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: 4074 Comm: syz-executor.2 Not tainted 6.2.0-rc3-syzkaller-00064-gdd2f003e4e85 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:__lock_acquire+0xd83/0x56d0 kernel/locking/lockdep.c:4925 Code: 4c 09 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 83 09 4c 09 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 72 cd 89 0f 84 4c f3 ff RSP: 0018:ffffc900089b7808 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff92001136f31 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff11be0f2 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8881195ad400 R14: 0000000000000088 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e131000 CR3: 000000011dff0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1df/0x630 kernel/locking/lockdep.c:5633 __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+0xc9/0x4c0 drivers/hid/hidraw.c:352 __fput+0x27c/0xa90 fs/file_table.c:320 task_work_run+0x16b/0x270 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xaa0/0x28c0 kernel/exit.c:867 do_group_exit+0xd0/0x2a0 kernel/exit.c:1012 get_signal+0x21b3/0x2440 kernel/signal.c:2859 arch_do_signal_or_restart+0x75/0x5b0 arch/x86/kernel/signal.c:306 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x156/0x200 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:296 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f698fdb1df1 Code: Unable to access opcode bytes at 0x7f698fdb1dc7. RSP: 002b:00007ffe46df2c60 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: fffffffffffffdfc RBX: 00007f698feacf80 RCX: 00007f698fdb1df1 RDX: 00007ffe46df2ca0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f698feae980 R08: 0000000000000000 R09: 00007ffe46dfa080 R10: 0000000000000000 R11: 0000000000000293 R12: 00000000002bbbba R13: 00007ffe46df2db0 R14: 00007f698fead050 R15: 0000000000000bea Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xd83/0x56d0 kernel/locking/lockdep.c:4925 Code: 4c 09 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 83 09 4c 09 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 72 cd 89 0f 84 4c f3 ff RSP: 0018:ffffc900089b7808 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff92001136f31 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff11be0f2 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8881195ad400 R14: 0000000000000088 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e131000 CR3: 000000011dff0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 4c 09 41 bf or %r8,-0x41(%rcx) 4: 01 00 add %eax,(%rax) 6: 00 00 add %al,(%rax) 8: 0f 86 c8 00 00 00 jbe 0xd6 e: 89 05 83 09 4c 09 mov %eax,0x94c0983(%rip) # 0x94c0997 14: e9 bd 00 00 00 jmpq 0xd6 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 4c 89 f2 mov %r14,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 4e 31 00 00 jne 0x3182 34: 49 81 3e 60 72 cd 89 cmpq $0xffffffff89cd7260,(%r14) 3b: 0f .byte 0xf 3c: 84 4c f3 ff test %cl,-0x1(%rbx,%rsi,8)