42] veth0_macvtap: left promiscuous mode [ 34.038923][ T42] veth1_vlan: left promiscuous mode [ 34.038954][ T42] veth0_vlan: left promiscuous mode [ 34.124711][ T42] team0 (unregistering): Port device team_slave_1 removed [ 34.127237][ T42] team0 (unregistering): Port device team_slave_0 removed [ 34.147338][ T29] audit: type=1400 audit(1791031980.999:173): avc: denied { write } for pid=3565 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=486 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 34.179208][ T29] audit: type=1400 audit(1791031981.029:174): avc: denied { write } for pid=3576 comm="rm" name="hook-state" dev="tmpfs" ino=486 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 34.212835][ T3023] 8021q: adding VLAN 0 to HW filter on device eth5 [ 34.294184][ T3023] 8021q: adding VLAN 0 to HW filter on device eth6 [ 34.384517][ T3023] 8021q: adding VLAN 0 to HW filter on device eth7 [ 34.469828][ T3023] 8021q: adding VLAN 0 to HW filter on device eth8 Warning: Permanently added '10.128.0.221' (ED25519) to the list of known hosts. [*] Starting reproducer... [+] Opened tty successfully. [ 39.320864][ T3641] ================================================================== [ 39.320901][ T3641] BUG: KCSAN: data-race in __stop_tty / con_write_room [ 39.320936][ T3641] [ 39.320942][ T3641] write to 0xffff888103d90194 of 1 bytes by task 3640 on cpu 0: [ 39.320956][ T3641] __stop_tty+0x36/0x90 [ 39.320981][ T3641] n_tty_ioctl_helper+0x2d1/0x370 [ 39.321010][ T3641] n_tty_ioctl+0x101/0x200 [ 39.321031][ T3641] tty_ioctl+0x83e/0xb80 [ 39.321061][ T3641] __se_sys_ioctl+0xce/0x140 [ 39.321092][ T3641] __x64_sys_ioctl+0x43/0x50 [ 39.321122][ T3641] x64_sys_call+0x239d/0x2550 [ 39.321149][ T3641] do_syscall_64+0x112/0x360 [ 39.321173][ T3641] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.321196][ T3641] [ 39.321202][ T3641] read to 0xffff888103d90194 of 1 bytes by task 3641 on cpu 1: [ 39.321219][ T3641] con_write_room+0x19/0x30 [ 39.321239][ T3641] tty_write_room+0x3f/0x60 [ 39.321262][ T3641] n_tty_write+0x455/0xb00 [ 39.321288][ T3641] file_tty_write+0x392/0x6a0 [ 39.321315][ T3641] tty_write+0x25/0x30 [ 39.321342][ T3641] vfs_write+0x57f/0x9a0 [ 39.321372][ T3641] ksys_write+0xdc/0x1a0 [ 39.321400][ T3641] __x64_sys_write+0x40/0x50 [ 39.321431][ T3641] x64_sys_call+0x154e/0x2550 [ 39.321457][ T3641] do_syscall_64+0x112/0x360 [ 39.321475][ T3641] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.321493][ T3641] [ 39.321496][ T3641] value changed: 0x00 -> 0x01 [ 39.321506][ T3641] [ 39.321509][ T3641] Reported by Kernel Concurrency Sanitizer on: [ 39.321531][ T3641] CPU: 1 UID: 0 PID: 3641 Comm: syz-executor334 Not tainted syzkaller #0 PREEMPT(lazy) [ 39.321558][ T3641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 39.321569][ T3641] ================================================================== [ 39.607350][ T3641] ================================================================== [ 39.607384][ T3641] BUG: KCSAN: data-race in __start_tty / do_con_write [ 39.607420][ T3641] [ 39.607426][ T3641] write to 0xffff888103d90194 of 1 bytes by task 3640 