sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5579 at lib/iov_iter.c:623 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 0 PID: 5579 Comm: syz-executor.7 Not tainted 6.2.0-next-20230306 #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 b2 fe 34 02 e8 b9 16 35 ff be 73 02 00 00 48 c7 c7 e0 eb 9e 84 e8 78 0b 59 ff e9 51 fe ff ff e8 9e 16 35 ff <0f> 0b 45 31 f6 eb 87 e8 92 16 35 ff 31 ff 89 ee e8 c9 11 35 ff 40
RSP: 0018:ffff88801023f608 EFLAGS: 00010216
RAX: 0000000000006b66 RBX: 0000000000000000 RCX: ffffc9000780d000
RDX: 0000000000040000 RSI: ffffffff82166ab2 RDI: 0000000000000001
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5589 comm=syz-executor.7
RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88801023f838 R14: 0000000000001000 R15: ffff88801023f838
FS: 00007f0617e80700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb3507ab1f0 CR3: 000000000ec80000 CR4: 0000000000350ef0
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
audit: type=1400 audit(1678102446.333:16): avc: denied { read } for pid=5577 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
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f061a90ab19
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:00007f0617e80188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f061aa1df60 RCX: 00007f061a90ab19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f061a964f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffbb59f37f R14: 00007f0617e80300 R15: 0000000000022000
irq event stamp: 4845
hardirqs last enabled at (4875): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (4906): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (2346): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (2241): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5589 comm=syz-executor.7
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5611 comm=syz-executor.7
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.4 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.7 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5631 comm=syz-executor.7
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5627 comm=syz-executor.4
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5638 comm=syz-executor.3
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5651 comm=syz-executor.4
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5654 comm=syz-executor.3
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5653 comm=syz-executor.7
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5658 comm=syz-executor.4
9pnet_fd: p9_fd_create_tcp (5888): problem connecting socket to 127.0.0.1
syz_tun: entered promiscuous mode
syz_tun: left promiscuous mode
syz_tun: entered promiscuous mode
syz_tun: left promiscuous mode
syz_tun: entered promiscuous mode
syz_tun: left promiscuous mode
loop5: detected capacity change from 0 to 40
syz-executor.5: attempt to access beyond end of device
loop5: rw=2049, sector=40, nr_sectors = 4 limit=40
buffer_io_error: 54 callbacks suppressed
Buffer I/O error on dev loop5, logical block 10, lost async page write
loop5: detected capacity change from 0 to 40
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
syz-executor.5: attempt to access beyond end of device
loop5: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop5, logical block 10, lost async page write