[....] Starting enhanced syslogd: rsyslogd[ 10.459659] audit: type=1400 audit(1515652326.246:4): avc: denied { syslog } for pid=3175 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.20' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 19.881551] kasan: CONFIG_KASAN_INLINE enabled [ 19.882634] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 19.883870] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 19.884230] kasan: CONFIG_KASAN_INLINE enabled [ 19.884231] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 19.886355] Dumping ftrace buffer: [ 19.886845] (ftrace buffer empty) [ 19.887341] Modules linked in: [ 19.887842] CPU: 0 PID: 3332 Comm: syzkaller566283 Not tainted 4.9.76-g9154940 #20 [ 19.888852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.890103] task: ffff8801ca4ee000 task.stack: ffff8801c8ea8000 [ 19.890902] RIP: 0010:[] [] __free_pages+0x21/0x80 [ 19.892012] RSP: 0018:ffff8801c8eaf940 EFLAGS: 00010a07 [ 19.892730] RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff8266640b [ 19.893709] RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c [ 19.894686] RBP: ffff8801c8eaf950 R08: 0000000000000001 R09: 0000000000000001 [ 19.895649] R10: 0000000000000000 R11: ffff8801ca4ee000 R12: 0000000000000004 [ 19.896611] R13: 0000000000000020 R14: ffff8801c8fbc200 R15: dffffc0000000000 [ 19.897601] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:0000000009062840 [ 19.898713] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 19.899507] CR2: 0000000020c34000 CR3: 00000001c0fec000 CR4: 0000000000160670 [ 19.900459] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 19.901411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 19.906546] Stack: [ 19.908659] 0000000000000001 ffff8801c8fbc358 ffff8801c8eaf9b0 ffffffff82666431 [ 19.916613] ffff8801c8fbc370 ffffed00391f786b ffffed00391f786e ffff8801c8fbc368 [ 19.924568] dead4ead00000000 ffff8801c8fbc340 0000000000000000 0000000000000000 [ 19.932514] Call Trace: [ 19.935067] [] sg_remove_scat.isra.19+0x1c1/0x2d0 [ 19.941539] [] sg_finish_rem_req+0x2b5/0x340 [ 19.947571] [] sg_new_read.isra.20+0x356/0x3e0 [ 19.953767] [] ? sg_get_rq_mark+0x171/0x190 [ 19.959701] [] sg_read+0x8bd/0x1440 [ 19.964943] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 19.971573] [] ? fsnotify+0xf30/0xf30 [ 19.976990] [] ? avc_policy_seqno+0x9/0x20 [ 19.982842] [] do_loop_readv_writev.part.17+0x141/0x1e0 [ 19.989833] [] ? security_file_permission+0x89/0x1e0 [ 19.996550] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 20.003194] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 20.009827] [] compat_do_readv_writev+0x522/0x760 [ 20.016282] [] ? do_pwritev+0x1a0/0x1a0 [ 20.021872] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.027810] [] compat_readv+0xe3/0x150 [ 20.033333] [] do_compat_readv+0xf4/0x1d0 [ 20.039099] [] ? compat_readv+0x150/0x150 [ 20.044863] [] compat_SyS_readv+0x26/0x30 [ 20.050626] [] ? SyS_pwritev2+0x80/0x80 [ 20.056214] [] do_fast_syscall_32+0x2f7/0x890 [ 20.062343] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.068975] [] entry_SYSENTER_compat+0x74/0x83 [ 20.075167] Code: e9 27 fc ff ff 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 3d [ 20.101502] RIP [] __free_pages+0x21/0x80 [ 20.107378] RSP [ 20.110981] general protection fault: 0000 [#2] PREEMPT SMP KASAN [ 20.113208] kasan: CONFIG_KASAN_INLINE enabled [ 20.113210] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 20.129089] Dumping ftrace buffer: [ 20.132596] (ftrace buffer empty) [ 20.136272] Modules linked in: [ 20.139545] CPU: 1 PID: 3331 Comm: syzkaller566283 Tainted: G D 4.9.76-g9154940 #20 [ 20.148429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.157751] task: ffff8801ca4eb000 task.stack: ffff8801c8eb0000 [ 20.163771] RIP: 0010:[] [] __free_pages+0x21/0x80 [ 20.172009] RSP: 0018:ffff8801c8eb7940 EFLAGS: 