======================================
| [ 1950.423158][ C2] #6: ffffffff8e7447e0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5729 (discriminator 16))
| [ 1950.423723][ C2] #7: ffffffff8e7447e0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/ipv4/ip_input.c:232)
| [ 1950.424265][ C2]
| [ 1950.424265][ C2] stack backtrace:
[ 1950.424993][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1950.425651][ C2] Call Trace:
[ 1950.425830][ C2]
[ 1950.425993][ C2] dump_stack_lvl (lib/dump_stack.c:107)
[ 1950.426266][ C2] validate_chain (kernel/locking/lockdep.c:3859)
[ 1950.426524][ C2] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825)
[ 1950.426807][ C2] ? 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)
[ 1950.427074][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 1950.427313][ C2] __lock_acquire (kernel/locking/lockdep.c:5137)
[ 1950.427579][ C2] ? lock_downgrade (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:103 kernel/locking/lockdep.c:5653)
[ 1950.427856][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 1950.428095][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 1950.428373][ C2] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 1950.428646][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 1950.428955][ C2] ? __pfx_sk_filter_trim_cap (net/core/filter.c:130)
[ 1950.429256][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 1950.429531][ C2] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 1950.429784][ C2] _raw_spin_lock_nested (kernel/locking/spinlock.c:379)
[ 1950.430063][ C2] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 1950.430322][ C2] tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 1950.430589][ C2] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2162)
[ 1950.430843][ C2] ? __pfx_raw_v4_input (net/ipv4/raw.c:165)
[ 1950.431114][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 1950.431427][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8))
[ 1950.431739][ C2] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234)
[ 1950.432032][ C2] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 1950.432302][ C2] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 1950.432618][ C2] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1131 ./include/linux/skbuff.h:1183 net/ipv4/ip_input.c:390)
[ 1950.432957][ C2] ip_rcv (./include/net/dst.h:461 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569)
[ 1950.433184][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 1950.433452][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 1950.433729][ C2] ? netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5729 (discriminator 16))
[ 1950.434048][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 1950.434312][ C2] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4))
[ 1950.434633][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5535)
[ 1950.434997][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 1950.435273][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 1950.435535][ C2] ? netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5729 (discriminator 16))
[ 1950.435852][ C2] netif_receive_skb_internal (net/core/dev.c:5742)
[ 1950.436169][ C2] ? __pfx_netif_receive_skb_internal (net/core/dev.c:5721)
[ 1950.436506][ C2] ? __copy_skb_header (./include/net/dst.h:290 net/core/skbuff.c:1420)
[ 1950.436787][ C2] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1491 (discriminator 4))
[ 1950.437067][ C2] netif_receive_skb (net/core/dev.c:5801)
[ 1950.437330][ C2] tcf_mirred_to_dev (net/sched/act_mirred.c:249 net/sched/act_mirred.c:324) act_mirred
[ 1950.437658][ C2] ? __pfx_tcf_skbedit_act (net/sched/act_skbedit.c:43) act_skbedit
[ 1950.438017][ C2] tcf_mirred_act (net/sched/act_mirred.c:459 (discriminator 2)) act_mirred
[ 1950.438332][ C2] tcf_action_exec.part.0 (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1100)
