[ 39.436846][ T31] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.477249][ T31] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.517367][ T31] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 39.603780][ T31] bridge_slave_1: left allmulticast mode [ 39.603800][ T31] bridge_slave_1: left promiscuous mode [ 39.603900][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.610730][ T31] bridge_slave_0: left allmulticast mode [ 39.610751][ T31] bridge_slave_0: left promiscuous mode [ 39.610901][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.675103][ T31] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 39.676412][ T31] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 39.677132][ T31] bond0 (unregistering): Released all slaves [ 39.741694][ T31] hsr_slave_0: left promiscuous mode [ 39.742087][ T31] hsr_slave_1: left promiscuous mode [ 39.742581][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 39.742595][ T31] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 39.742908][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 39.742919][ T31] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 39.779764][ T29] audit: type=1400 audit(1790494873.296:175): avc: denied { write } for pid=3562 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 [ 39.797600][ T29] audit: type=1400 audit(1790494873.306:176): avc: denied { write } for pid=3573 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 [ 39.832842][ T31] veth1_macvtap: left promiscuous mode [ 39.832951][ T31] veth0_macvtap: left promiscuous mode [ 39.832991][ T31] veth1_vlan: left promiscuous mode [ 39.833092][ T31] veth0_vlan: left promiscuous mode [ 39.905981][ T31] team0 (unregistering): Port device team_slave_1 removed [ 39.907994][ T31] team0 (unregistering): Port device team_slave_0 removed [ 39.932609][ T3021] 8021q: adding VLAN 0 to HW filter on device eth5 [ 40.027932][ T3021] 8021q: adding VLAN 0 to HW filter on device eth6 [ 40.113357][ T3021] 8021q: adding VLAN 0 to HW filter on device eth7 [ 40.206386][ T3021] 8021q: adding VLAN 0 to HW filter on device eth8 Warning: Permanently added '10.128.1.146' (ED25519) to the list of known hosts. [+] trace_pipe opened successfully. [+] trace_marker opened successfully. [+] Threads started, waiting for KCSAN to trigger... [ 44.475810][ T29] kauditd_printk_skb: 6 callbacks suppressed [ 44.475827][ T29] audit: type=1400 audit(1790494877.986:183): avc: denied { search } for pid=3634 comm="syz-executor148" name="/" dev="tracefs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tracefs_t tclass=dir permissive=1 [ 44.475914][ T29] audit: type=1400 audit(1790494877.986:184): avc: denied { read } for pid=3634 comm="syz-executor148" name="trace_pipe" dev="tracefs" ino=302 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tracefs_t tclass=file permissive=1 [ 44.476061][ T29] audit: type=1400 audit(1790494877.986:185): avc: denied { open } for pid=3634 comm="syz-executor148" path="/sys/kernel/tracing/trace_pipe" dev="tracefs" ino=302 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tracefs_t tclass=file permissive=1 [ 44.476700][ T29] audit: type=1400 audit(1790494877.986:186): avc: denied { search } for pid=3634 comm="syz-executor148" name="/" dev="tracefs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tracefs_t tclass=dir permissive=1 [ 44.476725][ T29] audit: type=1400 audit(1790494877.986:187): avc: denied { write } for pid=3634 comm="syz-executor148" name="trace_marker" dev="tracefs" ino=352 