================================ WARNING: inconsistent lock state 5.5.0-syzkaller #0 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. syz-executor.3/10476 [HC0[0]:SC1[1]:HE1:SE0] takes: ffffffff8a8c8538 (rxrpc_conn_id_lock){+.?.}, at: spin_lock include/linux/spinlock.h:338 [inline] ffffffff8a8c8538 (rxrpc_conn_id_lock){+.?.}, at: rxrpc_put_client_connection_id net/rxrpc/conn_client.c:138 [inline] ffffffff8a8c8538 (rxrpc_conn_id_lock){+.?.}, at: rxrpc_put_client_connection_id+0x73/0xe0 net/rxrpc/conn_client.c:135 {SOFTIRQ-ON-W} state was registered at: lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4484 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:338 [inline] rxrpc_get_client_connection_id net/rxrpc/conn_client.c:109 [inline] rxrpc_alloc_client_connection net/rxrpc/conn_client.c:193 [inline] rxrpc_get_client_conn net/rxrpc/conn_client.c:340 [inline] rxrpc_connect_call+0x954/0x4e30 net/rxrpc/conn_client.c:701 rxrpc_new_client_call+0x9c0/0x1ad0 net/rxrpc/call_object.c:290 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:595 [inline] rxrpc_do_sendmsg+0xffa/0x1d5f net/rxrpc/sendmsg.c:652 rxrpc_sendmsg+0x4d6/0x5f0 net/rxrpc/af_rxrpc.c:586 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:672 ____sys_sendmsg+0x358/0x880 net/socket.c:2343 ___sys_sendmsg+0x100/0x170 net/socket.c:2397 __sys_sendmmsg+0x1bf/0x4d0 net/socket.c:2487 __do_sys_sendmmsg net/socket.c:2516 [inline] __se_sys_sendmmsg net/socket.c:2513 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2513 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe irq event stamp: 1222 hardirqs last enabled at (1222): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (1222): [] _raw_spin_unlock_irqrestore+0x66/0xe0 kernel/locking/spinlock.c:191 hardirqs last disabled at (1221): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (1221): [] _raw_spin_lock_irqsave+0x6f/0xcd kernel/locking/spinlock.c:159 softirqs last enabled at (746): [] lock_sock_nested+0x9a/0x120 net/core/sock.c:2939 softirqs last disabled at (1175): [] invoke_softirq kernel/softirq.c:373 [inline] softirqs last disabled at (1175): [] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(rxrpc_conn_id_lock); lock(rxrpc_conn_id_lock); *** DEADLOCK *** 5 locks held by syz-executor.3/10476: #0: ffff888058b64d10 (sk_lock-AF_INET){+.+.}, at: lock_sock include/net/sock.h:1516 [inline] #0: ffff888058b64d10 (sk_lock-AF_INET){+.+.}, at: sock_setsockopt+0x163/0x22d0 net/core/sock.c:745 #1: ffffffff89c4f480 (vmap_purge_lock){+.+.}, at: _vm_unmap_aliases mm/vmalloc.c:1744 [inline] #1: ffffffff89c4f480 (vmap_purge_lock){+.+.}, at: _vm_unmap_aliases+0x386/0x480 mm/vmalloc.c:1711 #2: ffffffff89c4f618 (free_vmap_area_lock){+.+.}, at: spin_lock include/linux/spinlock.h:338 [inline] #2: ffffffff89c4f618 (free_vmap_area_lock){+.+.}, at: __cond_resched_lock+0xa8/0x100 kernel/sched/core.c:5653 #3: ffffffff89c53fb0 (init_mm.page_table_lock){+.+.}, at: spin_lock include/linux/spinlock.h:338 [inline] #3: ffffffff89c53fb0 (init_mm.page_table_lock){+.+.}, at: kasan_depopulate_vmalloc_pte+0x3f/0xd0 mm/kasan/common.c:870 #4: ffffffff89babac0 (rcu_callback){....}, at: rcu_do_batch kernel/rcu/tree.c:2176 [inline] #4: ffffffff89babac0 (rcu_callback){....}, at: rcu_core+0x562/0x1390 kernel/rcu/tree.c:2410 stack backtrace: CPU: 0 PID: 10476 Comm: syz-executor.3 Not tainted 5.5.