Warning: Permanently added '10.128.0.33' (ECDSA) to the list of known hosts. executing program [ 717.635747] INFO: task syz-executor270:8085 blocked for more than 140 seconds. [ 717.643294] Not tainted 4.19.211-syzkaller #0 [ 717.649247] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.657457] syz-executor270 D27696 8085 8083 0x00000004 [ 717.663073] Call Trace: [ 717.665954] __schedule+0x887/0x2040 [ 717.669668] ? io_schedule_timeout+0x140/0x140 [ 717.674232] ? _raw_spin_unlock+0x29/0x40 [ 717.678695] schedule+0x8d/0x1b0 [ 717.682066] fuse_wait_on_page_writeback.isra.0+0x11b/0x170 [ 717.688161] ? fuse_do_ioctl+0x1850/0x1850 [ 717.692415] ? wait_woken+0x250/0x250 [ 717.696573] ? fuse_writepage_locked+0xb63/0x1010 [ 717.701429] ? fuse_writepage_locked+0x1010/0x1010 [ 717.706684] fuse_launder_page+0xb6/0xe0 [ 717.710751] invalidate_inode_pages2_range+0x795/0x1110 [ 717.716471] ? clear_shadow_entry+0x170/0x170 [ 717.720966] ? fuse_file_alloc+0x1d9/0x270 [ 717.725189] ? do_raw_spin_unlock+0x171/0x230 [ 717.730129] ? _raw_spin_unlock+0x29/0x40 [ 717.734291] ? fuse_do_open+0x1c4/0x500 [ 717.738579] fuse_finish_open+0x2e2/0x590 [ 717.742728] fuse_open_common+0x254/0x2c0 [ 717.747165] do_dentry_open+0x4aa/0x1160 [ 717.751226] ? fuse_open_common+0x2c0/0x2c0 [ 717.755794] ? inode_permission.part.0+0x10c/0x450 [ 717.760726] ? chown_common+0x550/0x550 [ 717.764679] ? inode_permission+0x3d/0x140 [ 717.768972] path_openat+0x793/0x2df0 [ 717.772774] ? path_lookupat+0x8d0/0x8d0 [ 717.776875] ? mark_held_locks+0xf0/0xf0 [ 717.780936] do_filp_open+0x18c/0x3f0 [ 717.784717] ? may_open_dev+0xf0/0xf0 [ 717.788567] ? lock_downgrade+0x720/0x720 [ 717.792708] ? lock_acquire+0x170/0x3c0 [ 717.796715] ? __alloc_fd+0x34/0x570 [ 717.800431] ? do_raw_spin_unlock+0x171/0x230 [ 717.804905] ? _raw_spin_unlock+0x29/0x40 [ 717.809098] ? __alloc_fd+0x28d/0x570 [ 717.812895] do_sys_open+0x3b3/0x520 [ 717.816641] ? filp_open+0x70/0x70 [ 717.820181] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 717.825589] ? trace_hardirqs_off_caller+0x6e/0x210 [ 717.830599] ? do_syscall_64+0x21/0x620 [ 717.834556] do_syscall_64+0xf9/0x620 [ 717.838414] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.843595] RIP: 0033:0x7f0b8570b4c9 [ 717.847346] Code: Bad RIP value. [ 717.850698] RSP: 002b:00007f0b856bc2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 717.858448] RAX: ffffffffffffffda RBX: 00007f0b8579c4c0 RCX: 00007f0b8570b4c9 [ 717.865762] RDX: 00007f0b8570b4c9 RSI: 0000000000000000 RDI: 00000000200001c0 [ 717.873023] RBP: 00007f0b85769164 R08: 0000000000000000 R09: 0000000000000000 [ 717.880360] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e [ 717.887681] R13: 00007f0b85765158 R14: 00007f0b85767160 R15: 00007f0b8579c4c8 [ 717.894966] [ 717.894966] Showing all locks held in the system: [ 717.901356] 1 lock held by khungtaskd/1570: [ 717.905721] #0: 00000000fca7a0fc (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 717.914335] 1 lock held by in:imklog/7797: [ 717.918605] 2 locks held by syz-executor270/8085: [ 717.923442] #0: 000000007dae8406 (sb_writers#11){.+.+}, at: mnt_want_write+0x3a/0xb0 [ 717.931458] #1: 000000004109745c (&sb->s_type->i_mutex_key#17){+.+.