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Message-ID: <202310171606.30e15ebe-oliver.sang@intel.com>
Date: Tue, 17 Oct 2023 16:37:43 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Dmitry Safonov <dima@...sta.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, Francesco Ruggeri
<fruggeri@...sta.com>, Salam Noureddine <noureddine@...sta.com>, David Ahern
<dsahern@...nel.org>, <netdev@...r.kernel.org>, Eric Dumazet
<edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Jakub Kicinski
<kuba@...nel.org>, "David S. Miller" <davem@...emloft.net>,
<linux-kernel@...r.kernel.org>, Dmitry Safonov <dima@...sta.com>, "Andy
Lutomirski" <luto@...capital.net>, Ard Biesheuvel <ardb@...nel.org>, "Bob
Gilligan" <gilligan@...sta.com>, Dan Carpenter <error27@...il.com>, "David
Laight" <David.Laight@...lab.com>, Dmitry Safonov <0x7f454c46@...il.com>,
Donald Cassidy <dcassidy@...hat.com>, Eric Biggers <ebiggers@...nel.org>,
"Eric W. Biederman" <ebiederm@...ssion.com>, Francesco Ruggeri
<fruggeri05@...il.com>, "Gaillardetz, Dominik" <dgaillar@...na.com>, "Herbert
Xu" <herbert@...dor.apana.org.au>, Hideaki YOSHIFUJI
<yoshfuji@...ux-ipv6.org>, Ivan Delalande <colona@...sta.com>, "Leonard
Crestez" <cdleonard@...il.com>, "Nassiri, Mohammad" <mnassiri@...na.com>,
Simon Horman <simon.horman@...igine.com>, "Tetreault, Francois"
<ftetreau@...na.com>, <oliver.sang@...el.com>
Subject: Re: [PATCH v14 net-next 08/23] net/tcp: Add AO sign to RST packets
Hello,
kernel test robot noticed "BUG:sleeping_function_called_from_invalid_context_at_net/core/sock.c" on:
commit: df13d11e6a2a3cc5f973aca36f68f880fa42d55f ("[PATCH v14 net-next 08/23] net/tcp: Add AO sign to RST packets")
url: https://github.com/intel-lab-lkp/linux/commits/Dmitry-Safonov/net-tcp-Prepare-tcp_md5sig_pool-for-TCP-AO/20231010-071412
patch link: https://lore.kernel.org/all/20231009230722.76268-9-dima@arista.com/
patch subject: [PATCH v14 net-next 08/23] net/tcp: Add AO sign to RST packets
in testcase: trinity
version: trinity-i386-abe9de86-1_20230429
with following parameters:
runtime: 300s
group: group-02
nr_groups: 5
test-description: Trinity is a linux system call fuzz tester.
test-url: http://codemonkey.org.uk/projects/trinity/
compiler: gcc-12
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202310171606.30e15ebe-oliver.sang@intel.com
[ 221.348247][ T7133] BUG: sleeping function called from invalid context at net/core/sock.c:2978
[ 221.349875][ T7133] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 7133, name: trinity-c4
[ 221.351666][ T7133] preempt_count: 0, expected: 0
[ 221.352614][ T7133] RCU nest depth: 1, expected: 0
[ 221.353518][ T7133] 2 locks held by trinity-c4/7133:
[ 221.354530][ T7133] #0: ed8b5660 (sk_lock-AF_INET6){+.+.}-{0:0}, at: tcp_sendmsg (net/ipv4/tcp.c:1336)
[ 221.374314][ T7133] #1: c27dbb18 (rcu_read_lock){....}-{1:2}, at: inet6_csk_xmit (include/linux/rcupdate.h:747 net/ipv6/inet6_connection_sock.c:129)
[ 221.375906][ T7133] CPU: 1 PID: 7133 Comm: trinity-c4 Tainted: G W TN 6.6.0-rc4-01105-gdf13d11e6a2a #1
[ 221.377820][ T7133] Call Trace:
[ 221.378447][ T7133] dump_stack_lvl (lib/dump_stack.c:107)
[ 221.379373][ T7133] dump_stack (lib/dump_stack.c:114)
[ 221.380186][ T7133] __might_resched (kernel/sched/core.c:10188)
