====================================== | [ 35.170620][ T299] 1 lock held by ip/299: | [ 35.170756][ T299] #0: ffffffff977bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 35.171189][ T299] | [ 35.171189][ T299] stack backtrace: [ 35.171919][ T299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.172432][ T299] Call Trace: [ 35.172596][ T299] [ 35.172689][ T299] dump_stack_lvl (lib/dump_stack.c:122) [ 35.172942][ T299] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 35.173182][ T299] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 35.173626][ T299] br_get_link_af_size_filtered (net/bridge/br_private.h:930 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) bridge [ 35.173883][ T299] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 35.174103][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.174324][ T299] br_add_if (net/bridge/br_if.c:692) bridge [ 35.174610][ T299] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 35.174879][ T299] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 35.175214][ T299] do_setlink (net/core/rtnetlink.c:2907) [ 35.175416][ T299] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 35.175632][ T299] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 35.175902][ T299] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 35.176163][ T299] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 35.176444][ T299] ? __kernel_text_address (kernel/extable.c:79) [ 35.176712][ T299] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 35.176907][ T299] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 35.177194][ T299] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 35.177485][ T299] ? stack_trace_save (kernel/stacktrace.c:123) [ 35.177753][ T299] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 35.178017][ T299] ? __pfx_validate_nla (lib/nlattr.c:396) [ 35.178283][ T299] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.178519][ T299] ? kasan_save_stack (mm/kasan/common.c:49) [ 35.178804][ T299] ? __nla_validate_parse (lib/nlattr.c:638) [ 35.179006][ T299] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 35.179190][ T299] ? 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:227) [ 35.179369][ T299] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 35.179567][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.179801][ T299] ? __create_object (mm/kmemleak.c:751) [ 35.179977][ T299] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 35.180170][ T299] rtnl_newlink (net/core/rtnetlink.c:3744) [ 35.180305][ T299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 35.180503][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.180683][ T299] ? 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:227) [ 35.180860][ T299] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.181000][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 35.181198][ T299] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 35.181373][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.181557][ T299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 35.181748][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 35.181923][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 35.182105][ T299] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 35.182282][ T299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 35.182467][ T299] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.182643][ T299] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 35.182821][ T299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 35.182995][ T299] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 35.183176][ T299] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 35.183357][ T299] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 35.183537][ T299] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 35.183708][ T299] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 35.183936][ T299] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 35.184121][ T299] ___sys_sendmsg (net/socket.c:2653) [ 35.184307][ T299] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 35.184483][ T299] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.184663][ T299] ? __lock_release (kernel/locking/lockdep.c:5435) [ 35.184833][ T299] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 35.185050][ T299] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 35.185232][ T299] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 35.185412][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.185642][ T299] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 35.185829][ T299] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 35.186013][ T299] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 35.186189][ T299] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) [ 35.186386][ T299] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 35.186581][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 35.186816][ T299] RIP: 0033:0x7ff9bd2927b7 [ 35.187011][ T299] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 35.187617][ T299] RSP: 002b:00007fff0bb18998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.187877][ T299] RAX: ffffffffffffffda RBX: 00007fff0bb190c0 RCX: 00007ff9bd2927b7 [ 35.188140][ T299] RDX: 0000000000000000 RSI: 00007fff0bb18a00 RDI: 0000000000000005 [ 35.188398][ T299] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 35.188658][ T299] R10: 000000003bf5a910 R11: 0000000000000246 R12: 0000000000000004 [ 35.188918][ T299] R13: 0000000066be9e19 R14: 0000000000496600 R15: 0000000000000000 | [ 35.191083][ T299] 1 lock held by ip/299: | [ 35.191217][ T299] #0: ffffffff977bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 35.191557][ T299] | [ 35.191557][ T299] stack backtrace: [ 35.192034][ T299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.192420][ T299] Call Trace: [ 35.192553][ T299] [ 35.192645][ T299] dump_stack_lvl (lib/dump_stack.c:122) [ 35.192845][ T299] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 35.193016][ T299] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 35.193274][ T299] br_get_link_af_size_filtered (net/bridge/br_private.h:453 net/bridge/br_private.h:940 net/bridge/br_netlink.c:105) bridge [ 35.193557][ T299] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 35.193772][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.193996][ T299] br_add_if (net/bridge/br_if.c:692) bridge [ 35.194211][ T299] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 35.194409][ T299] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 35.194631][ T299] do_setlink (net/core/rtnetlink.c:2907) [ 35.194806][ T299] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 35.194981][ T299] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 35.195157][ T299] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 35.195346][ T299] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 35.195532][ T299] ? __kernel_text_address (kernel/extable.c:79) [ 35.195706][ T299] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 35.195882][ T299] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 35.196098][ T299] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 35.196308][ T299] ? stack_trace_save (kernel/stacktrace.c:123) [ 35.196497][ T299] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 35.196674][ T299] ? __pfx_validate_nla (lib/nlattr.c:396) [ 35.196953][ T299] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.197091][ T299] ? kasan_save_stack (mm/kasan/common.c:49) [ 35.197269][ T299] ? __nla_validate_parse (lib/nlattr.c:638) [ 35.197477][ T299] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 35.197660][ T299] ? 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:227) [ 35.197844][ T299] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 35.198021][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.198245][ T299] ? __create_object (mm/kmemleak.c:751) [ 35.198447][ T299] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 35.198637][ T299] rtnl_newlink (net/core/rtnetlink.c:3744) [ 35.198777][ T299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 35.198967][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.199151][ T299] ? 