kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 15483 Comm: syz-executor5 Not tainted 5.0.0-rc3 #35 kobject: 'input71' (00000000e0dc90e8): kobject_add_internal: parent: 'input', set: 'devices' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:fuse_retrieve fs/fuse/dev.c:1745 [inline] RIP: 0010:fuse_notify_retrieve fs/fuse/dev.c:1807 [inline] RIP: 0010:fuse_notify fs/fuse/dev.c:1840 [inline] RIP: 0010:fuse_dev_do_write+0x1e44/0x3780 fs/fuse/dev.c:1919 Code: 00 48 c1 e0 2a 80 3c 02 00 0f 85 d5 18 00 00 49 8b 9f 58 01 00 00 b8 ff ff 37 00 48 c1 e0 2a 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 39 RSP: 0018:ffff88804d8176d8 EFLAGS: 00010247 kobject: 'kvm' (00000000b0653d52): kobject_uevent_env RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000858e000 RDX: 0000000000000000 RSI: ffffffff828b9dfc RDI: 0000000000000004 RBP: ffff88804d817aa8 R08: ffff88808816a300 R09: ffffed100bd5b5be R10: ffffed100bd5b5bd R11: ffff88805eadadeb R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000030 R15: ffff88805eadadc8 FS: 00007f1d63a57700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 kobject: 'kvm' (00000000b0653d52): kobject_uevent_env CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2cdfe0b6c0 CR3: 00000000a0531000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'input71' (00000000e0dc90e8): kobject_uevent_env fuse_dev_write+0x191/0x240 fs/fuse/dev.c:2003 kobject: 'input71' (00000000e0dc90e8): fill_kobj_path: path = '/devices/virtual/input/input71' kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' call_write_iter include/linux/fs.h:1862 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x764/0xb40 fs/read_write.c:487 vfs_write+0x20c/0x580 fs/read_write.c:549 ksys_write+0x105/0x260 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458099 Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f1d63a56c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458099 RDX: 0000000000000030 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1d63a576d4 R13: 00000000004c6efc R14: 00000000004dc520 R15: 00000000ffffffff Modules linked in: kobject: 'loop4' (00000000f166bde4): kobject_uevent_env kobject: 'input71' (00000000e0dc90e8): fill_kobj_path: path = '/devices/virtual/input/input71' kobject: 'loop4' (00000000f166bde4): fill_kobj_path: path = '/devices/virtual/block/loop4' input: syz0 as /devices/virtual/input/input71 kobject: 'event4' (000000007a028bf9): kobject_add_internal: parent: 'input71', set: 'devices' kobject: 'loop0' (00000000dc38159a): kobject_uevent_env kobject: 'event4' (000000007a028bf9): kobject_uevent_env kobject: 'loop0' (00000000dc38159a): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'event4' (000000007a028bf9): fill_kobj_path: path = '/devices/virtual/input/input71/event4' kobject: 'kvm' (00000000b0653d52): kobject_uevent_env kobject: 'kvm' (00000000b0653d52): kobject_uevent_env kobject: 'kvm' (00000000b0653d52): kobject_uevent_env kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'event4' (000000007a028bf9): kobject_uevent_env kobject: 'loop2' (0000000063657ed7): kobject_uevent_env kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (0000000063657ed7): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'event4' (000000007a028bf9): fill_kobj_path: path = '/devices/virtual/input/input71/event4' kobject: 'kvm' (00000000b0653d52): kobject_uevent_env kobject: 'kvm' (00000000b0653d52): kobject_uevent_env kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000b0653d52): kobject_uevent_env ---[ end trace 7f5755bb31b9044e ]--- RIP: 0010:fuse_retrieve fs/fuse/dev.c:1745 [inline] RIP: 0010:fuse_notify_retrieve fs/fuse/dev.c:1807 [inline] RIP: 0010:fuse_notify fs/fuse/dev.c:1840 [inline] RIP: 0010:fuse_dev_do_write+0x1e44/0x3780 fs/fuse/dev.c:1919 kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' Code: 00 48 c1 e0 2a 80 3c 02 00 0f 85 d5 18 00 00 49 8b 9f 58 01 00 00 b8 ff ff 37 00 48 c1 e0 2a 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 39 kobject: '(null)' (00000000c7ede38e): kobject_cleanup, parent 000000007a028bf9 kobject: 'kvm' (00000000b0653d52): kobject_uevent_env kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: '(null)' (00000000c7ede38e): calling ktype release kobject: 'kvm' (00000000b0653d52): kobject_uevent_env RSP: 0018:ffff88804d8176d8 EFLAGS: 00010247 kobject: 'event4' (000000007a028bf9): kobject_cleanup, parent (null) kobject: 'loop0' (00000000dc38159a): kobject_uevent_env kobject: 'kvm' (00000000b0653d52): kobject_uevent_env kobject: '0:51' (00000000e2b53c8b): kobject_add_internal: parent: 'bdi', set: 'devices' kobject: 'loop0' (00000000dc38159a): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000b0653d52): kobject_uevent_env kobject: 'event4' (000000007a028bf9): calling ktype release kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'event4': free name kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access kobject: 'kvm' (00000000b0653d52): kobject_uevent_env RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000858e000 kobject: 