kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN CPU: 0 PID: 6049 Comm: syz-executor.2 Not tainted 5.4.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:dev_name include/linux/device.h:1342 [inline] RIP: 0010:__dev_printk+0x3a/0x203 drivers/base/core.c:3335 Code: 89 f5 53 e8 cf 92 cf fe 48 85 ed 0f 84 bc 01 00 00 e8 c1 92 cf fe 48 8d 7d 50 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <80> 3c 02 00 74 05 e8 92 d1 f6 fe 4c 8b 7d 50 4d 85 ff 75 27 e8 94 RSP: 0018:ffff8881ce4ff948 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffffed1039c9ff30 RCX: ffffffff838a3b7d RDX: 000000000000001e RSI: ffffffff826e896f RDI: 00000000000000f0 RBP: 00000000000000a0 R08: ffff8881cc3de000 R09: fffffbfff0e57cad R10: ffff8881ce4ffa78 R11: ffffffff872be567 R12: ffffffff85f26b60 R13: ffff8881ce4ff9a0 R14: ffff8881d5f94628 R15: ffffffff838a3b50 FS: 00007ffb28c44700(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 0000000006c21000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: _dev_info+0xd7/0x109 drivers/base/core.c:3381 close_rio.cold+0x1f/0x24 drivers/usb/misc/rio500.c:96 __fput+0x2d7/0x840 fs/file_table.c:280 task_work_run+0x13f/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x8c4/0x2c00 kernel/exit.c:817 do_group_exit+0x125/0x340 kernel/exit.c:921 get_signal+0x466/0x23d0 kernel/signal.c:2734 do_signal+0x88/0x14e0 arch/x86/kernel/signal.c:815 exit_to_usermode_loop+0x1a2/0x200 arch/x86/entry/common.c:159 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath arch/x86/entry/common.c:274 [inline] do_syscall_64+0x45f/0x580 arch/x86/entry/common.c:300 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459a59 Code: Bad RIP value. RSP: 002b:00007ffb28c43cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 0000000000459a59 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c R13: 00007ffed43faf8f R14: 00007ffb28c449c0 R15: 000000000075bf2c Modules linked in: ---[ end trace 6f6209bb8861f905 ]--- RIP: 0010:dev_name include/linux/device.h:1342 [inline] RIP: 0010:__dev_printk+0x3a/0x203 drivers/base/core.c:3335 Code: 89 f5 53 e8 cf 92 cf fe 48 85 ed 0f 84 bc 01 00 00 e8 c1 92 cf fe 48 8d 7d 50 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <80> 3c 02 00 74 05 e8 92 d1 f6 fe 4c 8b 7d 50 4d 85 ff 75 27 e8 94 RSP: 0018:ffff8881ce4ff948 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffffed1039c9ff30 RCX: ffffffff838a3b7d RDX: 000000000000001e RSI: ffffffff826e896f RDI: 00000000000000f0 RBP: 00000000000000a0 R08: ffff8881cc3de000 R09: fffffbfff0e57cad R10: ffff8881ce4ffa78 R11: ffffffff872be567 R12: ffffffff85f26b60 R13: ffff8881ce4ff9a0 R14: ffff8881d5f94628 R15: ffffffff838a3b50 FS: 00007ffb28c44700(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000459a2f CR3: 0000000006c21000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400