[ 44.997368][ T29] audit: type=1400 audit(1791718603.549:183): avc: denied { write } for pid=3642 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 [ 45.029517][ T3023] 8021q: adding VLAN 0 to HW filter on device eth4 Warning: Permanently added '10.128.1.144' (ED25519) to the list of known hosts. [+] memfd_create successful. [+] calloc successful. [+] write successful. [+] open /dev/null successful. [+] pthread_create 1 successful. [+] pthread_create 2 successful. [ 50.253192][ T3658] ================================================================== [ 50.253236][ T3658] BUG: KCSAN: data-race in do_sendfile / do_sendfile [ 50.253266][ T3658] [ 50.253272][ T3658] write to 0xffff888100ab77e8 of 8 bytes by task 3657 on cpu 0: [ 50.253292][ T3658] do_sendfile+0x44c/0x640 [ 50.253323][ T3658] __x64_sys_sendfile64+0x105/0x150 [ 50.253352][ T3658] x64_sys_call+0x1015/0x2550 [ 50.253387][ T3658] do_syscall_64+0x112/0x360 [ 50.253412][ T3658] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.253435][ T3658] [ 50.253442][ T3658] read to 0xffff888100ab77e8 of 8 bytes by task 3658 on cpu 1: [ 50.253464][ T3658] do_sendfile+0x116/0x640 [ 50.253492][ T3658] __x64_sys_sendfile64+0x105/0x150 [ 50.253513][ T3658] x64_sys_call+0x1015/0x2550 [ 50.253538][ T3658] do_syscall_64+0x112/0x360 [ 50.253563][ T3658] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.253591][ T3658] [ 50.253597][ T3658] value changed: 0x0000000000004000 -> 0x0000000000008000 [ 50.253611][ T3658] [ 50.253616][ T3658] Reported by Kernel Concurrency Sanitizer on: [ 50.253642][ T3658] CPU: 1 UID: 0 PID: 3658 Comm: syz-executor185 Not tainted syzkaller #0 PREEMPT(lazy) [ 50.253677][ T3658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 50.253695][ T3658] ================================================================== [ 50.394172][ T3657] ================================================================== [ 50.394213][ T3657] BUG: KCSAN: data-race in do_sendfile / do_sendfile [ 50.394248][ T3657] [ 50.394254][ T3657] write to 0xffff888100ab77e8 of 8 bytes by task 3658 on cpu 1: [ 50.394271][ T3657] do_sendfile+0x44c/0x640 [ 50.394302][ T3657] __x64_sys_sendfile64+0x105/0x150 [ 50.394327][ T3657] x64_sys_call+0x1015/0x2550 [ 50.394352][ T3657] do_syscall_64+0x112/0x360 [ 50.394382][ T3657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.394411][ T3657] [ 50.394419][ T3657] write to 0xffff888100ab77e8 of 8 bytes by task 3657 on cpu 0: [ 50.394438][ T3657] do_sendfile+0x44c/0x640 [ 50.394459][ T3657] __x64_sys_sendfile64+0x105/0x150 [ 50.394480][ T3657] x64_sys_call+0x1015/0x2550 [ 50.394514][ T3657] do_syscall_64+0x112/0x360 [ 50.394547][ T3657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.394576][ T3657] [ 50.394582][ T3657] value changed: 0x000000000000f000 -> 0x000000000000a000 [ 50.394596][ T3657] [ 50.394600][ T3657] Reported by Kernel Concurrency Sanitizer on: [ 50.394611][ T3657] CPU: 0 UID: 0 PID: 3657 Comm: syz-executor185 Not tainted syzkaller #0 PREEMPT(lazy) [ 50.394635][ T3657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 50.394648][ T3657] ================================================================== [ 50.610937][ T3658] ================================================================== [ 50.610971][ T3658] BUG: KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read [ 50.611012][ T3658] [ 50.611018][ T3658] write to 0xffff888100ab7820 of 8 bytes by task 3657 on cpu 0: [ 50.611034][ T3658] shmem_file_splice_read+0x401/0x590 [ 50.611057][ T3658] splice_direct_to_actor+0x261/0x680 [ 50.611085][ T3658] do_splice_direct+0x119/0x1a0 [ 50.611106][ T3658] do_sendfile+0x37d/0x640 [ 50.611127][ T3658] __x64_sys_sendfile64+0x105/0x150 [ 50.611147][ T3658] x64_sys_call+0x1015/0x2550 [ 50.611182][ T3658] do_syscall_64+0x112/0x360 [ 50.611216][ T3658] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.611245][ T3658] [ 50.611253][ T3658] write to 0xffff888100ab7820 of 8 bytes by task 3658 on cpu 1: [ 50.611277][ T3658] shmem_file_splice_read+0x401/0x590 [ 50.611311][ T3658] splice_direct_to_actor+0x261/0x680 [ 50.611339][ T3658] do_splice_direct+0x119/0x1a0 [ 50.611368][ T3658] do_sendfile+0x37d/0x640 [ 50.611393][ T3658] __x64_sys_sendfile64+0x105/0x150 [ 50.611423][ T3658] x64_sys_call+0x1015/0x2550 [ 50.611456][ T3658] do_syscall_64+0x112/0x360 [ 50.611480][ T3658] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.611500][ T3658] [ 50.611505][ T3658] value changed: 0x000000000000e000 -> 0x0000000000010000 [ 50.611521][ T3658] [ 50.611527][ T3658] Reported by Kernel Concurrency Sanitizer on: [ 50.611539][ T3658] CPU: 1 UID: 0 PID: 3658 Comm: syz-executor185 Not tainted syzkaller #0 PREEMPT(lazy) [ 50.611564][ T3658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 50.611577][ T3658] ================================================================== [ 50.870738][ T3657] ================================================================== [ 50.870805][ T3657] BUG: KCSAN: data-race in do_sendfile / generic_file_llseek_size [ 50.870848][ T3657] [ 50.870855][ T3657] write to 0xffff888100ab77e8 of 8 bytes by task 3658 on cpu 1: [ 50.870874][ T3657] do_sendfile+0x44c/0x640 [ 50.870901][ T3657] __x64_sys_sendfile64+0x105/0x150 [ 50.870924][ T3657] x64_sys_call+0x1015/0x2550 [ 50.870953][ T3657] do_syscall_64+0x112/0x360 [ 50.870987][ T3657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.871019][ T3657] [ 50.871028][ T3657] write to 0xffff888100ab77e8 of 8 bytes by task 3657 on cpu 0: [ 50.871054][ T3657] generic_file_llseek_size+0x1bc/0x340 [ 50.871097][ T3657] shmem_file_llseek+0xef/0x120 [ 50.871120][ T3657] __x64_sys_lseek+0xe8/0x160 [ 50.871151][ T3657] x64_sys_call+0x156b/0x2550 [ 50.871183][ T3657] do_syscall_64+0x112/0x360 [ 50.871219][ T3657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.871252][ T3657] [ 50.871258][ T3657] value changed: 0x0000000000010000 -> 0x000000000000b000 [ 50.871276][ T3657] [ 50.871291][ T3657] Reported by Kernel Concurrency Sanitizer on: [ 50.871309][ T3657] CPU: 0 UID: 0 PID: 3657 Comm: syz-executor185 Not tainted syzkaller #0 PREEMPT(lazy) [ 50.871338][ T3657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 50.871352][ T3657] ================================================================== [ 51.336625][ T3657] ================================================================== [ 51.336679][ T3657] BUG: KCSAN: data-race in do_sendfile / generic_file_llseek_size [ 51.336737][ T3657] [ 51.336746][ T3657] write to 0xffff888100ab77e8 of 8 bytes by task 3658 on cpu 1: [ 51.336772][ T3657] do_sendfile+0x44c/0x640 [ 51.336797][ T3657] __x64_sys_sendfile64+0x105/0x150 [ 51.336821][ T3657] x64_sys_call+0x1015/0x2550 [ 51.336855][ T3657] do_syscall_64+0x112/0x360 [ 51.336892][ T3657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.336925][ T3657] [ 51.336933][ T3657] read to 0xffff888100ab77e8 of 8 bytes by task 3657 on cpu 0: [ 51.336955][ T3657] generic_file_llseek_size+0x191/0x340 [ 51.336988][ T3657] shmem_file_llseek+0xef/0x120 [ 51.337020][ T3657] __x64_sys_lseek+0xe8/0x160 [ 51.337059][ T3657] x64_sys_call+0x156b/0x2550 [ 51.337093][ T3657] do_syscall_64+0x112/0x360 [ 51.337119][ T3657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.337142][ T3657] [ 51.337147][ T3657] value changed: 0x0000000000007000 -> 0x0000000000009000 [ 51.337160][ T3657] [ 51.337166][ T3657] Reported by Kernel Concurrency Sanitizer on: [ 51.337183][ T3657] CPU: 0 UID: 0 PID: 3657 Comm: syz-executor185 Not tainted syzkaller #0 PREEMPT(lazy) [ 51.337221][ T3657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 51.337249][ T3657] ================================================================== [ 