Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|
general protection fault in batadv_iv_ogm_queue_add batman | 20 | 1772d | 1785d | 0/27 | closed as dup on 2019/10/21 06:54 |
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Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|
general protection fault in batadv_iv_ogm_queue_add batman | 20 | 1772d | 1785d | 0/27 | closed as dup on 2019/10/21 06:54 |
Title | Replies (including bot) | Last reply |
---|---|---|
[PATCH 4.4 00/93] 4.4.217-rc1 review | 100 (100) | 2020/03/21 07:12 |
[PATCH 4.9 00/90] 4.9.217-rc1 review | 94 (94) | 2020/03/21 00:48 |
[PATCH 4.14 00/99] 4.14.174-rc1 review | 103 (103) | 2020/03/21 00:44 |
[PATCH 3.16 000/136] 3.16.80-rc1 review | 140 (140) | 2019/12/23 14:00 |
[PATCH 4.19 000/149] 4.19.82-stable review | 169 (169) | 2019/11/11 09:36 |
[PATCH 5.3 000/163] 5.3.9-stable review | 174 (174) | 2019/11/06 10:49 |
[PATCH 0/2] pull request for net: batman-adv 2019-10-25 | 4 (4) | 2019/10/28 23:39 |
KASAN: use-after-free Read in batadv_iv_ogm_queue_add | 0 (1) | 2019/10/01 03:09 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.14 | KASAN: use-after-free Read in batadv_iv_ogm_queue_add | syz | error | 63 | 1635d | 1792d | 0/1 | upstream: reported syz repro on 2019/10/14 17:58 |
================================================================== BUG: KASAN: use-after-free in memcpy include/linux/string.h:378 [inline] BUG: KASAN: use-after-free in batadv_iv_ogm_aggregate_new net/batman-adv/bat_iv_ogm.c:544 [inline] BUG: KASAN: use-after-free in batadv_iv_ogm_queue_add+0x31d/0x1120 net/batman-adv/bat_iv_ogm.c:640 Read of size 52 at addr ffff888062a48180 by task kworker/u4:4/9145 CPU: 1 PID: 9145 Comm: kworker/u4:4 Not tainted 5.4.0-rc5+ #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+0x172/0x1f0 lib/dump_stack.c:113 print_address_description.constprop.0.cold+0xd4/0x30b mm/kasan/report.c:374 __kasan_report.cold+0x1b/0x41 mm/kasan/report.c:506 kasan_report+0x12/0x20 mm/kasan/common.c:634 check_memory_region_inline mm/kasan/generic.c:185 [inline] check_memory_region+0x134/0x1a0 mm/kasan/generic.c:192 memcpy+0x24/0x50 mm/kasan/common.c:122 memcpy include/linux/string.h:378 [inline] batadv_iv_ogm_aggregate_new net/batman-adv/bat_iv_ogm.c:544 [inline] batadv_iv_ogm_queue_add+0x31d/0x1120 net/batman-adv/bat_iv_ogm.c:640 batadv_iv_ogm_schedule+0xb0b/0xe50 net/batman-adv/bat_iv_ogm.c:813 batadv_iv_send_outstanding_bat_ogm_packet+0x580/0x760 net/batman-adv/bat_iv_ogm.c:1675 process_one_work+0x9af/0x1740 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Allocated by task 9145: save_stack+0x23/0x90 mm/kasan/common.c:69 set_track mm/kasan/common.c:77 [inline] __kasan_kmalloc mm/kasan/common.c:510 [inline] __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:483 kasan_kmalloc+0x9/0x10 mm/kasan/common.c:524 __do_kmalloc mm/slab.c:3655 [inline] __kmalloc+0x163/0x770 mm/slab.c:3664 kmalloc include/linux/slab.h:561 [inline] batadv_tvlv_realloc_packet_buff net/batman-adv/tvlv.c:277 [inline] batadv_tvlv_container_ogm_append+0x134/0x490 net/batman-adv/tvlv.c:318 batadv_iv_ogm_schedule+0xc8e/0xe50 net/batman-adv/bat_iv_ogm.c:776 batadv_iv_send_outstanding_bat_ogm_packet+0x580/0x760 net/batman-adv/bat_iv_ogm.c:1675 process_one_work+0x9af/0x1740 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Freed by task 17582: save_stack+0x23/0x90 mm/kasan/common.c:69 set_track mm/kasan/common.c:77 [inline] kasan_set_free_info mm/kasan/common.c:332 [inline] __kasan_slab_free+0x102/0x150 mm/kasan/common.c:471 kasan_slab_free+0xe/0x10 mm/kasan/common.c:480 __cache_free mm/slab.c:3425 [inline] kfree+0x10a/0x2c0 mm/slab.c:3756 batadv_iv_ogm_iface_disable+0x39/0x80 net/batman-adv/bat_iv_ogm.c:220 batadv_hardif_disable_interface.cold+0x4b4/0x87b net/batman-adv/hard-interface.c:875 batadv_softif_destroy_netlink+0xa9/0x130 net/batman-adv/soft-interface.c:1146 default_device_exit_batch+0x265/0x420 net/core/dev.c:9830 ops_exit_list.isra.0+0x10c/0x160 net/core/net_namespace.c:175 cleanup_net+0x52e/0xae0 net/core/net_namespace.c:595 process_one_work+0x9af/0x1740 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 The buggy address belongs to the object at ffff888062a48180 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 0 bytes inside of 64-byte region [ffff888062a48180, ffff888062a481c0) The buggy address belongs to the page: page:ffffea00018a9200 refcount:1 mapcount:0 mapping:ffff8880aa400380 index:0xffff888062a48b80 flags: 0x1fffc0000000200(slab) raw: 01fffc0000000200 ffffea0000400988 ffffea0000405988 ffff8880aa400380 raw: ffff888062a48b80 ffff888062a48000 0000000100000006 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff888062a48080: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff888062a48100: 00 00 00 00 04 fc fc fc fc fc fc fc fc fc fc fc >ffff888062a48180: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ^ ffff888062a48200: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff888062a48280: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/11/01 06:07 | upstream | e472c64aa4fa | a41ca8fa | .config | console log | report | ci-upstream-kasan-gce | |||||
2019/10/18 15:58 | upstream | 0e2adab6cf28 | 8c88c9c1 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2019/09/29 03:26 | net-old | faeacb6ddb13 | eb6b9855 | .config | console log | report | ci-upstream-net-this-kasan-gce |