KMSAN: uninit-value in __crypto_memneq (2)
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syzbot
Jan 9, 2021, 8:05:26 AM1/9/21
to da...@davemloft.net, gli...@google.com, her...@gondor.apana.org.au, linux-...@vger.kernel.org, linux-...@vger.kernel.org, syzkall...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 73d62e81 kmsan: random: prevent boot-time reports in _mix_..
git tree: https://github.com/google/kmsan.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=142ab9c0d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=2cdf4151c9653e32
dashboard link: https://syzkaller.appspot.com/bug?extid=e0f501056b282add58a6
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project.git ca2dcbd030eadbf0aa9b660efe864ff08af6e18b)
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e0f501...@syzkaller.appspotmail.com
=====================================================
BUG: KMSAN: uninit-value in __crypto_memneq_16 crypto/memneq.c:99 [inline]
BUG: KMSAN: uninit-value in __crypto_memneq+0x42c/0x470 crypto/memneq.c:161
CPU: 0 PID: 20526 Comm: kworker/0:3 Not tainted 5.10.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: wg-crypt-wg1 wg_packet_decrypt_worker
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x21c/0x280 lib/dump_stack.c:118
kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:118
__msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
__crypto_memneq_16 crypto/memneq.c:99 [inline]
__crypto_memneq+0x42c/0x470 crypto/memneq.c:161
crypto_memneq include/crypto/algapi.h:277 [inline]
chacha20poly1305_crypt_sg_inplace+0x1662/0x1cd0 lib/crypto/chacha20poly1305.c:311
chacha20poly1305_decrypt_sg_inplace+0x179/0x1d0 lib/crypto/chacha20poly1305.c:351
decrypt_packet drivers/net/wireguard/receive.c:284 [inline]
wg_packet_decrypt_worker+0x9cf/0x17d0 drivers/net/wireguard/receive.c:509
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
__msan_chain_origin+0x57/0xa0 mm/kmsan/kmsan_instr.c:147
put_unaligned_le64 include/linux/unaligned/access_ok.h:50 [inline]
poly1305_core_emit+0x625/0x6a0 lib/crypto/poly1305-donna64.c:182
poly1305_final_generic+0xe2/0x280 lib/crypto/poly1305.c:71
poly1305_final include/crypto/poly1305.h:94 [inline]
chacha20poly1305_crypt_sg_inplace+0x15cf/0x1cd0 lib/crypto/chacha20poly1305.c:310
chacha20poly1305_decrypt_sg_inplace+0x179/0x1d0 lib/crypto/chacha20poly1305.c:351
decrypt_packet drivers/net/wireguard/receive.c:284 [inline]
wg_packet_decrypt_worker+0x9cf/0x17d0 drivers/net/wireguard/receive.c:509
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
__msan_chain_origin+0x57/0xa0 mm/kmsan/kmsan_instr.c:147
poly1305_core_blocks+0x8f4/0x940 lib/crypto/poly1305-donna64.c:107
poly1305_update_generic+0x1a7/0x5a0 lib/crypto/poly1305.c:49
poly1305_update include/crypto/poly1305.h:83 [inline]
chacha20poly1305_crypt_sg_inplace+0x1496/0x1cd0 lib/crypto/chacha20poly1305.c:302
chacha20poly1305_decrypt_sg_inplace+0x179/0x1d0 lib/crypto/chacha20poly1305.c:351
decrypt_packet drivers/net/wireguard/receive.c:284 [inline]
wg_packet_decrypt_worker+0x9cf/0x17d0 drivers/net/wireguard/receive.c:509
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
__msan_chain_origin+0x57/0xa0 mm/kmsan/kmsan_instr.c:147
poly1305_core_blocks+0x8f4/0x940 lib/crypto/poly1305-donna64.c:107
poly1305_update_generic+0x1a7/0x5a0 lib/crypto/poly1305.c:49
poly1305_update include/crypto/poly1305.h:83 [inline]
chacha20poly1305_crypt_sg_inplace+0xb4d/0x1cd0 lib/crypto/chacha20poly1305.c:263
chacha20poly1305_decrypt_sg_inplace+0x179/0x1d0 lib/crypto/chacha20poly1305.c:351
decrypt_packet drivers/net/wireguard/receive.c:284 [inline]
wg_packet_decrypt_worker+0x9cf/0x17d0 drivers/net/wireguard/receive.c:509
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
