mip6: mip6_rthdr_init_state: state's mode is not 2: 0
==================================================================
BUG: KASAN: use-after-free in __list_add_valid+0x9a/0xa0 lib/list_debug.c:26
Read of size 8 at addr ffff888051673360 by task syz-executor.2/5521

CPU: 1 PID: 5521 Comm: syz-executor.2 Not tainted 5.0.0-rc8+ #88
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187
 kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/generic_report.c:135
 __list_add_valid+0x9a/0xa0 lib/list_debug.c:26
 __list_add include/linux/list.h:60 [inline]
 list_add_tail include/linux/list.h:93 [inline]
 cma_listen_on_all drivers/infiniband/core/cma.c:2477 [inline]
 rdma_listen+0x63b/0x8e0 drivers/infiniband/core/cma.c:3492
 ucma_listen+0x14d/0x1c0 drivers/infiniband/core/ucma.c:1100
 ucma_write+0x2da/0x3c0 drivers/infiniband/core/ucma.c:1689
 __vfs_write+0x116/0x8e0 fs/read_write.c:485
 vfs_write+0x20c/0x580 fs/read_write.c:549
 ksys_write+0xea/0x1f0 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:607
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f13df5d6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29
RDX: 0000000000000010 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f13df5d76d4
R13: 00000000004c70d9 R14: 00000000004dcb90 R15: 00000000ffffffff

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: 1 PID: 5521 Comm: syz-executor.2 Not tainted 5.0.0-rc8+ #88
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:print_address_description.cold+0x120/0x20d mm/kasan/report.c:192
Code: ff ff a8 01 0f 84 e5 00 00 00 48 83 e8 01 48 8b 00 f6 c4 02 0f 84 04 ff ff ff 4d 8b 74 24 18 4c 89 e8 4c 89 eb 49 8b 4c 24 28 <41> 8b 7e 14 48 29 c8 48 99 48 f7 ff 41 8b 46 24 48 29 d3 83 e8 01
RSP: 0018:ffff888095effa38 EFLAGS: 00010002
RAX: ffff888051673360 RBX: ffff888051673360 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815a9066 RDI: ffffed1012bdff39
RBP: ffff888095effa60 R08: 0000000000000000 R09: ffffed1015d23ef9
R10: ffffed1015d23ef8 R11: ffff8880ae91f7c7 R12: ffffea0001459cc0
R13: ffff888051673360 R14: dead000000000400 R15: 0000000000000000
FS:  00007f13df5d7700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004cddb0 CR3: 0000000054ab0000 CR4: 00000000001406e0
bridge0: port 1(bridge_slave_0) entered disabled state
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/generic_report.c:135
 __list_add_valid+0x9a/0xa0 lib/list_debug.c:26
 __list_add include/linux/list.h:60 [inline]
 list_add_tail include/linux/list.h:93 [inline]
 cma_listen_on_all drivers/infiniband/core/cma.c:2477 [inline]
 rdma_listen+0x63b/0x8e0 drivers/infiniband/core/cma.c:3492
 ucma_listen+0x14d/0x1c0 drivers/infiniband/core/ucma.c:1100
 ucma_write+0x2da/0x3c0 drivers/infiniband/core/ucma.c:1689
 __vfs_write+0x116/0x8e0 fs/read_write.c:485
 vfs_write+0x20c/0x580 fs/read_write.c:549
 ksys_write+0xea/0x1f0 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:607
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f13df5d6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29
RDX: 0000000000000010 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f13df5d76d4
R13: 00000000004c70d9 R14: 00000000004dcb90 R15: 00000000ffffffff
Modules linked in:
---[ end trace bd38f447e0538556 ]---
RIP: 0010:print_address_description.cold+0x120/0x20d mm/kasan/report.c:192
Code: ff ff a8 01 0f 84 e5 00 00 00 48 83 e8 01 48 8b 00 f6 c4 02 0f 84 04 ff ff ff 4d 8b 74 24 18 4c 89 e8 4c 89 eb 49 8b 4c 24 28 <41> 8b 7e 14 48 29 c8 48 99 48 f7 ff 41 8b 46 24 48 29 d3 83 e8 01
RSP: 0018:ffff888095effa38 EFLAGS: 00010002
RAX: ffff888051673360 RBX: ffff888051673360 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815a9066 RDI: ffffed1012bdff39
RBP: ffff888095effa60 R08: 0000000000000000 R09: ffffed1015d23ef9
R10: ffffed1015d23ef8 R11: ffff8880ae91f7c7 R12: ffffea0001459cc0
R13: ffff888051673360 R14: dead000000000400 R15: 0000000000000000
FS:  00007f13df5d7700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004cddb0 CR3: 0000000054ab0000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400