general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 15033 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:73 [inline] RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:98 [inline] RIP: 0010:scatterwalk_copychunks+0x4db/0x6a0 crypto/scatterwalk.c:55 Code: ff df 80 3c 02 00 0f 85 98 01 00 00 49 8d 44 24 08 4d 89 26 48 89 c2 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 9f 01 00 00 48 b8 00 00 00 00 RSP: 0018:ffff888097ddf238 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 000000000000401d RCX: ffffc90008355000 RDX: 0000000000000001 RSI: ffffffff83739e63 RDI: 0000000000000007 RBP: 000000000000401d R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000001000 R14: ffff888097ddf2e8 R15: 0000000000000001 FS: 00007fe20dbda700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f018bc036be CR3: 0000000090bd0000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: scatterwalk_map_and_copy crypto/scatterwalk.c:72 [inline] scatterwalk_map_and_copy+0x121/0x1a0 crypto/scatterwalk.c:60 gcmaes_encrypt.constprop.0+0x89f/0xd90 arch/x86/crypto/aesni-intel_glue.c:980 Modules linked in: ---[ end trace 97c7e4c750a18535 ]--- RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:73 [inline] RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:98 [inline] RIP: 0010:scatterwalk_copychunks+0x4db/0x6a0 crypto/scatterwalk.c:55 Code: ff df 80 3c 02 00 0f 85 98 01 00 00 49 8d 44 24 08 4d 89 26 48 89 c2 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 9f 01 00 00 48 b8 00 00 00 00 kauditd_printk_skb: 13 callbacks suppressed audit: type=1804 audit(1675286596.436:3608): pid=15062 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir3342522025/syzkaller.NCBZFL/1383/bus" dev="sda1" ino=14278 res=1 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. RSP: 0018:ffff888097ddf238 EFLAGS: 00010202 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 audit: type=1804 audit(1675286596.556:3609): pid=15071 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir154666010/syzkaller.bRenjS/1100/bus" dev="sda1" ino=14624 res=1 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. RAX: dffffc0000000000 RBX: 000000000000401d RCX: ffffc90008355000 RDX: 0000000000000001 RSI: ffffffff83739e63 RDI: 0000000000000007 CPU: 1 PID: 15075 Comm: syz-executor.0 Tainted: G D 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc+0x2ab/0x3c0 mm/slab.c:3736 kmalloc_array include/linux/slab.h:637 [inline] kcalloc include/linux/slab.h:648 [inline] alloc_pipe_info+0x193/0x470 fs/pipe.c:679 splice_direct_to_actor+0x6dd/0x8d0 fs/splice.c:921 do_splice_direct+0x1a7/0x270 fs/splice.c:1068 do_sendfile+0x550/0xc30 fs/read_write.c:1447 __do_sys_sendfile64 fs/read_write.c:1508 [inline] __se_sys_sendfile64+0x147/0x160 fs/read_write.c:1494 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f018afba0c9 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:00007f01894ea168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f018b0da120 RCX: 00007f018afba0c9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000008 RBP: 00007f01894ea1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000800100020046 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff150e3fef R14: 00007f01894ea300 R15: 0000000000022000 RBP: 000000000000401d R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000001000 R14: ffff888097ddf2e8 R15: 0000000000000001 FS: 00007fe20dbda700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f018b03c260 CR3: 0000000090bd0000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: df 80 3c 02 00 0f filds 0xf00023c(%rax) 6: 85 98 01 00 00 49 test %ebx,0x49000001(%rax) c: 8d 44 24 08 lea 0x8(%rsp),%eax 10: 4d 89 26 mov %r12,(%r14) 13: 48 89 c2 mov %rax,%rdx 16: 48 89 44 24 18 mov %rax,0x18(%rsp) 1b: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 22: fc ff df 25: 48 c1 ea 03 shr $0x3,%rdx * 29: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2d: 84 c0 test %al,%al 2f: 74 08 je 0x39 31: 3c 03 cmp $0x3,%al 33: 0f 8e 9f 01 00 00 jle 0x1d8 39: 48 rex.W 3a: b8 00 00 00 00 mov $0x0,%eax