ci-upstream-kasan-gce-selinux-root/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-kasan-gce-selinux-root/syz-executor2910804940 <...> Warning: Permanently added '10.128.0.205' (ED25519) to the list of known hosts. execve("ci-upstream-kasan-gce-selinux-root/syz-executor2910804940", ["ci-upstream-kasan-gce-selinux-root/syz-executor2910804940"], 0x7ffe11cc91f0 /* 10 vars */) = 0 brk(NULL) = 0x555565216000 brk(0x555565216d80) = 0x555565216d80 arch_prctl(ARCH_SET_FS, 0x555565216400) = 0 set_tid_address(0x5555652166d0) = 5622 set_robust_list(0x5555652166e0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-kasan-gce-selinux-root/syz-executor2910804940", 4096) = 63 getrandom("\xc8\xbe\x9a\x6e\x86\x20\x12\xb0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555565216d80 brk(0x555565237d80) = 0x555565237d80 brk(0x555565238000) = 0x555565238000 mprotect(0x7faf46072000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555652166d0) = 5623 ci-upstream-kasan-gce-selinux-root/strace-static-x86_64: Process 5623 attached [pid 5623] set_robust_list(0x5555652166e0, 24 [pid 5622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5623] <... set_robust_list resumed>) = 0 [pid 5623] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5623] setpgid(0, 0) = 0 [pid 5623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 63.629334][ T30] kauditd_printk_skb: 7 callbacks suppressed [ 63.629349][ T30] audit: type=1400 audit(1785892819.527:129): avc: denied { execmem } for pid=5622 comm="syz-executor291" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5623] write(3, "1000", 4) = 4 [pid 5623] close(3) = 0 [pid 5623] write(1, "executing program\n", 18) = 18 executing program [pid 5623] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5623] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5623] mkdirat(AT_FDCWD, "./config/dlm/cluster", 0777) = 0 [pid 5623] mkdirat(AT_FDCWD, "./config/dlm/cluster/comms/1", 0777) = 0 [pid 5623] openat(AT_FDCWD, "./config/dlm/cluster/comms/1/local", O_RDWR) = 3 [pid 5623] write(3, "\x31\x00", 2) = 2 [pid 5623] openat(AT_FDCWD, "./config/dlm/cluster/comms/1/addr", O_WRONLY) = 4 [ 63.730165][ T30] audit: type=1400 audit(1785892819.627:130): avc: denied { mounton } for pid=5623 comm="syz-executor291" path="/root/config" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 63.753166][ T30] audit: type=1400 audit(1785892819.627:131): avc: denied { mount } for pid=5623 comm="syz-executor291" name="/" dev="configfs" ino=1064 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=filesystem permissive=1 [pid 5623] write(4, "\x02\x00\x00\x00\x7f\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 128) = 128 [pid 5623] openat(AT_FDCWD, "/dev/dlm-control", O_RDWR) = 5 [ 63.776320][ T30] audit: type=1400 audit(1785892819.637:132): avc: denied { search } for pid=5623 comm="syz-executor291" name="/" dev="configfs" ino=1064 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 63.798821][ T30] audit: type=1400 audit(1785892819.637:133): avc: denied { search } for pid=5623 comm="syz-executor291" name="dlm" dev="configfs" ino=69 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 63.813802][ T5623] dlm: Using TCP for communications [ 63.821976][ T30] audit: type=1400 audit(1785892819.637:134): avc: denied { write search } for pid=5623 comm="syz-executor291" name="dlm" dev="configfs" ino=69 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 63.830265][ T5623] dlm: foo: joining the lockspace