CVE-2024-26873
scsi: hisi_sas: Fix a deadlock issue related to automatic dump
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
In the Linux kernel, the following vulnerability has been resolved:
scsi: hisi_sas: Fix a deadlock issue related to automatic dump
If we issue a disabling PHY command, the device attached with it will go
offline, if a 2 bit ECC error occurs at the same time, a hung task may be
found:
[ 4613.652388] INFO: task kworker/u256:0:165233 blocked for more than 120 seconds.
[ 4613.666297] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 4613.674809] task:kworker/u256:0 state:D stack: 0 pid:165233 ppid: 2 flags:0x00000208
[ 4613.683959] Workqueue: 0000:74:02.0_disco_q sas_revalidate_domain [libsas]
[ 4613.691518] Call trace:
[ 4613.694678] __switch_to+0xf8/0x17c
[ 4613.698872] __schedule+0x660/0xee0
[ 4613.703063] schedule+0xac/0x240
[ 4613.706994] schedule_timeout+0x500/0x610
[ 4613.711705] __down+0x128/0x36c
[ 4613.715548] down+0x240/0x2d0
[ 4613.719221] hisi_sas_internal_abort_timeout+0x1bc/0x260 [hisi_sas_main]
[ 4613.726618] sas_execute_internal_abort+0x144/0x310 [libsas]
[ 4613.732976] sas_execute_internal_abort_dev+0x44/0x60 [libsas]
[ 4613.739504] hisi_sas_internal_task_abort_dev.isra.0+0xbc/0x1b0 [hisi_sas_main]
[ 4613.747499] hisi_sas_dev_gone+0x174/0x250 [hisi_sas_main]
[ 4613.753682] sas_notify_lldd_dev_gone+0xec/0x2e0 [libsas]
[ 4613.759781] sas_unregister_common_dev+0x4c/0x7a0 [libsas]
[ 4613.765962] sas_destruct_devices+0xb8/0x120 [libsas]
[ 4613.771709] sas_do_revalidate_domain.constprop.0+0x1b8/0x31c [libsas]
[ 4613.778930] sas_revalidate_domain+0x60/0xa4 [libsas]
[ 4613.784716] process_one_work+0x248/0x950
[ 4613.789424] worker_thread+0x318/0x934
[ 4613.793878] kthread+0x190/0x200
[ 4613.797810] ret_from_fork+0x10/0x18
[ 4613.802121] INFO: task kworker/u256:4:316722 blocked for more than 120 seconds.
[ 4613.816026] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 4613.824538] task:kworker/u256:4 state:D stack: 0 pid:316722 ppid: 2 flags:0x00000208
[ 4613.833670] Workqueue: 0000:74:02.0 hisi_sas_rst_work_handler [hisi_sas_main]
[ 4613.841491] Call trace:
[ 4613.844647] __switch_to+0xf8/0x17c
[ 4613.848852] __schedule+0x660/0xee0
[ 4613.853052] schedule+0xac/0x240
[ 4613.856984] schedule_timeout+0x500/0x610
[ 4613.861695] __down+0x128/0x36c
[ 4613.865542] down+0x240/0x2d0
[ 4613.869216] hisi_sas_controller_prereset+0x58/0x1fc [hisi_sas_main]
[ 4613.876324] hisi_sas_rst_work_handler+0x40/0x8c [hisi_sas_main]
[ 4613.883019] process_one_work+0x248/0x950
[ 4613.887732] worker_thread+0x318/0x934
[ 4613.892204] kthread+0x190/0x200
[ 4613.896118] ret_from_fork+0x10/0x18
[ 4613.900423] INFO: task kworker/u256:1:348985 blocked for more than 121 seconds.
[ 4613.914341] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 4613.922852] task:kworker/u256:1 state:D stack: 0 pid:348985 ppid: 2 flags:0x00000208
[ 4613.931984] Workqueue: 0000:74:02.0_event_q sas_port_event_worker [libsas]
[ 4613.939549] Call trace:
[ 4613.942702] __switch_to+0xf8/0x17c
[ 4613.946892] __schedule+0x660/0xee0
[ 4613.951083] schedule+0xac/0x240
[ 4613.955015] schedule_timeout+0x500/0x610
[ 4613.959725] wait_for_common+0x200/0x610
[ 4613.964349] wait_for_completion+0x3c/0x5c
[ 4613.969146] flush_workqueue+0x198/0x790
[ 4613.973776] sas_porte_broadcast_rcvd+0x1e8/0x320 [libsas]
[ 4613.979960] sas_port_event_worker+0x54/0xa0 [libsas]
[ 4613.985708] process_one_work+0x248/0x950
[ 4613.990420] worker_thread+0x318/0x934
[ 4613.994868] kthread+0x190/0x200
[ 4613.998800] ret_from_fork+0x10/0x18
This is because when the device goes offline, we obtain the hisi_hba
semaphore and send the ABORT_DEV command to the device. However, the
internal abort timed out due to the 2 bit ECC error and triggers automatic
dump. In addition, since the hisi_hba semaphore has been obtained, the dump
cannot be executed and the controller cannot be reset.