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tracefs_t tclass=file permissive=1 [ 44.707220][ T3636] ================================================================== [ 44.707252][ T3636] BUG: KCSAN: data-race in rb_get_reader_page / rb_move_tail [ 44.707285][ T3636] [ 44.707291][ T3636] write to 0xffff88810019b148 of 8 bytes by task 3635 on cpu 0: [ 44.707309][ T3636] rb_get_reader_page+0x854/0xdf0 [ 44.707338][ T3636] rb_buffer_peek+0x44/0x870 [ 44.707364][ T3636] ring_buffer_peek+0xb2/0x210 [ 44.707397][ T3636] __find_next_entry+0x229/0x420 [ 44.707424][ T3636] tracing_read_pipe+0x2f7/0x790 [ 44.707445][ T3636] vfs_read+0x18e/0x7c0 [ 44.707469][ T3636] ksys_read+0xdc/0x1a0 [ 44.707492][ T3636] __x64_sys_read+0x40/0x50 [ 44.707515][ T3636] x64_sys_call+0x2135/0x2550 [ 44.707538][ T3636] do_syscall_64+0x112/0x360 [ 44.707555][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 44.707573][ T3636] [ 44.707578][ T3636] read to 0xffff88810019b148 of 8 bytes by task 3636 on cpu 1: [ 44.707592][ T3636] rb_move_tail+0xa5/0xbb0 [ 44.707609][ T3636] __rb_reserve_next+0x47d/0x6c0 [ 44.707626][ T3636] ring_buffer_lock_reserve+0x6b3/0x860 [ 44.707651][ T3636] write_marker_to_buffer+0xa6/0x520 [ 44.707678][ T3636] tracing_mark_write+0x17a/0x200 [ 44.707704][ T3636] vfs_write+0x254/0x9a0 [ 44.707727][ T3636] ksys_write+0xdc/0x1a0 [ 44.707750][ T3636] __x64_sys_write+0x40/0x50 [ 44.707774][ T3636] x64_sys_call+0x154e/0x2550 [ 44.707797][ T3636] do_syscall_64+0x112/0x360 [ 44.707814][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 44.707869][ T3636] [ 44.707873][ T3636] value changed: 0xffff88810019b100 -> 0xffff88810019b0c0 [ 44.707885][ T3636] [ 44.707888][ T3636] Reported by Kernel Concurrency Sanitizer on: [ 44.707916][ T3636] CPU: 1 UID: 0 PID: 3636 Comm: syz-executor148 Not tainted syzkaller #0 PREEMPT(lazy) [ 44.707939][ T3636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.707950][ T3636] ================================================================== [ 44.932935][ T3636] ================================================================== [ 44.932969][ T3636] BUG: KCSAN: data-race in rb_get_reader_page / rb_move_tail [ 44.933009][ T3636] [ 44.933014][ T3636] write to 0xffff88810019b148 of 8 bytes by task 3635 on cpu 0: [ 44.933029][ T3636] rb_get_reader_page+0x854/0xdf0 [ 44.933058][ T3636] rb_buffer_peek+0x44/0x870 [ 44.933086][ T3636] ring_buffer_peek+0xb2/0x210 [ 44.933118][ T3636] __find_next_entry+0x229/0x420 [ 44.933142][ T3636] tracing_read_pipe+0x4d1/0x790 [ 44.933168][ T3636] vfs_read+0x18e/0x7c0 [ 44.933195][ T3636] ksys_read+0xdc/0x1a0 [ 44.933216][ T3636] __x64_sys_read+0x40/0x50 [ 44.933243][ T3636] x64_sys_call+0x2135/0x2550 [ 44.933262][ T3636] do_syscall_64+0x112/0x360 [ 44.933273][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 44.933284][ T3636] [ 44.933287][ T3636] read to 0xffff88810019b148 of 8 bytes by task 3636 on cpu 1: [ 44.933302][ T3636] rb_move_tail+0x4f3/0xbb0 [ 44.933313][ T3636] __rb_reserve_next+0x47d/0x6c0 [ 44.933323][ T3636] ring_buffer_lock_reserve+0x6b3/0x860 [ 44.933339][ T3636] write_marker_to_buffer+0xa6/0x520 [ 44.933355][ T3636] tracing_mark_write+0x17a/0x200 [ 44.933370][ T3636] vfs_write+0x254/0x9a0 [ 44.933384][ T3636] ksys_write+0xdc/0x1a0 [ 44.933398][ T3636] __x64_sys_write+0x40/0x50 [ 44.933413][ T3636] x64_sys_call+0x154e/0x2550 [ 44.933427][ T3636] do_syscall_64+0x112/0x360 [ 44.933437][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 44.933448][ T3636] [ 44.933450][ T3636] value changed: 0xffff88810019b0c0 -> 