BUG: unable to handle page fault for address: 000000046cf38da0 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 10a7d0067 P4D 10a7d0067 PUD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4435 Comm: syz.4.1160 Tainted: G W 5.10.225-syzkaller-00513-g8d23314f588a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__raw_callee_save___kvm_vcpu_is_preempted+0x0/0x20 Code: 10 01 c0 be 03 00 00 00 e8 1d 44 3e 01 bf 21 10 01 c0 be 0e 00 00 00 e8 0e 44 3e 01 5d c3 cc cc cc cc cc cc cc cc cc cc cc cc <48> 8b 04 fd b0 46 dc 85 80 b8 50 70 02 00 00 0f 95 c0 c3 66 2e 0f RSP: 0018:ffffc90000b173f8 EFLAGS: 00010286 RAX: 1ffffffff0cd8f01 RBX: 000000009ce2e8de RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000009ce2e8de RBP: ffffc90000b17560 R08: dffffc0000000000 R09: ffffed1024255d09 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff842313a8 R13: ffff8881212ae840 R14: dffffc0000000000 R15: dffffc0000000000 FS: 00007f27e18b96c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000046cf38da0 CR3: 0000000111531000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mutex_lock_slowpath+0xe/0x10 kernel/locking/mutex.c:1379 mutex_lock+0xd6/0x110 kernel/locking/mutex.c:299 steam_input_open+0x91/0x1a0 drivers/hid/hid-steam.c:297 input_open_device+0x151/0x2a0 drivers/input/input.c:635 evdev_open_device drivers/input/evdev.c:400 [inline] evdev_open+0x3a5/0x5c0 drivers/input/evdev.c:487 chrdev_open+0x4f7/0x620 fs/char_dev.c:414 do_dentry_open+0x7c1/0x10d0 fs/open.c:819 vfs_open+0x73/0x80 fs/open.c:942 do_open fs/namei.c:3391 [inline] path_openat+0x2660/0x3000 fs/namei.c:3509 do_filp_open+0x21c/0x460 fs/namei.c:3536 do_sys_openat2+0x13f/0x710 fs/open.c:1217 do_sys_open fs/open.c:1233 [inline] __do_sys_openat fs/open.c:1249 [inline] __se_sys_openat fs/open.c:1244 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1244 do_syscall_64+0x34/0x70 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f27e2c3e890 Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 19 8f 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 6c 8f 02 00 8b 44 RSP: 002b:00007f27e18b8b70 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f27e2c3e890 RDX: 0000000000000000 RSI: 00007f27e18b8c10 RDI: 00000000ffffff9c RBP: 00007f27e18b8c10 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f27e2df7f80 R15: 00007ffcc992abd8 Modules linked in: CR2: 000000046cf38da0 ---[ end trace be506d4cf363e836 ]--- RIP: 0010:__raw_callee_save___kvm_vcpu_is_preempted+0x0/0x20 Code: 10 01 c0 be 03 00 00 00 e8 1d 44 3e 01 bf 21 10 01 c0 be 0e 00 00 00 e8 0e 44 3e 01 5d c3 cc cc cc cc cc cc cc cc cc cc cc cc <48> 8b 04 fd b0 46 dc 85 80 b8 50 70 02 00 00 0f 95 c0 c3 66 2e 0f RSP: 0018:ffffc90000b173f8 EFLAGS: 00010286 RAX: 1ffffffff0cd8f01 RBX: 000000009ce2e8de RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000009ce2e8de RBP: ffffc90000b17560 R08: dffffc0000000000 R09: ffffed1024255d09 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff842313a8 R13: ffff8881212ae840 R14: dffffc0000000000 R15: dffffc0000000000 FS: 00007f27e18b96c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000046cf38da0 CR3: 0000000111531000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 10 01 adc %al,(%rcx) 2: c0 be 03 00 00 00 e8 sarb $0xe8,0x3(%rsi) 9: 1d 44 3e 01 bf sbb $0xbf013e44,%eax e: 21 10 and %edx,(%rax) 10: 01 c0 add %eax,%eax 12: be 0e 00 00 00 mov $0xe,%esi 17: e8 0e 44 3e 01 call 0x13e442a 1c: 5d pop %rbp 1d: c3 ret 1e: cc int3 1f: cc int3 20: cc int3 21: cc int3 22: cc int3 23: cc int3 24: cc int3 25: cc int3 26: cc int3 27: cc int3 28: cc int3 29: cc int3 * 2a: 48 8b 04 fd b0 46 dc mov -0x7a23b950(,%rdi,8),%rax <-- trapping instruction 31: 85 32: 80 b8 50 70 02 00 00 cmpb $0x0,0x27050(%rax) 39: 0f 95 c0 setne %al 3c: c3 ret 3d: 66 data16 3e: 2e cs 3f: 0f .byte 0xf