}, at: fuse_open_common+0x1bc/0x2c0 [ 717.941078] [ 717.942690] ============================================= [ 717.942690] [ 717.949753] NMI backtrace for cpu 1 [ 717.953375] CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 717.960797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 717.970127] Call Trace: [ 717.972697] dump_stack+0x1fc/0x2ef [ 717.976307] nmi_cpu_backtrace.cold+0x63/0xa2 [ 717.980783] ? lapic_can_unplug_cpu+0x80/0x80 [ 717.985256] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 717.990515] watchdog+0x991/0xe60 [ 717.994035] ? reset_hung_task_detector+0x30/0x30 [ 717.998858] kthread+0x33f/0x460 [ 718.002205] ? kthread_park+0x180/0x180 [ 718.006161] ret_from_fork+0x24/0x30 [ 718.009956] Sending NMI from CPU 1 to CPUs 0: [ 718.014914] NMI backtrace for cpu 0 [ 718.014920] CPU: 0 PID: 4684 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 [ 718.014931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 718.014935] RIP: 0010:___bpf_prog_run+0x2207/0x4e80 [ 718.014946] Code: 49 83 c6 08 49 89 07 e9 57 de ff ff e8 e2 2c f6 ff 49 8d 7e 01 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 0f b6 04 18 38 d0 7f 08 <84> c0 0f 85 48 2a 00 00 41 0f b6 56 01 48 89 d0 83 e0 0f 4c 8d 7c [ 718.014950] RSP: 0018:ffff8880a17d7a30 EFLAGS: 00000297 [ 718.014957] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff8880a17d7e70 [ 718.014962] RDX: 0000000000000001 RSI: ffffffff816c588e RDI: ffffc90001a95061 [ 718.014967] RBP: ffff8880a17d7b00 R08: 0000000000000000 R09: 000000007fff0000 [ 718.014972] R10: 0000000000000004 R11: 0000000000000000 R12: ffffffff886fb460 [ 718.014977] R13: ffffed10142faf62 R14: ffffc90001a95060 R15: 000000000000005d [ 718.014982] FS: 00007f70672a38c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 718.014987] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 718.014992] CR2: 00007f7064673000 CR3: 00000000a142f000 CR4: 00000000003406f0 [ 718.014997] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 718.015002] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 718.015004] Call Trace: [ 718.015008] ? __bpf_prog_run32+0x8f/0xd0 [ 718.015011] ? __bpf_prog_run64+0xd0/0xd0 [ 718.015015] ? __lock_acquire+0x6de/0x3ff0 [ 718.015019] ? trace_hardirqs_off+0x64/0x200 [ 718.015022] ? mark_held_locks+0xf0/0xf0 [ 718.015026] ? seccomp_run_filters+0x124/0x590 [ 718.015029] ? debug_object_activate+0x12f/0x450 [ 718.015033] ? __put_seccomp_filter+0xa0/0xa0 [ 718.015037] ? __lock_acquire+0x6de/0x3ff0 [ 718.015040] ? __seccomp_filter+0x93/0xca0 [ 718.015044] ? seccomp_send_sigsys+0x1c0/0x1c0 [ 718.015048] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 718.015052] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 718.015056] ? debug_object_active_state+0x254/0x330 [ 718.015059] ? mark_held_locks+0xf0/0xf0 [ 718.015063] ? debug_object_init_on_stack+0x20/0x20 [ 718.015066] ? kfree+0x110/0x210 [ 718.015070] ? task_work_run+0x11c/0x1c0 [ 718.015074] ? __secure_computing+0xfc/0x360 [ 718.015077] ? syscall_trace_enter+0x563/0xd60 [ 718.015081] ? syscall_slow_exit_work+0x630/0x630 [ 718.015085] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 718.015089] ? trace_hardirqs_off_caller+0x6e/0x210 [ 718.015092] ? do_syscall_64+0x21/0x620 [ 718.015096] ? do_syscall_64+0x486/0x620 [ 718.015100] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 718.015812] Kernel panic - not syncing: hung_task: blocked tasks [ 718.261749] CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 718.269173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 718.278503] Call Trace: [ 718.281074] dump_stack+0x1fc/0x2ef [ 718.284682] panic+0x26a/0x50e [ 718.287858] ? __warn_printk+0xf3/0xf3 [ 718.291731] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.296202] ? ___preempt_schedule+0x16/0x18 [ 718.300598] ? watchdog+0x991/0xe60 [ 718.304205] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 718.309637] watchdog+0x9a2/0xe60 [ 718.313074] ? reset_hung_task_detector+0x30/0x30 [ 718.317897] kthread+0x33f/0x460 [ 718.321247] ? kthread_park+0x180/0x180 [ 718.325203] ret_from_fork+0x24/0x30 [ 718.329167] Kernel Offset: disabled [ 718.332780] Rebooting in 86400 seconds..