====================================== | [ 131.492722][ T833] ================================================================== | [ 131.492958][ T833] BUG: KASAN: slab-use-after-free in neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) | [ 131.493174][ T833] Write of size 8 at addr ffff8880053e5818 by task ip/833 | [ 131.493345][ T833] [ 131.493633][ T833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 131.493960][ T833] Call Trace: [ 131.494073][ T833] [ 131.494150][ T833] dump_stack_lvl (lib/dump_stack.c:123) [ 131.494298][ T833] print_address_description.constprop.0 (mm/kasan/report.c:378) [ 131.494473][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) [ 131.494613][ T833] print_report (mm/kasan/report.c:489) [ 131.494753][ T833] ? kasan_addr_to_slab (./include/linux/mm.h:1282 mm/kasan/../slab.h:206 mm/kasan/common.c:38) [ 131.494900][ T833] kasan_report (mm/kasan/report.c:603) [ 131.495004][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) [ 131.495158][ T833] neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) [ 131.495295][ T833] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 131.495439][ T833] __neigh_ifdown.isra.0 (net/core/neighbour.c:826 net/core/neighbour.c:426) [ 131.495574][ T833] ? blocking_notifier_call_chain (kernel/notifier.c:388 kernel/notifier.c:376) [ 131.495752][ T833] neigh_ifdown (net/core/neighbour.c:445) [ 131.495861][ T833] fib_inetaddr_event (net/ipv4/fib_frontend.c:1431 net/ipv4/fib_frontend.c:1455) [ 131.496005][ T833] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 131.496141][ T833] blocking_notifier_call_chain (kernel/notifier.c:389 kernel/notifier.c:376) [ 131.496285][ T833] __inet_del_ifa (net/ipv4/devinet.c:488) [ 131.496425][ T833] inet_rtm_deladdr (net/ipv4/devinet.c:706) [ 131.496568][ T833] ? __pfx_inet_rtm_deladdr (net/ipv4/devinet.c:665) [ 131.496709][ T833] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) [ 131.496851][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) [ 131.496992][ T833] ? 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) [ 131.497131][ T833] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 131.497238][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 131.497381][ T833] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 131.497520][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) [ 131.497656][ T833] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 131.497798][ T833] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 131.497933][ T833] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 131.498071][ T833] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 131.498214][ T833] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 131.498350][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 131.498491][ T833] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 131.498629][ T833] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 131.498765][ T833] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) [ 131.498903][ T833] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) [ 131.499050][ T833] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [ 131.499187][ T833] ? __pfx_____sys_sendmsg (net/socket.c:2553) [ 131.499321][ T833] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) [ 131.499492][ T833] ___sys_sendmsg (net/socket.c:2663) [ 131.499634][ T833] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 131.499778][ T833] ? __pfx____sys_sendmsg (net/socket.c:2650) [ 131.499914][ T833] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 131.500051][ T833] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4609) [ 131.500223][ T833] ? kasan_save_stack (mm/kasan/common.c:49) [ 131.500358][ T833] ? kasan_save_stack (mm/kasan/common.c:48) [ 131.500491][ T833] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) [ 131.500628][ T833] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:123 kernel/rcu/tree.c:3087) [ 131.500816][ T833] ? __x64_sys_close (fs/open.c:1568 fs/open.c:1550 fs/open.c:1550) [ 131.500952][ T833] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 131.501092][ T833] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 131.501264][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 131.501403][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 131.501541][ T833] ? __lock_release (kernel/locking/lockdep.c:5501) [ 131.501679][ T833] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) [ 131.501785][ T833] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) [ 131.501924][ T833] ? __pfx___sys_sendmsg (net/socket.c:2678) [ 131.502070][ T833] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2053 arch/x86/mm/physaddr.c:65) [ 131.502216][ T833] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 131.502352][ T833] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 131.502524][ T833] RIP: 0033:0x7ff5182227b7 [ 131.502668][ T833] 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) [ 131.503156][ T833] RSP: 002b:00007ffdff290228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 131.503366][ T833] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5182227b7 [ 131.503576][ T833] RDX: 0000000000000000 RSI: 00007ffdff290290 RDI: 0000000000000005 [ 131.503786][ T833] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000078 [ 131.503999][ T833] R10: 00007ff5180e0ef8 R11: 0000000000000246 R12: 00007ffdff2909e0 [ 131.504208][ T833] R13: 00000000671676e4 R14: 0000000000496600 R15: 00007ffdff2909e8 | [ 131.508174][ T833] ------------[ cut here ]------------ | [ 131.508320][ T833] pool index 93034 out of bounds (683) for stack id 6b6b6b6b | [ 131.508572][ T833] WARNING: CPU: 3 PID: 833 at lib/stackdepot.c:451 depot_fetch_stack (lib/stackdepot.c:451 (discriminator 1)) | [ 131.508832][ T833] Modules linked in: cls_flower act_mirred ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress bridge stp llc 8021q vrf veth [ 131.509484][ T833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 131.509816][ T833] RIP: 0010:depot_fetch_stack (lib/stackdepot.c:451 (discriminator 1)) [ 131.509968][ T833] Code: b8 11 6d b2 e8 cb c0 9a 01 83 f8 01 75 b8 90 0f 0b 90 eb b2 90 48 c7 c7 28 47 e0 b1 44 89 e1 44 89 ea 89 ee e8 7b f2 0d ff 90 <0f> 0b 90 90 31 c0 eb bb 90 0f 0b 90 eb b5 90 0f 0b 90 31 c0 eb ad All code ======== 0: b8 11 6d b2 e8 mov $0xe8b26d11,%eax 5: cb lret 6: c0 9a 01 83 f8 01 75 rcrb $0x75,0x1f88301(%rdx) d: b8 90 0f 0b 90 mov $0x900b0f90,%eax 12: eb b2 jmp 0xffffffffffffffc6 14: 90 nop 15: 48 c7 c7 28 47 e0 b1 mov $0xffffffffb1e04728,%rdi 1c: 44 89 e1 mov %r12d,%ecx 1f: 44 89 ea mov %r13d,%edx 22: 89 ee mov %ebp,%esi 24: e8 7b f2 0d ff call 0xffffffffff0df2a4 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 31 c0 xor %eax,%eax 30: eb bb jmp 0xffffffffffffffed 32: 90 nop 33: 0f 0b ud2 35: 90 nop 36: eb b5 jmp 0xffffffffffffffed 38: 90 nop 39: 0f 0b ud2 3b: 90 nop 3c: 31 c0 xor %eax,%eax 3e: eb ad jmp 0xffffffffffffffed Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 31 c0 xor %eax,%eax 6: eb bb jmp 0xffffffffffffffc3 8: 90 nop 9: 0f 0b ud2 b: 90 nop c: eb b5 jmp 0xffffffffffffffc3 e: 90 nop f: 0f 0b ud2 11: 90 nop 12: 31 c0 xor %eax,%eax 14: eb ad jmp 0xffffffffffffffc3 [ 131.510493][ T833] RSP: 0018:ffffc90000b4f200 EFLAGS: 00010086 [ 131.510687][ T833] RAX: 0000000000000000 RBX: 0000000000001b50 RCX: 1ffffffff643b43c [ 131.510908][ T833] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 131.511137][ T833] RBP: 0000000000016b6a R08: 0000000000000000 R09: fffffbfff643b43c [ 131.511352][ T833] R10: 0000000000000003 R11: 205d333338542020 R12: 000000006b6b6b6b [ 131.511569][ T833] R13: 00000000000002ab R14: 0000000000000008 R15: ffff88800619a300 [ 131.511788][ T833] FS: 00007ff518016800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000 [ 131.512051][ T833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 131.512240][ T833] CR2: 00000000004e2aa0 CR3: 000000000284e004 CR4: 0000000000772ef0 [ 131.512461][ T833] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 131.512677][ T833] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 131.512895][ T833] PKRU: 55555554 [ 131.513011][ T833] Call Trace: [ 131.513130][ T833] [ 131.513205][ T833] ? depot_fetch_stack (lib/stackdepot.c:451 (discriminator 1)) [ 131.513351][ T833] ? __warn (kernel/panic.c:748) [ 131.513462][ T833] ? depot_fetch_stack (lib/stackdepot.c:451 (discriminator 1)) [ 131.513699][ T833] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 131.513848][ T833] ? handle_bug (arch/x86/kernel/traps.c:285) [ 131.513965][ T833] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 131.514112][ T833] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 131.514262][ T833] ? depot_fetch_stack (lib/stackdepot.c:451 (discriminator 1)) [ 131.514498][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) [ 131.514644][ T833] stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) [ 131.514798][ T833] stack_depot_print (lib/stackdepot.c:745) [ 131.514943][ T833] print_address_description.constprop.0 (mm/kasan/report.c:343 mm/kasan/report.c:352 mm/kasan/report.c:381) [ 131.515224][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) [ 131.515370][ T833] print_report (mm/kasan/report.c:489) [ 131.515514][ T833] ? kasan_addr_to_slab (./include/linux/mm.h:1282 mm/kasan/../slab.h:206 mm/kasan/common.c:38) [ 131.515661][ T833] kasan_report (mm/kasan/report.c:603) [ 131.515864][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) [ 131.516009][ T833] neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) [ 131.516153][ T833] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 131.516299][ T833] __neigh_ifdown.isra.0 (net/core/neighbour.c:826 net/core/neighbour.c:426) [ 131.516442][ T833] ? blocking_notifier_call_chain (kernel/notifier.c:388 kernel/notifier.c:376) [ 131.516725][ T833] neigh_ifdown (net/core/neighbour.c:445) [ 131.516833][ T833] fib_inetaddr_event (net/ipv4/fib_frontend.c:1431 net/ipv4/fib_frontend.c:1455) [ 131.516981][ T833] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 131.517130][ T833] blocking_notifier_call_chain (kernel/notifier.c:389 kernel/notifier.c:376) [ 131.517280][ T833] __inet_del_ifa (net/ipv4/devinet.c:488) [ 131.517427][ T833] inet_rtm_deladdr (net/ipv4/devinet.c:706) [ 131.517571][ T833] ? __pfx_inet_rtm_deladdr (net/ipv4/devinet.c:665) [ 131.517719][ T833] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) [ 131.517866][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) [ 131.518008][ T833] ? 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) [ 131.518153][ T833] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 131.518272][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 131.518422][ T833] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 131.518756][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) [ 131.518899][ T833] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 131.519054][ T833] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 131.519199][ T833] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 131.519344][ T833] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 131.519491][ T833] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 131.519640][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 131.519792][ T833] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 131.519939][ T833] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 131.520087][ T833] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) [ 131.520232][ T833] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) [ 131.520381][ T833] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [ 131.520622][ T833] ? __pfx_____sys_sendmsg (net/socket.c:2553) [ 131.520766][ T833] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) [ 131.520955][ T833] ___sys_sendmsg (net/socket.c:2663) [ 131.521104][ T833] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 131.521253][ T833] ? __pfx____sys_sendmsg (net/socket.c:2650) [ 131.521398][ T833] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 131.521542][ T833] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4609) [ 131.521730][ T833] ? kasan_save_stack (mm/kasan/common.c:49) [ 131.521876][ T833] ? kasan_save_stack (mm/kasan/common.c:48) [ 131.522029][ T833] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) [ 131.522180][ T833] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:123 kernel/rcu/tree.c:3087) [ 131.522376][ T833] ? __x64_sys_close (fs/open.c:1568 fs/open.c:1550 fs/open.c:1550) [ 131.522617][ T833] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 131.522767][ T833] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 131.522955][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 131.523105][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 131.523249][ T833] ? __lock_release (kernel/locking/lockdep.c:5501) [ 131.523392][ T833] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) [ 131.523504][ T833] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) [ 131.523661][ T833] ? __pfx___sys_sendmsg (net/socket.c:2678) [ 