program syz-executor.4 not setting count and/or reply_len properly tmpfs: Unknown parameter 'Na5EGFg9vd r(NC%74>:|vJ_E/4ȋ]pf_^W'g;#;̝( l*očie' ------------[ cut here ]------------ WARNING: CPU: 1 PID: 16371 at lib/iov_iter.c:385 _copy_from_iter+0x2f1/0x1320 Modules linked in: CPU: 1 PID: 16371 Comm: syz-executor.4 Not tainted 6.4.0-rc5-next-20230609 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_copy_from_iter+0x2f1/0x1320 Code: b2 ff ff 89 c3 e9 1f ff ff ff e8 ea f0 35 ff be 85 01 00 00 48 c7 c7 e0 f4 9e 84 e8 c9 4f 5a ff e9 13 fe ff ff e8 cf f0 35 ff <0f> 0b 45 31 f6 e9 67 ff ff ff e8 c0 f0 35 ff 31 ff 89 ee e8 f7 eb RSP: 0018:ffff8880517ef608 EFLAGS: 00010206 RAX: 0000000000005c10 RBX: 0000000000000000 RCX: ffffc90004a02000 RDX: 0000000000040000 RSI: ffffffff82161ac1 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000 R13: ffffea000115ce00 R14: 0000000000001000 R15: ffff8880517ef838 FS: 00007f3f1e00d700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002240 CR3: 0000000046af2000 CR4: 0000000000350ee0 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+0x69e/0xac0 sg_write+0x8d/0xe0 vfs_write+0x2b9/0xd70 ksys_write+0x122/0x250 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7f3f20ab8b19 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:00007f3f1e00d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f3f20bcc020 RCX: 00007f3f20ab8b19 RDX: 0000000000000125 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 00007f3f20b12f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffed20f2c0f R14: 00007f3f1e00d300 R15: 0000000000022000 irq event stamp: 1183 hardirqs last enabled at (1195): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1206): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (776): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (771): [] irq_exit_rcu+0x93/0xc0 ---[ end trace 0000000000000000 ]--- tmpfs: Unknown parameter 'Na5EGFg9vd r(NC%74>:|vJ_E/4ȋ]pf_^W'g;#;̝( l*očie' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=16376 comm=syz-executor.7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1792 sclass=netlink_route_socket pid=16388 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=16399 comm=syz-executor.7