linux/drivers/nfc
Minsuk Kang 9dab880d67 nfc: pn533: Wait for out_urb's completion in pn533_usb_send_frame()
Fix a use-after-free that occurs in hcd when in_urb sent from
pn533_usb_send_frame() is completed earlier than out_urb. Its callback
frees the skb data in pn533_send_async_complete() that is used as a
transfer buffer of out_urb. Wait before sending in_urb until the
callback of out_urb is called. To modify the callback of out_urb alone,
separate the complete function of out_urb and ack_urb.

Found by a modified version of syzkaller.

BUG: KASAN: use-after-free in dummy_timer
Call Trace:
 memcpy (mm/kasan/shadow.c:65)
 dummy_perform_transfer (drivers/usb/gadget/udc/dummy_hcd.c:1352)
 transfer (drivers/usb/gadget/udc/dummy_hcd.c:1453)
 dummy_timer (drivers/usb/gadget/udc/dummy_hcd.c:1972)
 arch_static_branch (arch/x86/include/asm/jump_label.h:27)
 static_key_false (include/linux/jump_label.h:207)
 timer_expire_exit (include/trace/events/timer.h:127)
 call_timer_fn (kernel/time/timer.c:1475)
 expire_timers (kernel/time/timer.c:1519)
 __run_timers (kernel/time/timer.c:1790)
 run_timer_softirq (kernel/time/timer.c:1803)

Fixes: c46ee38620 ("NFC: pn533: add NXP pn533 nfc device driver")
Signed-off-by: Minsuk Kang <linuxlovemin@yonsei.ac.kr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-09 07:34:13 +00:00
..
fdp nfc: fdp: Fix potential memory leak in fdp_nci_send() 2022-10-30 21:43:26 +00:00
microread nfc: microread: Convert to i2c's .probe_new() 2022-11-23 12:50:06 -08:00
nfcmrvl Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-11-29 13:04:52 -08:00
nxp-nci Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-11-29 13:04:52 -08:00
pn533 nfc: pn533: Wait for out_urb's completion in pn533_usb_send_frame() 2023-01-09 07:34:13 +00:00
pn544 nfc: pn544: Convert to i2c's .probe_new() 2022-11-23 12:50:07 -08:00
s3fwrn5 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-11-29 13:04:52 -08:00
st21nfca nfc: st21nfca: i2c: Convert to i2c's .probe_new() 2022-11-23 12:50:08 -08:00
st95hf spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
st-nci Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-11-29 13:04:52 -08:00
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 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2021-07-31 09:14:46 -07:00
port100.c NFC: port100: fix use-after-free in port100_send_complete 2022-03-09 19:59:34 -08:00
trf7970a.c spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
virtual_ncidev.c NFC: nci: Allow to create multiple virtual nci devices 2022-11-17 13:48:01 +01:00