[ 1950.438626][ C2] fl_classify (net/sched/cls_flower.c:345) cls_flower
[ 1950.438950][ C2] ? __pfx_fl_classify (net/sched/cls_flower.c:316) cls_flower
[ 1950.439285][ C2] ? __pfx_usage_match (kernel/locking/lockdep.c:2256)
[ 1950.439566][ C2] ? check_irq_usage (kernel/locking/lockdep.c:2823)
[ 1950.439832][ C2] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790)
[ 1950.440117][ C2] ? __bfs (kernel/locking/lockdep.c:1787)
[ 1950.440378][ C2] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016)
[ 1950.440668][ C2] ? 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)
[ 1950.440911][ C2] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145)
[ 1950.441200][ C2] ? check_noncircular (kernel/locking/lockdep.c:2172)
[ 1950.441472][ C2] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163)
[ 1950.441779][ C2] __tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734)
[ 1950.442068][ C2] tcf_classify (net/sched/cls_api.c:1830)
[ 1950.442316][ C2] ? __pfx_tcf_classify (net/sched/cls_api.c:1779)
[ 1950.442589][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 1950.442882][ C2] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4284)
[ 1950.443158][ C2] tc_run (net/core/dev.c:3945)
[ 1950.443377][ C2] ? __pfx_tc_run (net/core/dev.c:3929)
[ 1950.443643][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 1950.443896][ C2] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4284)
[ 1950.444174][ C2] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4284)
[ 1950.444452][ C2] __dev_queue_xmit (net/core/dev.c:4069 net/core/dev.c:4301)
[ 1950.444737][ C2] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 1950.444996][ C2] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 1950.445259][ C2] ? __pfx___dev_queue_xmit (net/core/dev.c:4268)
[ 1950.445565][ C2] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:772 ./include/net/neighbour.h:496)
[ 1950.445841][ C2] ? vrf_ip_local_out (./include/net/dst.h:451 ./include/net/dst.h:449 drivers/net/vrf.c:522) vrf
[ 1950.446168][ C2] ip_finish_output2 (./include/net/neighbour.h:540 net/ipv4/ip_output.c:235)
[ 1950.446447][ C2] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199)
[ 1950.446749][ C2] ? __ip_finish_output (net/ipv4/ip_output.c:256 net/ipv4/ip_output.c:308 net/ipv4/ip_output.c:295)
[ 1950.447046][ C2] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433)
[ 1950.447276][ C2] ? 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)
[ 1950.447530][ C2] ? __pfx_ip_output (net/ipv4/ip_output.c:427)
[ 1950.447809][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 1950.448116][ C2] ? ip_local_out (./include/linux/skbuff.h:1131 ./include/net/dst.h:451 net/ipv4/ip_output.c:129)
[ 1950.448368][ C2] __ip_queue_xmit (net/ipv4/ip_output.c:535 (discriminator 4))
[ 1950.448647][ C2] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1491 (discriminator 4))
[ 1950.448892][ C2] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4))
[ 1950.449176][ C2] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1283)
[ 1950.449473][ C2] ? tcp_small_queue_check.isra.0 (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:136 net/ipv4/tcp_output.c:2623)
[ 1950.449813][ C2] tcp_write_xmit (net/ipv4/tcp_output.c:2792)
[ 1950.450075][ C2] ? ipv4_mtu (./include/net/net_namespace.h:385 ./include/linux/netdevice.h:2651 ./include/net/ip.h:465 net/ipv4/route.c:1326)
[ 1950.450309][ C2] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2702)
[ 1950.450622][ C2] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1853)
[ 1950.450910][ C2] __tcp_push_pending_frames (net/ipv4/tcp_output.c:2977)
[ 1950.451206][ C2] tcp_rcv_state_process (net/ipv4/tcp_input.c:5654 net/ipv4/tcp_input.c:6870)
[ 1950.451524][ C2] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 1950.451772][ C2] ? 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)
[ 1950.452017][ C2] ? __lock_acquired (kernel/locking/lockdep.c:339 kernel/locking/lockdep.c:5991)