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:227) [ 35.199334][ T299] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.199480][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 35.199680][ T299] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 35.199860][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.200050][ T299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 35.200248][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 35.200439][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 35.200627][ T299] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 35.200818][ T299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 35.200999][ T299] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.201198][ T299] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 35.201376][ T299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 35.201734][ T299] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 35.201914][ T299] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 35.202098][ T299] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 35.202290][ T299] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 35.202495][ T299] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 35.202815][ T299] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 35.203016][ T299] ___sys_sendmsg (net/socket.c:2653) [ 35.203213][ T299] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 35.203396][ T299] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.203685][ T299] ? __lock_release (kernel/locking/lockdep.c:5435) [ 35.203866][ T299] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 35.204096][ T299] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 35.204281][ T299] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 35.204466][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.204691][ T299] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 35.204883][ T299] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 35.205063][ T299] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 35.205240][ T299] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) [ 35.205450][ T299] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 35.205636][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 35.205859][ T299] RIP: 0033:0x7ff9bd2927b7 [ 35.206149][ T299] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 35.206988][ T299] RSP: 002b:00007fff0bb18998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.207298][ T299] RAX: ffffffffffffffda RBX: 00007fff0bb190c0 RCX: 00007ff9bd2927b7 [ 35.207573][ T299] RDX: 0000000000000000 RSI: 00007fff0bb18a00 RDI: 0000000000000005 [ 35.207925][ T299] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 35.208180][ T299] R10: 000000003bf5a910 R11: 0000000000000246 R12: 0000000000000004 [ 35.208440][ T299] R13: 0000000066be9e19 R14: 0000000000496600 R15: 0000000000000000 | [ 35.211042][ T299] 1 lock held by ip/299: | [ 35.211181][ T299] #0: ffffffff977bc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 35.211507][ T299] | [ 35.211507][ T299] stack backtrace: [ 35.211973][ T299] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 35.212456][ T299] Call Trace: [ 35.212589][ T299] [ 35.212679][ T299] dump_stack_lvl (lib/dump_stack.c:122) [ 35.212856][ T299] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 35.213124][ T299] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 35.213402][ T299] br_get_link_af_size_filtered (net/bridge/br_private.h:1611 net/bridge/br_private.h:1608 net/bridge/br_netlink.c:107) bridge [ 35.213683][ T299] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 35.213885][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.214225][ T299] br_add_if (net/bridge/br_if.c:692) bridge [ 35.214431][ T299] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 35.214612][ T299] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 35.214832][ T299] do_setlink (net/core/rtnetlink.c:2907) [ 35.215103][ T299] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 35.215276][ T299] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 35.215456][ T299] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 35.215624][ T299] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 35.215892][ T299] ? __kernel_text_address (kernel/extable.c:79) [ 35.216058][ T299] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 35.216227][ T299] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 35.216434][ T299] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 35.216715][ T299] ? stack_trace_save (kernel/stacktrace.c:123) [ 35.216895][ T299] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 35.217063][ T299] ? __pfx_validate_nla (lib/nlattr.c:396) [ 35.217231][ T299] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.217367][ T299] ? kasan_save_stack (mm/kasan/common.c:49) [ 35.217538][ T299] ? __nla_validate_parse (lib/nlattr.c:638) [ 35.217711][ T299] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 35.217886][ T299] ? 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:227) [ 35.218062][ T299] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 35.218329][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.218542][ T299] ? __create_object (mm/kmemleak.c:751) [ 35.218713][ T299] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 35.218896][ T299] rtnl_newlink (net/core/rtnetlink.c:3744) [ 35.219119][ T299] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 35.219288][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.219455][ T299] ? 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:227) [ 35.219621][ T299] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 35.219858][ T299] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 35.220045][ T299] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 35.220275][ T299] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 35.220522][ T299] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 35.220805][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 35.221268][ T299] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 35.221442][ T299] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 35.221625][ T299] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 35.221797][ T299] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.222068][ T299] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 35.222240][ T299] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 35.222406][ T299] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 35.222606][ T299] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 35.222899][ T299] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 35.223081][ T299] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 35.223260][ T299] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 35.223499][ T299] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 35.223774][ T299] ___sys_sendmsg (net/socket.c:2653) [ 35.223945][ T299] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 35.224113][ T299] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 35.224285][ T299] ? __lock_release (kernel/locking/lockdep.c:5435) [ 35.224547][ T299] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 35.224756][ T299] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 35.224925][ T299] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 35.225101][ T299] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 35.225311][ T299] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 35.225489][ T299] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 35.225656][ T299] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 35.225821][ T299] ? __virt_addr_valid (./arch/x86/include/asm/preempt.h:94 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2034 arch/x86/mm/physaddr.c:65) [ 35.226011][ T299] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 35.226180][ T299] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 35.226393][ T299] RIP: 0033:0x7ff9bd2927b7 [ 35.226573][ T299] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 35.227258][ T299] RSP: 002b:00007fff0bb18998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.227511][ T299] RAX: ffffffffffffffda RBX: 00007fff0bb190c0 RCX: 00007ff9bd2927b7 [ 35.227864][ T299] RDX: 0000000000000000 RSI: 00007fff0bb18a00 RDI: 0000000000000005 [ 35.228113][ T299] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 35.228462][ T299] R10: 000000003bf5a910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink