====================================== | [ 185.692156][ C3] #2: ffffffffae1663a0 (rcu_read_lock){....}-{1:2}, at: is_bpf_text_address (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 kernel/bpf/core.c:767) | [ 185.692645][ C3] #3: ffffc90000288d68 ((&tw->tw_timer)){+.-.}-{0:0}, at: call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) | [ 185.693013][ C3] | [ 185.693013][ C3] stack backtrace: [ 185.693575][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 185.694274][ C3] Call Trace: [ 185.694432][ C3] [ 185.694539][ C3] dump_stack_lvl (lib/dump_stack.c:117) [ 185.694749][ C3] check_noncircular (kernel/locking/lockdep.c:2187) [ 185.695076][ C3] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) [ 185.695283][ C3] ? lock_release (kernel/locking/lockdep.c:116 kernel/locking/lockdep.c:5767) [ 185.695490][ C3] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 185.695697][ C3] ? alloc_chain_hlocks (kernel/locking/lockdep.c:3501) [ 185.696044][ C3] check_prev_add (kernel/locking/lockdep.c:3135) [ 185.696252][ C3] validate_chain (kernel/locking/lockdep.c:3254 kernel/locking/lockdep.c:3869) [ 185.696460][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 185.696666][ C3] ? 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) [ 185.696991][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 185.697149][ C3] __lock_acquire (kernel/locking/lockdep.c:5137) [ 185.697358][ C3] ? __pfx_tw_timer_handler (net/ipv4/inet_timewait_sock.c:173) [ 185.697563][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 185.697772][ C3] ? tw_timer_handler (net/ipv4/inet_timewait_sock.c:81 net/ipv4/inet_timewait_sock.c:176) [ 185.698097][ C3] ? __pfx_tw_timer_handler (net/ipv4/inet_timewait_sock.c:173) [ 185.698303][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 185.698510][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 185.698715][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 185.699040][ C3] ? tw_timer_handler (net/ipv4/inet_timewait_sock.c:81 net/ipv4/inet_timewait_sock.c:176) [ 185.699244][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 185.699450][ C3] ? tw_timer_handler (net/ipv4/inet_timewait_sock.c:81 net/ipv4/inet_timewait_sock.c:176) [ 185.699658][ C3] _raw_spin_lock (./include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 185.699984][ C3] ? tw_timer_handler (net/ipv4/inet_timewait_sock.c:81 net/ipv4/inet_timewait_sock.c:176) [ 185.700190][ C3] tw_timer_handler (net/ipv4/inet_timewait_sock.c:81 net/ipv4/inet_timewait_sock.c:176) [ 185.700396][ C3] call_timer_fn (kernel/time/timer.c:1793) [ 185.700601][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 185.700806][ C3] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 185.701132][ C3] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) [ 185.701338][ C3] ? 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) [ 185.701542][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 185.701753][ C3] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) [ 185.702079][ C3] ? __pfx_tw_timer_handler (net/ipv4/inet_timewait_sock.c:173) [ 185.702287][ C3] ? __pfx___run_timers (kernel/time/timer.c:2389) [ 185.702495][ C3] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:115 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) [ 185.702701][ C3] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 185.703025][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 185.703231][ C3] ? run_timer_softirq (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2446) [ 185.703438][ C3] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2446) [ 185.703644][ C3] __do_softirq (kernel/softirq.c:554) [ 185.703972][ C3] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) [ 185.704129][ C3] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 185.704334][ C3] [ 185.704446][ C3] [ 185.704549][ C3] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 