[....] Starting enhanced syslogd: rsyslogd[ 12.610173] audit: type=1400 audit(1513552633.728:4): avc: denied { syslog } for pid=3171 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[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-android-49-kasan-gce-386-4,10.128.15.206' (ECDSA) to the list of known hosts. net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz7.accept_dad = 0 net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz3.accept_dad = 0 net.ipv6.conf.syz6.accept_dad = 0 net.ipv6.conf.syz4.accept_dad = 0 net.ipv6.conf.syz1.accept_dad = 0 net.ipv6.conf.syz2.accept_dad = 0 net.ipv6.conf.syz7.router_solicitations = 0 net.ipv6.conf.syz0.router_solicitations = 0 net.ipv6.conf.syz5.router_solicitations = 0 net.ipv6.conf.syz1.router_solicitations = 0 net.ipv6.conf.syz3.router_solicitations = 0 net.ipv6.conf.syz4.router_solicitations = 0 net.ipv6.conf.syz2.router_solicitations = 0 net.ipv6.conf.syz6.router_solicitations = 0 syzkaller login: [ 24.176582] audit: type=1400 audit(1513552645.298:5): avc: denied { sys_admin } for pid=3328 comm="syzkaller442855" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 24.268165] IPVS: Creating netns size=2536 id=1 [ 24.298740] IPVS: Creating netns size=2536 id=2 [ 24.311064] IPVS: Creating netns size=2536 id=3 executing program executing program executing program [ 24.325896] audit: type=1400 audit(1513552645.448:6): avc: denied { sys_chroot } for pid=3504 comm="syzkaller442855" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 24.361458] IPVS: Creating netns size=2536 id=4 [ 24.383911] IPVS: Creating netns size=2536 id=5 executing program executing program executing program executing program [ 24.405474] IPVS: Creating netns size=2536 id=6 executing program executing program [ 24.437703] IPVS: Creating netns size=2536 id=7 executing program executing program executing program executing program executing program [ 24.498503] IPVS: Creating netns size=2536 id=8 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.094893] kasan: CONFIG_KASAN_INLINE enabled [ 36.099885] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.099997] BUG: spinlock bad magic on CPU#0, syzkaller442855/10189 [ 36.100006] lock: 0xffff8801cb558018, .magic: dead4eac, .owner: /-1, .owner_cpu: -1 [ 36.100014] CPU: 0 PID: 10189 Comm: syzkaller442855 Not tainted 4.9.69-g3f1d77c #4 [ 36.100017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program [ 36.100028] ffff8801db207898 ffffffff81d90a29 ffff8801cb558018 ffff8801cd54c800 [ 36.100036] 0000000000000001 0000000000000001 0000000000000000 ffff8801db2078d8 [ 36.100044] ffffffff81245efd ffffffff8122123e 0000000000000000 0000000000000000 [ 36.100045] Call Trace: [ 36.100057] [ 36.100058] [] dump_stack+0xc1/0x128 [ 36.100066] [] spin_dump+0x14d/0x280 [ 36.100072] [] ? __wake_up+0x1e/0x50 [ 36.100078] [] do_raw_spin_lock+0x174/0x1e0 executing program executing program executing program executing program executing program executing program executing program [ 36.100088] [] _raw_spin_lock_irqsave+0x56/0x70 [ 36.100093] [] ? __wake_up+0x1e/0x50 [ 36.100098] [] __wake_up+0x1e/0x50 [ 36.100107] [] sg_rq_end_io+0x5dc/0xbb0 [ 36.100113] [] ? sg_release+0x1e0/0x1e0 [ 36.100120] [] ? blk_account_io_done+0xb4/0x860 [ 36.100128] [] ? sg_free_table_chained+0x71/0x80 [ 36.100134] [] ? sg_release+0x1e0/0x1e0 [ 36.100140] [] __blk_mq_end_request+0x54/0xc0 executing program executing program executing program executing program [ 36.100148] [] scsi_end_request+0x135/0x5c0 [ 36.100155] [] scsi_io_completion+0x15de/0x1730 [ 36.100162] [] ? scsi_unblock_requests+0x50/0x50 [ 36.100169] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 36.100175] [] scsi_finish_command+0x3b8/0x530 [ 36.100182] [] scsi_softirq_done+0x250/0x350 [ 36.100188] [] __blk_mq_complete_request+0x205/0x4b0 [ 36.100194] [] blk_mq_complete_request+0x65/0x80 executing program executing program executing program [ 36.100200] [] scsi_mq_done+0xce/0x320 [ 36.100208] [] virtscsi_complete_cmd+0x5cf/0x7f0 [ 36.100215] [] ? virtscsi_remove+0x140/0x140 [ 36.100221] [] virtscsi_vq_done+0xc9/0x170 [ 36.100228] [] ? virtscsi_target_destroy+0x50/0x50 [ 36.100235] [] virtscsi_req_done+0xa7/0xd0 [ 36.100241] [] ? virtscsi_vq_done+0x170/0x170 [ 36.100248] [] vring_interrupt+0x109/0x150 executing program executing program executing program executing program executing program executing program executing program [ 36.100254] [] ? vring_create_virtqueue+0x3f0/0x3f0 [ 36.100267] [] __handle_irq_event_percpu+0xef/0x800 [ 36.100274] [] handle_irq_event_percpu+0x74/0x150 [ 36.100280] [] ? __handle_irq_event_percpu+0x800/0x800 [ 36.100286] [] ? handle_irq_event+0x9f/0x140 [ 36.100292] [] handle_irq_event+0xa7/0x140 [ 36.100298] [] handle_edge_irq+0x1fa/0x8e0 [ 36.100307] [] handle_irq+0x24e/0x3b0 executing program executing program executing program executing program executing program executing program [ 36.100315] [] ? check_preemption_disabled+0x3b/0x200 [ 36.100321] [] do_IRQ+0x89/0x1b0 [ 36.100328] [] common_interrupt+0x8c/0x8c [ 36.100339] [ 36.100339] [] ? unmap_page_range+0x829/0x17d0 [ 36.100348] [] ? __pagevec_lru_add_fn+0x7b0/0x7b0 [ 36.100354] [] ? vm_normal_page_pmd+0x240/0x240 [ 36.100361] [] ? pagevec_lru_move_fn+0x17f/0x1f0 [ 36.100367] [] unmap_single_vma+0x10b/0x270 executing program executing program [ 36.100377] [] zap_page_range+0x254/0x3a0 [ 36.100383] [] ? unmap_vmas+0x1b0/0x1b0 [ 36.100389] [] ? vmacache_find+0x57/0x290 [ 36.100395] [] ? vmacache_update+0xfe/0x130 [ 36.100404] [] SyS_madvise+0x683/0x1040 [ 36.100412] [] ? __fsnotify_parent+0xbc/0x340 [ 36.100421] [] ? avc_policy_seqno+0x9/0x20 [ 36.100427] [] ? fsnotify+0x86/0xf30 [ 36.100433] [] ? fsnotify+0xf30/0xf30 executing program executing program executing program executing program executing program executing program [ 36.100441] [] ? madvise_free_pte_range+0x11b0/0x11b0 [ 36.100448] [] ? vfs_write+0x224/0x530 [ 36.100454] [] ? fput+0xd2/0x140 [ 36.100460] [] ? SyS_write+0x13d/0x1b0 [ 36.100467] [] ? do_fast_syscall_32+0xcf/0x890 [ 36.100473] [] ? madvise_free_pte_range+0x11b0/0x11b0 [ 36.100479] [] do_fast_syscall_32+0x2f7/0x890 [ 36.100485] [] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program executing program executing program executing program executing program executing program executing program [ 36.100491] [] entry_SYSENTER_compat+0x51/0x60 [ 36.551163] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 36.557366] Dumping ftrace buffer: [ 36.560869] (ftrace buffer empty) [ 36.564543] Modules linked in: [ 36.567821] CPU: 1 PID: 10180 Comm: syzkaller442855 Not tainted 4.9.69-g3f1d77c #4 [ 36.575503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.584833] task: ffff8801c830b000 task.stack: ffff8801cb548000 executing program executing program executing program [ 36.590865] RIP: 0010:[] [] __free_pages+0x21/0x80 [ 36.599094] RSP: 0018:ffff8801cb54fa50 EFLAGS: 00010a07 [ 36.604513] RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: 1ffff10039aaa423 [ 36.611750] RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c [ 36.618991] RBP: ffff8801cb54fa60 R08: 0000000000000001 R09: 0000000000000000 [ 36.626226] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004 [ 36.633465] R13: 0000000000000020 R14: ffff8801cd552100 R15: dffffc0000000000 [ 36.640712] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f678eb40 [ 36.648920] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 36.654774] CR2: 00000000f6f8eccc CR3: 00000001ca389000 CR4: 00000000001406e0 [ 36.662030] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.669281] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.676531] Stack: [ 36.678645] ffff8801c830b000 ffff8801cd552258 ffff8801cb54fac0 ffffffff826600d1 [ 36.686615] ffff8801cd552270 ffffed0039aaa44b ffffed0039aaa44e ffff8801cd552268 [ 36.694563] dead4ead00000000 ffff8801cd552240 0000000000000000 0000000000000000 [ 36.702512] Call Trace: [ 36.705069] [] sg_remove_scat.isra.20+0x1c1/0x2d0 [ 36.711536] [] sg_finish_rem_req+0x2b5/0x340 [ 36.717570] [] sg_new_read.isra.21+0x39/0x3e0 [ 36.723701] [] ? sg_get_rq_mark+0x142/0x190 [ 36.729668] [] sg_read+0x8bd/0x1440 [ 36.730588] kasan: CONFIG_KASAN_INLINE enabled [ 36.730590] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 36.746786] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 36.753419] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 