[ 221.381100][ T7133] __release_sock (include/linux/sched.h:2097 net/core/sock.c:2978)
[ 221.381960][ T7133] release_sock (net/core/sock.c:3520)
[ 221.382784][ T7133] inet_wait_for_connect (net/ipv4/af_inet.c:609)
[ 221.383763][ T7133] ? autoremove_wake_function (kernel/sched/wait.c:479)
[ 221.384757][ T7133] __inet_stream_connect (net/ipv4/af_inet.c:701 (discriminator 1))
[ 221.385741][ T7133] ? kmalloc_node_trace (mm/slab_common.c:1133)
[ 221.386702][ T7133] tcp_sendmsg_fastopen (net/ipv4/tcp.c:1026)
[ 221.387685][ T7133] tcp_sendmsg_locked (net/ipv4/tcp.c:1073)
[ 221.388642][ T7133] ? find_held_lock (kernel/locking/lockdep.c:5243)
[ 221.389536][ T7133] ? mark_held_locks (kernel/locking/lockdep.c:4273)
[ 221.390437][ T7133] ? lock_sock_nested (net/core/sock.c:3511)
[ 221.391359][ T7133] ? lock_sock_nested (net/core/sock.c:3511)
[ 221.392335][ T7133] tcp_sendmsg (net/ipv4/tcp.c:1336)
[ 221.393153][ T7133] inet6_sendmsg (net/ipv6/af_inet6.c:658 (discriminator 2))
[ 221.394010][ T7133] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2558)
[ 221.394927][ T7133] ___sys_sendmsg (net/socket.c:2612)
[ 221.395844][ T7133] __sys_sendmsg (net/socket.c:2641)
[ 221.396671][ T7133] __ia32_sys_sendmsg (net/socket.c:2648)
[ 221.397562][ T7133] __do_fast_syscall_32 (arch/x86/entry/common.c:112 arch/x86/entry/common.c:178)
[ 221.398485][ T7133] do_fast_syscall_32 (arch/x86/entry/common.c:203)
[ 221.399401][ T7133] do_SYSENTER_32 (arch/x86/entry/common.c:247)
[ 221.404363][ T7133] entry_SYSENTER_32 (arch/x86/entry/entry_32.S:840)
[ 221.405255][ T7133] EIP: 0xb7f59579
[ 221.405931][ T7133] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 cd 80 90 8d 76
All code
========
0: b8 01 10 06 03 mov $0x3061001,%eax
5: 74 b4 je 0xffffffffffffffbb
7: 01 10 add %edx,(%rax)
9: 07 (bad)
a: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi
e: 10 08 adc %cl,(%rax)
10: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi
...
20: 00 51 52 add %dl,0x52(%rcx)
23: 55 push %rbp
24:* 89 e5 mov %esp,%ebp <-- trapping instruction
26: 0f 34 sysenter
28: cd 80 int $0x80
2a: 5d pop %rbp
2b: 5a pop %rdx
2c: 59 pop %rcx
2d: c3 ret
2e: 90 nop
2f: 90 nop
30: 90 nop
31: 90 nop
32: 8d 76 00 lea 0x0(%rsi),%esi
35: 58 pop %rax
36: b8 77 00 00 00 mov $0x77,%eax
3b: cd 80 int $0x80
3d: 90 nop
3e: 8d .byte 0x8d
3f: 76 .byte 0x76
Code starting with the faulting instruction
===========================================
0: 5d pop %rbp
1: 5a pop %rdx
2: 59 pop %rcx
3: c3 ret
4: 90 nop
5: 90 nop
6: 90 nop
7: 90 nop
8: 8d 76 00 lea 0x0(%rsi),%esi
b: 58 pop %rax
c: b8 77 00 00 00 mov $0x77,%eax
11: cd 80 int $0x80
13: 90 nop
14: 8d .byte 0x8d
15: 76 .byte 0x76
[ 221.409527][ T7133] EAX: ffffffda EBX: 00000137 ECX: 01ce1580 EDX: 240449b4
[ 221.410805][ T7133] ESI: 000000b1 EDI: 8b8b8b8b EBP: 08080808 ESP: bfc205fc
[ 221.412147][ T7133] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296
[ 221.481648][ T7133]
[ 221.482194][ T7133] ================================================
[ 221.483377][ T7133] WARNING: lock held when returning to user space!
[ 221.484574][ T7133] 6.6.0-rc4-01105-gdf13d11e6a2a #1 Tainted: G W TN
[ 221.485904][ T7133] ------------------------------------------------
[ 221.487044][ T7133] trinity-c4/7133 is leaving the kernel with locks still held!
