Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: null-ptr-deref Read in refcount_sub_and_test_checked (2) media | C | inconclusive | done | 916 | 1956d | 2158d | 15/28 | fixed on 2020/02/18 10:28 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: null-ptr-deref Read in refcount_sub_and_test_checked (2) media | C | inconclusive | done | 916 | 1956d | 2158d | 15/28 | fixed on 2020/02/18 10:28 |
================================================================== BUG: KASAN: null-ptr-deref in atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] BUG: KASAN: null-ptr-deref in refcount_sub_and_test_checked+0x9d/0x310 lib/refcount.c:179 Read of size 4 at addr 0000000000000020 by task syz-executor801/5703 CPU: 1 PID: 5703 Comm: syz-executor801 Not tainted 4.19.0+ #98 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+0x244/0x39d lib/dump_stack.c:113 kasan_report_error mm/kasan/report.c:352 [inline] kasan_report.cold.8+0x6d/0x309 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 kasan_check_read+0x11/0x20 mm/kasan/kasan.c:272 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] refcount_sub_and_test_checked+0x9d/0x310 lib/refcount.c:179 refcount_dec_and_test_checked+0x1a/0x20 lib/refcount.c:212 vb2_vmalloc_put+0x19/0x80 drivers/media/common/videobuf2/videobuf2-vmalloc.c:68 __vb2_buf_mem_free+0x112/0x210 drivers/media/common/videobuf2/videobuf2-core.c:242 __vb2_free_mem drivers/media/common/videobuf2/videobuf2-core.c:413 [inline] __vb2_queue_free+0x830/0xa30 drivers/media/common/videobuf2/videobuf2-core.c:458 vb2_core_queue_release+0x62/0x80 drivers/media/common/videobuf2/videobuf2-core.c:2231 vb2_queue_release+0x15/0x20 drivers/media/common/videobuf2/videobuf2-v4l2.c:837 v4l2_m2m_ctx_release+0x2a/0x35 drivers/media/v4l2-core/v4l2-mem2mem.c:931 vim2m_release+0xe6/0x150 drivers/media/platform/vim2m.c:977 v4l2_release+0x224/0x3a0 drivers/media/v4l2-core/v4l2-dev.c:456 __fput+0x385/0xa30 fs/file_table.c:278 ____fput+0x15/0x20 fs/file_table.c:309 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x1ad6/0x26d0 kernel/exit.c:867 do_group_exit+0x177/0x440 kernel/exit.c:970 __do_sys_exit_group kernel/exit.c:981 [inline] __se_sys_exit_group kernel/exit.c:979 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:979 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x442cc8 Code: Bad RIP value. RSP: 002b:00007ffc01263628 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442cc8 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 RBP: 00000000004c2888 R08: 00000000000000e7 R09: ffffffffffffffd0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000006d4180 R14: 0000000000000000 R15: 0000000000000000 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2018/11/05 08:40 | upstream | 4710e78940d8 | 8bd6bd63 | .config | console log | report | syz | C | ci-upstream-kasan-gce-smack-root | |||
2018/11/04 12:28 | upstream | 71e56028173b | 8bd6bd63 | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | |||
2018/11/03 18:16 | upstream | 5f21585384a4 | 8bd6bd63 | .config | console log | report | syz | C | ci-upstream-kasan-gce-root | |||
2018/11/03 14:22 | upstream | 5f21585384a4 | 8bd6bd63 | .config | console log | report | syz | C | ci-upstream-kasan-gce-smack-root | |||
2018/11/03 05:53 | upstream | 8adcc59974b8 | 8bd6bd63 | .config | console log | report | syz | C | ci-upstream-kasan-gce | |||
2018/11/02 01:20 | upstream | 5b7449810ae6 | 1f38e9ae | .config | console log | report | syz | C | ci-upstream-kasan-gce | |||
2018/11/02 01:01 | upstream | 5b7449810ae6 | 1f38e9ae | .config | console log | report | syz | C | ci-upstream-kasan-gce-root | |||
2018/11/01 11:20 | upstream | 59fc453b21f7 | 1f38e9ae | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | |||
2018/11/03 05:02 | upstream | 8adcc59974b8 | 8bd6bd63 | .config | console log | report | syz | C | ci-upstream-kasan-gce-386 | |||
2018/11/01 19:49 | upstream | 5b7449810ae6 | 1f38e9ae | .config | console log | report | syz | C | ci-upstream-kasan-gce-386 | |||
2018/10/05 07:33 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | |||
2018/11/03 12:01 | linux-next | 25e9471b6a27 | 8bd6bd63 | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | |||
2018/11/01 18:51 | linux-next | 4db9d11bcbef | 1f38e9ae | .config | console log | report | syz | C | ci-upstream-linux-next-kasan-gce-root | |||
2018/10/05 18:35 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 18:33 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 16:28 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 13:02 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 12:23 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 12:14 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 10:10 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 07:24 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 07:16 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 07:10 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 07:09 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 07:09 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 07:07 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 07:03 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 07:02 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 06:58 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 06:58 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2018/10/05 06:54 | net-next-old | 2970f2a8e941 | 8b311eaf | .config | console log | report | ci-upstream-net-kasan-gce |