[ 17.194253][ T28] audit: type=1400 audit(1712184802.388:63): avc: denied { write } for pid=223 comm="sh" path="pipe:[12045]" dev="pipefs" ino=12045 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 17.216412][ T28] audit: type=1400 audit(1712184802.388:64): avc: denied { rlimitinh } for pid=223 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 17.235166][ T28] audit: type=1400 audit(1712184802.388:65): avc: denied { siginh } for pid=223 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.133' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 28.386067][ T28] audit: type=1400 audit(1712184813.598:66): avc: denied { execmem } for pid=289 comm="syz-executor910" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.418511][ T28] audit: type=1400 audit(1712184813.638:67): avc: denied { create } for pid=292 comm="syz-executor910" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=vsock_socket permissive=1 [ 28.444163][ T28] audit: type=1400 audit(1712184813.638:68): avc: denied { bind } for pid=299 comm="syz-executor910" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=vsock_socket permissive=1 executing program executing program executing program executing program executing program executing program executing program [ 28.493017][ T28] audit: type=1400 audit(1712184813.638:69): avc: denied { listen } for pid=299 comm="syz-executor910" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=vsock_socket permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 28.525635][ T28] audit: type=1400 audit(1712184813.638:70): avc: denied { connect } for pid=299 comm="syz-executor910" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=vsock_socket permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.696559][ T6] ================================================================== [ 37.704510][ T6] BUG: KASAN: use-after-free in _raw_spin_lock_bh+0x97/0x1b0 [ 37.711814][ T6] Write of size 4 at addr ffff88812648c708 by task kworker/0:0/6 [ 37.719361][ T6] [ 37.721532][ T6] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted 6.1.75-syzkaller-00112-gaf361f9a1066 #0 [ 37.730905][ T6] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 37.740815][ T6] Workqueue: vsock-loopback vsock_loopback_work [ 37.747751][ T6] Call Trace: [ 37.750958][ T6] [ 37.753739][ T6] dump_stack_lvl+0x151/0x1b7 [ 37.758251][ T6] ? nf_tcp_handle_invalid+0x3f1/0x3f1 [ 37.763654][ T6] ? _printk+0xd1/0x111 [ 37.767641][ T6] ? __virt_addr_valid+0x242/0x2f0 [ 37.772587][ T6] print_report+0x158/0x4e0 [ 37.776932][ T6] ? __virt_addr_valid+0x242/0x2f0 [ 37.781885][ T6] ? kasan_complete_mode_report_info+0x90/0x1b0 [ 37.788067][ T6] ? _raw_spin_lock_bh+0x97/0x1b0 executing program [ 37.792919][ T6] kasan_report+0x13c/0x170 [ 37.797361][ T6] ? _raw_spin_lock_bh+0x97/0x1b0 [ 37.802220][ T6] ? __local_bh_enable_ip+0x58/0x80 [ 37.807249][ T6] kasan_check_range+0x294/0x2a0 [ 37.812024][ T6] __kasan_check_write+0x14/0x20 [ 37.816897][ T6] _raw_spin_lock_bh+0x97/0x1b0 [ 37.822291][ T6] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 37.827541][ T6] ? vsock_find_bound_socket+0x2d0/0x330 [ 