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Antony Antony 54fcc6189d xfrm: Fix input error path memory access 
When there is a misconfiguration of input state slow path
KASAN report error. Fix this error.
west login:
[   52.987278] eth1: renamed from veth11
[   53.078814] eth1: renamed from veth21
[   53.181355] eth1: renamed from veth31
[   54.921702] ==================================================================
[   54.922602] BUG: KASAN: wild-memory-access in xfrmi_rcv_cb+0x2d/0x295
[   54.923393] Read of size 8 at addr 6b6b6b6b00000000 by task ping/512
[   54.924169]
[   54.924386] CPU: 0 PID: 512 Comm: ping Not tainted 6.9.0-08574-gcd29a4313a1b #25
[   54.925290] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   54.926401] Call Trace:
[   54.926731]  <IRQ>
[   54.927009]  dump_stack_lvl+0x2a/0x3b
[   54.927478]  kasan_report+0x84/0xa6
[   54.927930]  ? xfrmi_rcv_cb+0x2d/0x295
[   54.928410]  xfrmi_rcv_cb+0x2d/0x295
[   54.928872]  ? xfrm4_rcv_cb+0x3d/0x5e
[   54.929354]  xfrm4_rcv_cb+0x46/0x5e
[   54.929804]  xfrm_rcv_cb+0x7e/0xa1
[   54.930240]  xfrm_input+0x1b3a/0x1b96
[   54.930715]  ? xfrm_offload+0x41/0x41
[   54.931182]  ? raw_rcv+0x292/0x292
[   54.931617]  ? nf_conntrack_confirm+0xa2/0xa2
[   54.932158]  ? skb_sec_path+0xd/0x3f
[   54.932610]  ? xfrmi_input+0x90/0xce
[   54.933066]  xfrm4_esp_rcv+0x33/0x54
[   54.933521]  ip_protocol_deliver_rcu+0xd7/0x1b2
[   54.934089]  ip_local_deliver_finish+0x110/0x120
[   54.934659]  ? ip_protocol_deliver_rcu+0x1b2/0x1b2
[   54.935248]  NF_HOOK.constprop.0+0xf8/0x138
[   54.935767]  ? ip_sublist_rcv_finish+0x68/0x68
[   54.936317]  ? secure_tcpv6_ts_off+0x23/0x168
[   54.936859]  ? ip_protocol_deliver_rcu+0x1b2/0x1b2
[   54.937454]  ? __xfrm_policy_check2.constprop.0+0x18d/0x18d
[   54.938135]  NF_HOOK.constprop.0+0xf8/0x138
[   54.938663]  ? ip_sublist_rcv_finish+0x68/0x68
[   54.939220]  ? __xfrm_policy_check2.constprop.0+0x18d/0x18d
[   54.939904]  ? ip_local_deliver_finish+0x120/0x120
[   54.940497]  __netif_receive_skb_one_core+0xc9/0x107
[   54.941121]  ? __netif_receive_skb_list_core+0x1c2/0x1c2
[   54.941771]  ? blk_mq_start_stopped_hw_queues+0xc7/0xf9
[   54.942413]  ? blk_mq_start_stopped_hw_queue+0x38/0x38
[   54.943044]  ? virtqueue_get_buf_ctx+0x295/0x46b
[   54.943618]  process_backlog+0xb3/0x187
[   54.944102]  __napi_poll.constprop.0+0x57/0x1a7
[   54.944669]  net_rx_action+0x1cb/0x380
[   54.945150]  ? __napi_poll.constprop.0+0x1a7/0x1a7
[   54.945744]  ? vring_new_virtqueue+0x17a/0x17a
[   54.946300]  ? note_interrupt+0x2cd/0x367
[   54.946805]  handle_softirqs+0x13c/0x2c9
[   54.947300]  do_softirq+0x5f/0x7d
[   54.947727]  </IRQ>
[   54.948014]  <TASK>
[   54.948300]  __local_bh_enable_ip+0x48/0x62
[   54.948832]  __neigh_event_send+0x3fd/0x4ca
[   54.949361]  neigh_resolve_output+0x1e/0x210
[   54.949896]  ip_finish_output2+0x4bf/0x4f0
[   54.950410]  ? __ip_finish_output+0x171/0x1b8
[   54.950956]  ip_send_skb+0x25/0x57
[   54.951390]  raw_sendmsg+0xf95/0x10c0
