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: 1 PID: 6027 Comm: syz-executor.5 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:ffff8881ca7df948 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffffed10394fbf30 RCX: ffffffff838a3b7d RDX: 000000000000001e RSI: ffffffff826e896f RDI: 00000000000000f0 RBP: 00000000000000a0 R08: ffff8881d13d1800 R09: fffffbfff0e57cad R10: ffff8881ca7dfa78 R11: ffffffff872be567 R12: ffffffff85f26b60 R13: ffff8881ca7df9a0 R14: ffff8881d96ccb48 R15: ffffffff838a3b50 FS: 0000000001aa2940(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2220719000 CR3: 00000001b007c000 CR4: 00000000001406e0 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: 0033:0x457f21 Code: 75 14 b8 23 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 24 d3 fb ff c3 48 83 ec 08 e8 ea 46 00 00 48 89 04 24 b8 23 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 33 47 00 00 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffc7dff0270 EFLAGS: 00000293 ORIG_RAX: 0000000000000023 RAX: 0000000000000000 RBX: 0000000000039336 RCX: 0000000000457f21 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc7dff0280 RBP: 0000000000000001 R08: 00000000043b31a9 R09: 00000000043b31ad R10: 00007ffc7dff0370 R11: 0000000000000293 R12: 000000000075bf20 R13: 000000000075c9a0 R14: 0000000000760210 R15: 000000000075bfd4 Modules linked in: ---[ end trace 6c4390caf168a518 ]--- 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:ffff8881ca7df948 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffffed10394fbf30 RCX: ffffffff838a3b7d RDX: 000000000000001e RSI: ffffffff826e896f RDI: 00000000000000f0 RBP: 00000000000000a0 R08: ffff8881d13d1800 R09: fffffbfff0e57cad R10: ffff8881ca7dfa78 R11: ffffffff872be567 R12: ffffffff85f26b60 R13: ffff8881ca7df9a0 R14: ffff8881d96ccb48 R15: ffffffff838a3b50 FS: 0000000001aa2940(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2220719000 CR3: 00000001b007c000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400