me="hook-state" dev="tmpfs" ino=486 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 40.103574][ T29] audit: type=1400 audit(1791049462.101:170): avc: denied { write } for pid=3527 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 [ 40.131790][ T12] team0 (unregistering): Port device team_slave_1 removed [ 40.134556][ T12] team0 (unregistering): Port device team_slave_0 removed [ 40.159654][ T3024] 8021q: adding VLAN 0 to HW filter on device eth2 [ 40.220767][ T29] audit: type=1400 audit(1791049462.221:171): avc: denied { write } for pid=3530 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 [ 40.268421][ T3024] 8021q: adding VLAN 0 to HW filter on device eth3 [ 40.351248][ T3024] 8021q: adding VLAN 0 to HW filter on device eth4 [ 40.414172][ T12] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.491607][ T12] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.531874][ T12] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.572415][ T12] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.647189][ T12] bridge_slave_1: left allmulticast mode [ 40.647210][ T12] bridge_slave_1: left promiscuous mode [ 40.647295][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.647864][ T12] bridge_slave_0: left allmulticast mode [ 40.647875][ T12] bridge_slave_0: left promiscuous mode [ 40.648050][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.710955][ T12] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 40.712082][ T12] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 40.712784][ T12] bond0 (unregistering): Released all slaves [ 40.756019][ T12] hsr_slave_0: left promiscuous mode [ 40.756450][ T12] hsr_slave_1: left promiscuous mode [ 40.756766][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 40.756781][ T12] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 40.757064][ T12] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 40.757138][ T12] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 40.800399][ T12] veth1_macvtap: left promiscuous mode [ 40.800513][ T12] veth0_macvtap: left promiscuous mode [ 40.800558][ T12] veth1_vlan: left promiscuous mode [ 40.800672][ T12] veth0_vlan: left promiscuous mode [ 40.865530][ T12] team0 (unregistering): Port device team_slave_1 removed [ 40.867470][ T12] team0 (unregistering): Port device team_slave_0 removed [ 40.893281][ T3024] 8021q: adding VLAN 0 to HW filter on device eth5 [ 40.976507][ T3024] 8021q: adding VLAN 0 to HW filter on device eth6 [ 41.054782][ T3024] 8021q: adding VLAN 0 to HW filter on device eth7 [ 41.140119][ T3024] 8021q: adding VLAN 0 to HW filter on device eth8 Warning: Permanently added '10.128.10.17' (ED25519) to the list of known hosts. [+] create_fat16 successful. [ 45.256878][ T29] kauditd_printk_skb: 11 callbacks suppressed [ 45.256895][ T29] audit: type=1400 audit(1791049467.251:183): avc: denied { read write } for pid=3632 comm="syz-executor106" name="loop-control" dev="devtmpfs" ino=99 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 45.256978][ T29] audit: type=1400 audit(1791049467.251:184): avc: denied { open } for pid=3632 comm="syz-executor106" path="/dev/loop-control" dev="devtmpfs" ino=99 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 45.257066][ T29] audit: type=1400 audit(1791049467.251:185): avc: denied { ioctl } for pid=3632 comm="syz-executor106" path="/dev/loop-control" dev="devtmpfs" ino=99 ioctlcmd=0x4c82 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [+] setup_loop successful. [+] mount vfat successful. [ 45.257144][ T29] audit: type=1400 audit(1791049467.251:186): avc: denied { write } for pid=3632 comm="syz-executor106" name="loop0" dev="devtmpfs" ino=100 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 45.369657][ T3632] loop0: detected capacity change from 0 to 262144 [ 45.393942][ T29] audit: type=1400 audit(1791049467.391:187): avc: denied { mounton } for pid=3632 comm="syz-executor106" path="/mnt/fat" dev="sda1" ino=2030 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:mnt_t tclass=dir permissive=1 [ 45.397721][ T29] audit: type=1400 audit(1791049467.391:188): avc: denied { mount } for pid=3632 comm="syz-executor106" name="/" dev="loop0" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:dosfs_t tclass=filesystem permissive=1 [ 45.644757][ T3685] ================================================================== [ 45.644780][ T3685] BUG: KCSAN: data-race in fat16_ent_put / fat_mirror_bhs [ 45.644804][ T3685] [ 45.644808][ T3685] write to 0xffff88810e21898c of 2 bytes by task 3686 on cpu 1: [ 45.644817][ T3685] fat16_ent_put+0x28/0x60 [ 45.644833][ T3685] fat_alloc_clusters+0x55e/0xc40 [ 45.644849][ T3685] fat_get_block+0x252/0x5e0 [ 45.644858][ T3685] __block_write_begin_int+0x400/0xf90 [ 45.644878][ T3685] cont_write_begin+0x5bf/0x920 [ 45.644894][ T3685] fat_write_begin+0x52/0xe0 [ 45.644905][ T3685] generic_perform_write+0x186/0x490 [ 45.644921][ T3685] __generic_file_write_iter+0x9e/0x120 [ 45.644936][ T3685] generic_file_write_iter+0x77/0x1f0 [ 45.644956][ T3685] vfs_write+0x57f/0x9a0 [ 45.644971][ T3685] ksys_write+0xdc/0x1a0 [ 45.644985][ T3685] __x64_sys_write+0x40/0x50 [ 45.645000][ T3685] x64_sys_call+0x154e/0x2550 [ 45.645013][ T3685] do_syscall_64+0x112/0x360 [ 45.645025][ T3685] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.645036][ T3685] [ 45.645039][ T3685] read to 0xffff88810e218800 of 512 bytes by task 3685 on cpu 0: [ 45.645048][ T3685] fat_mirror_bhs+0x1df/0x330 [ 45.645063][ T3685] fat_alloc_clusters+0xb25/0xc40 [ 45.645079][ T3685] fat_add_cluster+0x46/0xe0 [ 45.645088][ T3685] fat_fallocate+0x11e/0x1c0 [ 45.645097][ T3685] vfs_fallocate+0x3ac/0x400 [ 45.645113][ T3685] __x64_sys_fallocate+0x7a/0xd0 [ 45.645123][ T3685] x64_sys_call+0x1e1d/0x2550 [ 45.645135][ T3685] do_syscall_64+0x112/0x360 [ 45.645146][ T3685] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.645158][ T3685] [ 45.645160][ T3685] Reported by Kernel Concurrency Sanitizer on: [ 45.645183][ T3685] CPU: 0 UID: 0 PID: 3685 Comm: syz-executor106 Not tainted syzkaller #0 PREEMPT(lazy) [ 45.645197][ T3685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 45.645204][ T3685] ================================================================== [ 48.652295][ T4404] ================================================================== [ 48.652318][ T4404] BUG: KCSAN: data-race in fat16_ent_put / fat_mirror_bhs [ 48.652342][ T4404] [ 48.652345][ T4404] write to 0xffff88810e37bd3a of 2 bytes by task 4405 on cpu 1: [ 48.652355][ T4404] fat16_ent_put+0x28/0x60 [ 48.652371][ T4404] fat_alloc_clusters+0x55e/0xc40 [ 48.652386][ T4404] fat_get_block+0x252/0x5e0 [ 48.652396][ T4404] __block_write_begin_int+0x400/0xf90 [ 48.652413][ T4404] cont_write_begin+0x5bf/0x920 [ 48.652428][ T4404] fat_write_begin+0x52/0xe0 [ 48.652439][ T4404] generic_perform_write+0x186/0x490 [ 48.652454][ T4404] __generic_file_write_iter+0x9e/0x120 [ 48.652469][ T4404] generic_file_write_iter+0x77/0x1f0 [ 48.652484][ T4404] vfs_write+0x57f/0x9a0 [ 48.652499][ T4404] ksys_write+0xdc/0x1a0 [ 48.652513][ T4404] __x64_sys_write+0x40/0x50 [ 48.652528][ T4404] x64_sys_call+0x154e/0x2550 [ 48.652542][ T4404] do_syscall_64+0x112/0x360 [ 48.652554][ T4404] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.652566][ T4404] [ 48.652569][ T4404] read to 0xffff88810e37bc00 of 512 bytes by task 4404 on cpu 0: [ 48.652578][ T4404] fat_mirror_bhs+0x1df/0x330 [ 48.652593][ T4404] fat_alloc_clusters+0xb25/0xc40 [ 48.652608][ T4404] fat_add_cluster+0x46/0xe0 [ 48.652618][ T4404] fat_fallocate+0x11e/0x1c0 [ 48.652627][ T4404] vfs_fallocate+0x3ac/0x400 [ 48.652643][ T4404] __x64_sys_fallocate+0x7a/0xd0 [ 48.652653][ T4404] x64_sys_call+0x1e1d/0x2550 [ 48.652666][ T4404] do_syscall_64+0x112/0x360 [ 48.652677][ T4404] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.652688][ T4404] [ 48.652690][ T4404] Reported by Kernel Concurrency Sanitizer on: [ 48.652696][ T4404] CPU: 0 UID: 0 PID: 4404 Comm: syz-executor106 Not tainted syzkaller #0 PREEMPT(lazy) [ 48.652710][ T4404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 48.652717][ T4404] ================================================================== [+] umount successful. [+] LOOP_CLR_FD successful. [+] All done.