Warning: Permanently added '10.128.1.170' (ED25519) to the list of known hosts. executing program [ 681.038443][ T28] audit: type=1400 audit(1713122173.881:87): avc: denied { execmem } for pid=5094 comm="syz-executor140" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 681.061922][ T28] audit: type=1400 audit(1713122173.881:88): avc: denied { read write } for pid=5094 comm="syz-executor140" name="loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 681.075537][ T5096] loop0: detected capacity change from 0 to 256 [ 681.088441][ T28] audit: type=1400 audit(1713122173.881:89): avc: denied { open } for pid=5094 comm="syz-executor140" path="/dev/loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 681.117866][ T28] audit: type=1400 audit(1713122173.881:90): avc: denied { ioctl } for pid=5094 comm="syz-executor140" path="/dev/loop0" dev="devtmpfs" ino=648 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 681.144065][ T28] audit: type=1400 audit(1713122173.971:91): avc: denied { mounton } for pid=5095 comm="syz-executor140" path="/root/syzkaller.klPveX/0/file0" dev="sda1" ino=1929 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 681.151457][ T5096] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0x4f9d414f, utbl_chksum : 0xe619d30d) [ 681.185473][ T28] audit: type=1400 audit(1713122174.031:92): avc: denied { mount } for pid=5095 comm="syz-executor140" name="/" dev="loop0" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 860.325952][ T29] INFO: task syz-executor140:5096 blocked for more than 143 seconds. [ 860.334191][ T29] Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 860.342827][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 860.351834][ T29] task:syz-executor140 state:D stack:26832 pid:5096 tgid:5095 ppid:5094 flags:0x00000006 [ 860.362390][ T29] Call Trace: [ 860.365688][ T29] [ 860.369061][ T29] __schedule+0xf15/0x5c70 [ 860.373647][ T29] ? __pfx___lock_acquire+0x10/0x10 [ 860.379281][ T29] ? hlock_class+0x4e/0x130 [ 860.383822][ T29] ? mark_lock+0xb5/0xc60 [ 860.388835][ T29] ? __pfx___schedule+0x10/0x10 [ 860.393727][ T29] ? schedule+0x298/0x350 [ 860.398504][ T29] ? __pfx_lock_release+0x10/0x10 [ 860.403565][ T29] ? __down_write_common+0x8a1/0x13f0 [ 860.409398][ T29] schedule+0xe7/0x350 [ 860.413497][ T29] schedule_preempt_disabled+0x13/0x30 [ 860.419488][ T29] __down_write_common+0x950/0x13f0 [ 860.424716][ T29] ? lock_acquire+0x1b1/0x540 [ 860.429894][ T29] ? __pfx___down_write_common+0x10/0x10 [ 860.435556][ T29] ? mnt_get_write_access+0x20c/0x300 [ 860.441482][ T29] filename_create+0x1c2/0x530 [ 860.446950][ T29] ? __pfx_filename_create+0x10/0x10 [ 860.452264][ T29] ? __virt_addr_valid+0x5e/0x580 [ 860.458074][ T29] do_mkdirat+0xab/0x3a0 [ 860.462348][ T29] ? __pfx_do_mkdirat+0x10/0x10 [ 860.467677][ T29] ? getname_flags.part.0+0x1e1/0x4f0 [ 860.473085][ T29] __x64_sys_mkdir+0xf1/0x140 [ 860.478235][ T29] do_syscall_64+0xd2/0x260 [ 860.482857][ T29] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.489344][ T29] RIP: 0033:0x7f09cb287a99 [ 860.493778][ T29] RSP: 002b:00007f09cb23e218 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 860.502609][ T29] RAX: ffffffffffffffda RBX: 00007f09cb3106c8 RCX: 00007f09cb287a99 [ 860.510880][ T29] RDX: 00007f09cb287a99 RSI: 0000000000000000 RDI: 0000000020000000 [ 860.519160][ T29] RBP: 00007f09cb3106c0 R08: 0000000000000000 R09: 0000000000000000 [ 860.527481][ T29] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f09cb3106cc [ 860.535471][ T29] R13: 00007f09cb2dc0c0 R14: 0000000020004ac0 R15: 0030656c69662f2e [ 860.543907][ T29] [ 860.547238][ T29] [ 860.547238][ T29] Showing all locks held in the system: [ 860.554964][ T29] 1 lock