SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=108201 comm=syz-executor.4 sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in; program syz-executor.2 not setting count and/or reply_len properly ------------[ cut here ]------------ WARNING: CPU: 0 PID: 108317 at lib/iov_iter.c:385 _copy_from_iter+0x2b2/0x1330 Modules linked in: CPU: 0 PID: 108317 Comm: syz-executor.2 Not tainted 6.3.0-rc7-next-20230421 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_copy_from_iter+0x2b2/0x1330 Code: 5d 41 5e 41 5f e9 c2 86 36 02 e8 b9 5a 36 ff be 85 01 00 00 48 c7 c7 40 cf 9e 84 e8 98 6c 5a ff e9 51 fe ff ff e8 9e 5a 36 ff <0f> 0b 45 31 f6 eb 87 e8 92 5a 36 ff 31 ff 89 ee e8 c9 55 36 ff 40 RSP: 0018:ffff888035a6f608 EFLAGS: 00010202 RAX: 0000000000002450 RBX: 0000000000000000 RCX: ffffc900007fb000 RDX: 0000000000040000 RSI: ffffffff82157ce2 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000 R13: ffff888035a6f838 R14: 0000000000001000 R15: ffff888035a6f838 FS: 00007fac0f5b8700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f900e938018 CR3: 0000000030942000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: copy_page_from_iter+0xe3/0x180 blk_rq_map_user_iov+0xb39/0x16c0 blk_rq_map_user_io+0x1d1/0x200 sg_common_write.constprop.0+0xd8d/0x15f0 sg_write.part.0+0x698/0xac0 sg_write+0x8d/0xe0 vfs_write+0x2d8/0xdd0 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fac12042b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fac0f5b8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fac12155f60 RCX: 00007fac12042b19 RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005 RBP: 00007fac1209cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff08f8debf R14: 00007fac0f5b8300 R15: 0000000000022000 irq event stamp: 4481 hardirqs last enabled at (4515): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4554): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (1764): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (1457): [] __irq_exit_rcu+0xcc/0x110 ---[ end trace 0000000000000000 ]--- sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in; program syz-executor.6 not setting count and/or reply_len properly SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=108632 comm=syz-executor.4 sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in; program syz-executor.2 not setting count and/or reply_len properly SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=108633 comm=syz-executor.6 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=108635 comm=syz-executor.2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=108874 comm=syz-executor.4 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 audit: type=1400 audit(1682129778.557:88): avc: denied { associate } for pid=109182 comm="syz-executor.2" name="/" dev="devpts" ino=1 scontext=system_u:object_r:shell_exec_t:s0 tcontext=system_u:object_r:devpts_t:s0 tclass=filesystem permissive=1 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 tmpfs: Bad value for 'mpol' wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 cgroup: fork rejected by pids controller in /syz4 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 SELinux: security_context_str_to_sid (root) failed with errno=-22 SELinux: security_context_str_to_sid (root) failed with errno=-22