From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
To: herbert@gondor.apana.org.au, linux-crypto@vger.kernel.org
Cc: joshua.a.hay@intel.com, steffen.klassert@secunet.com
Subject: Git bisected regression for ipsec/aead
Date: Fri, 19 Aug 2016 15:21:24 -0400 [thread overview]
Message-ID: <20160819192124.GF25320@oracle.com> (raw)
Hi Herbert,
In the process of testing ipsec I ran into panics (details below)
with the algorithm
"aead rfc4106(gcm(aes)) 0x1234567890123456789012345678901234567890 64"
git-bisect analyzed this down to
7271b33cb87e80f3a416fb031ad3ca87f0bea80a is the first bad commit
commit 7271b33cb87e80f3a416fb031ad3ca87f0bea80a
Author: Herbert Xu <herbert@gondor.apana.org.au>
Date: Tue Jun 21 16:55:16 2016 +0800
crypto: ghash-clmulni - Fix cryptd reordering
:
Could you please take a look? here are additional details:
To reproduce the panic, I set up ipsec as follows, on 2 test machines
# #set up laddr to be local interface address, faddr as peer's addres.
# ip x p add dir out src $laddr dst $faddr proto tcp \
tmpl proto esp src $laddr dst $faddr spi 0x00000001 \
mode transport reqid 1
# ip x p add dir in src $laddr dst $faddr proto tcp \
tmpl proto esp dst $laddr src $faddr spi 0x00000001 \
mode transport reqid 1
# ip x s add proto esp src $laddr dst $faddr spi 0x00000001 \
mode transport reqid 1 replay-window 32 \
aead 'rfc4106(gcm(aes))' 0x1234567890123456789012345678901234567890 64 \
sel src $laddr dst $faddr proto tcp
# ip x s add proto esp dst $laddr src $faddr spi 0x00000001 \
mode transport reqid 1 replay-window 32 \
aead 'rfc4106(gcm(aes))' 0x1234567890123456789012345678901234567890 64 \
sel src $laddr dst $faddr proto tcp
Then run iperf i.e., start "iperf -s" on one node (server), and
"iperf -c $faddr -P 1" on the on the other (client). The client will
panic with something like this in the dmesg:
[ 124.627594] BUG: unable to handle kernel paging request at 00000001000000c5
[ 124.627612] ------------[ cut here ]------------
[ 124.627620] WARNING: CPU: 3 PID: 0 at lib/list_debug.c:62 __list_del_entry+0x
86/0xd0
[ 124.627621] list_del corruption. next->prev should be ffff88085cebd168, but w
as 00000000ffffff8d
[ 124.627622] Modules linked in:
:
:
[ 124.627650] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G E 4.7.0-rc1-ipsec-offload-api2+ #15
[ 124.627651] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1.86B.0046.R00.1502111331 02/11/2015
[ 124.627666] [<ffffffff812df929>] dump_stack+0x51/0x78
[ 124.627667] [<ffffffff812fd1c6>] ? __list_del_entry+0x86/0xd0
[ 124.627673] [<ffffffff8106711d>] __warn+0xfd/0x120
[ 124.627676] [<ffffffff810671f9>] warn_slowpath_fmt+0x49/0x50
[ 124.627677] [<ffffffff812fd1c6>] __list_del_entry+0x86/0xd0
[ 124.627683] [<ffffffff8109906b>] detach_tasks+0x1ab/0x280
[ 124.627685] [<ffffffff8109d58b>] load_balance+0x32b/0x860
[ 124.627691] [<ffffffff810cf219>] ? enqueue_hrtimer+0x49/0xa0
[ 124.627693] [<ffffffff810cddbc>] ? run_timer_softirq+0x4c/0x300
[ 124.627695] [<ffffffff8109e064>] rebalance_domains+0x144/0x290
[ 124.627696] [<ffffffff8109e3e9>] run_rebalance_domains+0x49/0x60
[ 124.627701] [<ffffffff816234bb>] __do_softirq+0xeb/0x2d8
[ 124.627703] [<ffffffff810cfa38>] ? hrtimer_interrupt+0xb8/0x170
[ 124.627706] [<ffffffff8106c755>] irq_exit+0xa5/0xb0
[ 124.627708] [<ffffffff816232b6>] smp_apic_timer_interrupt+0x46/0x60
[ 124.627709] [<ffffffff8162198f>] apic_timer_interrupt+0x7f/0x90
[ 124.627709] <EOI>
[ 124.627716] [<ffffffff814fe369>] ? cpuidle_enter_state+0xc9/0x2d0
[ 124.627718] [<ffffffff814fe35b>] ? cpuidle_enter_state+0xbb/0x2d0
[ 124.627719] [<ffffffff814ff833>] ? menu_select+0x103/0x3a0
[ 124.627721] [<ffffffff814fe587>] cpuidle_enter+0x17/0x20
