====================================== | [ 25.579131][ T241] 1 lock held by rst_ipv6/241: | [ 25.579325][ T241] #0: ffff888007611098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: do_tcp_getsockopt (net/ipv4/tcp.c:4631) | [ 25.579695][ T241] | [ 25.579695][ T241] stack backtrace: [ 25.580215][ T241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 25.580618][ T241] Call Trace: [ 25.580759][ T241] [ 25.580858][ T241] dump_stack_lvl (lib/dump_stack.c:123) [ 25.581042][ T241] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) [ 25.581226][ T241] tcp_ao_copy_mkts_to_user (net/ipv4/tcp_ao.c:2232 (discriminator 7)) [ 25.581409][ T241] ? mark_held_locks (kernel/locking/lockdep.c:4321) [ 25.581595][ T241] ? __pfx_tcp_ao_copy_mkts_to_user (net/ipv4/tcp_ao.c:2106) [ 25.581815][ T241] ? stack_depot_save_flags (lib/stackdepot.c:664) [ 25.581998][ T241] ? kasan_save_stack (mm/kasan/common.c:48) [ 25.582175][ T241] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 25.582354][ T241] ? kfree (mm/slub.c:4579 mm/slub.c:4727) [ 25.582493][ T241] ? tcp_ao_parse_crypto (./include/net/tcp_ao.h:67 net/ipv4/tcp_ao.c:1436) [ 25.582699][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 25.582887][ T241] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5827) [ 25.583065][ T241] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 25.583246][ T241] ? __lock_release (kernel/locking/lockdep.c:5501) [ 25.583426][ T241] ? do_tcp_getsockopt (net/ipv4/tcp.c:4631) [ 25.583608][ T241] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 25.583785][ T241] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 25.583932][ T241] ? do_tcp_getsockopt (net/ipv4/tcp.c:4631) [ 25.584110][ T241] do_tcp_getsockopt (net/ipv4/tcp.c:4631) [ 25.584291][ T241] ? __pfx_do_tcp_getsockopt (net/ipv4/tcp.c:4300) [ 25.584468][ T241] ? tcp_ao_add_cmd (net/ipv4/tcp_ao.c:1737) [ 25.584662][ T241] ? release_sock (net/core/sock.c:3630) [ 25.584846][ T241] ? reacquire_held_locks (kernel/locking/lockdep.c:5350) [ 25.585021][ T241] ? release_sock (net/core/sock.c:3630) [ 25.585198][ T241] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.585374][ T241] ? validate_chain (kernel/locking/lockdep.c:3797 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872) [ 25.585552][ T241] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 25.585730][ T241] ? __lock_release (kernel/locking/lockdep.c:5501) [ 25.585906][ T241] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 25.586082][ T241] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 25.586259][ T241] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 25.586402][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 25.586590][ T241] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 25.586767][ T241] ? __lock_release (kernel/locking/lockdep.c:5501) [ 25.586940][ T241] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) [ 25.587118][ T241] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 25.587291][ T241] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 25.587465][ T241] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 25.587643][ T241] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) [ 25.587824][ T241] ? __might_fault (mm/memory.c:6705 mm/memory.c:6698) [ 25.588002][ T241] tcp_getsockopt (net/ipv4/tcp.c:4673 net/ipv4/tcp.c:4664) [ 25.588182][ T241] do_sock_getsockopt (net/socket.c:2396) [ 25.588359][ T241] ? __fget_files (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 fs/file.c:1006) [ 25.588539][ T241] ? __pfx_do_sock_getsockopt (net/socket.c:2374) [ 25.588728][ T241] ? fdget (fs/file.c:1121 fs/file.c:1128) [ 25.588866][ T241] __sys_getsockopt (./include/linux/file.h:35 net/socket.c:2428) [ 25.589041][ T241] ? __sys_setsockopt (net/socket.c:2360) [ 25.589217][ T241] ? __pfx___sys_getsockopt (net/socket.c:2415) [ 25.589407][ T241] __x64_sys_getsockopt (net/socket.c:2432) [ 25.589582][ T241] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 25.589801][ T241] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 25.589978][ T241] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 25.590196][ T241] RIP: 0033:0x7f16caea646e [ 25.590391][ T241] Code: 1f 44 00 00 48 8b 15 91 99 0a 00 f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 f3 0f 1e fa 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 59 All code ======== 0: 1f (bad) 1: 44 00 00 add %r8b,(%rax) 4: 48 8b 15 91 99 0a 00 mov 0xa9991(%rip),%rdx # 0xa999c b: f7 d8 neg %eax d: 64 89 02 mov %eax,%fs:(%rdx) 10: b8 ff ff ff ff mov $0xffffffff,%eax 15: eb b8 jmp 0xffffffffffffffcf 17: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 1c: f3 0f 1e fa endbr64 20: 49 89 ca mov %rcx,%r10 23: b8 37 00 00 00 mov $0x37,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 0a ja 0x3c 32: c3 ret 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 15 .byte 0x15 3f: 59 pop %rcx Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 0a ja 0x12 8: c3 ret 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 48 rex.W 13: 8b .byte 0x8b 14: 15 .byte 0x15 15: 59 pop %rcx [ 25.591000][ T241] RSP: 002b:00007f16ca5519b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 25.591343][ T241] RAX: ffffffffffffffda RBX: 00007f16ca551c70 RCX: 00007f16caea646e [ 25.591606][ T241] RDX: 0000000000000029 RSI: 0000000000000006 RDI: 0000000000000009 [ 25.591869][ T241] RBP: 00007f16ca5519d0 R08: 00007f16ca5519cc R09: 0000000000000064 [ 25.592132][ T241] R10: 00007f16ca5519d0 R11: 0000000000000246 R12: 0000000000000009 [ 25.592395][ T241] R13: 0000000000000064 R14: 0000000000000080 R15: 0000000000000064 | [ 25.597069][ T241] 1 lock held by rst_ipv6/241: | [ 25.597261][ T241] #0: ffff888007611098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_stream_connect (net/ipv4/af_inet.c:748) | [ 25.597595][ T241] | [ 25.597595][ T241] stack backtrace: [ 25.598083][ T241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 25.598484][ T241] Call Trace: [ 25.598622][ T241] [ 25.598717][ T241] dump_stack_lvl (lib/dump_stack.c:123) [ 25.598904][ T241] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) [ 25.599089][ T241] __tcp_ao_do_lookup.part.0 (net/ipv4/tcp_ao.c:208) [ 25.599273][ T241] tcp_ao_do_lookup (net/ipv4/tcp_ao.c:200 net/ipv4/tcp_ao.c:222) [ 25.599451][ T241] tcp_connect (net/ipv4/tcp_output.c:4114) [ 25.599631][ T241] ? rt6_get_cookie (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/ip6_fib.h:312) [ 25.599820][ T241] tcp_v6_connect (net/ipv6/tcp_ipv6.c:333) [ 25.600007][ T241] ? __pfx_tcp_v6_connect (net/ipv6/tcp_ipv6.c:137) [ 25.600189][ T241] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5827) [ 25.600381][ T241] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 25.600568][ T241] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 25.600748][ T241] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 25.600889][ T241] __inet_stream_connect (net/ipv4/af_inet.c:677) [ 25.601068][ T241] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 25.601291][ T241] inet_stream_connect (net/ipv4/af_inet.c:749) [ 25.601472][ T241] __sys_connect (net/socket.c:2071 net/socket.c:2088) [ 25.601652][ T241] ? __pfx___sys_connect (net/socket.c:2078) [ 25.601833][ T241] ? do_fcntl (fs/fcntl.c:473) [ 25.601972][ T241] ? __fget_files (fs/file.c:1009) [ 25.602152][ T241] ? __pfx___sys_socket (net/socket.c:1712) [ 25.602340][ T241] __x64_sys_connect (net/socket.c:2095) [ 25.602519][ T241] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 25.602699][ T241] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 25.602919][ T241] RIP: 0033:0x7f16caea640b [ 25.603104][ T241] Code: 83 ec 18 89 54 24 0c 48 89 34 24 89 7c 24 08 e8 eb c7 f4 ff 8b 54 24 0c 48 8b 34 24 41 89 c0 8b 7c 24 08 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 08 e8 41 c8 f4 ff 8b 44 All code ======== 0: 83 ec 18 sub $0x18,%esp 3: 89 54 24 0c mov %edx,0xc(%rsp) 7: 48 89 34 24 mov %rsi,(%rsp) b: 89 7c 24 08 mov %edi,0x8(%rsp) f: e8 eb c7 f4 ff call 0xfffffffffff4c7ff 14: 8b 54 24 0c mov 0xc(%rsp),%edx 18: 48 8b 34 24 mov (%rsp),%rsi 1c: 41 89 c0 mov %eax,%r8d 1f: 8b 7c 24 08 mov 0x8(%rsp),%edi 23: b8 2a 00 00 00 mov $0x2a,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 35 ja 0x67 32: 44 89 c7 mov %r8d,%edi 35: 89 44 24 08 mov %eax,0x8(%rsp) 39: e8 41 c8 f4 ff call 0xfffffffffff4c87f 3e: 8b .byte 0x8b 3f: 44 rex.R Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 35 ja 0x3d 8: 44 89 c7 mov %r8d,%edi b: 89 44 24 08 mov %eax,0x8(%rsp) f: e8 41 c8 f4 ff call 0xfffffffffff4c855 14: 8b .byte 0x8b 15: 44 rex.R [ 25.603724][ T241] RSP: 002b:00007f16ca551d70 EFLAGS: 00000293 ORIG_RAX: 000000000000002a [ 25.603996][ T241] RAX: ffffffffffffffda RBX: 000000000000001c RCX: 00007f16caea640b [ 25.604267][ T241] RDX: 000000000000001c RSI: 00007f16ca551df0 RDI: 0000000000000009 [ 25.604533][ T241] RBP: 0000000000000009 R08: 0000000000000000 R09: 00000000004173e0 [ 25.604800][ T241] R10: 00007f16cad5e598 R11: 0000000000000293 R12: 0000000000410980 [ 25.605064][ T241] R13: 0000000000000005 R14: 00007f16ca551df0 R15: 000000000000621b | [ 25.612068][ T241] 1 lock held by rst_ipv6/241: | [ 25.612322][ T241] #0: ffff888007611098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_stream_connect (net/ipv4/af_inet.c:748) | [ 25.612714][ T241] | [ 25.612714][ T241] stack backtrace: [ 25.613275][ T241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 25.613674][ T241] Call Trace: [ 25.613815][ T241] [ 25.613912][ T241] dump_stack_lvl (lib/dump_stack.c:123) [ 25.614100][ T241] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) [ 25.614286][ T241] tcp_ao_finish_connect (net/ipv4/tcp_ao.c:1183 (discriminator 7)) [ 25.614474][ T241] tcp_finish_connect (net/ipv4/tcp_input.c:6340) [ 25.614658][ T241] tcp_rcv_synsent_state_process (net/ipv4/tcp_input.c:6576) [ 25.614884][ T241] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 25.615077][ T241] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 25.615221][ T241] ? __pfx_tcp_rcv_synsent_state_process (net/ipv4/tcp_input.c:6455) [ 25.615449][ T241] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 25.615675][ T241] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) [ 25.615857][ T241] ? ktime_get (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:395 (discriminator 4) kernel/time/timekeeping.c:403 (discriminator 4) kernel/time/timekeeping.c:850 (discriminator 4)) [ 25.616004][ T241] tcp_rcv_state_process (net/ipv4/tcp_input.c:6796) [ 25.616187][ T241] ? __lock_release (kernel/locking/lockdep.c:5501) [ 25.616367][ T241] ? __release_sock (./include/net/sock.h:1121 net/core/sock.c:3077) [ 25.616552][ T241] ? __pfx_tcp_rcv_state_process (net/ipv4/tcp_input.c:6751) [ 25.616775][ T241] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 25.616956][ T241] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 25.617101][ T241] tcp_v6_do_rcv (net/ipv6/tcp_ipv6.c:1676) [ 25.617286][ T241] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 25.617516][ T241] __release_sock (net/core/sock.c:3079) [ 25.617704][ T241] release_sock (net/core/sock.c:3633) [ 25.617886][ T241] inet_stream_connect (net/ipv4/af_inet.c:751) [ 25.618073][ T241] __sys_connect (net/socket.c:2071 net/socket.c:2088) [ 25.618257][ T241] ? __pfx___sys_connect (net/socket.c:2078) [ 25.618437][ T241] ? do_fcntl (fs/fcntl.c:473) [ 25.618580][ T241] ? __fget_files (fs/file.c:1009) [ 25.618764][ T241] ? __pfx___sys_socket (net/socket.c:1712) [ 25.618956][ T241] __x64_sys_connect (net/socket.c:2095) [ 25.619142][ T241] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 25.619329][ T241] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 25.619554][ T241] RIP: 0033:0x7f16caea640b [ 25.619748][ T241] Code: 83 ec 18 89 54 24 0c 48 89 34 24 89 7c 24 08 e8 eb c7 f4 ff 8b 54 24 0c 48 8b 34 24 41 89 c0 8b 7c 24 08 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 08 e8 41 c8 f4 ff 8b 44 All code ======== 0: 83 ec 18 sub $0x18,%esp 3: 89 54 24 0c mov %edx,0xc(%rsp) 7: 48 89 34 24 mov %rsi,(%rsp) b: 89 7c 24 08 mov %edi,0x8(%rsp) f: e8 eb c7 f4 ff call 0xfffffffffff4c7ff 14: 8b 54 24 0c mov 0xc(%rsp),%edx 18: 48 8b 34 24 mov (%rsp),%rsi 1c: 41 89 c0 mov %eax,%r8d 1f: 8b 7c 24 08 mov 0x8(%rsp),%edi 23: b8 2a 00 00 00 mov $0x2a,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 35 ja 0x67 32: 44 89 c7 mov %r8d,%edi 35: 89 44 24 08 mov %eax,0x8(%rsp) 39: e8 41 c8 f4 ff call 0xfffffffffff4c87f 3e: 8b .byte 0x8b 3f: 44 rex.R Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 35 ja 0x3d 8: 44 89 c7 mov %r8d,%edi b: 89 44 24 08 mov %eax,0x8(%rsp) f: e8 41 c8 f4 ff call 0xfffffffffff4c855 14: 8b .byte 0x8b 15: 44 rex.R [ 25.620387][ T241] RSP: 002b:00007f16ca551d70 EFLAGS: 00000293 ORIG_RAX: 000000000000002a [ 25.620667][ T241] RAX: ffffffffffffffda RBX: 000000000000001c RCX: 00007f16caea640b [ 25.620939][ T241] RDX: 000000000000001c RSI: 00007f16ca551df0 RDI: 0000000000000009 [ 25.621213][ T241] RBP: 0000000000000009 R08: 0000000000000000 R09: 00000000004173e0 [ 25.621485][ T241] R10: 00007f16cad5e598 R11: 0000000000000293 R12: 0000000000410980 [ 25.621756][ T241] R13: 0000000000000005 R14: 00007f16ca551df0 R15: 000000000000621b | [ 27.705700][ T241] 1 lock held by rst_ipv6/241: | [ 27.705858][ T241] #0: ffff8880077c1098 (sk_lock-AF_INET6){+.+.