Warning: Permanently added '10.128.15.210' (ECDSA) to the list of known hosts. executing program executing program [ 406.098977] audit: type=1400 audit(1565172485.555:36): avc: denied { map } for pid=7878 comm="syz-executor286" path="/root/syz-executor286038228" dev="sda1" ino=1426 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 [ 553.332827] INFO: task syz-executor286:7917 blocked for more than 140 seconds. [ 553.340736] Not tainted 4.19.65 #39 [ 553.346117] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 553.354782] syz-executor286 D28216 7917 7878 0x00000004 [ 553.360946] Call Trace: [ 553.364050] __schedule+0x866/0x1dc0 [ 553.368332] ? pci_mmcfg_check_reserved+0x170/0x170 [ 553.373782] ? rwsem_down_read_failed+0x1e3/0x3c0 [ 553.379025] ? _raw_spin_unlock_irq+0x28/0x90 [ 553.383891] ? lockdep_hardirqs_on+0x415/0x5d0 [ 553.388622] schedule+0x92/0x1c0 [ 553.392318] rwsem_down_read_failed+0x21b/0x3c0 [ 553.397680] ? rwsem_down_write_failed_killable+0xe30/0xe30 [ 553.404766] call_rwsem_down_read_failed+0x18/0x30 [ 553.410054] down_read+0x49/0xb0 [ 553.413664] ? __do_page_fault+0xb1a/0xe90 [ 553.418247] __do_page_fault+0xb1a/0xe90 [ 553.422425] ? vmalloc_fault+0x740/0x740 [ 553.426920] ? trace_hardirqs_off_caller+0x65/0x220 [ 553.431975] ? trace_hardirqs_on_caller+0x6a/0x220 [ 553.437193] ? page_fault+0x8/0x30 [ 553.441030] do_page_fault+0x71/0x57d [ 553.445018] ? page_fault+0x8/0x30 [ 553.448785] page_fault+0x1e/0x30 [ 553.452437] RIP: 0033:0x4ab79d [ 553.455885] Code: Bad RIP value. [ 553.459279] RSP: 002b:00007ffc7ef9d780 EFLAGS: 00010206 [ 553.465026] RAX: 00000000004ab8c0 RBX: 0000000000000001 RCX: 00000000006e0330 [ 553.472407] RDX: 0000000000407620 RSI: 0000000000000000 RDI: 00000000004ccb90 [ 553.481000] RBP: 00007ffc7ef9d7a0 R08: 000000037ffffa00 R09: 000000037ffffa00 [ 553.488622] R10: 00007ffc7ef9d810 R11: 0000000000000000 R12: 0000000000000001 [ 553.496647] R13: 00000000006e0320 R14: 000000000000002d R15: 20c49ba5e353f7cf [ 553.504306] [ 553.504306] Showing all locks held in the system: [ 553.510917] 1 lock held by khungtaskd/1039: [ 553.515450] #0: 000000000dac360a (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e [ 553.524534] 3 locks held by rs:main Q:Reg/7727: [ 553.529309] #0: 0000000084d87c8e (&rq->lock){-.-.}, at: __schedule+0x1f8/0x1dc0 [ 553.537266] #1: 00000000ead433fe (sb_writers#4){.+.+}, at: vfs_write+0x429/0x560 [ 553.545479] #2: 000000000dac360a (rcu_read_lock){....}, at: ext4_file_write_iter+0x23f/0x1060 [ 553.554722] 1 lock held by rsyslogd/7729: [ 553.559024] #0: 00000000e8442a07 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 553.567557] 2 locks held by getty/7851: [ 553.571678] #0: 00000000f66b629b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 553.580665] #1: 000000008cc322b2 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 553.589902] 2 locks held by getty/7852: [ 553.594063] #0: 00000000a0cd65d7 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 553.604158] #1: 0000000033d8c79d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 553.613520] 2 locks held by getty/7853: [ 553.617694] #0: 000000001ac65ff1 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 553.626487] #1: 0000000038bd9a71 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 553.635901] 2 locks held by getty/7854: [ 553.639993] #0: 0000000081ec128a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 553.648589] #1: 00000000f802f05a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 553.658033] 