general protection fault, probably for non-canonical address 0xdffffc0000000011: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000088-0x000000000000008f] CPU: 0 PID: 9229 Comm: syz-executor.1 Not tainted 6.3.0-rc2-syzkaller-00235-g8d3c682a5e3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:__lock_acquire+0xd80/0x5d40 kernel/locking/lockdep.c:4926 Code: 55 0f 41 be 01 00 00 00 0f 86 8e 00 00 00 89 05 36 c2 55 0f e9 83 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 c5 32 00 00 48 81 3b a0 16 11 90 0f 84 52 f3 ff RSP: 0018:ffffc9000b097810 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: 0000000000000088 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888028d257c0 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556203708 CR3: 000000007308d000 CR4: 0000000000350ef0 Call Trace: lock_acquire kernel/locking/lockdep.c:5669 [inline] lock_acquire+0x1af/0x520 kernel/locking/lockdep.c:5634 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3d/0x60 kernel/locking/spinlock.c:162 hidraw_release+0xcd/0x4c0 drivers/hid/hidraw.c:352 __fput+0x27c/0xa90 fs/file_table.c:321 task_work_run+0x16f/0x270 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xad3/0x2960 kernel/exit.c:869 do_group_exit+0xd4/0x2a0 kernel/exit.c:1019 get_signal+0x2315/0x25b0 kernel/signal.c:2859 arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0f6c28c0f9 Code: Unable to access opcode bytes at 0x7f0f6c28c0cf. RSP: 002b:00007f0f6cffa168 EFLAGS: 00000246 ORIG_RAX: 0000000000000124 RAX: 0000000000000006 RBX: 00007f0f6c3abf80 RCX: 00007f0f6c28c0f9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005 RBP: 00007f0f6c2e7b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdd72ddcf R14: 00007f0f6cffa300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xd80/0x5d40 kernel/locking/lockdep.c:4926 Code: 55 0f 41 be 01 00 00 00 0f 86 8e 00 00 00 89 05 36 c2 55 0f e9 83 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 c5 32 00 00 48 81 3b a0 16 11 90 0f 84 52 f3 ff RSP: 0018:ffffc9000b097810 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: 0000000000000088 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888028d257c0 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556203708 CR3: 000000007308d000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: 55 push %rbp 1: 0f 41 be 01 00 00 00 cmovno 0x1(%rsi),%edi 8: 0f 86 8e 00 00 00 jbe 0x9c e: 89 05 36 c2 55 0f mov %eax,0xf55c236(%rip) # 0xf55c24a 14: e9 83 00 00 00 jmpq 0x9c 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 89 da mov %rbx,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 c5 32 00 00 jne 0x32f9 34: 48 81 3b a0 16 11 90 cmpq $0xffffffff901116a0,(%rbx) 3b: 0f .byte 0xf 3c: 84 52 f3 test %dl,-0xd(%rdx) 3f: ff .byte 0xff