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🐞 Open [961] 🐞 Fixed [3806] 🐞 Invalid [8177] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.14 | possible deadlock in vmci_qp_broker_detach | C | error | 2 | 55d | 55d | 0/1 | upstream: reported C repro on 2022/04/01 16:43 | |
linux-4.19 | possible deadlock in vmci_qp_broker_detach | C | error | 11 | 20d | 514d | 0/1 | upstream: reported C repro on 2020/12/28 17:12 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2021/06/30 22:00 | 19m | paskripkin@gmail.com | patch | upstream | report log |
2021/06/30 21:36 | 19m | paskripkin@gmail.com | patch | upstream | report log |
============================================ WARNING: possible recursive locking detected 5.16.0-rc7-syzkaller #0 Not tainted -------------------------------------------- syz-executor146/28353 is trying to acquire lock: ffffffff8c6d27f8 (qp_broker_list.mutex){+.+.}-{3:3}, at: vmci_qp_broker_detach+0x147/0x11b0 drivers/misc/vmw_vmci/vmci_queue_pair.c:2093 but task is already holding lock: ffffffff8c6d27f8 (qp_broker_list.mutex){+.+.}-{3:3}, at: vmci_qp_broker_detach+0x147/0x11b0 drivers/misc/vmw_vmci/vmci_queue_pair.c:2093 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(qp_broker_list.mutex); lock(qp_broker_list.mutex); *** DEADLOCK *** May be due to missing lock nesting notation 1 lock held by syz-executor146/28353: #0: ffffffff8c6d27f8 (qp_broker_list.mutex){+.+.}-{3:3}, at: vmci_qp_broker_detach+0x147/0x11b0 drivers/misc/vmw_vmci/vmci_queue_pair.c:2093 stack backtrace: CPU: 1 PID: 28353 Comm: syz-executor146 Not tainted 5.16.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_deadlock_bug kernel/locking/lockdep.c:2956 [inline] check_deadlock kernel/locking/lockdep.c:2999 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire.cold+0x149/0x3ab kernel/locking/lockdep.c:5027 lock_acquire kernel/locking/lockdep.c:5637 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5602 __mutex_lock_common kernel/locking/mutex.c:607 [inline] __mutex_lock+0x12f/0x12f0 kernel/locking/mutex.c:740 vmci_qp_broker_detach+0x147/0x11b0 drivers/misc/vmw_vmci/vmci_queue_pair.c:2093 ctx_free_ctx+0x4cc/0xd30 drivers/misc/vmw_vmci/vmci_context.c:444 kref_put include/linux/kref.h:65 [inline] vmci_ctx_put drivers/misc/vmw_vmci/vmci_context.c:497 [inline] vmci_ctx_enqueue_datagram+0x4dc/0x620 drivers/misc/vmw_vmci/vmci_context.c:360 dg_dispatch_as_host drivers/misc/vmw_vmci/vmci_datagram.c:275 [inline] vmci_datagram_dispatch+0x39b/0xb50 drivers/misc/vmw_vmci/vmci_datagram.c:339 qp_notify_peer+0x182/0x260 drivers/misc/vmw_vmci/vmci_queue_pair.c:1479 vmci_qp_broker_detach+0xa09/0x11b0 drivers/misc/vmw_vmci/vmci_queue_pair.c:2186 ctx_free_ctx+0x4cc/0xd30 drivers/misc/vmw_vmci/vmci_context.c:444 kref_put include/linux/kref.h:65 [inline] vmci_ctx_put drivers/misc/vmw_vmci/vmci_context.c:497 [inline] vmci_ctx_destroy+0x169/0x1d0 drivers/misc/vmw_vmci/vmci_context.c:195 vmci_host_close+0x116/0x1a0 drivers/misc/vmw_vmci/vmci_host.c:143 __fput+0x286/0x9f0 fs/file_table.c:280 task_work_run+0xdd/0x1a0 kernel/task_work.c:164 exit_task_work include/linux/task_work.h:32 [inline] do_exit+0xc14/0x2b40 kernel/exit.c:832 do_group_exit+0x125/0x310 kernel/exit.c:929 get_signal+0x47d/0x2220 kernel/signal.c:2852 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f81291eea29 Code: Unable to access opcode bytes at RIP 0x7f81291ee9ff. RSP: 002b:00007f81291a0308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007f81292763e8 RCX: 00007f81291eea29 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f81292763ec RBP: 00007f81292763e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81292763ec R13: 00007f8129244074 R14: 636d762f7665642f R15: 0000000000022000 </TASK>
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci-upstream-kasan-gce-root | 2022/04/22 14:27 | upstream | d569e86915b7 | 6cc879d4 | .config | log | report | syz | C | ||
ci-upstream-kasan-gce-root | 2022/03/16 16:32 | upstream | 56e337f2cf13 | 6cc879d4 | .config | log | report | syz | C | ||
ci-upstream-kasan-gce | 2021/11/19 10:31 | upstream | 4c388a8e740d | 9a4781d4 | .config | log | report | syz | |||
ci-upstream-kasan-gce | 2021/10/16 15:17 | upstream | 8fe31e0995f0 | 9a4781d4 | .config | log | report | syz | |||
ci-upstream-kasan-gce | 2021/08/28 20:37 | upstream | 3f5ad13cb012 | 9a4781d4 | .config | log | report | syz |
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci-upstream-kasan-gce-root | 2021/12/29 18:11 | upstream | e7c124bd0463 | 6cc879d4 | .config | log | report | syz | C | possible deadlock in vmci_qp_broker_detach | |
ci-upstream-linux-next-kasan-gce-root | 2022/02/09 13:55 | linux-next | ef6b35306dd8 | 0b33604d | .config | log | report | syz | C | possible deadlock in vmci_qp_broker_detach | |
