[....] Starting enhanced syslogd: rsyslogd[ 11.688996] audit: type=1400 audit(1515422877.839:5): avc: denied { syslog } for pid=3342 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 mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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 syzkaller login: [ 16.821270] audit: type=1400 audit(1515422882.972:6): avc: denied { map } for pid=3482 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.53' (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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 42.986845] audit: type=1400 audit(1515422909.137:7): avc: denied { map } for pid=3500 comm="syzkaller702369" path="/root/syzkaller702369021" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.892572] ================================================================== [ 49.900023] BUG: KASAN: use-after-free in tipc_group_size+0x40/0x50 [ 49.906424] Read of size 2 at addr ffff8801cdd95b80 by task syzkaller702369/9698 [ 49.913947] [ 49.915561] CPU: 0 PID: 9698 Comm: syzkaller702369 Not tainted 4.15.0-rc7+ #162 [ 49.922986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.932326] Call Trace: [ 49.934913] dump_stack+0x194/0x257 executing program executing program executing program executing program executing program [ 49.938531] ? arch_local_irq_restore+0x53/0x53 [ 49.943192] ? show_regs_print_info+0x18/0x18 [ 49.947682] ? iterate_fd+0x3f0/0x3f0 [ 49.951475] ? tipc_group_size+0x40/0x50 [ 49.955536] print_address_description+0x73/0x250 [ 49.960373] ? tipc_group_size+0x40/0x50 [ 49.964428] kasan_report+0x25b/0x340 [ 49.968230] __asan_report_load2_noabort+0x14/0x20 [ 49.973153] tipc_group_size+0x40/0x50 [ 49.977030] tipc_poll+0x374/0x4f0 [ 49.980566] ? tipc_ioctl+0x240/0x240 [ 49.984363] ? __check_object_size+0x25d/0x4f0 [ 49.988934] sock_poll+0x141/0x320 [ 49.992454] ? __might_sleep+0x95/0x190 [ 49.996424] ? sock_ioctl+0x440/0x440 [ 50.000227] ? sock_ioctl+0x440/0x440 [ 50.004016] do_sys_poll+0x715/0x10b0 [ 50.007831] ? compat_core_sys_select+0x9e0/0x9e0 [ 50.012708] ? __handle_mm_fault+0x2747/0x3ce0 [ 50.017292] ? lock_release+0xa40/0xa40 [ 50.021265] ? do_raw_spin_trylock+0x190/0x190 [ 50.025855] ? _raw_spin_unlock+0x22/0x30 [ 50.029992] ? __handle_mm_fault+0x80e/0x3ce0 [ 50.034493] ? check_noncircular+0x20/0x20 [ 50.038719] ? __pmd_alloc+0x4e0/0x4e0 [ 50.042612] ? find_held_lock+0x35/0x1d0 [ 50.046674] ? handle_mm_fault+0x248/0x8d0 [ 50.050908] ? find_held_lock+0x35/0x1d0 [ 50.054975] ? __do_page_fault+0x5f7/0xc90 [ 50.059199] ? lock_downgrade+0x980/0x980 [ 50.063351] ? handle_mm_fault+0x410/0x8d0 [ 50.067573] ? down_read_trylock+0xdb/0x170 [ 50.071884] ? __do_page_fault+0x32d/0xc90 [ 50.076108] ? poll_select_set_timeout+0x12f/0x210 [ 50.081026] ? do_restart_poll+0x2a0/0x2a0 [ 50.085265] SyS_poll+0x10d/0x450 [ 50.088699] ? SyS_poll+0x10d/0x450 [ 50.092313] ? SyS_pselect6+0x650/0x650 [ 50.096277] ? do_fast_syscall_32+0x156/0xf9d [ 50.100785] ? SyS_pselect6+0x650/0x650 [ 50.104751] do_fast_syscall_32+0x3ee/0xf9d [ 50.109074] ? do_int80_syscall_32+0x9d0/0x9d0 [ 50.113658] ? syscall_return_slowpath+0x2ad/0x550 [ 50.118581] ? prepare_exit_to_usermode+0x340/0x340 [ 50.123589] ? retint_user+0x18/0x18 [ 50.127305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.132151] entry_SYSENTER_compat+0x54/0x63 [ 50.136548] RIP: 0023:0xf7f69c79 [ 50.139889] RSP: 002b:00000000f7f4412c EFLAGS: 00000246 ORIG_RAX: 00000000000000a8 [ 50.147580] RAX: ffffffffffffffda RBX: 0000000020fa2ff8 RCX: 0000000000000001 [ 50.154843] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000080faff4 [ 50.162096] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 50.169352] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 50.176610] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 50.183893] [ 50.185510] Allocated by task 9689: [ 50.189126] save_stack+0x43/0xd0 [ 50.192574] kasan_kmalloc+0xad/0xe0 [ 50.196271] kmem_cache_alloc_trace+0x136/0x750 [ 50.200934] tipc_group_create+0x116/0x9c0 [ 50.205153] tipc_setsockopt+0x249/0xc10 [ 50.209202] compat_SyS_setsockopt+0x2e7/0x410 [ 50.213780] do_fast_syscall_32+0x3ee/0xf9d [ 50.218096] entry_SYSENTER_compat+0x54/0x63 [ 50.222482] [ 50.224089] Freed by task 9689: [ 50.227352] save_stack+0x43/0xd0 [ 50.230791] kasan_slab_free+0x71/0xc0 [ 50.234681] kfree+0xd6/0x260 [ 50.237771] tipc_group_delete+0x2c8/0x3d0 [ 50.241987] tipc_setsockopt+0xb0d/0xc10 [ 50.246037] compat_SyS_setsockopt+0x2e7/0x410 [ 