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: 10316 Comm: syz-executor.0 Not tainted 5.19.0-syzkaller-13666-gffcf9c5700e4 #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: 49 09 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 63 ee 49 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 e0 b1 ca 89 0f 84 4c f3 ff RSP: 0018:ffffc9000f297ba8 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff92001e52fa4 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff11bd0ca R11: 0000000000000000 R12: 0000000000000000 R13: ffff888136f21c80 R14: 0000000000000088 R15: 0000000000000000 FS: 00005555561e9400(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555557164b38 CR3: 000000010ce9b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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 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+0x1f7/0x200 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: 0033:0x7fb407e61ebb 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:00007fffd5303ec0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fb407e61ebb RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000004 RBP: 00007fb407fc3980 R08: 0000000000000000 R09: 00007fb407fc6578 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000096212 R13: 00007fffd5303fc0 R14: 00007fb407fc2050 R15: 0000000000000032 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xd83/0x56d0 kernel/locking/lockdep.c:4923 Code: 49 09 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 63 ee 49 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 e0 b1 ca 89 0f 84 4c f3 ff RSP: 0018:ffffc9000f297ba8 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff92001e52fa4 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff11bd0ca R11: 0000000000000000 R12: 0000000000000000 R13: ffff888136f21c80 R14: 0000000000000088 R15: 0000000000000000 FS: 00005555561e9400(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555557164b38 CR3: 000000010ce9b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 49 09 41 bf or %rax,-0x41(%r9) 4: 01 00 add %eax,(%rax) 6: 00 00 add %al,(%rax) 8: 0f 86 c8 00 00 00 jbe 0xd6 e: 89 05 63 ee 49 09 mov %eax,0x949ee63(%rip) # 0x949ee77 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 e0 b1 ca 89 cmpq $0xffffffff89cab1e0,(%r14) 3b: 0f .byte 0xf 3c: 84 4c f3 ff test %cl,-0x1(%rbx,%rsi,8)