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Date: Tue, 27 Sep 2022 19:05:44 +0300
From: Martin Zaharinov <micron10@...il.com>
To: Florian Westphal <fw@...len.de>
Cc: Michal Hocko <mhocko@...e.com>, netdev <netdev@...r.kernel.org>,
tgraf@...g.ch, urezki@...il.com, Paolo Abeni <pabeni@...hat.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, herbert@...dor.apana.org.au,
"linux-kernel@...r kernel. org" <linux-kernel@...r.kernel.org>,
akpm@...ux-foundation.org, Paolo Bonzini <pbonzini@...hat.com>,
kvm@...r.kernel.org, david.switzer@...el.com,
Intel-wired-lan@...osl.org, intel-wired-lan@...ts.osuosl.org,
anthony.l.nguyen@...el.com
Subject: Re: [PATCH net] rhashtable: fix crash due to mm api change
And one more from last min
this is with kernel 5.19.11
super simple rull is added
Sep 27 17:44:21 [ 1735.081099][T89195] rcu: INFO: rcu_sched detected expedited stalls on CPUs/tasks: { 8-... } 2159 jiffies s: 16725 root: 0x1/.
Sep 27 17:44:21 [ 1735.083787][T89195] rcu: blocking rcu_node structures (internal RCU debug): l=1:0-13:0x100/.
Sep 27 17:44:21 [ 1735.085608][T89195] Task dump for CPU 8:
Sep 27 17:44:21 [ 1735.087666][T89195] task:kresd state:R running task stack: 0 pid: 1464 ppid: 1456 flags:0x00000008
Sep 27 17:44:21 [ 1735.090542][T89195] Call Trace:
Sep 27 17:44:21 [ 1735.091502][T89195] <TASK>
Sep 27 17:44:21 [ 1735.091887][T89195] ? nf_confirm+0x4f/0x110 [nf_conntrack]
Sep 27 17:44:21 [ 1735.092660][T89195] ? nf_confirm+0x4f/0x110 [nf_conntrack]
Sep 27 17:44:21 [ 1735.093432][T89195] ? nf_hook_slow+0x36/0xa0
Sep 27 17:44:21 [ 1735.094034][T89195] ? ip_output+0xa3/0xc0
Sep 27 17:44:21 [ 1735.094598][T89195] ? lookup+0x64/0xf0
Sep 27 17:44:21 [ 1735.095125][T89195] ? ip_output+0xc0/0xc0
Sep 27 17:44:21 [ 1735.095686][T89195] ? __netif_receive_skb_one_core+0x3f/0x50
Sep 27 17:44:21 [ 1735.096476][T89195] ? process_backlog+0x7c/0x110
Sep 27 17:44:21 [ 1735.097122][T89195] ? __napi_poll+0x20/0x100
Sep 27 17:44:21 [ 1735.097720][T89195] ? net_rx_action+0x26d/0x330
Sep 27 17:44:21 [ 1735.098354][T89195] ? __do_softirq+0xaf/0x1d7
Sep 27 17:44:21 [ 1735.098963][T89195] ? __irq_exit_rcu+0x9a/0xd0
Sep 27 17:44:21 [ 1735.099586][T89195] ? sysvec_call_function_single+0x32/0x80
Sep 27 17:44:21 [ 1735.100362][T89195] ? asm_sysvec_call_function_single+0x16/0x20
Sep 27 17:44:21 [ 1735.101194][T89195] </TASK>
Sep 27 17:44:57 [ 1771.191089][ C8] rcu: INFO: rcu_sched self-detected stall on CPU
Sep 27 17:44:57 [ 1771.191955][ C8] rcu: 8-....: (1 GPs behind) idle=915/1/0x4000000000000000 softirq=176180/176181 fqs=2489
Sep 27 17:44:57 [ 1771.193321][ C8] (t=6001 jiffies g=178373 q=403611 ncpus=28)
Sep 27 17:44:57 [ 1771.194141][ C8] NMI backtrace for cpu 8
Sep 27 17:44:57 [ 1771.194709][ C8] CPU: 8 PID: 1464 Comm: kresd Tainted: G O 5.19.11 #1
Sep 27 17:44:57 [ 1771.195799][ C8] Hardware name: Supermicro Super Server/X10SRD-F, BIOS 3.3 10/28/2020
Sep 27 17:44:57 [ 1771.196901][ C8] Call Trace:
Sep 27 17:44:57 [ 1771.197330][ C8] <IRQ>
Sep 27 17:44:57 [ 1771.197697][ C8] dump_stack_lvl+0x33/0x42
Sep 27 17:44:57 [ 1771.198297][ C8] nmi_cpu_backtrace.cold+0x32/0x75
