program syz-executor.7 not setting count and/or reply_len properly SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=15092 comm=syz-executor.5 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 15090 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1170 Modules linked in: CPU: 1 PID: 15090 Comm: syz-executor.7 Not tainted 6.2.0-rc3-next-20230110 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_copy_from_iter+0x2bf/0x1170 Code: 5d 41 5e 41 5f e9 55 3a 32 02 e8 cc 1f 37 ff be 79 02 00 00 48 c7 c7 40 d6 9e 84 e8 cb d1 5a ff e9 48 fe ff ff e8 b1 1f 37 ff <0f> 0b 45 31 f6 eb 87 e8 a5 1f 37 ff 31 ff 89 ee e8 6c 1b 37 ff 40 RSP: 0018:ffff888036ac7608 EFLAGS: 00010212 RAX: 0000000000009127 RBX: 0000000000000000 RCX: ffffc90007a1c000 RDX: 0000000000040000 RSI: ffffffff8212534f RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888036ac7838 R13: ffffea0001137400 R14: 0000000000001000 R15: ffff888036ac7838 FS: 00007f29eec8a700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f750aa29610 CR3: 00000000317c0000 CR4: 0000000000350ee0 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+0xb15/0x16a0 blk_rq_map_user_io+0x1d1/0x200 sg_common_write.constprop.0+0xd8d/0x15f0 sg_write.part.0+0x698/0xa90 sg_write+0x8d/0xe0 vfs_write+0x2cf/0xdd0 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f29f1714b19 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:00007f29eec8a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f29f1827f60 RCX: 00007f29f1714b19 RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005 RBP: 00007f29f176ef6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd44d1cfaf R14: 00007f29eec8a300 R15: 0000000000022000 irq event stamp: 11167 hardirqs last enabled at (11231): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (11292): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (2990): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (2141): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=15101 comm=syz-executor.7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=15105 comm=syz-executor.5 sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in; program syz-executor.7 not setting count and/or reply_len properly SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=15222 comm=syz-executor.7 9pnet_fd: p9_fd_create_tcp (15241): problem connecting socket to 127.0.0.1 9pnet_fd: p9_fd_create_tcp (15244): problem connecting socket to 127.0.0.1 device lo left promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 device lo left promiscuous mode device lo entered promiscuous mode platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO