------------[ cut here ]------------
WARNING: CPU: 1 PID: 11228 at fs/read_write.c:440 __kernel_read+0x8ff/0xa90 fs/read_write.c:440
Modules linked in:
CPU: 1 PID: 11228 Comm: syz-executor.0 Not tainted 5.13.0-rc6-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:__kernel_read+0x8ff/0xa90 fs/read_write.c:440
Code: 8c e8 85 cc 24 02 31 ff 89 c3 89 c6 e8 5a d8 af ff 85 db 0f 85 3b 3c 12 07 49 c7 c5 ea ff ff ff e9 49 fe ff ff e8 91 d0 af ff <0f> 0b 49 c7 c5 ea ff ff ff e9 36 fe ff ff e8 be d9 f4 ff e9 b5 f7
RSP: 0018:ffffc9002acefb28 EFLAGS: 00010216
RAX: 000000000000930d RBX: 000000000017f200 RCX: ffffc90000fa9000
RDX: 0000000000040000 RSI: ffffffff81c50b5f RDI: 0000000000000003
RBP: 000000004808801c R08: 0000000000000000 R09: 0000000000008000
R10: ffffffff81c50348 R11: 0000000000004000 R12: ffff88801658b480
R13: 0000000000000001 R14: ffffc9002acefcf8 R15: 1ffff9200559df68
FS:  0000000000000000(0000) GS:ffff88802cb00000(0063) knlGS:00000000f55dcb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007fca147eb000 CR3: 0000000075dfd000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kernel_read+0x52/0x70 fs/read_write.c:472
 kernel_read_file+0x3b8/0x790 fs/kernel_read_file.c:93
 kernel_read_file_from_fd+0x62/0xb0 fs/kernel_read_file.c:184
 __do_sys_finit_module+0xed/0x1a0 kernel/module.c:4148
 do_syscall_32_irqs_on arch/x86/entry/common.c:78 [inline]
 __do_fast_syscall_32+0x67/0xe0 arch/x86/entry/common.c:143
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:168
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf7fe2549
Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f55dc5fc EFLAGS: 00000296 ORIG_RAX: 000000000000015e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000