00010a07 [ 20.177422] RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff8266640b [ 20.184655] RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c [ 20.191891] RBP: ffff8801c8eb7950 R08: 0000000000000001 R09: 0000000000000000 [ 20.199126] R10: 0000000000000000 R11: ffff8801ca4eb000 R12: 0000000000000004 [ 20.206363] R13: 0000000000000020 R14: ffff8801c8f6c200 R15: dffffc0000000000 [ 20.213600] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:0000000009062840 [ 20.221790] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 20.227644] CR2: 0000000020c34000 CR3: 00000001c972e000 CR4: 0000000000160670 [ 20.234889] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.242125] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.249360] Stack: [ 20.251475] 0000000000000001 ffff8801c8f6c358 ffff8801c8eb79b0 ffffffff82666431 [ 20.259422] ffff8801c8f6c370 ffffed00391ed86b ffffed00391ed86e ffff8801c8f6c368 [ 20.267399] dead4ead00000000 ffff8801c8f6c340 0000000000000000 0000000000000000 [ 20.275346] Call Trace: [ 20.277903] [] sg_remove_scat.isra.19+0x1c1/0x2d0 [ 20.284359] [] sg_finish_rem_req+0x2b5/0x340 [ 20.290382] [] sg_new_read.isra.20+0x356/0x3e0 [ 20.296578] [] ? sg_get_rq_mark+0xcb/0x190 [ 20.302437] [] sg_read+0x8bd/0x1440 [ 20.307679] [] ? kasan_unpoison_shadow+0x35/0x50 [ 20.314049] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 20.320680] [] ? fsnotify+0xf30/0xf30 [ 20.326104] [] ? avc_policy_seqno+0x9/0x20 [ 20.331952] [] do_loop_readv_writev.part.17+0x141/0x1e0 [ 20.338930] [] ? security_file_permission+0x89/0x1e0 [ 20.345646] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 20.352276] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 20.358906] [] compat_do_readv_writev+0x522/0x760 [ 20.365375] [] ? do_pwritev+0x1a0/0x1a0 [ 20.370964] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.376901] [] ? __lock_is_held+0xa1/0xf0 [ 20.382662] [] compat_readv+0xe3/0x150 [ 20.388162] [] do_compat_readv+0xf4/0x1d0 [ 20.393935] [] ? compat_readv+0x150/0x150 [ 20.399697] [] compat_SyS_readv+0x26/0x30 [ 20.405463] [] ? SyS_pwritev2+0x80/0x80 [ 20.411052] [] do_fast_syscall_32+0x2f7/0x890 [ 20.417160] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.423793] [] entry_SYSENTER_compat+0x74/0x83 executing program executing program [ 20.429985] Code: e9 27 fc ff ff 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 3d [ 20.456339] RIP [] __free_pages+0x21/0x80 [ 20.462222] RSP [ 20.465828] general protection fault: 0000 [#3] PREEMPT SMP KASAN [ 20.472068] Dumping ftrace buffer: [ 20.472665] kasan: CONFIG_KASAN_INLINE enabled [ 20.472666] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 20.487443] (ftrace buffer empty) [ 20.491121] Modules linked in: [ 20.494407] CPU: 0 PID: 3329 Comm: syzkaller566283 Tainted: G D 4.9.76-g9154940 #20 [ 20.503291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.512611] task: ffff8801ca689800 task.stack: ffff8801c8f38000 [ 20.518646] RIP: 0010:[] [] __free_pages+0x21/0x80 [ 20.526875] RSP: 0018:ffff8801c8f3f940 EFLAGS: 00010a07 [ 20.532288] RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff8266640b [ 20.539523] RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c [ 20.546759] RBP: ffff8801c8f3f950 R08: 0000000000000001 R09: 0000000000000000 [ 20.554004] R10: 0000000000000000 R11: ffff8801ca689800 R12: 0000000000000004 [ 20.561251] R13: 0000000000000020 R14: ffff8801c8c60000 R15: dffffc0000000000 [ 20.568490] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:0000000009062840 [ 20.576679] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 20.582527] CR2: 0000000020c34000 CR3: 00000001c971e000 CR4: 0000000000160670 [ 20.589764] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.597008] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.604261] Stack: [ 20.606376] 0000000000000001 ffff8801c8c60158 