------------[ cut here ]------------
WARNING: CPU: 0 PID: 5155 at lib/iov_iter.c:623 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 0 PID: 5155 Comm: syz-executor.7 Not tainted 6.3.0-rc1-next-20230308 #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 e2 e0 34 02 e8 89 05 35 ff be 73 02 00 00 48 c7 c7 a0 e1 9e 84 e8 08 03 59 ff e9 51 fe ff ff e8 6e 05 35 ff <0f> 0b 45 31 f6 eb 87 e8 62 05 35 ff 31 ff 89 ee e8 99 00 35 ff 40
RSP: 0018:ffff8880443bf608 EFLAGS: 00010212
RAX: 0000000000004b3e RBX: 0000000000000000 RCX: ffffc90006a0c000
RDX: 0000000000040000 RSI: ffffffff82166742 RDI: 0000000000000001
RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8880443bf838 R14: 0000000000001000 R15: ffff8880443bf838
FS: 00007f6ceaefa700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555557082c58 CR3: 000000000e73a000 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
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f6ced984b19
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:00007f6ceaefa188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f6ceda97f60 RCX: 00007f6ced984b19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000004
RBP: 00007f6ced9def6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff3c3038cf R14: 00007f6ceaefa300 R15: 0000000000022000
irq event stamp: 1367
hardirqs last enabled at (1377): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1396): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1566): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (2033): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5155 comm=syz-executor.7
sg_write: process 76 (syz-executor.7) changed security contexts after opening file descriptor, this is not allowed.
loop4: detected capacity change from 0 to 264192
FAT-fs (loop4): Unrecognized mount option "¡ï>ŠÐæxqò2µ~ü+2+1'á+UÓ8" or missing value
loop4: detected capacity change from 0 to 264192
FAT-fs (loop4): Unrecognized mount option "¡ï>ŠÐæxqò2µ~ü+2+1'á+UÓ8" or missing value