From: "Corentin Noël" <corentin.noel@collabora.com>
To: Eric Dumazet <edumazet@google.com>
Cc: Greg KH <gregkh@linuxfoundation.org>,
stable@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>,
Jason Wang <jasowang@redhat.com>,
virtualization@lists.linux-foundation.org,
regressions@lists.linux.dev,
Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Subject: Re: virtio-net: kernel panic in virtio_net.c
Date: Wed, 02 Jun 2021 19:54:41 +0200 [thread overview]
Message-ID: <9b894cd65f67116b5eb3b57d714f8782619c5434.camel@collabora.com> (raw)
In-Reply-To: <CANn89iKFjZJ=AtgAJmk4ZEtS3eL5XKMr6wiFUhtfTb2tFKbcuA@mail.gmail.com>
Le mardi 01 juin 2021 à 19:47 +0200, Eric Dumazet a écrit :
> On Tue, Jun 1, 2021 at 7:09 PM Corentin Noël
> <corentin.noel@collabora.com> wrote:
> > Le mardi 01 juin 2021 à 19:07 +0200, Greg KH a écrit :
> > > On Tue, Jun 01, 2021 at 06:06:50PM +0200, Corentin Noël wrote:
> > > > I've been experiencing crashes with 5.13 that do not occur with
> > > > 5.12,
> > > > here is the crash trace:
> > > >
> > > > [ 47.713713] skbuff: skb_over_panic: text:ffffffffb73a8354
> > > > len:3762
> > > > put:3762 head:ffff9e1e1e48e000 data:ffff9e1e1e48e010 tail:0xec2
> > > > end:0xec0 dev:<NULL>
> > > > [ 47.716267] kernel BUG at net/core/skbuff.c:110!
> > > > [ 47.717197] invalid opcode: 0000 [#1] SMP PTI
> > > > [ 47.718049] CPU: 2 PID: 730 Comm: llvmpipe-0 Not tainted
> > > > 5.13.0-
> > > > rc3linux-v5.13-rc3-for-mesa-ci-87614d7f3282.tar.bz2 #1
> > > > [ 47.719739] Hardware name: ChromiumOS crosvm, BIOS 0
> > > > [ 47.720656] RIP: 0010:skb_panic+0x43/0x45
> > > > [ 47.721426] Code: 4f 70 50 8b 87 bc 00 00 00 50 8b 87 b8 00
> > > > 00
> > > > 00 50
> > > > ff b7 c8 00 00 00 4c 8b 8f c0 00 00 00 48 c7 c7 78 ae ef b7 e8
> > > > 7f
> > > > 4c fb
> > > > ff <0f> 0b 48 8b 14 24 48 c7 c1 a0 22 d1 b7 e8 ab ff ff ff 48
> > > > c7 c6
> > > > e0
> > > > [ 47.725944] RSP: 0000:ffffacec01347c20 EFLAGS: 00010246
> > > > [ 47.726735] RAX: 000000000000008b RBX: 0000000000000010 RCX:
> > > > 00000000ffffdfff
> > > > [ 47.727820] RDX: 0000000000000000 RSI: 00000000ffffffea RDI:
> > > > 0000000000000000
> > > > [ 47.729096] RBP: ffffeb2700792380 R08: ffffffffb8144b08 R09:
> > > > 0000000000009ffb
> > > > [ 47.730260] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:
> > > > ffff9e1e1e95b300
> > > > [ 47.731411] R13: 0000000000000000 R14: ffff9e1e1e48e000 R15:
> > > > 0000000000000eb2
> > > > [ 47.732541] FS: 00007f3a82b53700(0000)
> > > > GS:ffff9e1f2bd00000(0000)
> > > > knlGS:0000000000000000
> > > > [ 47.733858] CS: 0010 DS: 0000 ES: 0000 CR0:
> > > > 0000000080050033
> > > > [ 47.734813] CR2: 00000000010d24f8 CR3: 0000000012d6e004 CR4:
> > > > 0000000000370ee0
> > > > [ 47.735968] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> > > > 0000000000000000
> > > > [ 47.737091] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> > > > 0000000000000400
> > > > [ 47.738318] Call Trace:
> > > > [ 47.738812] skb_put.cold+0x10/0x10
> > > > [ 47.739450] page_to_skb+0xe4/0x400
> > > > [ 47.740072] receive_buf+0x86/0x1660
> > > > [ 47.740693] ? inet_gro_receive+0x54/0x2c0
> > > > [ 47.741279] ? dev_gro_receive+0x194/0x6a0
> > > > [ 47.741846] virtnet_poll+0x2b8/0x3c0
> > > > [ 47.742357] __napi_poll+0x25/0x150
> > > > [ 47.742844] net_rx_action+0x22f/0x280
> > > > [ 47.743388] __do_softirq+0xba/0x264
> > > > [ 47.743947] irq_exit_rcu+0x90/0xb0
> > > > [ 47.744435] common_interrupt+0x40/0xa0
> > > > [ 47.744978] ? asm_common_interrupt+0x8/0x40
> > > > [ 47.745582] asm_common_interrupt+0x1e/0x40
> > > > [ 47.746182] RIP: 0033:0x7f3a7a276ed4
> > > > [ 47.746708] Code: a0 03 00 00 c5 fc 29 84 24 40 0f 00 00 c5
> > > > bc
> > > > 54 c8
> > > > c5 7c 28 84 24 80 01 00 00 c5 bc 59 e9 c5 fe 5b ed c5 fd 76 c0
> > > > c5
> > > > d5 fa
> > > > c0 <c5> fd db ec c5 fd 7f 84 24 20 0f 00 00 c5 fc 5b ed c4 e2
> > > > 55 b8
> > > > cb
> > > > [ 47.749292] RSP: 002b:00007f3a82b4dba0 EFLAGS: 00000212
> > > > [ 47.750006] RAX: 00007f3a8c210324 RBX: ffffffffffffffff RCX:
> > > > ffffffffffffffff
> > > > [ 47.750964] RDX: 00007f3a8c210348 RSI: 00007f3a8c21034c RDI:
> > > > 00007f3a7c0575a0
> > > > [ 47.752049] RBP: 00007f3a82b52ca0 R08: 00007f3a8c210350 R09:
> > > > 00007f3a8c210354
> > > > [ 47.753161] R10: 00007f3a8c210358 R11: 000000000000ffef R12:
> > > > 00007f3a8c210340
> > > > [ 47.754260] R13: 00007f3a8c210344 R14: 00007f3a7c057580 R15:
> > > > 00007f3a8c21033c
> > > > [ 47.755354] Modules linked in:
> > > > [ 47.755871] ---[ end trace a8b692ea99c9cd9e ]---
> > > > [ 47.756606] RIP: 0010:skb_panic+0x43/0x45
> > > > [ 47.757297] Code: 4f 70 50 8b 87 bc 00 00 00 50 8b 87 b8 00
> > > > 00
> > > > 00 50
> > > > ff b7 c8 00 00 00 4c 8b 8f c0 00 00 00 48 c7 c7 78 ae ef b7 e8
> > > > 7f
> > > > 4c fb
> > > > ff <0f> 0b 48 8b 14 24 48 c7 c1 a0 22 d1 b7 e8 ab ff ff ff 48
> > > > c7 c6
> > > > e0
> > > > [ 47.760168] RSP: 0000:ffffacec01347c20 EFLAGS: 00010246
> > > > [ 47.760896] RAX: 000000000000008b RBX: 0000000000000010 RCX:
> > > > 00000000ffffdfff
> > > > [ 47.761903] RDX: 0000000000000000 RSI: 00000000ffffffea RDI:
> > > > 0000000000000000
> > > > [ 47.762945] RBP: ffffeb2700792380 R08: ffffffffb8144b08 R09:
> > > > 0000000000009ffb
> > > > [ 47.764059] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:
> > > > ffff9e1e1e95b300
> > > > [ 47.765169] R13: 0000000000000000 R14: ffff9e1e1e48e000 R15:
> > > > 0000000000000eb2
> > > > [ 47.766261] FS: 00007f3a82b53700(0000)
> > > > GS:ffff9e1f2bd00000(0000)
> > > > knlGS:0000000000000000
> > > > [ 47.767512] CS: 0010 DS: 0000 ES: 0000 CR0:
> > > > 0000000080050033
> > > > [ 47.768389] CR2: 00000000010d24f8 CR3: 0000000012d6e004 CR4:
> > > > 0000000000370ee0
> > > > [ 47.769381] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> > > > 0000000000000000
> > > > [ 47.770362] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
> > > > 0000000000000400
> > > > [ 47.771339] Kernel panic - not syncing: Fatal exception in
> > > > interrupt
> > > > [ 47.772814] Kernel Offset: 0x35c00000 from
> > > > 0xffffffff81000000
> > > > (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
> > > >
> > > > I've been able to bisect the issue a little bit and the issue
> > > > disappeared after reverting the 4 following commits:
> > > > * fb32856b16ad9d5bcd75b76a274e2c515ac7b9d7
> > > > * af39c8f72301b268ad8b04bae646b6025918b82b
> > > > * f5d7872a8b8a3176e65dc6f7f0705ce7e9a699e6
> > > > * f80bd740cb7c954791279590b2e810ba6c214e52
> > > >
> > > > Here is my kernel config:
> > > > https://gitlab.freedesktop.org/tintou/mesa/-/blob/e5d6c56bfae8522e924217883d2c6a6bfc1b332b/.gitlab-ci/container/x86_64.config
> > >
> > > Do you have the same problem with 5.13-rc4?
> > >
> > > thanks,
> > >
> > > greg k-h
> >
> > Yes I tried with rc2, rc3 and rc4 resulting to the same panic.
> >
> > Thanks,
> >
>
> Could you provide a stack trace with file names and line numbers ?
>
> (ie use scripts/decode_stacktrace.sh )
>
> Thanks.
Sure, here is the decoded trace:
[ 44.523231] skbuff: skb_over_panic: text:ffffffffad1a8434 len:3762
put:3762 head:ffff9799e6b6b000 data:ffff9799e6b6b010 tail:0xec2
end:0xec0 dev:<NULL>
[ 44.525254] kernel BUG at net/core/skbuff.c:110!
[ 44.525910] invalid opcode: 0000 [#1] SMP PTI
[ 44.526521] CPU: 2 PID: 245 Comm: llvmpipe-0 Not tainted 5.13.0-
rc4linux-v5.13-rc4-for-mesa-ci-184862285c49.tar.bz2 #1
[ 44.528109] Hardware name: ChromiumOS crosvm, BIOS 0
[ 44.529243] RIP: 0010:skb_panic (net/core/skbuff.c:110)
[ 44.530284] Code: 4f 70 50 8b 87 bc 00 00 00 50 8b 87 b8 00 00 00 50
ff b7 c8 00 00 00 4c 8b 8f c0 00 00 00 48 c7 c7 f0 af cf ad e8 43 4c fb
ff <0f> 0b 48 8b 14 24 48 c7 c1 20 23 b1 ad e8 ab ff ff ff 48 c7 c6 60
All code
========
0: 4f 70 50 rex.WRXB jo 0x53
3: 8b 87 bc 00 00 00 mov 0xbc(%rdi),%eax
