rxrpc: Assertion failed ------------[ cut here ]------------ kernel BUG at net/rxrpc/local_object.c:468! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 9257 Comm: syz-executor.0 Not tainted 5.2.0-rc5+ #65 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rxrpc_local_rcu net/rxrpc/local_object.c:468 [inline] RIP: 0010:rxrpc_local_rcu.cold+0x11/0x13 net/rxrpc/local_object.c:462 Code: 83 eb 20 e9 74 ff ff ff e8 18 a3 2d fb eb cc 4c 89 ef e8 2e a3 2d fb eb e2 e8 97 f6 f4 fa 48 c7 c7 60 8c 15 88 e8 2f fc de fa <0f> 0b e8 84 f6 f4 fa 48 c7 c7 60 8c 15 88 e8 1c fc de fa 0f 0b e8 RSP: 0018:ffff8880ae909de8 EFLAGS: 00010282 RAX: 0000000000000017 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815ad926 RDI: ffffed1015d213af RBP: ffff8880ae909df8 R08: 0000000000000017 R09: ffffed1015d260a1 R10: ffffed1015d260a0 R11: ffff8880ae930507 R12: ffff88809537bb40 R13: ffff88809537bb40 R14: ffffffff867b9650 R15: ffff8880ae909e78 FS: 00007fa723911700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000075c091 CR3: 000000008763f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __rcu_reclaim kernel/rcu/rcu.h:222 [inline] rcu_do_batch kernel/rcu/tree.c:2092 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2310 [inline] rcu_core+0xba5/0x1500 kernel/rcu/tree.c:2291 __do_softirq+0x25c/0x94c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1068 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:806 RIP: 0010:update_stack_state+0x58/0x5f0 arch/x86/kernel/unwind_frame.c:209 Code: 00 00 48 c7 45 80 af 49 60 88 48 c7 85 78 ff ff ff b3 8a b5 41 48 c7 45 88 60 9f 30 81 48 89 b5 68 ff ff ff c7 01 f1 f1 f1 f1 41 04 00 f3 f3 f3 48 89 f9 65 48 8b 1c 25 28 00 00 00 48 89 5d RSP: 0018:ffff88808a7e7770 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff88808a7e7920 RCX: ffffed10114fcef6 RDX: 1ffff110114fcfc8 RSI: ffff88808a7e7ee8 RDI: ffff88808a7e7920 RBP: ffff88808a7e7838 R08: ffff888096bf46c0 R09: ffff88808a7e7978 R10: ffff88808a7e7948 R11: ffff88808a7e7958 R12: 1ffff110114fcf0e R13: ffff88808a7e7920 R14: 1ffff110114fcef6 R15: ffff88808a7e7ee8 unwind_next_frame.part.0+0x1a9/0xa20 arch/x86/kernel/unwind_frame.c:334 unwind_next_frame+0x3b/0x50 arch/x86/kernel/unwind_frame.c:288 arch_stack_walk+0x81/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xac/0xe0 kernel/stacktrace.c:123 save_stack+0x23/0x90 mm/kasan/common.c:71 set_track mm/kasan/common.c:79 [inline] __kasan_kmalloc mm/kasan/common.c:489 [inline] __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:462 kasan_kmalloc+0x9/0x10 mm/kasan/common.c:503 kmem_cache_alloc_trace+0x151/0x750 mm/slab.c:3555 kmalloc include/linux/slab.h:547 [inline] sock_alloc_inode+0x63/0x260 net/socket.c:249 alloc_inode+0x68/0x1e0 fs/inode.c:227 new_inode_pseudo+0x19/0xf0 fs/inode.c:916 sock_alloc+0x41/0x270 net/socket.c:569 __sock_create+0xc2/0x730 net/socket.c:1388 sock_create net/socket.c:1475 [inline] __sys_socket+0x103/0x220 net/socket.c:1517 __do_sys_socket net/socket.c:1526 [inline] __se_sys_socket net/socket.c:1524 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1524 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459519 Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fa723910c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459519 RDX: 000000000000000a RSI: 0000000000000002 RDI: 0000000000000021 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa7239116d4 R13: 00000000004c816f R14: 00000000004dea80 R15: 00000000ffffffff Modules linked in: ---[ end trace cf1ecc086c5c9d8a ]--- RIP: 0010:rxrpc_local_rcu net/rxrpc/local_object.c:468 [inline] RIP: 0010:rxrpc_local_rcu.cold+0x11/0x13 net/rxrpc/local_object.c:462 Code: 83 eb 20 e9 74 ff ff ff e8 18 a3 2d fb eb cc 4c 89 ef e8 2e a3 2d fb eb e2 e8 97 f6 f4 fa 48 c7 c7 60 8c 15 88 e8 2f fc de fa <0f> 0b e8 84 f6 f4 fa 48 c7 c7 60 8c 15 88 e8 1c fc de fa 0f 0b e8 RSP: 0018:ffff8880ae909de8 EFLAGS: 00010282 RAX: 0000000000000017 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815ad926 RDI: ffffed1015d213af RBP: ffff8880ae909df8 R08: 0000000000000017 R09: ffffed1015d260a1 R10: ffffed1015d260a0 R11: ffff8880ae930507 R12: ffff88809537bb40 R13: ffff88809537bb40 R14: ffffffff867b9650 R15: ffff8880ae909e78 FS: 00007fa723911700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000075c091 CR3: 000000008763f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400