Warning: Permanently added '10.128.0.97' (ECDSA) to the list of known hosts. executing program [ 717.529122] INFO: task syz-executor219:8112 blocked for more than 140 seconds. [ 717.536614] Not tainted 4.19.211-syzkaller #0 [ 717.542190] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.550335] syz-executor219 D26960 8112 8110 0x00000004 [ 717.555976] Call Trace: [ 717.558558] __schedule+0x887/0x2040 [ 717.562430] ? io_schedule_timeout+0x140/0x140 [ 717.567029] ? _raw_spin_unlock+0x29/0x40 [ 717.571333] schedule+0x8d/0x1b0 [ 717.574709] fuse_wait_on_page_writeback.isra.0+0x11b/0x170 [ 717.580590] ? fuse_do_ioctl+0x1850/0x1850 [ 717.584832] ? wait_woken+0x250/0x250 [ 717.588623] ? fuse_writepage_locked+0xb63/0x1010 [ 717.593654] ? fuse_writepage_locked+0x1010/0x1010 [ 717.598586] fuse_launder_page+0xb6/0xe0 [ 717.602811] invalidate_inode_pages2_range+0x795/0x1110 [ 717.608191] ? clear_shadow_entry+0x170/0x170 [ 717.612971] ? fuse_file_alloc+0x1d9/0x270 [ 717.617242] ? do_raw_spin_unlock+0x171/0x230 [ 717.621905] ? _raw_spin_unlock+0x29/0x40 [ 717.626083] ? fuse_do_open+0x1c4/0x500 [ 717.630235] fuse_finish_open+0x2e2/0x590 [ 717.634389] fuse_open_common+0x254/0x2c0 [ 717.638528] do_dentry_open+0x4aa/0x1160 [ 717.642760] ? fuse_open_common+0x2c0/0x2c0 [ 717.647088] ? inode_permission.part.0+0x10c/0x450 [ 717.652192] ? chown_common+0x550/0x550 [ 717.656175] ? inode_permission+0x3d/0x140 [ 717.660735] path_openat+0x793/0x2df0 [ 717.664549] ? path_lookupat+0x8d0/0x8d0 [ 717.668645] ? mark_held_locks+0xf0/0xf0 [ 717.672881] ? mark_held_locks+0xf0/0xf0 [ 717.676963] do_filp_open+0x18c/0x3f0 [ 717.680920] ? may_open_dev+0xf0/0xf0 [ 717.684729] ? lock_downgrade+0x720/0x720 [ 717.689165] ? lock_acquire+0x170/0x3c0 [ 717.693225] ? __alloc_fd+0x34/0x570 [ 717.696930] ? do_raw_spin_unlock+0x171/0x230 [ 717.701471] ? _raw_spin_unlock+0x29/0x40 [ 717.705623] ? __alloc_fd+0x28d/0x570 [ 717.709471] do_sys_open+0x3b3/0x520 [ 717.713191] ? filp_open+0x70/0x70 [ 717.716732] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 717.722143] ? trace_hardirqs_off_caller+0x6e/0x210 [ 717.727171] ? do_syscall_64+0x21/0x620 [ 717.731336] do_syscall_64+0xf9/0x620 [ 717.735149] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.740384] RIP: 0033:0x7f25b4d394c9 [ 717.744117] Code: Bad RIP value. [ 717.747466] RSP: 002b:00007f25b4cea2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 717.755220] RAX: ffffffffffffffda RBX: 00007f25b4dca4c0 RCX: 00007f25b4d394c9 [ 717.762558] RDX: 00007f25b4d394c9 RSI: 0000000000000000 RDI: 00000000200001c0 [ 717.769973] RBP: 00007f25b4d97164 R08: 0000000000000000 R09: 0000000000000000 [ 717.777247] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e [ 717.784567] R13: 00007f25b4d93158 R14: 00007f25b4d95160 R15: 00007f25b4dca4c8 [ 717.792020] [ 717.792020] Showing all locks held in the system: [ 717.798356] 1 lock held by khungtaskd/1551: [ 717.802705] #0: 000000000572a998 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 717.811437] 1 lock held by in:imklog/7798: [ 717.815940] #0: 00000000fdba923b (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 [ 717.823998] 2 locks held by syz-executor219/8112: [ 717.828906] #0: 0000000037299fc3 (sb_writers#11){.+.+}, at: mnt_want_write+0x3a/0xb0 [ 717.836902] #1: 00000000f610fa3b (&sb->s_type->i_mutex_key#17){+.+.}, at: fuse_open_common+0x1bc/0x2c0 [ 717.846510] [ 717.848225] ============================================= [ 717.848225] [ 717.855617] NMI backtrace for cpu 1 [ 717.859328] CPU: 1 PID: 1551 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 717.866790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 717.876132] Call Trace: [ 717.878712] dump_stack+0x1fc/0x2ef [ 717.882330] nmi_cpu_backtrace.cold+0x63/0xa2 [ 717.886812] ? lapic_can_unplug_cpu+0x80/0x80 [ 717.891296] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 717.896560] watchdog+0x991/0xe60 [ 717.900011] ? reset_hung_task_detector+0x30/0x30 [ 717.904841] kthread+0x33f/0x460 [ 717.908191] ? kthread_park+0x180/0x180 [ 717.912159] ret_from_fork+0x24/0x30 [ 717.915962] Sending NMI from CPU 1 to CPUs 0: [ 717.920909] NMI backtrace for cpu 0 [ 717.920914] CPU: 0 PID: 4693 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 [ 717.920919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 717.920923] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 [ 717.920933] Code: e8 11 dd 35 00 e9 ab fe ff ff 4c 89 ef e8 04 dd 35 00 e9 23 fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 <65> 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 [ 717.920936] RSP: 0018:ffff8880a0f27b90 EFLAGS: 00000246 [ 717.920943] RAX: 0000000000000000 RBX: ffff8880a13bbc80 RCX: ffffffff8344b76b [ 717.920947] RDX: 0000000000000000 RSI: ffffffff8344ba3e RDI: 0000000000000001 [ 717.920951] RBP: ffff8880a139fe80 R08: 0000000000000000 R09: 0000000000000000 [ 717.920956] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88823b88e2a0 [ 717.920960] R13: ffff88823b88e2a0 R14: 0000000000000000 R15: ffff8880a13bbc80 [ 717.920965] FS: 00007f2e592708c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 717.920968] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 717.920973] CR2: 00007f2e56640018 CR3: 00000000a13c5000 CR4: 00000000003406f0 [ 717.920977] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 717.920981] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 717.920984] Call Trace: [ 717.920987] aa_file_perm+0x46e/0xd20 [ 717.920990] ? seccomp_run_filters+0x18c/0x590 [ 717.920993] ? aa_path_link+0x410/0x410 [ 717.920996] ? __put_seccomp_filter+0xa0/0xa0 [ 717.920999] ? mark_held_locks+0xf0/0xf0 [ 717.921002] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 717.921005] common_file_perm+0x445/0x850 [ 717.921008] ? apparmor_getprocattr+0x11e0/0x11e0 [ 717.921011] ? mark_held_locks+0xf0/0xf0 [ 717.921014] security_file_permission+0x54/0x220 [ 717.921017] rw_verify_area+0x104/0x330 [ 717.921020] vfs_read+0x145/0x3c0 [ 717.921023] ksys_read+0x12b/0x2a0 [ 717.921026] ? kernel_write+0x110/0x110 [ 717.921029] ? trace_hardirqs_off_caller+0x6e/0x210 [ 717.921032] ? do_syscall_64+0x21/0x620 [ 717.921035] do_syscall_64+0xf9/0x620 [ 717.921038] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.921041] RIP: 0033:0x7f2e587ff210 [ 717.921050] Code: 73 01 c3 48 8b 0d 98 7d 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d b9 c1 20 00 00 75 10 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 4e fc ff ff 48 89 04 24 [ 717.921053] RSP: 002b:00007ffcd4f41158 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 717.921061] RAX: ffffffffffffffda RBX: 00007ffcd4f43bd0 RCX: 00007f2e587ff210 [ 717.921083] RDX: 0000000000002000 RSI: 00007ffcd4f419d0 RDI: 0000000000000009 [ 717.921088] RBP: 0000000000000000 R08: 0000000000000008 R09: 000000b8abf7de2f [ 717.921092] R10: 001d62d87617a2fc R11: 0000000000000246 R12: 00007ffcd4f419d0 [ 717.921097] R13: 00007ffcd4f43b28 R14: 0000556bc8fbd958 R15: 0005ed8488bf5d95 [ 717.921569] Kernel panic - not syncing: hung_task: blocked tasks [ 718.197470] CPU: 1 PID: 1551 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 718.205046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 718.214388] Call Trace: [ 718.216968] dump_stack+0x1fc/0x2ef [ 718.220585] panic+0x26a/0x50e [ 718.223765] ? __warn_printk+0xf3/0xf3 [ 718.227640] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.232124] ? ___preempt_schedule+0x16/0x18 [ 718.236523] ? watchdog+0x991/0xe60 [ 718.240138] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 718.245583] watchdog+0x9a2/0xe60 [ 718.249036] ? reset_hung_task_detector+0x30/0x30 [ 718.253868] kthread+0x33f/0x460 [ 718.257241] ? kthread_park+0x180/0x180 [ 718.261205] ret_from_fork+0x24/0x30 [ 718.265291] Kernel Offset: disabled [ 718.268927] Rebooting in 86400 seconds..