kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8458 Comm: syz-executor.4 Not tainted 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 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:ffff888060777660 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000e6b3000 RDX: 0000000000000003 RSI: ffffffff86557ea0 RDI: 0000000000000018 RBP: ffff8880607777d0 R08: 00000000006000c0 R09: ffff888095880da0 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880601bdb40 R13: ffff888067f58860 R14: ffff888067f58850 R15: ffff8880607778f8 FS: 00007f2108da3700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000738000 CR3: 0000000096312000 CR4: 00000000001406f0 Call Trace: 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 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 __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:00007f2108da2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459829 RDX: 0000000000000001 RSI: 0000000020005c00 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2108da36d4 R13: 00000000004c6e90 R14: 00000000004dc250 R15: 00000000ffffffff Modules linked in: ---[ end trace 720d7c3430ec522c ]--- kobject: 'loop2' (000000001198bcd8): kobject_uevent_env kobject: 'loop2' (000000001198bcd8): fill_kobj_path: path = '/devices/virtual/block/loop2' RIP: 0010:rxrpc_connect_call+0xe0/0x48d0 net/rxrpc/conn_client.c:693 kobject: 'loop0' (000000006016fb0f): 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: 'loop0' (000000006016fb0f): fill_kobj_path: path = '/devices/virtual/block/loop0' kauditd_printk_skb: 4 callbacks suppressed audit: type=1800 audit(1564135121.056:53): pid=8446 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.5" name="bus" dev="sda1" ino=16601 res=0 RSP: 0018:ffff888060777660 EFLAGS: 00010206 kobject: 'loop3' (0000000071b7ac8b): kobject_uevent_env RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000e6b3000 kobject: 'loop3' (0000000071b7ac8b): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000e5431373): kobject_uevent_env audit: type=1800 audit(1564135121.066:54): pid=8460 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.5" name="bus" dev="sda1" ino=16601 res=0 RDX: 0000000000000003 RSI: ffffffff86557ea0 RDI: 0000000000000018 kobject: 'loop5' (00000000e5431373): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000001198bcd8): kobject_uevent_env kobject: 'loop2' (000000001198bcd8): fill_kobj_path: path = '/devices/virtual/block/loop2' kasan: CONFIG_KASAN_INLINE enabled RBP: ffff8880607777d0 R08: 00000000006000c0 R09: ffff888095880da0 kobject: 'loop1' (000000008457a282): kobject_uevent_env kasan: GPF could be caused by NULL-ptr deref or user memory access kobject: 'loop1' (000000008457a282): fill_kobj_path: path = '/devices/virtual/block/loop1' R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880601bdb40 kobject: 'loop5' (00000000e5431373): kobject_uevent_env general protection fault: 0000 [#2] PREEMPT SMP KASAN kobject: 'loop5' (00000000e5431373): fill_kobj_path: path = '/devices/virtual/block/loop5' CPU: 0 PID: 8490 Comm: syz-executor.4 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 R13: ffff888067f58860 R14: ffff888067f58850 R15: ffff8880607778f8 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:ffff88806034f660 EFLAGS: 00010206 kobject: 'loop0' (000000006016fb0f): kobject_uevent_env RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000e8b4000 RDX: 0000000000000003 RSI: ffffffff86557ea0 RDI: 0000000000000018 RBP: ffff88806034f7d0 R08: 00000000006000c0 R09: ffffed1010bcee8a R10: ffffed1010bcee89 R11: ffff888085e7744b R12: ffff88809637fb00 R13: ffff888067f58860 R14: ffff8880601bdcc8 R15: ffff88806034f8f8 kobject: 'loop0' (000000006016fb0f): fill_kobj_path: path = '/devices/virtual/block/loop0' FS: 00007f2108d82700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000070f158 CR3: 0000000096312000 CR4: 00000000001406f0 Call Trace: kobject: 'loop2' (000000001198bcd8): kobject_uevent_env kobject: 'loop2' (000000001198bcd8): fill_kobj_path: path = '/devices/virtual/block/loop2' FS: 00007f2108da3700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 rxrpc_new_client_call+0x8e7/0x1880 net/rxrpc/call_object.c:291 kobject: 'loop1' (000000008457a282): kobject_uevent_env rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:595 [inline] rxrpc_do_sendmsg+0xfbe/0x1c8f net/rxrpc/sendmsg.c:651 kobject: 'loop1' (000000008457a282): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000001198bcd8): kobject_uevent_env rxrpc_sendmsg+0x4b8/0x5f0 net/rxrpc/af_rxrpc.c:592 kobject: 'loop2' (000000001198bcd8): fill_kobj_path: path = '/devices/virtual/block/loop2' sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 kobject: 'loop3' (0000000071b7ac8b): kobject_uevent_env ___sys_sendmsg+0x3e2/0x920 net/socket.c:2115 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop3' (0000000071b7ac8b): fill_kobj_path: path = '/devices/virtual/block/loop3' CR2: 000000c42e8f9f78 CR3: 0000000096312000 CR4: 00000000001406e0