__msan_chain_origin+0x57/0xa0 mm/kmsan/kmsan_instr.c:147
crypto_xor_cpy include/crypto/algapi.h:167 [inline]
chacha_crypt_generic+0x696/0x880 lib/crypto/libchacha.c:23
chacha_crypt include/crypto/chacha.h:90 [inline]
chacha20_crypt include/crypto/chacha.h:96 [inline]
chacha20poly1305_crypt_sg_inplace+0xda2/0x1cd0 lib/crypto/chacha20poly1305.c:280
chacha20poly1305_encrypt_sg_inplace+0x125/0x140 lib/crypto/chacha20poly1305.c:338
encrypt_packet drivers/net/wireguard/send.c:216 [inline]
wg_packet_encrypt_worker+0x1288/0x2680 drivers/net/wireguard/send.c:301
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
kmsan_memcpy_memmove_metadata+0x25e/0x2d0 mm/kmsan/kmsan.c:226
kmsan_memcpy_metadata+0xb/0x10 mm/kmsan/kmsan.c:246
__msan_memcpy+0x46/0x60 mm/kmsan/kmsan_instr.c:110
pskb_expand_head+0x3eb/0x1df0 net/core/skbuff.c:1631
__skb_cow include/linux/skbuff.h:3165 [inline]
skb_cow_head include/linux/skbuff.h:3199 [inline]
geneve_build_skb+0x56e/0xf80 drivers/net/geneve.c:753
geneve6_xmit_skb drivers/net/geneve.c:1023 [inline]
geneve_xmit+0x2d86/0x3cc0 drivers/net/geneve.c:1056
__netdev_start_xmit include/linux/netdevice.h:4718 [inline]
netdev_start_xmit include/linux/netdevice.h:4732 [inline]
xmit_one+0x2b9/0x770 net/core/dev.c:3564
dev_hard_start_xmit net/core/dev.c:3580 [inline]
__dev_queue_xmit+0x33f2/0x4520 net/core/dev.c:4140
dev_queue_xmit+0x4b/0x60 net/core/dev.c:4173
batadv_send_skb_packet+0x622/0x970 net/batman-adv/send.c:108
batadv_send_broadcast_skb+0x76/0x90 net/batman-adv/send.c:127
batadv_iv_ogm_send_to_if net/batman-adv/bat_iv_ogm.c:394 [inline]
batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:420 [inline]
batadv_iv_send_outstanding_bat_ogm_packet+0xb3a/0xf00 net/batman-adv/bat_iv_ogm.c:1712
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
kmsan_memcpy_memmove_metadata+0x25e/0x2d0 mm/kmsan/kmsan.c:226
kmsan_memcpy_metadata+0xb/0x10 mm/kmsan/kmsan.c:246
__msan_memcpy+0x46/0x60 mm/kmsan/kmsan_instr.c:110
pskb_expand_head+0x3eb/0x1df0 net/core/skbuff.c:1631
__skb_cow include/linux/skbuff.h:3165 [inline]
skb_cow_head include/linux/skbuff.h:3199 [inline]
batadv_skb_head_push+0x2ce/0x410 net/batman-adv/soft-interface.c:75
batadv_send_skb_packet+0x1ed/0x970 net/batman-adv/send.c:86
batadv_send_broadcast_skb+0x76/0x90 net/batman-adv/send.c:127
batadv_iv_ogm_send_to_if net/batman-adv/bat_iv_ogm.c:394 [inline]
batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:420 [inline]
batadv_iv_send_outstanding_bat_ogm_packet+0xb3a/0xf00 net/batman-adv/bat_iv_ogm.c:1712
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was created at:
kmsan_save_stack_with_flags+0x3c/0x90 mm/kmsan/kmsan.c:121
kmsan_alloc_page+0xd3/0x1f0 mm/kmsan/kmsan_shadow.c:274
__alloc_pages_nodemask+0x84e/0xfb0 mm/page_alloc.c:4989
__alloc_pages include/linux/gfp.h:511 [inline]
__alloc_pages_node include/linux/gfp.h:524 [inline]
alloc_pages_node include/linux/gfp.h:538 [inline]
__page_frag_cache_refill mm/page_alloc.c:5065 [inline]
page_frag_alloc+0x35b/0x890 mm/page_alloc.c:5095
__netdev_alloc_skb+0xbee/0xc50 net/core/skbuff.c:456
__netdev_alloc_skb_ip_align include/linux/skbuff.h:2846 [inline]
netdev_alloc_skb_ip_align include/linux/skbuff.h:2856 [inline]
batadv_iv_ogm_aggregate_new net/batman-adv/bat_iv_ogm.c:559 [inline]
batadv_iv_ogm_queue_add+0x143f/0x1cf0 net/batman-adv/bat_iv_ogm.c:671
batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:834 [inline]
batadv_iv_ogm_schedule+0xe4e/0x1670 net/batman-adv/bat_iv_ogm.c:870
batadv_iv_send_outstanding_bat_ogm_packet+0xd7b/0xf00 net/batman-adv/bat_iv_ogm.c:1724
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
=====================================================
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: 73d62e81 kmsan: random: prevent boot-time reports in _mix_..
git tree: https://github.com/google/kmsan.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=142ab9c0d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=2cdf4151c9653e32
dashboard link: https://syzkaller.appspot.com/bug?extid=e0f501056b282add58a6
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project.git ca2dcbd030eadbf0aa9b660efe864ff08af6e18b)
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e0f501...@syzkaller.appspotmail.com
=====================================================
BUG: KMSAN: uninit-value in __crypto_memneq_16 crypto/memneq.c:99 [inline]
BUG: KMSAN: uninit-value in __crypto_memneq+0x42c/0x470 crypto/memneq.c:161
CPU: 0 PID: 20526 Comm: kworker/0:3 Not tainted 5.10.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: wg-crypt-wg1 wg_packet_decrypt_worker
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x21c/0x280 lib/dump_stack.c:118
kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:118
__msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
__crypto_memneq_16 crypto/memneq.c:99 [inline]
__crypto_memneq+0x42c/0x470 crypto/memneq.c:161
crypto_memneq include/crypto/algapi.h:277 [inline]
chacha20poly1305_crypt_sg_inplace+0x1662/0x1cd0 lib/crypto/chacha20poly1305.c:311
chacha20poly1305_decrypt_sg_inplace+0x179/0x1d0 lib/crypto/chacha20poly1305.c:351
decrypt_packet drivers/net/wireguard/receive.c:284 [inline]
wg_packet_decrypt_worker+0x9cf/0x17d0 drivers/net/wireguard/receive.c:509
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
__msan_chain_origin+0x57/0xa0 mm/kmsan/kmsan_instr.c:147
put_unaligned_le64 include/linux/unaligned/access_ok.h:50 [inline]
poly1305_core_emit+0x625/0x6a0 lib/crypto/poly1305-donna64.c:182
poly1305_final_generic+0xe2/0x280 lib/crypto/poly1305.c:71
poly1305_final include/crypto/poly1305.h:94 [inline]
chacha20poly1305_crypt_sg_inplace+0x15cf/0x1cd0 lib/crypto/chacha20poly1305.c:310
chacha20poly1305_decrypt_sg_inplace+0x179/0x1d0 lib/crypto/chacha20poly1305.c:351
decrypt_packet drivers/net/wireguard/receive.c:284 [inline]
wg_packet_decrypt_worker+0x9cf/0x17d0 drivers/net/wireguard/receive.c:509
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
__msan_chain_origin+0x57/0xa0 mm/kmsan/kmsan_instr.c:147
poly1305_core_blocks+0x8f4/0x940 lib/crypto/poly1305-donna64.c:107
poly1305_update_generic+0x1a7/0x5a0 lib/crypto/poly1305.c:49
poly1305_update include/crypto/poly1305.h:83 [inline]
chacha20poly1305_crypt_sg_inplace+0x1496/0x1cd0 lib/crypto/chacha20poly1305.c:302
chacha20poly1305_decrypt_sg_inplace+0x179/0x1d0 lib/crypto/chacha20poly1305.c:351
decrypt_packet drivers/net/wireguard/receive.c:284 [inline]
wg_packet_decrypt_worker+0x9cf/0x17d0 drivers/net/wireguard/receive.c:509
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
__msan_chain_origin+0x57/0xa0 mm/kmsan/kmsan_instr.c:147
poly1305_core_blocks+0x8f4/0x940 lib/crypto/poly1305-donna64.c:107
poly1305_update_generic+0x1a7/0x5a0 lib/crypto/poly1305.c:49
poly1305_update include/crypto/poly1305.h:83 [inline]
chacha20poly1305_crypt_sg_inplace+0xb4d/0x1cd0 lib/crypto/chacha20poly1305.c:263
chacha20poly1305_decrypt_sg_inplace+0x179/0x1d0 lib/crypto/chacha20poly1305.c:351
decrypt_packet drivers/net/wireguard/receive.c:284 [inline]
wg_packet_decrypt_worker+0x9cf/0x17d0 drivers/net/wireguard/receive.c:509
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
__msan_chain_origin+0x57/0xa0 mm/kmsan/kmsan_instr.c:147
crypto_xor_cpy include/crypto/algapi.h:167 [inline]
chacha_crypt_generic+0x696/0x880 lib/crypto/libchacha.c:23
chacha_crypt include/crypto/chacha.h:90 [inline]
chacha20_crypt include/crypto/chacha.h:96 [inline]
chacha20poly1305_crypt_sg_inplace+0xda2/0x1cd0 lib/crypto/chacha20poly1305.c:280
chacha20poly1305_encrypt_sg_inplace+0x125/0x140 lib/crypto/chacha20poly1305.c:338
