kasan: GPF could be caused by NULL-ptr deref or user memory access RFLAGS=0x00000002 DR7 = 0x0000000000000400 device nr0 entered promiscuous mode Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 general protection fault: 0000 [#1] PREEMPT SMP KASAN DS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 CPU: 1 PID: 24861 Comm: syz-executor.3 Not tainted 4.19.60 #33 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rxrpc_connect_call+0xe0/0x48d0 net/rxrpc/conn_client.c:693 Code: 03 80 3c 18 00 0f 85 a9 40 00 00 48 8b 85 08 ff ff ff 48 8b 18 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 18 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 76 40 00 00 48 8b 5b 18 48 8d bb f0 01 00 00 48 SS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 RSP: 0018:ffff88805092f660 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000c4b2000 RDX: 0000000000000003 RSI: ffffffff8652c870 RDI: 0000000000000018 RBP: ffff88805092f7d0 R08: 00000000006000c0 R09: ffff88805e194ca0 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888095da1b40 R13: ffff88807fc486a0 R14: ffff88807fc48690 R15: ffff88805092f8f8 FS: 00007fd3fd86d700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 ES: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000075c000 CR3: 0000000081c8d000 CR4: 00000000001426e0 Call Trace: FS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 GS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 rxrpc_new_client_call+0x8e7/0x1880 net/rxrpc/call_object.c:291 GDTR: limit=0x00000000, base=0x0000000000000000 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:595 [inline] rxrpc_do_sendmsg+0xfbe/0x1c8f net/rxrpc/sendmsg.c:651 LDTR: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 IDTR: limit=0x00000000, base=0x0000000000000000 rxrpc_sendmsg+0x4b8/0x5f0 net/rxrpc/af_rxrpc.c:592 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 TR: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 ___sys_sendmsg+0x3e2/0x920 net/socket.c:2115 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 __sys_sendmmsg+0x1bf/0x4e0 net/socket.c:2210 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811c9a46 RSP = 0xffff88805826f8c0 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 __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 FSBase=00007fdcf34df700 GSBase=ffff8880ae900000 TRBase=fffffe0000003000 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 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:00007fd3fd86cc78 EFLAGS: 00000246 GDTBase=fffffe0000001000 IDTBase=fffffe0000000000 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459829 RDX: 0000000000000001 RSI: 0000000020005c00 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd3fd86d6d4 CR0=0000000080050033 CR3=000000008d464000 CR4=00000000001426e0 R13: 00000000004c6e90 R14: 00000000004dc250 R15: 00000000ffffffff Modules linked in: ---[ end trace 5c4c1c6430f495db ]--- kobject: 'kvm' (0000000057df0ebb): kobject_uevent_env RIP: 0010:rxrpc_connect_call+0xe0/0x48d0 net/rxrpc/conn_client.c:693 kobject: 'loop1' (000000004eea7570): kobject_uevent_env Code: 03 80 3c 18 00 0f 85 a9 40 00 00 48 8b 85 08 ff ff ff 48 8b 18 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 18 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 76 40 00 00 48 8b 5b 18 48 8d bb f0 01 00 00 48 kobject: 'loop1' (000000004eea7570): fill_kobj_path: path = '/devices/virtual/block/loop1' RSP: 0018:ffff88805092f660 EFLAGS: 00010206 kobject: 'kvm' (0000000057df0ebb): fill_kobj_path: path = '/devices/virtual/misc/kvm' Sysenter RSP=fffffe0000002200 CS:RIP=0010:ffffffff87001400 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000c4b2000 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 kobject: 'kvm' (0000000057df0ebb): kobject_uevent_env kobject: 'loop1' (000000004eea7570): kobject_uevent_env kobject: 'kvm' (0000000057df0ebb): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (000000004eea7570): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000057df0ebb): kobject_uevent_env kobject: 'loop0' (0000000071caea80): kobject_uevent_env *** Control State *** kobject: 'loop0' (0000000071caea80): fill_kobj_path: path = '/devices/virtual/block/loop0' PinBased=0000003f CPUBased=b5a06dfa SecondaryExec=000000e2 kobject: 'loop1' (000000004eea7570): kobject_uevent_env kobject: 'kvm' (0000000057df0ebb): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (000000004eea7570): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'batman_adv' (0000000037e33b7a): kobject_uevent_env