[   54.951850]  ? check_new_pages+0x45/0x71
[   54.952343]  ? raw_hash_sk+0x21b/0x21b
[   54.952815]  ? kernel_init_pages+0x42/0x51
[   54.953337]  ? prep_new_page+0x44/0x51
[   54.953811]  ? get_page_from_freelist+0x72b/0x915
[   54.954390]  ? signal_pending_state+0x77/0x77
[   54.954936]  ? preempt_count_sub+0x14/0xb3
[   54.955450]  ? __might_resched+0x8a/0x240
[   54.955951]  ? __might_sleep+0x25/0xa0
[   54.956424]  ? first_zones_zonelist+0x2c/0x43
[   54.956977]  ? __rcu_read_lock+0x2d/0x3a
[   54.957476]  ? __pte_offset_map+0x32/0xa4
[   54.957980]  ? __might_resched+0x8a/0x240
[   54.958483]  ? __might_sleep+0x25/0xa0
[   54.958963]  ? inet_send_prepare+0x54/0x54
[   54.959478]  ? sock_sendmsg_nosec+0x42/0x6c
[   54.960000]  sock_sendmsg_nosec+0x42/0x6c
[   54.960502]  __sys_sendto+0x15d/0x1cc
[   54.960966]  ? __x64_sys_getpeername+0x44/0x44
[   54.961522]  ? __handle_mm_fault+0x679/0xae4
[   54.962068]  ? find_vma+0x6b/0x8b
[   54.962497]  ? find_vma_intersection+0x8a/0x8a
[   54.963052]  ? handle_mm_fault+0x38/0x154
[   54.963556]  ? handle_mm_fault+0xeb/0x154
[   54.964059]  ? preempt_latency_start+0x29/0x34
[   54.964613]  ? preempt_count_sub+0x14/0xb3
[   54.965141]  ? up_read+0x4b/0x5c
[   54.965557]  __x64_sys_sendto+0x76/0x82
[   54.966041]  do_syscall_64+0x69/0xd5
[   54.966497]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   54.967119] RIP: 0033:0x7f2d2fec9a73
[   54.967572] Code: 8b 15 a9 83 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 80 3d 71 0b 0d 00 00 41 89 ca 74 14 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 75 c3 0f 1f 40 00 55 48 83 ec 30 44 89 4c 24
[   54.969747] RSP: 002b:00007ffe85756418 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   54.970655] RAX: ffffffffffffffda RBX: 0000558bebad1340 RCX: 00007f2d2fec9a73
[   54.971511] RDX: 0000000000000040 RSI: 0000558bebad73c0 RDI: 0000000000000003
[   54.972366] RBP: 0000558bebad73c0 R08: 0000558bebad35c0 R09: 0000000000000010
[   54.973234] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000040
[   54.974091] R13: 00007ffe85757b00 R14: 0000001d00000001 R15: 0000558bebad4680
[   54.974951]  </TASK>
[   54.975244] ==================================================================
[   54.976133] Disabling lock debugging due to kernel taint
[   54.976784] Oops: stack segment: 0000 [#1] PREEMPT DEBUG_PAGEALLOC KASAN
[   54.977603] CPU: 0 PID: 512 Comm: ping Tainted: G    B              6.9.0-08574-gcd29a4313a1b #25
[   54.978654] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   54.979750] RIP: 0010:xfrmi_rcv_cb+0x2d/0x295
[   54.980293] Code: 00 00 41 57 41 56 41 89 f6 41 55 41 54 55 53 48 89 fb 51 85 f6 75 31 48 89 df e8 d7 e8 ff ff 48 89 c5 48 89 c7 e8 8b a4 4f ff <48> 8b 7d 00 48 89 ee e8 eb f3 ff ff 49 89 c5 b8 01 00 00 00 4d 85
[   54.982462] RSP: 0018:ffffc90000007990 EFLAGS: 00010282
[   54.983099] RAX: 0000000000000001 RBX: ffff8881126e9900 RCX: fffffbfff07b77cd
[   54.983948] RDX: fffffbfff07b77cd RSI: fffffbfff07b77cd RDI: ffffffff83dbbe60