53.305571][ T3658] ================================================================== [ 53.305610][ T3658] BUG: KCSAN: data-race in do_sendfile / do_sendfile [ 53.305647][ T3658] [ 53.305656][ T3658] write to 0xffff888100ab77e8 of 8 bytes by task 3657 on cpu 0: [ 53.305681][ T3658] do_sendfile+0x44c/0x640 [ 53.305705][ T3658] __x64_sys_sendfile64+0x105/0x150 [ 53.305728][ T3658] x64_sys_call+0x1015/0x2550 [ 53.305759][ T3658] do_syscall_64+0x112/0x360 [ 53.305796][ T3658] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 53.305828][ T3658] [ 53.305836][ T3658] read to 0xffff888100ab77e8 of 8 bytes by task 3658 on cpu 1: [ 53.305861][ T3658] do_sendfile+0x116/0x640 [ 53.305895][ T3658] __x64_sys_sendfile64+0x105/0x150 [ 53.305919][ T3658] x64_sys_call+0x1015/0x2550 [ 53.305958][ T3658] do_syscall_64+0x112/0x360 [ 53.305989][ T3658] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 53.306018][ T3658] [ 53.306024][ T3658] value changed: 0x000000000000c000 -> 0x000000000000b000 [ 53.306042][ T3658] [ 53.306048][ T3658] Reported by Kernel Concurrency Sanitizer on: [ 53.306062][ T3658] CPU: 1 UID: 0 PID: 3658 Comm: syz-executor185 Not tainted syzkaller #0 PREEMPT(lazy) [ 53.306098][ T3658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 53.306114][ T3658] ================================================================== [ 53.504207][ T3658] ================================================================== [ 53.504239][ T3658] BUG: KCSAN: data-race in do_sendfile / do_sendfile [ 53.504270][ T3658] [ 53.504278][ T3658] write to 0xffff888100ab77e8 of 8 bytes by task 3657 on cpu 0: [ 53.504301][ T3658] do_sendfile+0x44c/0x640 [ 53.504331][ T3658] __x64_sys_sendfile64+0x105/0x150 [ 53.504361][ T3658] x64_sys_call+0x1015/0x2550 [ 53.504392][ T3658] do_syscall_64+0x112/0x360 [ 53.504425][ T3658] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 53.504456][ T3658] [ 53.504463][ T3658] write to 0xffff888100ab77e8 of 8 bytes by task 3658 on cpu 1: [ 53.504485][ T3658] do_sendfile+0x44c/0x640 [ 53.504515][ T3658] __x64_sys_sendfile64+0x105/0x150 [ 53.504541][ T3658] x64_sys_call+0x1015/0x2550 [ 53.504583][ T3658] do_syscall_64+0x112/0x360 [ 53.504614][ T3658] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 53.504635][ T3658] [ 53.504639][ T3658] value changed: 0x000000000000a000 -> 0x0000000000000000 [ 53.504650][ T3658] [ 53.504654][ T3658] Reported by Kernel Concurrency Sanitizer on: [ 53.504672][ T3658] CPU: 1 UID: 0 PID: 3658 Comm: syz-executor185 Not tainted syzkaller #0 PREEMPT(lazy) [ 53.504706][ T3658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 53.504723][ T3658] ================================================================== [ 53.651598][ T3657] ================================================================== [ 53.651639][ T3657] BUG: KCSAN: data-race in shmem_file_splice_read / shmem_file_splice_read [ 53.651677][ T3657] [ 53.651684][ T3657] write to 0xffff888100ab7820 of 8 bytes by task 3658 on cpu 1: [ 53.651700][ T3657] shmem_file_splice_read+0x401/0x590 [ 53.651732][ T3657] splice_direct_to_actor+0x261/0x680 [ 53.651764][ T3657] do_splice_direct+0x119/0x1a0 [ 53.651793][ T3657] do_sendfile+0x37d/0x640 [ 53.651821][ T3657] __x64_sys_sendfile64+0x105/0x150 [ 53.651845][ T3657] x64_sys_call+0x1015/0x2550 [ 53.651881][ T3657] do_syscall_64+0x112/0x360 [ 53.651914][ T3657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 53.651943][ T3657] [ 53.651951][ T3657] write to 0xffff888100ab7820 of 8 bytes by task 3657 on cpu 0: [ 53.651972][ T3657] shmem_file_splice_read+0x401/0x590 [ 53.651995][ T3657] splice_direct_to_actor+0x261/0x680 [ 53.652017][ T3657] do_splice_direct+0x119/0x1a0 [ 53.652037][ T3657] do_sendfile+0x37d/0x640 [ 53.652066][ T3657] __x64_sys_sendfile64+0x105/0x150 [ 53.652090][ T3657] x64_sys_call+0x1015/0x2550 [ 