9: 50 push %rax
a: 8b 87 b8 00 00 00 mov 0xb8(%rdi),%eax
10: 50 push %rax
11: ff b7 c8 00 00 00 pushq 0xc8(%rdi)
17: 4c 8b 8f c0 00 00 00 mov 0xc0(%rdi),%r9
1e: 48 c7 c7 f0 af cf ad mov $0xffffffffadcfaff0,%rdi
25: e8 43 4c fb ff callq 0xfffffffffffb4c6d
2a:* 0f 0b ud2 <-- trapping
instruction
2c: 48 8b 14 24 mov (%rsp),%rdx
30: 48 c7 c1 20 23 b1 ad mov $0xffffffffadb12320,%rcx
37: e8 ab ff ff ff callq 0xffffffffffffffe7
3c: 48 rex.W
3d: c7 .byte 0xc7
3e: c6 (bad)
3f: 60 (bad)
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: 48 8b 14 24 mov (%rsp),%rdx
6: 48 c7 c1 20 23 b1 ad mov $0xffffffffadb12320,%rcx
d: e8 ab ff ff ff callq 0xffffffffffffffbd
12: 48 rex.W
13: c7 .byte 0xc7
14: c6 (bad)
15: 60 (bad)
[ 44.533988] RSP: 0000:ffffa651c134fc20 EFLAGS: 00010246
[ 44.534723] RAX: 000000000000008b RBX: 0000000000000010 RCX:
00000000ffffdfff
[ 44.535772] RDX: 0000000000000000 RSI: 00000000ffffffea RDI:
0000000000000000
[ 44.536693] RBP: ffffd77b009adac0 R08: ffffffffadf44b08 R09:
0000000000009ffb
[ 44.537569] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:
ffff979ad2aa5600
[ 44.538449] R13: 0000000000000000 R14: ffff9799e6b6b000 R15:
0000000000000eb2
[ 44.539300] FS: 00007fdb9cb11700(0000) GS:ffff979aebd00000(0000)
knlGS:0000000000000000
[ 44.540376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 44.541103] CR2: 00007f99099f4024 CR3: 0000000129558005 CR4:
0000000000370ee0
[ 44.542057] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 44.543063] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 44.544063] Call Trace:
[ 44.544385] skb_put.cold (net/core/skbuff.c:5254 (discriminator 1)
net/core/skbuff.c:5252 (discriminator 1))
[ 44.544864] page_to_skb (drivers/net/virtio_net.c:485)
[ 44.545361] receive_buf (drivers/net/virtio_net.c:849
drivers/net/virtio_net.c:1131)
[ 44.545870] ? netif_receive_skb_list_internal (net/core/dev.c:5714)
[ 44.546628] ? dev_gro_receive (net/core/dev.c:6103)
[ 44.547135] ? napi_complete_done (./include/linux/list.h:35
net/core/dev.c:5867 net/core/dev.c:5862 net/core/dev.c:6565)
[ 44.547672] virtnet_poll (drivers/net/virtio_net.c:1427
drivers/net/virtio_net.c:1525)
[ 44.548251] __napi_poll (net/core/dev.c:6985)
[ 44.548744] net_rx_action (net/core/dev.c:7054 net/core/dev.c:7139)
[ 44.549264] __do_softirq (./arch/x86/include/asm/jump_label.h:19
./include/linux/jump_label.h:200 ./include/trace/events/irq.h:142
kernel/softirq.c:560)
[ 44.549762] irq_exit_rcu (kernel/softirq.c:433 kernel/softirq.c:637
kernel/softirq.c:649)
[ 44.551384] common_interrupt (arch/x86/kernel/irq.c:240
(discriminator 13))
