[ 267.933610][ C0] ? security_file_permission+0x40/0x2f0 [ 267.939086][ C0] ? vfs_write+0x206/0x4e0 [ 267.943702][ C0] ? ksys_write+0x199/0x2c0 [ 267.948125][ C0] ? debug_smp_processor_id+0x20/0x20 [ 267.953318][ C0] ? __ia32_sys_read+0x80/0x80 [ 267.957920][ C0] ? do_syscall_64+0xca/0x1c0 [ 267.962443][ C0] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 354.134844][ T23] audit: type=1400 audit(1694260549.880:151): avc: denied { remove_name } for pid=145 comm="syslogd" name="messages" dev="tmpfs" ino=1006 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 354.158029][ T23] audit: type=1400 audit(1694260549.880:152): avc: denied { rename } for pid=145 comm="syslogd" name="messages" dev="tmpfs" ino=1006 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 354.180915][ T23] audit: type=1400 audit(1694260549.880:153): avc: denied { create } for pid=145 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 Warning: Permanently added '10.128.0.212' (ED25519) to the list of known hosts. [ 420.341346][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.3:2052] [ 420.350018][ C0] Modules linked in: [ 420.353765][ C0] CPU: 0 PID: 2052 Comm: syz-executor.3 Not tainted 5.4.249-syzkaller-04712-g50533a8b511b #0 [ 420.363908][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 420.374145][ C0] RIP: 0010:check_memory_region+0x6/0x280 [ 420.379905][ C0] Code: 41 5e 41 5f 5d c3 48 c7 c7 73 27 59 85 eb 0a 48 c7 c7 ab 27 59 85 4c 89 fe e8 05 df ba 02 31 db eb d7 90 90 55 41 57 41 56 53 01 48 85 f6 0f 84 8e 01 00 00 48 89 fd 48 c1 ed 2f 81 fd ff ff [ 420.400633][ C0] RSP: 0018:ffff8881da2d6e90 EFLAGS: 00000256 ORIG_RAX: ffffffffffffff13 [ 420.409050][ C0] RAX: 1ffff1103b45ae01 RBX: 0000000000000010 RCX: ffffffff8179f5a0 [ 420.416861][ C0] RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffff8881ef79f1e8 [ 420.424866][ C0] RBP: ffff8881da2d7070 R08: dffffc0000000000 R09: ffffed103b45adfa [ 420.432696][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8179f5a0 [ 420.440937][ C0] R13: dffffc0000000000 R14: ffff8881da2d6fc0 R15: ffff8881ef79f1e8 [ 420.449619][ C0] FS: 00007fec350126c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 420.458648][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 420.465415][ C0] CR2: 00000000201251ff CR3: 00000001edeef000 CR4: 00000000003406b0 [ 420.473389][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 420.481282][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 420.489282][ C0] Call Trace: [ 420.492405][ C0] [ 420.495297][ C0] ? watchdog_timer_fn+0x53d/0x600 [ 420.500320][ C0] ? proc_watchdog_cpumask+0xc0/0xc0 [ 420.505533][ C0] ? __hrtimer_run_queues+0x3e9/0xb90 [ 420.510828][ C0] ? hrtimer_interrupt+0x890/0x890 [ 420.515946][ C0] ? ktime_get+0xf9/0x130 [ 420.520131][ C0] ? ktime_get_update_offsets_now+0x26c/0x280 [ 420.526164][ C0] ? hrtimer_interrupt+0x38a/0x890 [ 420.531200][ C0] ? smp_apic_timer_interrupt+0x110/0x460 [ 420.536838][ C0] ? apic_timer_interrupt+0xf/0x20 [ 420.541870][ C0] [ 420.544679][ C0] ? perf_output_read+0xfb0/0x1290 [ 420.549731][ C0] ? perf_output_read+0xfb0/0x1290 [ 420.554790][ C0] ? check_memory_region+0x6/0x280 [ 420.559725][ C0] memcpy+0x38/0x50 [ 420.563458][ C0] perf_output_read+0xfb0/0x1290 [ 420.568332][ C0] ? perf_output_sample+0x1e00/0x1e00 [ 420.573802][ C0] ? perf_output_begin_forward+0x5d6/0x9c0 [ 420.579423][ C0] ? perf_output_copy+0x24c/0x260 [ 