general protection fault, probably for non-canonical address 0xed8d882d6f4f2e66: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0x6c6c616b7a797330-0x6c6c616b7a797337]
CPU: 1 PID: 4480 Comm: syz-executor.4 Not tainted 5.10.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:io_uring_show_cred+0x32f/0x5f0 fs/io_uring.c:8922
Code: 3c 02 00 0f 85 a8 02 00 00 49 8b ae a0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 4d 04 48 89 ca 48 89 4c 24 18 48 c1 ea 03 <0f> b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 e4
RSP: 0018:ffffc90002b6f9f0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888020919a00 RCX: 6c6c616b7a797333
RDX: 0d8d8c2d6f4f2e66 RSI: ffffffff81d32adc RDI: ffff888012700ca0
RBP: 6c6c616b7a79732f R08: 0000000000000001 R09: ffff88806d87e0d6
R10: ffffed100db0fc1a R11: 0000000000000000 R12: 0000000000000001
R13: ffff88802def04a0 R14: ffff888012700c00 R15: ffffffff8b1fe940
FS:  00007f89bcb6d700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31a23000 CR3: 0000000028b93000 CR4: 00000000001526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 idr_for_each+0x113/0x220 lib/idr.c:208
 __io_uring_show_fdinfo fs/io_uring.c:8974 [inline]
 io_uring_show_fdinfo+0x923/0xda0 fs/io_uring.c:8996
 seq_show+0x4a8/0x700 fs/proc/fd.c:65
 seq_read+0x432/0x1070 fs/seq_file.c:208
 do_loop_readv_writev fs/read_write.c:761 [inline]
 do_loop_readv_writev fs/read_write.c:748 [inline]
 do_iter_read+0x48e/0x6e0 fs/read_write.c:803
 vfs_readv+0xe5/0x150 fs/read_write.c:921
 do_preadv fs/read_write.c:1013 [inline]
 __do_sys_preadv fs/read_write.c:1063 [inline]
 __se_sys_preadv fs/read_write.c:1058 [inline]
 __x64_sys_preadv+0x231/0x310 fs/read_write.c:1058
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45deb9
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f89bcb6cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 0000000000025e40 RCX: 000000000045deb9
RDX: 0000000000000333 RSI: 00000000200017c0 RDI: 0000000000000005
RBP: 000000000118bf70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007fff5d3814ef R14: 00007f89bcb6d9c0 R15: 000000000118bf2c
Modules linked in:
---[ end trace 880c89cd4a0b115c ]---
RIP: 0010:io_uring_show_cred+0x32f/0x5f0 fs/io_uring.c:8922
Code: 3c 02 00 0f 85 a8 02 00 00 49 8b ae a0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 4d 04 48 89 ca 48 89 4c 24 18 48 c1 ea 03 <0f> b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 e4
RSP: 0018:ffffc90002b6f9f0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff888020919a00 RCX: 6c6c616b7a797333
RDX: 0d8d8c2d6f4f2e66 RSI: ffffffff81d32adc RDI: ffff888012700ca0
RBP: 6c6c616b7a79732f R08: 0000000000000001 R09: ffff88806d87e0d6
R10: ffffed100db0fc1a R11: 0000000000000000 R12: 0000000000000001
R13: ffff88802def04a0 R14: ffff888012700c00 R15: ffffffff8b1fe940
FS:  00007f89bcb6d700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31620000 CR3: 0000000028b93000 CR4: 00000000001526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400