Sep 27 17:44:57 [ 1771.198988][ C8] ? lapic_can_unplug_cpu+0x60/0x60
Sep 27 17:44:57 [ 1771.199679][ C8] nmi_trigger_cpumask_backtrace+0xf3/0x100
Sep 27 17:44:57 [ 1771.200465][ C8] trigger_single_cpu_backtrace+0x2a/0x2d
Sep 27 17:44:57 [ 1771.201226][ C8] rcu_dump_cpu_stacks+0x9a/0xd3
Sep 27 17:44:57 [ 1771.201879][ C8] print_cpu_stall.cold+0xd0/0x1f8
Sep 27 17:44:57 [ 1771.202556][ C8] check_cpu_stall+0xc7/0x1e0
Sep 27 17:44:57 [ 1771.203174][ C8] rcu_sched_clock_irq+0x16c/0x2c0
Sep 27 17:44:57 [ 1771.203851][ C8] update_process_times+0x56/0x90
Sep 27 17:44:57 [ 1771.204520][ C8] tick_sched_timer+0x69/0xa0
Sep 27 17:44:57 [ 1771.205139][ C8] ? tick_sched_do_timer+0xa0/0xa0
Sep 27 17:44:57 [ 1771.205815][ C8] __hrtimer_run_queues+0xff/0x1a0
Sep 27 17:44:57 [ 1771.206492][ C8] hrtimer_interrupt+0xee/0x200
Sep 27 17:44:57 [ 1771.207132][ C8] __sysvec_apic_timer_interrupt+0x47/0x60
Sep 27 17:44:57 [ 1771.232875][ C8] sysvec_apic_timer_interrupt+0x61/0x80
Sep 27 17:44:57 [ 1771.258765][ C8] </IRQ>
Sep 27 17:44:57 [ 1771.284425][ C8] <TASK>
Sep 27 17:44:57 [ 1771.308866][ C8] asm_sysvec_apic_timer_interrupt+0x16/0x20
Sep 27 17:44:57 [ 1771.332920][ C8] RIP: 0010:queued_spin_lock_slowpath+0x41/0x1a0
Sep 27 17:44:57 [ 1771.356563][ C8] Code: 08 0f 92 c1 8b 02 0f b6 c9 c1 e1 08 30 e4 09 c8 3d ff 00 00 00 0f 87 f5 00 00 00 85 c0 74 0f 8b 02 84 c0 74 09 0f ae e8 8b 02 <84> c0 75 f7 b8 01 00 00 00 66 89 02 c3 8b 37 b8 00 02 00 00 81 fe
Sep 27 17:44:57 [ 1771.405388][ C8] RSP: 0000:ffffa03dc3e3faf8 EFLAGS: 00000202
Sep 27 17:44:57 [ 1771.429444][ C8] RAX: 0000000000000101 RBX: ffff9d530e975a48 RCX: 0000000000000000
Sep 27 17:44:57 [ 1771.454289][ C8] RDX: ffff9d5380235d04 RSI: 0000000000000001 RDI: ffff9d5380235d04
Sep 27 17:44:57 [ 1771.479285][ C8] RBP: ffff9d5380235d04 R08: 0000000000000056 R09: 0000000000000030
Sep 27 17:44:57 [ 1771.504541][ C8] R10: c3acfae79ca90a0d R11: ffffa03dc3e30a0d R12: 0000000064a1ac01
Sep 27 17:44:57 [ 1771.529954][ C8] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
Sep 27 17:44:57 [ 1771.555591][ C8] nf_ct_seqadj_set+0x55/0xd0 [nf_conntrack]
Sep 27 17:44:57 [ 1771.581511][ C8] __nf_nat_mangle_tcp_packet+0x102/0x160 [nf_nat]
Sep 27 17:44:57 [ 1771.607825][ C8] nf_nat_ftp+0x175/0x267 [nf_nat_ftp]
Sep 27 17:44:57 [ 1771.634121][ C8] ? fib_validate_source+0x37/0xd0
Sep 27 17:44:57 [ 1771.660376][ C8] ? help+0x4d5/0x6a0 [nf_conntrack_ftp]
Sep 27 17:44:57 [ 1771.686819][ C8] help+0x4d5/0x6a0 [nf_conntrack_ftp]
Sep 27 17:44:58 [ 1771.713440][ C8] ? nf_confirm+0x4f/0x110 [nf_conntrack]
Sep 27 17:44:58 [ 1771.740264][ C8] nf_confirm+0x4f/0x110 [nf_conntrack]
Sep 27 17:44:58 [ 1771.767269][ C8] nf_hook_slow+0x36/0xa0
Sep 27 17:44:58 [ 1771.794059][ C8] ip_output+0xa3/0xc0
Sep 27 17:44:58 [ 1771.820540][ C8] ? lookup+0x64/0xf0
Sep 27 17:44:58 [ 1771.846733][ C8] ? ip_output+0xc0/0xc0
Sep 27 17:44:58 [ 1771.872583][ C8] __netif_receive_skb_one_core+0x3f/0x50
Sep 27 17:44:58 [ 1771.898175][ C8] process_backlog+0x7c/0x110
Sep 27 17:44:58 [ 1771.923064][ C8] __napi_poll+0x20/0x100
