kasan: CONFIG_KASAN_INLINE enabled Unknown ioctl -1072150264 kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 25397 Comm: syz-executor3 Not tainted 5.0.0-rc5 #60 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop1' (0000000039486663): kobject_uevent_env 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+0x18f7/0x2540 fs/fuse/dev.c:1919 Code: 00 48 c1 e0 2a 80 3c 02 00 0f 85 45 09 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 07 RSP: 0018:ffff88805ff6f9a8 EFLAGS: 00010247 kobject: 'loop1' (0000000039486663): fill_kobj_path: path = '/devices/virtual/block/loop1' RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000c432000 RDX: 0000000000000000 RSI: ffffffff824d084b RDI: 0000000000000004 RBP: ffff88805ff6fb98 R08: ffff88804f4c0080 R09: ffffed1012a932c2 R10: ffffed1012a932c1 R11: ffff88809549960b R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000030 R15: ffff8880954995e8 kobject: 'loop2' (00000000a70657a6): kobject_uevent_env FS: 00007f4bb9938700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f00d8ce5310 CR3: 000000009ec76000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kobject: 'loop2' (00000000a70657a6): fill_kobj_path: path = '/devices/virtual/block/loop2' fuse_dev_write+0x158/0x1f0 fs/fuse/dev.c:2003 kobject: 'loop4' (00000000cae66d79): kobject_uevent_env call_write_iter include/linux/fs.h:1863 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x613/0x8e0 fs/read_write.c:487 kobject: 'loop4' (00000000cae66d79): fill_kobj_path: path = '/devices/virtual/block/loop4' vfs_write+0x20c/0x580 fs/read_write.c:549 ksys_write+0xea/0x1f0 fs/read_write.c:598 kobject: 'loop5' (00000000b3d1aca1): kobject_uevent_env __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+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457e39 kobject: 'loop5' (00000000b3d1aca1): fill_kobj_path: path = '/devices/virtual/block/loop5' Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f4bb9937c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39 RDX: 0000000000000030 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4bb99386d4 R13: 00000000004c6cfa R14: 00000000004dc428 R15: 00000000ffffffff Modules linked in: ---[ end trace 327cc79ee6fabd3f ]--- kobject: 'loop1' (0000000039486663): kobject_uevent_env 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+0x18f7/0x2540 fs/fuse/dev.c:1919 kobject: 'loop1' (0000000039486663): fill_kobj_path: path = '/devices/virtual/block/loop1' Code: 00 48 c1 e0 2a 80 3c 02 00 0f 85 45 09 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 07 RSP: 0018:ffff88805ff6f9a8 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000c432000 Unknown ioctl -1072150264 kobject: 'loop2' (00000000a70657a6): kobject_uevent_env RDX: 0000000000000000 RSI: ffffffff824d084b RDI: 0000000000000004 kobject: 'loop2' (00000000a70657a6): fill_kobj_path: path = '/devices/virtual/block/loop2' RBP: ffff88805ff6fb98 R08: ffff88804f4c0080 R09: ffffed1012a932c2 R10: ffffed1012a932c1 R11: ffff88809549960b R12: 0000000000000000 kobject: 'loop5' (00000000b3d1aca1): kobject_uevent_env R13: 0000000000000000 R14: 0000000000000030 R15: ffff8880954995e8 FS: 00007f4bb9938700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 kobject: 'loop5' (00000000b3d1aca1): fill_kobj_path: path = '/devices/virtual/block/loop5' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 000000009ec76000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400