general protection fault in nfc_genl_dump_devices_done
6 views
Skip to first unread message
syzbot
Nov 4, 2022, 7:14:44 AM11/4/22
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=14732fb6880000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=5185a08c2e0f0cec505a
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/98c0bdb4abb3/disk-3f8a27f9.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ea228ff02669/vmlinux-3f8a27f9.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+5185a0...@syzkaller.appspotmail.com
RAX: ffffffffffffffda RBX: 00007f82fa2f6120 RCX: 00007f82fa1d55a9
RDX: 0000000000000029 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f82f87061d0 R08: 0000000000000014 R09: 0000000000000000
R10: 00000000200000c0 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe99269e3f R14: 00007f82f8706300 R15: 0000000000022000
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 18377 Comm: kworker/0:5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: events netlink_sock_destruct_work
RIP: 0010:klist_iter_exit+0x21/0x80 lib/klist.c:314
Code: 66 0f 1f 84 00 00 00 00 00 41 54 55 53 48 89 fb e8 34 69 74 f9 48 8d 6b 08 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 75 40 4c 8b 63 08 4d 85 e4 74 2e e8 0b 69 74 f9 31 f6
RSP: 0018:ffff888046c27c48 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff87ee1c3c RDI: 0000000000000000
RBP: 0000000000000008 R08: 0000000000000000 R09: fffffbfff15cf8ac
R10: ffffffff8ae7c567 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff896f11a0 R14: ffff8880ba02a8c0 R15: ffff8880ba02f000
FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff7c925eff8 CR3: 000000009b895000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
nfc_device_iter_exit net/nfc/nfc.h:133 [inline]
nfc_genl_dump_devices_done+0x31/0x50 net/nfc/netlink.c:658
genl_lock_done+0x82/0xc0 net/netlink/genetlink.c:495
netlink_sock_destruct+0x96/0x280 net/netlink/af_netlink.c:398
__sk_destruct+0x4b/0x8a0 net/core/sock.c:1576
sk_destruct net/core/sock.c:1617 [inline]
__sk_free+0x165/0x3b0 net/core/sock.c:1628
sk_free+0x3b/0x50 net/core/sock.c:1639
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
---[ end trace abbbda8bcbb84c51 ]---
RIP: 0010:klist_iter_exit+0x21/0x80 lib/klist.c:314
Code: 66 0f 1f 84 00 00 00 00 00 41 54 55 53 48 89 fb e8 34 69 74 f9 48 8d 6b 08 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 75 40 4c 8b 63 08 4d 85 e4 74 2e e8 0b 69 74 f9 31 f6
RSP: 0018:ffff888046c27c48 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff87ee1c3c RDI: 0000000000000000
netlink: 'syz-executor.2': attribute type 4 has an invalid length.
RBP: 0000000000000008 R08: 0000000000000000 R09: fffffbfff15cf8ac
R10: ffffffff8ae7c567 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff896f11a0 R14: ffff8880ba02a8c0 R15: ffff8880ba02f000
FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560c073c9160 CR3: 000000009b895000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1)
7: 00 00
9: 41 54 push %r12
b: 55 push %rbp
c: 53 push %rbx
d: 48 89 fb mov %rdi,%rbx
10: e8 34 69 74 f9 callq 0xf9746949
15: 48 8d 6b 08 lea 0x8(%rbx),%rbp
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 48 89 ea mov %rbp,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 75 40 jne 0x70
30: 4c 8b 63 08 mov 0x8(%rbx),%r12
34: 4d 85 e4 test %r12,%r12
37: 74 2e je 0x67
39: e8 0b 69 74 f9 callq 0xf9746949
3e: 31 f6 xor %esi,%esi
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=14732fb6880000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=5185a08c2e0f0cec505a
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/98c0bdb4abb3/disk-3f8a27f9.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ea228ff02669/vmlinux-3f8a27f9.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+5185a0...@syzkaller.appspotmail.com