[   54.984794] RBP: 6b6b6b6b00000000 R08: 0000000000000008 R09: 0000000000000001
[   54.985647] R10: ffffffff83dbbe67 R11: fffffbfff07b77cc R12: 00000000ffffffff
[   54.986512] R13: 00000000ffffffff R14: 00000000ffffffff R15: 0000000000000002
[   54.987365] FS:  00007f2d2fc0dc40(0000) GS:ffffffff82eb2000(0000) knlGS:0000000000000000
[   54.988329] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.989026] CR2: 00007ffe85755ff8 CR3: 0000000109941000 CR4: 0000000000350ef0
[   54.989897] Call Trace:
[   54.990223]  <IRQ>
[   54.990500]  ? __die_body+0x1a/0x56
[   54.990950]  ? die+0x30/0x49
[   54.991326]  ? do_trap+0x9b/0x132
[   54.991751]  ? do_error_trap+0x7d/0xaf
[   54.992223]  ? exc_stack_segment+0x35/0x45
[   54.992734]  ? asm_exc_stack_segment+0x22/0x30
[   54.993294]  ? xfrmi_rcv_cb+0x2d/0x295
[   54.993764]  ? xfrm4_rcv_cb+0x3d/0x5e
[   54.994228]  xfrm4_rcv_cb+0x46/0x5e
[   54.994670]  xfrm_rcv_cb+0x7e/0xa1
[   54.995106]  xfrm_input+0x1b3a/0x1b96
[   54.995572]  ? xfrm_offload+0x41/0x41
[   54.996038]  ? raw_rcv+0x292/0x292
[   54.996472]  ? nf_conntrack_confirm+0xa2/0xa2
[   54.997011]  ? skb_sec_path+0xd/0x3f
[   54.997466]  ? xfrmi_input+0x90/0xce
[   54.997925]  xfrm4_esp_rcv+0x33/0x54
[   54.998378]  ip_protocol_deliver_rcu+0xd7/0x1b2
[   54.998944]  ip_local_deliver_finish+0x110/0x120
[   54.999520]  ? ip_protocol_deliver_rcu+0x1b2/0x1b2
[   55.000111]  NF_HOOK.constprop.0+0xf8/0x138
[   55.000630]  ? ip_sublist_rcv_finish+0x68/0x68
[   55.001195]  ? secure_tcpv6_ts_off+0x23/0x168
[   55.001743]  ? ip_protocol_deliver_rcu+0x1b2/0x1b2
[   55.002331]  ? __xfrm_policy_check2.constprop.0+0x18d/0x18d
[   55.003008]  NF_HOOK.constprop.0+0xf8/0x138
[   55.003527]  ? ip_sublist_rcv_finish+0x68/0x68
[   55.004078]  ? __xfrm_policy_check2.constprop.0+0x18d/0x18d
[   55.004755]  ? ip_local_deliver_finish+0x120/0x120
[   55.005351]  __netif_receive_skb_one_core+0xc9/0x107
[   55.005972]  ? __netif_receive_skb_list_core+0x1c2/0x1c2
[   55.006626]  ? blk_mq_start_stopped_hw_queues+0xc7/0xf9
[   55.007266]  ? blk_mq_start_stopped_hw_queue+0x38/0x38
[   55.007899]  ? virtqueue_get_buf_ctx+0x295/0x46b
[   55.008476]  process_backlog+0xb3/0x187
[   55.008961]  __napi_poll.constprop.0+0x57/0x1a7
[   55.009540]  net_rx_action+0x1cb/0x380
[   55.010020]  ? __napi_poll.constprop.0+0x1a7/0x1a7
[   55.010610]  ? vring_new_virtqueue+0x17a/0x17a
[   55.011173]  ? note_interrupt+0x2cd/0x367
[   55.011675]  handle_softirqs+0x13c/0x2c9
[   55.012169]  do_softirq+0x5f/0x7d
[   55.012597]  </IRQ>
[   55.012882]  <TASK>
[   55.013179]  __local_bh_enable_ip+0x48/0x62
[   55.013704]  __neigh_event_send+0x3fd/0x4ca
[   55.014227]  neigh_resolve_output+0x1e/0x210
[   55.014761]  ip_finish_output2+0x4bf/0x4f0
[   55.015278]  ? __ip_finish_output+0x171/0x1b8
[   55.015823]  ip_send_skb+0x25/0x57
[   55.016261]  raw_sendmsg+0xf95/0x10c0
[   55.016729]  ? check_new_pages+0x45/0x71
[   55.017229]  ? raw_hash_sk+0x21b/0x21b
[   55.017708]  ? kernel_init_pages+0x42/0x51