Sep 27 17:44:58 [ 1771.947723][ C8] net_rx_action+0x26d/0x330
Sep 27 17:44:58 [ 1771.972155][ C8] __do_softirq+0xaf/0x1d7
Sep 27 17:44:58 [ 1771.996127][ C8] __irq_exit_rcu+0x9a/0xd0
Sep 27 17:44:58 [ 1772.019663][ C8] sysvec_call_function_single+0x32/0x80
Sep 27 17:44:58 [ 1772.043684][ C8] asm_sysvec_call_function_single+0x16/0x20
Sep 27 17:44:58 [ 1772.067955][ C8] RIP: 0033:0x7fbd49d8d14a
Sep 27 17:44:58 [ 1772.092161][ C8] Code: 7f 44 24 24 89 44 24 20 48 89 5c 24 28 c5 fa 7f 44 24 34 c5 fa 7f 44 24 40 48 8b 52 20 48 89 54 24 30 48 85 d2 74 2b 48 8b 12 <48> 85 d2 74 23 48 8d 7c 24 20 ff d2 83 f8 1f 89 83 80 00 00 00 c5
Sep 27 17:44:58 [ 1772.143922][ C8] RSP: 002b:00007ffdb7a5cdf0 EFLAGS: 00000206
Sep 27 17:44:58 [ 1772.170005][ C8] RAX: 0000000000000002 RBX: 00000000013c4800 RCX: 0000000000439f68
Sep 27 17:44:58 [ 1772.196517][ C8] RDX: 0000000000416130 RSI: 0000000000000010 RDI: 00007ffdb7a5ce10
Sep 27 17:44:58 [ 1772.223054][ C8] RBP: 000000000000000e R08: 0000000040ad2a60 R09: 0000000000000000
Sep 27 17:44:58 [ 1772.249734][ C8] R10: 0000000000000013 R11: 0000000000000000 R12: 00000000013c5360
Sep 27 17:44:58 [ 1772.276290][ C8] R13: 0000000000ff5c40 R14: 000000000000001c R15: 0000000000000001
Sep 27 17:44:58 [ 1772.302794][ C8] </TASK>
Sep 27 17:45:26 [ 1800.361125][T89195] rcu: INFO: rcu_sched detected expedited stalls on CPUs/tasks: { 8-... } 8687 jiffies s: 16725 root: 0x1/.
Sep 27 17:45:26 [ 1800.392199][T89195] rcu: blocking rcu_node structures (internal RCU debug): l=1:0-13:0x100/.
Sep 27 17:45:26 [ 1800.420803][T89195] Task dump for CPU 8:
Sep 27 17:45:26 [ 1800.449235][T89195] task:kresd state:R running task stack: 0 pid: 1464 ppid: 1456 flags:0x00000008
Sep 27 17:45:26 [ 1800.478999][T89195] Call Trace:
Sep 27 17:45:26 [ 1800.508083][T89195] <TASK>
Sep 27 17:45:26 [ 1800.536826][T89195] ? nf_confirm+0x4f/0x110 [nf_conntrack]
Sep 27 17:45:26 [ 1800.566367][T89195] ? nf_confirm+0x4f/0x110 [nf_conntrack]
Sep 27 17:45:26 [ 1800.595401][T89195] ? nf_hook_slow+0x36/0xa0
Sep 27 17:45:26 [ 1800.624112][T89195] ? ip_output+0xa3/0xc0
Sep 27 17:45:26 [ 1800.652046][T89195] ? lookup+0x64/0xf0
Sep 27 17:45:26 [ 1800.679181][T89195] ? ip_output+0xc0/0xc0
Sep 27 17:45:26 [ 1800.705678][T89195] ? __netif_receive_skb_one_core+0x3f/0x50
Sep 27 17:45:27 [ 1800.732226][T89195] ? process_backlog+0x7c/0x110
Sep 27 17:45:27 [ 1800.758487][T89195] ? __napi_poll+0x20/0x100
Sep 27 17:45:27 [ 1800.784746][T89195] ? net_rx_action+0x26d/0x330
Sep 27 17:45:27 [ 1800.810794][T89195] ? __do_softirq+0xaf/0x1d7
Sep 27 17:45:27 [ 1800.836683][T89195] ? __irq_exit_rcu+0x9a/0xd0
Sep 27 17:45:27 [ 1800.862119][T89195] ? sysvec_call_function_single+0x32/0x80
Sep 27 17:45:27 [ 1800.887609][T89195] ? asm_sysvec_call_function_single+0x16/0x20
Sep 27 17:45:27 [ 1800.913054][T89195] </TASK>
Sep 27 17:46:33 [ 1866.911097][T89195] rcu: INFO: rcu_sched detected expedited stalls on CPUs/tasks: { 8-... } 15342 jiffies s: 16725 root: 0x1/.
Sep 27 17:46:33 [ 1866.965641][T89195] rcu: blocking rcu_node structures (internal RCU debug): l=1:0-13:0x100/.