group... [ 63.856571][ T30] audit: type=1400 audit(1785892819.637:135): avc: denied { add_name } for pid=5623 comm="syz-executor291" name="cluster" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 63.877734][ T30] audit: type=1400 audit(1785892819.637:136): avc: denied { create } for pid=5623 comm="syz-executor291" name="cluster" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:configfs_t tclass=dir permissive=1 [ 63.898342][ T30] audit: type=1400 audit(1785892819.647:137): avc: denied { search } for pid=5623 comm="syz-executor291" name="/" dev="configfs" ino=1064 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [ 63.920843][ T30] audit: type=1400 audit(1785892819.647:138): avc: denied { search } for pid=5623 comm="syz-executor291" name="dlm" dev="configfs" ino=69 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:configfs_t tclass=dir permissive=1 [pid 5623] write(5, "\x06\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x04\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x66\x6f\x6f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 128 [pid 5622] kill(-5623, SIGKILL) = 0 [pid 5622] kill(5623, SIGKILL) = 0 [pid 5622] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5622] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5622] getdents64(3, 0x5555652177b0 /* 2 entries */, 32768) = 48 [pid 5622] getdents64(3, 0x5555652177b0 /* 0 entries */, 32768) = 0 [pid 5622] close(3) = 0 [ 81.165298][ T24] cfg80211: failed to load regulatory.db [ 285.964022][ T31] INFO: task syz-executor291:5623 blocked for more than 143 seconds. [ 285.972517][ T31] Not tainted syzkaller #0 [ 285.977491][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.986293][ T31] task:syz-executor291 state:D stack:26184 pid:5623 tgid:5623 ppid:5622 task_flags:0x400140 flags:0x00080002 [ 285.998259][ T31] Call Trace: [ 286.001527][ T31] [ 286.004469][ T31] __schedule+0x125c/0x6730 [ 286.008995][ T31] ? __pfx___schedule+0x10/0x10 [ 286.013848][ T31] ? find_held_lock+0x2b/0x80 [ 286.018514][ T31] ? schedule+0x225/0x2c0 [ 286.022818][ T31] schedule+0xdd/0x2c0 [ 286.026894][ T31] do_uevent+0x427/0x530 [ 286.031149][ T31] ? __pfx_do_uevent+0x10/0x10 [ 286.035914][ T31] ? __dlm_new_lockspace+0x1689/0x1fa0 [ 286.041365][ T31] ? dlm_new_user_lockspace+0x60/0x90 [ 286.046735][ T31] ? device_write+0x930/0x1c90 [ 286.051493][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 286.057604][ T31] __dlm_new_lockspace+0x1698/0x1fa0 [ 286.062883][ T31] ? __pfx___dlm_new_lockspace+0x10/0x10 [ 286.068529][ T31] ? find_held_lock+0x2b/0x80 [ 286.073198][ T31] ? rcu_is_watching+0x12/0xc0 [ 286.077965][ T31] dlm_new_user_lockspace+0x60/0x90 [ 286.083160][ T31] device_write+0x930/0x1c90 [ 286.087810][ T31] ? avc_policy_seqno+0x9/0x20 [ 286.092579][ T31] ? __pfx_device_write+0x10/0x10 [ 286.097632][ T31] ? bpf_lsm_file_permission+0x9/0x10 [ 286.103028][ T31] ? security_file_permission+0x76/0x210 [ 286.108686][ T31] ? rw_verify_area+0xce/0x6d0 [ 286.113449][ T31] vfs_write+0x2aa/0x1050 [ 286.117810][ T31] ? __pfx_device_write+0x10/0x10 [ 286.122825][ T31] ? _raw_spin_lock_irq+0x45/0x50 [ 286.127860][ T31] ? __pfx_vfs_write+0x10/0x10 [ 286.132625][ T31] ? ptrace_stop+0x61c/0xb00 [ 286.137225][ T31] ? ptrace_do_notify+0x179/0x1f0 [ 286.142253][ T31] ? __pfx_ptrace_do_notify+0x10/0x10 [ 286.147631][ T31] ksys_write+0x12a/0x250 [ 286.151961][ T31] ? __pfx_ksys_write+0x10/0x10 [ 286.156817][ T31] ? rcu_is_watching+0x12/0xc0 [ 