====================================== | [ 33.511886][ T303] 1 lock held by ip/303: | [ 33.512104][ T303] #0: ffffffffa5fbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 33.512887][ T303] | [ 33.512887][ T303] stack backtrace: [ 33.513645][ T303] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.514248][ T303] Call Trace: [ 33.514480][ T303] [ 33.514626][ T303] dump_stack_lvl (lib/dump_stack.c:122) [ 33.514918][ T303] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 33.515192][ T303] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 33.515650][ T303] 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 [ 33.516063][ T303] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 33.516388][ T303] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.516752][ T303] br_add_if (net/bridge/br_if.c:692) bridge [ 33.517088][ T303] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 33.517356][ T303] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 33.517724][ T303] do_setlink (net/core/rtnetlink.c:2907) [ 33.517991][ T303] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 33.518262][ T303] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 33.518541][ T303] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 33.518819][ T303] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 33.519098][ T303] ? __kernel_text_address (kernel/extable.c:79) [ 33.519357][ T303] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 33.519639][ T303] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 33.519986][ T303] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 33.520291][ T303] ? stack_trace_save (kernel/stacktrace.c:123) [ 33.520574][ T303] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 33.520851][ T303] ? __pfx_validate_nla (lib/nlattr.c:396) [ 33.521122][ T303] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.521339][ T303] ? kasan_save_stack (mm/kasan/common.c:49) [ 33.521614][ T303] ? __nla_validate_parse (lib/nlattr.c:638) [ 33.521899][ T303] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 33.522172][ T303] ? 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) [ 33.522445][ T303] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 33.522733][ T303] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.523073][ T303] ? __create_object (mm/kmemleak.c:751) [ 33.523351][ T303] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 33.523643][ T303] rtnl_newlink (net/core/rtnetlink.c:3744) [ 33.523856][ T303] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 33.524124][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.524372][ T303] ? 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) [ 33.524641][ T303] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.524860][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 33.525131][ T303] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 33.525398][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.525677][ T303] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 33.525959][ T303] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 33.526219][ T303] ? 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) [ 33.526483][ T303] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 33.526746][ T303] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 33.527008][ T303] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.527267][ T303] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 33.527562][ T303] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 33.527839][ T303] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 33.528125][ T303] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 33.528423][ T303] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 33.528683][ T303] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 33.528938][ T303] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 33.529249][ T303] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 33.529540][ T303] ___sys_sendmsg (net/socket.c:2653) [ 33.529805][ T303] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 33.530064][ T303] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.530321][ T303] ? __lock_release (kernel/locking/lockdep.c:5435) [ 33.530579][ T303] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 33.530888][ T303] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 33.531149][ T303] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 33.531426][ T303] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.531752][ T303] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 33.532022][ T303] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 33.532296][ T303] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 33.532572][ T303] ? __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) [ 33.532894][ T303] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 33.533188][ T303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 33.533537][ T303] RIP: 0033:0x7ff35ce1d7b7 [ 33.533833][ T303] 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) [ 33.534457][ T303] RSP: 002b:00007ffdb5caf4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.534714][ T303] RAX: ffffffffffffffda RBX: 00007ffdb5cafc10 RCX: 00007ff35ce1d7b7 [ 33.534964][ T303] RDX: 0000000000000000 RSI: 00007ffdb5caf550 RDI: 0000000000000005 [ 33.535219][ T303] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 33.535480][ T303] R10: 00000000359e9910 R11: 0000000000000246 R12: 0000000000000004 [ 33.535738][ T303] R13: 0000000066bea16a R14: 0000000000496600 R15: 0000000000000000 | [ 33.537914][ T303] 1 lock held by ip/303: | [ 