Rohit Maheshwari 38f7e1c0c4 net/tls: race causes kernel panic ... BUG: kernel NULL pointer dereference, address: 00000000000000b8 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 80000008b6fef067 P4D 80000008b6fef067 PUD 8b6fe6067 PMD 0 Oops: 0000 [#1] SMP PTI CPU: 12 PID: 23871 Comm: kworker/12:80 Kdump: loaded Tainted: G S 5.9.0-rc3+ #1 Hardware name: Supermicro X10SRA-F/X10SRA-F, BIOS 2.1 03/29/2018 Workqueue: events tx_work_handler [tls] RIP: 0010:tx_work_handler+0x1b/0x70 [tls] Code: dc fe ff ff e8 16 d4 a3 f6 66 0f 1f 44 00 00 0f 1f 44 00 00 55 53 48 8b 6f 58 48 8b bd a0 04 00 00 48 85 ff 74 1c 48 8b 47 28 <48> 8b 90 b8 00 00 00 83 e2 02 75 0c f0 48 0f ba b0 b8 00 00 00 00 RSP: 0018:ffffa44ace61fe88 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff91da9e45cc30 RCX: dead000000000122 RDX: 0000000000000001 RSI: ffff91da9e45cc38 RDI: ffff91d95efac200 RBP: ffff91da133fd780 R08: 0000000000000000 R09: 000073746e657665 R10: 8080808080808080 R11: 0000000000000000 R12: ffff91dad7d30700 R13: ffff91dab6561080 R14: 0ffff91dad7d3070 R15: ffff91da9e45cc38 FS: 0000000000000000(0000) GS:ffff91dad7d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000000b8 CR3: 0000000906478003 CR4: 00000000003706e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: process_one_work+0x1a7/0x370 worker_thread+0x30/0x370 ? process_one_work+0x370/0x370 kthread+0x114/0x130 ? kthread_park+0x80/0x80 ret_from_fork+0x22/0x30 tls_sw_release_resources_tx() waits for encrypt_pending, which can have race, so we need similar changes as in commit 0cada33241 here as well. Fixes: a42055e8d2 ("net/tls: Add support for async encryption of records for performance") Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com> Acked-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>		2020-09-24 20:06:29 -07:00
..
6lowpan	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
9p	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
802
8021q	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
appletalk	appletalk: Fix atalk_proc_init() return path	2020-08-03 15:48:32 -07:00
atm	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
ax25	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2020-07-25 17:49:04 -07:00
batman-adv	batman-adv: mcast: fix duplicate mcast packets from BLA backbone to mesh	2020-09-15 10:05:24 +02:00
bluetooth	mm, treewide: rename kzfree() to kfree_sensitive()	2020-08-07 11:33:22 -07:00
bpf	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
bpfilter	Merge branch 'exec-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2020-08-04 14:27:25 -07:00
bridge	net: bridge: br_vlan_get_pvid_rcu() should dereference the VLAN group under RCU	2020-09-21 17:37:44 -07:00
caif	net: caif: fix error code handling	2020-08-25 07:50:25 -07:00
can	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
ceph	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
core	Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf	2020-09-15 19:26:21 -07:00
dcb	net: DCB: Validate DCB_ATTR_DCB_BUFFER argument	2020-09-10 15:09:08 -07:00
dccp	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
decnet	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
dns_resolver	docs: networking: convert dns_resolver.txt to ReST	2020-04-28 14:39:46 -07:00
dsa	net: mscc: ocelot: add locking for the port TX timestamp ID	2020-09-18 13:52:33 -07:00
ethernet	net: move devres helpers into a separate source file	2020-05-23 16:56:17 -07:00
ethtool	ethtool: add and use message type for tunnel info reply	2020-09-17 16:43:20 -07:00
hsr	hsr: avoid newline at end of message in NL_SET_ERR_MSG_MOD	2020-09-09 11:15:26 -07:00
ieee802154	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
ife
ipv4	inet_diag: validate INET_DIAG_REQ_PROTOCOL attribute	2020-09-21 17:38:51 -07:00
ipv6	ipv6: route: convert comma to semicolon	2020-09-21 14:52:18 -07:00
iucv	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
kcm	net: pass a sockptr_t into ->setsockopt	2020-07-24 15:41:54 -07:00
key	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2020-08-02 01:02:12 -07:00
l2tp	l2tp: improve API documentation in l2tp_core.h	2020-07-30 16:45:31 -07:00
l3mdev	net: Fix some comments	2020-08-27 07:55:59 -07:00
lapb	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
llc	net: pass a sockptr_t into ->setsockopt	2020-07-24 15:41:54 -07:00
mac80211	mac80211: fix 80 MHz association to 160/80+80 AP on 6 GHz	2020-09-18 14:01:24 +02:00
mac802154	Merge tag 'ieee802154-for-davem-2020-09-08' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan	2020-09-08 20:12:58 -07:00
mpls	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
mptcp	mptcp: Wake up MPTCP worker when DATA_FIN found on a TCP FIN packet	2020-09-23 17:30:52 -07:00
ncsi	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
netfilter	netfilter: nft_meta: use socket user_ns to retrieve skuid and skgid	2020-09-08 13:04:56 +02:00
netlabel	netlabel: fix problems with mapping removal	2020-08-24 16:08:00 -07:00
netlink	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2020-09-03 18:50:48 -07:00
netrom	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
nfc	net/nfc/rawsock.c: add CAP_NET_RAW check.	2020-08-11 10:34:30 -07:00
nsh	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
openvswitch	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
packet	net/packet: fix overflow in tpacket_rcv	2020-09-04 11:56:02 -07:00
phonet	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
psample	net: psample: fix build error when CONFIG_INET is not enabled	2020-05-23 16:36:05 -07:00
qrtr	net: qrtr: check skb_put_padto() return value	2020-09-09 11:04:39 -07:00
rds	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
rfkill
rose	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
rxrpc	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2020-09-03 18:50:48 -07:00
sched	net_sched: commit action insertions together	2020-09-24 19:46:21 -07:00
sctp	net: sctp: Fix IPv6 ancestor_size calc in sctp_copy_descendant	2020-09-20 14:15:12 -07:00
smc	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net	2020-09-03 18:50:48 -07:00
strparser
sunrpc	NFS client bugfixes for Linux 5.9	2020-09-09 11:14:20 -07:00
switchdev	net: switchdev: Fixed kerneldoc warning	2020-09-23 17:46:31 -07:00
tipc	net: tipc: kerneldoc fixes	2020-09-15 13:33:04 -07:00
tls	net/tls: race causes kernel panic	2020-09-24 20:06:29 -07:00
unix	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
vmw_vsock	vsock: fix potential null pointer dereference in vsock_poll()	2020-08-12 12:56:06 -07:00
wimax
wireless	cfg80211: fix 6 GHz channel conversion	2020-09-18 11:43:46 +02:00
x25	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
xdp	xsk: Fix number of pinned pages/umem size discrepancy	2020-09-14 18:35:09 -07:00
xfrm	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
compat.c	net/scm: Fix typo in SCM_RIGHTS compat refactoring	2020-08-07 12:43:25 -07:00
devres.c	net: devres: rename the release callback of devm_register_netdev()	2020-06-30 15:57:34 -07:00
Kconfig	net: ethtool: Remove PHYLIB direct dependency	2020-07-07 15:41:05 -07:00
Makefile	net: move devres helpers into a separate source file	2020-05-23 16:56:17 -07:00
socket.c	net: Fix some comments	2020-08-27 07:55:59 -07:00
sysctl_net.c