From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org,
syzbot+e6aba77967bd72cbc9d6@syzkaller.appspotmail.com,
Leon Romanovsky <leonro@mellanox.com>,
Sean Hefty <sean.hefty@intel.com>,
Doug Ledford <dledford@redhat.com>
Subject: [PATCH 4.14 74/77] RDMA/ucma: Fix access to non-initialized CM_ID object
Date: Fri, 23 Mar 2018 10:54:48 +0100 [thread overview]
Message-ID: <20180323094147.252564289@linuxfoundation.org> (raw)
In-Reply-To: <20180323094142.260022880@linuxfoundation.org>
4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Leon Romanovsky <leonro@mellanox.com>
commit 7688f2c3bbf55e52388e37ac5d63ca471a7712e1 upstream.
The attempt to join multicast group without ensuring that CMA device
exists will lead to the following crash reported by syzkaller.
[ 64.076794] BUG: KASAN: null-ptr-deref in rdma_join_multicast+0x26e/0x12c0
[ 64.076797] Read of size 8 at addr 00000000000000b0 by task join/691
[ 64.076797]
[ 64.076800] CPU: 1 PID: 691 Comm: join Not tainted 4.16.0-rc1-00219-gb97853b65b93 #23
[ 64.076802] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.11.0-0-g63451fca13-prebuilt.qemu-proj4
[ 64.076803] Call Trace:
[ 64.076809] dump_stack+0x5c/0x77
[ 64.076817] kasan_report+0x163/0x380
[ 64.085859] ? rdma_join_multicast+0x26e/0x12c0
[ 64.086634] rdma_join_multicast+0x26e/0x12c0
[ 64.087370] ? rdma_disconnect+0xf0/0xf0
[ 64.088579] ? __radix_tree_replace+0xc3/0x110
[ 64.089132] ? node_tag_clear+0x81/0xb0
[ 64.089606] ? idr_alloc_u32+0x12e/0x1a0
[ 64.090517] ? __fprop_inc_percpu_max+0x150/0x150
[ 64.091768] ? tracing_record_taskinfo+0x10/0xc0
[ 64.092340] ? idr_alloc+0x76/0xc0
[ 64.092951] ? idr_alloc_u32+0x1a0/0x1a0
[ 64.093632] ? ucma_process_join+0x23d/0x460
[ 64.094510] ucma_process_join+0x23d/0x460
[ 64.095199] ? ucma_migrate_id+0x440/0x440
[ 64.095696] ? futex_wake+0x10b/0x2a0
[ 64.096159] ucma_join_multicast+0x88/0xe0
[ 64.096660] ? ucma_process_join+0x460/0x460
[ 64.097540] ? _copy_from_user+0x5e/0x90
[ 64.098017] ucma_write+0x174/0x1f0
[ 64.098640] ? ucma_resolve_route+0xf0/0xf0
[ 64.099343] ? rb_erase_cached+0x6c7/0x7f0
[ 64.099839] __vfs_write+0xc4/0x350
[ 64.100622] ? perf_syscall_enter+0xe4/0x5f0
[ 64.101335] ? kernel_read+0xa0/0xa0
[ 64.103525] ? perf_sched_cb_inc+0xc0/0xc0
[ 64.105510] ? syscall_exit_register+0x2a0/0x2a0
[ 64.107359] ? __switch_to+0x351/0x640
[ 64.109285] ? fsnotify+0x899/0x8f0
[ 64.111610] ? fsnotify_unmount_inodes+0x170/0x170
[ 64.113876] ? __fsnotify_update_child_dentry_flags+0x30/0x30
[ 64.115813] ? ring_buffer_record_is_on+0xd/0x20
[ 64.117824] ? __fget+0xa8/0xf0
[ 64.119869] vfs_write+0xf7/0x280
[ 64.122001] SyS_write+0xa1/0x120
[ 64.124213] ? SyS_read+0x120/0x120
[ 64.126644] ? SyS_read+0x120/0x120
[ 64.128563] do_syscall_64+0xeb/0x250
[ 64.130732] entry_SYSCALL_64_after_hwframe+0x21/0x86
[ 64.132984] RIP: 0033:0x7f5c994ade99
[ 64.135699] RSP: 002b:00007f5c99b97d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 64.138740] RAX: ffffffffffffffda RBX: 00000000200001e4 RCX: 00007f5c994ade99
[ 64.141056] RDX: 00000000000000a0 RSI: 00000000200001c0 RDI: 0000000000000015
[ 64.143536] RBP: 00007f5c99b97ec0 R08: 0000000000000000 R09: 0000000000000000
[ 64.146017] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5c99b97fc0
[ 64.148608] R13: 0000000000000000 R14: 00007fff660e1c40 R15: 00007f5c99b989c0
[ 64.151060]
[ 64.153703] Disabling lock debugging due to kernel taint
[ 64.156032] BUG: unable to handle kernel NULL pointer dereference at 00000000000000b0
[ 64.159066] IP: rdma_join_multicast+0x26e/0x12c0
[ 64.161451] PGD 80000001d0298067 P4D 80000001d0298067 PUD 1dea39067 PMD 0
[ 64.164442] Oops: 0000 [#1] SMP KASAN PTI
[ 64.166817] CPU: 1 PID: 691 Comm: join Tainted: G B 4.16.0-rc1-00219-gb97853b65b93 #23
[ 64.170004] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.11.0-0-g63451fca13-prebuilt.qemu-proj4
[ 64.174985] RIP: 0010:rdma_join_multicast+0x26e/0x12c0
[ 64.177246] RSP: 0018:ffff8801c8207860 EFLAGS: 00010282
[ 64.179901] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff94789522
[ 64.183344] RDX: 1ffffffff2d50fa5 RSI: 0000000000000297 RDI: 0000000000000297
[ 64.186237] RBP: ffff8801c8207a50 R08: 0000000000000000 R09: ffffed0039040ea7
