general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027]
CPU: 0 PID: 5431 Comm: syz-executor.0 Not tainted 6.4.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:crypto_shash_alg include/crypto/hash.h:827 [inline]
RIP: 0010:crypto_shash_final crypto/shash.c:171 [inline]
RIP: 0010:shash_async_final+0x68/0x130 crypto/shash.c:319
Code: 48 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 ab 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5b 50 48 8d 7b 20 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7a 48 b8 00 00 00 00 00 fc ff df 48 8b 5b 20 48 8d
RSP: 0018:ffffc9000449f968 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000004 RSI: 0000000000000010 RDI: 0000000000000020
RBP: ffff88801a6da2f8 R08: 0000000000000001 R09: 0000000000000010
R10: ffff88801a6da2a4 R11: ffff88801a6da2a8 R12: ffff8880265ef000
R13: ffff88801a6da238 R14: 0000000000000000 R15: ffffc9000449fdb8
FS:  00007faaee738700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020011038 CR3: 000000007343a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hash_recvmsg+0x234/0xab0 crypto/algif_hash.c:248
 sock_recvmsg_nosec net/socket.c:1019 [inline]
 sock_recvmsg+0xcd/0x160 net/socket.c:1040
 ____sys_recvmsg+0x1b2/0x560 net/socket.c:2724
 ___sys_recvmsg+0xc3/0x130 net/socket.c:2766
 do_recvmmsg+0x1d9/0x570 net/socket.c:2860
 __sys_recvmmsg net/socket.c:2939 [inline]
 __do_sys_recvmmsg net/socket.c:2962 [inline]
 __se_sys_recvmmsg net/socket.c:2955 [inline]
 __x64_sys_recvmmsg+0x19e/0x200 net/socket.c:2955
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7faaeda8c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007faaee738168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007faaedbabf80 RCX: 00007faaeda8c169
RDX: 000000000000049f RSI: 0000000020006100 RDI: 0000000000000004
RBP: 00007faaedae7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd81e2db8f R14: 00007faaee738300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:crypto_shash_alg include/crypto/hash.h:827 [inline]
RIP: 0010:crypto_shash_final crypto/shash.c:171 [inline]
RIP: 0010:shash_async_final+0x68/0x130 crypto/shash.c:319
Code: 48 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 ab 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5b 50 48 8d 7b 20 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7a 48 b8 00 00 00 00 00 fc ff df 48 8b 5b 20 48 8d
RSP: 0018:ffffc9000449f968 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000004 RSI: 0000000000000010 RDI: 0000000000000020
RBP: ffff88801a6da2f8 R08: 0000000000000001 R09: 0000000000000010
R10: ffff88801a6da2a4 R11: ffff88801a6da2a8 R12: ffff8880265ef000
R13: ffff88801a6da238 R14: 0000000000000000 R15: ffffc9000449fdb8
FS:  00007faaee738700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc0b7fe028 CR3: 000000007343a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	48 89 ea             	mov    %rbp,%rdx
   3:	48 c1 ea 03          	shr    $0x3,%rdx
   7:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   b:	0f 85 ab 00 00 00    	jne    0xbc
  11:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  18:	fc ff df
  1b:	48 8b 5b 50          	mov    0x50(%rbx),%rbx
  1f:	48 8d 7b 20          	lea    0x20(%rbx),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	75 7a                	jne    0xaa
  30:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  37:	fc ff df
  3a:	48 8b 5b 20          	mov    0x20(%rbx),%rbx
  3e:	48                   	rex.W
  3f:	8d                   	.byte 0x8d