encrypt_packet drivers/net/wireguard/send.c:216 [inline]
wg_packet_encrypt_worker+0x1288/0x2680 drivers/net/wireguard/send.c:301
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
kmsan_memcpy_memmove_metadata+0x25e/0x2d0 mm/kmsan/kmsan.c:226
kmsan_memcpy_metadata+0xb/0x10 mm/kmsan/kmsan.c:246
__msan_memcpy+0x46/0x60 mm/kmsan/kmsan_instr.c:110
pskb_expand_head+0x3eb/0x1df0 net/core/skbuff.c:1631
__skb_cow include/linux/skbuff.h:3165 [inline]
skb_cow_head include/linux/skbuff.h:3199 [inline]
geneve_build_skb+0x56e/0xf80 drivers/net/geneve.c:753
geneve6_xmit_skb drivers/net/geneve.c:1023 [inline]
geneve_xmit+0x2d86/0x3cc0 drivers/net/geneve.c:1056
__netdev_start_xmit include/linux/netdevice.h:4718 [inline]
netdev_start_xmit include/linux/netdevice.h:4732 [inline]
xmit_one+0x2b9/0x770 net/core/dev.c:3564
dev_hard_start_xmit net/core/dev.c:3580 [inline]
__dev_queue_xmit+0x33f2/0x4520 net/core/dev.c:4140
dev_queue_xmit+0x4b/0x60 net/core/dev.c:4173
batadv_send_skb_packet+0x622/0x970 net/batman-adv/send.c:108
batadv_send_broadcast_skb+0x76/0x90 net/batman-adv/send.c:127
batadv_iv_ogm_send_to_if net/batman-adv/bat_iv_ogm.c:394 [inline]
batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:420 [inline]
batadv_iv_send_outstanding_bat_ogm_packet+0xb3a/0xf00 net/batman-adv/bat_iv_ogm.c:1712
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
kmsan_memcpy_memmove_metadata+0x25e/0x2d0 mm/kmsan/kmsan.c:226
kmsan_memcpy_metadata+0xb/0x10 mm/kmsan/kmsan.c:246
__msan_memcpy+0x46/0x60 mm/kmsan/kmsan_instr.c:110
pskb_expand_head+0x3eb/0x1df0 net/core/skbuff.c:1631
__skb_cow include/linux/skbuff.h:3165 [inline]
skb_cow_head include/linux/skbuff.h:3199 [inline]
batadv_skb_head_push+0x2ce/0x410 net/batman-adv/soft-interface.c:75
batadv_send_skb_packet+0x1ed/0x970 net/batman-adv/send.c:86
batadv_send_broadcast_skb+0x76/0x90 net/batman-adv/send.c:127
batadv_iv_ogm_send_to_if net/batman-adv/bat_iv_ogm.c:394 [inline]
batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:420 [inline]
batadv_iv_send_outstanding_bat_ogm_packet+0xb3a/0xf00 net/batman-adv/bat_iv_ogm.c:1712
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was created at:
kmsan_save_stack_with_flags+0x3c/0x90 mm/kmsan/kmsan.c:121
kmsan_alloc_page+0xd3/0x1f0 mm/kmsan/kmsan_shadow.c:274
__alloc_pages_nodemask+0x84e/0xfb0 mm/page_alloc.c:4989
__alloc_pages include/linux/gfp.h:511 [inline]
__alloc_pages_node include/linux/gfp.h:524 [inline]
alloc_pages_node include/linux/gfp.h:538 [inline]
__page_frag_cache_refill mm/page_alloc.c:5065 [inline]
page_frag_alloc+0x35b/0x890 mm/page_alloc.c:5095
__netdev_alloc_skb+0xbee/0xc50 net/core/skbuff.c:456
__netdev_alloc_skb_ip_align include/linux/skbuff.h:2846 [inline]
netdev_alloc_skb_ip_align include/linux/skbuff.h:2856 [inline]
batadv_iv_ogm_aggregate_new net/batman-adv/bat_iv_ogm.c:559 [inline]
batadv_iv_ogm_queue_add+0x143f/0x1cf0 net/batman-adv/bat_iv_ogm.c:671
batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:834 [inline]
batadv_iv_ogm_schedule+0xe4e/0x1670 net/batman-adv/bat_iv_ogm.c:870
batadv_iv_send_outstanding_bat_ogm_packet+0xd7b/0xf00 net/batman-adv/bat_iv_ogm.c:1724
process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272
worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418
kthread+0x51c/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
=====================================================
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
Eric Biggers
Jan 9, 2021, 12:14:44 PM1/9/21
to Jason A. Donenfeld, syzbot, da...@davemloft.net, gli...@google.com, her...@gondor.apana.org.au, linux-...@vger.kernel.org, linux-...@vger.kernel.org, syzkall...@googlegroups.com
+Jason, since this looks WireGuard-related.
Dmitry Vyukov
Jan 9, 2021, 12:33:49 PM1/9/21
to Eric Biggers, Jason A. Donenfeld, syzbot, David Miller, Alexander Potapenko, Herbert Xu, open list:HARDWARE RANDOM NUMBER GENERATOR CORE, LKML, syzkaller-bugs
On Sat, Jan 9, 2021 at 6:14 PM Eric Biggers <ebig...@kernel.org> wrote:
>
> +Jason, since this looks WireGuard-related.
I suspect that the uninit was created by geneve or batadv and then
>
> +Jason, since this looks WireGuard-related.
just handed off to wireguard, which couldn't deal with it at that
point.
> You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bug...@googlegroups.com.
> To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/X/nkga4iirR8QKP2%40sol.localdomain.
Kamal Prasad
Feb 21, 2021, 10:12:19 AM2/21/21
to syzkaller-bugs
can someone point me to a form for batman-ada?
Dmitry Vyukov
Feb 21, 2021, 10:15:00 AM2/21/21
to Kamal Prasad, syzkaller-bugs
On Sun, Feb 21, 2021 at 4:12 PM Kamal Prasad <kam...@gmail.com> wrote:
>
> can someone point me to a form for batman-ada?
Hi Kamal,
>
> can someone point me to a form for batman-ada?
syzkaller-bugs@ serves only as an archive, few people read it. Please
resend to the full To/CC list.
Kamal Prasad
Feb 21, 2021, 10:21:36 AM2/21/21
to syzkaller-bugs
a reply all goes to only what is there here in my to list. pl fwd to whosoever so I can ask a query on batman-adv.
Dmitry Vyukov
Feb 21, 2021, 10:27:27 AM2/21/21
to Eric Biggers, Jason A. Donenfeld, syzbot, David Miller, Alexander Potapenko, Herbert Xu, open list:HARDWARE RANDOM NUMBER GENERATOR CORE, LKML, syzkaller-bugs, Kamal Prasad
On Sat, Jan 9, 2021 at 6:33 PM Dmitry Vyukov <dvy...@google.com> wrote:
>
> On Sat, Jan 9, 2021 at 6:14 PM Eric Biggers <ebig...@kernel.org> wrote:
> >
> > +Jason, since this looks WireGuard-related.
>
> I suspect that the uninit was created by geneve or batadv and then
> just handed off to wireguard, which couldn't deal with it at that
> point.
+Kamal who wants to ask something re batadv
>
> On Sat, Jan 9, 2021 at 6:14 PM Eric Biggers <ebig...@kernel.org> wrote:
> >
> > +Jason, since this looks WireGuard-related.
>
> I suspect that the uninit was created by geneve or batadv and then
> just handed off to wireguard, which couldn't deal with it at that
> point.
Kamal Prasad
Feb 21, 2021, 10:29:59 AM2/21/21
to syzkaller-bugs
is it possible to get hold of the path an ip traffic will take in a mesh? battle tells me the last seen of peer nodes, but not who a packet will be fwd'ed to based on ogn.
Dmitry Vyukov
Feb 21, 2021, 10:41:26 AM2/21/21
to Kamal Prasad, syzkaller-bugs
On Sun, Feb 21, 2021 at 4:30 PM Kamal Prasad <kam...@gmail.com> wrote:
>
> is it possible to get hold of the path an ip traffic will take in a mesh? battle tells me the last seen of peer nodes, but not who a packet will be fwd'ed to based on ogn.
I've CCed you on the email, please reply to that email. Nobody
>
> is it possible to get hold of the path an ip traffic will take in a mesh? battle tells me the last seen of peer nodes, but not who a packet will be fwd'ed to based on ogn.
relevant is reading syzkaller-bugs@.
syzbot
Apr 30, 2021, 8:24:15 PM4/30/21
to gli...@google.com, syzkall...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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