RAX: ffffffffffffffda RBX: 00007f82fa2f6120 RCX: 00007f82fa1d55a9
RDX: 0000000000000029 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f82f87061d0 R08: 0000000000000014 R09: 0000000000000000
R10: 00000000200000c0 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe99269e3f R14: 00007f82f8706300 R15: 0000000000022000
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 18377 Comm: kworker/0:5 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: events netlink_sock_destruct_work
RIP: 0010:klist_iter_exit+0x21/0x80 lib/klist.c:314
Code: 66 0f 1f 84 00 00 00 00 00 41 54 55 53 48 89 fb e8 34 69 74 f9 48 8d 6b 08 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 75 40 4c 8b 63 08 4d 85 e4 74 2e e8 0b 69 74 f9 31 f6
RSP: 0018:ffff888046c27c48 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff87ee1c3c RDI: 0000000000000000
RBP: 0000000000000008 R08: 0000000000000000 R09: fffffbfff15cf8ac
R10: ffffffff8ae7c567 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff896f11a0 R14: ffff8880ba02a8c0 R15: ffff8880ba02f000
FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff7c925eff8 CR3: 000000009b895000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
nfc_device_iter_exit net/nfc/nfc.h:133 [inline]
nfc_genl_dump_devices_done+0x31/0x50 net/nfc/netlink.c:658
genl_lock_done+0x82/0xc0 net/netlink/genetlink.c:495
netlink_sock_destruct+0x96/0x280 net/netlink/af_netlink.c:398
__sk_destruct+0x4b/0x8a0 net/core/sock.c:1576
sk_destruct net/core/sock.c:1617 [inline]
__sk_free+0x165/0x3b0 net/core/sock.c:1628
sk_free+0x3b/0x50 net/core/sock.c:1639
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
---[ end trace abbbda8bcbb84c51 ]---
RIP: 0010:klist_iter_exit+0x21/0x80 lib/klist.c:314
Code: 66 0f 1f 84 00 00 00 00 00 41 54 55 53 48 89 fb e8 34 69 74 f9 48 8d 6b 08 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 75 40 4c 8b 63 08 4d 85 e4 74 2e e8 0b 69 74 f9 31 f6
RSP: 0018:ffff888046c27c48 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff87ee1c3c RDI: 0000000000000000
netlink: 'syz-executor.2': attribute type 4 has an invalid length.
RBP: 0000000000000008 R08: 0000000000000000 R09: fffffbfff15cf8ac
R10: ffffffff8ae7c567 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff896f11a0 R14: ffff8880ba02a8c0 R15: ffff8880ba02f000
FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560c073c9160 CR3: 000000009b895000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1)
7: 00 00
9: 41 54 push %r12
b: 55 push %rbp
c: 53 push %rbx
d: 48 89 fb mov %rdi,%rbx
10: e8 34 69 74 f9 callq 0xf9746949
15: 48 8d 6b 08 lea 0x8(%rbx),%rbp
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 48 89 ea mov %rbp,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 75 40 jne 0x70
30: 4c 8b 63 08 mov 0x8(%rbx),%r12
34: 4d 85 e4 test %r12,%r12
37: 74 2e je 0x67
39: e8 0b 69 74 f9 callq 0xf9746949
3e: 31 f6 xor %esi,%esi
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot
Nov 4, 2022, 7:30:45 AM11/4/22
to syzkaller...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=129a3761880000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10e246de880000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/98c0bdb4abb3/disk-3f8a27f9.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ea228ff02669/vmlinux-3f8a27f9.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+5185a0...@syzkaller.appspotmail.com
RBP: 00007fff9cdbfba0 R08: 0000000000000001 R09: 0000000000000140
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000013 R14: 00007fff9cdbfbf0 R15: 0000000000000001
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=5185a08c2e0f0cec505a
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12127961880000
dashboard link: https://syzkaller.appspot.com/bug?extid=5185a08c2e0f0cec505a