[ 64.189328] R10: 0000000000000001 R11: ffffed0039040ea6 R12: 0000000000000000
[ 64.192634] R13: 0000000000000000 R14: ffff8801e2022800 R15: ffff8801d4ac2400
[ 64.196105] FS: 00007f5c99b98700(0000) GS:ffff8801e5d00000(0000) knlGS:0000000000000000
[ 64.199211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 64.202046] CR2: 00000000000000b0 CR3: 00000001d1c48004 CR4: 00000000003606a0
[ 64.205032] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 64.208221] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 64.211554] Call Trace:
[ 64.213464] ? rdma_disconnect+0xf0/0xf0
[ 64.216124] ? __radix_tree_replace+0xc3/0x110
[ 64.219337] ? node_tag_clear+0x81/0xb0
[ 64.222140] ? idr_alloc_u32+0x12e/0x1a0
[ 64.224422] ? __fprop_inc_percpu_max+0x150/0x150
[ 64.226588] ? tracing_record_taskinfo+0x10/0xc0
[ 64.229763] ? idr_alloc+0x76/0xc0
[ 64.232186] ? idr_alloc_u32+0x1a0/0x1a0
[ 64.234505] ? ucma_process_join+0x23d/0x460
[ 64.237024] ucma_process_join+0x23d/0x460
[ 64.240076] ? ucma_migrate_id+0x440/0x440
[ 64.243284] ? futex_wake+0x10b/0x2a0
[ 64.245302] ucma_join_multicast+0x88/0xe0
[ 64.247783] ? ucma_process_join+0x460/0x460
[ 64.250841] ? _copy_from_user+0x5e/0x90
[ 64.253878] ucma_write+0x174/0x1f0
[ 64.257008] ? ucma_resolve_route+0xf0/0xf0
[ 64.259877] ? rb_erase_cached+0x6c7/0x7f0
[ 64.262746] __vfs_write+0xc4/0x350
[ 64.265537] ? perf_syscall_enter+0xe4/0x5f0
[ 64.267792] ? kernel_read+0xa0/0xa0
[ 64.270358] ? perf_sched_cb_inc+0xc0/0xc0
[ 64.272575] ? syscall_exit_register+0x2a0/0x2a0
[ 64.275367] ? __switch_to+0x351/0x640
[ 64.277700] ? fsnotify+0x899/0x8f0
[ 64.280530] ? fsnotify_unmount_inodes+0x170/0x170
[ 64.283156] ? __fsnotify_update_child_dentry_flags+0x30/0x30
[ 64.286182] ? ring_buffer_record_is_on+0xd/0x20
[ 64.288749] ? __fget+0xa8/0xf0
[ 64.291136] vfs_write+0xf7/0x280
[ 64.292972] SyS_write+0xa1/0x120
[ 64.294965] ? SyS_read+0x120/0x120
[ 64.297474] ? SyS_read+0x120/0x120
[ 64.299751] do_syscall_64+0xeb/0x250
[ 64.301826] entry_SYSCALL_64_after_hwframe+0x21/0x86
[ 64.304352] RIP: 0033:0x7f5c994ade99
[ 64.306711] RSP: 002b:00007f5c99b97d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 64.309577] RAX: ffffffffffffffda RBX: 00000000200001e4 RCX: 00007f5c994ade99
[ 64.312334] RDX: 00000000000000a0 RSI: 00000000200001c0 RDI: 0000000000000015
[ 64.315783] RBP: 00007f5c99b97ec0 R08: 0000000000000000 R09: 0000000000000000
[ 64.318365] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5c99b97fc0
[ 64.320980] R13: 0000000000000000 R14: 00007fff660e1c40 R15: 00007f5c99b989c0
[ 64.323515] Code: e8 e8 79 08 ff 4c 89 ff 45 0f b6 a7 b8 01 00 00 e8 68 7c 08 ff 49 8b 1f 4d 89 e5 49 c1 e4 04 48 8
[ 64.330753] RIP: rdma_join_multicast+0x26e/0x12c0 RSP: ffff8801c8207860
[ 64.332979] CR2: 00000000000000b0
[ 64.335550] ---[ end trace 0c00c17a408849c1 ]---
Reported-by: <syzbot+e6aba77967bd72cbc9d6@syzkaller.appspotmail.com>
Fixes: c8f6a362bf3e ("RDMA/cma: Add multicast communication support")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/infiniband/core/cma.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -4120,6 +4120,9 @@ int rdma_join_multicast(struct rdma_cm_i
struct cma_multicast *mc;
int ret;
+ if (!id->device)
+ return -EINVAL;
+
id_priv = container_of(id, struct rdma_id_private, id);
if (!cma_comp(id_priv, RDMA_CM_ADDR_BOUND) &&
!cma_comp(id_priv, RDMA_CM_ADDR_RESOLVED))
next prev parent reply other threads:[~2018-03-23 11:43 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-23 9:53 [PATCH 4.14 00/77] 4.14.30-stable review Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 01/77] scsi: megaraid_sas: Do not use 32-bit atomic request descriptor for Ventura controllers Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 02/77] staging: android: ashmem: Fix possible deadlock in ashmem_ioctl Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 03/77] Bluetooth: hci_qca: Avoid setup failure on missing rampatch Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 04/77] Bluetooth: btqcomsmd: Fix skb double free corruption Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 05/77] cpufreq: longhaul: Revert transition_delay_us to 200 ms Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 06/77] media: c8sectpfe: fix potential NULL pointer dereference in c8sectpfe_timer_interrupt Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 07/77] drm/msm: fix leak in failed get_pages Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 08/77] net: fec: add phy_reset_after_clk_enable() support Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 09/77] RDMA/iwpm: Fix uninitialized error code in iwpm_send_mapinfo() Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 10/77] hv_netvsc: Fix the receive buffer size limit Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 11/77] hv_netvsc: Fix the TX/RX buffer default sizes Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 12/77] spi: sh-msiof: Avoid writing to registers from spi_master.setup() Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 13/77] rtlwifi: rtl_pci: Fix the bug when inactiveps is enabled Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 14/77] rtlwifi: always initialize variables given to RT_TRACE() Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 15/77] media: bt8xx: Fix err bt878_probe() Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 16/77] ath10k: handling qos at STA side based on AP WMM enable/disable Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 17/77] media: [RESEND] media: dvb-frontends: Add delay to Si2168 restart Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 18/77] qmi_wwan: set FLAG_SEND_ZLP to avoid network initiated disconnect Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 19/77] tty: goldfish: Enable earlycon only if built-in Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 20/77] serial: 8250_dw: Disable clock on error Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 21/77] cros_ec: fix nul-termination for firmware build info Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 22/77] watchdog: Fix potential kref imbalance when opening watchdog Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 23/77] watchdog: Fix kref imbalance seen if handle_boot_enabled=0 Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 24/77] platform/chrome: Use proper protocol transfer function Greg Kroah-Hartman
2018-03-23 9:53 ` [PATCH 4.14 25/77] dmaengine: zynqmp_dma: Fix race condition in the probe Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 26/77] drm/tilcdc: ensure nonatomic iowrite64 is not used Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 27/77] mmc: avoid removing non-removable hosts during suspend Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 28/77] mmc: block: fix logical error to avoid memory leak Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 29/77] /dev/mem: Add bounce buffer for copy-out Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 30/77] net: phy: meson-gxl: check phy_write return value Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 31/77] sfp: fix EEPROM reading in the case of non-SFF8472 SFPs Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 32/77] sfp: fix non-detection of PHY Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 33/77] media: s5p-mfc: Fix lock contention - request_firmware() once Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 34/77] rtc: ac100: Fix multiple race conditions Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 35/77] IB/ipoib: Avoid memory leak if the SA returns a different DGID Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 36/77] RDMA/cma: Use correct size when writing netlink stats Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 37/77] IB/umem: Fix use of npages/nmap fields Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 38/77] iser-target: avoid reinitializing rdma contexts for isert commands Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 39/77] vgacon: Set VGA struct resource types Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 40/77] omapdrm: panel: fix compatible vendor string for td028ttec1 Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 41/77] mmc: sdhci-xenon: wait 5ms after set 1.8V signal enable Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 42/77] drm/omap: DMM: Check for DMM readiness after successful transaction commit Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 