[ 42.790916][ T54] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 42.849148][ T54] bridge_slave_1: left allmulticast mode [ 42.849170][ T54] bridge_slave_1: left promiscuous mode [ 42.849331][ T54] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.852632][ T54] bridge_slave_0: left allmulticast mode [ 42.852655][ T54] bridge_slave_0: left promiscuous mode [ 42.852797][ T54] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.927089][ T54] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 42.929792][ T54] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 42.947812][ T54] bond0 (unregistering): Released all slaves [ 43.001562][ T54] hsr_slave_0: left promiscuous mode [ 43.001899][ T54] hsr_slave_1: left promiscuous mode [ 43.002393][ T54] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 43.002417][ T54] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 43.002809][ T54] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 43.002822][ T54] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 43.006236][ T54] veth1_macvtap: left promiscuous mode [ 43.006266][ T54] veth0_macvtap: left promiscuous mode [ 43.006323][ T54] veth1_vlan: left promiscuous mode [ 43.006403][ T54] veth0_vlan: left promiscuous mode [ 43.090412][ T29] audit: type=1400 audit(1790310380.161:176): avc: denied { write } for pid=3558 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 [ 43.126632][ T54] team0 (unregistering): Port device team_slave_1 removed [ 43.137402][ T54] team0 (unregistering): Port device team_slave_0 removed [ 43.144500][ T29] audit: type=1400 audit(1790310380.211:177): avc: denied { write } for pid=3569 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 [ 43.181045][ T3021] 8021q: adding VLAN 0 to HW filter on device eth1 [ 43.252830][ T29] audit: type=1400 audit(1790310380.321:178): avc: denied { write } for pid=3572 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 [ 43.298411][ T29] audit: type=1400 audit(1790310380.371:179): avc: denied { write } for pid=3583 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 [ 43.309196][ T3021] 8021q: adding VLAN 0 to HW filter on device eth2 [ 43.394235][ T29] audit: type=1400 audit(1790310380.461:180): avc: denied { write } for pid=3587 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 [ 43.428758][ T29] audit: type=1400 audit(1790310380.501:181): avc: denied { write } for pid=3598 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 [ 43.463459][ T3021] 8021q: adding VLAN 0 to HW filter on device eth3 [ 43.539852][ T29] audit: type=1400 audit(1790310380.611:182): avc: denied { write } for pid=3601 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 [ 43.588140][ T29] audit: type=1400 audit(1790310380.651:183): avc: denied { write } for pid=3612 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 [ 43.601043][ T3021] 8021q: adding VLAN 0 to HW filter on device eth4 Warning: Permanently added '10.128.0.28' (ED25519) to the list of known hosts. [+] open /dev/loop-control successful. [+] LOOP_CTL_GET_FREE successful. [+] memfd_create successful. [+] ftruncate successful. [+] pthread_create t1 successful. [+] pthread_create t2 successful. [ 47.994241][ T29] audit: type=1400 audit(1790310385.061:184): avc: denied { read write } for pid=3624 comm="syz-executor185" 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 [ 47.994316][ T29] audit: type=1400 audit(1790310385.061:185): avc: denied { open } for pid=3624 comm="syz-executor185" 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 [ 47.995676][ T3626] loop0: detected capacity change from 0 to 2048 [ 47.995970][ T3626] loop0: detected capacity change from 0 to 2048 [ 48.054778][ T3626] loop0: detected capacity change from 0 to 2048 [ 48.055311][ T3626] loop0: detected capacity change from 0 to 2048 [ 48.096113][ T3626] loop0: detected capacity change from 0 to 2048 [ 48.097096][ T3626] loop0: detected capacity change from 0 to 2048 [ 48.113639][ T3626] loop0: detected capacity change from 0 to 2048 [ 48.114954][ T3626] loop0: detected capacity change from 0 to 2048 [ 48.115337][ T3626] loop0: detected capacity change from 0 to 2048 [ 48.115732][ T3626] loop0: detected capacity change from 0 to 2048 [ 48.402040][ T3626] ================================================================== [ 48.402072][ T3626] BUG: KCSAN: data-race in bdev_statx / queue_limits_commit_update [ 48.402103][ T3626] [ 48.402109][ T3626] read to 0xffff88810222e450 of 4 bytes by task 3625 on cpu 1: [ 48.402124][ T3626] bdev_statx+0x297/0x2d0 [ 48.402139][ T3626] vfs_getattr_nosec+0x1b6/0x1e0 [ 48.402157][ T3626] __se_sys_newfstat+0x96/0x460 [ 48.402185][ T3626] __x64_sys_newfstat+0x31/0x40 [ 48.402209][ T3626] x64_sys_call+0x1b5f/0x2550 [ 48.402243][ T3626] do_syscall_64+0x112/0x360 [ 48.402263][ T3626] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.402287][ T3626] [ 48.402292][ T3626] write to 0xffff88810222e410 of 192 bytes by task 3626 on cpu 0: [ 48.402307][ T3626] queue_limits_commit_update+0x4b/0x160 [ 48.402335][ T3626] loop_configure+0x78a/0x9c0 [ 48.402354][ T3626] lo_ioctl+0x5a1/0x1430 [ 48.402373][ T3626] blkdev_ioctl+0x387/0x460 [ 48.402407][ T3626] __se_sys_ioctl+0xce/0x140 [ 48.402444][ T3626] __x64_sys_ioctl+0x43/0x50 [ 48.402470][ T3626] x64_sys_call+0x239d/0x2550 [ 48.402495][ T3626] do_syscall_64+0x112/0x360 [ 48.402514][ T3626] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.402538][ T3626] [ 48.402542][ T3626] Reported by Kernel Concurrency Sanitizer on: [ 48.402575][ T3626] CPU: 0 UID: 0 PID: 3626 Comm: syz-executor185 Not tainted syzkaller #0 PREEMPT(lazy) [ 48.402598][ T3626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 48.402609][ T3626] ================================================================== [+] Done.