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KASAN: invalid-free in unlink_anon_vmas

Status: auto-closed as invalid on 2019/06/04 12:15
Subsystems: mm
[Documentation on labels]
Reported-by: syzbot+b71314be155367ad2335@syzkaller.appspotmail.com
First crash: 1968d, last: 1968d

Sample crash report:
==================================================================
BUG: KASAN: double-free or invalid-free in anon_vma_chain_free mm/rmap.c:134 [inline]
BUG: KASAN: double-free or invalid-free in unlink_anon_vmas+0x3b2/0xa60 mm/rmap.c:401

CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
 print_address_description.cold.7+0x9/0x1ff mm/kasan/report.c:256
 kasan_report_invalid_free+0x64/0xa0 mm/kasan/report.c:336
 __kasan_slab_free+0x13a/0x150 mm/kasan/kasan.c:501
 kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528
 __cache_free mm/slab.c:3498 [inline]
 kmem_cache_free+0x83/0x290 mm/slab.c:3760
 anon_vma_chain_free mm/rmap.c:134 [inline]
 unlink_anon_vmas+0x3b2/0xa60 mm/rmap.c:401
 free_pgtables+0x271/0x380 mm/memory.c:393
 exit_mmap+0x2cd/0x590 mm/mmap.c:3146
 __mmput kernel/fork.c:1045 [inline]
 mmput+0x247/0x610 kernel/fork.c:1066
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c8e898 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c8e8c8 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#2] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c8e1b8 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c8e1e8 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#3] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c8dad8 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c8db08 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#4] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c8d3f8 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c8d428 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#5] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c8cd18 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c8cd48 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#6] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c8c638 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c8c668 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#7] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c8bf58 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c8bf88 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#8] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c8b878 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c8b8a8 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#9] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c8b198 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c8b1c8 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#10] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c8aab8 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c8aae8 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#11] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c8a3d8 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c8a408 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#12] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c89cf8 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c89d28 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#13] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c89618 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c89648 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#14] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c88f38 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c88f68 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#15] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c88858 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c88888 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#16] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c88178 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c881a8 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#17] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c87a98 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c87ac8 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#18] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c873b8 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c873e8 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#19] PREEMPT SMP KASAN
CPU: 1 PID: 5879 Comm: rsyslogd Not tainted 4.20.0-rc4+ #329
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c86cd8 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c86d08 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Modules linked in:
---[ end trace 0c05c8ce43445589 ]---
RIP: 0010:vmalloc_fault+0x426/0x770 arch/x86/mm/fault.c:405
Code: e0 e8 5e 27 47 00 48 b8 00 00 00 00 80 88 ff ff 48 ba 00 00 00 00 00 fc ff df 48 01 c3 4d 21 e5 4c 01 eb 48 89 d9 48 c1 e9 03 <80> 3c 11 00 0f 85 b2 02 00 00 48 8b 1b 31 ff 49 89 dc 49 83 e4 9f
RSP: 0018:ffff8881b5c8e898 EFLAGS: 00010006
RAX: ffff888000000000 RBX: 000f110180000060 RCX: 0001e2203000000c
RDX: dffffc0000000000 RSI: ffffffff81386392 RDI: 0000000000000007
RBP: ffff8881b5c8e8c8 R08: ffff8881c6bfc540 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000fffffc0000000
R13: 000f888180000000 R14: ffffc900019b1030 R15: 1ffffffff12a3f90
FS:  00007f04204a8700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900019b1030 CR3: 00000001b52df000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/12/06 12:14 net-next-old 7a35a50df5a3 3ab38479 .config console log report ci-upstream-net-kasan-gce
* Struck through repros no longer work on HEAD.