'kvm' (00000000b0653d52): kobject_uevent_env kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'input71' (00000000e0dc90e8): kobject_uevent_env kobject: 'kvm' (00000000b0653d52): kobject_uevent_env kobject: '0:51' (00000000e2b53c8b): kobject_uevent_env kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'input71' (00000000e0dc90e8): fill_kobj_path: path = '/devices/virtual/input/input71' kobject: 'kvm' (00000000b0653d52): kobject_uevent_env kobject: 'loop4' (00000000f166bde4): kobject_uevent_env kobject: 'loop4' (00000000f166bde4): fill_kobj_path: path = '/devices/virtual/block/loop4' RDX: 0000000000000000 RSI: ffffffff828b9dfc RDI: 0000000000000004 kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' general protection fault: 0000 [#2] PREEMPT SMP KASAN CPU: 0 PID: 15518 Comm: syz-executor5 Tainted: G D 5.0.0-rc3 #35 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:fuse_retrieve fs/fuse/dev.c:1745 [inline] RIP: 0010:fuse_notify_retrieve fs/fuse/dev.c:1807 [inline] RIP: 0010:fuse_notify fs/fuse/dev.c:1840 [inline] RIP: 0010:fuse_dev_do_write+0x1e44/0x3780 fs/fuse/dev.c:1919 kobject: 'kvm' (00000000b0653d52): kobject_uevent_env Code: 00 48 c1 e0 2a 80 3c 02 00 0f 85 d5 18 00 00 49 8b 9f 58 01 00 00 b8 ff ff 37 00 48 c1 e0 2a 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 39 RSP: 0018:ffff88804fb3f6d8 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc900097f7000 RDX: 0000000000000000 RSI: ffffffff828b9dfc RDI: 0000000000000004 RBP: ffff88804fb3faa8 R08: ffff88809ed7e340 R09: ffffed101500e37f kobject: 'kvm' (00000000b0653d52): kobject_uevent_env R10: ffffed101500e37e R11: ffff8880a8071bf3 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000030 R15: ffff8880a8071bd0 FS: 00007f1d639b2700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2ce07dc000 CR3: 00000000a0531000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000b0653d52): kobject_uevent_env fuse_dev_write+0x191/0x240 fs/fuse/dev.c:2003 call_write_iter include/linux/fs.h:1862 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x764/0xb40 fs/read_write.c:487 vfs_write+0x20c/0x580 fs/read_write.c:549 ksys_write+0x105/0x260 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458099 Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f1d639b1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458099 RDX: 0000000000000030 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 000000000073c220 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1d639b26d4 R13: 00000000004c6efc R14: 00000000004dc520 R15: 00000000ffffffff Modules linked in: kobject: 'input71' (00000000e0dc90e8): kobject_cleanup, parent (null) kobject: 'kvm' (00000000b0653d52): kobject_uevent_env kobject: 'loop1' (000000009bfd01ca): kobject_uevent_env kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (000000009bfd01ca): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'input71' (00000000e0dc90e8): calling ktype release kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000b0653d52): kobject_uevent_env kobject: 'input71': free name kobject: 'kvm' (00000000b0653d52): kobject_uevent_env kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000b0653d52): fill_kobj_path: path = '/devices/virtual/misc/kvm' RBP: ffff88804d817aa8 R08: ffff88808816a300 R09: ffffed100bd5b5be kobject: 'loop3' (00000000358da544): kobject_uevent_env kobject: 'loop3' (00000000358da544): fill_kobj_path: path = '/devices/virtual/block/loop3' R10: ffffed100bd5b5bd R11: ffff88805eadadeb R12: 0000000000000000 kobject: '0:51' (00000000e2b53c8b): fill_kobj_path: path = '/devices/virtual/bdi/0:51' kobject: 'loop0' (00000000dc38159a): kobject_uevent_env kobject: 'loop0' (00000000dc38159a): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000f166bde4): kobject_uevent_env kobject: 'loop4' (00000000f166bde4): fill_kobj_path: path = '/devices/virtual/block/loop4' R13: 0000000000000000 R14: 0000000000000030 R15: ffff88805eadadc8 kobject: '0:51' (00000000e2b53c8b): kobject_uevent_env FS: 00007f1d63a57700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 kobject: 'loop2' (0000000063657ed7): kobject_uevent_env kobject: '0:51' (00000000e2b53c8b): fill_kobj_path: path = '/devices/virtual/bdi/0:51' kobject: 'loop2' (0000000063657ed7): fill_kobj_path: path = '/devices/virtual/block/loop2' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: '0:51' (00000000e2b53c8b): kobject_cleanup, parent (null) CR2: 000000000070a158 CR3: 00000000a0531000 CR4: 00000000001406e0 kobject: '0:51' (00000000e2b53c8b): calling ktype release kobject: '0:51': free name ---[ end trace 7f5755bb31b9044f ]--- RIP: 0010:fuse_retrieve fs/fuse/dev.c:1745 [inline] RIP: 0010:fuse_notify_retrieve fs/fuse/dev.c:1807 [inline] RIP: 0010:fuse_notify fs/fuse/dev.c:1840 [inline] RIP: 0010:fuse_dev_do_write+0x1e44/0x3780 fs/fuse/dev.c:1919 Code: 00 48 c1 e0 2a 80 3c 02 00 0f 85 d5 18 00 00 49 8b 9f 58 01 00 00 b8 ff ff 37 00 48 c1 e0 2a 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 39 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 RSP: 0018:ffff88804d8176d8 EFLAGS: 00010247