37.833011][ T6] virtio_transport_recv_pkt+0x6d3/0x4130 [ 37.838629][ T6] ? virtio_transport_release+0xc30/0xc30 [ 37.844216][ T6] ? ret_from_fork+0x1f/0x30 [ 37.848722][ T6] ? stack_trace_save+0x113/0x1c0 [ 37.853581][ T6] ? stack_trace_snprint+0xf0/0xf0 [ 37.858528][ T6] ? __stack_depot_save+0x36/0x480 [ 37.863473][ T6] ? kfree+0x7a/0xf0 [ 37.867212][ T6] ? cpudl_cleanup+0x40/0x40 [ 37.871625][ T6] ? kfree+0x7a/0xf0 [ 37.875465][ T6] ? free_work+0x5b/0x80 [ 37.879547][ T6] ? process_one_work+0x73d/0xcb0 [ 37.884403][ T6] ? worker_thread+0xa60/0x1260 [ 37.889094][ T6] ? ret_from_fork+0x1f/0x30 [ 37.893520][ T6] ? __update_load_avg_cfs_rq+0xb1/0x2f0 [ 37.898987][ T6] ? cpudl_cleanup+0x40/0x40 [ 37.903590][ T6] ? update_load_avg+0x513/0x1530 [ 37.908624][ T6] ? __this_cpu_preempt_check+0x13/0x20 [ 37.914174][ T6] ? xfd_validate_state+0x6f/0x170 [ 37.919124][ T6] ? save_fpregs_to_fpstate+0x18f/0x220 [ 37.924512][ T6] ? __kasan_check_write+0x14/0x20 [ 37.929459][ T6] ? __switch_to+0x62c/0x1190 [ 37.933971][ T6] ? __kasan_check_write+0x14/0x20 [ 37.939108][ T6] ? virtio_transport_deliver_tap_pkt+0x60/0xb0 [ 37.945187][ T6] vsock_loopback_work+0x37d/0x3f0 [ 37.950650][ T6] ? _raw_spin_unlock+0x4c/0x70 [ 37.955349][ T6] ? vsock_loopback_send_pkt+0x120/0x120 [ 37.961047][ T6] ? __kasan_check_read+0x11/0x20 [ 37.966184][ T6] ? read_word_at_a_time+0x12/0x20 [ 37.971612][ T6] ? strscpy+0x9c/0x260 [ 37.975766][ T6] process_one_work+0x73d/0xcb0 [ 37.980553][ T6] worker_thread+0xa60/0x1260 [ 37.985899][ T6] kthread+0x26d/0x300 [ 37.990115][ T6] ? worker_clr_flags+0x1a0/0x1a0 [ 37.994993][ T6] ? kthread_blkcg+0xd0/0xd0 [ 37.999506][ T6] ret_from_fork+0x1f/0x30 [ 38.003780][ T6] [ 38.006796][ T6] [ 38.008974][ T6] Allocated by task 5525: [ 38.013222][ T6] kasan_set_track+0x4b/0x70 [ 38.017643][ T6] kasan_save_alloc_info+0x1f/0x30 [ 38.022610][ T6] __kasan_kmalloc+0x9c/0xb0 [ 38.027029][ T6] kmalloc_trace+0x44/0xa0 [ 38.031362][ T6] virtio_transport_do_socket_init+0x56/0x2d0 [ 38.037437][ T6] vsock_assign_transport+0x473/0x5b0 [ 38.042658][ T6] vsock_connect+0x5cf/0xd30 [ 38.047081][ T6] __sys_connect+0x2c9/0x300 [ 38.051591][ T6] __x64_sys_connect+0x7a/0x90 [ 38.056281][ T6] do_syscall_64+0x3d/0xb0 [ 38.060540][ T6] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 38.066265][ T6] [ 38.068444][ T6] Freed by task 5525: [ 38.072260][ T6] kasan_set_track+0x4b/0x70 [ 38.076683][ T6] kasan_save_free_info+0x2b/0x40 [ 38.081637][ T6] ____kasan_slab_free+0x131/0x180 [ 38.086581][ T6] __kasan_slab_free+0x11/0x20 [ 38.091178][ T6] __kmem_cache_free+0x218/0x3b0 [ 38.095948][ T6] kfree+0x7a/0xf0 [ 38.099507][ T6] virtio_transport_destruct+0x3b/0x40 [ 38.104802][ T6] vsock_assign_transport+0x32b/0x5b0 [ 38.110017][ T6] vsock_connect+0x5cf/0xd30 [ 38.114446][ T6] __sys_connect+0x2c9/0x300 [ 38.118867][ T6] __x64_sys_connect+0x7a/0x90 [ 38.123473][ T6] do_syscall_64+0x3d/0xb0 [ 38.127733][ T6] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 38.133458][ T6] [ 38.135614][ T6] The buggy address belongs to the object at ffff88812648c700 executing program [ 38.135614][ T6] which belongs to