[ 1950.452291][ C2] ? __pfx_tcp_rcv_state_process (net/ipv4/tcp_input.c:6620)
[ 1950.452627][ C2] ? __pfx___lock_acquired (kernel/locking/lockdep.c:5959)
[ 1950.452923][ C2] ? __pfx_do_raw_spin_trylock (kernel/locking/spinlock_debug.c:122)
[ 1950.453219][ C2] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929)
[ 1950.453476][ C2] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2329)
[ 1950.453732][ C2] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2162)
[ 1950.454013][ C2] ? __pfx_raw_v4_input (net/ipv4/raw.c:165)
[ 1950.454287][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 1950.454597][ C2] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8))
[ 1950.454952][ C2] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234)
[ 1950.455249][ C2] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 1950.455518][ C2] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 1950.455827][ C2] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1131 ./include/linux/skbuff.h:1183 net/ipv4/ip_input.c:390)
[ 1950.456168][ C2] ip_rcv (./include/net/dst.h:461 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569)
[ 1950.456391][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 1950.456661][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 1950.456942][ C2] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5983)
[ 1950.457218][ C2] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 1950.457474][ C2] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4))
[ 1950.457783][ C2] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5535)
[ 1950.458124][ C2] ? __pfx_do_raw_spin_trylock (kernel/locking/spinlock_debug.c:122)
[ 1950.458432][ C2] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 1950.458700][ C2] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5983)
[ 1950.458982][ C2] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5985)
[ 1950.459246][ C2] __napi_poll.constprop.0 (net/core/dev.c:6585)
[ 1950.459555][ C2] net_rx_action (net/core/dev.c:6653 net/core/dev.c:6786)
[ 1950.459806][ C2] ? __pfx_net_rx_action (net/core/dev.c:6750)
[ 1950.460091][ C2] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 1950.460402][ C2] ? ktime_get (./include/linux/seqlock.h:74 kernel/time/timekeeping.c:846)
[ 1950.460635][ C2] ? hrtimer_interrupt (kernel/time/hrtimer.c:1827)
[ 1950.460917][ C2] ? __pfx_lapic_next_deadline (arch/x86/kernel/apic/apic.c:454)
[ 1950.461236][ C2] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3))
[ 1950.461555][ C2] __do_softirq (./arch/x86/include/asm/jump_label.h:27 ./include/linux/jump_label.h:207 ./include/trace/events/irq.h:142 kernel/softirq.c:554)
[ 1950.461805][ C2] irq_exit_rcu (kernel/softirq.c:427 kernel/softirq.c:632 kernel/softirq.c:644)
[ 1950.462060][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1076 (discriminator 14))
[ 1950.462362][ C2]
[ 1950.462531][ C2]
[ 1950.462711][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:649)
[ 1950.463046][ C2] RIP: 0010:finish_task_switch.isra.0 (./arch/x86/include/asm/jump_label.h:27 kernel/sched/core.c:4960 kernel/sched/core.c:5284)
[ 1950.463401][ C2] Code: 89 ff 48 c7 03 00 00 00 00 e8 bd c9 63 02 4d 85 e4 75 ba 4c 89 ff e8 50 a5 63 02 e8 bb e1 2c 00 fb 65 48 8b 1c 25 c0 b6 1f 00 <66> 90 48 83 7d d0 00 74 56 65 48 8b 1c 25 c0 b6 1f 00 48 8d bb e8
All code
========
0: 89 ff mov %edi,%edi
2: 48 c7 03 00 00 00 00 movq $0x0,(%rbx)
9: e8 bd c9 63 02 call 0x263c9cb
e: 4d 85 e4 test %r12,%r12
11: 75 ba jne 0xffffffffffffffcd
13: 4c 89 ff mov %r15,%rdi
16: e8 50 a5 63 02 call 0x263a56b
1b: e8 bb e1 2c 00 call 0x2ce1db
20: fb sti
21: 65 48 8b 1c 25 c0 b6 mov %gs:0x1fb6c0,%rbx
28: 1f 00
2a:* 66 90 xchg %ax,%ax <-- trapping instruction
2c: 48 83 7d d0 00 cmpq $0x0,-0x30(%rbp)
31: 74 56 je 0x89
33: 65 48 8b 1c 25 c0 b6 mov %gs:0x1fb6c0,%rbx
3a: 1f 00
3c: 48 rex.W
3d: 8d .byte 0x8d
3e: bb .byte 0xbb
3f: e8 .byte 0xe8
