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A mirror of the official Linux kernel repository just in case
41cdc74104
It seems nsim_fib6_rt_create() intent was to return
either a valid pointer or an embedded error code.
BUG: unable to handle page fault for address: fffffffffffffff4
PGD 9870067 P4D 9870067 PUD 9872067 PMD 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 22851 Comm: syz-executor.1 Not tainted 5.5.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:jhash2 include/linux/jhash.h:125 [inline]
RIP: 0010:rhashtable_jhash2+0x76/0x2c0 lib/rhashtable.c:963
Code: b9 00 00 00 00 00 fc ff df 48 c1 e8 03 0f b6 14 08 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 30 02 00 00 49 8d 7e 04 <41> 8b 06 48 be 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6
RSP: 0018:ffffc90016127190 EFLAGS: 00010246
RAX: 0000000000000007 RBX: 00000000dfb3ab49 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff839ba7c8 RDI: fffffffffffffff8
RBP: ffffc900161271c0 R08: ffff8880951f8640 R09: ffffed1015d0703d
R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: 00000000dfb3ab49
R13: 00000000dfb3ab49 R14: fffffffffffffff4 R15: 0000000000000007
FS: 00007f40bfbc6700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff4 CR3: 0000000093660000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rht_key_get_hash include/linux/rhashtable.h:133 [inline]
rht_key_hashfn include/linux/rhashtable.h:159 [inline]
rht_head_hashfn include/linux/rhashtable.h:174 [inline]
__rhashtable_insert_fast.constprop.0+0xe15/0x1180 include/linux/rhashtable.h:723
rhashtable_insert_fast include/linux/rhashtable.h:832 [inline]
nsim_fib6_rt_add drivers/net/netdevsim/fib.c:603 [inline]
nsim_fib6_rt_insert drivers/net/netdevsim/fib.c:658 [inline]
nsim_fib6_event drivers/net/netdevsim/fib.c:719 [inline]
nsim_fib_event drivers/net/netdevsim/fib.c:744 [inline]
nsim_fib_event_nb+0x1b16/0x2600 drivers/net/netdevsim/fib.c:772
notifier_call_chain+0xc2/0x230 kernel/notifier.c:83
__atomic_notifier_call_chain+0xa6/0x1a0 kernel/notifier.c:173
atomic_notifier_call_chain+0x2e/0x40 kernel/notifier.c:183
call_fib_notifiers+0x173/0x2a0 net/core/fib_notifier.c:35
call_fib6_notifiers+0x4b/0x60 net/ipv6/fib6_notifier.c:22
call_fib6_entry_notifiers+0xfb/0x150 net/ipv6/ip6_fib.c:399
fib6_add_rt2node net/ipv6/ip6_fib.c:1216 [inline]
fib6_add+0x20cd/0x3ec0 net/ipv6/ip6_fib.c:1471
__ip6_ins_rt+0x54/0x80 net/ipv6/route.c:1315
ip6_ins_rt+0x96/0xd0 net/ipv6/route.c:1325
__ipv6_dev_ac_inc+0x76f/0xb20 net/ipv6/anycast.c:324
ipv6_sock_ac_join+0x4c1/0x790 net/ipv6/anycast.c:139
do_ipv6_setsockopt.isra.0+0x3908/0x4290 net/ipv6/ipv6_sockglue.c:670
ipv6_setsockopt+0xff/0x180 net/ipv6/ipv6_sockglue.c:944
udpv6_setsockopt+0x68/0xb0 net/ipv6/udp.c:1564
sock_common_setsockopt+0x94/0xd0 net/core/sock.c:3149
__sys_setsockopt+0x261/0x4c0 net/socket.c:2130
__do_sys_setsockopt net/socket.c:2146 [inline]
__se_sys_setsockopt net/socket.c:2143 [inline]
__x64_sys_setsockopt+0xbe/0x150 net/socket.c:2143
do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45aff9
Fixes:
|
||
|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.