185.704809][ C3] RIP: 0010:lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 185.705189][ C3] Code: ff 48 83 c4 28 65 0f c1 05 44 18 93 55 83 f8 01 0f 85 b5 01 00 00 9c 58 f6 c4 02 0f 85 be 01 00 00 48 85 ed 0f 85 9b 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 All code ======== 0: ff 48 83 decl -0x7d(%rax) 3: c4 (bad) 4: 28 65 0f sub %ah,0xf(%rbp) 7: c1 05 44 18 93 55 83 roll $0x83,0x55931844(%rip) # 0x55931852 e: f8 clc f: 01 0f add %ecx,(%rdi) 11: 85 b5 01 00 00 9c test %esi,-0x63ffffff(%rbp) 17: 58 pop %rax 18: f6 c4 02 test $0x2,%ah 1b: 0f 85 be 01 00 00 jne 0x1df 21: 48 85 ed test %rbp,%rbp 24: 0f 85 9b 01 00 00 jne 0x1c5 2a:* 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 48 01 c3 add %rax,%rbx 37: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 3e: 48 rex.W 3f: c7 .byte 0xc7 Code starting with the faulting instruction =========================================== 0: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 7: fc ff df a: 48 01 c3 add %rax,%rbx d: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 14: 48 rex.W 15: c7 .byte 0xc7 [ 185.706039][ C3] RSP: 0018:ffffc9000126e608 EFLAGS: 00000206 [ 185.706304][ C3] RAX: 0000000000000046 RBX: 1ffff9200024dcc4 RCX: 0000000000000001 [ 185.706611][ C3] RDX: 1ffff1100241614d RSI: ffff8880120b0ac0 RDI: ffff8880120b0ae2 [ 185.707040][ C3] RBP: 0000000000000200 R08: 0000000000000000 R09: ffff8880120b0ac0 [ 185.707352][ C3] R10: 1ffff9200024dc96 R11: ffffc9000126e789 R12: ffffffffae1663a0 [ 185.707660][ C3] R13: 0000000000000000 R14: ffff8880120b0040 R15: 0000000000092cc0 [ 185.708093][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 185.708300][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 185.708505][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 185.708712][ C3] ? is_bpf_text_address (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 kernel/bpf/core.c:767) [ 185.709040][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 185.709246][ C3] ? is_bpf_text_address (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 kernel/bpf/core.c:767) [ 185.709453][ C3] is_bpf_text_address (./include/linux/rcupdate.h:782 kernel/bpf/core.c:767) [ 185.709658][ C3] ? is_bpf_text_address (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 kernel/bpf/core.c:767) [ 185.710101][ C3] kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) [ 185.710308][ C3] __kernel_text_address (kernel/extable.c:79) [ 185.710512][ C3] unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 185.710718][ C3] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 185.711096][ C3] arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 185.711307][ C3] stack_trace_save (kernel/stacktrace.c:123) [ 185.711511][ C3] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 185.711721][ C3] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 185.711928][ C3] kasan_save_stack (mm/kasan/common.c:48) [ 185.712250][ C3] ? kasan_save_stack (mm/kasan/common.c:48) [ 185.712455][ C3] ? kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 185.712661][ C3] ? __kasan_slab_alloc (mm/kasan/common.c:341) [ 185.712866][ C3] ? kmem_cache_alloc (./include/linux/kasan.h:201 mm/slub.c:3798 mm/slub.c:3845 mm/slub.c:3852) [ 185.713194][ C3] ? __alloc_object (mm/kmemleak.c:466 mm/kmemleak.c:645) [ 185.713401][ C3] ? __create_object (mm/kmemleak.c:750) [ 185.713607][ C3] ? kmem_cache_alloc_node (./include/linux/kmemleak.h:42 mm/slub.c:3802 mm/slub.c:3845 mm/slub.c:3888) [ 185.713814][ C3] ? __alloc_skb (net/core/skbuff.c:659) [ 185.714140][ C3] ? tcp_stream_alloc_skb (./include/linux/skbuff.h:1363 net/ipv4/tcp.c:877) [ 185.714343][ C3] ? tcp_sendmsg_locked (net/ipv4/tcp.c:1159) [ 185.714548][ C3] ? tls_push_sg (net/tls/tls_main.c:199) tls [ 185.714762][ C3] ? tls_tx_records (net/tls/tls_sw.c:448) tls [ 185.715097][ C3] ? tls_push_record (net/tls/tls_sw.c:726) tls [ 