[   55.018225]  ? prep_new_page+0x44/0x51
[   55.018704]  ? get_page_from_freelist+0x72b/0x915
[   55.019292]  ? signal_pending_state+0x77/0x77
[   55.019840]  ? preempt_count_sub+0x14/0xb3
[   55.020357]  ? __might_resched+0x8a/0x240
[   55.020860]  ? __might_sleep+0x25/0xa0
[   55.021345]  ? first_zones_zonelist+0x2c/0x43
[   55.021896]  ? __rcu_read_lock+0x2d/0x3a
[   55.022396]  ? __pte_offset_map+0x32/0xa4
[   55.022901]  ? __might_resched+0x8a/0x240
[   55.023404]  ? __might_sleep+0x25/0xa0
[   55.023879]  ? inet_send_prepare+0x54/0x54
[   55.024391]  ? sock_sendmsg_nosec+0x42/0x6c
[   55.024918]  sock_sendmsg_nosec+0x42/0x6c
[   55.025428]  __sys_sendto+0x15d/0x1cc
[   55.025892]  ? __x64_sys_getpeername+0x44/0x44
[   55.026441]  ? __handle_mm_fault+0x679/0xae4
[   55.026988]  ? find_vma+0x6b/0x8b
[   55.027414]  ? find_vma_intersection+0x8a/0x8a
[   55.027966]  ? handle_mm_fault+0x38/0x154
[   55.028470]  ? handle_mm_fault+0xeb/0x154
[   55.028972]  ? preempt_latency_start+0x29/0x34
[   55.029532]  ? preempt_count_sub+0x14/0xb3
[   55.030047]  ? up_read+0x4b/0x5c
[   55.030463]  __x64_sys_sendto+0x76/0x82
[   55.030949]  do_syscall_64+0x69/0xd5
[   55.031406]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[   55.032028] RIP: 0033:0x7f2d2fec9a73
[   55.032481] Code: 8b 15 a9 83 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 80 3d 71 0b 0d 00 00 41 89 ca 74 14 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 75 c3 0f 1f 40 00 55 48 83 ec 30 44 89 4c 24
[   55.034660] RSP: 002b:00007ffe85756418 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   55.035567] RAX: ffffffffffffffda RBX: 0000558bebad1340 RCX: 00007f2d2fec9a73
[   55.036424] RDX: 0000000000000040 RSI: 0000558bebad73c0 RDI: 0000000000000003
[   55.037293] RBP: 0000558bebad73c0 R08: 0000558bebad35c0 R09: 0000000000000010
[   55.038153] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000040
[   55.039012] R13: 00007ffe85757b00 R14: 0000001d00000001 R15: 0000558bebad4680
[   55.039871]  </TASK>
[   55.040167] Modules linked in:
[   55.040585] ---[ end trace 0000000000000000 ]---
[   55.041164] RIP: 0010:xfrmi_rcv_cb+0x2d/0x295
[   55.041714] Code: 00 00 41 57 41 56 41 89 f6 41 55 41 54 55 53 48 89 fb 51 85 f6 75 31 48 89 df e8 d7 e8 ff ff 48 89 c5 48 89 c7 e8 8b a4 4f ff <48> 8b 7d 00 48 89 ee e8 eb f3 ff ff 49 89 c5 b8 01 00 00 00 4d 85
[   55.043889] RSP: 0018:ffffc90000007990 EFLAGS: 00010282
[   55.044528] RAX: 0000000000000001 RBX: ffff8881126e9900 RCX: fffffbfff07b77cd
[   55.045386] RDX: fffffbfff07b77cd RSI: fffffbfff07b77cd RDI: ffffffff83dbbe60
[   55.046250] RBP: 6b6b6b6b00000000 R08: 0000000000000008 R09: 0000000000000001
[   55.047104] R10: ffffffff83dbbe67 R11: fffffbfff07b77cc R12: 00000000ffffffff
[   55.047960] R13: 00000000ffffffff R14: 00000000ffffffff R15: 0000000000000002
[   55.048820] FS:  00007f2d2fc0dc40(0000) GS:ffffffff82eb2000(0000) knlGS:0000000000000000
[   55.049805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.050507] CR2: 00007ffe85755ff8 CR3: 0000000109941000 CR4: 0000000000350ef0
