syzbot


WARNING in static_key_slow_inc_cpuslocked

Status: closed as invalid on 2023/03/23 00:28
Subsystems: kernel
[Documentation on labels]
First crash: 931d, last: 931d

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 9071 at kernel/jump_label.c:172 static_key_slow_inc_cpuslocked kernel/jump_label.c:172 [inline]
WARNING: CPU: 1 PID: 9071 at kernel/jump_label.c:172 static_key_slow_inc_cpuslocked+0x165/0x1a0 kernel/jump_label.c:148
Modules linked in:
CPU: 1 PID: 9071 Comm: syz-executor.1 Not tainted 6.2.0-rc7-syzkaller-01590-g75da437a2f17 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
RIP: 0010:static_key_slow_inc_cpuslocked kernel/jump_label.c:172 [inline]
RIP: 0010:static_key_slow_inc_cpuslocked+0x165/0x1a0 kernel/jump_label.c:148
Code: 44 89 e0 5d 41 5c c3 e8 e9 9d d6 ff 48 89 ef e8 c1 da ff ff 31 ff 41 89 c4 89 c6 e8 45 9a d6 ff 45 84 e4 75 bf e8 cb 9d d6 ff <0f> 0b 48 c7 c7 c0 d7 87 8c e8 3d 84 62 08 e9 b5 fe ff ff 48 89 ef
RSP: 0018:ffffc900064973d0 EFLAGS: 00010212
RAX: 000000000000065c RBX: ffff88807d340800 RCX: ffffc900052fa000
RDX: 0000000000040000 RSI: ffffffff81aa62c5 RDI: 0000000000000001
RBP: ffffffff91fa43a0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88807d340ae8 R14: ffffffff8e7454c0 R15: ffff888076d11800
FS:  00007f2eae974700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32647000 CR3: 0000000020e12000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 static_key_slow_inc+0x1b/0x30 kernel/jump_label.c:186
 ingress_init+0x67/0x1d0 net/sched/sch_ingress.c:83
 qdisc_create+0x4d1/0x1150 net/sched/sch_api.c:1295
 tc_modify_qdisc+0x948/0x19c0 net/sched/sch_api.c:1662
 rtnetlink_rcv_msg+0x43e/0xca0 net/core/rtnetlink.c:6174
 netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2574
 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
 netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
 netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1942
 sock_sendmsg_nosec net/socket.c:722 [inline]
 sock_sendmsg+0xde/0x190 net/socket.c:745
 ____sys_sendmsg+0x71c/0x900 net/socket.c:2501
 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2555
 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2584
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2eadc8c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2eae974168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2eaddac120 RCX: 00007f2eadc8c0f9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006
RBP: 00007f2eadce7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff0157003f R14: 00007f2eae974300 R15: 0000000000022000
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/02/13 01:01 net-next-old 75da437a2f17 93e26d60 .config console log report info ci-upstream-net-kasan-gce WARNING in static_key_slow_inc_cpuslocked
* Struck through repros no longer work on HEAD.