m="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 [ 41.303197][ T3024] 8021q: adding VLAN 0 to HW filter on device eth7 [ 41.418755][ T29] audit: type=1400 audit(1790892606.261:182): avc: denied { write } for pid=3604 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 [ 41.459669][ T29] audit: type=1400 audit(1790892606.301:183): avc: denied { write } for pid=3617 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 [ 41.495927][ T3024] 8021q: adding VLAN 0 to HW filter on device eth8 Warning: Permanently added '10.128.0.136' (ED25519) to the list of known hosts. [+] open successful. [ 48.839009][ T3639] ================================================================== [ 48.839052][ T3639] BUG: KCSAN: data-race in xas_find_marked / xas_init_marks [ 48.839082][ T3639] [ 48.839088][ T3639] read-write to 0xffff88811a03d6b0 of 8 bytes by task 3640 on cpu 1: [ 48.839104][ T3639] xas_init_marks+0x18a/0x320 [ 48.839125][ T3639] xas_store+0x243/0xce0 [ 48.839147][ T3639] delete_from_page_cache_batch+0x324/0x720 [ 48.839170][ T3639] truncate_inode_pages_range+0x1f3/0x7d0 [ 48.839203][ T3639] truncate_pagecache+0x53/0x70 [ 48.839237][ T3639] ext4_setattr+0xb71/0x1170 [ 48.839264][ T3639] notify_change+0x842/0x8c0 [ 48.839290][ T3639] do_ftruncate+0x346/0x420 [ 48.839318][ T3639] __x64_sys_ftruncate+0x65/0xc0 [ 48.839351][ T3639] x64_sys_call+0x99e/0x2550 [ 48.839376][ T3639] do_syscall_64+0x112/0x360 [ 48.839398][ T3639] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.839422][ T3639] [ 48.839429][ T3639] read to 0xffff88811a03d6b0 of 8 bytes by task 3639 on cpu 0: [ 48.839445][ T3639] xas_find_marked+0x211/0x650 [ 48.839469][ T3639] filemap_get_folios_tag+0xf7/0x400 [ 48.839496][ T3639] mpage_prepare_extent_to_map+0x32a/0xca0 [ 48.839529][ T3639] ext4_do_writepages+0xa10/0x2870 [ 48.839553][ T3639] ext4_writepages+0x191/0x300 [ 48.839587][ T3639] do_writepages+0x1b9/0x300 [ 48.839617][ T3639] filemap_flush_range+0x105/0x140 [ 48.839640][ T3639] sync_file_range+0x1c2/0x240 [ 48.839661][ T3639] __x64_sys_sync_file_range+0x7b/0xd0 [ 48.839684][ T3639] x64_sys_call+0xda6/0x2550 [ 48.839707][ T3639] do_syscall_64+0x112/0x360 [ 48.839731][ T3639] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.839755][ T3639] [ 48.839760][ T3639] value changed: 0xffffffe000000000 -> 0xff80000000000000 [ 48.839775][ T3639] [ 48.839780][ T3639] Reported by Kernel Concurrency Sanitizer on: [ 48.839793][ T3639] CPU: 0 UID: 0 PID: 3639 Comm: syz-executor241 Not tainted syzkaller #0 PREEMPT(lazy) [ 48.839817][ T3639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 48.839828][ T3639] ================================================================== [ 50.248829][ T29] audit: type=1400 audit(1790892615.091:184): avc: denied { write } for pid=3644 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 [ 50.302203][ T29] audit: type=1400 audit(1790892615.141:185): avc: denied { write } for pid=3655 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 [ 50.646916][ T29] audit: type=1400 audit(1790892615.491:186): avc: denied { write } for pid=3658 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 [ 50.693444][ T29] audit: type=1400 audit(1790892615.531:187): avc: denied { write } for pid=3669 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 [ 51.239378][ T29] audit: type=1400 audit(1790892616.081:188): avc: denied { write } for pid=3672 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 [ 51.283111][ T29] audit: type=1400 audit(1790892616.121:189): avc: denied { write } for pid=3683 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 [ 51.510834][ T29] audit: type=1400 audit(1790892616.351:190): avc: denied { write } for pid=3686 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 [ 51.535685][ T29] audit: type=1400 audit(1790892616.371:191): avc: denied { write } for pid=3697 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 [ 51.998726][ T29] audit: type=1400 audit(1790892616.841:192): avc: denied { write } for pid=3700 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 [ 52.025197][ T29] audit: type=1400 audit(1790892616.861:193): avc: denied { write } for pid=3711 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 [ 52.268354][ T3639] ================================================================== [ 52.268394][ T3639] BUG: KCSAN: data-race in xas_find_marked / xas_init_marks [ 52.268422][ T3639] [ 52.268428][ T3639] read-write to 0xffff88811a05e228 of 8 bytes by task 3640 on cpu 1: [ 52.268444][ T3639] xas_init_marks+0x18a/0x320 [ 52.268463][ T3639] xas_store+0x243/0xce0 [ 52.268490][ T3639] delete_from_page_cache_batch+0x324/0x720 [ 52.268512][ T3639] truncate_inode_pages_range+0x1f3/0x7d0 [ 52.268540][ T3639] truncate_pagecache+0x53/0x70 [ 52.268583][ T3639] ext4_setattr+0xb71/0x1170 [ 52.268613][ T3639] notify_change+0x842/0x8c0 [ 52.268648][ T3639] do_ftruncate+0x346/0x420 [ 52.268677][ T3639] __x64_sys_ftruncate+0x65/0xc0 [ 52.268705][ T3639] x64_sys_call+0x99e/0x2550 [ 52.268732][ T3639] do_syscall_64+0x112/0x360 [ 52.268756][ T3639] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 52.268780][ T3639] [ 52.268788][ T3639] read to 0xffff88811a05e228 of 8 bytes by task 3639 on cpu 0: [ 52.268807][ T3639] xas_find_marked+0x211/0x650 [ 52.268829][ T3639] filemap_get_folios_tag+0xf7/0x400 [ 52.268862][ T3639] mpage_prepare_extent_to_map+0x32a/0xca0 [ 52.268892][ T3639] ext4_do_writepages+0xa10/0x2870 [ 52.268914][ T3639] ext4_writepages+0x191/0x300 [ 52.268942][ T3639] do_writepages+0x1b9/0x300 [ 52.268966][ T3639] filemap_flush_range+0x105/0x140 [ 52.268983][ T3639] sync_file_range+0x1c2/0x240 [ 52.269007][ T3639] __x64_sys_sync_file_range+0x7b/0xd0 [ 52.269036][ T3639] x64_sys_call+0xda6/0x2550 [ 52.269064][ T3639] do_syscall_64+0x112/0x360 [ 52.269087][ T3639] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 52.269108][ T3639] [ 52.269112][ T3639] value changed: 0xffff000000000000 -> 0xc000000000000000 [ 52.269123][ T3639] [+] Race completed. [ 52.269128][ T36