[ 44.157354][ T43] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.197368][ T43] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.237969][ T43] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 44.296348][ T43] bridge_slave_1: left allmulticast mode [ 44.296371][ T43] bridge_slave_1: left promiscuous mode [ 44.296458][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.297993][ T43] bridge_slave_0: left allmulticast mode [ 44.298011][ T43] bridge_slave_0: left promiscuous mode [ 44.298106][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.343776][ T43] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 44.345372][ T43] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 44.362742][ T43] bond0 (unregistering): Released all slaves [ 44.378677][ T43] hsr_slave_0: left promiscuous mode [ 44.378941][ T43] hsr_slave_1: left promiscuous mode [ 44.379398][ T43] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 44.379414][ T43] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 44.379842][ T43] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 44.379856][ T43] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 44.382525][ T43] veth1_macvtap: left promiscuous mode [ 44.382551][ T43] veth0_macvtap: left promiscuous mode [ 44.382593][ T43] veth1_vlan: left promiscuous mode [ 44.382740][ T43] veth0_vlan: left promiscuous mode [ 44.467082][ T43] team0 (unregistering): Port device team_slave_1 removed [ 44.469617][ T43] team0 (unregistering): Port device team_slave_0 removed [ 44.521553][ T3022] 8021q: adding VLAN 0 to HW filter on device eth1 [ 44.604205][ T3022] 8021q: adding VLAN 0 to HW filter on device eth2 [ 44.671232][ T29] kauditd_printk_skb: 5 callbacks suppressed [ 44.671303][ T29] audit: type=1400 audit(1790311111.143:177): avc: denied { write } for pid=3575 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 [ 44.709823][ T29] audit: type=1400 audit(1790311111.183:178): avc: denied { write } for pid=3586 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 [ 44.738608][ T3022] 8021q: adding VLAN 0 to HW filter on device eth3 [ 44.796088][ T29] audit: type=1400 audit(1790311111.273:179): avc: denied { write } for pid=3589 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 [ 44.810565][ T29] audit: type=1400 audit(1790311111.283:180): avc: denied { write } for pid=3600 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 [ 44.852351][ T3022] 8021q: adding VLAN 0 to HW filter on device eth4 Warning: Permanently added '10.128.1.101' (ED25519) to the list of known hosts. [ 48.987363][ T409] ================================================================== [ 48.987396][ T409] BUG: KCSAN: data-race in n_tty_lookahead_flow_ctrl / tty_set_termios [ 48.987428][ T409] [ 48.987435][ T409] write to 0xffff88810f299ce0 of 44 bytes by task 3614 on cpu 0: [ 48.987452][ T409] tty_set_termios+0xc0/0x900 [ 48.987478][ T409] set_termios+0x373/0x4f0 [ 48.987503][ T409] tty_mode_ioctl+0x37f/0x5b0 [ 48.987529][ T409] n_tty_ioctl_helper+0x87/0x370 [ 48.987557][ T409] n_tty_ioctl+0x101/0x200 [ 48.987578][ T409] tty_ioctl+0x83e/0xb80 [ 48.987609][ T409] __se_sys_ioctl+0xce/0x140 [ 48.987636][ T409] __x64_sys_ioctl+0x43/0x50 [ 48.987663][ T409] x64_sys_call+0x239d/0x2550 [ 48.987687][ T409] do_syscall_64+0x112/0x360 [ 48.987704][ T409] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.987723][ T409] [ 48.987728][ T409] read to 0xffff88810f299cf9 of 1 bytes by task 409 on cpu 1: [ 48.987744][ T409] n_tty_lookahead_flow_ctrl+0x12b/0x2d0 [ 48.987770][ T409] tty_port_default_lookahead_buf+0x91/0xc0 [ 48.987808][ T409] flush_to_ldisc+0x279/0x330 [ 48.987841][ T409] process_scheduled_works+0x56a/0xa50 [ 48.987880][ T409] worker_thread+0x569/0x750 [ 48.987908][ T409] kthread+0x223/0x270 [ 48.987930][ T409] ret_from_fork+0x146/0x330 [ 48.987958][ T409] ret_from_fork_asm+0x1a/0x30 [ 48.987982][ T409] [ 48.987987][ T409] value changed: 0xaf -> 0x11 [ 48.987998][ T409] [ 48.988002][ T409] Reported by Kernel Concurrency Sanitizer on: [ 48.988034][ T409] CPU: 1 UID: 0 PID: 409 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT(lazy) [ 48.988062][ T409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 48.988078][ T409] Workqueue: events_unbound flush_to_ldisc [ 48.988113][ T409] ================================================================== [ 49.668602][ T43] ================================================================== [ 49.668636][ T43] BUG: KCSAN: data-race in n_tty_lookahead_flow_ctrl / tty_set_termios [ 49.668666][ T43] [ 49.668671][ T43] write to 0xffff88810f299cf9 of 1 bytes by task 3616 on cpu 0: [ 49.668686][ T43] tty_set_termios+0x4ab/0x900 [ 49.668711][ T43] set_termios+0x373/0x4f0 [ 49.668742][ T43] tty_mode_ioctl+0x37f/0x5b0 [ 49.668766][ T43] n_tty_ioctl_helper+0x87/0x370 [ 49.668788][ T43] n_tty_ioctl+0x101/0x200 [ 49.668805][ T43] tty_ioctl+0x83e/0xb80 [ 49.668833][ T43] __se_sys_ioctl+0xce/0x140 [ 49.668865][ T43] __x64_sys_ioctl+0x43/0x50 [ 49.668890][ T43] x64_sys_call+0x239d/0x2550 [ 49.668914][ T43] do_syscall_64+0x112/0x360 [ 49.668930][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.668952][ T43] [ 49.668958][ T43] read to 0xffff88810f299cf9 of 1 bytes by task 43 on cpu 1: [ 49.668974][ T43] n_tty_lookahead_flow_ctrl+0x12b/0x2d0 [ 49.668998][ T43] tty_port_default_lookahead_buf+0x91/0xc0 [ 49.669035][ T43] flush_to_ldisc+0x279/0x330 [ 49.669068][ T43] process_scheduled_works+0x56a/0xa50 [ 49.669097][ T43] worker_thread+0x569/0x750 [ 49.669124][ T43] kthread+0x223/0x270 [ 49.669146][ T43] ret_from_fork+0x146/0x330 [ 49.669176][ T43] ret_from_fork_asm+0x1a/0x30 [ 49.669199][ T43] [ 49.669202][ T43] value changed: 0x11 -> 0xaf [ 49.669212][ T43] [ 49.669216][ T43] Reported by Kernel Concurrency Sanitizer on: [ 49.669227][ T43] CPU: 1 UID: 0 PID: 43 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT(lazy) [ 49.669260][ T43] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 49.669272][ T43] Workqueue: events_unbound flush_to_ldisc [ 49.669300][ T43] ================================================================== [ 51.834292][ T3614] ================================================================== [ 51.834323][ T3614] BUG: KCSAN: data-race in n_tty_lookahead_flow_ctrl / tty_set_termios [ 51.834353][ T3614] [ 51.834359][ T3614] read to 0xffff88810f299cfa of 1 bytes by task 409 on cpu 0: [ 51.834374][ T3614] n_tty_lookahead_flow_ctrl+0x1b0/0x2d0 [ 51.834400][ T3614] tty_port_default_lookahead_buf+0x91/0xc0 [ 51.834439][ T3614] flush_to_ldisc+0x279/0x330 [ 51.834471][ T3614] process_scheduled_works+0x56a/0xa50 [ 51.834506][ T3614] worker_thread+0x569/0x750 [ 51.834537][ T3614] kthread+0x223/0x270 [ 51.834556][ T3614] ret_from_fork+0x146/0x330 [ 51.834583][ T3614] ret_from_fork_asm+0x1a/0x30 [ 51.834610][ T3614] [ 51.834616][ T3614] write to 0xffff88810f299ce0 of 44 bytes by task 3614 on cpu 1: [ 51.834635][ T3614] tty_set_termios+0xc0/0x900 [ 51.834661][ T3614] set_termios+0x373/0x4f0 [ 51.834688][ T3614] tty_mode_ioctl+0x37f/0x5b0 [ 51.834712][ T3614] n_tty_ioctl_helper+0x87/0x370 [ 51.834737][ T3614] n_tty_ioctl+0x101/0x200 [ 51.834758][ T3614] tty_ioctl+0x83e/0xb80 [ 51.834788][ T3614] __se_sys_ioctl+0xce/0x140 [ 51.834831][ T3614] __x64_sys_ioctl+0x43/0x50 [ 51.834862][ T3614] x64_sys_call+0x239d/0x2550 [ 51.834886][ T3614] do_syscall_64+0x112/0x360 [ 51.834902][ T3614] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.834922][ T3614] [ 51.834925][ T3614] Reported by Kernel Concurrency Sanitizer on: [ 51.834935][ T3614] CPU: 1 UID: 0 PID: 3614 Comm: syz-executor356 Not tainted syzkaller #0 PREEMPT(lazy) [ 51.834963][ T3614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 51.834977][ T3614] ================================================================== [ 52.002080][ T409] ================================================================== [ 52.002113][ T409] BUG: KCSAN: data-race in n_tty_lookahead_flow_ctrl / tty_set_termios [ 52.002143][ T409] [ 52.002148][ T409] write to 0xffff88810f299ce0 of 44 bytes by task 3616 on cpu 0: [ 52.002163][ T409] tty_set_termios+0xc0/0x900 [ 52.002184][ T409] set_termios+0x373/0x4f0 [ 52.002210][ T409] tty_mode_ioctl+0x37f/0x5b0 [ 52.002237][ T409] n_tty_ioctl_helper+0x87/0x370 [ 52.002265][ T409] n_tty_ioctl+0x101/0x200 [ 52.002285][ T409] tty_ioctl+0x83e/0xb80 [ 52.002311][ T409] __se_sys_ioctl+0xce/0x140 [ 52.002336][ T409] __x64_sys_ioctl+0x43/0x50 [ 52.002365][ T409] x64_sys_call+0x239d/0x2550 [ 52.002390][ T409] do_syscall_64+0x112/0x360 [ 52.002407][ T409] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 52.002428][ T409] [ 52.002434][ T409] read to 0xffff88810f299cf9 of 1 bytes by task 409 on cpu 1: [ 52.002452][ T409] n_tty_lookahead_flow_ctrl+0x12b/0x2d0 [ 52.002475][ T409] tty_port_default_lookahead_buf+0x91/0xc0 [ 52.002511][ T409] flush_to_ldisc+0x279/0x330 [ 52.002543][ T409] process_scheduled_works+0x56a/0xa50 [ 52.002577][ T409] worker_thread+0x569/0x750 [ 52.002607][ T409] kthread+0x223/0x270 [ 52.002628][ T409] ret_from_fork+0x146/0x330 [ 52.002660][ T409] ret_from_fork_asm+0x1a/0x30 [ 52.002688][ T409] [ 52.002692][ T409] value changed: 0xaf -> 0x11 [ 52.002704][ T409] [ 52.002708][ T409] Reported by Kernel Concurrency Sanitizer on: [ 52.002720][ T409] CPU: 1 UID: 0 PID: 409 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT(lazy) [ 52.002743][ T409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 52.002755][ T409] Workqueue: events_unbound flush_to_ldisc [ 52.002787][ T409] ================================================================== [ 53.280286][ T12] ================================================================== [ 53.280328][ T12] BUG: KCSAN: data-race in n_tty_lookahead_flow_ctrl / tty_set_termios [ 53.280361][ T12] [ 53.280367][ T12] write to 0xffff88810f299cf9 of 1 bytes by task 3616 on cpu 1: [ 53.280382][ T12] tty_set_termios+0x4ab/0x900 [ 53.280404][ T12] set_termios+0x373/0x4f0 [ 53.280430][ T12] tty_mode_ioctl+0x37f/0x5b0 [ 53.280457][ T12] n_tty_ioctl_helper+0x87/0x370 [ 53.280485][ T12] n_tty_ioctl+0x101/0x200 [ 53.280505][ T12] tty_ioctl+0x83e/0xb80 [ 53.280532][ T12] __se_sys_ioctl+0xce/0x140 [ 53.280565][ T12] __x64_sys_ioctl+0x43/0x50 [ 53.280596][ T12] x64_sys_call+0x239d/0x2550 [ 53.280625][ T12] do_syscall_64+0x112/0x360 [ 53.280646][ T12] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 53.280669][ T12] [ 53.280674][ T12] read to 0xffff88810f299cf9 of 1 bytes by task 12 on cpu 0: [ 53.280688][ T12] n_tty_lookahead_flow_ctrl+0x12b/0x2d0 [ 53.280709][ T12] tty_port_default_lookahead_buf+0x91/0xc0 [ 53.280746][ T12] flush_to_ldisc+0x279/0x330 [ 53.280779][ T12] process_scheduled_works+0x56a/0xa50 [ 53.280813][ T12] worker_thread+0x569/0x750 [ 53.280841][ T12] kthread+0x223/0x270 [ 53.280862][ T12] ret_from_fork+0x146/0x330 [ 53.280892][ T12] ret_from_fork_asm+0x1a/0x30 [ 53.280916][ T12] [ 53.280920][ T12] value changed: 0x11 -> 0xaf [ 53.280931][ T12] [ 53.280935][ T12] Reported by Kernel Concurrency Sanitizer on: [ 53.280945][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT(lazy) [ 53.280973][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 53.280987][ T12] Workqueue: events_unbound flush_to_ldisc [ 53.281018][ T12] ================================================================== [+] Setup complete, starting threads... [+] Reproducer finished.