53.652115][ T3657] do_syscall_64+0x112/0x360 [ 53.652137][ T3657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 53.652164][ T3657] [ 53.652169][ T3657] value changed: 0x0000000000004000 -> 0x0000000000009000 [ 53.652185][ T3657] [ 53.652190][ T3657] Reported by Kernel Concurrency Sanitizer on: [ 53.652205][ T3657] CPU: 0 UID: 0 PID: 3657 Comm: syz-executor185 Not tainted syzkaller #0 PREEMPT(lazy) [ 53.652239][ T3657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 53.652256][ T3657] ================================================================== [ 54.090726][ T3658] ================================================================== [ 54.090778][ T3658] BUG: KCSAN: data-race in do_sendfile / generic_file_llseek_size [ 54.090829][ T3658] [ 54.090838][ T3658] write to 0xffff888100ab77e8 of 8 bytes by task 3657 on cpu 0: [ 54.090861][ T3658] do_sendfile+0x44c/0x640 [ 54.090891][ T3658] __x64_sys_sendfile64+0x105/0x150 [ 54.090918][ T3658] x64_sys_call+0x1015/0x2550 [ 54.090943][ T3658] do_syscall_64+0x112/0x360 [ 54.090978][ T3658] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.091003][ T3658] [ 54.091010][ T3658] write to 0xffff888100ab77e8 of 8 bytes by task 3658 on cpu 1: [ 54.091032][ T3658] generic_file_llseek_size+0x1bc/0x340 [ 54.091072][ T3658] shmem_file_llseek+0xef/0x120 [ 54.091102][ T3658] __x64_sys_lseek+0xe8/0x160 [ 54.091140][ T3658] x64_sys_call+0x156b/0x2550 [ 54.091174][ T3658] do_syscall_64+0x112/0x360 [ 54.091202][ T3658] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.091223][ T3658] [ 54.091226][ T3658] value changed: 0x0000000000010000 -> 0x0000000000007000 [ 54.091238][ T3658] [ 54.091242][ T3658] Reported by Kernel Concurrency Sanitizer on: [ 54.091253][ T3658] CPU: 1 UID: 0 PID: 3658 Comm: syz-executor185 Not tainted syzkaller #0 PREEMPT(lazy) [ 54.091287][ T3658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 54.091302][ T3658] ================================================================== [ 54.489077][ T3657] ================================================================== [ 54.489136][ T3657] BUG: KCSAN: data-race in do_sendfile / generic_file_llseek_size [ 54.489195][ T3657] [ 54.489204][ T3657] write to 0xffff888100ab77e8 of 8 bytes by task 3658 on cpu 1: [ 54.489231][ T3657] do_sendfile+0x44c/0x640 [ 54.489262][ T3657] __x64_sys_sendfile64+0x105/0x150 [ 54.489285][ T3657] x64_sys_call+0x1015/0x2550 [ 54.489318][ T3657] do_syscall_64+0x112/0x360 [ 54.489355][ T3657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.489388][ T3657] [ 54.489397][ T3657] read to 0xffff888100ab77e8 of 8 bytes by task 3657 on cpu 0: [ 54.489422][ T3657] generic_file_llseek_size+0x191/0x340 [ 54.489464][ T3657] shmem_file_llseek+0xef/0x120 [ 54.489496][ T3657] __x64_sys_lseek+0xe8/0x160 [ 54.489540][ T3657] x64_sys_call+0x156b/0x2550 [ 54.489579][ T3657] do_syscall_64+0x112/0x360 [ 54.489614][ T3657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.489638][ T3657] [ 54.489643][ T3657] value changed: 0x0000000000010000 -> 0x0000000000003000 [ 54.489656][ T3657] [ 54.489660][ T3657] Reported by Kernel Concurrency Sanitizer on: [ 54.489672][ T3657] CPU: 0 UID: 0 PID: 3657 Comm: syz-executor185 Not tainted syzkaller #0 PREEMPT(lazy) [ 54.489706][ T3657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 54.489726][ T3657] ================================================================== [ 55.119301][ T29] audit: type=1400 audit(1791718613.669:184): avc: denied { write } for pid=3662 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 [ 55.173035][ T29] audit: type=1400 audit(1791718613.719:185): avc: denied { write } for pid=3673 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 [+] pthread_join 1 successful. [+] pthread_join 2 successful. [+] close memfd successful. [+] close nullfd successful. [+] All checks passed.