Undecimus: Unable to find kernel’s credentials in kernel memory

[ikhd]

Hello Guys, I was on 12.1.1 beta3 and make rootfs to update software from iphone to 12.4. I installed Unc0ver 3.5.0 and press jailbreak and it’s give me (Unable to find kernel’s credentials in kernel memory). !

Screenshots

Device:

• iOS Version: 12.4
• iOS Device: IPhone 7 Plus 128GB
• unc0ver Version: 3.5.0

Place an "x" between the brackets if true:

• [X ] this is a bug others will be able to reproduce
• [ ] this issue is present with all tweaks uninstalled(except for default packages) or disabled
• [X ] this issue is present after a rootfs restore
• [X ] this issue is present on the latest version of unc0ver

Logs
[] unc0ver Version: 3.5.0
[] Machine Name: iPhone9,4
[] Model Name: D111AP
[] Kernel Version: Darwin Kernel Version 18.7.0: Fri Jun 21 22:24:15 PDT 2019; root:xnu-4903.270.47~7/RELEASE_ARM64_T8010
[] Kernel Page Size: 0x4000
[] System Version: iOS 12.4 (Stable) (Build: 16G77)
[] Bundled Resources Version: 1.0~b23
[] Status: Jailbreak
[] Progress: Ready to jailbreak
[] Status: Jailbreaking
[] KernelUtilities.c(1508): Assertion failure
[+] memory_size: 3145728000
[] Progress: Exploiting kernel...
[] kernel_task port found; read 0xffffffe0065d1230 from 0xffffffe00778d800
[] Copied fake kernel_task port to its own page, cleaning up...
[] tfp0: 0x2d00b
[] Successfully exploited kernel.
[] Progress: Initializing jailbreak...
[] Finding kernel offsets...
[] kCFCoreFoundationVersionNumber: 1575.170000
[] offsets selected for iOS 12.0 or above
[] Escaping sandbox...
[] myProcAddr = 0xffffffe0075c9fc0
[] KernelUtilities.c(321): Assertion failure
[] kernelCredAddr = 0x0000000000000000
[*] Unable to find kernel's credentials in kernel memory.

[ikhd]

Also, cannot rootfs ! Same thing.

[jinx10000]

Uninstall and reinstall unc0ver has worked for at least one person with this specific error.

[jinx10000]

https://github.com/pwn20wndstuff/Undecimus/issues/1262

[ikhd]

Thanks @jinx10000 ... Solved !

[saeedbalkhair]

@jinx100000 thanks it worked