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 print_usage_bug.cold+0x327/0x378 kernel/locking/lockdep.c:3100 valid_state kernel/locking/lockdep.c:3111 [inline] mark_lock_irq kernel/locking/lockdep.c:3308 [inline] mark_lock+0xbb4/0x1220 kernel/locking/lockdep.c:3665 mark_usage kernel/locking/lockdep.c:3565 [inline] __lock_acquire+0x1e8e/0x4a00 kernel/locking/lockdep.c:3908 lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4484 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:338 [inline] rxrpc_put_client_connection_id net/rxrpc/conn_client.c:138 [inline] rxrpc_put_client_connection_id+0x73/0xe0 net/rxrpc/conn_client.c:135 rxrpc_put_one_client_conn net/rxrpc/conn_client.c:955 [inline] rxrpc_put_client_conn+0x243/0xc90 net/rxrpc/conn_client.c:1001 rxrpc_put_connection net/rxrpc/ar-internal.h:965 [inline] rxrpc_rcu_destroy_call+0xbd/0x200 net/rxrpc/call_object.c:572 rcu_do_batch kernel/rcu/tree.c:2186 [inline] rcu_core+0x5e1/0x1390 kernel/rcu/tree.c:2410 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2419 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:752 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x90/0xe0 kernel/locking/spinlock.c:191 Code: 48 c7 c0 f8 a9 b3 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 39 48 83 3d ff 80 c7 01 00 74 24 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 81 7b 64 f9 65 8b 05 72 f5 15 78 RSP: 0018:ffffc900017c7410 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff136753f RBX: 0000000000000286 RCX: 0000000000000006 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: 0000000000000286 RBP: ffffc900017c7420 R08: 1ffffffff16a1d6c R09: fffffbfff16a1d6d R10: fffffbfff16a1d6c R11: ffffffff8b50eb67 R12: ffffffff8bad1908 R13: ffffffff8bad1908 R14: ffff88809563c000 R15: 0000000000000000 __debug_check_no_obj_freed lib/debugobjects.c:977 [inline] debug_check_no_obj_freed+0x20a/0x441 lib/debugobjects.c:998 free_pages_prepare mm/page_alloc.c:1168 [inline] free_pcp_prepare+0x208/0x4f0 mm/page_alloc.c:1198 free_unref_page_prepare mm/page_alloc.c:3011 [inline] free_unref_page+0x11/0x180 mm/page_alloc.c:3060 free_the_page mm/page_alloc.c:4791 [inline] __free_pages mm/page_alloc.c:4799 [inline] __free_pages+0x72/0xb0 mm/page_alloc.c:4796 free_pages+0x46/0x50 mm/page_alloc.c:4807 kasan_depopulate_vmalloc_pte+0x9e/0xd0 mm/kasan/common.c:874 apply_to_pte_range mm/memory.c:2084 [inline] apply_to_pmd_range mm/memory.c:2117 [inline] apply_to_pud_range mm/memory.c:2144 [inline] apply_to_p4d_range mm/memory.c:2171 [inline] __apply_to_page_range+0x6a1/0xab0 mm/memory.c:2197 apply_to_existing_page_range+0x38/0x50 mm/memory.c:2226 kasan_release_vmalloc+0xa9/0xc0 mm/kasan/common.c:986 __purge_vmap_area_lazy+0xca5/0x1ef0 mm/vmalloc.c:1329 _vm_unmap_aliases mm/vmalloc.c:1746 [inline] _vm_unmap_aliases+0x396/0x480 mm/vmalloc.c:1711 vm_unmap_aliases+0x19/0x20 mm/vmalloc.c:1769 change_page_attr_set_clr+0x22e/0x840 arch/x86/mm/pat/set_memory.c:1720 change_page_attr_clear arch/x86/mm/pat/set_memory.c:1777 [inline] set_memory_ro+0x7b/0xa0 arch/x86/mm/pat/set_memory.c:1910 bpf_jit_binary_lock_ro include/linux/filter.h:797 [inline] bpf_int_jit_compile+0xebd/0x12ce arch/x86/net/bpf_jit_comp.c:1807 bpf_prog_select_runtime+0x4b9/0x850 kernel/bpf/core.c:1799 bpf_migrate_filter net/core/filter.c:1275 [inline] bpf_prepare_filter net/core/filter.c:1323 [inline] bpf_prepare_filter+0x977/0xd60 net/core/filter.c:1289 __get_filter+0x212/0x2c0 net/core/filter.c:1492 sk_attach_filter+0x1e/0xa0 net/core/filter.c:1507 sock_setsockopt+0x1f66/0x22d0 net/core/sock.c:999 __sys_setsockopt+0x440/0x4c0 net/socket.c:2126 __do_sys_setsockopt net/socket.c:2146 [inline] __se_sys_setsockopt net/socket.c:2143 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:2143 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45b399 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:00007f4d89f43c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f4d89f446d4 RCX: 000000000045b399 RDX: 000000000000001a RSI: 0000000000000001 RDI: 0000000000000006 RBP: 000000000075bf20 R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000480 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000a21 R14: 00000000004cb834 R15: 000000000075bf2c