SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=9679 comm=syz-executor.7 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 9684 at lib/iov_iter.c:376 _copy_from_iter+0x2bf/0x1200 Modules linked in: CPU: 0 PID: 9684 Comm: syz-executor.6 Not tainted 6.3.0-rc4-next-20230331 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_copy_from_iter+0x2bf/0x1200 Code: 5d 41 5e 41 5f e9 c5 ba 34 02 e8 2c 78 36 ff be 7c 01 00 00 48 c7 c7 60 cb 9e 84 e8 5b 72 5a ff e9 48 fe ff ff e8 11 78 36 ff <0f> 0b 45 31 f6 eb 87 e8 05 78 36 ff 31 ff 89 ee e8 3c 73 36 ff 40 RSP: 0018:ffff888015be7608 EFLAGS: 00010216 RAX: 0000000000004bcb RBX: 0000000000000000 RCX: ffffc900069a8000 RDX: 0000000000040000 RSI: ffffffff82153a5f RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888015be7838 R13: ffffea000106aa00 R14: 0000000000001000 R15: ffff888015be7838 FS: 00007fa716802700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e02a000 CR3: 000000000c93c000 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+0x2d8/0xdc0 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fa71928cb19 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:00007fa716802188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fa71939ff60 RCX: 00007fa71928cb19 RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005 RBP: 00007fa7192e6f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd9508f17f R14: 00007fa716802300 R15: 0000000000022000 irq event stamp: 5369 hardirqs last enabled at (5433): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (5524): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (2010): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (1931): [] __irq_exit_rcu+0xcc/0x110 ---[ end trace 0000000000000000 ]--- SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=9695 comm=syz-executor.6 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=9709 comm=syz-executor.6 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=9705 comm=syz-executor.7 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=9718 comm=syz-executor.6 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=9744 comm=syz-executor.7 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. EXT4-fs warning (device sda): verify_group_input:150: Cannot add at group 0 (only 16 groups) netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 'syz-executor.4': attribute type 3 has an invalid length. netlink: 'syz-executor.4': attribute type 3 has an invalid length. SELinux: security_context_str_to_sid (staff_u) failed with errno=-22 EXT4-fs warning (device sda): verify_group_input:150: Cannot add at group 0 (only 16 groups) syz-executor.2 (10310) used greatest stack depth: 22200 bytes left