Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KMSAN: uninit-value in bpf_skb_load_helper_8 (2) bpf net | C | 15 | 1374d | 1376d | 0/26 | closed as invalid on 2020/07/22 14:22 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KMSAN: uninit-value in bpf_skb_load_helper_8 (2) bpf net | C | 15 | 1374d | 1376d | 0/26 | closed as invalid on 2020/07/22 14:22 |
===================================================== BUG: KMSAN: uninit-value in ____bpf_skb_load_helper_8 net/core/filter.c:184 [inline] BUG: KMSAN: uninit-value in bpf_skb_load_helper_8+0xe0/0x290 net/core/filter.c:178 CPU: 1 PID: 1233 Comm: kworker/u4:23 Not tainted 5.7.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x220 lib/dump_stack.c:118 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121 __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215 ____bpf_skb_load_helper_8 net/core/filter.c:184 [inline] bpf_skb_load_helper_8+0xe0/0x290 net/core/filter.c:178 ___bpf_prog_run+0x214d/0x97a0 kernel/bpf/core.c:1516 __bpf_prog_run32+0x101/0x170 kernel/bpf/core.c:1681 bpf_dispatcher_nop_func include/linux/bpf.h:545 [inline] bpf_prog_run_pin_on_cpu include/linux/filter.h:599 [inline] bpf_prog_run_clear_cb include/linux/filter.h:721 [inline] run_filter net/packet/af_packet.c:2012 [inline] packet_rcv+0x70f/0x2160 net/packet/af_packet.c:2085 dev_queue_xmit_nit+0x1199/0x1270 net/core/dev.c:2276 xmit_one net/core/dev.c:3473 [inline] dev_hard_start_xmit+0x20f/0xab0 net/core/dev.c:3493 __dev_queue_xmit+0x2f8d/0x3b20 net/core/dev.c:4052 dev_queue_xmit+0x4b/0x60 net/core/dev.c:4085 batadv_send_skb_packet+0x59b/0x8c0 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:393 [inline] batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:419 [inline] batadv_iv_send_outstanding_bat_ogm_packet+0x97e/0xd50 net/batman-adv/bat_iv_ogm.c:1710 process_one_work+0x1555/0x1f40 kernel/workqueue.c:2268 worker_thread+0xef6/0x2450 kernel/workqueue.c:2414 kthread+0x4b5/0x4f0 kernel/kthread.c:269 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:353 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:144 [inline] kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:310 __msan_chain_origin+0x50/0x90 mm/kmsan/kmsan_instr.c:165 ___bpf_prog_run+0x6c80/0x97a0 kernel/bpf/core.c:1391 __bpf_prog_run32+0x101/0x170 kernel/bpf/core.c:1681 bpf_dispatcher_nop_func include/linux/bpf.h:545 [inline] bpf_prog_run_pin_on_cpu include/linux/filter.h:599 [inline] bpf_prog_run_clear_cb include/linux/filter.h:721 [inline] run_filter net/packet/af_packet.c:2012 [inline] packet_rcv+0x70f/0x2160 net/packet/af_packet.c:2085 dev_queue_xmit_nit+0x1199/0x1270 net/core/dev.c:2276 xmit_one net/core/dev.c:3473 [inline] dev_hard_start_xmit+0x20f/0xab0 net/core/dev.c:3493 __dev_queue_xmit+0x2f8d/0x3b20 net/core/dev.c:4052 dev_queue_xmit+0x4b/0x60 net/core/dev.c:4085 batadv_send_skb_packet+0x59b/0x8c0 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:393 [inline] batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:419 [inline] batadv_iv_send_outstanding_bat_ogm_packet+0x97e/0xd50 net/batman-adv/bat_iv_ogm.c:1710 process_one_work+0x1555/0x1f40 kernel/workqueue.c:2268 worker_thread+0xef6/0x2450 kernel/workqueue.c:2414 kthread+0x4b5/0x4f0 kernel/kthread.c:269 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:353 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:144 [inline] kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:310 __msan_chain_origin+0x50/0x90 mm/kmsan/kmsan_instr.c:165 ___bpf_prog_run+0x6cbe/0x97a0 kernel/bpf/core.c:1391 __bpf_prog_run32+0x101/0x170 kernel/bpf/core.c:1681 bpf_dispatcher_nop_func include/linux/bpf.h:545 [inline] bpf_prog_run_pin_on_cpu include/linux/filter.h:599 [inline] bpf_prog_run_clear_cb include/linux/filter.h:721 [inline] run_filter net/packet/af_packet.c:2012 [inline] packet_rcv+0x70f/0x2160 net/packet/af_packet.c:2085 dev_queue_xmit_nit+0x1199/0x1270 net/core/dev.c:2276 xmit_one net/core/dev.c:3473 [inline] dev_hard_start_xmit+0x20f/0xab0 net/core/dev.c:3493 __dev_queue_xmit+0x2f8d/0x3b20 net/core/dev.c:4052 dev_queue_xmit+0x4b/0x60 net/core/dev.c:4085 batadv_send_skb_packet+0x59b/0x8c0 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:393 [inline] batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:419 [inline] batadv_iv_send_outstanding_bat_ogm_packet+0x97e/0xd50 net/batman-adv/bat_iv_ogm.c:1710 process_one_work+0x1555/0x1f40 kernel/workqueue.c:2268 worker_thread+0xef6/0x2450 kernel/workqueue.c:2414 kthread+0x4b5/0x4f0 kernel/kthread.c:269 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:353 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:144 [inline] kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:310 __msan_chain_origin+0x50/0x90 mm/kmsan/kmsan_instr.c:165 ___bpf_prog_run+0x6c64/0x97a0 kernel/bpf/core.c:1391 __bpf_prog_run32+0x101/0x170 kernel/bpf/core.c:1681 bpf_dispatcher_nop_func include/linux/bpf.h:545 [inline] bpf_prog_run_pin_on_cpu include/linux/filter.h:599 [inline] bpf_prog_run_clear_cb include/linux/filter.h:721 [inline] run_filter net/packet/af_packet.c:2012 [inline] packet_rcv+0x70f/0x2160 net/packet/af_packet.c:2085 dev_queue_xmit_nit+0x1199/0x1270 net/core/dev.c:2276 xmit_one net/core/dev.c:3473 [inline] dev_hard_start_xmit+0x20f/0xab0 net/core/dev.c:3493 __dev_queue_xmit+0x2f8d/0x3b20 net/core/dev.c:4052 dev_queue_xmit+0x4b/0x60 net/core/dev.c:4085 batadv_send_skb_packet+0x59b/0x8c0 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:393 [inline] batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:419 [inline] batadv_iv_send_outstanding_bat_ogm_packet+0x97e/0xd50 net/batman-adv/bat_iv_ogm.c:1710 process_one_work+0x1555/0x1f40 kernel/workqueue.c:2268 worker_thread+0xef6/0x2450 kernel/workqueue.c:2414 kthread+0x4b5/0x4f0 kernel/kthread.c:269 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:353 Local variable ----regs@__bpf_prog_run32 created at: __bpf_prog_run32+0x87/0x170 kernel/bpf/core.c:1681 __bpf_prog_run32+0x87/0x170 kernel/bpf/core.c:1681 =====================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/05/27 04:51 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | syz | C | ci-upstream-kmsan-gce | |||
2020/05/27 02:23 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | syz | ci-upstream-kmsan-gce | ||||
2020/05/27 01:14 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | syz | ci-upstream-kmsan-gce | ||||
2020/05/27 15:30 | https://github.com/google/kmsan.git master | 8b611d82b66b | ec153193 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 22:44 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 22:33 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 22:27 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 22:24 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 22:23 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 22:22 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 22:13 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 22:00 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 21:58 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 21:48 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 21:38 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 21:25 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 21:14 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 21:06 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 21:06 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 21:04 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 20:45 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 20:18 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 20:14 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 19:59 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 19:56 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 19:46 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/26 19:45 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce | |||||
2020/05/27 22:57 | https://github.com/google/kmsan.git master | 8b611d82b66b | ec153193 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/27 18:55 | https://github.com/google/kmsan.git master | 8b611d82b66b | ec153193 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/26 23:20 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/26 23:02 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/26 22:37 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/26 22:32 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/26 22:31 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/26 22:24 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/26 22:15 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/26 20:56 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/26 20:56 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/26 20:46 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/26 20:39 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/26 20:31 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/26 20:15 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/26 20:04 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce-386 | |||||
2020/05/26 19:41 | https://github.com/google/kmsan.git master | 94bc4cd0c2f0 | 9072c126 | .config | console log | report | ci-upstream-kmsan-gce-386 |