185.715310][ C3] ? bpf_exec_tx_verdict (net/tls/tls_sw.c:859) tls [ 185.715572][ C3] ? tls_sw_sendmsg_locked.constprop.0 (net/tls/tls_sw.c:1169) tls [ 185.715836][ C3] ? tls_sw_sendmsg (net/tls/tls_sw.c:1241) tls [ 185.716177][ C3] ? sock_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:768) [ 185.716384][ C3] ? splice_to_socket (fs/splice.c:889) [ 185.716589][ C3] ? direct_splice_actor (fs/splice.c:941 fs/splice.c:1164) [ 185.716797][ C3] ? splice_direct_to_actor (fs/splice.c:1108) [ 185.717120][ C3] ? do_splice_direct (fs/splice.c:1208 fs/splice.c:1233) [ 185.717326][ C3] ? do_sendfile (fs/read_write.c:1295) [ 185.717533][ C3] ? __x64_sys_sendfile64 (fs/read_write.c:1362 fs/read_write.c:1348 fs/read_write.c:1348) [ 185.717737][ C3] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 185.717944][ C3] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 185.718319][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 185.718579][ C3] ? get_partial_node.part.0 (mm/slub.c:2623) [ 185.718787][ C3] ? ___slab_alloc (mm/slub.c:2583 mm/slub.c:2701 mm/slub.c:3505) [ 185.719112][ C3] ? kmem_cache_alloc (./include/linux/sched/mm.h:315 mm/slub.c:3746 mm/slub.c:3827 mm/slub.c:3852) [ 185.719318][ C3] ? __alloc_object (mm/kmemleak.c:466 mm/kmemleak.c:645) [ 185.719523][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 185.719732][ C3] kasan_save_track (./arch/x86/include/asm/current.h:49 mm/kasan/common.c:60 mm/kasan/common.c:69) [ 185.719939][ C3] __kasan_slab_alloc (mm/kasan/common.c:341) [ 185.720264][ C3] kmem_cache_alloc (./include/linux/kasan.h:201 mm/slub.c:3798 mm/slub.c:3845 mm/slub.c:3852) [ 185.720469][ C3] __alloc_object (mm/kmemleak.c:466 mm/kmemleak.c:645) [ 185.720679][ C3] __create_object (mm/kmemleak.c:750) [ 185.720885][ C3] kmem_cache_alloc_node (./include/linux/kmemleak.h:42 mm/slub.c:3802 mm/slub.c:3845 mm/slub.c:3888) [ 185.721209][ C3] ? __alloc_skb (net/core/skbuff.c:685) [ 185.721418][ C3] __alloc_skb (net/core/skbuff.c:659) [ 185.721624][ C3] ? __pfx___alloc_skb (net/core/skbuff.c:642) [ 185.721829][ C3] ? __sk_mem_raise_allocated (net/core/sock.c:3072) [ 185.722206][ C3] tcp_stream_alloc_skb (./include/linux/skbuff.h:1363 net/ipv4/tcp.c:877) [ 185.722411][ C3] tcp_sendmsg_locked (net/ipv4/tcp.c:1159) [ 185.722623][ C3] ? chacha_stream_xor (crypto/chacha_generic.c:26) chacha_generic [ 185.722883][ C3] ? __pfx_tcp_sendmsg_locked (net/ipv4/tcp.c:1044) [ 185.723209][ C3] ? __pfx_scatterwalk_map_and_copy (crypto/scatterwalk.c:57) [ 185.723467][ C3] tls_push_sg (net/tls/tls_main.c:199) tls [ 185.723681][ C3] ? __pfx_tls_push_sg (net/tls/tls_main.c:175) tls [ 185.723897][ C3] tls_tx_records (net/tls/tls_sw.c:448) tls [ 185.724232][ C3] ? sk_psock_get (./include/linux/rcupdate.h:339 ./include/linux/rcupdate.h:814 ./include/linux/skmsg.h:450) tls [ 185.724449][ C3] tls_push_record (net/tls/tls_sw.c:726) tls [ 185.724664][ C3] ? __pfx_tls_push_record (net/tls/tls_sw.c:726) tls [ 185.724927][ C3] ? sk_psock_get (./include/linux/skmsg.h:443) tls [ 185.725261][ C3] ? __pfx_sk_psock_get (./include/linux/skmsg.h:443) tls [ 185.725476][ C3] ? is_bpf_text_address (kernel/bpf/core.c:772) [ 185.725683][ C3] bpf_exec_tx_verdict (net/tls/tls_sw.c:859) tls [ 185.725896][ C3] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83) [ 185.726400][ C3] ? __pfx_bpf_exec_tx_verdict (net/tls/tls_sw.c:845) tls [ 185.726679][ C3] ? __pfx_tls_sw_sendmsg_splice (net/tls/tls_sw.c:977) tls [ 185.726943][ C3] ? sk_msg_alloc (./arch/x86/include/asm/atomic.h:53 ./include/linux/atomic/atomic-arch-fallback.h:992 ./include/linux/atomic/atomic-instrumented.h:436 ./include/linux/page_ref.h:158 ./include/linux/page_ref.h:165 ./include/linux/mm.h:1473 ./include/linux/mm.h:1478 net/core/skmsg.c:69) [ 185.727152][ C3] ? tls_get_rec (./include/linux/scatterlist.h:189 net/tls/tls_sw.c:380) tls [ 185.727484][ C3] tls_sw_sendmsg_locked.constprop.0 (net/tls/tls_sw.c:1169) tls [ 185.727750][ C3] ? __lock_release (kernel/locking/lockdep.c:5430) [ 185.727956][ C3] ? tls_sw_sendmsg (net/tls/tls_sw.c:1240) tls [ 185.728174][ C3] ? __pfx_tls_sw_sendmsg_locked.constprop.0 (net/tls/tls_sw.c:1005) tls [ 185.728610][ C3] ? 