loop0: detected capacity change from 0 to 32768
BTRFS: device fsid 395ef67a-297e-477c-816d-cd80a5b93e5d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5325)
BTRFS info (device loop0): first mount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d
BTRFS info (device loop0): using sha256 checksum algorithm
BTRFS info (device loop0): enabling ssd optimizations
BTRFS info (device loop0): turning on async discard
BTRFS info (device loop0): enabling free space tree
infiniband syz1: set active
infiniband syz1: added syz_tun
RDS/IB: syz1: added
smc: adding ib device syz1 with port count 1
smc: ib device syz1 port 1 has no pnetid
smc: removing ib device syz1
------------[ cut here ]------------
GID entry ref leak for dev syz1 index 2 ref=1
WARNING: drivers/infiniband/core/cache.c:808 at release_gid_table drivers/infiniband/core/cache.c:805 [inline], CPU#0: syz.0.0/5325
WARNING: drivers/infiniband/core/cache.c:808 at gid_table_release_one+0x1fa/0x440 drivers/infiniband/core/cache.c:885, CPU#0: syz.0.0/5325
Modules linked in:
CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:release_gid_table drivers/infiniband/core/cache.c:805 [inline]
RIP: 0010:gid_table_release_one+0x2aa/0x440 drivers/infiniband/core/cache.c:885
Code: 00 48 89 ef be 04 00 00 00 e8 22 70 91 f9 48 89 e8 48 c1 e8 03 42 0f b6 04 28 84 c0 75 54 8b 4d 00 48 89 df 4c 89 fe 44 89 e2 <67> 48 0f b9 3a 4d 89 ef 4c 8b 6c 24 68 48 8b 44 24 70 42 0f b6 04
RSP: 0018:ffffc9000e05efd0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffff901fca60 RCX: 0000000000000001
RDX: 0000000000000002 RSI: ffff8880433ebf20 RDI: ffffffff901fca60
RBP: ffff888042d9fb00 R08: ffff888042d9fb03 R09: 1ffff110085b3f60
R10: dffffc0000000000 R11: ffffed10085b3f61 R12: 0000000000000002
R13: dffffc0000000000 R14: ffff888040c7ced8 R15: ffff8880433ebf20
FS: 00007fc67cc2b6c0(0000) GS:ffff88808ca55000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555563d0c340 CR3: 000000001181d000 CR4: 0000000000352ef0
Call Trace:
<TASK>
ib_device_release+0xd2/0x1c0 drivers/infiniband/core/device.c:482
device_release+0x9e/0x1d0 drivers/base/core.c:-1
kobject_cleanup lib/kobject.c:689 [inline]
kobject_release lib/kobject.c:720 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x228/0x560 lib/kobject.c:737
nldev_dellink+0x288/0x320 drivers/infiniband/core/nldev.c:1827
rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:-1 [inline]
rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
rdma_nl_rcv+0x6d7/0xa10 drivers/infiniband/core/netlink.c:259
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
sock_sendmsg_nosec net/socket.c:727 [inline]
__sock_sendmsg net/socket.c:742 [inline]
____sys_sendmsg+0x972/0x9f0 net/socket.c:2592
___sys_sendmsg+0x2a5/0x360 net/socket.c:2646
__sys_sendmsg net/socket.c:2678 [inline]
__do_sys_sendmsg net/socket.c:2683 [inline]
__se_sys_sendmsg net/socket.c:2681 [inline]
__x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2681
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc67bd9c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc67cc2afe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fc67c015fa0 RCX: 00007fc67bd9c799
RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000000000009
RBP: 00007fc67be32c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc67c016038 R14: 00007fc67c015fa0 R15: 00007ffe0b2de8d8
</TASK>
----------------
Code disassembly (best guess):
0: 00 48 89 add %cl,-0x77(%rax)
3: ef out %eax,(%dx)
4: be 04 00 00 00 mov $0x4,%esi
9: e8 22 70 91 f9 call 0xf9917030
e: 48 89 e8 mov %rbp,%rax
11: 48 c1 e8 03 shr $0x3,%rax
15: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax
1a: 84 c0 test %al,%al
1c: 75 54 jne 0x72
1e: 8b 4d 00 mov 0x0(%rbp),%ecx
21: 48 89 df mov %rbx,%rdi
24: 4c 89 fe mov %r15,%rsi
27: 44 89 e2 mov %r12d,%edx
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: 4d 89 ef mov %r13,%r15
32: 4c 8b 6c 24 68 mov 0x68(%rsp),%r13
37: 48 8b 44 24 70 mov 0x70(%rsp),%rax
3c: 42 rex.X
3d: 0f .byte 0xf
3e: b6 04 mov $0x4,%dh