Hello,
syzbot found the following issue on:
HEAD commit: 63d1c2f0 ANDROID: mm: add generic __va_function and __pa_f..
git tree: android-5.4
console output:
https://syzkaller.appspot.com/x/log.txt?x=13a54173900000
kernel config:
https://syzkaller.appspot.com/x/.config?x=a189fc0e5a79868a
dashboard link:
https://syzkaller.appspot.com/bug?extid=e9c98bdf24a3cce55110
compiler: Android (6032204 based on r370808) clang version 10.0.1 (
https://android.googlesource.com/toolchain/llvm-project 6e765c10313d15c02ab29977a82938f66742c3a9)
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by:
syzbot+e9c98b...@syzkaller.appspotmail.com
BUG: unable to handle page fault for address: ffffffffa00f0def
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 4c0f067 P4D 4c0f067 PUD 4c10063 PMD 1d44d5067 PTE 0
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 11060 Comm: kworker/1:0 Not tainted 5.4.65-syzkaller-00175-g63d1c2f0b547 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: 0x0 (events)
RIP: 0010:0xffffffffa00f0def
Code: Bad RIP value.
RSP: 0018:ffff8881ce2dfbd8 EFLAGS: 00010046
RAX: 1ffff9200003cc06 RBX: ffff8881ce2dfc20 RCX: ffff8881d03e1f00
RDX: 0000000000000000 RSI: ffffc900001e6038 RDI: ffff8881ce2dfc20
RBP: ffff8881ce2dfcb0 R08: dffffc0000000000 R09: fffffbfff09b257d
R10: fffffbfff09b257d R11: 0000000000000000 R12: ffff8881ce2dfc20
R13: dffffc0000000000 R14: ffffc900001e6000 R15: 1ffff11039c5bf80
FS: 0000000000000000(0000) GS:ffff8881db900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffa00f0dc5 CR3: 000000019f63c005 CR4: 00000000001606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
trace_sched_switch include/trace/events/sched.h:138 [inline]
__schedule+0x599/0xe30 kernel/sched/core.c:4285
schedule+0x126/0x1d0 kernel/sched/core.c:4355
worker_thread+0xf54/0x1430 kernel/workqueue.c:2441
kthread+0x317/0x340 kernel/kthread.c:268
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352
Modules linked in:
CR2: ffffffffa00f0def
---[ end trace 765571e2ff456abf ]---
RIP: 0010:0xffffffffa00f0def
Code: Bad RIP value.
RSP: 0018:ffff8881ce2dfbd8 EFLAGS: 00010046
RAX: 1ffff9200003cc06 RBX: ffff8881ce2dfc20 RCX: ffff8881d03e1f00
RDX: 0000000000000000 RSI: ffffc900001e6038 RDI: ffff8881ce2dfc20
RBP: ffff8881ce2dfcb0 R08: dffffc0000000000 R09: fffffbfff09b257d
R10: fffffbfff09b257d R11: 0000000000000000 R12: ffff8881ce2dfc20
R13: dffffc0000000000 R14: ffffc900001e6000 R15: 1ffff11039c5bf80
FS: 0000000000000000(0000) GS:ffff8881db900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffa00f0dc5 CR3: 000000019f63c005 CR4: 00000000001606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
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