R13: 00000000004d4e80 R14: 00000000004c93c9 R15: 0000000000000008 kasan: CONFIG_KASAN_INLINE enabled IPv6 header not found IPv6 header not found kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 17321 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rhashtable_walk_exit+0x74/0x360 lib/rhashtable.c:689 Code: 8e 83 c7 00 f1 f1 f1 f1 c7 40 04 00 f2 f2 f2 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 e8 13 28 f0 fd 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 e5 01 00 00 48 8b 03 48 8d b8 00 01 00 00 e8 kobject: 'loop0' (000000009455d0a6): kobject_uevent_env RSP: 0018:ffff8801d4df70e8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc90004c5f000 RDX: 0000000000040000 RSI: ffffffff838ea71d RDI: 0000000000000000 RBP: ffff8801d4df7188 R08: ffff8801a0278300 R09: fffffbfff13f2d20 R10: fffffbfff13f2d20 R11: ffffffff89f96907 R12: 1ffff1003a9bee20 R13: dffffc0000000000 R14: ffff8801d4df7160 R15: dffffc0000000000 FS: 00007f6ff6422700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 kobject: 'loop0' (000000009455d0a6): fill_kobj_path: path = '/devices/virtual/block/loop0' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7b24cd8330 CR3: 00000001bbdbd000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kobject: 'loop2' (00000000abd3e6e0): kobject_uevent_env kobject: 'loop2' (00000000abd3e6e0): fill_kobj_path: path = '/devices/virtual/block/loop2' tipc_dump_done+0x34/0x50 net/tipc/socket.c:3295 __tipc_nl_compat_dumpit.isra.11+0x670/0xb30 net/tipc/netlink_compat.c:220 tipc_nl_compat_dumpit+0x1f4/0x440 net/tipc/netlink_compat.c:267 tipc_nl_compat_handle net/tipc/netlink_compat.c:1095 [inline] tipc_nl_compat_recv+0xdab/0x19a0 net/tipc/netlink_compat.c:1207 genl_family_rcv_msg+0x8a9/0x1140 net/netlink/genetlink.c:601 genl_rcv_msg+0xc6/0x168 net/netlink/genetlink.c:626 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2454 genl_rcv+0x28/0x40 net/netlink/genetlink.c:637 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline] netlink_unicast+0x5a5/0x760 net/netlink/af_netlink.c:1343 netlink_sendmsg+0xa18/0xfc0 net/netlink/af_netlink.c:1908 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2114 __sys_sendmsg+0x11d/0x280 net/socket.c:2152 __do_sys_sendmsg net/socket.c:2161 [inline] __se_sys_sendmsg net/socket.c:2159 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2159 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4572d9 Code: fd b4 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 b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6ff6421c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6ff64226d4 RCX: 00000000004572d9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 00000000004d4e80 R14: 00000000004c93c9 R15: 0000000000000008 Modules linked in: ---[ end trace ead40ca0c1d32602 ]--- RIP: 0010:rhashtable_walk_exit+0x74/0x360 lib/rhashtable.c:689 Code: 8e 83 c7 00 f1 f1 f1 f1 c7 40 04 00 f2 f2 f2 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 e8 13 28 f0 fd 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 e5 01 00 00 48 8b 03 48 8d b8 00 01 00 00 e8 RSP: 0018:ffff8801d4df70e8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc90004c5f000 RDX: 0000000000040000 RSI: ffffffff838ea71d RDI: 0000000000000000 RBP: ffff8801d4df7188 R08: ffff8801a0278300 R09: fffffbfff13f2d20 R10: fffffbfff13f2d20 R11: ffffffff89f96907 R12: 1ffff1003a9bee20 R13: dffffc0000000000 R14: ffff8801d4df7160 R15: dffffc0000000000 FS: 00007f6ff6422700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f644afa7db8 CR3: 00000001bbdbd000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400