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: 15736 Comm: syz-executor272 Not tainted 5.19.0-rc3-syzkaller-00038-gca1fdab7fd27 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__lock_acquire+0x6a/0x1f80 kernel/locking/lockdep.c:4923 Code: ff df 8a 04 10 84 c0 0f 85 60 16 00 00 83 3d 30 ee 9b 0c 00 0f 84 10 15 00 00 83 3d 7f f4 36 0b 00 74 2c 4c 89 e8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 ef e8 28 bc 72 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90006dd79c8 EFLAGS: 00010006 RAX: 0000000000000011 RBX: 0000000000000000 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000088 RBP: ffff88807e813b00 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1c071de R11: 1ffffffff1c071dd R12: 0000000000000000 R13: 0000000000000088 R14: 0000000000000001 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f65cc6e6130 CR3: 000000007ec59000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5665 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162 hidraw_release+0xb9/0x4a0 drivers/hid/hidraw.c:352 __fput+0x3b9/0x820 fs/file_table.c:317 task_work_run+0x146/0x1c0 kernel/task_work.c:177 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x547/0x1ed0 kernel/exit.c:795 do_group_exit+0x23b/0x2f0 kernel/exit.c:925 __do_sys_exit_group kernel/exit.c:936 [inline] __se_sys_exit_group kernel/exit.c:934 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:934 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f65cc67bda9 Code: Unable to access opcode bytes at RIP 0x7f65cc67bd7f. RSP: 002b:00007ffc25d1b0f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f65cc6e8310 RCX: 00007f65cc67bda9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000140 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f65cc6e8310 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0x6a/0x1f80 kernel/locking/lockdep.c:4923 Code: ff df 8a 04 10 84 c0 0f 85 60 16 00 00 83 3d 30 ee 9b 0c 00 0f 84 10 15 00 00 83 3d 7f f4 36 0b 00 74 2c 4c 89 e8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 ef e8 28 bc 72 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90006dd79c8 EFLAGS: 00010006 RAX: 0000000000000011 RBX: 0000000000000000 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000088 RBP: ffff88807e813b00 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1c071de R11: 1ffffffff1c071dd R12: 0000000000000000 R13: 0000000000000088 R14: 0000000000000001 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f65cc6e6130 CR3: 000000007ec59000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: df 8a 04 10 84 c0 fisttps -0x3f7beffc(%rdx) 6: 0f 85 60 16 00 00 jne 0x166c c: 83 3d 30 ee 9b 0c 00 cmpl $0x0,0xc9bee30(%rip) # 0xc9bee43 13: 0f 84 10 15 00 00 je 0x1529 19: 83 3d 7f f4 36 0b 00 cmpl $0x0,0xb36f47f(%rip) # 0xb36f49f 20: 74 2c je 0x4e 22: 4c 89 e8 mov %r13,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) <-- trapping instruction 2d: 74 12 je 0x41 2f: 4c 89 ef mov %r13,%rdi 32: e8 28 bc 72 00 callq 0x72bc5f 37: 48 rex.W 38: ba 00 00 00 00 mov $0x0,%edx 3d: 00 fc add %bh,%ah