Therefore, the deadlocks occur on the following circular dependencies
---truncated---
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: hisi_sas: soluciona un problema de interbloqueo relacionado con el volcado automático. Si emitimos un comando de desactivación PHY, el dispositivo conectado se desconectará si se produce un error ECC de 2 bits en el Al mismo tiempo, se puede encontrar una tarea colgada: [ 4613.652388] INFORMACIÓN: tarea kworker/u256:0:165233 bloqueada durante más de 120 segundos. [4613.666297] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" desactiva este mensaje. [ 4613.674809] tarea:kworker/u256:0 estado:D pila: 0 pid:165233 ppid: 2 banderas:0x00000208 [ 4613.683959] Cola de trabajo: 0000:74:02.0_disco_q sas_revalidate_domain [libsas] [ 4613.691518] Rastreo de llamadas: [4613.694678] __switch_to +0xf8/0x17c [ 4613.698872] __programación+0x660/0xee0 [ 4613.703063] programación+0xac/0x240 [ 4613.706994] programación_timeout+0x500/0x610 [ 4613.711705] c [ 4613.715548] abajo+0x240/0x2d0 [ 4613.719221] hisi_sas_internal_abort_timeout+0x1bc /0x260 [hisi_sas_main] [ 4613.726618] sas_execute_internal_abort+0x144/0x310 [libsas] [ 4613.732976] sas_execute_internal_abort_dev+0x44/0x60 [libsas] [ 4613.739504] _dev.isra.0+0xbc/0x1b0 [hisi_sas_main] [ 4613.747499] hisi_sas_dev_gone+0x174/0x250 [hisi_sas_main] [ 4613.753682] sas_notify_lldd_dev_gone+0xec/0x2e0 [libsas] [ 4613.759781] sas_unregister_common_dev+0x4c/0x7a0 [libsas] [ 4613.765962] sas_destruct_devices+0xb8/0x120 [libsas] [ 4613.771709] sas_do_revalidate_domain.constprop.0+0x1b8/0x31c [libsas ] [ 4613.778930] sas_revalidate_domain+0x60/0xa4 [libsas] [ 4613.784716] Process_one_work+0x248/0x950 [ 4613.789424] trabajador_thread+0x318/0x934 [ 4613.793878] 0x200 [4613.797810] ret_from_fork+0x10/0x18 [4613.802121] INFORMACIÓN: tarea kworker/u256:4:316722 bloqueado durante más de 120 segundos. [4613.816026] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" desactiva este mensaje. [ 4613.824538] tarea:kworker/u256:4 estado:D pila: 0 pid:316722 ppid: 2 banderas:0x00000208 [ 4613.833670] Cola de trabajo: 0000:74:02.0 hisi_sas_rst_work_handler [hisi_sas_main] [ 4613.841491 ] Rastreo de llamadas: [4613.844647] __switch_to+ 0xf8/0x17c [ 4613.848852] __programación+0x660/0xee0 [ 4613.853052] programación+0xac/0x240 [ 4613.856984] programación_timeout+0x500/0x610 [ 4613.861695] c [ 4613.865542] abajo+0x240/0x2d0 [ 4613.869216] hisi_sas_controller_prereset+0x58/ 0x1fc [hisi_sas_main] [ 4613.876324] hisi_sas_rst_work_handler+0x40/0x8c [hisi_sas_main] [ 4613.883019] Process_one_work+0x248/0x950 [ 4613.887732] trabajador_thread+0x318/0x934 [ 461 3.892204] kthread+0x190/0x200 [ 4613.896118] ret_from_fork+0x10/0x18 [ 4613.900423] INFORMACIÓN: tarea kworker/u256:1:348985 bloqueada durante más de 121 segundos. [4613.914341] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" desactiva este mensaje. [ 4613.922852] tarea:kworker/u256:1 estado:D pila: 0 pid:348985 ppid: 2 banderas:0x00000208 [ 4613.931984] Cola de trabajo: 0000:74:02.0_event_q sas_port_event_worker [libsas] [ 4613.939549] Rastreo de llamadas: [4613.942702] __switch_to +0xf8/0x17c [ 4613.946892] __schedule+0x660/0xee0 [ 4613.951083] Schedule+0xac/0x240 [ 4613.955015] Schedule_timeout+0x500/0x610 [ 4613.959725] x610 [ 4613.964349] espera_para_compleción+0x3c/0x5c [ 4613.969146] descarga_cola de trabajo+0x198 /0x790 [ 4613.973776] sas_porte_broadcast_rcvd+0x1e8/0x320 [libsas] [ 4613.979960] sas_port_event_worker+0x54/0xa0 [libsas] [ 4613.985708] Process_one_work+0x248/0x950 [ 4613.9 90420] hilo_trabajador+0x318/0x934 [ 4613.994868] kthread+0x190/0x200 [ 4613.998800 ] ret_from_fork+0x10/0x18 Esto se debe a que cuando el dispositivo se desconecta, obtenemos el semáforo hisi_hba y enviamos el comando ABORT_DEV al dispositivo. Sin embargo, el aborto interno expiró debido al error ECC de 2 bits y activa el volcado automático. Además, dado que se obtuvo el semáforo hisi_hba, el volcado no se puede ejecutar y el controlador no se puede restablecer. Por lo tanto, los interbloqueos ocurren en las siguientes dependencias circulares ---truncadas---
CVSS Scores
SSVC
- Decision:Track
Timeline
- 2024-02-19 CVE Reserved
- 2024-04-17 CVE Published
- 2024-04-18 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://git.kernel.org/stable/c/2ff07b5c6fe9173e7a7de3b23f300d71ad4d8fde | Vuln. Introduced |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.7 < 6.7.11 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.7 < 6.7.11" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.7 < 6.8.2 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.7 < 6.8.2" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.7 < 6.9 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.7 < 6.9" | en |
Affected
| ||||||