------------[ cut here ]------------
WARNING: CPU: 1 PID: 30756 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1170
Modules linked in:
CPU: 1 PID: 30756 Comm: syz-executor.1 Not tainted 6.2.0-rc4-next-20230118 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2bf/0x1170
Code: 5d 41 5e 41 5f e9 25 ba 32 02 e8 4c 97 37 ff be 79 02 00 00 48 c7 c7 40 e0 9e 84 e8 bb 29 5b ff e9 48 fe ff ff e8 31 97 37 ff <0f> 0b 45 31 f6 eb 87 e8 25 97 37 ff 31 ff 89 ee e8 ec 92 37 ff 40
RSP: 0018:ffff888044fe7608 EFLAGS: 00010216
RAX: 0000000000000e12 RBX: 0000000000000000 RCX: ffffc90002f02000
RDX: 0000000000040000 RSI: ffffffff8211eb3f RDI: 0000000000000001
RBP: 0000000000000390 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888044fe7838
R13: ffffea000111ba00 R14: 0000000000000390 R15: ffff888044fe7838
FS: 00007f30084a2700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30a29000 CR3: 000000004454e000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. Quota mode: none.
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+0x698/0xa90
sg_write+0x8d/0xe0
vfs_write+0x2cf/0xdd0
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f300af2cb19
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:00007f30084a2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f300b03ff60 RCX: 00007f300af2cb19
RDX: 000000000000002b RSI: 0000000020000380 RDI: 0000000000000007
RBP: 00007f300af86f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdeec798bf R14: 00007f30084a2300 R15: 0000000000022000
irq event stamp: 10023
hardirqs last enabled at (10099): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (10174): [] sysvec_apic_timer_interrupt+0xf/0xc0
softirqs last enabled at (3340): [] irq_exit_rcu+0x11f/0x190
softirqs last disabled at (3213): [] irq_exit_rcu+0x11f/0x190
---[ end trace 0000000000000000 ]---
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
program syz-executor.1 not setting count and/or reply_len properly
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
program syz-executor.1 not setting count and/or reply_len properly
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
program syz-executor.1 not setting count and/or reply_len properly
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
program syz-executor.5 not setting count and/or reply_len properly
random: crng reseeded on system resumption
Restarting kernel threads ... done.
random: crng reseeded on system resumption
Restarting kernel threads ... done.
random: crng reseeded on system resumption
device syz_tun entered promiscuous mode
selinux_netlink_send: 9 callbacks suppressed
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=31903 comm=syz-executor.1
device syz_tun left promiscuous mode
random: crng reseeded on system resumption
Restarting kernel threads ... done.
device syz_tun entered promiscuous mode
device syz_tun entered promiscuous mode
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=32117 comm=syz-executor.1
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=32121 comm=syz-executor.6
device syz_tun left promiscuous mode
random: crng reseeded on system resumption
device syz_tun left promiscuous mode
Restarting kernel threads ... done.
device syz_tun entered promiscuous mode
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=32130 comm=syz-executor.4
device syz_tun left promiscuous mode
device syz_tun entered promiscuous mode
device syz_tun entered promiscuous mode
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=32136 comm=syz-executor.1
device syz_tun left promiscuous mode
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=32137 comm=syz-executor.6
device syz_tun left promiscuous mode
device syz_tun entered promiscuous mode
device syz_tun entered promiscuous mode
device syz_tun entered promiscuous mode
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=32158 comm=syz-executor.4
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=32157 comm=syz-executor.6
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=32156 comm=syz-executor.1
device syz_tun left promiscuous mode
device syz_tun left promiscuous mode
device syz_tun left promiscuous mode
device syz_tun entered promiscuous mode
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=32170 comm=syz-executor.4
device syz_tun left promiscuous mode
device syz_tun entered promiscuous mode
device syz_tun left promiscuous mode
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'.
device syz_tun entered promiscuous mode
device syz_tun left promiscuous mode
device syz_tun entered promiscuous mode
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'.
device syz_tun left promiscuous mode
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.3'.