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6b56b0ca93
freebsd-skq/sys
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Konstantin Belousov 6b56b0ca93 nullfs: ensure correct lock is taken after bypass. 
If lower VOP relocked the lower vnode, it is possible that nullfs
vnode was reclaimed meantime.  In this case nullfs vnode no longer
shares lock with lower vnode, which breaks locking protocol.

Check for the condition and acquire nullfs vnode lock if detected.

Reported and tested by:	pho
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
2020-10-19 19:23:22 +00:00
..
amd64 vmx: Implement pmap (de)activation in C 2020-10-19 15:24:35 +00:00
arm Simplify preload_dump() condition 2020-10-15 20:21:15 +00:00
arm64 Remove unused labels from the arm64 casueword* 2020-10-19 15:52:42 +00:00
bsm
cam Fix sbuf_finish() error code check in user-space. 2020-10-13 23:29:06 +00:00
cddl Update OpenZFS to 2.0.0-rc3-gfc5966 2020-10-17 01:06:04 +00:00
compat Add compat.linux.dummy_rlimits, and disable by default. 2020-10-18 15:58:16 +00:00
conf [zfs] Remove a non-existent directory in the build infra 2020-10-18 22:37:58 +00:00
contrib Update OpenZFS to 2.0.0-rc3-gfc5966 2020-10-17 01:06:04 +00:00
crypto Add support for ESN in AES-NI crypto driver 2020-10-16 11:21:56 +00:00
ddb ddb: clean up empty lines in .c and .h files 2020-09-01 22:14:30 +00:00
dev Assign the reserved apic region (GAS entry) to the iommu domain msi_entry. 2020-10-19 15:50:58 +00:00
dts Brand our DTS with the Linux version it was imported from 2020-10-10 07:18:51 +00:00
fs nullfs: ensure correct lock is taken after bypass. 2020-10-19 19:23:22 +00:00
gdb gdb(4): Don't escape GDB special characters at application layer 2020-09-30 14:55:54 +00:00
geom Make g_attach() return ENXIO for orphaned providers; update various 2020-10-18 16:24:08 +00:00
gnu Brand our DTS with the Linux version it was imported from 2020-10-10 07:18:51 +00:00
i386 Properly clear PCB_KERNNPX in fpu_kern_leave(). 2020-10-19 17:35:45 +00:00
isa
kern vgonel(): avoid recursing into VOP_INACTIVE(). 2020-10-19 19:20:23 +00:00
kgssapi State kgssapi dependency on xdr. 2020-09-17 22:29:38 +00:00
libkern arc4random(9): Integrate with RANDOM_FENESTRASX push-reseed 2020-10-10 21:48:06 +00:00
mips Avoid dump_avail[] redefinition. 2020-10-14 22:51:40 +00:00
modules Update OpenZFS to 2.0.0-rc3-gfc5966 2020-10-17 01:06:04 +00:00
net Implement flowid calculation for outbound connections to balance 2020-10-18 17:15:47 +00:00
net80211 net80211: factor out the priv(9) checks into OS specifc code. 2020-10-18 21:34:04 +00:00
netgraph ng_l2tp: Fix callout synchronization in the rexmit timeout handler 2020-09-25 18:55:50 +00:00
netinet icmp6: Count packets dropped due to an invalid hop limit 2020-10-19 17:07:19 +00:00
netinet6 icmp6: Count packets dropped due to an invalid hop limit 2020-10-19 17:07:19 +00:00
netipsec Trigger soft lifetime expiration on sequence number 2020-10-16 11:27:01 +00:00
netpfil Add IPv4 fragments reassembling to NAT64LSN. 2020-10-13 18:57:42 +00:00
netsmb net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
nfs nfs: clean up empty lines in .c and .h files 2020-09-01 21:25:39 +00:00
nfsclient nfs: clean up empty lines in .c and .h files 2020-09-01 21:25:39 +00:00
nfsserver nfs: clean up empty lines in .c and .h files 2020-09-01 21:25:39 +00:00
nlm nlm: clean up empty lines in .c and .h files 2020-09-01 22:14:52 +00:00
ofed Allow IP over IB to work with multiple FIBs. 2020-10-13 20:41:51 +00:00
opencrypto Mark asymmetric cryptography via OCF deprecated for 14.0. 2020-10-19 18:21:41 +00:00
powerpc Avoid dump_avail[] redefinition. 2020-10-14 22:51:40 +00:00
riscv riscv: zero reserved PTE bits for L2 PTEs 2020-10-17 17:31:06 +00:00
rpc Fix a potential memory leak in the NFS over TLS handling code. 2020-09-05 00:50:52 +00:00
security mac_framework.h: fix build with DEBUG_VFS_LOCKS and !MAC 2020-09-03 20:30:52 +00:00
sys Manage MSI iommu pages. 2020-10-19 13:10:21 +00:00
teken Do a sweep and remove most WARNS=6 settings 2020-10-01 01:10:51 +00:00
tests Add small tool to invoke kernel test framework tests. 2020-09-02 09:20:40 +00:00
tools Brand our DTS with the Linux version it was imported from 2020-10-10 07:18:51 +00:00
ufs Do not leak B_BARRIER. 2020-10-08 22:41:02 +00:00
vm uma: fix KTR message after r366840 2020-10-19 18:54:44 +00:00
x86 Assign the reserved apic region (GAS entry) to the iommu domain msi_entry. 2020-10-19 15:50:58 +00:00
xdr xdr: clean up empty lines in .c and .h files 2020-09-01 22:13:28 +00:00
xen xen: clean up empty lines in .c and .h files 2020-09-01 21:21:55 +00:00
Makefile