43/77] pty: cancel pty slave port bufs work in tty_release Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 44/77] coresight: Fix disabling of CoreSight TPIU Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 45/77] PCI: designware-ep: Fix ->get_msi() to check MSI_EN bit Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 46/77] PCI: endpoint: Fix find_first_zero_bit() usage Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 47/77] PCI: rcar: Handle rcar_pcie_parse_request_of_pci_ranges() failures Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 48/77] media: davinci: fix a debug printk Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 49/77] pinctrl: Really force states during suspend/resume Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 50/77] pinctrl: rockchip: enable clock when reading pin direction register Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 51/77] iommu/vt-d: clean up pr_irq if request_threaded_irq fails Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 52/77] ip6_vti: adjust vti mtu according to mtu of lower device Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 53/77] ip_gre: fix error path when erspan_rcv failed Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 54/77] ip_gre: fix potential memory leak in erspan_rcv Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 55/77] soc: qcom: smsm: fix child-node lookup Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 56/77] scsi: lpfc: Fix SCSI LUN discovery when SCSI and NVME enabled Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 57/77] scsi: lpfc: Fix issues connecting with nvme initiator Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 58/77] RDMA/ocrdma: Fix permissions for OCRDMA_RESET_STATS Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 59/77] ARM: dts: aspeed-evb: Add unit name to memory node Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 60/77] nfsd4: permit layoutget of executable-only files Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 61/77] clk: at91: pmc: Wait for clocks when resuming Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 62/77] clk: Dont touch hardware when reparenting during registration Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 63/77] clk: axi-clkgen: Correctly handle nocount bit in recalc_rate() Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 64/77] clk: si5351: Rename internal plls to avoid name collisions Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 65/77] crypto: artpec6 - set correct iv size for gcm(aes) Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 66/77] dmaengine: ti-dma-crossbar: Fix event mapping for TPCC_EVT_MUX_60_63 Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 67/77] scsi: mpt3sas: fix oops in error handlers after shutdown/unload Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 68/77] scsi: mpt3sas: wait for and flush running commands on shutdown/unload Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 69/77] IB/mlx5: Fix integer overflows in mlx5_ib_create_srq Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 70/77] IB/mlx5: Fix out-of-bounds read in create_raw_packet_qp_rq Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 71/77] serial: 8250_pci: Dont fail on multiport card class Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 72/77] RDMA/core: Do not use invalid destination in determining port reuse Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 73/77] clk: migrate the count of orphaned clocks at init Greg Kroah-Hartman
2018-03-23 9:54 ` Greg Kroah-Hartman [this message]
2018-03-23 9:54 ` [PATCH 4.14 75/77] RDMA/ucma: Dont allow join attempts for unsupported AF family Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 76/77] kbuild: fix linker feature test macros when cross compiling with Clang Greg Kroah-Hartman
2018-03-23 9:54 ` [PATCH 4.14 77/77] RDMA/vmw_pvrdma: Fix usage of user response structures in ABI file Greg Kroah-Hartman
2018-03-23 15:40 ` [PATCH 4.14 00/77] 4.14.30-stable review kernelci.org bot
2018-03-23 20:47 ` Shuah Khan
2018-03-24 0:11 ` Guenter Roeck
2018-03-24 16:17 ` Naresh Kamboju
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