Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | general protection fault in refcount_sub_and_test | 1 | 2628d | 2612d | 3/28 | fixed on 2017/11/06 20:49 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | general protection fault in refcount_sub_and_test | 1 | 2628d | 2612d | 3/28 | fixed on 2017/11/06 20:49 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2022/12/27 03:31 | 13m | retest repro | linux-4.14.y | report log | |
2022/08/31 10:27 | 15m | retest repro | linux-4.14.y | report log |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2020/06/26 14:16 | 29m (3) | bisect fix | linux-4.14.y | OK (2) job log | |
2020/05/27 13:53 | 22m | bisect fix | linux-4.14.y | OK (0) job log log | |
2020/04/27 13:29 | 23m | bisect fix | linux-4.14.y | OK (0) job log log | |
2020/03/28 10:10 | 23m | bisect fix | linux-4.14.y | OK (0) job log log | |
2020/02/27 09:45 | 24m | bisect fix | linux-4.14.y | OK (0) job log log | |
2020/01/28 09:21 | 23m | bisect fix | linux-4.14.y | OK (0) job log log | |
2019/12/29 05:28 | 26m | bisect fix | linux-4.14.y | OK (0) job log log | |
2019/11/29 04:59 | 23m | bisect fix | linux-4.14.y | OK (0) job log log |
random: sshd: uninitialized urandom read (32 bytes read) random: sshd: uninitialized urandom read (32 bytes read) audit: type=1400 audit(1555436523.629:36): avc: denied { map } for pid=6839 comm="syz-executor505" path="/root/syz-executor505751706" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 6839 Comm: syz-executor505 Not tainted 4.14.111 #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88808a9ea240 task.stack: ffff888081e68000 RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline] RIP: 0010:atomic_read arch/x86/include/asm/atomic.h:27 [inline] RIP: 0010:refcount_sub_and_test+0x2b/0xf0 lib/refcount.c:179 RSP: 0018:ffff888081e6fa68 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888092859a40 RCX: ffffffff842582d0 RDX: 0000000000000004 RSI: 0000000000000020 RDI: 0000000000000001 RBP: ffff888081e6fa90 R08: 000000004f3c8ce9 R09: ffff88808a9eab08 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000020 R13: 0000000000000001 R14: ffff888092859a54 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055bee90fb190 CR3: 000000000766a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: refcount_dec_and_test+0x1b/0x20 lib/refcount.c:212 vb2_vmalloc_put+0x18/0x70 drivers/media/v4l2-core/videobuf2-vmalloc.c:68 __vb2_buf_mem_free+0x106/0x1e0 drivers/media/v4l2-core/videobuf2-core.c:240 __vb2_free_mem drivers/media/v4l2-core/videobuf2-core.c:409 [inline] __vb2_queue_free+0x63a/0x7e0 drivers/media/v4l2-core/videobuf2-core.c:454 vb2_core_queue_release+0x64/0x80 drivers/media/v4l2-core/videobuf2-core.c:2043 vb2_queue_release drivers/media/v4l2-core/videobuf2-v4l2.c:669 [inline] _vb2_fop_release+0x1cf/0x2a0 drivers/media/v4l2-core/videobuf2-v4l2.c:840 vb2_fop_release+0x75/0xc0 drivers/media/v4l2-core/videobuf2-v4l2.c:854 vivid_fop_release+0x180/0x3f0 drivers/media/platform/vivid/vivid-core.c:486 v4l2_release+0xfb/0x190 drivers/media/v4l2-core/v4l2-dev.c:446 __fput+0x277/0x7a0 fs/file_table.c:210 ____fput+0x16/0x20 fs/file_table.c:244 task_work_run+0x119/0x190 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x7df/0x2c10 kernel/exit.c:874 do_group_exit+0x111/0x330 kernel/exit.c:977 SYSC_exit_group kernel/exit.c:988 [inline] SyS_exit_group+0x1d/0x20 kernel/exit.c:986 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x442cc8 RSP: 002b:00007ffe9e9455c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442cc8 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 RBP: 00000000004c25e8 R08: 00000000000000e7 R09: ffffffffffffffd0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000006d4180 R14: 0000000000000000 R15: 0000000000000000 Code: 55 48 89 e5 41 56 41 55 41 89 fd 41 54 49 89 f4 53 48 83 ec 08 e8 96 e1 85 fe 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 RIP: __read_once_size include/linux/compiler.h:183 [inline] RSP: ffff888081e6fa68 RIP: atomic_read arch/x86/include/asm/atomic.h:27 [inline] RSP: ffff888081e6fa68 RIP: refcount_sub_and_test+0x2b/0xf0 lib/refcount.c:179 RSP: ffff888081e6fa68 ---[ end trace 6833091c11894b6e ]---
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/04/16 17:46 | linux-4.14.y | 1ec8f1f0bffe | 505ab413 | .config | console log | report | syz | C | ci2-linux-4-14 | |||
2019/04/26 08:07 | linux-4.14.y | 68d7a45eec10 | b617407b | .config | console log | report | ci2-linux-4-14 | |||||
2019/04/19 13:49 | linux-4.14.y | 58b454ebf81e | b0e8efcb | .config | console log | report | ci2-linux-4-14 | |||||
2019/04/16 17:22 | linux-4.14.y | 1ec8f1f0bffe | 505ab413 | .config | console log | report | ci2-linux-4-14 |