sock_alloc+0x3c/0x270 net/socket.c:569
__sock_create+0x8a/0x620 net/socket.c:1239
sock_create net/socket.c:1315 [inline]
SYSC_socket net/socket.c:1345 [inline]
SyS_socket+0xd1/0x1b0 net/socket.c:1325
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
general protection fault: 0000 [#1] PREEMPT SMP KASAN
RIP: 0033:0x7f284f7ef049
Modules linked in:
RSP: 002b:00007f284e164168 EFLAGS: 00000246
ORIG_RAX: 0000000000000029
CPU: 1 PID: 17300 Comm: syz-executor.5 Not tainted 4.14.275-syzkaller #0
RAX: ffffffffffffffda RBX: 00007f284f901f60 RCX: 00007f284f7ef049
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000a
task: ffff8880a2a14280 task.stack: ffff88807c240000
RBP: 00007f284e1641d0 R08: 0000000000000000 R09: 0000000000000000
RIP: 0010:dev_put include/linux/netdevice.h:3381 [inline]
RIP: 0010:llc_ui_autobind.isra.0+0x26b/0x390 net/llc/af_llc.c:320
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
RSP: 0018:ffff88807c247bf8 EFLAGS: 00010202
R13: 00007ffdb1a21e5f R14: 00007f284e164300 R15: 0000000000022000
socket: no more sockets
RAX: dffffc0000000000 RBX: ffff88809f096bc0 RCX: ffffc90005bec000
RDX: 00000000000000a8 RSI: ffffffff85d0c563 RDI: 0000000000000540
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffea
socket: no more sockets
R13: ffff88807c247e28 R14: ffff888090307640 R15: ffff888090307660
FS: 00007f82cf978700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7ee2212920 CR3: 00000000a3672000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
llc_ui_sendmsg+0x638/0xec0 net/llc/af_llc.c:952
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
SYSC_sendto net/socket.c:1763 [inline]
SyS_sendto+0x1c7/0x2c0 net/socket.c:1731
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f82d1003049
RSP: 002b:00007f82cf978168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f82d1115f60 RCX: 00007f82d1003049
RDX: 00000000000001c3 RSI: 00000000200002c0 RDI: 0000000000000005
RBP: 00007f82d105d08d R08: 0000000020001380 R09: 0000000000000080
R10: 00000000000040c0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffea17878ff R14: 00007f82cf978300 R15: 0000000000022000
Code: 55 ff ff 48 0f ba 73 60 08 45 31 e4 31 ed e8 dd 7c 84 fb 48 8d bd 40 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 f2 00 00 00 48 8b 85 40 05 00 00 65 ff 08 44
RIP: dev_put include/linux/netdevice.h:3381 [inline] RSP: ffff88807c247bf8
RIP: llc_ui_autobind.isra.0+0x26b/0x390 net/llc/af_llc.c:320 RSP: ffff88807c247bf8
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 17320 Comm: syz-executor.2 Tainted: G D 4.14.275-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x281 lib/dump_stack.c:58
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0x10a/0x149 lib/fault-inject.c:149
should_failslab+0xd6/0x130 mm/failslab.c:32
slab_pre_alloc_hook mm/slab.h:421 [inline]
slab_alloc mm/slab.c:3376 [inline]
kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616
kmalloc include/linux/slab.h:488 [inline]
sock_alloc_inode+0x5f/0x250 net/socket.c:254
alloc_inode+0x5d/0x170 fs/inode.c:210
new_inode_pseudo+0x14/0xe0 fs/inode.c:899
sock_alloc+0x3c/0x270 net/socket.c:569
__sock_create+0x8a/0x620 net/socket.c:1239
sock_create net/socket.c:1315 [inline]
SYSC_socket net/socket.c:1345 [inline]
SyS_socket+0xd1/0x1b0 net/socket.c:1325
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f284f7ef049
RSP: 002b:00007f284e164168 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f284f901f60 RCX: 00007f284f7ef049
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000a
RBP: 00007f284e1641d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffdb1a21e5f R14: 00007f284e164300 R15: 0000000000022000
CPU: 0 PID: 17328 Comm: syz-executor.1 Tainted: G D 4.14.275-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
socket: no more sockets
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x281 lib/dump_stack.c:58
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0x10a/0x149 lib/fault-inject.c:149
should_failslab+0xd6/0x130 mm/failslab.c:32
slab_pre_alloc_hook mm/slab.h:421 [inline]
slab_alloc mm/slab.c:3376 [inline]
kmem_cache_alloc_trace+0x29a/0x3d0 mm/slab.c:3616
kmalloc include/linux/slab.h:488 [inline]
sock_alloc_inode+0x5f/0x250 net/socket.c:254
alloc_inode+0x5d/0x170 fs/inode.c:210
new_inode_pseudo+0x14/0xe0 fs/inode.c:899
sock_alloc+0x3c/0x270 net/socket.c:569
__sock_create+0x8a/0x620 net/socket.c:1239
sock_create net/socket.c:1315 [inline]
SYSC_socket net/socket.c:1345 [inline]
SyS_socket+0xd1/0x1b0 net/socket.c:1325
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f034e805049
RSP: 002b:00007f034d17a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f034e917f60 RCX: 00007f034e805049
RDX: 000000000000a129 RSI: 0000000000000000 RDI: 000000000000000a
RBP: 00007f034d17a1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffcec4d663f R14: 00007f034d17a300 R15: 0000000000022000
socket: no more sockets
CPU: 1 PID: 17345 Comm: syz-executor.2 Tainted: G D 4.14.275-syzkaller #0
---[ end trace 108de84d94379305 ]---
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x281 lib/dump_stack.c:58
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0x10a/0x149 lib/fault-inject.c:149
----------------
Code disassembly (best guess), 2 bytes skipped:
0: ff 48 0f decl 0xf(%rax)
3: ba 73 60 08 45 mov $0x45086073,%edx
8: 31 e4 xor %esp,%esp
a: 31 ed xor %ebp,%ebp
c: e8 dd 7c 84 fb callq 0xfb847cee
11: 48 8d bd 40 05 00 00 lea 0x540(%rbp),%rdi
18: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1f: fc ff df
22: 48 89 fa mov %rdi,%rdx
25: 48 c1 ea 03 shr $0x3,%rdx
* 29: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2d: 0f 85 f2 00 00 00 jne 0x125
33: 48 8b 85 40 05 00 00 mov 0x540(%rbp),%rax
3a: 65 ff 08 decl %gs:(%rax)
3d: 44 rex.R