[ 44.551991] ? asm_common_interrupt
(./arch/x86/include/asm/idtentry.h:638)
[ 44.552654] asm_common_interrupt
(./arch/x86/include/asm/idtentry.h:638)
[ 44.553276] RIP: 0033:0x7fdb981a82e4
[ 44.553809] Code: d2 48 63 f6 c4 41 7a 6f 0c 01 c4 41 7a 6f 14 09 c4
41 7a 6f 24 11 c4 41 7a 6f 2c 31 c4 c1 31 6a c2 c4 c1 19 6a d5 c5 f9 6c
f2 <c5> 79 6d c2 c5 f9 71 d6 08 c5 f9 db 44 24 20 c5 c1 71 f6 0b c5 f9
All code
========
0: d2 48 63 rorb %cl,0x63(%rax)
3: f6 c4 41 test $0x41,%ah
6: 7a 6f jp 0x77
8: 0c 01 or $0x1,%al
a: c4 41 7a 6f 14 09 vmovdqu (%r9,%rcx,1),%xmm10
10: c4 41 7a 6f 24 11 vmovdqu (%r9,%rdx,1),%xmm12
16: c4 41 7a 6f 2c 31 vmovdqu (%r9,%rsi,1),%xmm13
1c: c4 c1 31 6a c2 vpunpckhdq %xmm10,%xmm9,%xmm0
21: c4 c1 19 6a d5 vpunpckhdq %xmm13,%xmm12,%xmm2
26: c5 f9 6c f2 vpunpcklqdq %xmm2,%xmm0,%xmm6
2a:* c5 79 6d c2 vpunpckhqdq %xmm2,%xmm0,%xmm8
<-- trapping instruction
2e: c5 f9 71 d6 08 vpsrlw $0x8,%xmm6,%xmm0
33: c5 f9 db 44 24 20 vpand 0x20(%rsp),%xmm0,%xmm0
39: c5 c1 71 f6 0b vpsllw $0xb,%xmm6,%xmm7
3e: c5 .byte 0xc5
3f: f9 stc
Code starting with the faulting instruction
===========================================
0: c5 79 6d c2 vpunpckhqdq %xmm2,%xmm0,%xmm8
4: c5 f9 71 d6 08 vpsrlw $0x8,%xmm6,%xmm0
9: c5 f9 db 44 24 20 vpand 0x20(%rsp),%xmm0,%xmm0
f: c5 c1 71 f6 0b vpsllw $0xb,%xmm6,%xmm7
14: c5 .byte 0xc5
15: f9 stc
[ 44.556477] RSP: 002b:00007fdb9cb10240 EFLAGS: 00000202
[ 44.557224] RAX: 0000000000122d40 RBX: 00007fdb5f9e8790 RCX:
0000000000122d40
[ 44.558200] RDX: 0000000000122d40 RSI: 0000000000122d40 RDI:
000055d7049b9368
[ 44.559088] RBP: 00007fdb9cb10ba0 R08: 00007fdb981a5174 R09:
00007fdb5e544040
[ 44.560042] R10: 000000000000ffff R11: 000000000000ffff R12:
0000000000000000
[ 44.560991] R13: 0000000000000000 R14: 0000000000005000 R15:
0000000000000000
[ 44.561965] Modules linked in:
[ 44.562426] ---[ end trace 9a32eb9d31cb21a1 ]---
[ 44.563091] RIP: 0010:skb_panic (net/core/skbuff.c:110)
[ 44.563721] Code: 4f 70 50 8b 87 bc 00 00 00 50 8b 87 b8 00 00 00 50
ff b7 c8 00 00 00 4c 8b 8f c0 00 00 00 48 c7 c7 f0 af cf ad e8 43 4c fb
ff <0f> 0b 48 8b 14 24 48 c7 c1 20 23 b1 ad e8 ab ff ff ff 48 c7 c6 60
All code
========
0: 4f 70 50 rex.WRXB jo 0x53
3: 8b 87 bc 00 00 00 mov 0xbc(%rdi),%eax
9: 50 push %rax
a: 8b 87 b8 00 00 00 mov 0xb8(%rdi),%eax
10: 50 push %rax
11: ff b7 c8 00 00 00 pushq 0xc8(%rdi)
17: 4c 8b 8f c0 00 00 00 mov 0xc0(%rdi),%r9
1e: 48 c7 c7 f0 af cf ad mov $0xffffffffadcfaff0,%rdi
25: e8 43 4c fb ff callq 0xfffffffffffb4c6d
2a:* 0f 0b ud2 <-- trapping
instruction
2c: 48 8b 14 24 mov (%rsp),%rdx