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10e246de880000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/98c0bdb4abb3/disk-3f8a27f9.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ea228ff02669/vmlinux-3f8a27f9.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+5185a0...@syzkaller.appspotmail.com
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000013 R14: 00007fff9cdbfbf0 R15: 0000000000000001
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: 0 PID: 3563 Comm: kworker/0:2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: events netlink_sock_destruct_work
RIP: 0010:klist_iter_exit+0x21/0x80 lib/klist.c:314
Code: 66 0f 1f 84 00 00 00 00 00 41 54 55 53 48 89 fb e8 34 69 74 f9 48 8d 6b 08 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 75 40 4c 8b 63 08 4d 85 e4 74 2e e8 0b 69 74 f9 31 f6
RSP: 0018:ffff8880a9377c48 EFLAGS: 00010202
Workqueue: events netlink_sock_destruct_work
RIP: 0010:klist_iter_exit+0x21/0x80 lib/klist.c:314
Code: 66 0f 1f 84 00 00 00 00 00 41 54 55 53 48 89 fb e8 34 69 74 f9 48 8d 6b 08 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 75 40 4c 8b 63 08 4d 85 e4 74 2e e8 0b 69 74 f9 31 f6
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff87ee1c3c RDI: 0000000000000000
RBP: 0000000000000008 R08: 0000000000000000 R09: fffffbfff15cf8ac
R10: ffffffff8ae7c567 R11: 0000000000074071 R12: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff87ee1c3c RDI: 0000000000000000
RBP: 0000000000000008 R08: 0000000000000000 R09: fffffbfff15cf8ac
R13: ffffffff896f11a0 R14: ffff8880ba02a8c0 R15: ffff8880ba02f000
FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557d4efa4848 CR3: 000000009d624000 CR4: 00000000003406f0
FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
nfc_device_iter_exit net/nfc/nfc.h:133 [inline]
nfc_genl_dump_devices_done+0x31/0x50 net/nfc/netlink.c:658
genl_lock_done+0x82/0xc0 net/netlink/genetlink.c:495
netlink_sock_destruct+0x96/0x280 net/netlink/af_netlink.c:398
__sk_destruct+0x4b/0x8a0 net/core/sock.c:1576
sk_destruct net/core/sock.c:1617 [inline]
__sk_free+0x165/0x3b0 net/core/sock.c:1628
sk_free+0x3b/0x50 net/core/sock.c:1639
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
---[ end trace e63dcfa994966649 ]---
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
nfc_device_iter_exit net/nfc/nfc.h:133 [inline]
nfc_genl_dump_devices_done+0x31/0x50 net/nfc/netlink.c:658
genl_lock_done+0x82/0xc0 net/netlink/genetlink.c:495
netlink_sock_destruct+0x96/0x280 net/netlink/af_netlink.c:398
__sk_destruct+0x4b/0x8a0 net/core/sock.c:1576
sk_destruct net/core/sock.c:1617 [inline]
__sk_free+0x165/0x3b0 net/core/sock.c:1628
sk_free+0x3b/0x50 net/core/sock.c:1639
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
RIP: 0010:klist_iter_exit+0x21/0x80 lib/klist.c:314
Code: 66 0f 1f 84 00 00 00 00 00 41 54 55 53 48 89 fb e8 34 69 74 f9 48 8d 6b 08 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 75 40 4c 8b 63 08 4d 85 e4 74 2e e8 0b 69 74 f9 31 f6
RSP: 0018:ffff8880a9377c48 EFLAGS: 00010202
Code: 66 0f 1f 84 00 00 00 00 00 41 54 55 53 48 89 fb e8 34 69 74 f9 48 8d 6b 08 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 75 40 4c 8b 63 08 4d 85 e4 74 2e e8 0b 69 74 f9 31 f6
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff87ee1c3c RDI: 0000000000000000
RBP: 0000000000000008 R08: 0000000000000000 R09: fffffbfff15cf8ac
R10: ffffffff8ae7c567 R11: 0000000000074071 R12: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff87ee1c3c RDI: 0000000000000000
RBP: 0000000000000008 R08: 0000000000000000 R09: fffffbfff15cf8ac
R13: ffffffff896f11a0 R14: ffff8880ba02a8c0 R15: ffff8880ba02f000
FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557d4ef9c160 CR3: 0000000094d1b000 CR4: 00000000003406f0
FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Reply all
Reply to author
Forward
0 new messages