general protection fault, probably for non-canonical address 0x1ffff11015d26b1a: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 14868 Comm: syz-executor.3 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__switch_to_asm+0x0/0x40 arch/x86/entry/entry_64.S:228 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:ffffc90003f6f778 EFLAGS: 00010046 RAX: 1ffff11015d26b1a RBX: ffff8880ae9358c0 RCX: ffff888089830340 RDX: ffff888089830c08 RSI: ffff8880939ca300 RDI: ffff888089830340 RBP: ffff888051c46400 R08: dffffc0000000000 R09: fffffbfff12da576 R10: fffffbfff12da576 R11: 0000000000000000 R12: ffff888089830770 R13: dffffc0000000000 R14: 1ffff110113060ee R15: ffff8880939ca300 FS: 00007f2a880bc700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000b90004 CR3: 00000000a0618000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: context_switch kernel/sched/core.c:3453 [inline] __schedule+0x7d3/0xc40 kernel/sched/core.c:4178 preempt_schedule_irq+0xca/0x150 kernel/sched/core.c:4436 idtentry_exit_cond_resched arch/x86/entry/common.c:621 [inline] idtentry_exit_cond_rcu+0xcb/0xe0 arch/x86/entry/common.c:668 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596 RIP: 0010:check_kcov_mode kernel/kcov.c:165 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x2d/0x60 kernel/kcov.c:197 Code: 24 65 48 8b 0c 25 00 fe 01 00 65 8b 15 e8 81 8d 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 04 14 00 00 00 74 2c <8b> 91 e0 13 00 00 83 fa 02 75 21 48 8b 91 e8 13 00 00 48 8b 32 48 RSP: 0018:ffffc90003f6f900 EFLAGS: 00000246 RAX: ffffffff83d21540 RBX: ffff8880010f03c0 RCX: ffff888089830340 RDX: 0000000080000000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 0000000000000008 R08: ffffffff83d21506 R09: 0000000000000040 R10: 0000000000000002 R11: ffff888089830340 R12: 0000000000000000 R13: ffffffff00000000 R14: 0000000000000000 R15: ffffffffffffffff bitfill_aligned+0x160/0x1f0 drivers/video/fbdev/core/cfbfillrect.c:63 cfb_fillrect+0x57b/0x790 drivers/video/fbdev/core/cfbfillrect.c:327 bit_clear_margins+0x37b/0x620 drivers/video/fbdev/core/bitblit.c:232 fbcon_clear_margins drivers/video/fbdev/core/fbcon.c:1381 [inline] fbcon_switch+0x1448/0x1e40 drivers/video/fbdev/core/fbcon.c:2363 redraw_screen+0x4fc/0x16f0 drivers/tty/vt/vt.c:1015 fbcon_modechanged+0x8d5/0xd90 drivers/video/fbdev/core/fbcon.c:3001 fb_set_var+0x825/0xcc0 drivers/video/fbdev/core/fbmem.c:1056 do_fb_ioctl+0x502/0x6f0 drivers/video/fbdev/core/fbmem.c:1109 vfs_ioctl fs/ioctl.c:48 [inline] ksys_ioctl fs/ioctl.c:753 [inline] __do_sys_ioctl fs/ioctl.c:762 [inline] __se_sys_ioctl+0xf9/0x160 fs/ioctl.c:760 do_syscall_64+0x73/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: unable to handle page fault for address: 0000000040000002 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD a3397067 P4D a3397067 PUD 0 Oops: 0002 [#2] PREEMPT SMP KASAN CPU: 1 PID: 14868 Comm: syz-executor.3 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:in_gate_area_no_mm+0x0/0x50 arch/x86/entry/vsyscall/vsyscall_64.c:343 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:ffffc90003f6eef0 EFLAGS: 00010003 RAX: 0000000040000002 RBX: 000000000045cb29 RCX: ffff888089830340 RDX: ffff888089830340 RSI: ffffffff8c226000 RDI: 000000000045cb29 RBP: ffffffff81000000 R08: ffffffff816b452c R09: ffffffff83bd41be R10: 0000000000000002 R11: ffff888089830340 R12: ffffc90003f6ef58 R13: ffffc90003f6efd0 R14: ffffc90003f6ef60 R15: ffffffff8c226000 FS: 00007f2a880bc700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000040000002 CR3: 00000000a0618000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_kernel include/linux/kallsyms.h:43 [inline] is_ksym_addr include/linux/kallsyms.h:49 [inline] kallsyms_lookup+0xa5/0x540 kernel/kallsyms.c:290 __sprint_symbol+0x51/0x1b0 kernel/kallsyms.c:363 symbol_string+0xb3/0x210 lib/vsprintf.c:969 BUG: unable to handle page fault for address: 0000000040000002 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD a3397067 P4D a3397067 PUD 0 Oops: 0002 [#3] PREEMPT SMP KASAN CPU: 1 PID: 14868 Comm: syz-executor.3 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:in_gate_area_no_mm+0x0/0x50 arch/x86/entry/vsyscall/vsyscall_64.c:343 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:ffffc90003f6e800 EFLAGS: 00010087 RAX: 0000000040000002 RBX: ffffffff80ffffff RCX: ffff888089830340 RDX: ffff888089830340 RSI: ffffffff8c226000 RDI: ffffffff80ffffff RBP: ffffffff81000000 R08: ffffffff816b452c R09: ffffffff83bd41be R10: 