[ 221.488448][ T7133] 1 lock held by trinity-c4/7133:
[ 221.489401][ T7133] #0: c27dbb18 (rcu_read_lock){....}-{1:2}, at: inet6_csk_xmit (include/linux/rcupdate.h:747 net/ipv6/inet6_connection_sock.c:129)
[ 221.491125][ T7133] ------------[ cut here ]------------
[ 221.501170][ T7133] Voluntary context switch within RCU read-side critical section!
[ 221.501214][ T7133] WARNING: CPU: 1 PID: 7133 at kernel/rcu/tree_plugin.h:320 rcu_note_context_switch (kernel/rcu/tree_plugin.h:320 (discriminator 11))
[ 221.504458][ T7133] Modules linked in: ipmi_msghandler uio_pdrv_genirq uio rtc_cmos processor fuse drm drm_panel_orientation_quirks configfs
[ 221.506701][ T7133] CPU: 1 PID: 7133 Comm: trinity-c4 Tainted: G W TN 6.6.0-rc4-01105-gdf13d11e6a2a #1
[ 221.508634][ T7133] EIP: rcu_note_context_switch (kernel/rcu/tree_plugin.h:320 (discriminator 11))
[ 221.509684][ T7133] Code: e9 87 fe ff ff 8d 74 26 00 8b 41 2c 89 45 ec e9 16 ff ff ff 8d 74 26 00 90 c6 05 09 88 94 c2 01 68 04 84 32 c2 e8 47 14 f5 ff <0f> 0b 5a e9 b0 fd ff ff 8d b4 26 00 00 00 00 81 e2 ff ff ff 7f 0f
All code
========
0: e9 87 fe ff ff jmp 0xfffffffffffffe8c
5: 8d 74 26 00 lea 0x0(%rsi,%riz,1),%esi
9: 8b 41 2c mov 0x2c(%rcx),%eax
c: 89 45 ec mov %eax,-0x14(%rbp)
f: e9 16 ff ff ff jmp 0xffffffffffffff2a
14: 8d 74 26 00 lea 0x0(%rsi,%riz,1),%esi
18: 90 nop
19: c6 05 09 88 94 c2 01 movb $0x1,-0x3d6b77f7(%rip) # 0xffffffffc2948829
20: 68 04 84 32 c2 push $0xffffffffc2328404
25: e8 47 14 f5 ff call 0xfffffffffff51471
2a:* 0f 0b ud2 <-- trapping instruction
2c: 5a pop %rdx
2d: e9 b0 fd ff ff jmp 0xfffffffffffffde2
32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
39: 81 e2 ff ff ff 7f and $0x7fffffff,%edx
3f: 0f .byte 0xf
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: 5a pop %rdx
3: e9 b0 fd ff ff jmp 0xfffffffffffffdb8
8: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
f: 81 e2 ff ff ff 7f and $0x7fffffff,%edx
15: 0f .byte 0xf
[ 221.513148][ T7133] EAX: 00000000 EBX: e52d7c40 ECX: 00000000 EDX: 00000000
[ 221.514443][ T7133] ESI: 00000000 EDI: eadb5640 EBP: ead7df28 ESP: ead7df10
[ 221.515747][ T7133] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 EFLAGS: 00010046
[ 221.517184][ T7133] CR0: 80050033 CR2: 01ce68cc CR3: 2ae6f000 CR4: 00000690
[ 221.518449][ T7133] Call Trace:
[ 221.519074][ T7133] ? show_regs (arch/x86/kernel/dumpstack.c:478)
[ 221.519826][ T7133] ? rcu_note_context_switch (kernel/rcu/tree_plugin.h:320 (discriminator 11))
[ 221.520887][ T7133] ? __warn (kernel/panic.c:673)
[ 221.521663][ T7133] ? rcu_note_context_switch (kernel/rcu/tree_plugin.h:320 (discriminator 11))
[ 221.522722][ T7133] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 221.523615][ T7133] ? exc_overflow (arch/x86/kernel/traps.c:250)
[ 221.524517][ T7133] ? handle_bug (arch/x86/kernel/traps.c:216)
[ 221.525240][ T7133] ? exc_invalid_op (arch/x86/kernel/traps.c:258 (discriminator 1))
[ 221.526115][ T7133] ? handle_exception (arch/x86/entry/entry_32.S:1056)
[ 221.527035][ T7133] ? exc_overflow (arch/x86/kernel/traps.c:250)
[ 221.527882][ T7133] ? rcu_note_context_switch (kernel/rcu/tree_plugin.h:320 (discriminator 11))
[ 221.528945][ T7133] ? exc_overflow (arch/x86/kernel/traps.c:250)
[ 221.529743][ T7133] ? rcu_note_context_switch (kernel/rcu/tree_plugin.h:320 (discriminator 11))