Sep 27 17:46:33 [ 1866.994270][T89195] Task dump for CPU 8:
Sep 27 17:46:33 [ 1867.022843][T89195] task:kresd state:R running task stack: 0 pid: 1464 ppid: 1456 flags:0x00000008
Sep 27 17:46:33 [ 1867.052481][T89195] Call Trace:
Sep 27 17:46:33 [ 1867.081754][T89195] <TASK>
Sep 27 17:46:33 [ 1867.111147][T89195] ? nf_confirm+0x4f/0x110 [nf_conntrack]
Sep 27 17:46:33 [ 1867.140201][T89195] ? nf_confirm+0x4f/0x110 [nf_conntrack]
Sep 27 17:46:33 [ 1867.168819][T89195] ? nf_hook_slow+0x36/0xa0
Sep 27 17:46:33 [ 1867.197208][T89195] ? ip_output+0xa3/0xc0
Sep 27 17:46:33 [ 1867.225489][T89195] ? lookup+0x64/0xf0
Sep 27 17:46:33 [ 1867.253674][T89195] ? ip_output+0xc0/0xc0
Sep 27 17:46:33 [ 1867.281801][T89195] ? __netif_receive_skb_one_core+0x3f/0x50
Sep 27 17:46:33 [ 1867.310354][T89195] ? process_backlog+0x7c/0x110
Sep 27 17:46:33 [ 1867.338751][T89195] ? __napi_poll+0x20/0x100
Sep 27 17:46:33 [ 1867.366923][T89195] ? net_rx_action+0x26d/0x330
Sep 27 17:46:33 [ 1867.394906][T89195] ? __do_softirq+0xaf/0x1d7
Sep 27 17:46:33 [ 1867.422255][T89195] ? __irq_exit_rcu+0x9a/0xd0
Sep 27 17:46:33 [ 1867.448856][T89195] ? sysvec_call_function_single+0x32/0x80
Sep 27 17:46:33 [ 1867.475125][T89195] ? asm_sysvec_call_function_single+0x16/0x20
Sep 27 17:46:33 [ 1867.501298][T89195] </TASK>
Sep 27 17:46:40 [ 1873.721122][ C8] watchdog: BUG: soft lockup - CPU#8 stuck for 164s! [kresd:1464]
Sep 27 17:46:40 [ 1873.748081][ C8] Modules linked in: nf_conntrack_netlink pppoe pppox ppp_generic slhc nft_nat nft_chain_nat nf_tables netconsole coretemp bonding ixgbe mdio_devres libphy mdio i40e nf_nat_sip nf_conntrack_sip nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_ftp nf_conntrack_ftp nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 acpi_ipmi ipmi_si ipmi_devintf ipmi_msghandler rtc_cmos
Sep 27 17:46:40 [ 1873.865737][ C8] CPU: 8 PID: 1464 Comm: kresd Tainted: G O 5.19.11 #1
Sep 27 17:46:40 [ 1873.895359][ C8] Hardware name: Supermicro Super Server/X10SRD-F, BIOS 3.3 10/28/2020
Sep 27 17:46:40 [ 1873.924970][ C8] RIP: 0010:queued_spin_lock_slowpath+0x41/0x1a0
Sep 27 17:46:40 [ 1873.954233][ C8] Code: 08 0f 92 c1 8b 02 0f b6 c9 c1 e1 08 30 e4 09 c8 3d ff 00 00 00 0f 87 f5 00 00 00 85 c0 74 0f 8b 02 84 c0 74 09 0f ae e8 8b 02 <84> c0 75 f7 b8 01 00 00 00 66 89 02 c3 8b 37 b8 00 02 00 00 81 fe
Sep 27 17:46:40 [ 1874.014909][ C8] RSP: 0000:ffffa03dc3e3faf8 EFLAGS: 00000202
Sep 27 17:46:40 [ 1874.045586][ C8] RAX: 0000000000000101 RBX: ffff9d530e975a48 RCX: 0000000000000000
Sep 27 17:46:40 [ 1874.077184][ C8] RDX: ffff9d5380235d04 RSI: 0000000000000001 RDI: ffff9d5380235d04
Sep 27 17:46:40 [ 1874.108938][ C8] RBP: ffff9d5380235d04 R08: 0000000000000056 R09: 0000000000000030
Sep 27 17:46:40 [ 1874.140729][ C8] R10: c3acfae79ca90a0d R11: ffffa03dc3e30a0d R12: 0000000064a1ac01
Sep 27 17:46:40 [ 1874.172825][ C8] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
Sep 27 17:46:40 [ 1874.205141][ C8] FS: 00007fbd49128480(0000) GS:ffff9d599f800000(0000) knlGS:0000000000000000
Sep 27 17:46:40 [ 1874.237881][ C8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Sep 27 17:46:40 [ 1874.270556][ C8] CR2: 00007f4ebef14340 CR3: 000000010c1d3002 CR4: 00000000003706e0
Sep 27 17:46:40 [ 1874.303788][ C8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Sep 27 17:46:40 [ 1874.337086][ C8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Sep 27 17:46:40 [ 1874.370185][ C8] Call Trace:
Sep 27 17:46:40 [ 1874.403088][ C8] <TASK>
Sep 27 17:46:40 [ 1874.435656][ C8] nf_ct_seqadj_set+0x55/0xd0 [nf_conntrack]
Sep 27 17:46:40 [ 1874.468668][ C8] __nf_nat_mangle_tcp_packet+0x102/0x160 [nf_nat]
Sep 27 17:46:40 [ 1874.501744][ C8] nf_nat_ftp+0x175/0x267 [nf_nat_ftp]
Sep 27 17:46:40 [ 1874.534162][ C8] ? fib_validate_source+0x37/0xd0
Sep 27 17:46:40 [ 1874.565710][ C8] ? help+0x4d5/0x6a0 [nf_conntrack_ftp]
Sep 27 17:46:40 [ 1874.596768][ C8] help+0x4d5/0x6a0 [nf_conntrack_ftp]
Sep 27 17:46:40 [ 1874.627460][ C8] ? nf_confirm+0x4f/0x110 [nf_conntrack]
Sep 27 17:46:40 [ 1874.657731][ C8] nf_confirm+0x4f/0x110 [nf_conntrack]
Sep 27 17:46:40 [ 1874.687632][ C8] nf_hook_slow+0x36/0xa0
Sep 27 17:46:41 [ 1874.717588][ C8] ip_output+0xa3/0xc0
Sep 27 17:46:41 [ 1874.747307][ C8] ? lookup+0x64/0xf0
Sep 27 17:46:41 [ 1874.777213][ C8] ? ip_output+0xc0/0xc0
Sep 27 17:46:41 [ 1874.806970][ C8] __netif_receive_skb_one_core+0x3f/0x50
Sep 27 17:46:41 [ 1874.837154][ C8] process_backlog+0x7c/0x110
Sep 27 17:46:41 [ 1874.867402][ C8] __napi_poll+0x20/0x100
Sep 27 17:46:41 [ 1874.897688][ C8] net_rx_action+0x26d/0x330
Sep 27 17:46:41 [ 1874.927823][ C8] __do_softirq+0xaf/0x1d7
Sep 27 17:46:41 [ 1874.957806][ C8] __irq_exit_rcu+0x9a/0xd0
Sep 27 17:46:41 [ 1874.987741][ C8] sysvec_call_function_single+0x32/0x80
Sep 27 17:46:41 [ 1875.017970][ C8] asm_sysvec_call_function_single+0x16/0x20
Sep 27 17:46:41 [ 1875.048447][ C8] RIP: 0033:0x7fbd49d8d14a
Sep 27 17:46:41 [ 1875.078930][ C8] Code: 7f 44 24 24 89 44 24 20 48 89 5c 24 28 c5 fa 7f 44 24 34 c5 fa 7f 44 24 40 48 8b 52 20 48 89 54 24 30 48 85 d2 74 2b 48 8b 12 <48> 85 d2 74 23 48 8d 7c 24 20 ff d2 83 f8 1f 89 83 80 00 00 00 c5
Sep 27 17:46:41 [ 1875.142896][ C8] RSP: 002b:00007ffdb7a5cdf0 EFLAGS: 00000206
Sep 27 17:46:41 [ 1875.175027][ C8] RAX: 0000000000000002 RBX: 00000000013c4800 RCX: 0000000000439f68
Sep 27 17:46:41 [ 1875.207293][ C8] RDX: 0000000000416130 RSI: 0000000000000010 RDI: 00007ffdb7a5ce10
Sep 27 17:46:41 [ 1875.238751][ C8] RBP: 000000000000000e R08: 0000000040ad2a60 R09: 0000000000000000
Sep 27 17:46:41 [ 1875.269189][ C8] R10: 0000000000000013 R11: 0000000000000000 R12: 00000000013c5360
Sep 27 17:46:41 [ 1875.298480][ C8] R13: 0000000000ff5c40 R14: 000000000000001c R15: 0000000000000001
Sep 27 17:46:41 [ 1875.326620][ C8] </TASK>
Sep 27 17:46:41 [ 1875.354008][ C8] Kernel panic - not syncing: softlockup: hung tasks
Sep 27 17:46:41 [ 1875.381653][ C8] CPU: 8 PID: 1464 Comm: kresd Tainted: G O L 5.19.11 #1
Sep 27 17:46:41 [ 1875.409432][ C8] Hardware name: Supermicro Super Server/X10SRD-F, BIOS 3.3 10/28/2020
Sep 27 17:46:41 [ 1875.437033][ C8] Call Trace:
Sep 27 17:46:41 [ 1875.463682][ C8] <IRQ>
Sep 27 17:46:41 [ 1875.489514][ C8] dump_stack_lvl+0x33/0x42
Sep 27 17:46:41 [ 1875.515233][ C8] panic+0xea/0x24b
Sep 27 17:46:41 [ 1875.540597][ C8] watchdog_timer_fn.cold+0xc/0x16
Sep 27 17:46:41 [ 1875.566205][ C8] ? lockup_detector_update_enable+0x50/0x50
Sep 27 17:46:41 [ 1875.591890][ C8] __hrtimer_run_queues+0xff/0x1a0
Sep 27 17:46:41 [ 1875.617527][ C8] hrtimer_interrupt+0xee/0x200
Sep 27 17:46:41 [ 1875.642734][ C8] __sysvec_apic_timer_interrupt+0x47/0x60
Sep 27 17:46:41 [ 1875.667848][ C8] sysvec_apic_timer_interrupt+0x61/0x80
Sep 27 17:46:41 [ 1875.692727][ C8] </IRQ>
Sep 27 17:46:42 [ 1875.717341][ C8] <TASK>
Sep 27 17:46:42 [ 1875.741909][ C8] asm_sysvec_apic_timer_interrupt+0x16/0x20
