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Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2020/11/22 22:10 | 14m | anant.thazhemadam@gmail.com | https://github.com/google/kmsan.git master | report log | |
2020/11/22 18:42 | 22m | anant.thazhemadam@gmail.com | patch | https://github.com/google/kmsan.git master | OK |
===================================================== BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 mm/kmsan/kmsan_hooks.c:249 CPU: 0 PID: 8217 Comm: syz-executor698 Not tainted 5.10.0-rc4-syzkaller #0 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+0x21c/0x280 lib/dump_stack.c:118 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 kmsan_internal_check_memory+0x484/0x520 mm/kmsan/kmsan.c:437 kmsan_copy_to_user+0x9c/0xb0 mm/kmsan/kmsan_hooks.c:249 instrument_copy_to_user include/linux/instrumented.h:121 [inline] _copy_to_user+0x1ac/0x270 lib/usercopy.c:33 copy_to_user include/linux/uaccess.h:209 [inline] vmci_host_do_ctx_get_cpt_state drivers/misc/vmw_vmci/vmci_host.c:723 [inline] vmci_host_unlocked_ioctl+0x3489/0x59b0 drivers/misc/vmw_vmci/vmci_host.c:939 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl+0x311/0x4d0 fs/ioctl.c:739 __x64_sys_ioctl+0x4a/0x70 fs/ioctl.c:739 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x442879 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdb193eb18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 0000000000442879 RDX: 0000000020001540 RSI: 00000000000007b1 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffdb193ecb8 R09: 00007ffdb193ecb8 R10: 00007ffdb193ecb8 R11: 0000000000000246 R12: 0000000000406100 R13: 431bde82d7b634db R14: 00000000004b0018 R15: 0000000000400488 Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline] kmsan_internal_poison_shadow+0x5c/0xf0 mm/kmsan/kmsan.c:104 kmsan_slab_alloc+0x8d/0xe0 mm/kmsan/kmsan_hooks.c:76 slab_alloc_node mm/slub.c:2906 [inline] slab_alloc mm/slub.c:2915 [inline] __kmalloc+0x307/0x550 mm/slub.c:3983 kmalloc include/linux/slab.h:557 [inline] vmci_ctx_get_chkpt_doorbells drivers/misc/vmw_vmci/vmci_context.c:746 [inline] vmci_ctx_get_chkpt_state+0x6fe/0xf20 drivers/misc/vmw_vmci/vmci_context.c:798 vmci_host_do_ctx_get_cpt_state drivers/misc/vmw_vmci/vmci_host.c:719 [inline] vmci_host_unlocked_ioctl+0x2e05/0x59b0 drivers/misc/vmw_vmci/vmci_host.c:939 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl+0x311/0x4d0 fs/ioctl.c:739 __x64_sys_ioctl+0x4a/0x70 fs/ioctl.c:739 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Bytes 8-15 of 16 are uninitialized Memory access of size 16 starts at ffff888125ea7100 Data copied to user address 0000000020000540 =====================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/02/04 17:35 | https://github.com/google/kmsan.git master | 73d62e81b476 | 42b90a7c | .config | console log | report | syz | C | ci-upstream-kmsan-gce | KMSAN: kernel-infoleak in vmci_host_unlocked_ioctl | ||
2020/11/16 22:27 | https://github.com/google/kmsan.git master | 73d62e81b476 | 1bf9a662 | .config | console log | report | syz | C | ci-upstream-kmsan-gce | |||
2021/02/09 11:35 | https://github.com/google/kmsan.git master | 73d62e81b476 | 2bd9619f | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: kernel-infoleak in vmci_host_unlocked_ioctl | |||
2021/01/27 05:29 | https://github.com/google/kmsan.git master | 73d62e81b476 | 55a7d4df | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: kernel-infoleak in vmci_host_unlocked_ioctl | |||
2021/01/27 05:29 | https://github.com/google/kmsan.git master | 73d62e81b476 | 55a7d4df | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: kernel-infoleak in vmci_host_unlocked_ioctl | |||
2021/01/27 05:12 | https://github.com/google/kmsan.git master | 73d62e81b476 | 55a7d4df | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: kernel-infoleak in vmci_host_unlocked_ioctl | |||
2021/01/22 09:56 | https://github.com/google/kmsan.git master | 73d62e81b476 | d4f4eca5 | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: kernel-infoleak in vmci_host_unlocked_ioctl | |||
2021/01/22 08:42 | https://github.com/google/kmsan.git master | 73d62e81b476 | d4f4eca5 | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: kernel-infoleak in vmci_host_unlocked_ioctl | |||
2021/01/22 08:42 | https://github.com/google/kmsan.git master | 73d62e81b476 | d4f4eca5 | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: kernel-infoleak in vmci_host_unlocked_ioctl | |||
2021/01/14 10:34 | https://github.com/google/kmsan.git master | 73d62e81b476 | 269d24e8 | .config | console log | report | info | ci-upstream-kmsan-gce | ||||
2021/01/14 10:34 | https://github.com/google/kmsan.git master | 73d62e81b476 | 269d24e8 | .config | console log | report | info | ci-upstream-kmsan-gce | ||||
2020/12/21 09:06 | https://github.com/google/kmsan.git master | 73d62e81b476 | 04201c06 | .config | console log | report | info | ci-upstream-kmsan-gce | ||||
2020/12/14 21:34 | https://github.com/google/kmsan.git master | 73d62e81b476 | 97183ed7 | .config | console log | report | info | ci-upstream-kmsan-gce | ||||
2020/12/14 21:19 | https://github.com/google/kmsan.git master | 73d62e81b476 | 97183ed7 | .config | console log | report | info | ci-upstream-kmsan-gce | ||||
2020/12/14 21:10 | https://github.com/google/kmsan.git master | 73d62e81b476 | 97183ed7 | .config | console log | report | info | ci-upstream-kmsan-gce | ||||
2020/12/14 21:09 | https://github.com/google/kmsan.git master | 73d62e81b476 | 97183ed7 | .config | console log | report | info | ci-upstream-kmsan-gce | ||||
2020/12/14 21:09 | https://github.com/google/kmsan.git master | 73d62e81b476 | 97183ed7 | .config | console log | report | info | ci-upstream-kmsan-gce | ||||
2020/12/10 18:01 | https://github.com/google/kmsan.git master | 73d62e81b476 | f900b48c | .config | console log | report | info | ci-upstream-kmsan-gce | ||||
2020/12/10 11:23 | https://github.com/google/kmsan.git master | 73d62e81b476 | c090b4da | .config | console log | report | info | ci-upstream-kmsan-gce | ||||
2020/12/06 17:27 | https://github.com/google/kmsan.git master | 73d62e81b476 | f12ba0c5 | .config | console log | report | info | ci-upstream-kmsan-gce | ||||
2020/12/06 15:08 | https://github.com/google/kmsan.git master | 73d62e81b476 | f12ba0c5 | .config | console log | report | info | ci-upstream-kmsan-gce | ||||
2020/11/16 19:25 | https://github.com/google/kmsan.git master | 73d62e81b476 | 1bf9a662 | .config | console log | report | info | ci-upstream-kmsan-gce |