50.250604] do_fast_syscall_32+0x3ee/0xf9d [ 50.254909] entry_SYSENTER_compat+0x54/0x63 [ 50.259302] [ 50.260917] The buggy address belongs to the object at ffff8801cdd95b00 [ 50.260917] which belongs to the cache kmalloc-192 of size 192 [ 50.273565] The buggy address is located 128 bytes inside of [ 50.273565] 192-byte region [ffff8801cdd95b00, ffff8801cdd95bc0) [ 50.285428] The buggy address belongs to the page: [ 50.290352] page:ffffea0007376540 count:1 mapcount:0 mapping:ffff8801cdd95000 index:0x0 [ 50.298483] flags: 0x2fffc0000000100(slab) [ 50.302707] raw: 02fffc0000000100 ffff8801cdd95000 0000000000000000 0000000100000010 [ 50.310579] raw: ffffea000736be20 ffffea0007312360 ffff8801dac00040 0000000000000000 [ 50.318453] page dumped because: kasan: bad access detected [ 50.324147] [ 50.325767] Memory state around the buggy address: [ 50.330684] ffff8801cdd95a80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 50.338032] ffff8801cdd95b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 50.345374] >ffff8801cdd95b80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 50.352714] ^ [ 50.356067] ffff8801cdd95c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 50.363425] ffff8801cdd95c80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 50.370790] ================================================================== [ 50.378134] Disabling lock debugging due to kernel taint [ 50.383756] Kernel panic - not syncing: panic_on_warn set ... [ 50.383756] [ 50.391107] CPU: 0 PID: 9698 Comm: syzkaller702369 Tainted: G B 4.15.0-rc7+ #162 [ 50.399839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.409179] Call Trace: [ 50.411761] dump_stack+0x194/0x257 [ 50.415386] ? arch_local_irq_restore+0x53/0x53 [ 50.420047] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 50.424793] ? vsnprintf+0x1ed/0x1900 [ 50.428581] ? tipc_group_exclude+0x80/0xa0 [ 50.432888] panic+0x1e4/0x41c [ 50.436067] ? refcount_error_report+0x214/0x214 [ 50.440819] ? add_taint+0x1c/0x50 [ 50.444345] ? add_taint+0x1c/0x50 [ 50.447875] ? tipc_group_size+0x40/0x50 [ 50.451924] kasan_end_report+0x50/0x50 [ 50.455882] kasan_report+0x144/0x340 [ 50.459672] __asan_report_load2_noabort+0x14/0x20 [ 50.464592] tipc_group_size+0x40/0x50 [ 50.468469] tipc_poll+0x374/0x4f0 [ 50.471996] ? tipc_ioctl+0x240/0x240 [ 50.475782] ? __check_object_size+0x25d/0x4f0 [ 50.480363] sock_poll+0x141/0x320 [ 50.483895] ? __might_sleep+0x95/0x190 [ 50.487859] ? sock_ioctl+0x440/0x440 [ 50.491827] ? sock_ioctl+0x440/0x440 [ 50.495613] do_sys_poll+0x715/0x10b0 [ 50.499415] ? compat_core_sys_select+0x9e0/0x9e0 [ 50.504262] ? __handle_mm_fault+0x2747/0x3ce0 [ 50.508841] ? lock_release+0xa40/0xa40 [ 50.512824] ? do_raw_spin_trylock+0x190/0x190 [ 50.517405] ? _raw_spin_unlock+0x22/0x30 [ 50.521548] ? __handle_mm_fault+0x80e/0x3ce0 [ 50.526039] ? check_noncircular+0x20/0x20 [ 50.530267] ? __pmd_alloc+0x4e0/0x4e0 [ 50.534151] ? find_held_lock+0x35/0x1d0 [ 50.538204] ? handle_mm_fault+0x248/0x8d0 [ 50.542459] ? find_held_lock+0x35/0x1d0 [ 50.546514] ? __do_page_fault+0x5f7/0xc90 [ 50.550738] ? lock_downgrade+0x980/0x980 [ 50.554879] ? handle_mm_fault+0x410/0x8d0 [ 50.559100] ? down_read_trylock+0xdb/0x170 [ 50.563406] ? __do_page_fault+0x32d/0xc90 [ 50.567630] ? poll_select_set_timeout+0x12f/0x210 [ 50.572543] ? do_restart_poll+0x2a0/0x2a0 [ 50.576770] SyS_poll+0x10d/0x450 [ 50.580207] ? SyS_poll+0x10d/0x450 [ 50.583836] ? SyS_pselect6+0x650/0x650 [ 50.587800] ? do_fast_syscall_32+0x156/0xf9d [ 50.592286] ? SyS_pselect6+0x650/0x650 [ 50.596250] do_fast_syscall_32+0x3ee/0xf9d [ 50.600566] ? do_int80_syscall_32+0x9d0/0x9d0 [ 50.605142] ? syscall_return_slowpath+0x2ad/0x550 [ 50.610058] ? prepare_exit_to_usermode+0x340/0x340 [ 50.615061] ? retint_user+0x18/0x18 [ 50.618771] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.623612] entry_SYSENTER_compat+0x54/0x63 [ 50.628006] RIP: 0023:0xf7f69c79 [ 50.631355] RSP: 002b:00000000f7f4412c EFLAGS: 00000246 ORIG_RAX: 00000000000000a8 [ 50.639048] RAX: ffffffffffffffda RBX: 0000000020fa2ff8 RCX: 0000000000000001 [ 50.646306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000080faff4 [ 50.653560] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 50.660812] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 50.668072] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 50.675797] Dumping ftrace buffer: [ 50.679305] (ftrace buffer empty) [ 50.682980] Kernel Offset: disabled [ 50.686574] Rebooting in 86400 seconds..