131.523806][ T833] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2053 arch/x86/mm/physaddr.c:65) [ 131.523958][ T833] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 131.524103][ T833] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 131.524282][ T833] RIP: 0033:0x7ff5182227b7 [ 131.524437][ T833] 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) [ 131.525061][ T833] RSP: 002b:00007ffdff290228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 131.525292][ T833] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5182227b7 [ 131.525509][ T833] RDX: 0000000000000000 RSI: 00007ffdff290290 RDI: 0000000000000005 [ 131.525725][ T833] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000078 [ 131.525945][ T833] R10: 00007ff5180e0ef8 R11: 0000000000000246 R12: 00007ffdff2909e0 [ 131.526166][ T833] R13: 00000000671676e4 R14: 0000000000496600 R15: 00007ffdff2909e8 | [ 131.528111][ T833] corrupt handle or use after stack_depot_put() | [ 131.528146][ T833] WARNING: CPU: 3 PID: 833 at lib/stackdepot.c:711 stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) | [ 131.528664][ T833] Modules linked in: cls_flower act_mirred ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre sch_ingress bridge stp llc 8021q vrf veth | [ 131.529326][ T833] Tainted: [W]=WARN [ 131.529448][ T833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 131.529773][ T833] RIP: 0010:stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) [ 131.530012][ T833] Code: 74 1a 48 8d 50 20 48 89 13 5b 8b 40 14 5d 41 5c c3 cc cc cc cc 31 c0 c3 cc cc cc cc 90 48 c7 c7 08 48 e0 b1 e8 62 ed 0d ff 90 <0f> 0b 90 90 eb bb 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 All code ======== 0: 74 1a je 0x1c 2: 48 8d 50 20 lea 0x20(%rax),%rdx 6: 48 89 13 mov %rdx,(%rbx) 9: 5b pop %rbx a: 8b 40 14 mov 0x14(%rax),%eax d: 5d pop %rbp e: 41 5c pop %r12 10: c3 ret 11: cc int3 12: cc int3 13: cc int3 14: cc int3 15: 31 c0 xor %eax,%eax 17: c3 ret 18: cc int3 19: cc int3 1a: cc int3 1b: cc int3 1c: 90 nop 1d: 48 c7 c7 08 48 e0 b1 mov $0xffffffffb1e04808,%rdi 24: e8 62 ed 0d ff call 0xffffffffff0ded8b 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: eb bb jmp 0xffffffffffffffeb 30: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) 37: 00 00 00 00 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: eb bb jmp 0xffffffffffffffc1 6: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) d: 00 00 00 00 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 131.530619][ T833] RSP: 0018:ffffc90000b4f228 EFLAGS: 00010086 [ 131.530800][ T833] RAX: 0000000000000000 RBX: ffffc90000b4f248 RCX: 1ffffffff643b43c [ 131.531027][ T833] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 [ 131.531239][ T833] RBP: 000000006b6b6b6b R08: 0000000000000000 R09: fffffbfff643b43c [ 131.531450][ T833] R10: 0000000000000003 R11: 6361747320726574 R12: 0000000000000000 [ 131.531666][ T833] R13: ffffffffb0879707 R14: 0000000000000008 R15: ffff88800619a300 [ 131.531879][ T833] FS: 00007ff518016800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000 [ 131.532136][ T833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 131.532323][ T833] CR2: 00000000004e2aa0 CR3: 000000000284e004 CR4: 0000000000772ef0 [ 131.532641][ T833] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 131.532861][ T833] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 131.533073][ T833] PKRU: 55555554 [ 131.533182][ T833] Call Trace: [ 131.533289][ T833] [ 131.533363][ T833] ? stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) [ 131.533506][ T833] ? __warn (kernel/panic.c:748) [ 131.533624][ T833] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1356) [ 131.533802][ T833] ? stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) [ 131.533953][ T833] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 131.534109][ T833] ? handle_bug (arch/x86/kernel/traps.c:285) [ 131.534219][ T833] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 131.534370][ T833] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 131.534607][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) [ 131.534751][ T833] ? stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) [ 131.534899][ T833] ? stack_depot_fetch (lib/stackdepot.c:711 lib/stackdepot.c:691) [ 131.535043][ T833] stack_depot_print (lib/stackdepot.c:745) [ 131.535198][ T833] print_address_description.constprop.0 (mm/kasan/report.c:343 mm/kasan/report.c:352 mm/kasan/report.c:381) [ 131.535386][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) [ 131.535529][ T833] print_report (mm/kasan/report.c:489) [ 131.535673][ T833] ? kasan_addr_to_slab (./include/linux/mm.h:1282 mm/kasan/../slab.h:206 mm/kasan/common.c:38) [ 131.535818][ T833] kasan_report (mm/kasan/report.c:603) [ 131.535927][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) [ 131.536070][ T833] neigh_flush_dev.isra.0 (./include/linux/list.h:990 ./include/linux/rculist.h:516 net/core/neighbour.c:385) [ 131.536211][ T833] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 131.536356][ T833] __neigh_ifdown.isra.0 (net/core/neighbour.c:826 net/core/neighbour.c:426) [ 131.536603][ T833] ? blocking_notifier_call_chain (kernel/notifier.c:388 kernel/notifier.c:376) [ 131.536786][ T833] neigh_ifdown (net/core/neighbour.c:445) [ 131.536899][ T833] fib_inetaddr_event (net/ipv4/fib_frontend.c:1431 net/ipv4/fib_frontend.c:1455) [ 131.537043][ T833] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 131.537276][ T833] blocking_notifier_call_chain (kernel/notifier.c:389 kernel/notifier.c:376) [ 131.537419][ T833] __inet_del_ifa (net/ipv4/devinet.c:488) [ 131.537563][ T833] inet_rtm_deladdr (net/ipv4/devinet.c:706) [ 131.537707][ T833] ? __pfx_inet_rtm_deladdr (net/ipv4/devinet.c:665) [ 131.537943][ T833] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) [ 131.538096][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) [ 131.538240][ T833] ? 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) [ 131.538384][ T833] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 131.538494][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 131.538732][ T833] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 131.538882][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) [ 131.539024][ T833] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 131.539171][ T833] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 131.539318][ T833] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 131.539461][ T833] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 131.539603][ T833] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 131.539745][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 131.539977][ T833] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 131.540121][ T833] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 131.540263][ T833] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) [ 131.540406][ T833] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) [ 131.540656][ T833] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [ 131.540801][ T833] ? __pfx_____sys_sendmsg (net/socket.c:2553) [ 131.540943][ T833] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) [ 131.541124][ T833] ___sys_sendmsg (net/socket.c:2663) [ 131.541267][ T833] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 131.541412][ T833] ? __pfx____sys_sendmsg (net/socket.c:2650) [ 131.541553][ T833] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 131.541697][ T833] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4609) [ 131.541965][ T833] ? kasan_save_stack (mm/kasan/common.c:49) [ 131.542120][ T833] ? kasan_save_stack (mm/kasan/common.c:48) [ 131.542260][ T833] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) [ 131.542404][ T833] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:123 kernel/rcu/tree.c:3087) [ 131.542668][ T833] ? __x64_sys_close (fs/open.c:1568 fs/open.c:1550 fs/open.c:1550) [ 131.542810][ T833] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 131.542954][ T833] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 131.543129][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 131.543364][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 131.543508][ T833] ? __lock_release (kernel/locking/lockdep.c:5501) [ 131.543651][ T833] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) [ 131.543762][ T833] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) [ 131.543905][ T833] ? __pfx___sys_sendmsg (net/socket.c:2678) [ 131.544139][ T833] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2053 arch/x86/mm/physaddr.c:65) [ 131.544289][ T833] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 131.544432][ T833] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 