------------[ cut here ]------------
kernel BUG at mm/slab.c:2954!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 12304 Comm: syz-executor0 Not tainted 5.0.0-rc4+ #67
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:alloc_block mm/slab.c:2954 [inline]
RIP: 0010:cache_alloc_refill mm/slab.c:3013 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3116 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3099 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3311 [inline]
RIP: 0010:kmem_cache_alloc_node+0x61b/0x710 mm/slab.c:3631
Code: 45 c0 4c 89 62 08 48 89 53 08 48 89 4b 10 4c 89 60 48 41 f6 45 23 40 0f 84 58 ff ff ff 48 c7 43 20 00 00 00 00 e9 4b ff ff ff <0f> 0b 0f 0b c7 46 0c 01 00 00 00 e9 60 ff ff ff 0f 1f 44 00 00 8b
RSP: 0018:ffff88805f7f76e0 EFLAGS: 00010096
RAX: 000000000000000c RBX: ffffea000242bd40 RCX: ffffffff81a63f56
RDX: ffff8880935ae138 RSI: 0000000000000004 RDI: ffff8880935ae100
RBP: ffff88805f7f7750 R08: 1ffff110126b5c20 R09: ffffed10126b5c21
R10: ffffed10126b5c20 R11: ffff8880935ae103 R12: ffff88821b6fb540
R13: ffff8880976ce180 R14: 0000000000000010 R15: ffffe8ffffd81030
FS:  00007fc6345c8700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000073c000 CR3: 0000000056c4b000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __alloc_skb+0xd5/0x5e0 net/core/skbuff.c:196
 alloc_skb include/linux/skbuff.h:1011 [inline]
 alloc_skb_with_frags+0x93/0x580 net/core/skbuff.c:5283
 sock_alloc_send_pskb+0x72d/0x8a0 net/core/sock.c:2091
 unix_dgram_sendmsg+0x3de/0x11e0 net/unix/af_unix.c:1679
 sock_sendmsg_nosec net/socket.c:621 [inline]
 sock_sendmsg+0xdd/0x130 net/socket.c:631
 sock_write_iter+0x27c/0x3e0 net/socket.c:900
 call_write_iter include/linux/fs.h:1862 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x613/0x8e0 fs/read_write.c:487
 vfs_write+0x20c/0x580 fs/read_write.c:549
 ksys_write+0xea/0x1f0 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:607
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e39
Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc6345c7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39
RDX: 00000000000103a2 RSI: 0000000020000000 RDI: 0000000000000004
RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc6345c86d4
R13: 00000000004c71f1 R14: 00000000004dcc90 R15: 00000000ffffffff
Modules linked in:
---[ end trace 9fe99763fa77446b ]---
RIP: 0010:alloc_block mm/slab.c:2954 [inline]
RIP: 0010:cache_alloc_refill mm/slab.c:3013 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3116 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3099 [inline]
RIP: 0010:slab_alloc_node mm/slab.c:3311 [inline]
RIP: 0010:kmem_cache_alloc_node+0x61b/0x710 mm/slab.c:3631
Code: 45 c0 4c 89 62 08 48 89 53 08 48 89 4b 10 4c 89 60 48 41 f6 45 23 40 0f 84 58 ff ff ff 48 c7 43 20 00 00 00 00 e9 4b ff ff ff <0f> 0b 0f 0b c7 46 0c 01 00 00 00 e9 60 ff ff ff 0f 1f 44 00 00 8b
RSP: 0018:ffff88805f7f76e0 EFLAGS: 00010096
RAX: 000000000000000c RBX: ffffea000242bd40 RCX: ffffffff81a63f56
RDX: ffff8880935ae138 RSI: 0000000000000004 RDI: ffff8880935ae100
RBP: ffff88805f7f7750 R08: 1ffff110126b5c20 R09: ffffed10126b5c21
R10: ffffed10126b5c20 R11: ffff8880935ae103 R12: ffff88821b6fb540
R13: ffff8880976ce180 R14: 0000000000000010 R15: ffffe8ffffd81030
FS:  00007fc6345c8700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000073c000 CR3: 0000000056c4b000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400