}-{0:0}, at: do_tcp_setsockopt (net/ipv4/tcp.c:3809) | [ 27.706202][ T241] | [ 27.706202][ T241] stack backtrace: [ 27.706649][ T241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 27.706992][ T241] Call Trace: [ 27.707112][ T241] [ 27.707199][ T241] dump_stack_lvl (lib/dump_stack.c:123) [ 27.707378][ T241] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) [ 27.707542][ T241] tcp_ao_set_repair (net/ipv4/tcp_ao.c:2399 (discriminator 7)) [ 27.707700][ T241] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 27.707874][ T241] ? __pfx_tcp_ao_set_repair (net/ipv4/tcp_ao.c:2371) [ 27.708043][ T241] do_tcp_setsockopt (net/ipv4/tcp.c:3924) [ 27.708206][ T241] ? __pfx_do_tcp_setsockopt (net/ipv4/tcp.c:3705) [ 27.708390][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 27.708555][ T241] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 27.708714][ T241] ? __lock_release (kernel/locking/lockdep.c:5501) [ 27.708886][ T241] ? __fget_files (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 fs/file.c:1006) [ 27.709052][ T241] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) [ 27.709206][ T241] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) [ 27.709361][ T241] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 27.709529][ T241] do_sock_setsockopt (net/socket.c:2334) [ 27.709687][ T241] ? __pfx_do_sock_setsockopt (net/socket.c:2303) [ 27.709851][ T241] ? fdget (fs/file.c:1121 fs/file.c:1128) [ 27.709977][ T241] __sys_setsockopt (./include/linux/file.h:35 net/socket.c:2359) [ 27.710141][ T241] ? __pfx___sys_setsockopt (net/socket.c:2347) [ 27.710306][ T241] ? __fget_files (fs/file.c:1009) [ 27.710462][ T241] ? __pfx___sys_socket (net/socket.c:1712) [ 27.710623][ T241] __x64_sys_setsockopt (net/socket.c:2363) [ 27.710777][ T241] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 27.710972][ T241] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 27.711134][ T241] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 27.711330][ T241] RIP: 0033:0x7f16caea691e [ 27.711499][ T241] Code: 0f 1f 40 00 48 8b 15 e1 94 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b1 0f 1f 00 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a9 All code ======== 0: 0f 1f 40 00 nopl 0x0(%rax) 4: 48 8b 15 e1 94 0a 00 mov 0xa94e1(%rip),%rdx # 0xa94ec b: f7 d8 neg %eax d: 64 89 02 mov %eax,%fs:(%rdx) 10: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax 17: eb b1 jmp 0xffffffffffffffca 19: 0f 1f 00 nopl (%rax) 1c: f3 0f 1e fa endbr64 20: 49 89 ca mov %rcx,%r10 23: b8 36 00 00 00 mov $0x36,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 0a ja 0x3c 32: c3 ret 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 15 .byte 0x15 3f: a9 .byte 0xa9 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 0a ja 0x12 8: c3 ret 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 48 rex.W 13: 8b .byte 0x8b 14: 15 .byte 0x15 15: a9 .byte 0xa9 [ 27.712042][ T241] RSP: 002b:00007f16ca551998 EFLAGS: 00000206 ORIG_RAX: 0000000000000036 [ 27.712279][ T241] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f16caea691e [ 27.712510][ T241] RDX: 000000000000002a RSI: 0000000000000006 RDI: 000000000000000a [ 27.712746][ T241] RBP: 000000000000000a R08: 0000000000000010 R09: 0000000000000064 [ 27.712979][ T241] R10: 00007f16ca5519b0 R11: 0000000000000206 R12: 00007f16ca551b00 Finger prints: lockdep_rcu_suspicious:tcp_ao_do_lookup:tcp_connect:tcp_v6_connect:__inet_stream_connect lockdep_rcu_suspicious:tcp_ao_finish_connect:tcp_finish_connect:tcp_rcv_synsent_state_process:tcp_rcv_state_process lockdep_rcu_suspicious:tcp_ao_copy_mkts_to_user:do_tcp_getsockopt:tcp_getsockopt:do_sock_getsockopt lockdep_rcu_suspicious:tcp_ao_set_repair:do_tcp_setsockopt:do_sock_setsockopt:__sys_setsockopt