the cache kmalloc-96 of size 96 [ 38.149335][ T6] The buggy address is located 8 bytes inside of [ 38.149335][ T6] 96-byte region [ffff88812648c700, ffff88812648c760) [ 38.162199][ T6] [ 38.164351][ T6] The buggy address belongs to the physical page: [ 38.170796][ T6] page:ffffea0004992300 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12648c [ 38.181121][ T6] flags: 0x4000000000000200(slab|zone=1) [ 38.186604][ T6] raw: 4000000000000200 0000000000000000 dead000000000122 ffff888100042900 [ 38.195261][ T6] raw: 0000000000000000 0000000000200020 00000001ffffffff 0000000000000000 [ 38.204349][ T6] page dumped because: kasan: bad access detected [ 38.210917][ T6] page_owner tracks the page as allocated [ 38.217794][ T6] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 5505, tgid 5502 (syz-executor910), ts 37651836797, free_ts 37651758845 [ 38.236392][ T6] post_alloc_hook+0x213/0x220 [ 38.240979][ T6] prep_new_page+0x1b/0x110 [ 38.245326][ T6] get_page_from_freelist+0x27ea/0x2870 [ 38.250702][ T6] __alloc_pages+0x3a1/0x780 [ 38.255129][ T6] alloc_slab_page+0x6c/0xf0 [ 38.259553][ T6] new_slab+0x90/0x3e0 [ 38.263462][ T6] ___slab_alloc+0x6f9/0xb80 [ 38.268323][ T6] __slab_alloc+0x5d/0xa0 [ 38.272673][ T6] __kmem_cache_alloc_node+0x1af/0x250 [ 38.278570][ T6] kmalloc_trace+0x2a/0xa0 [ 38.282828][ T6] virtio_transport_alloc_pkt+0x6a/0xa10 [ 38.288287][ T6] virtio_transport_send_pkt_info+0x2c8/0x630 [ 38.294186][ T6] virtio_transport_release+0x2df/0xc30 [ 38.300365][ T6] __vsock_release+0x86/0x4b0 [ 38.304874][ T6] vsock_release+0x42/0xa0 [ 38.309294][ T6] sock_close+0xdf/0x270 [ 38.313367][ T6] page last free stack trace: [ 38.318142][ T6] free_unref_page_prepare+0x83d/0x850 [ 38.323617][ T6] free_unref_page+0xb2/0x5c0 [ 38.328128][ T6] __free_pages+0x61/0xf0 [ 38.332293][ T6] free_pages+0x7c/0x90 [ 38.336292][ T6] pgd_free+0x17d/0x190 [ 38.340282][ T6] __mmdrop+0xb0/0x3e0 [ 38.344356][ T6] __mmput+0x304/0x310 [ 38.348259][ T6] mmput+0x56/0x170 [ 38.351919][ T6] do_exit+0xb29/0x2b80 [ 38.355984][ T6] do_group_exit+0x21a/0x2d0 [ 38.360644][ T6] get_signal+0x169d/0x1820 [ 38.364980][ T6] arch_do_signal_or_restart+0xb0/0x16f0 [ 38.372103][ T6] exit_to_user_mode_loop+0x74/0xa0 [ 38.377132][ T6] exit_to_user_mode_prepare+0x5a/0xa0 [ 38.382432][ T6] syscall_exit_to_user_mode+0x26/0x140 [ 38.387984][ T6] do_syscall_64+0x49/0xb0 [ 38.392234][ T6] [ 38.394409][ T6] Memory state around the buggy address: [ 38.400070][ T6] ffff88812648c600: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 38.407959][ T6] ffff88812648c680: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 38.415871][ T6] >ffff88812648c700: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 38.423745][ T6] ^ [ 38.427922][ T6] ffff88812648c780: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 38.435927][ T6] ffff88812648c800: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [ 38.443809][ T6] ================================================================== [ 38.451887][ T6] Disabling lock debugging due to kernel taint executing program executing program executing program executing program