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* [BUG REPORT] kernel BUG at lib/dynamic_queue_limits.c:99!
@ 2024-07-12  2:08 xiujianfeng
  2024-07-12  2:12 ` xiujianfeng
  0 siblings, 1 reply; 5+ messages in thread
From: xiujianfeng @ 2024-07-12  2:08 UTC (permalink / raw)
  To: netdev, Linux kernel mailing list

I found a problem with my QEMU environment, and the log is as follows.

After I did the bisect to locate the issue, I found
8490dd0592e85e0cceefa6b48d66dbdd73df0fb3 is the first bad commit,
however this is a merge commit, and I cannot further confirm which
specific commit caused this issue.

------------[ cut here ]------------
kernel BUG at lib/dynamic_queue_limits.c:99!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
CPU: 1 UID: 0 PID: 203 Comm: ip Not tainted
6.10.0-rc7-next-20240711-12643-gf477dd6eede3 #613
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1
04/01/2014
RIP: 0010:dql_completed+0x212/0x230
Code: 41 1c 01 48 89 57 58 e9 85 fe ff ff 85 ed 40 0f 95 c5 41 39 d8 0f
95 c1 40 84 cd 74 05 45 85 e4 78 0a 44 89 d9 e9 67 fe fe
RSP: 0018:ffffc900000f0d70 EFLAGS: 00000213
RAX: 0000000000000000 RBX: ffff88800413b800 RCX: ffff888005925240
RDX: 0000000000000000 RSI: 0000000081df1116 RDI: ffff888003a0d700
RBP: ffff888003a0d600 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88800a403c90 R12: 0000000000000001
R13: ffffc900000f0db0 R14: ffff888003a0d680 R15: ffff88803cc80000
FS:  00007fcf4229f1c0(0000) GS:ffff88803cc80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005596d60d1290 CR3: 00000000093c0000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 ? die+0x32/0x90
 ? do_trap+0xdc/0x100
 ? dql_completed+0x212/0x230
 ? do_error_trap+0x60/0x80
 ? dql_completed+0x212/0x230
 ? exc_invalid_op+0x4f/0x70
 ? dql_completed+0x212/0x230
 ? asm_exc_invalid_op+0x1a/0x20
 ? dql_completed+0x212/0x230
 __free_old_xmit+0xb2/0x120
 free_old_xmit+0x23/0x70
 ? _raw_spin_trylock+0x46/0x60
 virtnet_poll+0xe0/0x590
 ? update_curr+0xf9/0x1c0
 ? find_held_lock+0x2b/0x80
 __napi_poll+0x25/0x160
 net_rx_action+0x177/0x310
 ? clockevents_program_event+0x53/0x100
 ? lock_release+0xa4/0x1d0
 ? ktime_get+0x76/0x100
 ? lapic_next_event+0x10/0x20
 handle_softirqs+0xd0/0x210
 do_softirq+0x3b/0x60
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x55/0x70
 virtnet_open+0xac/0x2d0
 __dev_open+0xda/0x190
 __dev_change_flags+0x1b3/0x230
 ? __pfx_stack_trace_consume_entry+0x10/0x10
 ? arch_stack_walk+0x9d/0xf0
 dev_change_flags+0x20/0x60
 do_setlink+0x27e/0x1120
 ? set_track_prepare+0x3b/0x60
 ? rtnl_newlink+0x5a/0xa0
 ? rtnetlink_rcv_msg+0x199/0x4c0
 ? __nla_validate_parse+0x5e/0xed0
 ? netlink_sendmsg+0x1e3/0x420
 ? __sock_sendmsg+0x5e/0x60
 ? ____sys_sendmsg+0x1da/0x210
 ? ___sys_sendmsg+0x7b/0xc0
 ? __sys_sendmsg+0x50/0x90
 ? do_syscall_64+0x4b/0x110
 ? entry_SYSCALL_64_after_hwframe+0x76/0x7e
 __rtnl_newlink+0x50d/0x990
 ? __kmalloc_cache_noprof+0x1a0/0x260
 ? __kmalloc_cache_noprof+0x204/0x260
 ? rtnetlink_rcv_msg+0x14e/0x4c0
 ? rtnl_newlink+0x5a/0xa0
 rtnl_newlink+0x73/0xa0
 rtnetlink_rcv_msg+0x199/0x4c0
 ? find_held_lock+0x2b/0x80
 ? __pfx_rtnetlink_rcv_msg+0x10/0x10
 netlink_rcv_skb+0x56/0x100
 ? netlink_unicast+0x69/0x3a0
 netlink_unicast+0x283/0x3a0
 netlink_sendmsg+0x1e3/0x420
 __sock_sendmsg+0x5e/0x60
 ____sys_sendmsg+0x1da/0x210
 ? copy_msghdr_from_user+0x68/0xa0
 ___sys_sendmsg+0x7b/0xc0
 ? stack_depot_save_flags+0x2e/0x8a0
 ? check_bytes_and_report.constprop.0+0x48/0x120
 ? check_object+0xb5/0x3a0
 ? find_held_lock+0x2b/0x80
 __sys_sendmsg+0x50/0x90
 do_syscall_64+0x4b/0x110
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fcf423c7f03
Code: 64 89 02 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00
90 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 2e 00 00 00 08
RSP: 002b:00007ffcbfa59528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcf423c7f03
RDX: 0000000000000000 RSI: 00007ffcbfa59590 RDI: 0000000000000003
RBP: 0000000066907e78 R08: 0000000000000001 R09: 00007fcf42499be0
R10: 0000000000000076 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffcbfa59660 R14: 0000000000000000 R15: 00005596d6088020
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dql_completed+0x212/0x230
Code: 41 1c 01 48 89 57 58 e9 85 fe ff ff 85 ed 40 0f 95 c5 41 39 d8 0f
95 c1 40 84 cd 74 05 45 85 e4 78 0a 44 89 d9 e9 67 fe fe
RSP: 0018:ffffc900000f0d70 EFLAGS: 00000213
RAX: 0000000000000000 RBX: ffff88800413b800 RCX: ffff888005925240
RDX: 0000000000000000 RSI: 0000000081df1116 RDI: ffff888003a0d700
RBP: ffff888003a0d600 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88800a403c90 R12: 0000000000000001
R13: ffffc900000f0db0 R14: ffff888003a0d680 R15: ffff88803cc80000
FS:  00007fcf4229f1c0(0000) GS:ffff88803cc80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005596d60d1290 CR3: 00000000093c0000 CR4: 00000000000006f0
Kernel panic - not syncing: Fatal exception in interrupt
Kernel Offset: disabled
---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---

^ permalink raw reply	[flat|nested] 5+ messages in thread
end of thread, other threads:[~2024-07-16 11:31 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-07-12  2:08 [BUG REPORT] kernel BUG at lib/dynamic_queue_limits.c:99! xiujianfeng
2024-07-12  2:12 ` xiujianfeng
2024-07-13  0:43   ` Jakub Kicinski
2024-07-13  0:44     ` Jakub Kicinski
2024-07-16 11:31       ` xiujianfeng

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