Title | Replies (including bot) | Last reply |
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KASAN: slab-out-of-bounds Write in crypto_dh_encode_key | 0 (1) | 2018/07/09 11:49 |
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KASAN: slab-out-of-bounds Write in crypto_dh_encode_key | 0 (1) | 2018/07/09 11:49 |
random: sshd: uninitialized urandom read (32 bytes read) random: sshd: uninitialized urandom read (32 bytes read) random: sshd: uninitialized urandom read (32 bytes read) random: sshd: uninitialized urandom read (32 bytes read) ================================================================== BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:345 [inline] BUG: KASAN: slab-out-of-bounds in dh_pack_data crypto/dh_helper.c:21 [inline] BUG: KASAN: slab-out-of-bounds in crypto_dh_encode_key+0x80e/0x830 crypto/dh_helper.c:60 Write of size 4 at addr ffff8801adbd6f10 by task syz-executor186/4466 CPU: 0 PID: 4466 Comm: syz-executor186 Not tainted 4.18.0-rc3-next-20180709+ #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 print_address_description+0x6c/0x20b mm/kasan/report.c:256 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.7+0x242/0x30d mm/kasan/report.c:412 __asan_report_store_n_noabort+0x12/0x14 mm/kasan/report.c:449 memcpy include/linux/string.h:345 [inline] dh_pack_data crypto/dh_helper.c:21 [inline] crypto_dh_encode_key+0x80e/0x830 crypto/dh_helper.c:60 __keyctl_dh_compute+0x707/0x1c00 security/keys/dh.c:316 keyctl_dh_compute+0xc5/0x11f security/keys/dh.c:427 __do_sys_keyctl security/keys/keyctl.c:1741 [inline] __se_sys_keyctl security/keys/keyctl.c:1637 [inline] __x64_sys_keyctl+0x12a/0x3b0 security/keys/keyctl.c:1637 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4403b9 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffcf524af58 EFLAGS: 00000213 ORIG_RAX: 00000000000000fa RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004403b9 RDX: 0000000020000540 RSI: 00000000200006c0 RDI: 0000000000000017 RBP: 00000000006ca018 R08: 0000000020c61fc8 R09: 00000000004002c8 R10: 0000000000000005 R11: 0000000000000213 R12: 0000000000401c40 R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 4466: save_stack+0x43/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xc4/0xe0 mm/kasan/kasan.c:553 __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x14e/0x760 mm/slab.c:3727 kmalloc include/linux/slab.h:518 [inline] __keyctl_dh_compute+0x6e1/0x1c00 security/keys/dh.c:311 keyctl_dh_compute+0xc5/0x11f security/keys/dh.c:427 __do_sys_keyctl security/keys/keyctl.c:1741 [inline] __se_sys_keyctl security/keys/keyctl.c:1637 [inline] __x64_sys_keyctl+0x12a/0x3b0 security/keys/keyctl.c:1637 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 2899: save_stack+0x43/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] __kasan_slab_free+0x11a/0x170 mm/kasan/kasan.c:521 kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528 __cache_free mm/slab.c:3498 [inline] kfree+0xd9/0x260 mm/slab.c:3813 single_release+0x8f/0xb0 fs/seq_file.c:596 __fput+0x35d/0x930 fs/file_table.c:215 ____fput+0x15/0x20 fs/file_table.c:251 task_work_run+0x1ec/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:192 [inline] exit_to_usermode_loop+0x313/0x370 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe The buggy address belongs to the object at ffff8801adbd6f00 which belongs to the cache kmalloc-32 of size 32 The buggy address is located 16 bytes inside of 32-byte region [ffff8801adbd6f00, ffff8801adbd6f20) The buggy address belongs to the page: page:ffffea0006b6f580 count:1 mapcount:0 mapping:ffff8801da8001c0 index:0xffff8801adbd6fc1 flags: 0x2fffc0000000100(slab) raw: 02fffc0000000100 ffffea00075c0288 ffffea00075c0388 ffff8801da8001c0 raw: ffff8801adbd6fc1 ffff8801adbd6000 000000010000003e 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801adbd6e00: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc ffff8801adbd6e80: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc >ffff8801adbd6f00: 00 00 03 fc fc fc fc fc 01 fc fc fc fc fc fc fc ^ ffff8801adbd6f80: 01 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8801adbd7000: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2018/07/09 08:37 | linux-next | d00d6d9a339d | f25e5770 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | |||
2018/08/06 10:02 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/06 09:25 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/06 08:12 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/06 07:09 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/06 05:39 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/06 04:09 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/06 02:11 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/06 01:06 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/05 23:45 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/05 22:23 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/05 20:49 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/05 19:37 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/05 17:43 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/05 16:05 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/05 14:18 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/05 12:12 | linux-next | 116b181bb646 | 1beb8136 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/05 09:14 | linux-next | 116b181bb646 | 3476a2df | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/05 08:11 | linux-next | 116b181bb646 | 3476a2df | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/05 06:42 | linux-next | 116b181bb646 | 3476a2df | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/05 03:02 | linux-next | 116b181bb646 | 3476a2df | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/05 02:29 | linux-next | 116b181bb646 | 3476a2df | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/05 00:43 | linux-next | 116b181bb646 | 3476a2df | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 22:54 | linux-next | 116b181bb646 | 3476a2df | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 21:09 | linux-next | 116b181bb646 | 3476a2df | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 19:12 | linux-next | 116b181bb646 | 3476a2df | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 17:21 | linux-next | 116b181bb646 | 3476a2df | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 16:14 | linux-next | 116b181bb646 | 3476a2df | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 14:50 | linux-next | 116b181bb646 | 3476a2df | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 13:44 | linux-next | 116b181bb646 | df7f6947 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 12:43 | linux-next | 116b181bb646 | df7f6947 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 12:21 | linux-next | 116b181bb646 | df7f6947 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 10:44 | linux-next | 116b181bb646 | df7f6947 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 09:41 | linux-next | 116b181bb646 | df7f6947 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 07:05 | linux-next | 116b181bb646 | df7f6947 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 06:03 | linux-next | 116b181bb646 | df7f6947 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 03:49 | linux-next | 116b181bb646 | df7f6947 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 02:29 | linux-next | 116b181bb646 | df7f6947 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 02:25 | linux-next | 116b181bb646 | df7f6947 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/04 01:19 | linux-next | 116b181bb646 | df7f6947 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/08/03 23:11 | linux-next | 116b181bb646 | df7f6947 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
2018/07/09 07:42 | linux-next | d00d6d9a339d | f25e5770 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root |