2 locks held by getty/7855: [ 553.662280] #0: 0000000024dc0269 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 553.670968] #1: 000000008659a96b (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 553.680341] 2 locks held by getty/7856: [ 553.684556] #0: 0000000037dd64f8 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 553.693236] #1: 000000009c5f3646 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 553.702364] 2 locks held by getty/7857: [ 553.706685] #0: 00000000e7a6f662 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 553.715334] #1: 0000000070987bf2 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30 [ 553.725037] 1 lock held by syz-executor286/7917: [ 553.729923] #0: 00000000bba82b8e (&mm->mmap_sem){++++}, at: __do_page_fault+0xb1a/0xe90 [ 553.739924] 1 lock held by syz-executor286/7918: [ 553.745077] #0: 00000000bba82b8e (&mm->mmap_sem){++++}, at: do_exit+0x4bc/0x2fa0 [ 553.753176] 2 locks held by syz-executor286/7919: [ 553.758141] [ 553.759855] ============================================= [ 553.759855] [ 553.767342] NMI backtrace for cpu 0 [ 553.771074] CPU: 0 PID: 1039 Comm: khungtaskd Not tainted 4.19.65 #39 [ 553.777848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 553.787447] Call Trace: [ 553.790459] dump_stack+0x172/0x1f0 [ 553.794116] nmi_cpu_backtrace.cold+0x63/0xa4 [ 553.798632] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 553.803670] nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 [ 553.809215] arch_trigger_cpumask_backtrace+0x14/0x20 [ 553.814698] watchdog+0x9df/0xee0 [ 553.818185] kthread+0x354/0x420 [ 553.821595] ? reset_hung_task_detector+0x30/0x30 [ 553.827153] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 553.832723] ret_from_fork+0x24/0x30 [ 553.836642] Sending NMI from CPU 0 to CPUs 1: [ 553.842134] NMI backtrace for cpu 1 [ 553.842141] CPU: 1 PID: 7919 Comm: syz-executor286 Not tainted 4.19.65 #39 [ 553.842148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 553.842153] RIP: 0010:__lock_acquire+0xce9/0x49c0 [ 553.842165] Code: 60 44 8b 5c 24 68 44 8b 4c 24 70 e9 db f8 ff ff 48 8b 94 24 80 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 <84> c0 74 21 3c 01 7f 1d 48 8b bc 24 80 00 00 00 4c 89 94 24 98 00 [ 553.842170] RSP: 0018:ffff8880991ef6b0 EFLAGS: 00000806 [ 553.842179] RAX: 0000000000000000 RBX: 00000000bbbd4c73 RCX: 00000000c96d14d9 [ 553.842185] RDX: 1ffff11010ce75b1 RSI: ffff88808673ad40 RDI: 0000000000000000 [ 553.842191] RBP: ffff8880991ef880 R08: 0000000000000001 R09: 0000000000000001 [ 553.842196] R10: ffff88808673ad68 R11: 000000006550c77d R12: 785f29aa7c5c2124 [ 553.842202] R13: 72b9d3e2a638753c R14: ffff88808673a4c0 R15: 0000000000000000 [ 553.842208] FS: 00007febcc703700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 553.842213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 553.842219] CR2: ffffffffff600400 CR3: 000000008c728000 CR4: 00000000001406e0 [ 553.842225] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 553.842230] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 553.842234] Call Trace: [ 553.842238] ? mark_held_locks+0xb1/0x100 [ 553.842242] ? lockdep_hardirqs_on+0x415/0x5d0 [ 553.842246] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 553.842251] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 553.842255] ? lockdep_hardirqs_on+0x415/0x5d0 [ 553.842259] ? mark_held_locks+0x100/0x100 [ 553.842263] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 553.842268] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 