[ 124.627723] [<ffffffff810a600e>] call_cpuidle+0x2e/0x40
[ 124.627724] [<ffffffff810a6088>] cpuidle_idle_call+0x68/0x100
[ 124.627725] [<ffffffff810a6275>] cpu_idle_loop+0x155/0x240
[ 124.627726] [<ffffffff810a6381>] cpu_startup_entry+0x21/0x30
[ 124.627732] [<ffffffff810441c3>] start_secondary+0x73/0x80
[ 124.627733] ---[ end trace d9352c1808e65391 ]---
[ 124.640240] paging request
[ 124.640557] at 00000001000000c5
:
[ 124.640809] IP: [<ffffffff810975a6>] account_system_time+0x66/0x130
[ 124.641146] PGD 85a8c3067 PUD 0
[ 124.641533] Thread overran stack, or stack corrupted
[ 124.641795] Oops: 0000 [#1] SMP
[ 124.642049] Modules linked in: seqiv esp4 xfrm4_mode_transport sha256_generic drbg ansi_cprng ctr ghash_generic gf128mul ghash_clmulni_intel cryptd gcm autofs4 8021q garp stp llc sunrpc cpufreq_ondemand ipv6 iTCO_wdt iTCO_vendor_support pcspkr i40e i2c_i801 i2c_core sg lpc_ich mfd_core xhci_pci xhci_hcd ixgbe dca hwmon mdio hed wmi ipmi_si ipmi_msghandler acpi_cpufreq acpi_pad ext4(E) mbcache(E) jbd2(E) sd_mod(E) sr_mod(E) cdrom(E) ahci(E) libahci(E) dm_mirror(E) dm_region_hash(E) dm_log(E) dm_mod(E)
[ 124.647568] Hardware name: Intel Corporation S2600WTT/S2600WTT, BIOS GRNDSDP1
.86B.0046.R00.1502111331 02/11/2015
[ 124.648027] task: ffff88085f344100 ti: ffff88085f348000 task.ti: ffff880855cb
b2e0
[ 124.648293] RIP: 0010:[<ffffffff810975a6>] [<ffffffff810975a6>] account_system_time+0x66/0x130
[ 124.648814] RSP: 0018:ffff88087ec03d68 EFLAGS: 00010086
[ 124.649075] RAX: 0000000000010000 RBX: ffff88085f344100 RCX: 00000000ffffff8d
[ 124.649342] RDX: 0000000000000001 RSI: 0000000000000002 RDI: 0000000000000000
[ 124.649609] RBP: ffff88087ec03d88 R08: 0000000000010000 R09: ffff880855cbb2a8
[ 124.649877] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[ 124.650143] R13: ffff88085f32edd8 R14: ffff88087ec0fc80 R15: 0000001cdb6654dd
[ 124.650409] FS: 0000000000000000(0000) GS:ffff88087ec00000(0000) knlGS:0000000000000000
[ 124.650676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 124.650939] CR2: 00000001000000c5 CR3: 00000008564c3000 CR4: 00000000001406f0
[ 124.651204] Stack:
[ 124.651452] 0000000000000000 ffff88087ec03d70 ffff88087ec03d70 ffff88085f344100
[ 124.651983] ffff88087ec03da8 ffffffff81097730 ffff88087ec03dc8 ffff88087ec03e48
[ 124.653046] Call Trace:
[ 124.653296] <IRQ>
[ 124.653368] [<ffffffff81097730>] account_process_tick+0x40/0xa0
[ 124.653878] [<ffffffff810cc84c>] update_process_times+0x2c/0x70
[ 124.654143] [<ffffffff810de2d7>] tick_sched_handle+0x37/0x70
[ 124.654405] [<ffffffff810ded52>] tick_sched_timer+0x52/0xa0
[ 124.654666] [<ffffffff810cf685>] __run_hrtimer+0x85/0x210
[ 124.654926] [<ffffffff810ded00>] ? tick_nohz_handler+0xc0/0xc0
[ 124.655193] [<ffffffff810bbff8>] ? handle_irq_event_percpu+0xb8/0x1f0
[ 124.655459] [<ffffffff810cf877>] __hrtimer_run_queues+0x67/0x90
[ 124.655724] [<ffffffff810cfa1b>] hrtimer_interrupt+0x9b/0x170
[ 124.655987] [<ffffffff810451e9>] local_apic_timer_interrupt+0x39/0x60
[ 124.656252] [<ffffffff816232b1>] smp_apic_timer_interrupt+0x41/0x60
[ 124.656516] [<ffffffff8162198f>] apic_timer_interrupt+0x7f/0x90
[ 124.656777] <EOI>
:
next reply other threads:[~2016-08-19 19:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-19 19:21 Sowmini Varadhan [this message]
2016-08-25 8:49 ` Git bisected regression for ipsec/aead Herbert Xu
2016-08-25 15:45 ` Sowmini Varadhan
2016-08-27 10:13 ` Sowmini Varadhan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160819192124.GF25320@oracle.com \
--to=sowmini.varadhan@oracle.com \
--cc=herbert@gondor.apana.org.au \
--cc=joshua.a.hay@intel.com \
--cc=linux-crypto@vger.kernel.org \
--cc=steffen.klassert@secunet.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.