[ 25.897212][ T29] audit: type=1400 audit(1734096652.833:81): avc: denied { open } for pid=1632 comm="syz-execprog" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 25.920461][ T29] audit: type=1400 audit(1734096652.833:82): avc: denied { mounton } for pid=1637 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1926 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 25.943094][ T29] audit: type=1400 audit(1734096652.833:83): avc: denied { mount } for pid=1637 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.965209][ T29] audit: type=1400 audit(1734096652.863:84): avc: denied { unmount } for pid=1637 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 26.103605][ T1637] cgroup: Unknown subsys name 'cpuset' [ 26.109559][ T1637] cgroup: Unknown subsys name 'rlimit' [ 26.115189][ T29] audit: type=1400 audit(1734096653.103:85): avc: denied { read } for pid=1408 comm="syslogd" name="log" dev="sda1" ino=1915 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 26.203704][ T29] audit: type=1400 audit(1734096653.193:86): avc: denied { mounton } for pid=1637 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 26.228494][ T29] audit: type=1400 audit(1734096653.193:87): avc: denied { mount } for pid=1637 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 26.251672][ T29] audit: type=1400 audit(1734096653.193:88): avc: denied { create } for pid=1637 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 Warning: Permanently added '10.128.1.176' (ED25519) to the list of known hosts. 2024/12/13 13:31:11 ignoring optional flag "sandboxArg"="0" 2024/12/13 13:31:11 ignoring optional flag "type"="gce" 2024/12/13 13:31:11 parsed 1 programs 2024/12/13 13:31:11 executed programs: 0 [ 44.268690][ T29] kauditd_printk_skb: 12 callbacks suppressed [ 44.268694][ T29] audit: type=1400 audit(1734096671.253:101): avc: denied { create } for pid=2077 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 44.295487][ T29] audit: type=1400 audit(1734096671.253:102): avc: denied { write } for pid=2077 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 44.315980][ T29] audit: type=1400 audit(1734096671.253:103): avc: denied { read } for pid=2077 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 45.232151][ T29] audit: type=1400 audit(1734096672.213:104): avc: denied { read write } for pid=2496 comm="syz-executor.0" name="fuse" dev="devtmpfs" ino=96 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 45.255738][ T29] audit: type=1400 audit(1734096672.213:105): avc: denied { open } for pid=2496 comm="syz-executor.0" path="/dev/fuse" dev="devtmpfs" ino=96 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 45.279175][ T29] audit: type=1400 audit(1734096672.213:106): avc: denied { mounton } for pid=2496 comm="syz-executor.0" path="/root/syzkaller-testdir1412957390/syzkaller.tsw90X/0/file0" dev="sda1" ino=1937 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 189.233070][ T30] INFO: task syz-executor.0:2498 blocked for more than 143 seconds. [ 189.241126][ T30] Not tainted 6.13.0-rc2-syzkaller #0 [ 189.247030][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 189.255798][ T30] task:syz-executor.0 state:D stack:14768 pid:2498 tgid:2496 ppid:2081 flags:0x00000006 [ 189.265967][ T30] Call Trace: [ 189.269223][ T30] [ 189.272131][ T30] __schedule+0x4c4/0xac0 [ 189.276474][ T30] schedule+0x25/0x110 [ 189.280532][ T30] schedule_preempt_disabled+0x13/0x30 [ 189.285991][ T30] rwsem_down_write_slowpath+0x2bb/0x700 [ 189.291593][ T30] down_write_nested+0x7f/0x90 [ 189.296406][ T30] fuse_reverse_inval_entry+0x44/0x210 [ 189.301856][ T30] fuse_dev_do_write+0xe7c/0x13c0 [ 189.306875][ T30] ? update_curr_dl_se+0x2a/0x1a0 [ 189.311866][ T30] ? find_held_lock+0x2b/0x80 [ 189.316523][ T30] fuse_dev_write+0x64/0x90 [ 189.320989][ T30] vfs_write+0x2b0/0x4b0 [ 189.325203][ T30] ksys_write+0x6f/0xf0 [ 189.329321][ T30] do_syscall_64+0x6d/0x170 [ 189.333799][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 189.339654][ T30] RIP: 0033:0x7f950187c859 [ 189.344052][ T30] RSP: 002b:00007f95025a30c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 189.352425][ T30] RAX: ffffffffffffffda RBX: 00007f950199c050 RCX: 00007f950187c859 [ 189.360391][ T30] RDX: 000000000000002c RSI: 00000000200000c0 RDI: 0000000000000003 [ 189.368343][ T30] RBP: 00007f95018d8ad0 R08: 0000000000000000 R09: 0000000000000000 [ 189.376306][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 189.384256][ T30] R13: 000000000000006e R14: 00007f950199c050 R15: 00007ffcf1996f68 [ 189.392194][ T30] [ 189.395195][ T30] [ 189.395195][ T30] Showing all locks held in the system: [ 189.402872][ T30] 1 lock held by khungtaskd/30: [ 189.407698][ T30] #0: ffffffff833e3540 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x36/0x120 [ 189.417500][ T30] 2 locks held by getty/1549: [ 189.422129][ T30] #0: ffff888100ab38a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x23/0x60 [ 189.431815][ T30] #1: ffffc900001fb2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x54b/0x6a0 [ 189.441794][ T30] 1 lock held by syz-executor.0/2081: [ 189.447138][ T30] #0: ffff88817c550148 (&type->i_mutex_dir_key#8){....}-{3:3}, at: walk_component+0xe8/0x170 [ 189.457355][ T30] 2 locks held by syz-executor.0/2497: [ 189.462769][ T30] #0: ffff88817c550148 (&type->i_mutex_dir_key#8){....}-{3:3}, at: walk_component+0xe8/0x170 [ 189.472979][ T30] #1: ffff88817c550608 (&fi->mutex){....}-{3:3}, at: fuse_lock_inode+0x30/0x40 [ 189.481977][ T30] 2 locks held by syz-executor.0/2498: [ 189.487419][ T30] #0: ffff8881067b0748 (&fc->killsb){....}-{3:3}, at: fuse_dev_do_write+0xe62/0x13c0 [ 189.496947][ T30] #1: ffff88817c550148 (&type->i_mutex_dir_key#8/1){....}-{3:3}, at: fuse_reverse_inval_entry+0x44/0x210 [ 189.508225][ T30] [ 189.510520][ T30] ============================================= [ 189.510520][ T30] [ 189.518911][ T30] NMI backtrace for cpu 0 [ 189.523209][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc2-syzkaller #0 [ 189.531920][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 189.541938][ T30] Call Trace: [ 189.545194][ T30] [ 189.548094][ T30] dump_stack_lvl+0x5a/0x90 [ 189.552565][ T30] nmi_cpu_backtrace+0xd4/0x110 [ 189.557380][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 189.563316][ T30] nmi_trigger_cpumask_backtrace+0xd5/0x140 [ 189.569160][ T30] watchdog+0x63b/0x670 [ 189.573277][ T30] ? __pfx_watchdog+0x10/0x10 [ 189.577906][ T30] kthread+0xd6/0x100 [ 189.581840][ T30] ? __pfx_kthread+0x10/0x10 [ 189.586383][ T30] ret_from_fork+0x2c/0x50 [ 189.590751][ T30] ? __pfx_kthread+0x10/0x10 [ 189.595307][ T30] ret_from_fork_asm+0x1a/0x30 [ 189.600024][ T30] [ 189.603053][ T30] Sending NMI from CPU 0 to CPUs 1: [ 189.608231][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x1a/0x20 [ 189.609217][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 189.624341][ T30] Kernel Offset: disabled [ 189.628624][ T30] Rebooting in 86400 seconds..