general protection fault, probably for non-canonical address 0xdffffc0000000011: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000088-0x000000000000008f] CPU: 1 PID: 6607 Comm: syz-executor.2 Not tainted 5.18.0-rc6-syzkaller-00009-gfeb9c5e19e91 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__lock_acquire+0xd85/0x56c0 kernel/locking/lockdep.c:4899 Code: 1e 0e 41 be 01 00 00 00 0f 86 c8 00 00 00 89 05 d1 7f 1e 0e e9 bd 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 15 31 00 00 48 81 3b 20 14 27 8f 0f 84 4f f3 ff RSP: 0018:ffffc9000a937bb0 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: 0000000000000088 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000088 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88801be21d80 R14: 0000000000000000 R15: 0000000000000001 FS: 0000555556904400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc7bfd980a0 CR3: 000000001993d000 CR4: 0000000000350ee0 Call Trace: lock_acquire kernel/locking/lockdep.c:5641 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 hidraw_release+0xca/0x370 drivers/hid/hidraw.c:352 __fput+0x277/0x9d0 fs/file_table.c:317 task_work_run+0xdd/0x1a0 kernel/task_work.c:164 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fcd3923bd2b Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 RSP: 002b:00007fff85906390 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fcd3923bd2b RDX: 00007fcd393a0450 RSI: ffffffffffffffff RDI: 0000000000000004 RBP: 00007fcd3939bf60 R08: 0000000000000000 R09: 00007fcd393a0458 R10: 0000000000000004 R11: 0000000000000293 R12: 00007fcd3939bf6c R13: 00007fcd393a0450 R14: 00007fcd3939bf60 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xd85/0x56c0 kernel/locking/lockdep.c:4899 Code: 1e 0e 41 be 01 00 00 00 0f 86 c8 00 00 00 89 05 d1 7f 1e 0e e9 bd 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 15 31 00 00 48 81 3b 20 14 27 8f 0f 84 4f f3 ff RSP: 0018:ffffc9000a937bb0 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: 0000000000000088 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000088 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88801be21d80 R14: 0000000000000000 R15: 0000000000000001 FS: 0000555556904400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc7bfd980a0 CR3: 000000001993d000 CR4: 0000000000350ee0 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 41 be 01 00 00 00 mov $0x1,%r14d 6: 0f 86 c8 00 00 00 jbe 0xd4 c: 89 05 d1 7f 1e 0e mov %eax,0xe1e7fd1(%rip) # 0xe1e7fe3 12: e9 bd 00 00 00 jmpq 0xd4 17: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1e: fc ff df 21: 48 89 da mov %rbx,%rdx 24: 48 c1 ea 03 shr $0x3,%rdx * 28: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2c: 0f 85 15 31 00 00 jne 0x3147 32: 48 81 3b 20 14 27 8f cmpq $0xffffffff8f271420,(%rbx) 39: 0f .byte 0xf 3a: 84 4f f3 test %cl,-0xd(%rdi) 3d: ff .byte 0xff