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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 tgr160_final+0x93/0xe0 crypto/tgr192.c:614 Write of size 20 at addr ffff8801d912c054 by task syz-executor926/4564 CPU: 0 PID: 4564 Comm: syz-executor926 Not tainted 4.17.0+ #89 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+0x1b9/0x294 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+0x242/0x2fe mm/kasan/report.c:412 check_memory_region_inline mm/kasan/kasan.c:260 [inline] check_memory_region+0x13e/0x1b0 mm/kasan/kasan.c:267 memcpy+0x37/0x50 mm/kasan/kasan.c:303 memcpy include/linux/string.h:345 [inline] tgr160_final+0x93/0xe0 crypto/tgr192.c:614 crypto_shash_final+0x104/0x260 crypto/shash.c:152 kdf_ctr security/keys/dh.c:186 [inline] keyctl_dh_compute_kdf security/keys/dh.c:217 [inline] __keyctl_dh_compute+0x1184/0x1bc0 security/keys/dh.c:389 keyctl_dh_compute+0xb9/0x100 security/keys/dh.c:425 __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+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x440029 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 6b 45 00 00 c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffce89982d8 EFLAGS: 00000217 ORIG_RAX: 00000000000000fa RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440029 RDX: 0000000020a53ffb RSI: 0000000020000100 RDI: 0000000000000017 RBP: 00000000006ca018 R08: 0000000020c61fc8 R09: 00000000004002c8 R10: 0000000000000005 R11: 0000000000000217 R12: 0000000000401950 R13: 00000000004019e0 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 4564: 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_kdf security/keys/dh.c:211 [inline] __keyctl_dh_compute+0xfe9/0x1bc0 security/keys/dh.c:389 keyctl_dh_compute+0xb9/0x100 security/keys/dh.c:425 __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+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 2863: 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:609 __fput+0x353/0x890 fs/file_table.c:209 ____fput+0x15/0x20 fs/file_table.c:243 task_work_run+0x1e4/0x290 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:192 [inline] exit_to_usermode_loop+0x2bd/0x310 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:265 [inline] do_syscall_64+0x6ac/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe The buggy address belongs to the object at ffff8801d912c040 which belongs to the cache kmalloc-32 of size 32 The buggy address is located 20 bytes inside of 32-byte region [ffff8801d912c040, ffff8801d912c060) The buggy address belongs to the page: page:ffffea0007644b00 count:1 mapcount:0 mapping:ffff8801d912c000 index:0xffff8801d912cfc1 flags: 0x2fffc0000000100(slab) raw: 02fffc0000000100 ffff8801d912c000 ffff8801d912cfc1 000000010000001a raw: ffffea000764a060 ffffea0007646b60 ffff8801da8001c0 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801d912bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8801d912bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8801d912c000: 06 fc fc fc fc fc fc fc 00 00 00 fc fc fc fc fc ^ ffff8801d912c080: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc ffff8801d912c100: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2018/06/08 02:40 | upstream | 1c8c5a9d38f6 | 645e75f8 | .config | console log | report | syz | C | ci-upstream-kasan-gce | |||
2018/06/08 03:29 | upstream | 1c8c5a9d38f6 | 645e75f8 | .config | console log | report | syz | ci-upstream-kasan-gce-386 | ||||
2018/06/26 20:00 | upstream | 813835028e9a | b0294c53 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/26 07:56 | upstream | 6f0d349d922b | 2064fc5c | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/06/25 21:53 | upstream | 6f0d349d922b | 2064fc5c | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/25 07:39 | upstream | 7daf201d7fe8 | 2064fc5c | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/24 08:20 | upstream | 77072ca59fdd | 2064fc5c | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/06/23 22:09 | upstream | 5e2204832b20 | 2064fc5c | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/21 19:09 | upstream | 1abd8a8f39cd | 095ef806 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/06/21 18:17 | upstream | 1abd8a8f39cd | 095ef806 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/21 09:50 | upstream | 1abd8a8f39cd | 095ef806 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/21 04:46 | upstream | 1abd8a8f39cd | 095ef806 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/21 03:11 | upstream | 1abd8a8f39cd | 095ef806 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/21 00:19 | upstream | 1abd8a8f39cd | 095ef806 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/20 20:50 | upstream | 81e97f01371f | 095ef806 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/18 21:09 | upstream | 9ffc59d57228 | 45c54f75 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/18 14:49 | upstream | 9ffc59d57228 | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/17 22:48 | upstream | ce397d215ccd | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/06/17 19:05 | upstream | ce397d215ccd | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/06/17 11:02 | upstream | ce397d215ccd | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/15 14:47 | upstream | 4c5e8fc62d6a | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/14 19:20 | upstream | 2837461dbe6f | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/06/14 13:37 | upstream | 2837461dbe6f | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/14 13:27 | upstream | 2837461dbe6f | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/06/14 07:55 | upstream | be779f03d563 | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/06/13 22:12 | upstream | be779f03d563 | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/13 22:01 | upstream | be779f03d563 | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/06/13 12:06 | upstream | f5b7769eb040 | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/06/27 07:23 | upstream | 813835028e9a | b0294c53 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/27 02:40 | upstream | 813835028e9a | b0294c53 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/26 05:45 | upstream | 6f0d349d922b | 2064fc5c | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/25 23:34 | upstream | 6f0d349d922b | 2064fc5c | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/23 22:09 | upstream | 5e2204832b20 | 2064fc5c | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/22 08:46 | upstream | 27db64f65f1b | 095ef806 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/22 00:07 | upstream | 27db64f65f1b | 095ef806 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/20 22:01 | upstream | 81e97f01371f | 095ef806 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/19 06:11 | upstream | ba4dbdedd3ed | 45c54f75 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/19 03:54 | upstream | ba4dbdedd3ed | 45c54f75 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/18 09:23 | upstream | 9ffc59d57228 | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/17 15:42 | upstream | ce397d215ccd | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/15 07:18 | upstream | b5d903c2d656 | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/15 02:52 | upstream | b5d903c2d656 | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/14 12:45 | upstream | 2837461dbe6f | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/13 19:17 | upstream | f5b7769eb040 | 27c5f59f | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/13 04:54 | upstream | 0725d4e1b8b0 | 6dcbc435 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/06/13 02:30 | upstream | 0725d4e1b8b0 | 6dcbc435 | .config | console log | report | ci-upstream-kasan-gce-386 |