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: 18623 Comm: syz-executor.5 Not tainted 5.19.0-syzkaller-13930-g7ebfc85e2cd7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:__lock_acquire+0xd83/0x56d0 kernel/locking/lockdep.c:4923 Code: 9b 0e 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 e3 18 9b 0e e9 bd 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 4e 31 00 00 49 81 3e 60 34 51 8f 0f 84 4c f3 ff RSP: 0018:ffffc900147a7810 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: 1ffff920028f4f31 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1bbd0ea R11: 0000000000000000 R12: 0000000000000000 R13: ffff88803c2dd880 R14: 0000000000000088 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0400f9d0b0 CR3: 000000000bc8e000 CR4: 0000000000350ee0 Call Trace: lock_acquire kernel/locking/lockdep.c:5666 [inline] lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5631 __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:320 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xad5/0x29b0 kernel/exit.c:795 do_group_exit+0xd2/0x2f0 kernel/exit.c:925 get_signal+0x238c/0x2610 kernel/signal.c:2857 arch_do_signal_or_restart+0x82/0x2300 arch/x86/kernel/signal.c:869 exit_to_user_mode_loop kernel/entry/common.c:166 [inline] exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0400e89279 Code: Unable to access opcode bytes at RIP 0x7f0400e8924f. RSP: 002b:00007f0401fa6218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f0400f9c058 RCX: 00007f0400e89279 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f0400f9c058 RBP: 00007f0400f9c050 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0400f9c05c R13: 00007ffc06fa58ef R14: 00007f0401fa6300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xd83/0x56d0 kernel/locking/lockdep.c:4923 Code: 9b 0e 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 e3 18 9b 0e e9 bd 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 4e 31 00 00 49 81 3e 60 34 51 8f 0f 84 4c f3 ff RSP: 0018:ffffc900147a7810 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: 1ffff920028f4f31 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1bbd0ea R11: 0000000000000000 R12: 0000000000000000 R13: ffff88803c2dd880 R14: 0000000000000088 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0400f9d0b0 CR3: 000000000bc8e000 CR4: 0000000000350ee0 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 41 bf 01 00 00 00 mov $0x1,%r15d 6: 0f 86 c8 00 00 00 jbe 0xd4 c: 89 05 e3 18 9b 0e mov %eax,0xe9b18e3(%rip) # 0xe9b18f5 12: e9 bd 00 00 00 jmpq 0xd4 17: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1e: fc ff df 21: 4c 89 f2 mov %r14,%rdx 24: 48 c1 ea 03 shr $0x3,%rdx * 28: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2c: 0f 85 4e 31 00 00 jne 0x3180 32: 49 81 3e 60 34 51 8f cmpq $0xffffffff8f513460,(%r14) 39: 0f .byte 0xf 3a: 84 4c f3 ff test %cl,-0x1(%rbx,%rsi,8)