LDTR: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 IDTR: limit=0x00000000, base=0x0000000000000000 TR: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 general protection fault: 0000 [#1] PREEMPT SMP KASAN kobject: 'kvm' (0000000079db26ed): kobject_uevent_env CPU: 1 PID: 13930 Comm: syz-executor.3 Not tainted 4.19.61 #35 kobject: 'kvm' (0000000079db26ed): fill_kobj_path: path = '/devices/virtual/misc/kvm' 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:ffff88805797f660 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000c4b2000 RDX: 0000000000000003 RSI: ffffffff86557ea0 RDI: 0000000000000018 kobject: 'kvm' (0000000079db26ed): kobject_uevent_env RBP: ffff88805797f7d0 R08: 00000000006000c0 R09: ffff88805c1b0e20 kobject: 'kvm' (0000000079db26ed): fill_kobj_path: path = '/devices/virtual/misc/kvm' R10: 0000000000000000 R11: 0000000000000000 R12: ffff88807b34fb40 R13: ffff88808ea98720 R14: ffff88808ea98710 R15: ffff88805797f8f8 FS: 00007ff5792b2700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000075c000 CR3: 0000000095c3b000 CR4: 00000000001426e0 Call Trace: kobject: 'kvm' (0000000079db26ed): kobject_uevent_env kobject: 'kvm' (0000000079db26ed): fill_kobj_path: path = '/devices/virtual/misc/kvm' rxrpc_new_client_call+0x8e7/0x1880 net/rxrpc/call_object.c:291 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:595 [inline] rxrpc_do_sendmsg+0xfbe/0x1c8f net/rxrpc/sendmsg.c:651 kobject: 'kvm' (0000000079db26ed): kobject_uevent_env rxrpc_sendmsg+0x4b8/0x5f0 net/rxrpc/af_rxrpc.c:592 kobject: 'kvm' (0000000079db26ed): fill_kobj_path: path = '/devices/virtual/misc/kvm' 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 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:00007ff5792b1c78 EFLAGS: 00000246 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: 00007ff5792b26d4 R13: 00000000004c6fe8 R14: 00000000004dc518 R15: 00000000ffffffff Modules linked in: EFER = 0x0000000000000000 PAT = 0x0007040600070406 ---[ end trace 1367cf92e97eddd7 ]--- 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 kobject: 'loop4' (0000000030b995c7): kobject_uevent_env RSP: 0018:ffff88805797f660 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000c4b2000 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 RDX: 0000000000000003 RSI: ffffffff86557ea0 RDI: 0000000000000018 kobject: 'loop4' (0000000030b995c7): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000079db26ed): kobject_uevent_env kobject: 'loop5' (0000000013a12449): kobject_uevent_env kobject: 'loop5' (0000000013a12449): fill_kobj_path: path = '/devices/virtual/block/loop5' RBP: ffff88805797f7d0 R08: 00000000006000c0 R09: ffff88805c1b0e20 Interruptibility = 00000000 ActivityState = 00000000 kobject: 'kvm' (0000000079db26ed): fill_kobj_path: path = '/devices/virtual/misc/kvm' *** Host State *** R10: 0000000000000000 R11: 0000000000000000 R12: ffff88807b34fb40 kobject: 'loop2' (00000000b1faedb4): kobject_uevent_env kasan: CONFIG_KASAN_INLINE enabled RIP = 0xffffffff811c7ba6 RSP = 0xffff8880598cf8c0 kobject: 'kvm' (0000000079db26ed): kobject_uevent_env kobject: 'loop2' (00000000b1faedb4): fill_kobj_path: path = '/devices/virtual/block/loop2' kasan: GPF could be caused by NULL-ptr deref or user memory access R13: ffff88808ea98720 R14: ffff88808ea98710 R15: ffff88805797f8f8 kobject: 'kvm' (0000000079db26ed): fill_kobj_path: path = '/devices/virtual/misc/kvm' CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 general protection fault: 0000 [#2] PREEMPT SMP KASAN FS: 00007ff5792b2700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CPU: 1 PID: 13949 Comm: syz-executor.3 Tainted: G D 4.19.61 #35 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 FSBase=00007f7a8d747700 GSBase=ffff8880ae900000 TRBase=fffffe0000003000 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:ffff88805729f660 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000cab5000 RDX: 0000000000000003 RSI: ffffffff86557ea0 RDI: 0000000000000018 RBP: ffff88805729f7d0 R08: 00000000006000c0 R09: ffffed101421528a R10: ffffed1014215289 R11: ffff8880a10a944b R12: ffff88807b34f6c0 R13: ffff88808ea98720 R14: ffff88807b34fcc8 R15: ffff88805729f8f8 FS: 00007ff57924f700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2dd28000 CR3: 0000000095c3b000 CR4: 00000000001426e0 Call Trace: CR2: 00007f364919b000 CR3: 0000000095c3b000 CR4: 00000000001426f0 GDTBase=fffffe0000001000 IDTBase=fffffe0000000000 rxrpc_new_client_call+0x8e7/0x1880 net/rxrpc/call_object.c:291 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:595 [inline] rxrpc_do_sendmsg+0xfbe/0x1c8f net/rxrpc/sendmsg.c:651 CR0=0000000080050033 CR3=000000008243e000 CR4=00000000001426e0 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