syzkaller syzkaller login: [ 15.302524][ T30] kauditd_printk_skb: 31 callbacks suppressed [ 15.302540][ T30] audit: type=1400 audit(1782718024.761:59): avc: denied { transition } for pid=223 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.313980][ T30] audit: type=1400 audit(1782718024.761:60): avc: denied { noatsecure } for pid=223 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.321834][ T30] audit: type=1400 audit(1782718024.771:61): avc: denied { write } for pid=223 comm="sh" path="pipe:[13951]" dev="pipefs" ino=13951 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 15.342929][ T30] audit: type=1400 audit(1782718024.771:62): avc: denied { rlimitinh } for pid=223 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.361577][ T30] audit: type=1400 audit(1782718024.771:63): avc: denied { siginh } for pid=223 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.16' (ED25519) to the list of known hosts. 2026/06/29 07:27:14 parsed 1 programs 2026/06/29 07:27:14 serving rpc on tcp://44435 [ 25.272701][ T30] audit: type=1400 audit(1782718034.731:64): avc: denied { node_bind } for pid=293 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 25.293796][ T30] audit: type=1400 audit(1782718034.731:65): avc: denied { module_request } for pid=293 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 26.315282][ T30] audit: type=1400 audit(1782718035.781:66): avc: denied { mounton } for pid=299 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 26.319645][ T299] cgroup: Unknown subsys name 'net' [ 26.339056][ T30] audit: type=1400 audit(1782718035.781:67): avc: denied { mount } for pid=299 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 26.366142][ T30] audit: type=1400 audit(1782718035.811:68): avc: denied { unmount } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 26.366620][ T299] cgroup: Unknown subsys name 'devices' [ 26.477121][ T299] cgroup: Unknown subsys name 'hugetlb' [ 26.482781][ T299] cgroup: Unknown subsys name 'rlimit' [ 26.630599][ T30] audit: type=1400 audit(1782718036.091:69): avc: denied { setattr } for pid=299 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 26.653939][ T30] audit: type=1400 audit(1782718036.091:70): avc: denied { create } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.674616][ T30] audit: type=1400 audit(1782718036.091:71): avc: denied { write } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.695076][ T30] audit: type=1400 audit(1782718036.091:72): avc: denied { read } for pid=299 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.713306][ T304] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 26.715404][ T30] audit: type=1400 audit(1782718036.101:73): avc: denied { mounton } for pid=299 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 26.766580][ T299] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 27.213029][ T306] request_module fs-gadgetfs succeeded, but still no fs? [ 27.385335][ T311] syz-executor (311) used greatest stack depth: 22176 bytes left [ 27.640855][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.648105][ T341] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.655713][ T341] device bridge_slave_0 entered promiscuous mode [ 27.662693][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.669811][ T341] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.677451][ T341] device bridge_slave_1 entered promiscuous mode [ 27.722690][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.729775][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.737157][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.744290][ T341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.767139][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.775783][ T315] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.783019][ T315] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.798591][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.807041][ T315] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.814266][ T315] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.822164][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.830546][ T315] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.837619][ T315] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.846308][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.855894][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.869752][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.881344][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.889619][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.897498][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.906081][ T341] device veth0_vlan entered promiscuous mode [ 27.917288][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.926960][ T341] device veth1_macvtap entered promiscuous mode [ 27.936669][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.946832][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 27.987680][ T341] syz-executor (341) used greatest stack depth: 22056 bytes left 2026/06/29 07:27:17 executed programs: 0 [ 28.543012][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.550151][ T369] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.557843][ T369] device bridge_slave_0 entered promiscuous mode [ 28.564836][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.572005][ T369] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.579534][ T369] device bridge_slave_1 entered promiscuous mode [ 28.639047][ T369] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.646260][ T369] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.653664][ T369] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.660788][ T369] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.684387][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.692144][ T315] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.699482][ T315] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.708953][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.717246][ T315] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.724287][ T315] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.734827][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.743168][ T315] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.750274][ T315] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.762849][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.773480][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.789884][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.801771][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 28.809982][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 28.817436][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 28.825997][ T369] device veth0_vlan entered promiscuous mode [ 28.837747][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.846970][ T369] device veth1_macvtap entered promiscuous mode [ 28.856420][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 28.866626][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 28.892009][ T373] ================================================================== [ 28.900121][ T373] BUG: KASAN: use-after-free in pppol2tp_sock_to_session+0x1a0/0x1b0 [ 28.908214][ T373] Read of size 4 at addr ffff8881218bd000 by task syz.2.17/373 [ 28.915765][ T373] [ 28.918105][ T373] CPU: 0 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0 [ 28.925223][ T373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 28.935485][ T373] Call Trace: [ 28.938798][ T373] [ 28.941745][ T373] __dump_stack+0x21/0x30 [ 28.946086][ T373] dump_stack_lvl+0x110/0x170 [ 28.950762][ T373] ? show_regs_print_info+0x20/0x20 [ 28.955963][ T373] ? load_image+0x3f0/0x3f0 [ 28.960504][ T373] ? __local_bh_enable_ip+0x58/0x80 [ 28.965816][ T373] print_address_description+0x7f/0x2c0 [ 28.971381][ T373] ? pppol2tp_sock_to_session+0x1a0/0x1b0 [ 28.977106][ T373] kasan_report+0x10f/0x150 [ 28.981632][ T373] ? pppol2tp_sock_to_session+0x1a0/0x1b0 [ 28.987359][ T373] __asan_report_load4_noabort+0x14/0x20 [ 28.993019][ T373] pppol2tp_sock_to_session+0x1a0/0x1b0 [ 28.998582][ T373] pppol2tp_release+0x150/0x2b0 [ 29.003608][ T373] sock_close+0xb8/0x200 [ 29.007937][ T373] ? sock_mmap+0xa0/0xa0 [ 29.012182][ T373] __fput+0x22b/0x900 [ 29.016189][ T373] ____fput+0x15/0x20 [ 29.020170][ T373] task_work_run+0x127/0x190 [ 29.024845][ T373] exit_to_user_mode_loop+0xd0/0xe0 [ 29.030039][ T373] exit_to_user_mode_prepare+0x87/0xd0 [ 29.035607][ T373] syscall_exit_to_user_mode+0x1a/0x30 [ 29.041081][ T373] do_syscall_64+0x58/0xa0 [ 29.045503][ T373] ? clear_bhb_loop+0x50/0xa0 [ 29.050181][ T373] ? clear_bhb_loop+0x50/0xa0 [ 29.054853][ T373] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 29.060742][ T373] RIP: 0033:0x7f9fcac88e59 [ 29.065165][ T373] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 29.084785][ T373] RSP: 002b:00007ffc3d948ba8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 29.093199][ T373] RAX: 0000000000000000 RBX: 00007ffc3d948c90 RCX: 00007f9fcac88e59 [ 29.101176][ T373] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 29.109172][ T373] RBP: 00000000000070b7 R08: 0000000000000001 R09: 0000000000000000 [ 29.117148][ T373] R10: 0000001b33020000 R11: 0000000000000246 R12: 0000000000000000 [ 29.125123][ T373] R13: 00007f9fcaf01fac R14: 00007f9fcaf01fa8 R15: 00007f9fcaf01fa0 [ 29.133109][ T373] [ 29.136125][ T373] [ 29.138446][ T373] Allocated by task 373: [ 29.142699][ T373] __kasan_kmalloc+0xd4/0x100 [ 29.147402][ T373] __kmalloc+0x13d/0x2c0 [ 29.151650][ T373] l2tp_session_create+0x39/0xb60 [ 29.156691][ T373] pppol2tp_connect+0xbf5/0x1640 [ 29.161627][ T373] __sys_connect+0x3cb/0x450 [ 29.166214][ T373] __x64_sys_connect+0x7a/0x90 [ 29.170983][ T373] x64_sys_call+0x7c/0x9a0 [ 29.175488][ T373] do_syscall_64+0x4c/0xa0 [ 29.179903][ T373] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 29.185825][ T373] [ 29.188165][ T373] Freed by task 8: [ 29.191873][ T373] kasan_set_track+0x4a/0x70 [ 29.196460][ T373] kasan_set_free_info+0x23/0x40 [ 29.201397][ T373] ____kasan_slab_free+0x125/0x160 [ 29.206502][ T373] __kasan_slab_free+0x11/0x20 [ 29.211437][ T373] slab_free_freelist_hook+0xc2/0x190 [ 29.216834][ T373] kfree+0xc4/0x270 [ 29.220753][ T373] l2tp_session_put+0xaf/0x1a0 [ 29.225537][ T373] l2tp_session_delete+0x3a9/0x4a0 [ 29.230793][ T373] l2tp_tunnel_del_work+0x180/0x3d0 [ 29.236052][ T373] process_one_work+0x6c8/0xbb0 [ 29.240921][ T373] worker_thread+0xaa0/0x1250 [ 29.245638][ T373] kthread+0x3f5/0x4f0 [ 29.249714][ T373] ret_from_fork+0x1f/0x30 [ 29.254141][ T373] [ 29.256470][ T373] The buggy address belongs to the object at ffff8881218bd000 [ 29.256470][ T373] which belongs to the cache kmalloc-512 of size 512 [ 29.270528][ T373] The buggy address is located 0 bytes inside of [ 29.270528][ T373] 512-byte region [ffff8881218bd000, ffff8881218bd200) [ 29.283726][ T373] The buggy address belongs to the page: [ 29.289364][ T373] page:ffffea0004862f00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1218bc [ 29.299610][ T373] head:ffffea0004862f00 order:2 compound_mapcount:0 compound_pincount:0 [ 29.307934][ T373] flags: 0x4000000000010200(slab|head|zone=1) [ 29.314010][ T373] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00 [ 29.322593][ T373] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 29.331173][ T373] page dumped because: kasan: bad access detected [ 29.337591][ T373] page_owner tracks the page as allocated [ 29.343314][ T373] page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 369, ts 28878372138, free_ts 26615748817 [ 29.364332][ T373] post_alloc_hook+0x192/0x1b0 [ 29.369103][ T373] prep_new_page+0x1c/0x110 [ 29.373631][ T373] get_page_from_freelist+0x2c3a/0x2cd0 [ 29.379179][ T373] __alloc_pages+0x1a2/0x460 [ 29.383768][ T373] new_slab+0xa0/0x4d0 [ 29.387834][ T373] ___slab_alloc+0x3ac/0x840 [ 29.392445][ T373] __slab_alloc+0x49/0x90 [ 29.396791][ T373] __kmalloc_track_caller+0x169/0x2c0 [ 29.402173][ T373] __alloc_skb+0x210/0x730 [ 29.406602][ T373] netlink_sendmsg+0x611/0xb80 [ 29.411374][ T373] __sys_sendto+0x46d/0x620 [ 29.415890][ T373] __x64_sys_sendto+0xe5/0x100 [ 29.420660][ T373] x64_sys_call+0x178/0x9a0 [ 29.425172][ T373] do_syscall_64+0x4c/0xa0 [ 29.429599][ T373] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 29.435511][ T373] page last free stack trace: [ 29.440185][ T373] free_unref_page_prepare+0x5fa/0x600 [ 29.445661][ T373] free_unref_page+0xae/0x540 [ 29.450349][ T373] __free_pages+0x6c/0x100 [ 29.454780][ T373] __vunmap+0x801/0x980 [ 29.458945][ T373] vfree+0x8b/0xc0 [ 29.462677][ T373] kcov_mmap+0x8f/0x130 [ 29.466845][ T373] mmap_file+0x60/0xb0 [ 29.470931][ T373] mmap_region+0xe42/0x1700 [ 29.475449][ T373] do_mmap+0x812/0xf10 [ 29.479528][ T373] vm_mmap_pgoff+0x1d6/0x410 [ 29.484126][ T373] ksys_mmap_pgoff+0x161/0x1d0 [ 29.488901][ T373] __x64_sys_mmap+0xfa/0x110 [ 29.493510][ T373] x64_sys_call+0x83/0x9a0 [ 29.498066][ T373] do_syscall_64+0x4c/0xa0 [ 29.502543][ T373] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 29.508460][ T373] [ 29.510791][ T373] Memory state around the buggy address: [ 29.516434][ T373] ffff8881218bcf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.524505][ T373] ffff8881218bcf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.532577][ T373] >ffff8881218bd000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.540666][ T373] ^ [ 29.544739][ T373] ffff8881218bd080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.552805][ T373] ffff8881218bd100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 29.560880][ T373] ================================================================== [ 29.568947][ T373] Disabling lock debugging due to kernel taint [ 29.577233][ T373] ------------[ cut here ]------------ [ 29.582749][ T373] WARNING: CPU: 1 PID: 373 at net/l2tp/l2tp_ppp.c:156 pppol2tp_sock_to_session+0x167/0x1b0 [ 29.592874][ T373] Modules linked in: [ 29.597047][ T373] CPU: 1 PID: 373 Comm: syz.2.17 Tainted: G B syzkaller #0 [ 29.605846][ T373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 29.616470][ T373] RIP: 0010:pppol2tp_sock_to_session+0x167/0x1b0 [ 29.622866][ T373] Code: 5d c3 e8 cc f2 0b fd be 02 00 00 00 eb 0a e8 c0 f2 0b fd be 01 00 00 00 4c 89 f7 e8 13 62 f2 fd e9 0f ff ff ff e8 a9 f2 0b fd <0f> 0b 48 89 df e8 ef 00 00 00 eb bd e8 98 f2 0b fd 4c 89 f7 be 03 [ 29.642724][ T373] RSP: 0018:ffffc90000b37d10 EFLAGS: 00010293 [ 29.649229][ T373] RAX: ffffffff845db907 RBX: ffff888111644000 RCX: ffff88810dcd0000 [ 29.657422][ T373] RDX: 0000000000000000 RSI: 000000000c9f97c0 RDI: 000000000c04eb7d [ 29.665618][ T373] RBP: ffffc90000b37d30 R08: 0000000000000003 R09: 0000000000000004 [ 29.673698][ T373] R10: dffffc0000000000 R11: fffffbfff0e18c4c R12: dffffc0000000000 [ 29.681762][ T373] R13: dffffc0000000000 R14: 000000000c9f97c0 R15: ffff8881218bd000 [ 29.689842][ T373] FS: 0000555567bd7500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 29.698886][ T373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.705950][ T373] CR2: 0000000000000000 CR3: 000000012e11b000 CR4: 00000000003506b0 [ 29.713963][ T373] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.722152][ T373] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.730213][ T373] Call Trace: [ 29.733530][ T373] [ 29.736506][ T373] pppol2tp_release+0x150/0x2b0 [ 29.741386][ T373] sock_close+0xb8/0x200 [ 29.745776][ T373] ? sock_mmap+0xa0/0xa0 [ 29.750052][ T373] __fput+0x22b/0x900 [ 29.754094][ T373] ____fput+0x15/0x20 [ 29.758165][ T373] task_work_run+0x127/0x190 [ 29.762778][ T373] exit_to_user_mode_loop+0xd0/0xe0 [ 29.768164][ T373] exit_to_user_mode_prepare+0x87/0xd0 [ 29.773695][ T373] syscall_exit_to_user_mode+0x1a/0x30 [ 29.779269][ T373] do_syscall_64+0x58/0xa0 [ 29.783744][ T373] ? clear_bhb_loop+0x50/0xa0 [ 29.788910][ T373] ? clear_bhb_loop+0x50/0xa0 [ 29.795023][ T373] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 29.800966][ T373] RIP: 0033:0x7f9fcac88e59 [ 29.805470][ T373] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 29.825632][ T373] RSP: 002b:00007ffc3d948ba8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 29.834090][ T373] RAX: 0000000000000000 RBX: 00007ffc3d948c90 RCX: 00007f9fcac88e59 [ 29.842117][ T373] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 29.850179][ T373] RBP: 00000000000070b7 R08: 0000000000000001 R09: 0000000000000000 [ 29.858231][ T373] R10: 0000001b33020000 R11: 0000000000000246 R12: 0000000000000000 [ 29.866741][ T373] R13: 00007f9fcaf01fac R14: 00007f9fcaf01fa8 R15: 00007f9fcaf01fa0 [ 29.874758][ T373] [ 29.877864][ T373] ---[ end trace 433422ed8632ea93 ]---