131.544611][ T833] RIP: 0033:0x7ff5182227b7 [ 131.544850][ T833] 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) [ 131.545389][ T833] RSP: 002b:00007ffdff290228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 131.545700][ T833] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5182227b7 [ 131.545919][ T833] RDX: 0000000000000000 RSI: 00007ffdff290290 RDI: 0000000000000005 [ 131.546135][ T833] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000078 [ 131.546350][ T833] R10: 00007ff5180e0ef8 R11: 0000000000000246 R12: 00007ffdff2909e0 [ 131.546565][ T833] R13: 00000000671676e4 R14: 0000000000496600 R15: 00007ffdff2909e8 | [ 131.554014][ T833] Disabling lock debugging due to kernel taint | [ 131.554284][ T833] Oops: general protection fault, probably for non-canonical address 0xed6d696d6d6d6d6d: 0000 [#1] PREEMPT SMP KASAN NOPTI | [ 131.554690][ T833] KASAN: maybe wild-memory-access in range [0x6b6b6b6b6b6b6b68-0x6b6b6b6b6b6b6b6f] | [ 131.555167][ T833] Tainted: [B]=BAD_PAGE, [W]=WARN [ 131.555380][ T833] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 131.555675][ T833] RIP: 0010:neigh_flush_dev.isra.0 (./include/linux/list.h:988 ./include/linux/rculist.h:516 net/core/neighbour.c:384) [ 131.555845][ T833] Code: 0f 85 ef 04 00 00 49 8d 7f 08 49 8b 1f 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 cc 04 00 00 49 8b 6f 08 48 89 e8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 19 05 00 00 48 89 5d 00 48 85 db 74 1a 48 8d All code ======== 0: 0f 85 ef 04 00 00 jne 0x4f5 6: 49 8d 7f 08 lea 0x8(%r15),%rdi a: 49 8b 1f mov (%r15),%rbx d: 48 89 f8 mov %rdi,%rax 10: 48 c1 e8 03 shr $0x3,%rax 14: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) 19: 0f 85 cc 04 00 00 jne 0x4eb 1f: 49 8b 6f 08 mov 0x8(%r15),%rbp 23: 48 89 e8 mov %rbp,%rax 26: 48 c1 e8 03 shr $0x3,%rax 2a:* 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction 2f: 0f 85 19 05 00 00 jne 0x54e 35: 48 89 5d 00 mov %rbx,0x0(%rbp) 39: 48 85 db test %rbx,%rbx 3c: 74 1a je 0x58 3e: 48 rex.W 3f: 8d .byte 0x8d Code starting with the faulting instruction =========================================== 0: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) 5: 0f 85 19 05 00 00 jne 0x524 b: 48 89 5d 00 mov %rbx,0x0(%rbp) f: 48 85 db test %rbx,%rbx 12: 74 1a je 0x2e 14: 48 rex.W 15: 8d .byte 0x8d [ 131.556396][ T833] RSP: 0018:ffffc90000b4f388 EFLAGS: 00010202 [ 131.556644][ T833] RAX: 0d6d6d6d6d6d6d6d RBX: 6b6b6b6b6b6b6b6b RCX: ffffffffb08796f0 [ 131.556842][ T833] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880053e5808 [ 131.557037][ T833] RBP: 6b6b6b6b6b6b6b6b R08: 0000000000000000 R09: 0000000000000000 [ 131.557233][ T833] R10: ffffffffb2d71f0f R11: ffffc90000b4ef99 R12: ffff8880053e593c [ 131.557434][ T833] R13: dffffc0000000000 R14: ffff888005eb9000 R15: ffff8880053e5800 [ 131.557629][ T833] FS: 00007ff518016800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000 [ 131.557950][ T833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 131.558117][ T833] CR2: 00000000004e2aa0 CR3: 000000000284e004 CR4: 0000000000772ef0 [ 131.558321][ T833] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 131.558600][ T833] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 131.558795][ T833] PKRU: 55555554 [ 131.558897][ T833] Call Trace: [ 131.558997][ T833] [ 131.559066][ T833] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460) [ 131.559177][ T833] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693) [ 131.559310][ T833] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617) [ 131.559443][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:986 ./include/linux/rculist.h:516 net/core/neighbour.c:384) [ 131.559578][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:988 ./include/linux/rculist.h:516 net/core/neighbour.c:384) [ 131.559708][ T833] ? neigh_flush_dev.isra.0 (./include/linux/list.h:986 ./include/linux/rculist.h:516 net/core/neighbour.c:384) [ 131.559838][ T833] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 131.559970][ T833] __neigh_ifdown.isra.0 (net/core/neighbour.c:826 net/core/neighbour.c:426) [ 131.560105][ T833] ? blocking_notifier_call_chain (kernel/notifier.c:388 kernel/notifier.c:376) [ 131.560348][ T833] neigh_ifdown (net/core/neighbour.c:445) [ 131.560447][ T833] fib_inetaddr_event (net/ipv4/fib_frontend.c:1431 net/ipv4/fib_frontend.c:1455) [ 131.560580][ T833] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [ 131.560720][ T833] blocking_notifier_call_chain (kernel/notifier.c:389 kernel/notifier.c:376) [ 131.561002][ T833] __inet_del_ifa (net/ipv4/devinet.c:488) [ 131.561136][ T833] inet_rtm_deladdr (net/ipv4/devinet.c:706) [ 131.561270][ T833] ? __pfx_inet_rtm_deladdr (net/ipv4/devinet.c:665) [ 131.561404][ T833] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) [ 131.561537][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) [ 131.561744][ T833] ? 