33.538041][ T303] #0: ffffffffa5fbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 33.538362][ T303] | [ 33.538362][ T303] stack backtrace: [ 33.538835][ T303] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.539198][ T303] Call Trace: [ 33.539343][ T303] [ 33.539434][ T303] dump_stack_lvl (lib/dump_stack.c:122) [ 33.539611][ T303] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 33.539779][ T303] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 33.540026][ T303] 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 [ 33.540285][ T303] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 33.540486][ T303] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.540696][ T303] br_add_if (net/bridge/br_if.c:692) bridge [ 33.540895][ T303] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 33.541062][ T303] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 33.541540][ T303] do_setlink (net/core/rtnetlink.c:2907) [ 33.541709][ T303] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 33.541881][ T303] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 33.542047][ T303] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 33.542328][ T303] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 33.542495][ T303] ? __kernel_text_address (kernel/extable.c:79) [ 33.542659][ T303] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 33.542828][ T303] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 33.543128][ T303] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 33.543328][ T303] ? stack_trace_save (kernel/stacktrace.c:123) [ 33.543492][ T303] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 33.543658][ T303] ? __pfx_validate_nla (lib/nlattr.c:396) [ 33.543825][ T303] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.544049][ T303] ? kasan_save_stack (mm/kasan/common.c:49) [ 33.544217][ T303] ? __nla_validate_parse (lib/nlattr.c:638) [ 33.544402][ T303] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 33.544573][ T303] ? 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) [ 33.544838][ T303] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 33.545008][ T303] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.545217][ T303] ? __create_object (mm/kmemleak.c:751) [ 33.545398][ T303] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 33.545703][ T303] rtnl_newlink (net/core/rtnetlink.c:3744) [ 33.545833][ T303] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 33.546000][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.546178][ T303] ? 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) [ 33.546358][ T303] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.546594][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 33.546766][ T303] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 33.546940][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.547109][ T303] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 33.547313][ T303] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 33.547477][ T303] ? 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) [ 33.547645][ T303] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 33.547832][ T303] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 33.548102][ T303] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.548288][ T303] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 33.548462][ T303] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 33.548627][ T303] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 33.548800][ T303] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 33.549077][ T303] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 33.549257][ T303] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 33.549432][ T303] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 33.549643][ T303] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 33.549923][ T303] ___sys_sendmsg (net/socket.c:2653) [ 33.550093][ T303] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 33.550275][ T303] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.550449][ T303] ? __lock_release (kernel/locking/lockdep.c:5435) [ 33.550713][ T303] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 33.550917][ T303] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 33.551091][ T303] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 33.551279][ T303] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.551589][ T303] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 33.551765][ T303] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 33.551929][ T303] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 33.552098][ T303] ? __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) [ 33.552502][ T303] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 33.552724][ T303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 33.552932][ T303] RIP: 0033:0x7ff35ce1d7b7 [ 33.553215][ T303] 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) [ 33.553916][ T303] RSP: 002b:00007ffdb5caf4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.554173][ T303] RAX: ffffffffffffffda RBX: 00007ffdb5cafc10 RCX: 00007ff35ce1d7b7 [ 33.554435][ T303] RDX: 0000000000000000 RSI: 00007ffdb5caf550 RDI: 0000000000000005 [ 33.554687][ T303] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 33.555138][ T303] R10: 00000000359e9910 R11: 0000000000000246 R12: 0000000000000004 [ 33.555403][ T303] R13: 0000000066bea16a R14: 0000000000496600 R15: 0000000000000000 | [ 33.557761][ T303] 1 lock held by ip/303: | [ 33.557887][ T303] #0: ffffffffa5fbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg (net/core/rtnetlink.c:6645) | [ 33.558194][ T303] | [ 33.558194][ T303] stack backtrace: [ 33.558766][ T303] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 33.559231][ T303] Call Trace: [ 33.559377][ T303] [ 33.559468][ T303] dump_stack_lvl (lib/dump_stack.c:122) [ 33.559639][ T303] lockdep_rcu_suspicious (./include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6725) [ 33.559809][ T303] ? __pfx_br_handle_frame (net/bridge/br_input.c:326) bridge [ 33.560150][ T303] 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 [ 33.560440][ T303] br_info_notify (./include/linux/skbuff.h:1320 ./include/net/netlink.h:1015 net/bridge/br_netlink.c:645) bridge [ 33.560638][ T303] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.560847][ T303] br_add_if (net/bridge/br_if.c:692) bridge [ 33.561142][ T303] ? rtnl_is_locked (net/core/rtnetlink.c:164) [ 33.561314][ T303] ? netdev_master_upper_dev_get (net/core/dev.c:7102) [ 33.561528][ T303] do_setlink (net/core/rtnetlink.c:2907) [ 33.561695][ T303] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 33.561956][ T303] ? __pfx_do_setlink (net/core/rtnetlink.c:2778) [ 33.562122][ T303] ? is_bpf_text_address (./kernel/bpf/core.c:772) [ 33.562287][ T303] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 33.562456][ T303] ? __kernel_text_address (kernel/extable.c:79) [ 33.562717][ T303] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 33.562890][ T303] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 33.563100][ T303] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 33.563282][ T303] ? stack_trace_save (kernel/stacktrace.c:123) [ 33.563546][ T303] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 33.563714][ T303] ? __pfx_validate_nla (lib/nlattr.c:396) [ 33.563881][ T303] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.564014][ T303] ? kasan_save_stack (mm/kasan/common.c:49) [ 33.564191][ T303] ? __nla_validate_parse (lib/nlattr.c:638) [ 33.564667][ T303] __rtnl_newlink (net/core/rtnetlink.c:3696) [ 33.564840][ T303] ? 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) [ 33.565006][ T303] ? __pfx___rtnl_newlink (net/core/rtnetlink.c:3557) [ 33.565183][ T303] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.565391][ T303] ? __create_object (mm/kmemleak.c:751) [ 33.565574][ T303] ? trace_kmalloc (./include/trace/events/kmem.h:54 (discriminator 52)) [ 33.565763][ T303] rtnl_newlink (net/core/rtnetlink.c:3744) [ 33.565895][ T303] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [ 33.566075][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.566341][ T303] ? 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) [ 33.566512][ T303] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 33.566645][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 33.566813][ T303] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 33.566978][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6541) [ 33.567247][ T303] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2527) [ 33.567433][ T303] ? netlink_deliver_tap (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 net/netlink/af_netlink.c:340) [ 33.567608][ T303] ? 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) [ 33.567875][ T303] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 33.568048][ T303] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 33.568214][ T303] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.568388][ T303] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 33.568662][ T303] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 33.568829][ T303] ? __might_fault (mm/memory.c:6388 mm/memory.c:6381) [ 33.569007][ T303] ? __import_iovec (lib/iov_iter.c:1263 lib/iov_iter.c:1279) [ 33.569184][ T303] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [ 33.569357][ T303] ? __pfx_____sys_sendmsg (net/socket.c:2543) [ 33.569525][ T303] ? __pfx_copy_msghdr_from_user (net/socket.c:2523) [ 33.569734][ T303] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 33.570019][ T303] ___sys_sendmsg (net/socket.c:2653) [ 33.570193][ T303] ? __pfx____sys_sendmsg (net/socket.c:2640) [ 33.570366][ T303] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 33.570641][ T303] ? __lock_release (kernel/locking/lockdep.c:5435) [ 33.570805][ T303] ? __debug_check_no_obj_freed (lib/debugobjects.c:1001) [ 33.571023][ T303] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 33.571196][ T303] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 33.571472][ T303] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 33.571680][ T303] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 33.571857][ T303] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [ 33.572028][ T303] ? __pfx___sys_sendmsg (net/socket.c:2668) [ 33.572192][ T303] ? __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) [ 33.572479][ T303] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 33.572653][ T303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 33.572959][ T303] RIP: 0033:0x7ff35ce1d7b7 [ 33.573132][ T303] 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) [ 33.573810][ T303] RSP: 002b:00007ffdb5caf4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.574053][ T303] RAX: ffffffffffffffda RBX: 00007ffdb5cafc10 RCX: 00007ff35ce1d7b7 [ 33.574298][ T303] RDX: 0000000000000000 RSI: 00007ffdb5caf550 RDI: 0000000000000005 [ 33.574541][ T303] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 33.574792][ T303] R10: 00000000359e9910 R11: 0000000000000246 R12: 0000000000000004 Finger prints: lockdep_rcu_suspicious:br_get_link_af_size_filtered:br_info_notify:br_add_if:do_setlink