sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.3 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 11502 at lib/iov_iter.c:385 _copy_from_iter+0x2f1/0x1320
Modules linked in:
CPU: 1 PID: 11502 Comm: syz-executor.3 Not tainted 6.4.0-rc4-next-20230602 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2f1/0x1320
Code: b2 ff ff 89 c3 e9 1f ff ff ff e8 7a e0 35 ff be 85 01 00 00 48 c7 c7 60 ea 9e 84 e8 59 3a 5a ff e9 13 fe ff ff e8 5f e0 35 ff <0f> 0b 45 31 f6 e9 67 ff ff ff e8 50 e0 35 ff 31 ff 89 ee e8 87 db
RSP: 0018:ffff888044b2f608 EFLAGS: 00010216
RAX: 00000000000046fa RBX: 0000000000000000 RCX: ffffc90001fe3000
RDX: 0000000000040000 RSI: ffffffff82162b21 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff818110d5 R12: 0000000000001000
R13: ffffea0001144000 R14: 0000000000001000 R15: ffff888044b2f838
FS: 00007fe64bef0700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbdee4e2018 CR3: 00000000442a4000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
copy_page_from_iter+0xe3/0x180
blk_rq_map_user_iov+0xb39/0x16c0
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+0x2b8/0xd40
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7fe64e97ab19
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:00007fe64bef0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe64ea8df60 RCX: 00007fe64e97ab19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007fe64e9d4f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcb81576bf R14: 00007fe64bef0300 R15: 0000000000022000
irq event stamp: 6339
hardirqs last enabled at (6401): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (6466): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (6048): [] irq_exit_rcu+0x93/0xc0
softirqs last disabled at (5991): [] irq_exit_rcu+0x93/0xc0
---[ end trace 0000000000000000 ]---
lo: left promiscuous mode
lo: left allmulticast mode
lo: entered promiscuous mode
lo: entered allmulticast mode
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=11502 comm=syz-executor.3
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.3 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=11532 comm=syz-executor.3
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=11535 comm=syz-executor.1
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.6 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=11537 comm=syz-executor.6
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=11548 comm=syz-executor.1
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.2 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.3 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.6 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=11557 comm=syz-executor.3
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=11549 comm=syz-executor.2
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=11559 comm=syz-executor.6
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.2 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.6 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.3 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=11571 comm=syz-executor.1
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=11563 comm=syz-executor.2
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=11569 comm=syz-executor.6
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.2 not setting count and/or reply_len properly
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: none.
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: none.
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.7'.
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.7'.
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.3'.
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.7'.
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.2'.
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.7'.
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.3'.
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
netlink: 32 bytes leftover after parsing attributes in process `syz-executor.2'.
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
audit: type=1326 audit(1685705285.885:42): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=11912 comm="syz-executor.0" exe="/syz-executor.0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7faa4c89eb19 code=0x0
audit: type=1326 audit(1685705285.890:43): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=11912 comm="syz-executor.0" exe="/syz-executor.0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7faa4c89eb19 code=0x0