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
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4321 at lib/iov_iter.c:629 _copy_from_iter+0x2f1/0x1130
Modules linked in:
CPU: 1 PID: 4321 Comm: syz-executor.5 Not tainted 6.1.0-rc6-next-20221128 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2f1/0x1130
Code: 37 ff 44 89 f3 e9 2f ff ff ff e8 4a 77 37 ff be 79 02 00 00 48 c7 c7 40 b5 9e 84 e8 99 e4 5a ff e9 13 fe ff ff e8 2f 77 37 ff <0f> 0b 45 31 f6 e9 77 ff ff ff e8 20 77 37 ff 31 ff 89 ee e8 e7 72
RSP: 0018:ffff888044ecf5e8 EFLAGS: 00010212
RAX: 00000000000067e1 RBX: 0000000000000000 RCX: ffffc90006a00000
RDX: 0000000000040000 RSI: ffffffff8211a1c1 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000
R13: ffffea0001187600 R14: 0000000000001000 R15: ffff888044ecf818
FS: 00007fdc33772700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c622000 CR3: 000000001679c000 CR4: 0000000000350ee0
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+0x706/0xb20
sg_write+0x88/0xe0
vfs_write+0x358/0xe40
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fdc361fcb19
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:00007fdc33772188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fdc3630ff60 RCX: 00007fdc361fcb19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007fdc36256f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd5a46ef4f R14: 00007fdc33772300 R15: 0000000000022000
irq event stamp: 6353
hardirqs last enabled at (6395): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (6440): [] sysvec_apic_timer_interrupt+0xf/0xc0
softirqs last enabled at (4564): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (4545): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
audit: type=1400 audit(1669636226.967:10): avc: denied { read } for pid=4319 comm="syz-executor.5" 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.5 not setting count and/or reply_len properly
9pnet_fd: Insufficient options for proto=fd
9pnet_fd: Insufficient options for proto=fd
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
syz-executor.1 (4376) used greatest stack depth: 24408 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
audit: type=1400 audit(1669636227.862:11): avc: denied { write } for pid=4399 comm="syz-executor.2" 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.1 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.1 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.5 not setting count and/or reply_len properly
Bluetooth: MGMT ver 1.22
syz-executor.5 uses obsolete (PF_INET,SOCK_PACKET)
device lo entered promiscuous mode
syz-executor.0 (4593) used greatest stack depth: 24336 bytes left
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
=======================================================
WARNING: The mand mount option has been deprecated and
and is ignored by this kernel. Remove the mand
option from the mount to silence this warning.
=======================================================
syz-executor.0 (4630) used greatest stack depth: 24096 bytes left