[ 221.530784][ T7133] __schedule (arch/x86/include/asm/preempt.h:80 (discriminator 3) kernel/sched/core.c:556 (discriminator 3) kernel/sched/sched.h:1372 (discriminator 3) kernel/sched/sched.h:1681 (discriminator 3) kernel/sched/core.c:6612 (discriminator 3))
[ 221.531573][ T7133] ? exit_to_user_mode_prepare (kernel/entry/common.c:158 kernel/entry/common.c:204)
[ 221.532627][ T7133] schedule (arch/x86/include/asm/preempt.h:85 (discriminator 1) kernel/sched/core.c:6772 (discriminator 1))
[ 221.533358][ T7133] exit_to_user_mode_prepare (kernel/entry/common.c:161 kernel/entry/common.c:204)
[ 221.534382][ T7133] ? sysvec_reboot (arch/x86/kernel/smp.c:269)
[ 221.535255][ T7133] irqentry_exit_to_user_mode (kernel/entry/common.c:130 kernel/entry/common.c:311)
[ 221.536302][ T7133] irqentry_exit (kernel/entry/common.c:445)
[ 221.537101][ T7133] sysvec_reschedule_ipi (arch/x86/kernel/smp.c:269)
[ 221.538079][ T7133] handle_exception (arch/x86/entry/entry_32.S:1056)
[ 221.538990][ T7133] EIP: 0xb7f59579
[ 221.539674][ T7133] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 cd 80 90 8d 76
All code
========
0: b8 01 10 06 03 mov $0x3061001,%eax
5: 74 b4 je 0xffffffffffffffbb
7: 01 10 add %edx,(%rax)
9: 07 (bad)
a: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi
e: 10 08 adc %cl,(%rax)
10: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi
...
20: 00 51 52 add %dl,0x52(%rcx)
23: 55 push %rbp
24:* 89 e5 mov %esp,%ebp <-- trapping instruction
26: 0f 34 sysenter
28: cd 80 int $0x80
2a: 5d pop %rbp
2b: 5a pop %rdx
2c: 59 pop %rcx
2d: c3 ret
2e: 90 nop
2f: 90 nop
30: 90 nop
31: 90 nop
32: 8d 76 00 lea 0x0(%rsi),%esi
35: 58 pop %rax
36: b8 77 00 00 00 mov $0x77,%eax
3b: cd 80 int $0x80
3d: 90 nop
3e: 8d .byte 0x8d
3f: 76 .byte 0x76
Code starting with the faulting instruction
===========================================
0: 5d pop %rbp
1: 5a pop %rdx
2: 59 pop %rcx
3: c3 ret
4: 90 nop
5: 90 nop
6: 90 nop
7: 90 nop
8: 8d 76 00 lea 0x0(%rsi),%esi
b: 58 pop %rax
c: b8 77 00 00 00 mov $0x77,%eax
11: cd 80 int $0x80
13: 90 nop
14: 8d .byte 0x8d
15: 76 .byte 0x76
[ 221.543249][ T7133] EAX: ffffff91 EBX: 00000137 ECX: bfc205fc EDX: b7f59579
[ 221.544585][ T7133] ESI: 000000b1 EDI: 8b8b8b8b EBP: 08080808 ESP: bfc205fc
[ 221.545872][ T7133] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000296
[ 221.547230][ T7133] ? sysvec_reboot (arch/x86/kernel/smp.c:269)
[ 221.548133][ T7133] irq event stamp: 10576
[ 221.548909][ T7133] hardirqs last enabled at (10575): _raw_spin_unlock_irq (arch/x86/include/asm/irqflags.h:42 arch/x86/include/asm/irqflags.h:77 include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202)
[ 221.550576][ T7133] hardirqs last disabled at (10576): exit_to_user_mode_prepare (include/linux/entry-common.h:191 kernel/entry/common.c:181 kernel/entry/common.c:204)
[ 221.552434][ T7133] softirqs last enabled at (10570): release_sock (net/core/sock.c:3528)
[ 221.553958][ T7133] softirqs last disabled at (10568): release_sock (net/core/sock.c:3517)
[ 221.555538][ T7133] ---[ end trace 0000000000000000 ]---
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20231017/202310171606.30e15ebe-oliver.sang@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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