420.584367][ C0] perf_output_sample+0x327/0x1e00 [ 420.589319][ C0] ? unwind_get_return_address_ptr+0xa0/0xa0 [ 420.595141][ C0] ? get_perf_callchain+0x71b/0x960 [ 420.600269][ C0] ? perf_event__output_id_sample+0x1e0/0x1e0 [ 420.606157][ C0] ? put_callchain_buffers+0x60/0x60 [ 420.611287][ C0] ? __perf_event_header__init_id+0x40f/0x510 [ 420.617262][ C0] ? perf_prepare_sample+0x348/0x1500 [ 420.622678][ C0] ? perf_prepare_sample+0xdd1/0x1500 [ 420.627971][ C0] ? perf_callchain+0x190/0x190 [ 420.632659][ C0] perf_event_output_forward+0x141/0x1b0 [ 420.638874][ C0] ? perf_prepare_sample+0x1500/0x1500 [ 420.644269][ C0] ? check_preemption_disabled+0x153/0x320 [ 420.649984][ C0] ? stack_trace_save+0x118/0x1c0 [ 420.654926][ C0] ? check_preemption_disabled+0x153/0x320 [ 420.660567][ C0] ? __perf_event_account_interrupt+0x17e/0x2a0 [ 420.666683][ C0] __perf_event_overflow+0x1d7/0x360 [ 420.672106][ C0] ___perf_sw_event+0x3af/0x4b0 [ 420.676805][ C0] ? handle_mm_fault+0x1c93/0x4840 [ 420.681813][ C0] ? perf_swevent_put_recursion_context+0xb0/0xb0 [ 420.688069][ C0] ? check_preemption_disabled+0x9f/0x320 [ 420.693631][ C0] ? debug_smp_processor_id+0x20/0x20 [ 420.699211][ C0] ? __do_page_fault+0xb8a/0xbb0 [ 420.703970][ C0] __perf_sw_event+0x146/0x290 [ 420.708914][ C0] page_fault+0x2f/0x40 [ 420.712999][ C0] ? iov_iter_advance+0xb6/0xb20 [ 420.717787][ C0] ? iov_iter_fault_in_readable+0x25f/0x4c0 [ 420.723579][ C0] ? iov_iter_fault_in_readable+0x270/0x4c0 [ 420.729315][ C0] ? asan.module_dtor+0x20/0x20 [ 420.733999][ C0] ? balance_dirty_pages_ratelimited+0x816/0xcc0 [ 420.740159][ C0] ? generic_perform_write+0x1ce/0x560 [ 420.745461][ C0] ? grab_cache_page_write_begin+0x90/0x90 [ 420.751360][ C0] ? file_remove_privs+0x640/0x640 [ 420.756506][ C0] ? down_write_trylock+0xd7/0x130 [ 420.761517][ C0] ? __generic_file_write_iter+0x224/0x530 [ 420.767152][ C0] ? ext4_file_write_iter+0x499/0x10e0 [ 420.772462][ C0] ? ext4_file_read_iter+0x140/0x140 [ 420.777653][ C0] ? iov_iter_init+0x82/0x160 [ 420.782252][ C0] ? __vfs_write+0x5d3/0x750 [ 420.786767][ C0] ? __kernel_write+0x350/0x350 [ 420.791576][ C0] ? check_preemption_disabled+0x9f/0x320 [ 420.797252][ C0] ? debug_smp_processor_id+0x20/0x20 [ 420.803850][ C0] ? security_file_permission+0x40/0x2f0 [ 420.809310][ C0] ? vfs_write+0x206/0x4e0 [ 420.813562][ C0] ? ksys_write+0x199/0x2c0 [ 420.817906][ C0] ? debug_smp_processor_id+0x20/0x20 [ 420.823467][ C0] ? __ia32_sys_read+0x80/0x80 [ 420.828154][ C0] ? do_syscall_64+0xca/0x1c0 [ 420.832680][ C0] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 420.838572][ C0] Sending NMI from CPU 0 to CPUs 1: [ 420.844192][ C1] NMI backtrace for cpu 1 [ 420.844198][ C1] CPU: 1 PID: 2666 Comm: syz-executor530 Not tainted 5.4.249-syzkaller-04712-g50533a8b511b #0 [ 420.844203][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 420.844207][ C1] RIP: 0010:smp_call_function_single+0x235/0x4a0 [ 420.844216][ C1] Code: 0f 85 df 01 00 00 44 8b 74 24 58 44 89 f6 83 e6 01 31 ff e8 4d af 0a 00 41 83 e6 01 75 0a e8 52 ac 0a 00 e9 f4 00 00 00 f3 90 <42> 0f b6 04 2b 84 c0 75 15 f7 44 24 58 01 00 00 00 0f 84 d6 00 00 [ 420.844220][ C1] RSP: 0018:ffff8881ea347840 EFLAGS: 00000293 [ 420.844226][ C1] RAX: ffffffff815989e1 RBX: 1ffff1103d468f13 RCX: ffff8881d57e8fc0 [ 420.844230][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 420.844235][ C1] RBP: ffff8881ea347930 R08: ffffffff815989b3 R09: ffffed103edcb181 [ 420.844239][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103d468f0c [ 420.844243][ C1] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000 [ 420.844247][ C1] FS: 0000555556a073c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 420.844251][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 420.844255][ C1] CR2: 00007fffd591b7b0 CR3: 00000001e4340000 CR4: 00000000003406a0 [ 420.844259][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 420.844263][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 420.844265][ C1] Call Trace: [ 420.844267][ C1] [ 420.844270][ C1] ? nmi_cpu_backtrace+0x112/0x130 [ 420.844273][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 420.844276][ C1] ? nmi_handle+0xad/0x2f0 [ 420.844279][ C1] ? smp_call_function_single+0x235/0x4a0 [ 420.844281][ C1] ? do_nmi+0x251/0x610 [ 420.844284][ C1] ? end_repeat_nmi+0x16/0x2c [ 420.844287][ C1] ? smp_call_function_single+0x223/0x4a0 [ 420.844290][ C1] ? smp_call_function_single+0x251/0x4a0 [ 420.844293][ C1] ? smp_call_function_single+0x235/0x4a0 [ 420.844296][ C1] ? smp_call_function_single+0x235/0x4a0 [ 420.844299][ C1] ? smp_call_function_single+0x235/0x4a0 [ 420.844301][ C1] [ 420.844304][ C1] ? text_poke_bp_batch+0x2b0/0x2b0 [ 420.844307][ C1] ? check_preemption_disabled+0x9f/0x320 [ 420.844311][ C1] ? generic_smp_call_function_single_interrupt+0x10/0x10 [ 420.844314][ C1] ? check_preemption_disabled+0x9f/0x320 [ 420.844317][ C1] ? text_poke_bp_batch+0x2b0/0x2b0 [ 420.844320][ C1] ? debug_smp_processor_id+0x20/0x20 [ 420.844323][ C1] ? stack_trace_snprint+0x170/0x170 [ 420.844326][ C1] ? check_preemption_disabled+0x9f/0x320 [ 420.844329][ C1] ? find_next_and_bit+0x156/0x190 [ 420.844332][ C1] ? cpumask_next_and+0x11/0x30 [ 420.844335][ C1] smp_call_function_many+0x6fe/0x9b0 [ 420.844337][ C1] ? cpumask_any_but+0x9c/0xb0 [ 420.844340][ C1] ? text_poke_bp_batch+0x2b0/0x2b0 [ 420.844343][ C1] ? flush_tlb_mm_range+0x214/0x2b0 [ 420.844346][ C1] ? smp_call_function_any+0x190/0x190 [ 420.844349][ C1] ? _raw_spin_unlock+0x49/0x60 [ 420.844352][ C1] ? text_poke_bp_batch+0x2b0/0x2b0 [ 420.844354][ C1] on_each_cpu+0xa5/0x1a0 [ 420.844357][ C1] ? text_poke+0x10/0x10 [ 420.844359][ C1] ? smp_call_function+0x90/0x90 [ 420.844362][ C1] text_poke_bp_batch+0x11a/0x2b0 [ 420.844364][ C1] ? memcpy+0x38/0x50 [ 420.844367][ C1] ? patch_cmp+0x40/0x40 [ 420.844370][ C1] ? __jump_label_update+0x371/0x3a0 [ 420.844373][ C1] arch_jump_label_transform_apply+0x27/0x40 [ 420.844376][ C1] __static_key_slow_dec+0x76/0xa0 [ 420.844379][ C1] sw_perf_event_destroy+0x96/0x2c0 [ 420.844381][ C1] ? _free_event+0xa67/0xdb0 [ 420.844384][ C1] ? perf_swevent_del+0xd0/0xd0 [ 420.844386][ C1] _free_event+0xa6c/0xdb0 [ 420.844389][ C1] ? list_del_event+0x460/0x460 [ 420.844391][ C1] ? memset+0x1f/0x40 [ 420.844394][ C1] perf_event_release_kernel+0xc27/0xd60 [ 420.844397][ C1] ? perf_event_read_local+0x680/0x680 [ 420.844400][ C1] ? check_preemption_disabled+0x153/0x320 [ 420.844403][ C1] ? debug_smp_processor_id+0x20/0x20 [ 420.844406][ C1] perf_release+0x37/0x40 [ 420.844409][ C1] ? perf_mmap+0x13e0/0x13e0 [ 420.844411][ C1] __fput+0x262/0x680 [ 420.844413][ C1] task_work_run+0x140/0x170 [ 420.844416][ C1] exit_to_usermode_loop+0x190/0x1a0 [ 420.844419][ C1] prepare_exit_to_usermode+0x199/0x200 [ 420.844422][ C1] entry_SYSCALL_64_after_hwframe+0x5c/0xc1