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) [ 131.561876][ T833] ? mark_lock (kernel/locking/lockdep.c:4703 (discriminator 3)) [ 131.561978][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 131.562109][ T833] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [ 131.562315][ T833] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6615) [ 131.562450][ T833] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) [ 131.562585][ T833] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 131.562717][ T833] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 131.562924][ T833] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [ 131.563058][ T833] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1342) [ 131.563193][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 131.563327][ T833] netlink_sendmsg (net/netlink/af_netlink.c:1901) [ 131.563459][ T833] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1820) [ 131.563683][ T833] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) [ 131.563814][ T833] ? __import_iovec (lib/iov_iter.c:1433 lib/iov_iter.c:1449) [ 131.563948][ T833] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [ 131.564097][ T833] ? __pfx_____sys_sendmsg (net/socket.c:2553) [ 131.564229][ T833] ? __pfx_copy_msghdr_from_user (net/socket.c:2533) [ 131.564400][ T833] ___sys_sendmsg (net/socket.c:2663) [ 131.564530][ T833] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 131.564673][ T833] ? __pfx____sys_sendmsg (net/socket.c:2650) [ 131.564804][ T833] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 131.564936][ T833] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4609) [ 131.565105][ T833] ? kasan_save_stack (mm/kasan/common.c:49) [ 131.565244][ T833] ? kasan_save_stack (mm/kasan/common.c:48) [ 131.565451][ T833] ? __kasan_record_aux_stack (mm/kasan/generic.c:541) [ 131.565589][ T833] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:123 kernel/rcu/tree.c:3087) [ 131.565753][ T833] ? __x64_sys_close (fs/open.c:1568 fs/open.c:1550 fs/open.c:1550) [ 131.565883][ T833] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 131.566093][ T833] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 131.566254][ T833] ? __lock_acquire (kernel/locking/lockdep.c:5202) [ 131.566389][ T833] ? find_held_lock (kernel/locking/lockdep.c:5315) [ 131.566520][ T833] ? __lock_release (kernel/locking/lockdep.c:5501) [ 131.566725][ T833] ? fdget (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1114 fs/file.c:1128) [ 131.566830][ T833] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) [ 131.566963][ T833] ? __pfx___sys_sendmsg (net/socket.c:2678) [ 131.567094][ T833] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2053 arch/x86/mm/physaddr.c:65) [ 131.567307][ T833] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 131.567441][ T833] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 131.567605][ T833] RIP: 0033:0x7ff5182227b7 [ 131.567742][ T833] 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) [ 131.568289][ T833] RSP: 002b:00007ffdff290228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 131.568490][ T833] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5182227b7 [ 131.568781][ T833] RDX: 0000000000000000 RSI: 00007ffdff290290 RDI: 0000000000000005 [ 131.568977][ T833] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000078 [ 131.569178][ T833] R10: 00007ff5180e0ef8 R11: 0000000000000246 R12: 00007ffdff2909e0 Finger prints: stack_depot_fetch:stack_depot_print:print_report:kasan_report:neigh_ifdown neigh_ifdown:fib_inetaddr_event:notifier_call_chain:blocking_notifier_call_chain:__inet_del_ifa print_report:kasan_report:neigh_ifdown:fib_inetaddr_event:notifier_call_chain depot_fetch_stack:stack_depot_fetch:stack_depot_print:print_report:kasan_report