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linux/drivers/ptp
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I Viswanath e9f35294e1 ptp: Add a upper bound on max_vclocks 
syzbot reported WARNING in max_vclocks_store.

This occurs when the argument max is too large for kcalloc to handle.

Extend the guard to guard against values that are too large for
kcalloc

Reported-by: syzbot+94d20db923b9f51be0df@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=94d20db923b9f51be0df
Tested-by: syzbot+94d20db923b9f51be0df@syzkaller.appspotmail.com
Fixes: 73f37068d5 ("ptp: support ptp physical/virtual clocks conversion")
Signed-off-by: I Viswanath <viswanathiyyappan@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Link: https://patch.msgid.link/20250925155908.5034-1-viswanathiyyappan@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-26 15:30:31 -07:00
..
Kconfig ptp: Do not enable by default during compile testing 2025-04-22 18:43:10 -07:00
Makefile s390/time: Add PtP driver 2024-10-30 17:02:39 -07:00
ptp_chardev.c ptp: Enable auxiliary clocks for PTP_SYS_OFFSET_EXTENDED 2025-07-03 15:36:06 +02:00
ptp_clock.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-06-19 13:00:24 -07:00
ptp_clockmatrix.c net: ptp: introduce .supported_extts_flags to ptp_clock_info 2025-04-15 20:20:57 -07:00
ptp_clockmatrix.h ptp: ptp_clockmatrix: Add .getmaxphase ptp_clock_info callback 2023-06-20 09:02:33 +01:00
ptp_dfl_tod.c ptp: add ToD device driver for Intel FPGA cards 2023-03-29 21:25:48 -07:00
ptp_dte.c Get rid of 'remove_new' relic from platform driver struct 2024-12-01 15:12:43 -08:00
ptp_fc3.c net: ptp: introduce .supported_extts_flags to ptp_clock_info 2025-04-15 20:20:57 -07:00
ptp_fc3.h ptp: add FemtoClock3 Wireless as ptp hardware clock 2024-01-29 13:00:23 +00:00
ptp_idt82p33.c net: ptp: introduce .supported_extts_flags to ptp_clock_info 2025-04-15 20:20:57 -07:00
ptp_idt82p33.h ptp: idt82p33: Add .getmaxphase ptp_clock_info callback 2023-06-20 09:02:33 +01:00
ptp_ines.c Get rid of 'remove_new' relic from platform driver struct 2024-12-01 15:12:43 -08:00
ptp_kvm_arm.c treewide: Remove system_counterval_t.cs, which is never read 2024-02-07 17:05:21 +01:00
ptp_kvm_common.c treewide: Remove system_counterval_t.cs, which is never read 2024-02-07 17:05:21 +01:00
ptp_kvm_x86.c ptp: kvm: x86: Return EOPNOTSUPP instead of ENODEV from kvm_arch_ptp_init() 2024-12-06 17:38:11 -08:00
ptp_mock.c time/timecounter: Fix the lie that struct cyclecounter is const 2025-07-01 15:38:25 +02:00
ptp_ocp.c ptp: ocp: fix use-after-free bugs causing by ptp_ocp_watchdog 2025-08-29 19:10:22 -07:00
ptp_pch.c ptp_pch: Replace deprecated PCI functions 2024-10-31 18:53:35 -07:00
ptp_private.h ptp: Add a upper bound on max_vclocks 2025-09-26 15:30:31 -07:00
ptp_qoriq.c Get rid of 'remove_new' relic from platform driver struct 2024-12-01 15:12:43 -08:00
ptp_qoriq_debugfs.c ptp_qoriq: add little enadian support 2019-02-12 12:58:48 -05:00
ptp_s390.c s390/time: Add PtP driver 2024-10-30 17:02:39 -07:00
ptp_sysfs.c ptp: Add a upper bound on max_vclocks 2025-09-26 15:30:31 -07:00
ptp_vclock.c ptp: prevent possible ABBA deadlock in ptp_clock_freerun() 2025-08-12 14:17:35 -07:00
ptp_vmclock.c ptp: vmclock: Remove goto-based cleanup logic 2025-02-11 10:20:52 +01:00
ptp_vmw.c ptp/vmware: Use VMware hypercall API 2024-06-25 17:15:47 +02:00