Sep 27 17:46:42 [ 1875.766680][ C8] RIP: 0010:queued_spin_lock_slowpath+0x41/0x1a0
Sep 27 17:46:42 [ 1875.791892][ C8] Code: 08 0f 92 c1 8b 02 0f b6 c9 c1 e1 08 30 e4 09 c8 3d ff 00 00 00 0f 87 f5 00 00 00 85 c0 74 0f 8b 02 84 c0 74 09 0f ae e8 8b 02 <84> c0 75 f7 b8 01 00 00 00 66 89 02 c3 8b 37 b8 00 02 00 00 81 fe
Sep 27 17:46:42 [ 1875.844741][ C8] RSP: 0000:ffffa03dc3e3faf8 EFLAGS: 00000202
Sep 27 17:46:42 [ 1875.871204][ C8] RAX: 0000000000000101 RBX: ffff9d530e975a48 RCX: 0000000000000000
Sep 27 17:46:42 [ 1875.898137][ C8] RDX: ffff9d5380235d04 RSI: 0000000000000001 RDI: ffff9d5380235d04
Sep 27 17:46:42 [ 1875.925237][ C8] RBP: ffff9d5380235d04 R08: 0000000000000056 R09: 0000000000000030
Sep 27 17:46:42 [ 1875.952188][ C8] R10: c3acfae79ca90a0d R11: ffffa03dc3e30a0d R12: 0000000064a1ac01
Sep 27 17:46:42 [ 1875.979203][ C8] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000001
Sep 27 17:46:42 [ 1876.006215][ C8] nf_ct_seqadj_set+0x55/0xd0 [nf_conntrack]
Sep 27 17:46:42 [ 1876.033350][ C8] __nf_nat_mangle_tcp_packet+0x102/0x160 [nf_nat]
Sep 27 17:46:42 [ 1876.060859][ C8] nf_nat_ftp+0x175/0x267 [nf_nat_ftp]
Sep 27 17:46:42 [ 1876.088553][ C8] ? fib_validate_source+0x37/0xd0
Sep 27 17:46:42 [ 1876.116413][ C8] ? help+0x4d5/0x6a0 [nf_conntrack_ftp]
Sep 27 17:46:42 [ 1876.144288][ C8] help+0x4d5/0x6a0 [nf_conntrack_ftp]
Sep 27 17:46:42 [ 1876.172144][ C8] ? nf_confirm+0x4f/0x110 [nf_conntrack]
Sep 27 17:46:42 [ 1876.200192][ C8] nf_confirm+0x4f/0x110 [nf_conntrack]
Sep 27 17:46:42 [ 1876.228400][ C8] nf_hook_slow+0x36/0xa0
Sep 27 17:46:42 [ 1876.256523][ C8] ip_output+0xa3/0xc0
Sep 27 17:46:42 [ 1876.284609][ C8] ? lookup+0x64/0xf0
Sep 27 17:46:42 [ 1876.312480][ C8] ? ip_output+0xc0/0xc0
Sep 27 17:46:42 [ 1876.340113][ C8] __netif_receive_skb_one_core+0x3f/0x50
Sep 27 17:46:42 [ 1876.367905][ C8] process_backlog+0x7c/0x110
Sep 27 17:46:42 [ 1876.395100][ C8] __napi_poll+0x20/0x100
Sep 27 17:46:42 [ 1876.421492][ C8] net_rx_action+0x26d/0x330
Sep 27 17:46:42 [ 1876.447303][ C8] __do_softirq+0xaf/0x1d7
Sep 27 17:46:42 [ 1876.472769][ C8] __irq_exit_rcu+0x9a/0xd0
Sep 27 17:46:42 [ 1876.498153][ C8] sysvec_call_function_single+0x32/0x80
Sep 27 17:46:42 [ 1876.523775][ C8] asm_sysvec_call_function_single+0x16/0x20
Sep 27 17:46:42 [ 1876.549695][ C8] RIP: 0033:0x7fbd49d8d14a
Sep 27 17:46:42 [ 1876.575681][ C8] Code: 7f 44 24 24 89 44 24 20 48 89 5c 24 28 c5 fa 7f 44 24 34 c5 fa 7f 44 24 40 48 8b 52 20 48 89 54 24 30 48 85 d2 74 2b 48 8b 12 <48> 85 d2 74 23 48 8d 7c 24 20 ff d2 83 f8 1f 89 83 80 00 00 00 c5
Sep 27 17:46:42 [ 1876.629976][ C8] RSP: 002b:00007ffdb7a5cdf0 EFLAGS: 00000206
Sep 27 17:46:42 [ 1876.657077][ C8] RAX: 0000000000000002 RBX: 00000000013c4800 RCX: 0000000000439f68
Sep 27 17:46:42 [ 1876.684247][ C8] RDX: 0000000000416130 RSI: 0000000000000010 RDI: 00007ffdb7a5ce10
Sep 27 17:46:43 [ 1876.711049][ C8] RBP: 000000000000000e R08: 0000000040ad2a60 R09: 0000000000000000
Sep 27 17:46:43 [ 1876.738070][ C8] R10: 0000000000000013 R11: 0000000000000000 R12: 00000000013c5360
Sep 27 17:46:43 [ 1876.765026][ C8] R13: 0000000000ff5c40 R14: 000000000000001c R15: 0000000000000001
Sep 27 17:46:43 [ 1876.791891][ C8] </TASK>
Sep 27 17:46:43 [ 1876.899635][ C8] Kernel Offset: 0x2d000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Sep 27 17:46:43 [ 1876.955793][ C8] Rebooting in 10 seconds..
m.
