traps: PANIC: double fault, error_code: 0x0 double fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 348 Comm: kworker/u4:6 Not tainted 5.8.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:read_cr2 arch/x86/include/asm/paravirt.h:125 [inline] RIP: 0010:exc_page_fault+0x14/0x14c0 arch/x86/mm/fault.c:1379 Code: f9 e8 00 1e ce f9 48 c7 c7 80 a4 48 88 e8 59 16 60 f9 cc cc cc cc 41 57 41 56 41 55 49 89 f5 41 54 55 48 89 fd 53 48 83 ec 48 37 d0 8e f9 48 c7 c0 98 b5 b4 89 48 ba 00 00 00 00 00 fc ff df RSP: 0018:ffffc8ffffffffb8 EFLAGS: 00010096 RAX: 0000000088000e87 RBX: 0000000000000000 RCX: ffffffff88000e87 RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffffc90000000038 RBP: ffffc90000000038 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc8ffffffffa8 CR3: 00000000a6a68000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:565 RIP: 0010:preempt_schedule_thunk+0x0/0x18 arch/x86/entry/thunk_64.S:40 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc900000000e0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffc900000003c0 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff83960b9b RDI: 0000000000000001 RBP: ffffffff810078f7 R08: ffffffff83acebd0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 000000000000000e R14: 0000000000000002 R15: 0000000000000000 search_module_extables+0xce/0x100 kernel/module.c:4422 search_exception_tables+0x42/0x50 kernel/extable.c:59 fixup_exception+0x4b/0xca arch/x86/mm/extable.c:161 no_context+0xe7/0x9f0 arch/x86/mm/fault.c:599 __bad_area_nosemaphore+0xa9/0x480 arch/x86/mm/fault.c:789 do_user_addr_fault arch/x86/mm/fault.c:1242 [inline] handle_page_fault arch/x86/mm/fault.c:1365 [inline] exc_page_fault+0x946/0x14c0 arch/x86/mm/fault.c:1418 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:565 RIP: 0010:preempt_schedule_thunk+0x0/0x18 arch/x86/entry/thunk_64.S:40 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc900000003e0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffc900000006c0 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff83960b9b RDI: 0000000000000001 RBP: ffffffff810078f7 R08: ffffffff83acebd0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 000000000000000e R14: 0000000000000002 R15: 0000000000000000 search_module_extables+0xce/0x100 kernel/module.c:4422 search_exception_tables+0x42/0x50 kernel/extable.c:59 fixup_exception+0x4b/0xca arch/x86/mm/extable.c:161 no_context+0xe7/0x9f0 arch/x86/mm/fault.c:599 __bad_area_nosemaphore+0xa9/0x480 arch/x86/mm/fault.c:789 do_user_addr_fault arch/x86/mm/fault.c:1242 [inline] handle_page_fault arch/x86/mm/fault.c:1365 [inline] exc_page_fault+0x946/0x14c0 arch/x86/mm/fault.c:1418 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:565 RIP: 0010:preempt_schedule_thunk+0x0/0x18 arch/x86/entry/thunk_64.S:40 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc900000006e0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffc900000009c0 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff83960b9b RDI: 0000000000000001 RBP: ffffffff810078f7 R08: ffffffff83acebd0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 000000000000000e R14: 0000000000000002 R15: 0000000000000000 search_module_extables+0xce/0x100 kernel/module.c:4422 search_exception_tables+0x42/0x50 kernel/extable.c:59 fixup_exception+0x4b/0xca arch/x86/mm/extable.c:161 no_context+0xe7/0x9f0 arch/x86/mm/fault.c:599 __bad_area_nosemaphore+0xa9/0x480 arch/x86/mm/fault.c:789 do_user_addr_fault arch/x86/mm/fault.c:1242 [inline] handle_page_fault arch/x86/mm/fault.c:1365 [inline] exc_page_fault+0x946/0x14c0 arch/x86/mm/fault.c:1418 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:565 RIP: 0010:preempt_schedule_thunk+0x0/0x18 arch/x86/entry/thunk_64.S:40 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc900000009e0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffc90000000cc0 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff83960b9b