sctp: [Deprecated]: syz-executor.1 (pid 24878) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead EntryControls=0000d1ff ExitControls=002fefff RDX: 0000000000000003 RSI: ffffffff8652c870 RDI: 0000000000000018 kobject: 'batman_adv' (0000000037e33b7a): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop0' (0000000071caea80): kobject_uevent_env kasan: CONFIG_KASAN_INLINE enabled kobject: 'loop0' (0000000071caea80): fill_kobj_path: path = '/devices/virtual/block/loop0' sctp: [Deprecated]: syz-executor.1 (pid 24878) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead kobject: 'batman_adv' (0000000037e33b7a): kobject_cleanup, parent (null) kasan: GPF could be caused by NULL-ptr deref or user memory access ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 RBP: ffff88805092f7d0 R08: 00000000006000c0 R09: ffff88805e194ca0 VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 kobject: 'batman_adv' (0000000037e33b7a): calling ktype release VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 kobject: (0000000037e33b7a): dynamic_kobj_release kobject: 'batman_adv': free name IDTVectoring: info=00000000 errcode=00000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888095da1b40 kobject: 'loop1' (000000004eea7570): kobject_uevent_env general protection fault: 0000 [#2] PREEMPT SMP KASAN kobject: 'rx-0' (00000000ec7fef72): kobject_cleanup, parent 00000000189695ee CPU: 0 PID: 24867 Comm: syz-executor.3 Tainted: G D 4.19.60 #33 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rxrpc_connect_call+0xe0/0x48d0 net/rxrpc/conn_client.c:693 Code: 03 80 3c 18 00 0f 85 a9 40 00 00 48 8b 85 08 ff ff ff 48 8b 18 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 18 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 76 40 00 00 48 8b 5b 18 48 8d bb f0 01 00 00 48 RSP: 0018:ffff88805b267660 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000c6b3000 RDX: 0000000000000003 RSI: ffffffff8652c870 RDI: 0000000000000018 RBP: ffff88805b2677d0 R08: 00000000006000c0 R09: ffffed101268028a R10: ffffed1012680289 R11: ffff88809340144b R12: ffff888081791b00 R13: ffff88807fc486a0 R14: ffff888095da1cc8 R15: ffff88805b2678f8 FS: 00007fd3fd84c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000007126b4 CR3: 0000000081c8d000 CR4: 00000000001426f0 Call Trace: kobject: 'loop1' (000000004eea7570): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000ec7fef72): auto cleanup 'remove' event rxrpc_new_client_call+0x8e7/0x1880 net/rxrpc/call_object.c:291 TSC Offset = 0xfffffe43fecd7fe8 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:595 [inline] rxrpc_do_sendmsg+0xfbe/0x1c8f net/rxrpc/sendmsg.c:651 TPR Threshold = 0x00 kobject: 'rx-0' (00000000ec7fef72): kobject_uevent_env rxrpc_sendmsg+0x4b8/0x5f0 net/rxrpc/af_rxrpc.c:592 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 ___sys_sendmsg+0x3e2/0x920 net/socket.c:2115 kobject: 'rx-0' (00000000ec7fef72): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' EPT pointer = 0x00000000a84c001e kobject: 'rx-0' (00000000ec7fef72): auto cleanup kobject_del Virtual processor ID = 0x0001 __sys_sendmmsg+0x1bf/0x4e0 net/socket.c:2210 kobject: 'rx-0' (00000000ec7fef72): calling ktype release kobject: 'rx-0': free name __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 kobject: 'tx-0' (00000000063fa4b8): kobject_cleanup, parent 00000000189695ee entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 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:00007fd3fd84bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459829 RDX: 0000000000000001 RSI: 0000000020005c00 RDI: 0000000000000003 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd3fd84c6d4 kobject: 'kvm' (0000000057df0ebb): kobject_uevent_env R13: 00000000004c6e90 R14: 00000000004dc250 R15: 00000000ffffffff Modules linked in: R13: ffff88807fc486a0 R14: ffff88807fc48690 R15: ffff88805092f8f8 kobject: 'tx-0' (00000000063fa4b8): auto cleanup 'remove' event FS: 00007fd3fd86d700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 kobject: 'tx-0' (00000000063fa4b8): kobject_uevent_env CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'kvm' (0000000057df0ebb): fill_kobj_path: path = '/devices/virtual/misc/kvm' CR2: 00007f617162c169 CR3: 0000000081c8d000 CR4: 00000000001426f0 kobject: 'tx-0' (00000000063fa4b8): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0'