0000000000000002 R11: ffff888089830340 R12: ffffc90003f6e868 R13: ffffc90003f6e8e0 R14: ffffc90003f6e870 R15: ffffffff8c226000 FS: 00007f2a880bc700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000040000002 CR3: 00000000a0618000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_kernel include/linux/kallsyms.h:43 [inline] is_ksym_addr include/linux/kallsyms.h:49 [inline] kallsyms_lookup+0xa5/0x540 kernel/kallsyms.c:290 BUG: unable to handle page fault for address: 0000000040000002 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD a3397067 P4D a3397067 PUD 0 Oops: 0002 [#4] PREEMPT SMP KASAN CPU: 1 PID: 14868 Comm: syz-executor.3 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:in_gate_area_no_mm+0x0/0x50 arch/x86/entry/vsyscall/vsyscall_64.c:343 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:ffffc90003f6e110 EFLAGS: 00010087 RAX: 0000000040000002 RBX: ffffffff80ffffff RCX: ffff888089830340 RDX: ffff888089830340 RSI: ffffffff8c226000 RDI: ffffffff80ffffff RBP: ffffffff81000000 R08: ffffffff816b452c R09: ffffffff83bd41be R10: 0000000000000002 R11: ffff888089830340 R12: ffffc90003f6e178 R13: ffffc90003f6e1f0 R14: ffffc90003f6e180 R15: ffffffff8c226000 FS: 00007f2a880bc700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000040000002 CR3: 00000000a0618000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_kernel include/linux/kallsyms.h:43 [inline] is_ksym_addr include/linux/kallsyms.h:49 [inline] kallsyms_lookup+0xa5/0x540 kernel/kallsyms.c:290 BUG: unable to handle page fault for address: 0000000040000002 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD a3397067 P4D a3397067 PUD 0 Oops: 0002 [#5] PREEMPT SMP KASAN CPU: 1 PID: 14868 Comm: syz-executor.3 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:in_gate_area_no_mm+0x0/0x50 arch/x86/entry/vsyscall/vsyscall_64.c:343 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:ffffc90003f6da20 EFLAGS: 00010087 RAX: 0000000040000002 RBX: ffffffff80ffffff RCX: ffff888089830340 RDX: ffff888089830340 RSI: ffffffff8c226000 RDI: ffffffff80ffffff RBP: ffffffff81000000 R08: ffffffff816b452c R09: ffffffff83bd41be R10: 0000000000000002 R11: ffff888089830340 R12: ffffc90003f6da88 R13: ffffc90003f6db00 R14: ffffc90003f6da90 R15: ffffffff8c226000 FS: 00007f2a880bc700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000040000002 CR3: 00000000a0618000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_kernel include/linux/kallsyms.h:43 [inline] is_ksym_addr include/linux/kallsyms.h:49 [inline] kallsyms_lookup+0xa5/0x540 kernel/kallsyms.c:290 BUG: unable to handle page fault for address: 0000000040000002 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD a3397067 P4D a3397067 PUD 0 Oops: 0002 [#6] PREEMPT SMP KASAN CPU: 1 PID: 14868 Comm: syz-executor.3 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:in_gate_area_no_mm+0x0/0x50 arch/x86/entry/vsyscall/vsyscall_64.c:343 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:ffffc90003f6d330 EFLAGS: 00010087 RAX: 0000000040000002 RBX: ffffffff80ffffff RCX: ffff888089830340 RDX: ffff888089830340 RSI: ffffffff8c226000 RDI: ffffffff80ffffff RBP: ffffffff81000000 R08: ffffffff816b452c R09: ffffffff83bd41be R10: 0000000000000002 R11: ffff888089830340 R12: ffffc90003f6d398 R13: ffffc90003f6d410 R14: ffffc90003f6d3a0 R15: ffffffff8c226000 FS: 00007f2a880bc700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000040000002 CR3: 00000000a0618000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_kernel include/linux/kallsyms.h:43 [inline] is_ksym_addr include/linux/kallsyms.h:49 [inline] kallsyms_lookup+0xa5/0x540 kernel/kallsyms.c:290 BUG: unable to handle page fault for address: 0000000040000002 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD a3397067 P4D a3397067 PUD 0 Oops: 0002 [#7] PREEMPT SMP KASAN CPU: 1 PID: 14868 Comm: syz-executor.3 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:in_gate_area_no_mm+0x0/0x50 arch/x86/entry/vsyscall/vsyscall_64.c:343 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:ffffc90003f6cc40 EFLAGS: 00010087 RAX: 0000000040000002 RBX: ffffffff80ffffff RCX: ffff888089830340 RDX: ffff888089830340 RSI: ffffffff8c226000 RDI: ffffffff80ffffff RBP: ffffffff81000000 R08: ffffffff816b452c R09: ffffffff83bd41be R10: 0000000000000002 R11: ffff888089830340 R12: ffffc90003f6cca8 R13: ffffc90003f6cd20 R14: ffffc90003f6ccb0 R15: ffffffff8c226000 FS: 00007f2a880bc700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 00 Lost 284 message(s)!