553.842272] ? lockdep_hardirqs_on+0x415/0x5d0 [ 553.842276] ? retint_kernel+0x2d/0x2d [ 553.842280] ? trace_hardirqs_on_caller+0x6a/0x220 [ 553.842285] ? __lock_is_held+0xb6/0x140 [ 553.842289] ? sctp_ulpevent_idata+0x2a00/0x65b0 [ 553.842293] ? perf_mmap+0x730/0x19b0 [ 553.842297] lock_acquire+0x16f/0x3f0 [ 553.842301] ? perf_mmap+0x730/0x19b0 [ 553.842305] ? perf_mmap+0x730/0x19b0 [ 553.842309] __mutex_lock+0xf7/0x1300 [ 553.842313] ? perf_mmap+0x730/0x19b0 [ 553.842317] ? perf_mmap+0x730/0x19b0 [ 553.842321] ? lock_downgrade+0x810/0x810 [ 553.842325] ? mutex_trylock+0x1e0/0x1e0 [ 553.842329] ? lock_release+0x18/0xa30 [ 553.842333] ? kasan_check_write+0x14/0x20 [ 553.842337] ? __mutex_unlock_slowpath+0xf8/0x6b0 [ 553.842342] ? wait_for_completion+0x440/0x440 [ 553.842346] ? perf_mmap+0x721/0x19b0 [ 553.842350] mutex_lock_nested+0x16/0x20 [ 553.842354] ? mutex_lock_nested+0x16/0x20 [ 553.842358] perf_mmap+0x730/0x19b0 [ 553.842362] ? perf_release+0x50/0x50 [ 553.842366] ? do_munmap+0x893/0xed0 [ 553.842370] ? memset+0x32/0x40 [ 553.842374] mmap_region+0xc2f/0x1760 [ 553.842378] ? __x64_sys_brk+0x6c0/0x6c0 [ 553.842383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 553.842387] ? get_unmapped_area+0x293/0x3b0 [ 553.842391] do_mmap+0x8e2/0x1080 [ 553.842395] vm_mmap_pgoff+0x1c5/0x230 [ 553.842400] ? vma_is_stack_for_current+0xd0/0xd0 [ 553.842409] ? iterate_fd+0x360/0x360 [ 553.842413] ksys_mmap_pgoff+0x4aa/0x630 [ 553.842418] ? find_mergeable_anon_vma+0x2e0/0x2e0 [ 553.842422] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 553.842427] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 553.842431] ? do_syscall_64+0x26/0x620 [ 553.842436] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 553.842440] __x64_sys_mmap+0xe9/0x1b0 [ 553.842444] do_syscall_64+0xfd/0x620 [ 553.842448] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 553.842452] RIP: 0033:0x4468f9 [ 553.842464] Code: e8 5c b3 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 553.842469] RSP: 002b:00007febcc702da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 553.842484] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 00000000004468f9 [ 553.842489] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020ffd000 [ 553.842495] RBP: 00000000006dbc30 R08: 0000000000000003 R09: 0000000000000000 [ 553.842501] R10: 0000000000001011 R11: 0000000000000246 R12: 00000000006dbc3c [ 553.842507] R13: 00007ffc7ef9d77f R14: 00007febcc7039c0 R15: 20c49ba5e353f7cf [ 553.843625] Kernel panic - not syncing: hung_task: blocked tasks [ 554.275304] CPU: 0 PID: 1039 Comm: khungtaskd Not tainted 4.19.65 #39 [ 554.282562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 554.292634] Call Trace: [ 554.295447] dump_stack+0x172/0x1f0 [ 554.299101] panic+0x263/0x507 [ 554.302524] ? __warn_printk+0xf3/0xf3 [ 554.306526] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 554.311572] ? ___preempt_schedule+0x16/0x18 [ 554.316147] ? nmi_trigger_cpumask_backtrace+0x165/0x1f8 [ 554.321706] ? nmi_trigger_cpumask_backtrace+0x1c1/0x1f8 [ 554.327433] ? nmi_trigger_cpumask_backtrace+0x1cb/0x1f8 [ 554.333280] ? nmi_trigger_cpumask_backtrace+0x165/0x1f8 [ 554.338755] watchdog+0x9f0/0xee0 [ 554.342336] kthread+0x354/0x420 [ 554.345862] ? reset_hung_task_detector+0x30/0x30 [ 554.350812] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 554.356548] ret_from_fork+0x24/0x30 [ 554.362759] Kernel Offset: disabled [ 554.366651] Rebooting in 86400 seconds..