30: 48 c7 c1 20 23 b1 ad mov $0xffffffffadb12320,%rcx
37: e8 ab ff ff ff callq 0xffffffffffffffe7
3c: 48 rex.W
3d: c7 .byte 0xc7
3e: c6 (bad)
3f: 60 (bad)
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: 48 8b 14 24 mov (%rsp),%rdx
6: 48 c7 c1 20 23 b1 ad mov $0xffffffffadb12320,%rcx
d: e8 ab ff ff ff callq 0xffffffffffffffbd
12: 48 rex.W
13: c7 .byte 0xc7
14: c6 (bad)
15: 60 (bad)
[ 44.566252] RSP: 0000:ffffa651c134fc20 EFLAGS: 00010246
[ 44.567051] RAX: 000000000000008b RBX: 0000000000000010 RCX:
00000000ffffdfff
[ 44.567947] RDX: 0000000000000000 RSI: 00000000ffffffea RDI:
0000000000000000
[ 44.568839] RBP: ffffd77b009adac0 R08: ffffffffadf44b08 R09:
0000000000009ffb
[ 44.569725] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:
ffff979ad2aa5600
[ 44.570608] R13: 0000000000000000 R14: ffff9799e6b6b000 R15:
0000000000000eb2
[ 44.571483] FS: 00007fdb9cb11700(0000) GS:ffff979aebd00000(0000)
knlGS:0000000000000000
[ 44.572694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 44.573474] CR2: 00007f99099f4024 CR3: 0000000129558005 CR4:
0000000000370ee0
[ 44.574531] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 44.575597] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 44.576618] Kernel panic - not syncing: Fatal exception in interrupt
[ 44.577996] Kernel Offset: 0x2ba00000 from 0xffffffff81000000
(relocation range: 0xffffffff80000000-0xffffffffbfffffff)
next prev parent reply other threads:[~2021-06-02 17:54 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-01 16:06 virtio-net: kernel panic in virtio_net.c Corentin Noël
2021-06-01 17:07 ` Greg KH
2021-06-01 17:09 ` Corentin Noël
2021-06-01 17:47 ` Eric Dumazet
2021-06-02 2:01 ` Xuan Zhuo
2021-06-02 17:56 ` Corentin Noël
2021-06-02 17:54 ` Corentin Noël [this message]
2021-06-03 2:44 ` Xuan Zhuo
2021-06-03 8:57 ` Corentin Noël
2021-06-08 12:17 ` Greg KH
2021-06-09 1:48 ` Xuan Zhuo
2021-06-09 4:50 ` Greg KH
2021-06-09 6:08 ` Xuan Zhuo
2021-06-09 6:24 ` Greg KH
2021-06-09 7:51 ` Xuan Zhuo
2021-06-09 8:03 ` Greg KH
2021-06-09 8:08 ` Xuan Zhuo
2021-10-07 12:04 Corentin Noël
2021-10-07 13:10 ` Michael S. Tsirkin
2021-10-07 13:51 ` Eric Dumazet
2021-10-07 14:02 ` Corentin Noël
2021-10-07 14:13 ` Greg KH
2021-10-07 15:06 ` Xuan Zhuo
2021-10-07 15:25 ` Greg KH
2021-10-07 16:17 ` Xuan Zhuo
2021-10-08 8:06 ` Greg KH
2021-10-08 10:02 ` Michael S. Tsirkin
2021-10-08 12:21 ` Corentin Noël
2021-10-08 16:27 ` Xuan Zhuo
2021-10-09 5:19 ` Greg KH
2021-10-09 9:31 ` Xuan Zhuo
2021-10-08 7:59 ` Thorsten Leemhuis
2021-10-12 12:44 ` Thorsten Leemhuis
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