held by khungtaskd/29: [ 860.560470][ T29] #0: ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 [ 860.570927][ T29] 2 locks held by kworker/u8:2/41: [ 860.576616][ T29] #0: ffff8880b953e698 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 [ 860.586985][ T29] #1: ffff8880b9528a08 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2d9/0x900 [ 860.598783][ T29] 2 locks held by getty/4811: [ 860.603472][ T29] #0: ffff88802e60a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 860.613877][ T29] #1: ffffc900015e02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 [ 860.624316][ T29] 2 locks held by syz-executor140/5096: [ 860.630173][ T29] #0: ffff88802ab6c420 (sb_writers#10){.+.+}-{0:0}, at: filename_create+0x10d/0x530 [ 860.640100][ T29] #1: ffff8880771f82b8 (&sb->s_type->i_mutex_key#15/1){+.+.}-{3:3}, at: filename_create+0x1c2/0x530 [ 860.651352][ T29] 3 locks held by syz-executor140/5098: [ 860.657186][ T29] [ 860.659519][ T29] ============================================= [ 860.659519][ T29] [ 860.668587][ T29] NMI backtrace for cpu 1 [ 860.672928][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 860.682404][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 860.692481][ T29] Call Trace: [ 860.695771][ T29] [ 860.698716][ T29] dump_stack_lvl+0x116/0x1f0 [ 860.703483][ T29] nmi_cpu_backtrace+0x27b/0x390 [ 860.708467][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 860.714477][ T29] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 860.720491][ T29] watchdog+0xf86/0x1210 [ 860.724850][ T29] ? __pfx_watchdog+0x10/0x10 [ 860.729554][ T29] ? lockdep_hardirqs_on+0x7c/0x110 [ 860.734815][ T29] ? __kthread_parkme+0x148/0x220 [ 860.739871][ T29] ? __pfx_watchdog+0x10/0x10 [ 860.744572][ T29] kthread+0x2c1/0x3a0 [ 860.748674][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 860.753894][ T29] ? __pfx_kthread+0x10/0x10 [ 860.758539][ T29] ret_from_fork+0x45/0x80 [ 860.763005][ T29] ? __pfx_kthread+0x10/0x10 [ 860.767622][ T29] ret_from_fork_asm+0x1a/0x30 [ 860.772434][ T29] [ 860.775600][ T29] Sending NMI from CPU 1 to CPUs 0: [ 860.780865][ C0] NMI backtrace for cpu 0 [ 860.780876][ C0] CPU: 0 PID: 5098 Comm: syz-executor140 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 860.780898][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 860.780909][ C0] RIP: 0010:lockdep_hardirqs_on_prepare+0x5d/0x420 [ 860.780943][ C0] Code: 00 44 8b 0d dd a4 33 0e 45 85 c9 0f 84 4f 01 00 00 65 8b 05 5d d5 98 7e a9 00 00 f0 00 0f 85 3d 01 00 00 65 8b 05 cb 8c 97 7e <85> c0 0f 85 2e 01 00 00 65 8b 05 d0 89 97 7e 85 c0 0f 85 1f 01 00 [ 860.780961][ C0] RSP: 0018:ffffc9000335f688 EFLAGS: 00000046 [ 860.780978][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff1f3d467 [ 860.780991][ C0] RDX: 0000000000000000 RSI: ffffffff8b6e8820 RDI: ffffffff8d233b20 [ 860.781004][ C0] RBP: ffff888077167cb0 R08: 0000000000000000 R09: 0000000000000001 [ 860.781017][ C0] R10: ffffffff8f9e6f97 R11: 0000000000000003 R12: 0000000000000000 [ 860.781029][ C0] R13: ffff888077167cb0 R14: 00000000000392c0 R15: fffffffffffffff8 [ 860.781043][ C0] FS: 00007f09cb21d6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 860.781064][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 860.781078][ C0] CR2: 000055e26dcf8400 CR3: 0000000025d4e000 CR4: 00000000003506f0 [ 860.781091][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 860.781103][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 860.781116][ C0] Call Trace: [ 860.781123][ C0] [ 860.781130][ C0] ? show_regs+0x8c/0xa0 [ 860.781166][ C0] ? nmi_cpu_backtrace+0x1d8/0x390 [ 860.781189][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 860.781217][ C0] ? nmi_handle+0x1a9/0x580 [ 860.781236][ C0] ? lockdep_hardirqs_on_prepare+0x5d/0x420 [ 860.781265][ C0] ? default_do_nmi+0x6a/0x160 [ 860.781287][ C0] ? exc_nmi+0x170/0x1e0 [ 860.781308][ C0] ? end_repeat_nmi+0xf/0x53 [ 860.781339][ C0] ? lockdep_hardirqs_on_prepare+0x5d/0x420 [ 860.781368][ C0] ? lockdep_hardirqs_on_prepare+0x5d/0x420 [ 860.781397][ C0] ? lockdep_hardirqs_on_prepare+0x5d/0x420 [ 860.781425][ C0] [ 860.781431][ C0] [ 860.781438][ C0] trace_hardirqs_on+0x36/0x40 [ 860.781537][ C0] __find_get_block+0x4af/0xc70 [ 860.781595][ C0] bdev_getblk+0x2c/0xc0 [ 860.781620][ C0] __bread_gfp+0xa9/0x370 [ 860.781641][ C0] exfat_ent_get+0x1ce/0x480 [ 860.781728][ C0] exfat_readdir+0x11f8/0x1520 [ 860.781752][ C0] ? mark_lock+0xb5/0xc60 [ 860.781777][ C0] ? __pfx_exfat_readdir+0x10/0x10 [ 860.781800][ C0] ? hlock_class+0x4e/0x130 [ 860.781824][ C0] ? add_lock_to_list+0x17d/0x380 [ 860.781858][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 860.781884][ C0] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 860.781912][ C0] ? filldir64+0x268/0x5d0 [ 860.781934][ C0] exfat_iterate+0x3c2/0xad0 [ 860.781957][ C0] ? __pfx_exfat_iterate+0x10/0x10 [ 860.781981][ C0] ? __pfx___might_resched+0x10/0x10 [ 860.782002][ C0] ? down_read_killable+0xcc/0x380 [ 860.782032][ C0] ? __pfx_exfat_iterate+0x10/0x10 [ 860.782053][ C0] wrap_directory_iterator+0xa5/0xe0 [ 860.782076][ C0] iterate_dir+0x292/0x9e0 [ 860.782098][ C0] __x64_sys_getdents64+0x14f/0x2e0 [ 860.782121][ C0] ? __pfx___x64_sys_getdents64+0x10/0x10 [ 860.782144][ C0] ? __pfx_filldir64+0x10/0x10 [ 860.782166][ C0] do_syscall_64+0xd2/0x260 [ 860.782195][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 860.782224][ C0] RIP: 0033:0x7f09cb287a99 [ 860.782240][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 860.782259][ C0] RSP: 002b:00007f09cb21d218 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 860.782278][ C0] RAX: ffffffffffffffda RBX: 00007f09cb3106d8 RCX: 00007f09cb287a99 [ 860.782291][ C0] RDX: 0000000000000098 RSI: 0000000020000080 RDI: 0000000000000004 [ 860.782304][ C0] RBP: 00007f09cb3106d0 R08: 0000000000000000 R09: 0000000000000000 [ 860.782316][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f09cb3106dc [ 860.782329][ C0] R13: 00007f09cb2dc0c0 R14: 0000000020004ac0 R15: 0030656c69662f2e [ 860.782346][ C0] [ 860.782353][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.488 msecs [ 861.194197][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 861.201065][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 861.210545][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 861.220618][ T29] Call Trace: [ 861.223919][ T29] [ 861.226863][ T29] dump_stack_lvl+0x3d/0x1f0 [ 861.231477][ T29] panic+0x6f5/0x7a0 [ 861.235425][ T29] ? __pfx_panic+0x10/0x10 [ 861.239889][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 861.245288][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 861.251294][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 861.256692][ T29] ? watchdog+0xd3d/0x1210 [ 861.261136][ T29] ? watchdog+0xd30/0x1210 [ 861.265575][ T29] watchdog+0xd4e/0x1210 [ 861.269850][ T29] ? __pfx_watchdog+0x10/0x10 [ 861.274726][ T29] ? lockdep_hardirqs_on+0x7c/0x110 [ 861.279960][ T29] ? __kthread_parkme+0x148/0x220 [ 861.285005][ T29] ? __pfx_watchdog+0x10/0x10 [ 861.289706][ T29] kthread+0x2c1/0x3a0 [ 861.293797][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 861.299015][ T29] ? __pfx_kthread+0x10/0x10 [ 861.303630][ T29] ret_from_fork+0x45/0x80 [ 861.308071][ T29] ? __pfx_kthread+0x10/0x10 [ 861.312686][ T29] ret_from_fork_asm+0x1a/0x30 [ 861.317475][ T29] [ 861.320673][ T29] Kernel Offset: disabled [ 861.324984][ T29] Rebooting in 86400 seconds..