0xffff88810019b100 [ 44.933457][ T3636] [ 44.933459][ T3636] Reported by Kernel Concurrency Sanitizer on: [ 44.933465][ T3636] CPU: 1 UID: 0 PID: 3636 Comm: syz-executor148 Not tainted syzkaller #0 PREEMPT(lazy) [ 44.933480][ T3636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 44.933487][ T3636] ================================================================== [ 45.658614][ T3636] ================================================================== [ 45.658650][ T3636] BUG: KCSAN: data-race in rb_get_reader_page / ring_buffer_unlock_commit [ 45.658698][ T3636] [ 45.658704][ T3636] write to 0xffff888100078868 of 8 bytes by task 3635 on cpu 0: [ 45.658722][ T3636] rb_get_reader_page+0x8a3/0xdf0 [ 45.658757][ T3636] rb_buffer_peek+0x44/0x870 [ 45.658788][ T3636] ring_buffer_peek+0xb2/0x210 [ 45.658820][ T3636] __find_next_entry+0x229/0x420 [ 45.658848][ T3636] tracing_read_pipe+0x4d1/0x790 [ 45.658876][ T3636] vfs_read+0x18e/0x7c0 [ 45.658901][ T3636] ksys_read+0xdc/0x1a0 [ 45.658927][ T3636] __x64_sys_read+0x40/0x50 [ 45.658951][ T3636] x64_sys_call+0x2135/0x2550 [ 45.658972][ T3636] do_syscall_64+0x112/0x360 [ 45.658983][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.658994][ T3636] [ 45.658997][ T3636] read to 0xffff888100078868 of 8 bytes by task 3636 on cpu 1: [ 45.659006][ T3636] ring_buffer_unlock_commit+0x17b/0x450 [ 45.659022][ T3636] write_marker_to_buffer+0x38a/0x520 [ 45.659038][ T3636] tracing_mark_write+0x17a/0x200 [ 45.659054][ T3636] vfs_write+0x254/0x9a0 [ 45.659068][ T3636] ksys_write+0xdc/0x1a0 [ 45.659083][ T3636] __x64_sys_write+0x40/0x50 [ 45.659097][ T3636] x64_sys_call+0x154e/0x2550 [ 45.659110][ T3636] do_syscall_64+0x112/0x360 [ 45.659120][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.659131][ T3636] [ 45.659133][ T3636] value changed: 0xffff88810019b0c0 -> 0xffff88810019b140 [ 45.659140][ T3636] [ 45.659144][ T3636] Reported by Kernel Concurrency Sanitizer on: [ 45.659152][ T3636] CPU: 1 UID: 0 PID: 3636 Comm: syz-executor148 Not tainted syzkaller #0 PREEMPT(lazy) [ 45.659174][ T3636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 45.659181][ T3636] ================================================================== [ 48.018561][ T3636] ================================================================== [ 48.018598][ T3636] BUG: KCSAN: data-race in rb_get_reader_page / rb_move_tail [ 48.018632][ T3636] [ 48.018637][ T3636] write to 0xffff88810019b108 of 8 bytes by task 3635 on cpu 0: [ 48.018653][ T3636] rb_get_reader_page+0x854/0xdf0 [ 48.018689][ T3636] rb_buffer_peek+0x44/0x870 [ 48.018722][ T3636] ring_buffer_peek+0xb2/0x210 [ 48.018753][ T3636] __find_next_entry+0x229/0x420 [ 48.018780][ T3636] tracing_read_pipe+0x4d1/0x790 [ 48.018804][ T3636] vfs_read+0x18e/0x7c0 [ 48.018826][ T3636] ksys_read+0xdc/0x1a0 [ 48.018845][ T3636] __x64_sys_read+0x40/0x50 [ 48.018860][ T3636] x64_sys_call+0x2135/0x2550 [ 48.018874][ T3636] do_syscall_64+0x112/0x360 [ 48.018884][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.018896][ T3636] [ 48.018899][ T3636] read to 0xffff88810019b108 of 8 bytes by task 3636 on cpu 1: [ 48.018909][ T3636] rb_move_tail+0x4f3/0xbb0 [ 48.018919][ T3636] __rb_reserve_next+0x47d/0x6c0 [ 48.018930][ T3636] ring_buffer_lock_reserve+0x6b3/0x860 [ 48.018945][ T3636] write_marker_to_buffer+0xa6/0x520 [ 48.018963][ T3636] tracing_mark_write+0x17a/0x200 [ 48.018981][ T3636] vfs_write+0x254/0x9a0 [ 48.018995][ T3636] ksys_write+0xdc/0x1a0 [ 48.019017][ T3636] __x64_sys_write+0x40/0x50 [ 48.019034][ T3636] x64_sys_call+0x154e/0x2550 [ 48.019048][ T3636] do_syscall_64+0x112/0x360 [ 48.019058][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.019069][ T3636] [ 48.019071][ T3636] value changed: 0xffff88810019b140 -> 0xffff88810019b0c0 [ 48.019078][ T3636] [ 48.019080][ T3636] Reported by Kernel Concurrency Sanitizer on: [ 48.019087][ T3636] CPU: 1 UID: 0 PID: 3636 Comm: syz-executor148 Not tainted syzkaller #0 PREEMPT(lazy) [ 48.019101][ T3636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 48.019108][ T3636] ================================================================== [ 48.396316][ T3635] ================================================================== [ 48.396354][ T3635] BUG: KCSAN: data-race in rb_get_reader_page / rb_move_tail [ 48.396393][ T3635] [ 48.396399][ T3635] read-write to 0xffff888100078860 of 8 bytes by task 3636 on cpu 1: [ 48.396418][ T3635] rb_move_tail+0x560/0xbb0 [ 48.396438][ T3635] __rb_reserve_next+0x47d/0x6c0 [ 48.396455][ T3635] ring_buffer_lock_reserve+0x6b3/0x860 [ 48.396480][ T3635] write_marker_to_buffer+0xa6/0x520 [ 48.396508][ T3635] tracing_mark_write+0x17a/0x200 [ 48.396539][ T3635] vfs_write+0x254/0x9a0 [ 48.396576][ T3635] ksys_write+0xdc/0x1a0 [ 48.396604][ T3635] __x64_sys_write+0x40/0x50 [ 48.396629][ T3635] x64_sys_call+0x154e/0x2550 [ 48.396652][ T3635] do_syscall_64+0x112/0x360 [ 48.396670][ T3635] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.396692][ T3635] [ 48.396698][ T3635] read to 0xffff888100078860 of 8 bytes by task 3635 on cpu 0: [ 48.396716][ T3635] rb_get_reader_page+0x42e/0xdf0 [ 48.396745][ T3635] rb_buffer_peek+0x44/0x870 [ 48.396771][ T3635] ring_buffer_peek+0xb2/0x210 [ 48.396799][ T3635] __find_next_entry+0x229/0x420 [ 48.396828][ T3635] tracing_read_pipe+0x2f7/0x790 [ 48.396854][ T3635] vfs_read+0x18e/0x7c0 [ 48.396880][ T3635] ksys_read+0xdc/0x1a0 [ 48.396914][ T3635] __x64_sys_read+0x40/0x50 [ 48.396943][ T3635] x64_sys_call+0x2135/0x2550 [ 48.396970][ T3635] do_syscall_64+0x112/0x360 [ 48.396990][ T3635] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.397011][ T3635] [ 48.397015][ T3635] value changed: 0xffff88810019b100 -> 0xffff88810019b0c0 [ 48.397025][ T3635] [ 48.397029][ T3635] Reported by Kernel Concurrency Sanitizer on: [ 48.397039][ T3635] CPU: 0 UID: 0 PID: 3635 Comm: syz-executor148 Not tainted syzkaller #0 PREEMPT(lazy) [ 48.397061][ T3635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 48.397072][ T3635] ================================================================== [ 48.706558][ T3636] ================================================================== [ 48.706589][ T3636] BUG: KCSAN: data-race in rb_get_reader_page / rb_move_tail [ 48.706628][ T3636] [ 48.706634][ T3636] write to 0xffff88810019b148 of 8 bytes by task 3635 on cpu 0: [ 48.706652][ T3636] rb_get_reader_page+0x854/0xdf0 [ 48.706688][ T3636] rb_buffer_peek+0x44/0x870 [ 48.706714][ T3636] ring_buffer_peek+0xb2/0x210 [ 48.706748][ T3636] __find_next_entry+0x229/0x420 [ 48.706773][ T3636] tracing_read_pipe+0x2f7/0x790 [ 48.706795][ T3636] vfs_read+0x18e/0x7c0 [ 48.706818][ T3636] ksys_read+0xdc/0x1a0 [ 48.706842][ T3636] __x64_sys_read+0x40/0x50 [ 48.706866][ T3636] x64_sys_call+0x2135/0x2550 [ 48.706889][ T3636] do_syscall_64+0x112/0x360 [ 48.706906][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.706925][ T3636] [ 48.706930][ T3636] read to 0xffff88810019b148 of 8 bytes by task 3636 on cpu 1: [ 48.706944][ T3636] rb_move_tail+0xa5/0xbb0 [ 48.706961][ T3636] __rb_reserve_next+0x47d/0x6c0 [ 48.706978][ T3636] ring_buffer_lock_reserve+0x6b3/0x860 [ 48.707004][ T3636] write_marker_to_buffer+0xa6/0x520 [ 48.707031][ T3636] tracing_mark_write+0x17a/0x200 [ 48.707058][ T3636] vfs_write+0x254/0x9a0 [ 48.707081][ T3636] ksys_write+0xdc/0x1a0 [ 48.707105][ T3636] __x64_sys_write+0x40/0x50 [ 48.707130][ T3636] x64_sys_call+0x154e/0x2550 [ 48.707152][ T3636] do_syscall_64+0x112/0x360 [ 48.707169][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.707187][ T3636] [ 48.707190][ T3636] value changed: 0xffff88810019b100 -> 0xffff88810019b0c0 [ 48.707201][ T3636] [ 48.707205][ T3636] Reported by Kernel Concurrency Sanitizer on: [ 48.707214][ T3636] CPU: 1 UID: 0 PID: 3636 Comm: syz-executor148 Not tainted syzkaller #0 PREEMPT(lazy) [ 48.707237][ T3636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 48.707247][ T3636] ================================================================== [ 49.020597][ T3636] ================================================================== [ 49.020633][ T3636] BUG: KCSAN: data-race in rb_get_reader_page / ring_buffer_unlock_commit [ 49.020675][ T3636] [ 49.020681][ T3636] write to 0xffff888100078868 of 8 bytes by task 3635 on cpu 0: [ 49.020698][ T3636] rb_get_reader_page+0x8a3/0xdf0 [ 49.020727][ T3636] rb_buffer_peek+0x44/0x870 [ 49.020757][ T3636] ring_buffer_peek+0xb2/0x210 [ 49.020790][ T3636] __find_next_entry+0x229/0x420 [ 49.020818][ T3636] tracing_read_pipe+0x2f7/0x790 [ 49.020841][ T3636] vfs_read+0x18e/0x7c0 [ 49.020869][ T3636] ksys_read+0xdc/0x1a0 [ 49.020894][ T3636] __x64_sys_read+0x40/0x50 [ 49.020918][ T3636] x64_sys_call+0x2135/0x2550 [ 49.020941][ T3636] do_syscall_64+0x112/0x360 [ 49.020960][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.020982][ T3636] [ 49.020988][ T3636] read to 0xffff888100078868 of 8 bytes by task 3636 on cpu 1: [ 49.021006][ T3636] ring_buffer_unlock_commit+0x17b/0x450 [ 49.021036][ T3636] write_marker_to_buffer+0x38a/0x520 [ 49.021067][ T3636] tracing_mark_write+0x17a/0x200 [ 49.021093][ T3636] vfs_write+0x254/0x9a0 [ 49.021121][ T3636] ksys_write+0xdc/0x1a0 [ 49.021144][ T3636] __x64_sys_write+0x40/0x50 [ 49.021163][ T3636] x64_sys_call+0x154e/0x2550 [ 49.021177][ T3636] do_syscall_64+0x112/0x360 [ 49.021187][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.021198][ T3636] [ 49.021200][ T3636] value changed: 0xffff88810019b0c0 -> 0xffff88810019b100 [ 49.021207][ T3636] [ 49.021209][ T3636] Reported by Kernel Concurrency Sanitizer on: [ 49.021216][ T3636] CPU: 1 UID: 0 PID: 3636 Comm: syz-executor148 Not tainted syzkaller #0 PREEMPT(lazy) [ 49.021230][ T3636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 49.021237][ T3636] ================================================================== [ 49.323153][ T29] audit: type=1400 audit(1790494882.826:188): avc: denied { write } for pid=3643 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 [ 49.362061][ T29] audit: type=1400 audit(1790494882.866:189): avc: denied { write } for pid=3654 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 [ 49.677530][ T29] audit: type=1400 audit(1790494883.186:190): avc: denied { write } for pid=3657 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 [ 49.728926][ T29] audit: type=1400 audit(1790494883.236:191): avc: denied { write } for pid=3668 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 [ 49.877562][ T29] audit: type=1400 audit(1790494883.386:192): avc: denied { write } for pid=3671 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 [ 49.920157][ T29] audit: type=1400 audit(1790494883.426:193): avc: denied { write } for pid=3682 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 [ 50.213758][ T29] audit: type=1400 audit(1790494883.716:194): avc: denied { write } for pid=3685 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 [ 50.272302][ T29] audit: type=1400 audit(1790494883.776:195): avc: denied { write } for pid=3696 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 [ 50.423330][ T29] audit: type=1400 audit(1790494883.926:196): avc: denied { write } for pid=3699 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 [ 50.485249][ T29] audit: type=1400 audit(1790494883.996:197): avc: denied { write } for pid=3710 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 [ 51.125122][ T3636] ================================================================== [ 51.125153][ T3636] BUG: KCSAN: data-race in rb_get_reader_page / rb_move_tail [ 51.125188][ T3636] [ 51.125194][ T3636] write to 0xffff88810019b108 of 8 bytes by task 3635 on cpu 0: [ 51.125209][ T3636] rb_get_reader_page+0x854/0xdf0 [ 51.125244][ T3636] rb_buffer_peek+0x44/0x870 [ 51.125275][ T3636] ring_buffer_peek+0xb2/0x210 [ 51.125299][ T3636] __find_next_entry+0x229/0x420 [ 51.125328][ T3636] tracing_read_pipe+0x2f7/0x790 [ 51.125351][ T3636] vfs_read+0x18e/0x7c0 [ 51.125378][ T3636] ksys_read+0xdc/0x1a0 [ 51.125401][ T3636] __x64_sys_read+0x40/0x50 [ 51.125424][ T3636] x64_sys_call+0x2135/0x2550 [ 51.125447][ T3636] do_syscall_64+0x112/0x360 [ 51.125466][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.125488][ T3636] [ 51.125494][ T3636] read to 0xffff88810019b108 of 8 bytes by task 3636 on cpu 1: [ 51.125511][ T3636] rb_move_tail+0x4f3/0xbb0 [ 51.125532][ T3636] __rb_reserve_next+0x47d/0x6c0 [ 51.125549][ T3636] ring_buffer_lock_reserve+0x6b3/0x860 [ 51.125574][ T3636] write_marker_to_buffer+0xa6/0x520 [ 51.125600][ T3636] tracing_mark_write+0x17a/0x200 [ 51.125631][ T3636] vfs_write+0x254/0x9a0 [ 51.125665][ T3636] ksys_write+0xdc/0x1a0 [ 51.125691][ T3636] __x64_sys_write+0x40/0x50 [ 51.125717][ T3636] x64_sys_call+0x154e/0x2550 [ 51.125743][ T3636] do_syscall_64+0x112/0x360 [ 51.125763][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.125785][ T3636] [ 51.125789][ T3636] value changed: 0xffff88810019b0c0 -> 0xffff88810019b140 [ 51.125802][ T3636] [ 51.125806][ T3636] Reported by Kernel Concurrency Sanitizer on: [ 51.125816][ T3636] CPU: 1 UID: 0 PID: 3636 Comm: syz-executor148 Not tainted syzkaller #0 PREEMPT(lazy) [ 51.125843][ T3636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 51.125857][ T3636] ================================================================== [ 51.238212][ T29] audit: type=1400 audit(1790494884.746:198): avc: denied { write } for pid=3713 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 [ 51.272658][ T29] audit: type=1400 audit(1790494884.776:199): avc: denied { write } for pid=3724 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 [ 52.095701][ T3636] ================================================================== [ 52.095743][ T3636] BUG: KCSAN: data-race in rb_get_reader_page / ring_buffer_unlock_commit [ 52.095785][ T3636] [ 52.095790][ T3636] write to 0xffff888100078868 of 8 bytes by task 3635 on cpu 0: [ 52.095808][ T3636] rb_get_reader_page+0x8a3/0xdf0 [ 52.095845][ T3636] rb_buffer_peek+0x44/0x870 [ 52.095874][ T3636] ring_buffer_peek+0xb2/0x210 [ 52.095900][ T3636] __find_next_entry+0x229/0x420 [ 52.095926][ T3636] tracing_read_pipe+0x4d1/0x790 [ 52.095954][ T3636] vfs_read+0x18e/0x7c0 [ 52.095979][ T3636] ksys_read+0xdc/0x1a0 [ 52.096005][ T3636] __x64_sys_read+0x40/0x50 [ 52.096034][ T3636] x64_sys_call+0x2135/0x2550 [ 52.096060][ T3636] do_syscall_64+0x112/0x360 [ 52.096077][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 52.096095][ T3636] [ 52.096100][ T3636] read to 0xffff888100078868 of 8 bytes by task 3636 on cpu 1: [ 52.096118][ T3636] ring_buffer_unlock_commit+0x17b/0x450 [ 52.096150][ T3636] write_marker_to_buffer+0x38a/0x520 [ 52.096179][ T3636] tracing_mark_write+0x17a/0x200 [ 52.096203][ T3636] vfs_write+0x254/0x9a0 [ 52.096219][ T3636] ksys_write+0xdc/0x1a0 [ 52.096233][ T3636] __x64_sys_write+0x40/0x50 [ 52.096249][ T3636] x64_sys_call+0x154e/0x2550 [ 52.096262][ T3636] do_syscall_64+0x112/0x360 [ 52.096272][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 52.096284][ T3636] [ 52.096286][ T3636] value changed: 0xffff88810019b0c0 -> 0xffff88810019b140 [ 52.096294][ T3636] [ 52.096296][ T3636] Reported by Kernel Concurrency Sanitizer on: [ 52.096302][ T3636] CPU: 1 UID: 0 PID: 3636 Comm: syz-executor148 Not tainted syzkaller #0 PREEMPT(lazy) [ 52.096317][ T3636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 52.096324][ T3636] ================================================================== [ 52.301895][ T3635] ================================================================== [ 52.301927][ T3635] BUG: KCSAN: data-race in rb_get_reader_page / rb_move_tail [ 52.301962][ T3635] [ 52.301968][ T3635] read-write to 0xffff888100078860 of 8 bytes by task 3636 on cpu 1: [ 52.301986][ T3635] rb_move_tail+0x560/0xbb0 [ 52.302007][ T3635] __rb_reserve_next+0x47d/0x6c0 [ 52.302028][ T3635] ring_buffer_lock_reserve+0x6b3/0x860 [ 52.302057][ T3635] write_marker_to_buffer+0xa6/0x520 [ 52.302088][ T3635] tracing_mark_write+0x17a/0x200 [ 52.302115][ T3635] vfs_write+0x254/0x9a0 [ 52.302143][ T3635] ksys_write+0xdc/0x1a0 [ 52.302166][ T3635] __x64_sys_write+0x40/0x50 [ 52.302191][ T3635] x64_sys_call+0x154e/0x2550 [ 52.302213][ T3635] do_syscall_64+0x112/0x360 [ 52.302232][ T3635] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 52.302267][ T3635] [ 52.302271][ T3635] read to 0xffff888100078860 of 8 bytes by task 3635 on cpu 0: [ 52.302285][ T3635] rb_get_reader_page+0x42e/0xdf0 [ 52.302317][ T3635] rb_buffer_peek+0x44/0x870 [ 52.302347][ T3635] ring_buffer_peek+0xb2/0x210 [ 52.302377][ T3635] __find_next_entry+0x229/0x420 [ 52.302402][ T3635] tracing_read_pipe+0x4d1/0x790 [ 52.302424][ T3635] vfs_read+0x18e/0x7c0 [ 52.302445][ T3635] ksys_read+0xdc/0x1a0 [ 52.302471][ T3635] __x64_sys_read+0x40/0x50 [ 52.302499][ T3635] x64_sys_call+0x2135/0x2550 [ 52.302531][ T3635] do_syscall_64+0x112/0x360 [ 52.302551][ T3635] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 52.302573][ T3635] [ 52.302577][ T3635] value changed: 0xffff88810019b0c0 -> 0xffff88810019b140 [ 52.302591][ T3635] [ 52.302595][ T3635] Reported by Kernel Concurrency Sanitizer on: [ 52.302607][ T3635] CPU: 0 UID: 0 PID: 3635 Comm: syz-executor148 Not tainted syzkaller #0 PREEMPT(lazy) [ 52.302634][ T3635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 52.302647][ T3635] ================================================================== [ 52.751239][ T3636] ================================================================== [ 52.751276][ T3636] BUG: KCSAN: data-race in rb_get_reader_page / rb_move_tail [ 52.751317][ T3636] [ 52.751323][ T3636] write to 0xffff88810019b148 of 8 bytes by task 3635 on cpu 0: [ 52.751341][ T3636] rb_get_reader_page+0x854/0xdf0 [ 52.751372][ T3636] rb_buffer_peek+0x44/0x870 [ 52.751398][ T3636] ring_buffer_peek+0xb2/0x210 [ 52.751424][ T3636] __find_next_entry+0x229/0x420 [ 52.751448][ T3636] tracing_read_pipe+0x2f7/0x790 [ 52.751470][ T3636] vfs_read+0x18e/0x7c0 [ 52.751494][ T3636] ksys_read+0xdc/0x1a0 [ 52.751517][ T3636] __x64_sys_read+0x40/0x50 [ 52.751541][ T3636] x64_sys_call+0x2135/0x2550 [ 52.751564][ T3636] do_syscall_64+0x112/0x360 [ 52.751581][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 52.751600][ T3636] [ 52.751609][ T3636] read to 0xffff88810019b148 of 8 bytes by task 3636 on cpu 1: [ 52.751629][ T3636] rb_move_tail+0xa5/0xbb0 [ 52.751646][ T3636] __rb_reserve_next+0x47d/0x6c0 [ 52.751663][ T3636] ring_buffer_lock_reserve+0x6b3/0x860 [ 52.751688][ T3636] write_marker_to_buffer+0xa6/0x520 [ 52.751715][ T3636] tracing_mark_write+0x17a/0x200 [ 52.751741][ T3636] vfs_write+0x254/0x9a0 [ 52.751765][ T3636] ksys_write+0xdc/0x1a0 [ 52.751788][ T3636] __x64_sys_write+0x40/0x50 [ 52.751812][ T3636] x64_sys_call+0x154e/0x2550 [ 52.751834][ T3636] do_syscall_64+0x112/0x360 [ 52.751851][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 52.751869][ T3636] [ 52.751872][ T3636] value changed: 0xffff88810019b0c0 -> 0xffff88810019b100 [ 52.751883][ T3636] [ 52.751887][ T3636] Reported by Kernel Concurrency Sanitizer on: [ 52.751896][ T3636] CPU: 1 UID: 0 PID: 3636 Comm: syz-executor148 Not tainted syzkaller #0 PREEMPT(lazy) [ 52.751919][ T3636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 52.751930][ T3636] ================================================================== [ 54.256263][ T3636] ================================================================== [ 54.256300][ T3636] BUG: KCSAN: data-race in rb_get_reader_page / rb_move_tail [ 54.256337][ T3636] [ 54.256342][ T3636] write to 0xffff88810019b108 of 8 bytes by task 3635 on cpu 0: [ 54.256358][ T3636] rb_get_reader_page+0x854/0xdf0 [ 54.256395][ T3636] rb_buffer_peek+0x44/0x870 [ 54.256423][ T3636] ring_buffer_peek+0xb2/0x210 [ 54.256450][ T3636] __find_next_entry+0x229/0x420 [ 54.256477][ T3636] tracing_read_pipe+0x2f7/0x790 [ 54.256500][ T3636] vfs_read+0x18e/0x7c0 [ 54.256524][ T3636] ksys_read+0xdc/0x1a0 [ 54.256540][ T3636] __x64_sys_read+0x40/0x50 [ 54.256554][ T3636] x64_sys_call+0x2135/0x2550 [ 54.256568][ T3636] do_syscall_64+0x112/0x360 [ 54.256579][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.256590][ T3636] [ 54.256594][ T3636] read to 0xffff88810019b108 of 8 bytes by task 3636 on cpu 1: [ 54.256603][ T3636] rb_move_tail+0x4f3/0xbb0 [ 54.256613][ T3636] __rb_reserve_next+0x47d/0x6c0 [ 54.256624][ T3636] ring_buffer_lock_reserve+0x6b3/0x860 [ 54.256639][ T3636] write_marker_to_buffer+0xa6/0x520 [ 54.256655][ T3636] tracing_mark_write+0x17a/0x200 [ 54.256670][ T3636] vfs_write+0x254/0x9a0 [ 54.256684][ T3636] ksys_write+0xdc/0x1a0 [ 54.256698][ T3636] __x64_sys_write+0x40/0x50 [ 54.256713][ T3636] x64_sys_call+0x154e/0x2550 [ 54.256726][ T3636] do_syscall_64+0x112/0x360 [ 54.256736][ T3636] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.256747][ T3636] [ 54.256749][ T3636] value changed: 0xffff88810019b140 -> 0xffff88810019b0c0 [ 54.256756][ T3636] [ 54.256758][ T3636] Reported by Kernel Concurrency Sanitizer on: [ 54.256765][ T3636] CPU: 1 UID: 0 PID: 3636 Comm: syz-executor148 Not tainted syzkaller #0 PREEMPT(lazy) [ 54.256779][ T3636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 54.256787][ T3636] ==================================================================