BUG: unable to handle page fault for address: ffffc9001a205000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD aa127067 P4D aa127067 PUD aa128067 PMD 189067 PTE 77000000770
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 13224 Comm: syz-executor.4 Not tainted 5.8.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kcov_fault_in_area kernel/kcov.c:540 [inline]
RIP: 0010:kcov_ioctl_locked kernel/kcov.c:605 [inline]
RIP: 0010:kcov_ioctl+0x10c/0x640 kernel/kcov.c:714
Code: 00 8b 55 4c 48 85 d2 49 89 d2 0f 84 53 04 00 00 48 8d 14 d5 f8 ff ff ff 48 89 f8 48 81 e2 00 f0 ff ff 48 8d 94 17 00 10 00 00 <48> 8b 30 48 05 00 10 00 00 48 39 d0 75 f2 8b 45 68 44 89 5d 48 48
RSP: 0018:ffffc90001c77ea0 EFLAGS: 00010087
RAX: ffffc9001a205000 RBX: 0000000000006364 RCX: ffff888045328000
RDX: ffffc9001a2e2000 RSI: ffffffff86315d30 RDI: ffffc9001a0e2000
RBP: ffff8880276b1e00 R08: 0000000000000001 R09: 0000000000000003
R10: 0000000000040000 R11: 0000000000000002 R12: ffff8880276b1e08
R13: 0000000000000000 R14: 0000000000000286 R15: 0000000000000000
FS: 00007f751c295700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9001a205000 CR3: 000000009d03b000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
vfs_ioctl fs/ioctl.c:48 [inline]
ksys_ioctl+0x11a/0x180 fs/ioctl.c:753
__do_sys_ioctl fs/ioctl.c:762 [inline]
__se_sys_ioctl fs/ioctl.c:760 [inline]
__x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:760
do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45c0a7
Code: Bad RIP value.
RSP: 002b:00007f751c294c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045c0a7
RDX: 0000000000000000 RSI: 0000000000006364 RDI: 00000000000000e9
RBP: 000000000078c028 R08: 00007f751c295700 R09: 00007f751c295700
R10: 00007f751c2959d0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000c9fb6f R14: 00007f751c2959c0 R15: 000000000078bfac
Modules linked in:
CR2: ffffc9001a205000
---[ end trace b8c7035fc223b44a ]---
RIP: 0010:kcov_fault_in_area kernel/kcov.c:540 [inline]
RIP: 0010:kcov_ioctl_locked kernel/kcov.c:605 [inline]
RIP: 0010:kcov_ioctl+0x10c/0x640 kernel/kcov.c:714
Code: 00 8b 55 4c 48 85 d2 49 89 d2 0f 84 53 04 00 00 48 8d 14 d5 f8 ff ff ff 48 89 f8 48 81 e2 00 f0 ff ff 48 8d 94 17 00 10 00 00 <48> 8b 30 48 05 00 10 00 00 48 39 d0 75 f2 8b 45 68 44 89 5d 48 48
RSP: 0018:ffffc90001c77ea0 EFLAGS: 00010087
RAX: ffffc9001a205000 RBX: 0000000000006364 RCX: ffff888045328000
RDX: ffffc9001a2e2000 RSI: ffffffff86315d30 RDI: ffffc9001a0e2000
RBP: ffff8880276b1e00 R08: 0000000000000001 R09: 0000000000000003
R10: 0000000000040000 R11: 0000000000000002 R12: ffff8880276b1e08
R13: 0000000000000000 R14: 0000000000000286 R15: 0000000000000000
FS: 00007f751c295700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9001a205000 CR3: 000000009d03b000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400