Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 54.595414][ T37] audit: type=1326 audit(1617685006.845:2): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=8375 comm="syz-executor343" exe="/root/syz-executor343781449" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4459e9 code=0x0 [ 54.617367][ T37] audit: type=1326 audit(1617685006.865:3): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=8383 comm="syz-executor343" exe="/root/syz-executor343781449" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4459e9 code=0x0 [ 54.617435][ T37] audit: type=1326 audit(1617685006.865:4): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=8384 comm="syz-executor343" exe="/root/syz-executor343781449" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4459e9 code=0x0 [ 54.622241][ T37] audit: type=1326 audit(1617685006.875:5): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=8382 comm="syz-executor343" exe="/root/syz-executor343781449" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4459e9 code=0x0 [ 54.623510][ T37] audit: type=1326 audit(1617685006.875:6): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=8385 comm="syz-executor343" exe="/root/syz-executor343781449" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4459e9 code=0x0 [ 54.654639][ T37] audit: type=1326 audit(1617685006.905:7): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=_ pid=8381 comm="syz-executor343" exe="/root/syz-executor343781449" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4459e9 code=0x0 [ 54.680938][ C0] ------------[ cut here ]------------ [ 54.680993][ C0] WARNING: CPU: 0 PID: 8386 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x2c1/0x320 [ 54.681041][ C0] Modules linked in: [ 54.681052][ C0] CPU: 0 PID: 8386 Comm: syz-executor343 Not tainted 5.12.0-rc6-syzkaller #0 [ 54.681186][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.681195][ C0] RIP: 0010:vkms_vblank_simulate+0x2c1/0x320 [ 54.681213][ C0] Code: 00 00 00 48 c7 c6 80 78 2b 8a 31 c0 e8 68 7b ef ff b8 01 00 00 00 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 8f 7a 0c fd <0f> 0b e9 e8 fd ff ff 89 d9 80 e1 07 38 c1 0f 8c 5c fe ff ff 48 89 [ 54.681225][ C0] RSP: 0018:ffffc90000007d58 EFLAGS: 00010046 [ 54.681239][ C0] RAX: ffffffff846c9e41 RBX: 0000000000000002 RCX: ffff888015269c40 [ 54.681248][ C0] RDX: 0000000000010000 RSI: 0000000000000002 RDI: 0000000000000001 [ 54.681256][ C0] RBP: ffff8880b9c26260 R08: ffffffff846c9c21 R09: fffffbfff1b6983e [ 54.681266][ C0] R10: fffffbfff1b6983e R11: 0000000000000000 R12: dffffc0000000000 [ 54.681275][ C0] R13: 1ffff110030c2bd2 R14: 0000000000fe4c00 R15: ffff888018614d30 [ 54.681287][ C0] FS: 00007f1368e85700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 54.681300][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.681311][ C0] CR2: 00007fa6711ca008 CR3: 000000001260b000 CR4: 00000000001506f0 [ 54.681325][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.681334][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.681342][ C0] Call Trace: [ 54.681348][ C0] [ 54.681354][ C0] ? rcu_read_lock_sched_held+0x41/0xb0 [ 54.681376][ C0] ? vkms_get_vblank_timestamp+0x210/0x210 [ 54.681393][ C0] __hrtimer_run_queues+0x4c9/0xa00 [ 54.681430][ C0] hrtimer_interrupt+0x3b3/0x1040 [ 54.681474][ C0] __sysvec_apic_timer_interrupt+0xf9/0x270 [ 54.681496][ C0] sysvec_apic_timer_interrupt+0x8c/0xb0 [ 54.681516][ C0] [ 54.681523][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 54.681541][ C0] RIP: 0010:console_unlock+0xaab/0xe00 [ 54.681558][ C0] Code: 84 5a f7 ff ff eb 29 e8 c3 66 18 00 e8 ae 72 f1 07 4d 85 f6 74 df 66 0f 1f 84 00 00 00 00 00 e8 ab 66 18 00 fb f6 44 24 0f 01 <0f> 84 2f f7 ff ff e8 9a 66 18 00 48 c7 c7 24 8f 70 8b be 1b 0a 00 [ 54.681568][ C0] RSP: 0018:ffffc9000169fce0 EFLAGS: 00000202 [ 54.681581][ C0] RAX: ffffffff8160b225 RBX: 0000000000000000 RCX: ffff888015269c40 [ 54.681590][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 54.681596][ C0] RBP: ffffc9000169fdf8 R08: ffffffff8160b1e2 R09: fffffbfff1f270b1 [ 54.681602][ C0] R10: fffffbfff1f270b1 R11: 0000000000000000 R12: dffffc0000000000 [ 54.681608][ C0] R13: 1ffffffff19f2111 R14: 0000000000000200 R15: 1ffffffff19f210a [ 54.681618][ C0] ? console_unlock+0xa62/0xe00 [ 54.681627][ C0] ? console_unlock+0xaa5/0xe00 [ 54.681652][ C0] ? fb_write+0x5c0/0x5c0 [ 54.681662][ C0] do_fb_ioctl+0x5ec/0x6e0 [ 54.681671][ C0] ? memset+0x1f/0x40 [ 54.681692][ C0] ? fb_write+0x5c0/0x5c0 [ 54.681699][ C0] __se_sys_ioctl+0xfb/0x170 [ 54.681712][ C0] do_syscall_64+0x2d/0x70 [ 54.681721][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 54.681730][ C0] RIP: 0033:0x4459e9 [ 54.681739][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.681747][ C0] RSP: 002b:00007f1368e85318 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.681757][ C0] RAX: ffffffffffffffda RBX: 00000000004ca408 RCX: 00000000004459e9 [ 54.681763][ C0] RDX: 0000000020000040 RSI: 0000000000004601 RDI: 0000000000000003 [ 54.681769][ C0] RBP: 00000000004ca400 R08: 0000000000000000 R09: 0000000000000000 [ 54.681774][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 3162662f7665642f [ 54.681779][ C0] R13: 00007fff9aad4cef R14: 00007f1368e85400 R15: 0000000000022000 [ 54.681795][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 54.681801][ C0] CPU: 0 PID: 8386 Comm: syz-executor343 Not tainted 5.12.0-rc6-syzkaller #0 [ 54.681810][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.681815][ C0] Call Trace: [ 54.681818][ C0] [ 54.681822][ C0] dump_stack+0x176/0x24e [ 54.681834][ C0] panic+0x291/0x800 [ 54.681848][ C0] ? __warn+0x13e/0x270 [ 54.681860][ C0] __warn+0x26a/0x270 [ 54.681869][ C0] ? vkms_vblank_simulate+0x2c1/0x320 [ 54.681881][ C0] ? vkms_vblank_simulate+0x2c1/0x320 [ 54.681890][ C0] report_bug+0x1b1/0x2e0 [ 54.681903][ C0] handle_bug+0x3d/0x70 [ 54.681912][ C0] exc_invalid_op+0x16/0x40 [ 54.681921][ C0] asm_exc_invalid_op+0x12/0x20 [ 54.681929][ C0] RIP: 0010:vkms_vblank_simulate+0x2c1/0x320 [ 54.681939][ C0] Code: 00 00 00 48 c7 c6 80 78 2b 8a 