linux/drivers/nfc
Edward Adam Davis 41f5e2840c nfc/nci: Add the inconsistency check between the input data length and count
[ Upstream commit 068648aab7 ]

write$nci(r0, &(0x7f0000000740)=ANY=[@ANYBLOB="610501"], 0xf)

Syzbot constructed a write() call with a data length of 3 bytes but a count value
of 15, which passed too little data to meet the basic requirements of the function
nci_rf_intf_activated_ntf_packet().

Therefore, increasing the comparison between data length and count value to avoid
problems caused by inconsistent data length and count.

Reported-and-tested-by: syzbot+71bfed2b2bcea46c98f2@syzkaller.appspotmail.com
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-07-11 12:47:18 +02:00
..
fdp nfc: fdp: add null check of devm_kmalloc_array in fdp_nci_i2c_read_device_properties 2023-03-17 08:50:22 +01:00
microread i2c: Make remove callback return void 2022-08-16 12:46:26 +02:00
nfcmrvl nfc: nfcmrvl: Fix potential memory leak in nfcmrvl_i2c_nci_send() 2022-11-21 08:31:52 +00:00
nxp-nci nfc: nxp-nci: Fix potential memory leak in nxp_nci_send() 2022-11-21 08:31:53 +00:00
pn533 nfc: pn533: initialize struct pn533_out_arg properly 2023-03-22 13:33:44 +01:00
pn544 i2c: Make remove callback return void 2022-08-16 12:46:26 +02:00
s3fwrn5 nfc: s3fwrn5: Fix potential memory leak in s3fwrn5_nci_send() 2022-11-21 08:31:53 +00:00
st-nci nfc: st-nci: Fix use after free bug in ndlc_remove due to race condition 2023-03-22 13:33:46 +01:00
st21nfca nfc: fix memory leak of se_io context in nfc_genl_se_io 2023-03-11 13:55:27 +01:00
st95hf spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
Kconfig nfc: Add a virtual nci device driver 2021-01-29 18:03:33 -08:00
Makefile nfc: Add a virtual nci device driver 2021-01-29 18:03:33 -08:00
mei_phy.c nfc: mei_phy: constify buffer passed to mei_nfc_send() 2021-07-29 12:28:02 +01:00
mei_phy.h nfc: constify nfc_phy_ops 2021-07-25 09:21:21 +01:00
nfcsim.c nfcsim.c: Fix error checking for debugfs_create_dir 2023-06-28 11:12:36 +02:00
port100.c NFC: port100: fix use-after-free in port100_send_complete 2022-03-09 19:59:34 -08:00
trf7970a.c NFC: trf7970a: disable all regulators on removal 2024-05-02 16:29:24 +02:00
virtual_ncidev.c nfc/nci: Add the inconsistency check between the input data length and count 2024-07-11 12:47:18 +02:00