ci-upstream-linux-next-kasan-gce-root | 2021/06/30 17:21 | linux-next | a1f92694393a | 84fd4c77 | .config | log | report | syz | C | possible deadlock in vmci_qp_broker_detach | |
ci-upstream-kasan-gce | 2021/07/29 05:14 | upstream | 4010a528219e | 9a4781d4 | .config | log | report | syz | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce | 2021/07/03 06:42 | upstream | 3dbdb38e2869 | 55aa55c2 | .config | log | report | syz | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce | 2021/04/14 15:29 | upstream | 50987beca096 | 3134b37f | .config | log | report | syz | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce-smack-root | 2021/04/12 17:28 | upstream | d434405aaab7 | bfeda1b1 | .config | log | report | syz | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-linux-next-kasan-gce-root | 2021/05/18 09:33 | linux-next | cd557f1c605f | a343ba6b | .config | log | report | syz | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce | 2022/04/22 15:48 | upstream | d569e86915b7 | 131df97d | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-qemu-upstream | 2022/03/23 13:53 | upstream | 6b1f86f8e9c7 | 5ff41e94 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-qemu-upstream | 2022/03/22 23:15 | upstream | 519129040766 | 5ff41e94 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce | 2022/02/01 09:55 | upstream | 26291c54e111 | c1c1631d | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce-root | 2021/12/14 14:53 | upstream | 5472f14a3742 | d018dd31 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce-selinux-root | 2021/09/08 11:36 | upstream | ac08b1c68d1b | e2776ee4 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce-selinux-root | 2021/06/29 15:48 | upstream | 233a806b00e3 | 9d2ab5df | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce-selinux-root | 2021/06/10 03:04 | upstream | cd1245d75ce9 | 1ba81399 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce-selinux-root | 2021/05/19 22:37 | upstream | 293837b9ac8d | a343ba6b | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce | 2021/05/17 08:59 | upstream | d07f6ca923ea | a2eb125d | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce-selinux-root | 2021/04/24 01:59 | upstream | e77a830c8297 | 17f0b706 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce | 2021/04/14 11:37 | upstream | 50987beca096 | 3134b37f | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce-smack-root | 2021/04/12 16:01 | upstream | d434405aaab7 | bfeda1b1 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce | 2021/03/31 10:37 | upstream | 2bb25b3a748a | 6a81331a | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce | 2021/03/22 01:14 | upstream | 5ee96fa9dd78 | bea32f74 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce-386 | 2022/05/22 08:46 | upstream | eaea45fc0e7b | 7268fa62 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce-386 | 2022/04/25 07:46 | upstream | af2d861d4cd2 | c889aef9 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce-386 | 2022/02/14 14:30 | upstream | 754e0b0e3560 | 8b9ca619 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce-386 | 2022/01/22 16:51 | upstream | 0809edbae347 | 214351e1 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce-386 | 2021/12/20 08:05 | upstream | a7904a538933 | 021b36cb | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-qemu-upstream-386 | 2021/10/20 09:58 | upstream | d9abdee5fd5a | 418a00eb | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-kasan-gce-386 | 2021/10/17 10:02 | upstream | d999ade1cc86 | 0c5d9412 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-qemu-upstream-386 | 2021/06/15 21:38 | upstream | 94f0b2d4a1d0 | 990d3cbe | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-qemu-upstream-386 | 2021/05/14 20:08 | upstream | bd3c9cdb21a2 | 8bdd5343 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-linux-next-kasan-gce-root | 2021/12/29 12:16 | linux-next | ea586a076e8a | 6cc879d4 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-linux-next-kasan-gce-root | 2021/12/22 03:22 | linux-next | 07f8c60fe60f | 6caa12e4 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-linux-next-kasan-gce-root | 2021/09/16 14:44 | linux-next | 368847b165bb | aae492f2 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-linux-next-kasan-gce-root | 2021/06/30 09:34 | linux-next | a1f92694393a | 84fd4c77 | .config | log | report | info | possible deadlock in vmci_qp_broker_detach | ||
ci-upstream-linux-next-kasan-gce-root | 2021/05/17 21:55 | linux-next | cd557f1c605f | a343ba6b | .config | log | report | info | possible deadlock in vmci_qp_broker_detach |