31 c0 e8 68 7b ef ff b8 01 00 00 00 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 8f 7a 0c fd <0f> 0b e9 e8 fd ff ff 89 d9 80 e1 07 38 c1 0f 8c 5c fe ff ff 48 89 [ 54.681946][ C0] RSP: 0018:ffffc90000007d58 EFLAGS: 00010046 [ 54.681954][ C0] RAX: ffffffff846c9e41 RBX: 0000000000000002 RCX: ffff888015269c40 [ 54.681960][ C0] RDX: 0000000000010000 RSI: 0000000000000002 RDI: 0000000000000001 [ 54.681965][ C0] RBP: ffff8880b9c26260 R08: ffffffff846c9c21 R09: fffffbfff1b6983e [ 54.681971][ C0] R10: fffffbfff1b6983e R11: 0000000000000000 R12: dffffc0000000000 [ 54.681977][ C0] R13: 1ffff110030c2bd2 R14: 0000000000fe4c00 R15: ffff888018614d30 [ 54.681986][ C0] ? vkms_vblank_simulate+0xa1/0x320 [ 54.681994][ C0] ? vkms_vblank_simulate+0x2c1/0x320 [ 54.682006][ C0] ? vkms_vblank_simulate+0x2c1/0x320 [ 54.682015][ C0] ? rcu_read_lock_sched_held+0x41/0xb0 [ 54.682025][ C0] ? vkms_get_vblank_timestamp+0x210/0x210 [ 54.682034][ C0] __hrtimer_run_queues+0x4c9/0xa00 [ 54.682053][ C0] hrtimer_interrupt+0x3b3/0x1040 [ 54.682085][ C0] __sysvec_apic_timer_interrupt+0xf9/0x270 [ 54.682095][ C0] sysvec_apic_timer_interrupt+0x8c/0xb0 [ 54.682105][ C0] [ 54.682109][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 54.682117][ C0] RIP: 0010:console_unlock+0xaab/0xe00 [ 54.682126][ C0] Code: 84 5a f7 ff ff eb 29 e8 c3 66 18 00 e8 ae 72 f1 07 4d 85 f6 74 df 66 0f 1f 84 00 00 00 00 00 e8 ab 66 18 00 fb f6 44 24 0f 01 <0f> 84 2f f7 ff ff e8 9a 66 18 00 48 c7 c7 24 8f 70 8b be 1b 0a 00 [ 54.682132][ C0] RSP: 0018:ffffc9000169fce0 EFLAGS: 00000202 [ 54.682139][ C0] RAX: ffffffff8160b225 RBX: 0000000000000000 RCX: ffff888015269c40 [ 54.682145][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 54.682150][ C0] RBP: ffffc9000169fdf8 R08: ffffffff8160b1e2 R09: fffffbfff1f270b1 [ 54.682156][ C0] R10: fffffbfff1f270b1 R11: 0000000000000000 R12: dffffc0000000000 [ 54.682162][ C0] R13: 1ffffffff19f2111 R14: 0000000000000200 R15: 1ffffffff19f210a [ 54.682171][ C0] ? console_unlock+0xa62/0xe00 [ 54.682179][ C0] ? console_unlock+0xaa5/0xe00 [ 54.682203][ C0] ? fb_write+0x5c0/0x5c0 [ 54.682211][ C0] do_fb_ioctl+0x5ec/0x6e0 [ 54.682220][ C0] ? memset+0x1f/0x40 [ 54.682237][ C0] ? fb_write+0x5c0/0x5c0 [ 54.682245][ C0] __se_sys_ioctl+0xfb/0x170 [ 54.682255][ C0] do_syscall_64+0x2d/0x70 [ 54.682264][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 54.682273][ C0] RIP: 0033:0x4459e9 [ 54.682279][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.682286][ C0] RSP: 002b:00007f1368e85318 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.682295][ C0] RAX: ffffffffffffffda RBX: 00000000004ca408 RCX: 00000000004459e9 [ 54.682300][ C0] RDX: 0000000020000040 RSI: 0000000000004601 RDI: 0000000000000003 [ 54.682306][ C0] RBP: 00000000004ca400 R08: 0000000000000000 R09: 0000000000000000 [ 54.682311][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 3162662f7665642f [ 54.682316][ C0] R13: 00007fff9aad4cef R14: 00007f1368e85400 R15: 0000000000022000 [ 54.683590][ C0] Kernel Offset: disabled