> On 27 Sep 2022, at 7:44, Martin Zaharinov <micron10@...il.com> wrote:
>
> Add intel
> And one more from last min:
>
>
> Sep 27 06:28:58 [ 1715.463514][ C28] ------------[ cut here ]------------
> Sep 27 06:28:58 [ 1715.464245][ C28] NETDEV WATCHDOG: eth0 (i40e): transmit queue 0 timed out
> Sep 27 06:28:58 [ 1715.465216][ C28] WARNING: CPU: 28 PID: 0 at net/sched/sch_generic.c:529 dev_watchdog+0x167/0x170
> Sep 27 06:28:58 [ 1715.466459][ C28] Modules linked in: nft_limit nf_conntrack_netlink pppoe pppox ppp_generic slhc nft_ct nft_nat nft_chain_nat team_mode_loadbalance team nf_tables netconsole coretemp i40e nf_nat_sip nf_conntrack_sip nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_ftp nf_conntrack_ftp nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 acpi_ipmi ipmi_si ipmi_devintf ipmi_msghandler rtc_cmos [last unloaded: nf_flow_table]
> Sep 27 06:28:58 [ 1715.472099][ C28] CPU: 28 PID: 0 Comm: swapper/28 Tainted: G O 5.19.11 #1
> Sep 27 06:28:58 [ 1715.473225][ C28] Hardware name: Supermicro SYS-5038MR-H8TRF/X10SRD-F, BIOS 3.3 10/28/2020
> Sep 27 06:28:58 [ 1715.474377][ C28] RIP: 0010:dev_watchdog+0x167/0x170
> Sep 27 06:28:58 [ 1715.475081][ C28] Code: 28 e9 77 ff ff ff 48 89 df c6 05 63 57 c4 00 01 e8 de 59 fb ff 48 89 c2 44 89 e1 48 89 de 48 c7 c7 08 c7 ec 98 e8 52 c6 13 00 <0f> 0b eb 85 0f 1f 44 00 00 41 55 41 54 55 53 48 8b 47 50 4c 8b 28
> Sep 27 06:28:58 [ 1715.477736][ C28] RSP: 0018:ffffa93c806b8ee8 EFLAGS: 00010292
> Sep 27 06:28:58 [ 1715.478542][ C28] RAX: 0000000000000038 RBX: ffffa01591bb0000 RCX: 0000000000000001
> Sep 27 06:28:58 [ 1715.479608][ C28] RDX: 00000000ffffffea RSI: 00000000fff7ffff RDI: 00000000fff7ffff
> Sep 27 06:28:58 [ 1715.480674][ C28] RBP: ffffa01591bb03c0 R08: 0000000000000001 R09: 00000000fff7ffff
> Sep 27 06:28:58 [ 1715.481741][ C28] R10: ffffa01cdae00000 R11: 0000000000000003 R12: 0000000000000000
> Sep 27 06:28:58 [ 1715.482807][ C28] R13: 0000000000000001 R14: ffffa01cdfd207a8 R15: 0000000000000082
> Sep 27 06:28:58 [ 1715.483876][ C28] FS: 0000000000000000(0000) GS:ffffa01cdfd00000(0000) knlGS:0000000000000000
> Sep 27 06:28:58 [ 1715.485072][ C28] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> Sep 27 06:28:58 [ 1715.485949][ C28] CR2: 000000c000c19010 CR3: 00000001974a4005 CR4: 00000000003706e0
> Sep 27 06:28:58 [ 1715.487018][ C28] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> Sep 27 06:28:58 [ 1715.488084][ C28] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> Sep 27 06:28:58 [ 1715.489151][ C28] Call Trace:
> Sep 27 06:28:58 [ 1715.489582][ C28] <IRQ>
> Sep 27 06:28:58 [ 1715.489949][ C28] ? pfifo_fast_destroy+0x30/0x30
> Sep 27 06:28:58 [ 1715.490615][ C28] call_timer_fn.constprop.0+0x14/0x70
> Sep 27 06:28:58 [ 1715.491342][ C28] __run_timers.part.0+0x164/0x190
> Sep 27 06:28:58 [ 1715.492019][ C28] ? ktime_get+0x30/0x90
> Sep 27 06:28:58 [ 1715.492576][ C28] run_timer_softirq+0x21/0x50
> Sep 27 06:28:58 [ 1715.493204][ C28] __do_softirq+0xaf/0x1d7
> Sep 27 06:28:58 [ 1715.493788][ C28] __irq_exit_rcu+0x9a/0xd0
> Sep 27 06:28:58 [ 1715.494383][ C28] sysvec_apic_timer_interrupt+0x66/0x80
> Sep 27 06:28:58 [ 1715.495131][ C28] </IRQ>
> Sep 27 06:28:58 [ 1715.495509][ C28] <TASK>
> Sep 27 06:28:58 [ 1715.495887][ C28] asm_sysvec_apic_timer_interrupt+0x16/0x20
> Sep 27 06:28:58 [ 1715.496683][ C28] RIP: 0010:cpuidle_enter_state+0xb3/0x290
> Sep 27 06:28:58 [ 1715.497455][ C28] Code: e8 12 25 b0 ff 31 ff 49 89 c5 e8 c8 80 af ff 45 84 ff 74 12 9c 58 f6 c4 02 0f 85 cf 01 00 00 31 ff e8 c1 cb b3 ff fb 45 85 f6 <0f> 88 d0 00 00 00 49 63 ce 48 6b f1 68 48 8b 04 24 4c 89 ea 48 29