RDI: 0000000000000001 RBP: ffffffff810078f7 R08: ffffffff83acebd0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 000000000000000e R14: 0000000000000002 R15: 0000000000000000 search_module_extables+0xce/0x100 kernel/module.c:4422 search_exception_tables+0x42/0x50 kernel/extable.c:59 fixup_exception+0x4b/0xca arch/x86/mm/extable.c:161 no_context+0xe7/0x9f0 arch/x86/mm/fault.c:599 __bad_area_nosemaphore+0xa9/0x480 arch/x86/mm/fault.c:789 do_user_addr_fault arch/x86/mm/fault.c:1242 [inline] handle_page_fault arch/x86/mm/fault.c:1365 [inline] exc_page_fault+0x946/0x14c0 arch/x86/mm/fault.c:1418 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:565 RIP: 0010:preempt_schedule_thunk+0x0/0x18 arch/x86/entry/thunk_64.S:40 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc90000000ce0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffc90000000fc0 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff83960b9b RDI: 0000000000000001 RBP: ffffffff810078f7 R08: ffffffff83acebd0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 000000000000000e R14: 0000000000000002 R15: 0000000000000000 search_module_extables+0xce/0x100 kernel/module.c:4422 search_exception_tables+0x42/0x50 kernel/extable.c:59 fixup_exception+0x4b/0xca arch/x86/mm/extable.c:161 no_context+0xe7/0x9f0 arch/x86/mm/fault.c:599 __bad_area_nosemaphore+0xa9/0x480 arch/x86/mm/fault.c:789 do_user_addr_fault arch/x86/mm/fault.c:1242 [inline] handle_page_fault arch/x86/mm/fault.c:1365 [inline] exc_page_fault+0x946/0x14c0 arch/x86/mm/fault.c:1418 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:565 RIP: 0010:preempt_schedule_thunk+0x0/0x18 arch/x86/entry/thunk_64.S:40 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc90000000fe0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffc900000012c0 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff83960b9b RDI: 0000000000000001 RBP: ffffffff810078f7 R08: ffffffff83acebd0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 000000000000000e R14: 0000000000000002 R15: 0000000000000000 search_module_extables+0xce/0x100 kernel/module.c:4422 search_exception_tables+0x42/0x50 kernel/extable.c:59 fixup_exception+0x4b/0xca arch/x86/mm/extable.c:161 no_context+0xe7/0x9f0 arch/x86/mm/fault.c:599 __bad_area_nosemaphore+0xa9/0x480 arch/x86/mm/fault.c:789 do_user_addr_fault arch/x86/mm/fault.c:1242 [inline] handle_page_fault arch/x86/mm/fault.c:1365 [inline] exc_page_fault+0x946/0x14c0 arch/x86/mm/fault.c:1418 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:565 RIP: 0010:preempt_schedule_thunk+0x0/0x18 arch/x86/entry/thunk_64.S:40 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc900000012e0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffc900000015c0 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff83960b9b RDI: 0000000000000001 RBP: ffffffff810078f7 R08: ffffffff83acebd0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 000000000000000e R14: 0000000000000002 R15: 0000000000000000 search_module_extables+0xce/0x100 kernel/module.c:4422 search_exception_tables+0x42/0x50 kernel/extable.c:59 fixup_exception+0x4b/0xca arch/x86/mm/extable.c:161 no_context+0xe7/0x9f0 arch/x86/mm/fault.c:599 Lost 894 message(s)! ---[ end trace 33ba18942a0d2d60 ]--- RIP: 0010:read_cr2 arch/x86/include/asm/paravirt.h:125 [inline] RIP: 0010:exc_page_fault+0x14/0x14c0 arch/x86/mm/fault.c:1379 Code: f9 e8 00 1e ce f9 48 c7 c7 80 a4 48 88 e8 59 16 60 f9 cc cc cc cc 41 57 41 56 41 55 49 89 f5 41 54 55 48 89 fd 53 48 83 ec 48 37 d0 8e f9 48 c7 c0 98 b5 b4 89 48 ba 00 00 00 00 00 fc ff df RSP: 0018:ffffc8ffffffffb8 EFLAGS: 00010096 RAX: 0000000088000e87 RBX: 0000000000000000 RCX: ffffffff88000e87 RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffffc90000000038 RBP: ffffc90000000038 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc8ffffffffa8 CR3: 00000000a6a68000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400