sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.0 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7070 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1150
Modules linked in:
CPU: 0 PID: 7070 Comm: syz-executor.0 Not tainted 6.2.0-rc1-next-20221226 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2bf/0x1150
Code: 5d 41 5e 41 5f e9 a5 9f 2f 02 e8 9c a3 37 ff be 79 02 00 00 48 c7 c7 80 cb 9e 84 e8 6b 18 5b ff e9 48 fe ff ff e8 81 a3 37 ff <0f> 0b 45 31 f6 eb 87 e8 75 a3 37 ff 31 ff 89 ee e8 3c 9f 37 ff 40
RSP: 0018:ffff88800b8a75e8 EFLAGS: 00010212
RAX: 0000000000005a02 RBX: 0000000000000000 RCX: ffffc90005e06000
RDX: 0000000000040000 RSI: ffffffff821139ff RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800b8a7818
R13: ffffea0000d97c00 R14: 0000000000001000 R15: ffff88800b8a7818
FS: 00007f9ba00e0700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000b000 CR3: 000000000c92a000 CR4: 0000000000350ef0
Call Trace:
copy_page_from_iter+0xe3/0x180
blk_rq_map_user_iov+0xb0c/0x1650
blk_rq_map_user_io+0x1ee/0x220
sg_common_write.constprop.0+0xd84/0x15e0
sg_write.part.0+0x698/0xa90
sg_write+0x88/0xe0
vfs_write+0x2cf/0xd90
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f9ba2b6ab19
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:00007f9ba00e0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9ba2c7df60 RCX: 00007f9ba2b6ab19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f9ba2bc4f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffef746637f R14: 00007f9ba00e0300 R15: 0000000000022000
irq event stamp: 10205
hardirqs last enabled at (10239): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (10284): [] sysvec_apic_timer_interrupt+0xf/0xc0
softirqs last enabled at (7954): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (7379): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=7082 comm=syz-executor.0
audit: type=1400 audit(1672055902.552:12): avc: denied { tracepoint } for pid=7072 comm="syz-executor.7" 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=0 nlmsg_type=61 sclass=netlink_route_socket pid=7082 comm=syz-executor.0
syz-executor.2 (7062) used greatest stack depth: 23448 bytes left
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.0 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=7110 comm=syz-executor.0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=7107 comm=syz-executor.5
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.0 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=7122 comm=syz-executor.0
syz-executor.4 (7115) used greatest stack depth: 23384 bytes left
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.5 not setting count and/or reply_len properly
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.0 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=7138 comm=syz-executor.5
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=7140 comm=syz-executor.0
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.5 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=7184 comm=syz-executor.5
audit: type=1400 audit(1672055906.866:13): avc: denied { watch_reads } for pid=7202 comm="syz-executor.5" path="/syzkaller-testdir795590349/syzkaller.6ISa6z/46/file0" dev="devpts" ino=1 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:devpts_t:s0 tclass=dir permissive=1