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: 1 PID: 4335 at lib/iov_iter.c:629 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 1 PID: 4335 Comm: syz-executor.0 Not tainted 6.2.0-rc6-next-20230203 #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 92 f4 32 02 e8 89 38 36 ff be 79 02 00 00 48 c7 c7 40 c5 9e 84 e8 68 f0 59 ff e9 51 fe ff ff e8 6e 38 36 ff <0f> 0b 45 31 f6 eb 87 e8 62 38 36 ff 31 ff 89 ee e8 c9 33 36 ff 40
RSP: 0018:ffff888043faf608 EFLAGS: 00010216
RAX: 0000000000005c48 RBX: 0000000000000000 RCX: ffffc90003feb000
RDX: 0000000000040000 RSI: ffffffff82152652 RDI: 0000000000000001
RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888043faf838 R14: 0000000000001000 R15: ffff888043faf838
FS: 00007f6f0f465700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020008480 CR3: 0000000015948000 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: 0033:0x7f6f11eefb19
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:00007f6f0f465188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f6f12002f60 RCX: 00007f6f11eefb19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f6f11f49f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffe6a80d0f R14: 00007f6f0f465300 R15: 0000000000022000
irq event stamp: 6235
hardirqs last enabled at (6273): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (6308): [] sysvec_apic_timer_interrupt+0xf/0x90
softirqs last enabled at (6000): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (5891): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=4335 comm=syz-executor.0
audit: type=1400 audit(1675474354.668:10): avc: denied { read } for pid=4327 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
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=4349 comm=syz-executor.0
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.7'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.7'.
loop7: detected capacity change from 0 to 255
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=4382 comm=syz-executor.0
audit: type=1400 audit(1675474355.575:11): avc: denied { block_suspend } for pid=4377 comm="syz-executor.3" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1
loop7: detected capacity change from 0 to 255