sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
program syz-executor.6 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4101 at lib/iov_iter.c:364 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 1 PID: 4101 Comm: syz-executor.6 Not tainted 6.2.0-rc8-next-20230215 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2b2/0x1140
Code: 5d 41 5e 41 5f e9 42 ce 33 02 e8 e9 d9 35 ff be 70 01 00 00 48 c7 c7 a0 d3 9e 84 e8 e8 d2 59 ff e9 51 fe ff ff e8 ce d9 35 ff <0f> 0b 45 31 f6 eb 87 e8 c2 d9 35 ff 31 ff 89 ee e8 29 d5 35 ff 40
RSP: 0018:ffff888019657608 EFLAGS: 00010212
RAX: 0000000000000e0e RBX: 0000000000000000 RCX: ffffc90001a04000
RDX: 0000000000040000 RSI: ffffffff8215a1a2 RDI: 0000000000000001
RBP: 0000000000000390 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888019657838 R14: 0000000000000390 R15: ffff888019657838
FS: 00007f7900eed700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c000333038 CR3: 0000000016f0e000 CR4: 0000000000350ee0
Call Trace:
copy_page_from_iter+0x251/0x430
blk_rq_map_user_iov+0xb41/0x16c0
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+0x2cf/0xdc0
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f7903998b19
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:00007f7900eed188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7903aac020 RCX: 00007f7903998b19
RDX: 000000000000002b RSI: 0000000020000380 RDI: 0000000000000007
RBP: 00007f79039f2f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffec95d550f R14: 00007f7900eed300 R15: 0000000000022000
irq event stamp: 1649
hardirqs last enabled at (1661): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1672): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1022): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (905): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
FAT-fs (loop7): bogus number of reserved sectors
FAT-fs (loop7): Can't find a valid FAT filesystem
FAT-fs (loop7): bogus number of reserved sectors
FAT-fs (loop7): Can't find a valid FAT filesystem
random: crng reseeded on system resumption
random: crng reseeded on system resumption
audit: type=1400 audit(1676461450.173:9): avc: denied { create } for pid=4168 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:sshd_key_t:s0 tclass=netlink_generic_socket permissive=1
audit: type=1400 audit(1676461450.177:10): avc: denied { getopt } for pid=4168 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:sshd_key_t:s0 tclass=netlink_generic_socket permissive=1
random: crng reseeded on system resumption
random: crng reseeded on system resumption
Restarting kernel threads ... done.
random: crng reseeded on system resumption
Restarting kernel threads ... done.
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
audit: type=1400 audit(1676461456.735:11): avc: denied { read } for pid=4339 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=49 comm=kworker/1:2
SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65380 sclass=netlink_xfrm_socket pid=49 comm=kworker/1:2