286.161580][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.166785][ T31] ? lockdep_hardirqs_on+0x78/0x100 [ 286.171978][ T31] do_syscall_64+0x115/0x870 [ 286.176569][ T31] ? clear_bhb_loop+0x40/0x90 [ 286.181239][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.187132][ T31] RIP: 0033:0x7faf45fdf6c9 [ 286.191535][ T31] RSP: 002b:00007ffc57d9a3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 286.199968][ T31] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007faf45fdf6c9 [ 286.207960][ T31] RDX: 0000000000000080 RSI: 0000200000000d00 RDI: 0000000000000005 [ 286.215938][ T31] RBP: 6769666e6f632f2e R08: 0000000000000006 R09: 0000000000000006 [ 286.223912][ T31] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffc57d9a518 [ 286.231855][ T31] R13: 0000200000000008 R14: 00007faf46072c40 R15: 0000000000000002 [ 286.239856][ T31] [ 286.242872][ T31] [ 286.242872][ T31] Showing all locks held in the system: [ 286.250604][ T31] 1 lock held by khungtaskd/31: [ 286.255478][ T31] #0: ffffffff8ebe8200 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184 [ 286.265342][ T31] 5 locks held by kworker/u8:2/36: [ 286.270435][ T31] #0: ffff8880b843b520 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x140 [ 286.280353][ T31] #1: ffff8880b8424568 (psi_seq){-.-.}-{0:0}, at: __schedule+0x2e8e/0x6730 [ 286.289074][ T31] #2: ffff8880b8426298 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x124/0x1d0 [ 286.298394][ T31] #3: ffffffff9b978ca0 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x144/0x4b0 [ 286.308783][ T31] #4: ffffffff8ea99840 (text_mutex){+.+.}-{4:4}, at: arch_jump_label_transform_apply+0x17/0x30 [ 286.319247][ T31] 1 lock held by klogd/4968: [ 286.323835][ T31] #0: ffff8880b843b520 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x140 [ 286.333725][ T31] 2 locks held by getty/5376: [ 286.338392][ T31] #0: ffff8880357b10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 286.348146][ T31] #1: ffffc900032332e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x14e0 [ 286.358235][ T31] 1 lock held by syz-executor291/5623: [ 286.363694][ T31] #0: ffffffff9b7cf4c0 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xb8/0x1fa0 [ 286.373111][ T31] 1 lock held by dlm_recoverd/5625: [ 286.378304][ T31] #0: ffff888079814a18 (&ls->ls_in_recovery){+.+.}-{4:4}, at: dlm_recoverd+0xbd/0x1f90 [ 286.388052][ T31] [ 286.390379][ T31] ============================================= [ 286.390379][ T31] [ 286.398791][ T31] NMI backtrace for cpu 1 [ 286.398803][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 286.398822][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 286.398832][ T31] Call Trace: [ 286.398837][ T31] [ 286.398842][ T31] dump_stack_lvl+0x100/0x190 [ 286.398860][ T31] nmi_cpu_backtrace.cold+0x12d/0x151 [ 286.398878][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 286.398898][ T31] nmi_trigger_cpumask_backtrace+0x21c/0x2a0 [ 286.398913][ T31] sys_info+0x141/0x190 [ 286.398932][ T31] watchdog+0xcb1/0x1030 [ 286.398952][ T31] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 286.398967][ T31] ? __pfx_watchdog+0x10/0x10 [ 286.398984][ T31] ? __kthread_parkme+0x18c/0x230 [ 286.399005][ T31] ? kthread+0x13a/0x450 [ 286.399017][ T31] ? __pfx_watchdog+0x10/0x10 [ 286.399031][ T31] kthread+0x370/0x450 [ 286.399043][ T31] ? __pfx_kthread+0x10/0x10 [ 286.399057][ T31] ret_from_fork+0x72b/0xd50 [ 286.399077][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 286.399097][ T31] ? __switch_to+0x800/0x10f0 [ 286.399111][ T31] ? __pfx_kthread+0x10/0x10 [ 286.399125][ T31] ret_from_fork_asm+0x1a/0x30 [ 286.399152][ T31] [ 286.399159][ T31] Sending NMI from CPU 1 to CPUs 0: [ 286.524325][ C0] NMI backtrace for cpu 0 [ 286.524337][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 286.524353][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 286.524361][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 286.524379][ C0] Code: d6 8b 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 5f 10 00 fb f4 3c 4a 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 286.524391][ C0] RSP: 0018:ffffffff8e807e10 EFLAGS: 00000246 [ 286.524403][ C0] RAX: 00000000000c7b8b RBX: ffffffff8e891480 RCX: ffffffff8bbb42d5 [ 286.524412][ C0] RDX: 0000000000000000 RSI: ffffffff8e1a8186 RDI: ffffffff8c402680 [ 286.524420][ C0] RBP: fffffbfff1d12290 R08: 0000000000000001 R09: ffffed101708678d [ 286.524429][ C0] R10: ffff8880b8433c6b R11: 0000000000000000 R12: 0000000000000000 [ 286.524437][ C0] R13: 0000000000000000 R14: 1ffffffff1d00fc6 R15: dffffc0000000000 [ 286.524445][ C0] FS: 0000000000000000(0000) GS:ffff888123dd8000(0000) knlGS:0000000000000000 [ 286.524459][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.524468][ C0] CR2: 0000558a95fb1660 CR3: 000000000e994000 CR4: 00000000003526f0 [ 286.524476][ C0] Call Trace: [ 286.524482][ C0] [ 286.524486][ C0] default_idle+0x9/0x10 [ 286.524504][ C0] default_idle_call+0x6c/0xb0 [ 286.524521][ C0] do_idle+0x3a7/0x5b0 [ 286.524540][ C0] ? __pfx_do_idle+0x10/0x10 [ 286.524557][ C0] ? rest_init+0x23d/0x260 [ 286.524577][ C0] cpu_startup_entry+0x4f/0x60 [ 286.524595][ C0] rest_init+0x251/0x260 [ 286.524613][ C0] ? __pfx_x86_late_time_init+0x10/0x10 [ 286.524634][ C0] start_kernel+0x48e/0x490 [ 286.524653][ C0] x86_64_start_reservations+0x24/0x30 [ 286.524672][ C0] x86_64_start_kernel+0x12b/0x130 [ 286.524691][ C0] common_startup_64+0x13e/0x158 [ 286.524716][ C0] [ 286.525320][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 286.525332][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 286.525349][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 286.525358][ T31] Call Trace: [ 286.525364][ T31] [ 286.525370][ T31] dump_stack_lvl+0x100/0x190 [ 286.525392][ T31] vpanic+0x552/0x970 [ 286.525407][ T31] ? __pfx_vpanic+0x10/0x10 [ 286.525422][ T31] ? nmi_trigger_cpumask_backtrace+0x1c7/0x2a0 [ 286.525439][ T31] ? rcu_is_watching+0x12/0xc0 [ 286.525465][ T31] panic+0xd1/0xe0 [ 286.525479][ T31] ? __pfx_panic+0x10/0x10 [ 286.525495][ T31] ? wq_watchdog_touch+0xec/0x1a0 [ 286.525520][ T31] ? nmi_trigger_cpumask_backtrace+0x203/0x2a0 [ 286.525535][ T31] ? watchdog.cold+0x1ec/0x234 [ 286.525552][ T31] ? watchdog+0xcc1/0x1030 [ 286.525575][ T31] watchdog.cold+0x1fd/0x234 [ 286.525597][ T31] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 286.525614][ T31] ? __pfx_watchdog+0x10/0x10 [ 286.525633][ T31] ? __kthread_parkme+0x18c/0x230 [ 286.525656][ T31] ? kthread+0x13a/0x450 [ 286.525671][ T31] ? __pfx_watchdog+0x10/0x10 [ 286.525687][ T31] kthread+0x370/0x450 [ 286.525702][ T31] ? __pfx_kthread+0x10/0x10 [ 286.525718][ T31] ret_from_fork+0x72b/0xd50 [ 286.525741][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 286.525763][ T31] ? __switch_to+0x800/0x10f0 [ 286.525779][ T31] ? __pfx_kthread+0x10/0x10 [ 286.525795][ T31] ret_from_fork_asm+0x1a/0x30 [ 286.525826][ T31] [ 286.855987][ T31] Kernel Offset: disabled [ 286.860284][ T31] Rebooting in 86400 seconds..