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| 🐞 Open [987] ≡ Subsystems 🐞 Fixed [5238] 🐞 Invalid [12509] ⬇ Missing Backports [83] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
| Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|
| KASAN: use-after-free Read in finish_task_switch (2) kernel | syz | done | 1 | 1743d | 1742d | 0/26 | closed as dup on 2019/07/24 07:07 | |
| KASAN: use-after-free Write in tlb_finish_mmu kernel | syz | done | 1 | 1743d | 1742d | 0/26 | closed as dup on 2019/07/24 07:07 |
| Title | Replies (including bot) | Last reply |
|---|---|---|
| [PATCH V5 0/9] Fixes for vhost metadata acceleration | 25 (25) | 2019/09/01 18:02 |
| [PATCH V4 0/9] Fixes for metadata accelreation | 18 (18) | 2019/08/10 19:12 |
| [PATCH V3 00/10] Fixes for metadata accelreation | 12 (12) | 2019/08/07 07:05 |
| [PATCH V2 0/9] Fixes for metadata accelreation | 51 (51) | 2019/08/07 06:49 |
| WARNING in __mmdrop | 86 (88) | 2019/07/31 23:00 |
| [PATCH 0/6] Fixes for meta data acceleration | 16 (16) | 2019/07/25 05:21 |
WARNING: CPU: 0 PID: 9142 at kernel/fork.c:677 __mmdrop+0x26a/0x320 /kernel/fork.c:677 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9142 Comm: syz-executor.0 Not tainted 5.2.0-next-20190718 #41 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+0x172/0x1f0 /lib/dump_stack.c:113 panic+0x2dc/0x755 /kernel/panic.c:219 __warn.cold+0x20/0x4c /kernel/panic.c:576 report_bug+0x263/0x2b0 /lib/bug.c:186 fixup_bug /arch/x86/kernel/traps.c:179 [inline] fixup_bug /arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 /arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 /arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 /arch/x86/entry/entry_64.S:1008 RIP: 0010:__mmdrop+0x26a/0x320 /kernel/fork.c:677 Code: 5f 5d c3 e8 18 7e 2f 00 4c 89 ef e8 60 d7 2b 00 eb d2 e8 09 7e 2f 00 0f 0b e8 02 7e 2f 00 0f 0b e9 fa fd ff ff e8 f6 7d 2f 00 <0f> 0b e9 2b fe ff ff e8 ea 7d 2f 00 4c 89 e7 e8 a2 f7 67 00 e9 85 RSP: 0018:ffff8880a176fac0 EFLAGS: 00010293 RAX: ffff888098f02600 RBX: ffff888098f02600 RCX: ffffffff81430bab RDX: 0000000000000000 RSI: ffffffff814306fa RDI: ffff888098f02a30 RBP: ffff8880a176fae8 R08: ffff888098f02600 R09: ffffed10148dd4ec R10: ffffed10148dd4eb R11: ffff8880a46ea75f R12: ffff8880a46ea700 R13: ffff8880a46ea828 R14: ffff8880a46eac50 R15: 0000000000000000 mmdrop /./include/linux/sched/mm.h:49 [inline] __mmput /kernel/fork.c:1074 [inline] mmput+0x3f0/0x4d0 /kernel/fork.c:1085 exit_mm /kernel/exit.c:547 [inline] do_exit+0x84e/0x2ea0 /kernel/exit.c:864 do_group_exit+0x135/0x360 /kernel/exit.c:981 get_signal+0x47c/0x2500 /kernel/signal.c:2728 do_signal+0x87/0x1700 /arch/x86/kernel/signal.c:815 exit_to_usermode_loop+0x286/0x380 /arch/x86/entry/common.c:159 prepare_exit_to_usermode /arch/x86/entry/common.c:194 [inline] syscall_return_slowpath /arch/x86/entry/common.c:274 [inline] do_syscall_64+0x5a9/0x6a0 /arch/x86/entry/common.c:299 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459819 Code: Bad RIP value. RSP: 002b:00007f75afccbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000459819 RDX: 00000000200023c0 RSI: 000000004028af11 RDI: 0000000000000003 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f75afccc6d4 R13: 00000000004c4722 R14: 00000000004d87d0 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019/07/19 03:34 | linux-next | 6d21a41b7b1f | 7bb222f7 | .config | console log | report | syz | ci-upstream-linux-next-kasan-gce-root | ||||
| 2019/07/28 14:53 | upstream | 5168afe6ef59 | c85e1c5b | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
| 2019/07/28 12:51 | upstream | 5168afe6ef59 | c85e1c5b | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
| 2019/07/22 00:36 | upstream | c6dd78fcb8ee | 1656845f | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
| 2019/07/19 19:07 | upstream | 3bfe1fc46794 | 1656845f | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
| 2019/07/18 20:59 | upstream | 22051d9c4a57 | 7bb222f7 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
| 2019/07/23 10:09 | linux-next | 6d21a41b7b1f | 55e0c077 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
| 2019/07/20 23:27 | linux-next | 6d21a41b7b1f | 1656845f | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
| 2019/06/29 16:55 | linux-next | 48568d8c7f47 | 7509bf36 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
| 2019/06/27 12:09 | linux-next | 8087b004bd09 | 7509bf36 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
| 2019/06/26 18:15 | linux-next | 1dd45f170b7e | 7509bf36 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
| 2019/06/22 16:49 | linux-next | dc636f5d78de | 34bf9440 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
| 2019/06/16 05:50 | linux-next | f4788d37bc84 | 442206d7 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
| 2019/06/09 23:50 | linux-next | 3f310e51ceb1 | 0159583c | .config | console log | report | ci-upstream-linux-next-kasan-gce-root |