WARNING: CPU: 0 PID: 10021 at fs/read_write.c:440 __kernel_read+0x8ff/0xa90 fs/read_write.c:440 Modules linked in: CPU: 0 PID: 10021 Comm: syz-executor.5 Not tainted 5.14.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__kernel_read+0x8ff/0xa90 fs/read_write.c:440 Code: 8b e8 75 f2 2b 02 31 ff 89 c3 89 c6 e8 8a 22 af ff 85 db 0f 85 23 bd 24 07 49 c7 c5 ea ff ff ff e9 49 fe ff ff e8 c1 19 af ff <0f> 0b 49 c7 c5 ea ff ff ff e9 36 fe ff ff e8 7e db f4 ff e9 b5 f7 RSP: 0018:ffffc900168c7b48 EFLAGS: 00010216 RAX: 0000000000001e8f RBX: 0000000000000400 RCX: ffffc90014359000 RDX: 0000000000040000 RSI: ffffffff81c5c4af RDI: 0000000000000003 RBP: 000000004808801c R08: 0000000000000000 R09: 0000000000008000 R10: ffffffff81c5bc98 R11: 0000000000004000 R12: ffff88802322aa40 R13: 0000000000000001 R14: ffffc900168c7d18 R15: 1ffff92002d18f6c FS: 00007ff180647700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056465dfe7808 CR3: 000000003a7fb000 CR4: 00000000001506f0 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:4175 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665e9 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:00007ff180647188 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffe076a4e5f R14: 00007ff180647300 R15: 0000000000022000