ffff8801c8f3f9b0 ffffffff82666431 [ 20.614322] ffff8801c8c60170 ffffed003918c02b ffffed003918c02e ffff8801c8c60168 [ 20.622283] dead4ead00000000 ffff8801c8c60140 0000000000000000 0000000000000000 [ 20.630241] Call Trace: [ 20.632797] [] sg_remove_scat.isra.19+0x1c1/0x2d0 [ 20.639252] [] sg_finish_rem_req+0x2b5/0x340 [ 20.645275] [] sg_new_read.isra.20+0x356/0x3e0 [ 20.651470] [] ? sg_get_rq_mark+0x170/0x190 [ 20.657405] [] sg_read+0x8bd/0x1440 [ 20.662648] [] ? kasan_unpoison_shadow+0x35/0x50 [ 20.669020] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 20.675649] [] ? fsnotify+0xf30/0xf30 [ 20.681079] [] ? avc_policy_seqno+0x9/0x20 [ 20.686928] [] do_loop_readv_writev.part.17+0x141/0x1e0 [ 20.693916] [] ? security_file_permission+0x89/0x1e0 [ 20.700633] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 20.707263] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 20.713892] [] compat_do_readv_writev+0x522/0x760 [ 20.720348] [] ? do_pwritev+0x1a0/0x1a0 [ 20.725939] [] ? _raw_spin_unlock+0x2c/0x50 [ 20.731874] [] ? fsnotify+0xf30/0xf30 [ 20.737299] [] compat_readv+0xe3/0x150 [ 20.742800] [] do_compat_readv+0xf4/0x1d0 [ 20.748565] [] ? compat_readv+0x150/0x150 [ 20.754327] [] compat_SyS_readv+0x26/0x30 [ 20.760093] [] ? SyS_pwritev2+0x80/0x80 [ 20.765702] [] do_fast_syscall_32+0x2f7/0x890 [ 20.771811] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 20.778443] [] entry_SYSENTER_compat+0x74/0x83 [ 20.784637] Code: e9 27 fc ff ff 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 3d [ 20.811049] RIP [] __free_pages+0x21/0x80 [ 20.816937] RSP [ 20.820542] general protection fault: 0000 [#4] PREEMPT SMP KASAN [ 20.822799] kasan: CONFIG_KASAN_INLINE enabled [ 20.822801] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 20.838655] Dumping ftrace buffer: [ 20.842162] (ftrace buffer empty) [ 20.845840] Modules linked in: [ 20.849116] CPU: 1 PID: 3330 Comm: syzkaller566283 Tainted: G D 4.9.76-g9154940 #20 [ 20.857999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.867330] task: ffff8801ca688000 task.stack: ffff8801c8ee8000 [ 20.873350] RIP: 0010:[] [] __free_pages+0x21/0x80 [ 20.881585] RSP: 0018:ffff8801c8eef940 EFLAGS: 00010a07 [ 20.887000] RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff8266640b [ 20.894234] RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c [ 20.901470] RBP: ffff8801c8eef950 R08: 0000000000000001 R09: 0000000000000000 [ 20.908719] R10: 0000000000000000 R11: ffff8801ca688000 R12: 0000000000000004 [ 20.915964] R13: 0000000000000020 R14: ffff8801c962a100 R15: dffffc0000000000 [ 20.923205] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:0000000009062840 [ 20.931415] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 20.937262] CR2: 0000000020c34000 CR3: 00000001c972c000 CR4: 0000000000160670 [ 20.944501] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.951737] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.958984] Stack: [ 20.961098] 0000000000000001 ffff8801c962a258 ffff8801c8eef9b0 ffffffff82666431 [ 20.969052] ffff8801c962a270 ffffed00392c544b ffffed00392c544e ffff8801c962a268 [ 20.977025] dead4ead00000000 ffff8801c962a240 0000000000000000 0000000000000000 [ 20.984973] Call Trace: [ 20.987528] [] sg_remove_scat.isra.19+0x1c1/0x2d0 [ 20.993994] [] sg_finish_rem_req+0x2b5/0x340 [ 21.000048] [] sg_new_read.isra.20+0x356/0x3e0 [ 21.006246] [] ? sg_get_rq_mark+0xc8/0x190 [ 21.012095] [] sg_read+0x8bd/0x1440 [ 21.017344] [] ? kasan_unpoison_shadow+0x35/0x50 [ 21.023716] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 21.030349] [] ? fsnotify+0xf30/0xf30 [ 21.035766] [] ? avc_policy_seqno+0x9/0x20 [ 21.041629] [] do_loop_readv_writev.part.17+0x141/0x1e0 [ 21.048605] [] ? security_file_permission+0x89/0x1e0 [ 21.055323] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 21.061954] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 