> Sep 27 06:28:58 [ 1715.500111][ C28] RSP: 0018:ffffa93c801cfe98 EFLAGS: 00000202
> Sep 27 06:28:58 [ 1715.500916][ C28] RAX: ffffa01cdfd26800 RBX: ffffa01580bff000 RCX: 000000000000001f
> Sep 27 06:28:58 [ 1715.501983][ C28] RDX: 0000018f6997dcb8 RSI: 00000000313b13b1 RDI: 0000000000000000
> Sep 27 06:28:58 [ 1715.503050][ C28] RBP: 0000000000000001 R08: 0000000000000002 R09: ffffa01cdfd25724
> Sep 27 06:28:58 [ 1715.504118][ C28] R10: 0000000000000018 R11: 000000000000007b R12: ffffffff99222da0
> Sep 27 06:28:58 [ 1715.536292][ C28] R13: 0000018f6997dcb8 R14: 0000000000000001 R15: 0000000000000000
> Sep 27 06:28:58 [ 1715.568539][ C28] ? cpuidle_enter_state+0x98/0x290
> Sep 27 06:28:58 [ 1715.600850][ C28] cpuidle_enter+0x24/0x40
> Sep 27 06:28:58 [ 1715.632878][ C28] cpuidle_idle_call+0xbb/0x100
> Sep 27 06:28:58 [ 1715.664572][ C28] do_idle+0x76/0xc0
> Sep 27 06:28:58 [ 1715.695803][ C28] cpu_startup_entry+0x14/0x20
> Sep 27 06:28:58 [ 1715.726582][ C28] start_secondary+0xd6/0xe0
> Sep 27 06:28:58 [ 1715.756507][ C28] secondary_startup_64_no_verify+0xd3/0xdb
> Sep 27 06:28:58 [ 1715.785770][ C28] </TASK>
> Sep 27 06:28:58 [ 1715.813710][ C28] ---[ end trace 0000000000000000 ]---
> Sep 27 06:28:58 [ 1715.840988][ C28] i40e 0000:03:00.0 eth0: tx_timeout: VSI_seid: 390, Q 0, NTC: 0x697, HWB: 0x78c, NTU: 0x78c, TAIL: 0x78c, INT: 0x0
> Sep 27 06:28:58 [ 1715.896233][ C28] i40e 0000:03:00.0 eth0: tx_timeout recovery level 1, txqueue 0
>
>
>
>> On 26 Sep 2022, at 18:19, Florian Westphal <fw@...len.de> wrote:
>>
>> Michal Hocko <mhocko@...e.com> wrote:
>>> On Mon 26-09-22 10:31:39, Florian Westphal wrote:
>>>> Martin Zaharinov reports BUG() in mm land for 5.19.10 kernel:
>>>> kernel BUG at mm/vmalloc.c:2437!
>>>> invalid opcode: 0000 [#1] SMP
>>>> CPU: 28 PID: 0 Comm: swapper/28 Tainted: G W O 5.19.9 #1
>>>> [..]
>>>> RIP: 0010:__get_vm_area_node+0x120/0x130
>>>> __vmalloc_node_range+0x96/0x1e0
>>>> kvmalloc_node+0x92/0xb0
>>>> bucket_table_alloc.isra.0+0x47/0x140
>>>> rhashtable_try_insert+0x3a4/0x440
>>>> rhashtable_insert_slow+0x1b/0x30
>>>> [..]
>>>>
>>>> bucket_table_alloc uses kvzalloc(GPF_ATOMIC). If kmalloc fails, this now
>>>> falls through to vmalloc and hits code paths that assume GFP_KERNEL.
>>>>
>>>> I sent a patch to restore GFP_ATOMIC support in kvmalloc but mm
>>>> maintainers rejected it.
>>>>
>>>> This patch is partial revert of
>>>> commit 93f976b5190d ("lib/rhashtable: simplify bucket_table_alloc()"),
>>>> to avoid kvmalloc for ATOMIC case.
>>>>
>>>> As kvmalloc doesn't warn when used with ATOMIC, kernel will only crash
>>>> once vmalloc fallback occurs, so we may see more crashes in other areas
>>>> in the future.
>>>>
>>>> Most other callers seem ok but kvm_mmu_topup_memory_cache looks like it
>>>> might be affected by the same breakage, so Cc kvm@.
>>>>
>>>> Reported-by: Martin Zaharinov <micron10@...il.com>
>>>> Fixes: a421ef303008 ("mm: allow !GFP_KERNEL allocations for kvmalloc")
>>>> Link: https://lore.kernel.org/linux-mm/Yy3MS2uhSgjF47dy@pc636/T/#t
>>>> Cc: Michal Hocko <mhocko@...e.com>
>>>> Cc: Paolo Bonzini <pbonzini@...hat.com>
>>>> Cc: kvm@...r.kernel.org
>>>> Signed-off-by: Florian Westphal <fw@...len.de>
>>>
>>> Please continue in the original email thread until we sort out the most
>>> reasonable solution for this.
>>
>> I've submitted a v2 using Michals proposed fix for kvmalloc api, if
>> thats merged no fixes are required in the callers, so this rhashtable
>> patch can be discarded.
>
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