_ht' ieee80211 phy408: Selected rate control algorithm 'minstrel_ht' ieee80211 phy409: Selected rate control algorithm 'minstrel_ht' ieee80211 phy410: Selected rate control algorithm 'minstrel_ht' ieee80211 phy411: Selected rate control algorithm 'minstrel_ht' ieee80211 phy412: Selected rate control algorithm 'minstrel_ht' ieee80211 phy413: Selected rate control algorithm 'minstrel_ht' ieee80211 phy414: Selected rate control algorithm 'minstrel_ht' ieee80211 phy415: Selected rate control algorithm 'minstrel_ht' ieee80211 phy416: Selected rate control algorithm 'minstrel_ht' ieee80211 phy417: Selected rate control algorithm 'minstrel_ht'