on cpu 0: [ 39.607444][ T3641] __start_tty+0x5a/0x150 [ 39.607531][ T3641] n_tty_ioctl_helper+0x10a/0x370 [ 39.607561][ T3641] n_tty_ioctl+0x101/0x200 [ 39.607581][ T3641] tty_ioctl+0x83e/0xb80 [ 39.607611][ T3641] __se_sys_ioctl+0xce/0x140 [ 39.607642][ T3641] __x64_sys_ioctl+0x43/0x50 [ 39.607713][ T3641] x64_sys_call+0x239d/0x2550 [ 39.607740][ T3641] do_syscall_64+0x112/0x360 [ 39.607764][ T3641] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.607788][ T3641] [ 39.607794][ T3641] read to 0xffff888103d90194 of 1 bytes by task 3641 on cpu 1: [ 39.607811][ T3641] do_con_write+0x164/0x2a90 [ 39.607833][ T3641] con_put_char+0x38/0x60 [ 39.607852][ T3641] tty_put_char+0x68/0xc0 [ 39.607891][ T3641] do_output_char+0x4e6/0x510 [ 39.607914][ T3641] n_tty_write+0x86c/0xb00 [ 39.607933][ T3641] file_tty_write+0x392/0x6a0 [ 39.607957][ T3641] tty_write+0x25/0x30 [ 39.607979][ T3641] vfs_write+0x57f/0x9a0 [ 39.608008][ T3641] ksys_write+0xdc/0x1a0 [ 39.608046][ T3641] __x64_sys_write+0x40/0x50 [ 39.608086][ T3641] x64_sys_call+0x154e/0x2550 [ 39.608110][ T3641] do_syscall_64+0x112/0x360 [ 39.608132][ T3641] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.608154][ T3641] [ 39.608158][ T3641] value changed: 0x01 -> 0x00 [ 39.608167][ T3641] [ 39.608170][ T3641] Reported by Kernel Concurrency Sanitizer on: [ 39.608180][ T3641] CPU: 1 UID: 0 PID: 3641 Comm: syz-executor334 Not tainted syzkaller #0 PREEMPT(lazy) [ 39.608200][ T3641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 39.608211][ T3641] ================================================================== [ 40.127343][ T3641] ================================================================== [ 40.127372][ T3641] BUG: KCSAN: data-race in __start_tty / con_write_room [ 40.127399][ T3641] [ 40.127404][ T3641] write to 0xffff888103d90194 of 1 bytes by task 3640 on cpu 0: [ 40.127419][ T3641] __start_tty+0x5a/0x150 [ 40.127448][ T3641] n_tty_ioctl_helper+0x10a/0x370 [ 40.127475][ T3641] n_tty_ioctl+0x101/0x200 [ 40.127493][ T3641] tty_ioctl+0x83e/0xb80 [ 40.127523][ T3641] __se_sys_ioctl+0xce/0x140 [ 40.127561][ T3641] __x64_sys_ioctl+0x43/0x50 [ 40.127592][ T3641] x64_sys_call+0x239d/0x2550 [ 40.127619][ T3641] do_syscall_64+0x112/0x360 [ 40.127643][ T3641] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 40.127666][ T3641] [ 40.127671][ T3641] read to 0xffff888103d90194 of 1 bytes by task 3641 on cpu 1: [ 40.127688][ T3641] con_write_room+0x19/0x30 [ 40.127708][ T3641] tty_write_room+0x3f/0x60 [ 40.127733][ T3641] n_tty_write+0x860/0xb00 [ 40.127755][ T3641] file_tty_write+0x392/0x6a0 [ 40.127780][ T3641] tty_write+0x25/0x30 [ 40.127808][ T3641] vfs_write+0x57f/0x9a0 [ 40.127837][ T3641] ksys_write+0xdc/0x1a0 [ 40.127867][ T3641] __x64_sys_write+0x40/0x50 [ 40.127892][ T3641] x64_sys_call+0x154e/0x2550 [ 40.127913][ T3641] do_syscall_64+0x112/0x360 [ 40.127930][ T3641] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 40.127951][ T3641] [ 40.127955][ T3641] value changed: 0x01 -> 0x00 [ 40.127966][ T3641] [ 40.127970][ T3641] Reported by Kernel Concurrency Sanitizer on: [ 40.127983][ T3641] CPU: 1 UID: 0 