[   55.051366] Kernel panic - not syncing: Fatal exception in interrupt
[   55.052136] Kernel Offset: disabled
[   55.052577] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---

Fixes: 304b44f0d5 ("xfrm: Add dir validation to "in" data path lookup")
Signed-off-by: Antony Antony <antony.antony@secunet.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
History 2024-06-17 13:50:30 +02:00
arch Probes updates for v6.10: 2024-05-17 18:29:30 -07:00
block SCSI misc on 20240514 2024-05-14 18:25:53 -07:00
certs This update includes the following changes: 2023-11-02 16:15:30 -10:00
crypto Hi, 2024-05-15 09:22:34 -07:00
Documentation Including fix from Andrii for the issue mentioned in our net-next PR, 2024-05-17 18:57:14 -07:00
drivers net: mana: Fix the extra HZ in mana_hwc_send_request 2024-05-22 11:17:07 +02:00
fs tracing cleanups for v6.10: 2024-05-17 18:34:27 -07:00
include tracing ring buffer updates for v6.10: 2024-05-17 18:40:37 -07:00
init Bootconfig updates for v6.10: 2024-05-17 18:23:55 -07:00
io_uring for-6.10/io_uring-20240511 2024-05-13 12:48:06 -07:00
ipc sysctl changes for v6.10-rc1 2024-05-17 17:31:24 -07:00
kernel kprobe/ftrace: fix build error due to bad function definition 2024-05-17 19:17:55 -07:00
lib Probes updates for v6.10: 2024-05-17 18:29:30 -07:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm ARM: 2024-05-15 14:46:43 -07:00
net xfrm: Fix input error path memory access 2024-06-17 13:50:30 +02:00
rust Timers and timekeeping updates: 2024-05-14 09:27:40 -07:00
samples Networking changes for 6.10. 2024-05-14 19:42:24 -07:00
scripts Modules changes for v6.10-rc1 2024-05-15 14:05:08 -07:00
security integrity-v6.10 2024-05-15 08:43:02 -07:00
sound ALSA: hda/realtek: Drop doubly quirk entry for 103c:8a2e 2024-05-13 12:54:46 +02:00
tools selftest: af_unix: Make SCM_RIGHTS into OOB data. 2024-05-21 13:42:08 +02:00
usr Kbuild updates for v6.8 2024-01-18 17:57:07 -08:00
virt KVM x86 misc changes for 6.10: 2024-05-12 03:18:44 -04:00
.clang-format clang-format: Update with v6.7-rc4's for_each macro list 2023-12-08 23:54:38 +01:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.editorconfig Add .editorconfig file for basic formatting 2023-12-28 16:22:47 +09:00
.get_maintainer.ignore Add Jeff Kirsher to .get_maintainer.ignore 2024-03-08 11:36:54 +00:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: create a list of all built DTB files 2024-02-19 18:20:39 +09:00
.mailmap Another not-too-busy cycle for documentation, including: 2024-05-13 10:51:53 -07:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Drop Gustavo Pimentel as PCI DWC Maintainer 2024-03-27 13:41:02 -05:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Including fix from Andrii for the issue mentioned in our net-next PR, 2024-05-17 18:57:14 -07:00
Makefile Linux 6.9 2024-05-12 14:12:29 -07:00
README README: Fix spelling 2024-03-18 03:36:32 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.