sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.1 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3980 at lib/iov_iter.c:385 _copy_from_iter+0x2b2/0x1330
Modules linked in:
CPU: 1 PID: 3980 Comm: syz-executor.1 Not tainted 6.3.0-rc7-next-20230420 #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 12 68 36 02 e8 79 69 36 ff be 85 01 00 00 48 c7 c7 e0 cc 9e 84 e8 68 7a 5a ff e9 51 fe ff ff e8 5e 69 36 ff <0f> 0b 45 31 f6 eb 87 e8 52 69 36 ff 31 ff 89 ee e8 89 64 36 ff 40
RSP: 0018:ffff888042f77608 EFLAGS: 00010212
RAX: 0000000000003ad7 RBX: 0000000000000000 RCX: ffffc900011d0000
RDX: 0000000000040000 RSI: ffffffff82156b92 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000
R13: ffff888042f77838 R14: 0000000000001000 R15: ffff888042f77838
FS: 00007f617dd4a700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8cb59d8f64 CR3: 000000000e922000 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+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: 0033:0x7f61807d4b19
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:00007f617dd4a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f61808e7f60 RCX: 00007f61807d4b19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f618082ef6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdff8654df R14: 00007f617dd4a300 R15: 0000000000022000
irq event stamp: 3951
hardirqs last enabled at (3981): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (4006): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (792): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (723): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=3992 comm=syz-executor.1
audit: type=1400 audit(1682074580.953:10): avc: denied { read } for pid=3978 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
capability: warning: `syz-executor.2' uses deprecated v2 capabilities in a way that may be insecure
netlink: 'syz-executor.0': attribute type 4 has an invalid length.