PID: 3641 Comm: syz-executor334 Not tainted syzkaller #0 PREEMPT(lazy) [ 40.128010][ T3641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 40.128023][ T3641] ================================================================== [ 42.484404][ T3641] ================================================================== [ 42.484439][ T3641] BUG: KCSAN: data-race in __start_tty / do_con_write [ 42.484478][ T3641] [ 42.484485][ T3641] write to 0xffff888103d90194 of 1 bytes by task 3640 on cpu 0: [ 42.484502][ T3641] __start_tty+0x5a/0x150 [ 42.484535][ T3641] n_tty_ioctl_helper+0x10a/0x370 [ 42.484564][ T3641] n_tty_ioctl+0x101/0x200 [ 42.484586][ T3641] tty_ioctl+0x83e/0xb80 [ 42.484613][ T3641] __se_sys_ioctl+0xce/0x140 [ 42.484640][ T3641] __x64_sys_ioctl+0x43/0x50 [ 42.484675][ T3641] x64_sys_call+0x239d/0x2550 [ 42.484703][ T3641] do_syscall_64+0x112/0x360 [ 42.484726][ T3641] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.484748][ T3641] [ 42.484754][ T3641] read to 0xffff888103d90194 of 1 bytes by task 3641 on cpu 1: [ 42.484770][ T3641] do_con_write+0x1bd5/0x2a90 [ 42.484796][ T3641] con_write+0x27/0x1d0 [ 42.484811][ T3641] n_tty_write+0x7f4/0xb00 [ 42.484832][ T3641] file_tty_write+0x392/0x6a0 [ 42.484860][ T3641] tty_write+0x25/0x30 [ 42.484891][ T3641] vfs_write+0x57f/0x9a0 [ 42.484920][ T3641] ksys_write+0xdc/0x1a0 [ 42.484950][ T3641] __x64_sys_write+0x40/0x50 [ 42.484985][ T3641] x64_sys_call+0x154e/0x2550 [ 42.485008][ T3641] do_syscall_64+0x112/0x360 [ 42.485025][ T3641] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.485046][ T3641] [ 42.485049][ T3641] value changed: 0x01 -> 0x00 [ 42.485060][ T3641] [ 42.485064][ T3641] Reported by Kernel Concurrency Sanitizer on: [ 42.485076][ T3641] CPU: 1 UID: 0 PID: 3641 Comm: syz-executor334 Not tainted syzkaller #0 PREEMPT(lazy) [ 42.485100][ T3641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 42.485111][ T3641] ================================================================== [ 43.094997][ T2968] ================================================================== [ 43.095027][ T2968] BUG: KCSAN: data-race in evdev_pass_values / evdev_poll [ 43.095052][ T2968] [ 43.095057][ T2968] write to 0xffff888104787808 of 4 bytes by interrupt on cpu 0: [ 43.095074][ T2968] evdev_pass_values+0x3b6/0x520 [ 43.095095][ T2968] evdev_events+0x8e/0xd0 [ 43.095113][ T2968] input_pass_values+0x123/0x390 [ 43.095135][ T2968] input_event_dispose+0x2dd/0x340 [ 43.095168][ T2968] input_handle_event+0x9e8/0xa20 [ 43.095198][ T2968] input_inject_event+0xc4/0xf0 [ 43.095230][ T2968] input_leds_brightness_set+0x59/0x70 [ 43.095251][ T2968] led_set_brightness+0x11f/0x200 [ 43.095280][ T2968] led_trigger_event+0x59/0x90 [ 43.095299][ T2968] kbd_bh+0x18f/0x1e0 [ 43.095320][ T2968] tasklet_action_common+0xfb/0x2b0 [ 43.095346][ T2968] handle_softirqs+0xcc/0x2a0 [ 43.095367][ T2968] run_ksoftirqd+0x1c/0x30 [ 43.095391][ T2968] smpboot_thread_fn+0x32f/0x520 [ 43.095412][ T2968] kthread+0x223/0x270 [ 43.095430][ T2968] ret_from_fork+0x146/0x330 [ 43.095456][ T2968] ret_from_fork_asm+0x1a/0x30 [ 43.095478][ T2968] [ 43.095482][ T2968] read