21.068585] [] compat_do_readv_writev+0x522/0x760 [ 21.075054] [] ? do_pwritev+0x1a0/0x1a0 [ 21.080647] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.086581] [] ? fsnotify+0xf30/0xf30 [ 21.092008] [] compat_readv+0xe3/0x150 [ 21.097514] [] do_compat_readv+0xf4/0x1d0 [ 21.103275] [] ? compat_readv+0x150/0x150 [ 21.109038] [] compat_SyS_readv+0x26/0x30 [ 21.114816] [] ? SyS_pwritev2+0x80/0x80 [ 21.120408] [] do_fast_syscall_32+0x2f7/0x890 [ 21.126517] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program [ 21.133150] [] entry_SYSENTER_compat+0x74/0x83 [ 21.139347] Code: e9 27 fc ff ff 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 3d [ 21.165722] RIP [] __free_pages+0x21/0x80 [ 21.171602] RSP [ 21.175209] general protection fault: 0000 [#5] PREEMPT SMP KASAN [ 21.180081] ---[ end trace ee86634f2d730124 ]--- [ 21.180086] Kernel panic - not syncing: Fatal exception [ 21.191493] Dumping ftrace buffer: [ 21.194999] (ftrace buffer empty) [ 21.198684] Modules linked in: [ 21.201955] CPU: 0 PID: 3328 Comm: syzkaller566283 Tainted: G D 4.9.76-g9154940 #20 [ 21.210841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.220160] task: ffff8801ca68c800 task.stack: ffff8801c8ff0000 [ 21.226178] RIP: 0010:[] [] __free_pages+0x21/0x80 [ 21.234406] RSP: 0018:ffff8801c8ff7940 EFLAGS: 00010a07 [ 21.239819] RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff8266640b [ 21.247056] RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c [ 21.254291] RBP: ffff8801c8ff7950 R08: 0000000000000001 R09: 0000000000000000 [ 21.261528] R10: 0000000000000000 R11: ffff8801ca68c800 R12: 0000000000000004 [ 21.268764] R13: 0000000000000020 R14: ffff8801c8c62100 R15: dffffc0000000000 [ 21.276004] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:0000000009062840 [ 21.284196] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 21.290043] CR2: 0000000020c34000 CR3: 00000001c971c000 CR4: 0000000000160670 [ 21.297281] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.304516] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.311751] Stack: [ 21.313865] 0000000000000001 ffff8801c8c62258 ffff8801c8ff79b0 ffffffff82666431 [ 21.321812] ffff8801c8c62270 ffffed003918c44b ffffed003918c44e ffff8801c8c62268 [ 21.329761] dead4ead00000000 ffff8801c8c62240 0000000000000000 0000000000000000 [ 21.337705] Call Trace: [ 21.340260] [] sg_remove_scat.isra.19+0x1c1/0x2d0 [ 21.346719] [] sg_finish_rem_req+0x2b5/0x340 [ 21.352744] [] sg_new_read.isra.20+0x356/0x3e0 [ 21.358940] [] ? sg_get_rq_mark+0x17d/0x190 [ 21.364891] [] sg_read+0x8bd/0x1440 [ 21.370133] [] ? kasan_unpoison_shadow+0x35/0x50 [ 21.376514] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 21.383154] [] ? fsnotify+0xf30/0xf30 [ 21.388569] [] ? avc_policy_seqno+0x9/0x20 [ 21.394420] [] do_loop_readv_writev.part.17+0x141/0x1e0 [ 21.401400] [] ? security_file_permission+0x89/0x1e0 [ 21.408126] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 21.414757] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 21.421397] [] compat_do_readv_writev+0x522/0x760 [ 21.427853] [] ? do_pwritev+0x1a0/0x1a0 [ 21.433442] [] ? _raw_spin_unlock+0x2c/0x50 [ 21.439377] [] ? fsnotify+0xf30/0xf30 [ 21.444793] [] compat_readv+0xe3/0x150 [ 21.450294] [] do_compat_readv+0xf4/0x1d0 [ 21.456069] [] ? compat_readv+0x150/0x150 [ 21.461832] [] compat_SyS_readv+0x26/0x30 [ 21.467595] [] ? SyS_pwritev2+0x80/0x80 [ 21.473196] [] do_fast_syscall_32+0x2f7/0x890 [ 21.479314] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.485959] [] entry_SYSENTER_compat+0x74/0x83 [ 21.492153] Code: e9 27 fc ff ff 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 3d [ 21.518487] RIP [] __free_pages+0x21/0x80 [ 21.524362] RSP [ 21.527991] Dumping ftrace buffer: [ 21.531554] (ftrace buffer empty) [ 21.535236] Kernel Offset: disabled [ 21.538828] Rebooting in 86400 seconds..