Code starting with the faulting instruction
===========================================
0: 66 90 xchg %ax,%ax
2: 48 83 7d d0 00 cmpq $0x0,-0x30(%rbp)
7: 74 56 je 0x5f
9: 65 48 8b 1c 25 c0 b6 mov %gs:0x1fb6c0,%rbx
10: 1f 00
12: 48 rex.W
13: 8d .byte 0x8d
14: bb .byte 0xbb
15: e8 .byte 0xe8
[ 1950.464421][ C2] RSP: 0018:ffffc900001afa48 EFLAGS: 00000206
[ 1950.464749][ C2] RAX: 00000000000b744b RBX: ffff888006308040 RCX: 1ffffffff1e1b739
[ 1950.465190][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8ae3e8b5
[ 1950.465611][ C2] RBP: ffffc900001afa88 R08: 0000000000000001 R09: fffffbfff1e1bdc2
[ 1950.466038][ C2] R10: ffffffff8f0dee17 R11: ffff888035bfc348 R12: ffff888035bfc198
[ 1950.466478][ C2] R13: ffff888001d0de00 R14: 0000000000000003 R15: ffff888035bfc180
[ 1950.466897][ C2] ? finish_task_switch.isra.0 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/sched/sched.h:1397 kernel/sched/core.c:5154 kernel/sched/core.c:5272)
[ 1950.467210][ C2] ? finish_task_switch.isra.0 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/sched/sched.h:1397 kernel/sched/core.c:5154 kernel/sched/core.c:5272)
[ 1950.467535][ C2] ? __switch_to (./arch/x86/include/asm/bitops.h:55 ./include/asm-generic/bitops/instrumented-atomic.h:29 ./include/linux/thread_info.h:89 ./arch/x86/include/asm/fpu/sched.h:66 arch/x86/kernel/process_64.c:626)
[ 1950.467787][ C2] __schedule (kernel/sched/core.c:6608)
[ 1950.468030][ C2] ? __pfx___schedule (kernel/sched/core.c:6608)
[ 1950.468322][ C2] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 1950.468623][ C2] ? schedule (kernel/sched/core.c:6785 kernel/sched/core.c:6816)
[ 1950.468866][ C2] schedule (./arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:6803 kernel/sched/core.c:6817)
[ 1950.469109][ C2] pipe_write (fs/pipe.c:589 (discriminator 7))
[ 1950.469355][ C2] ? 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)
[ 1950.469597][ C2] ? __pfx_pipe_write (fs/pipe.c:439)
[ 1950.469873][ C2] ? __mark_inode_dirty (./include/trace/events/writeback.h:141 fs/fs-writeback.c:2454)
[ 1950.470167][ C2] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383)
[ 1950.470493][ C2] ? __up_write (./arch/x86/include/asm/atomic64_64.h:91 ./include/linux/atomic/atomic-arch-fallback.h:2838 ./include/linux/atomic/atomic-long.h:268 ./include/linux/atomic/atomic-instrumented.h:3363 kernel/locking/rwsem.c:1374)
[ 1950.470759][ C2] vfs_write (fs/read_write.c:498 fs/read_write.c:590)
[ 1950.471001][ C2] ? __pfx_vfs_write (fs/read_write.c:571)
[ 1950.471262][ C2] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145)
[ 1950.471529][ C2] ksys_write (fs/read_write.c:643)
[ 1950.471765][ C2] ? __pfx_ksys_write (fs/read_write.c:633)
[ 1950.472035][ C2] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 1950.472315][ C2] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
[ 1950.472636][ C2] RIP: 0033:0x7f66aecf6957
[ 1950.472889][ C2] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
0: 0b 00 or (%rax),%eax
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 b7 jmp 0xffffffffffffffc7
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 01 00 00 00 mov $0x1,%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: 48 89 54 24 18 mov %rdx,0x18(%rsp)
3c: 48 rex.W
3d: 89 .byte 0x89
3e: 74 24 je 0x64
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: 48 89 54 24 18 mov %rdx,0x18(%rsp)
12: 48 rex.W
13: 89 .byte 0x89
14: 74 24 je 0x3a
[ 1950.473924][ C2] RSP: 002b:00007ffc7ac58e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1950.474361][ C2] RAX: ffffffffffffffda RBX: 00005567d90bea20 RCX: 00007f66aecf6957
[ 1950.474780][ C2] RDX: 0000000000002000 RSI: 00007ffc7ac58e90 RDI: 0000000000000001
[ 1950.475216][ C2] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
[ 1950.475642][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000002000
Finger prints:
dump_stack_lvl:validate_chain:__lock_acquire:_raw_spin_lock_nested