to 0xffff888104787808 of 4 bytes by task 2968 on cpu 1: [ 43.095496][ T2968] evdev_poll+0xc4/0x100 [ 43.095511][ T2968] do_select+0x94a/0xfa0 [ 43.095530][ T2968] core_sys_select+0x453/0x730 [ 43.095550][ T2968] __se_sys_pselect6+0x23f/0x2a0 [ 43.095571][ T2968] __x64_sys_pselect6+0x78/0x90 [ 43.095588][ T2968] x64_sys_call+0x1dfc/0x2550 [ 43.095609][ T2968] do_syscall_64+0x112/0x360 [ 43.095628][ T2968] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.095651][ T2968] [ 43.095654][ T2968] value changed: 0x00000010 -> 0x00000019 [ 43.095663][ T2968] [ 43.095666][ T2968] Reported by Kernel Concurrency Sanitizer on: [ 43.095678][ T2968] CPU: 1 UID: 0 PID: 2968 Comm: acpid Not tainted syzkaller #0 PREEMPT(lazy) [ 43.095710][ T2968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 43.095720][ T2968] ================================================================== [ 43.695282][ T3641] ================================================================== [ 43.695314][ T3641] BUG: KCSAN: data-race in __stop_tty / do_con_write [ 43.695348][ T3641] [ 43.695355][ T3641] write to 0xffff888103d90194 of 1 bytes by task 3640 on cpu 0: [ 43.695372][ T3641] __stop_tty+0x36/0x90 [ 43.695400][ T3641] n_tty_ioctl_helper+0x2d1/0x370 [ 43.695426][ T3641] n_tty_ioctl+0x101/0x200 [ 43.695444][ T3641] tty_ioctl+0x83e/0xb80 [ 43.695471][ T3641] __se_sys_ioctl+0xce/0x140 [ 43.695498][ T3641] __x64_sys_ioctl+0x43/0x50 [ 43.695528][ T3641] x64_sys_call+0x239d/0x2550 [ 43.695551][ T3641] do_syscall_64+0x112/0x360 [ 43.695571][ T3641] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.695595][ T3641] [ 43.695600][ T3641] read to 0xffff888103d90194 of 1 bytes by task 3641 on cpu 1: [ 43.695617][ T3641] do_con_write+0x1bd5/0x2a90 [ 43.695637][ T3641] con_write+0x27/0x1d0 [ 43.695656][ T3641] n_tty_write+0x7f4/0xb00 [ 43.695685][ T3641] file_tty_write+0x392/0x6a0 [ 43.695714][ T3641] tty_write+0x25/0x30 [ 43.695741][ T3641] vfs_write+0x57f/0x9a0 [ 43.695767][ T3641] ksys_write+0xdc/0x1a0 [ 43.695791][ T3641] __x64_sys_write+0x40/0x50 [ 43.695815][ T3641] x64_sys_call+0x154e/0x2550 [ 43.695841][ T3641] do_syscall_64+0x112/0x360 [ 43.695863][ T3641] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.695885][ T3641] [ 43.695889][ T3641] value changed: 0x00 -> 0x01 [ 43.695900][ T3641] [ 43.695904][ T3641] Reported by Kernel Concurrency Sanitizer on: [ 43.695916][ T3641] CPU: 1 UID: 0 PID: 3641 Comm: syz-executor334 Not tainted syzkaller #0 PREEMPT(lazy) [ 43.695941][ T3641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 43.695952][ T3641] ================================================================== [ 44.125029][ T29] kauditd_printk_skb: 6 callbacks suppressed [ 44.125046][ T29] audit: type=1400 audit(1791031990.979:181): avc: denied { write } for pid=3650 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=486 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 44.169452][ T29] audit: type=1400 audit(1791031991.019:182): avc: denied { write } for pid=3661 comm="rm" name="hook-state" dev="tmpfs" ino=486 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [+] Reproducer finished.