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) [ 185.728815][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 185.728975][ C3] tls_sw_sendmsg (net/tls/tls_sw.c:1241) tls [ 185.729189][ C3] sock_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:768) [ 185.729513][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 185.729719][ C3] ? __pfx_sock_sendmsg (net/socket.c:757) [ 185.729923][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 185.730081][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 185.730411][ C3] splice_to_socket (fs/splice.c:889) [ 185.730621][ C3] ? __pfx_splice_to_socket (fs/splice.c:801) [ 185.730827][ C3] ? __pfx_timestamp_truncate (fs/inode.c:2464) [ 185.731037][ C3] ? atime_needs_update (fs/inode.c:2500 fs/inode.c:1958) [ 185.731361][ C3] ? shmem_get_folio_gfp (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/page-flags.h:752 mm/shmem.c:2017) [ 185.731574][ C3] direct_splice_actor (fs/splice.c:941 fs/splice.c:1164) [ 185.731779][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 185.731988][ C3] splice_direct_to_actor (fs/splice.c:1108) [ 185.732193][ C3] ? __pfx_direct_splice_actor (fs/splice.c:1159) [ 185.732519][ C3] ? __pfx_splice_direct_to_actor (fs/splice.c:1032) [ 185.732774][ C3] do_splice_direct (fs/splice.c:1208 fs/splice.c:1233) [ 185.732978][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 185.733185][ C3] ? __pfx_do_splice_direct (fs/splice.c:1232) [ 185.733507][ C3] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:109 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:129) [ 185.733717][ C3] ? __pfx_direct_file_splice_eof (fs/splice.c:1178) [ 185.733973][ C3] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 185.734182][ C3] do_sendfile (fs/read_write.c:1295) [ 185.734513][ C3] ? __pfx_do_sendfile (fs/read_write.c:1224) [ 185.734718][ C3] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:109 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:929) [ 185.734924][ C3] __x64_sys_sendfile64 (fs/read_write.c:1362 fs/read_write.c:1348 fs/read_write.c:1348) [ 185.735130][ C3] ? __pfx___x64_sys_sendfile64 (fs/read_write.c:1348) [ 185.735455][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 185.735665][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 185.735921][ C3] RIP: 0033:0x7ff4ca841c0e [ 185.736142][ C3] Code: 48 8b 0d f5 a1 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 28 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c2 a1 1b 00 f7 d8 64 89 01 48 All code ======== 0: 48 8b 0d f5 a1 1b 00 mov 0x1ba1f5(%rip),%rcx # 0x1ba1fc 7: f7 d8 neg %eax 9: 64 89 01 mov %eax,%fs:(%rcx) c: 48 83 c8 ff or $0xffffffffffffffff,%rax 10: c3 ret 11: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 18: 00 00 00 1b: 90 nop 1c: f3 0f 1e fa endbr64 20: 49 89 ca mov %rcx,%r10 23: b8 28 00 00 00 mov $0x28,%eax 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d c2 a1 1b 00 mov 0x1ba1c2(%rip),%rcx # 0x1ba1fc 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d c2 a1 1b 00 mov 0x1ba1c2(%rip),%rcx # 0x1ba1d2 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 185.736974][ C3] RSP: 002b:00007ffe3d72b728 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 185.737405][ C3] RAX: ffffffffffffffda RBX: 00000000000668a0 RCX: 00007ff4ca841c0e [ 185.737715][ C3] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005 [ 185.738022][ C3] RBP: 00007ffe3d73c140 R08: 0000000000000000 R09: 0000000000000000 [ 185.738447][ C3] R10: 000000000000ea60 R11: 0000000000000246 R12: 0000000000422ac0 Finger prints: dump_stack_lvl:check_noncircular:check_prev_add:validate_chain