36.760396] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 36.767027] [] __vfs_read+0x103/0x670 [ 36.772440] [] ? default_llseek+0x290/0x290 [ 36.778376] [] ? fsnotify+0x86/0xf30 [ 36.783706] [] ? fsnotify+0xf30/0xf30 [ 36.789121] [] ? avc_policy_seqno+0x9/0x20 [ 36.794971] [] ? selinux_file_permission+0x82/0x460 [ 36.801600] [] ? security_file_permission+0x89/0x1e0 [ 36.808319] [] ? rw_verify_area+0xe5/0x2b0 [ 36.814167] [] vfs_read+0x11e/0x380 [ 36.819408] [] SyS_read+0xd9/0x1b0 [ 36.824560] [] ? vfs_copy_file_range+0x740/0x740 [ 36.830928] [] ? do_fast_syscall_32+0xcf/0x890 [ 36.837122] [] ? vfs_copy_file_range+0x740/0x740 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.843491] [] do_fast_syscall_32+0x2f7/0x890 [ 36.849599] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.856229] [] entry_SYSENTER_compat+0x51/0x60 [ 36.862422] Code: ff 66 0f 1f 84 00 00 00 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 [ 36.888775] RIP [] __free_pages+0x21/0x80 [ 36.894649] RSP [ 36.898247] general protection fault: 0000 [#2] PREEMPT SMP KASAN [ 36.899559] ---[ end trace 13b47d7937c44f39 ]--- [ 36.899563] Kernel panic - not syncing: Fatal exception [ 36.914527] Dumping ftrace buffer: [ 36.918035] (ftrace buffer empty) [ 36.921712] Modules linked in: [ 36.924991] CPU: 0 PID: 10487 Comm: syzkaller442855 Tainted: G D 4.9.69-g3f1d77c #4 [ 36.933884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.943204] task: ffff8801c1ea9800 task.stack: ffff8801c1eb8000 [ 36.949228] RIP: 0010:[] [] __free_pages+0x21/0x80 [ 36.957462] RSP: 0018:ffff8801c1ebfa50 EFLAGS: 00010a07 [ 36.962894] RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: 1ffff100383ee843 [ 36.970134] RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c [ 36.977369] RBP: ffff8801c1ebfa60 R08: 0000000000000001 R09: 0000000000000000 [ 36.984600] R10: 0000000000000000 R11: ffff8801c1ea9800 R12: 0000000000000004 [ 36.991833] R13: 0000000000000020 R14: ffff8801c1f74200 R15: dffffc0000000000 [ 36.999067] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000f678eb40 [ 37.007258] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 37.013102] CR2: 00000000080e5c60 CR3: 00000001d5f87000 CR4: 00000000001406f0 [ 37.020339] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.027573] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.034805] Stack: [ 37.036921] ffff8801c1ea9800 ffff8801c1f74358 ffff8801c1ebfac0 ffffffff826600d1 [ 37.044870] ffff8801c1f74370 ffffed00383ee86b ffffed00383ee86e ffff8801c1f74368 [ 37.052809] dead4ead00000000 ffff8801c1f74340 0000000000000000 0000000000000000 [ 37.060752] Call Trace: [ 37.063311] [] sg_remove_scat.isra.20+0x1c1/0x2d0 [ 37.069766] [] sg_finish_rem_req+0x2b5/0x340 [ 37.075796] [] sg_new_read.isra.21+0x39/0x3e0 [ 37.081905] [] ? sg_get_rq_mark+0x142/0x190 [ 37.087838] [] sg_read+0x8bd/0x1440 [ 37.093082] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 37.099712] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 37.106687] [] ? sg_proc_seq_show_debug+0xd10/0xd10 [ 37.113333] [] __vfs_read+0x103/0x670 [ 37.118747] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 37.125723] [] ? default_llseek+0x290/0x290 [ 37.131661] [] ? fsnotify+0x86/0xf30 [ 37.136988] [] ? fsnotify+0xf30/0xf30 [ 37.142404] [] ? avc_policy_seqno+0x9/0x20 [ 37.148253] [] ? selinux_file_permission+0x82/0x460 [ 37.154885] [] ? security_file_permission+0x89/0x1e0 [ 37.161601] [] ? rw_verify_area+0xe5/0x2b0 [ 37.167446] [] vfs_read+0x11e/0x380 [ 37.172686] [] SyS_read+0xd9/0x1b0 [ 37.177840] [] ? vfs_copy_file_range+0x740/0x740 [ 37.184211] [] ? __free_pages+0x4f/0x80 [ 37.189798] [] ? put_task_stack+0x115/0x280 [ 37.195732] [] ? vfs_copy_file_range+0x740/0x740 [ 37.202101] [] do_fast_syscall_32+0x2f7/0x890 [ 37.208207] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.214837] [] entry_SYSENTER_compat+0x51/0x60 [ 37.221040] Code: ff 66 0f 1f 84 00 00 00 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 [ 37.247324] RIP [] __free_pages+0x21/0x80 [ 37.253198] RSP [ 37.256825] Dumping ftrace buffer: [ 37.260383] (ftrace buffer empty) [ 37.264067] Kernel Offset: disabled [ 37.267666] Rebooting in 86400 seconds..