binder: undelivered TRANSACTION_ERROR: 29201 EXT4-fs (sda1): re-mounted. Opts: dax, BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 #PF error: [INSTR] PGD 985da067 P4D 985da067 PUD 8ec06067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 26119 Comm: syz-executor0 Not tainted 5.0.0-rc2+ #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010: (null) Code: Bad RIP value. RSP: 0018:ffff888033ebf858 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffffff885ae5e0 RCX: 0000000000001000 RDX: 0000000000000000 RSI: ffff888094fa6af0 RDI: ffff888097886d40 RBP: ffff888033ebf9b8 R08: 0000000000000000 R09: ffff888033ebf910 R10: ffffed1015cc5b8f R11: ffff8880ae62dc7b R12: 0000000000001000 R13: ffff888033ebfc98 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007f6ee3325700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000000a38d8000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __generic_file_write_iter+0x25e/0x630 mm/filemap.c:3333 ext4_file_write_iter+0x37a/0x1410 fs/ext4/file.c:266 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: 0033:0x457ec9 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:00007f6ee3324c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 RDX: 0000000000001001 RSI: 0000000020002840 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6ee33256d4 R13: 00000000004c71a5 R14: 00000000004dca70 R15: 00000000ffffffff Modules linked in: CR2: 0000000000000000 kobject: 'loop1p2' (00000000c9449777): kobject_uevent_env kobject: 'loop5p4' (0000000035f81b99): kobject_uevent_env kobject: 'queues' (00000000bf006e89): kobject_uevent_env kobject: 'loop5p3' (00000000d9fb5453): kobject_cleanup, parent (null) kobject: 'loop2' (000000002b89b5a4): kobject_uevent_env kobject: 'loop1p2' (00000000c9449777): fill_kobj_path: path = '/devices/virtual/block/loop1/loop1p2' kobject: 'loop5p4' (0000000035f81b99): fill_kobj_path: path = '/devices/virtual/block/loop5/loop5p4' kobject: 'loop5p3' (00000000d9fb5453): calling ktype release kobject: 'loop5p3': free name kobject: 'loop1p3' (00000000c11c1279): kobject_add_internal: parent: 'loop1', set: 'devices' kobject: 'loop2' (000000002b89b5a4): fill_kobj_path: path = '/devices/virtual/block/loop2' loop5: p1 p2 p3 p4 < > kobject: 'loop1p3' (00000000c11c1279): kobject_uevent_env kobject: 'loop1p3' (00000000c11c1279): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (00000000ee40c037): kobject_uevent_env kobject: 'queues' (00000000bf006e89): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (0000000064671a1f): kobject_uevent_env kobject: 'holders' (000000000a390720): kobject_add_internal: parent: 'loop1p3', set: '' kobject: 'loop5p4' (0000000035f81b99): kobject_cleanup, parent (null) kobject: 'loop5p4' (0000000035f81b99): calling ktype release kobject: 'loop3' (0000000064671a1f): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000ee40c037): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5p4': free name kobject: 'loop1p3' (00000000c11c1279): kobject_uevent_env kobject: 'loop2' (000000002b89b5a4): kobject_uevent_env kobject: 'loop1p3' (00000000c11c1279): fill_kobj_path: path = '/devices/virtual/block/loop1/loop1p3' kobject: 'loop2' (000000002b89b5a4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000dc67232c): kobject_add_internal: parent: 'queues', set: 'queues' binder: 26125:26127 transaction failed 29201/-22, size 7638149360802594816-3777492788006859154 line 3035 kobject: 'loop1p4' (00000000b51061dd): kobject_add_internal: parent: 'loop1', set: 'devices' ---[ end trace 431686158dcf662f ]--- kobject: 'loop5p1' (00000000f8d378a0): kobject_add_internal: parent: 'loop5', set: 'devices' kobject: 'loop2' (000000002b89b5a4): kobject_uevent_env kobject: 'loop1p4' (00000000b51061dd): kobject_uevent_env kobject: 'rx-0' (00000000dc67232c): kobject_uevent_env RIP: 0010: (null) kobject: 'loop5p1' (00000000f8d378a0): kobject_uevent_env kobject: 'loop2' (000000002b89b5a4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1p4' (00000000b51061dd): kobject_uevent_env: uevent_suppress caused the event to drop! Code: Bad RIP value. kobject: 'rx-0' (00000000dc67232c): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/rx-0' RSP: 0018:ffff888033ebf858 EFLAGS: 00010246 kobject: 'loop5p1' (00000000f8d378a0): kobject_uevent_env: uevent_suppress caused the event to drop! RAX: 0000000000000000 RBX: ffffffff885ae5e0 RCX: 0000000000001000 kobject: 'holders' (0000000033bbf32b): kobject_add_internal: parent: 'loop1p4', set: '' RDX: 0000000000000000 RSI: ffff888094fa6af0 RDI: ffff888097886d40 kobject: 'tx-0' (00000000502343a9): kobject_add_internal: parent: 'queues', set: 'queues' RBP: ffff888033ebf9b8 R08: 0000000000000000 R09: ffff888033ebf910 kobject: 'loop1p4' (00000000b51061dd): kobject_uevent_env R10: ffffed1015cc5b8f R11: ffff8880ae62dc7b R12: 0000000000001000 kobject: 'holders' (000000008c5b33d8): kobject_add_internal: parent: 'loop5p1', set: '' R13: ffff888033ebfc98 R14: dffffc0000000000 R15: 0000000000000000 kobject: 'loop1p4' (00000000b51061dd): fill_kobj_path: path = '/devices/virtual/block/loop1/loop1p4' kobject: 'tx-0' (00000000502343a9): kobject_uevent_env kobject: 'loop5p1' (00000000f8d378a0): kobject_uevent_env FS: 00007f6ee3325700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 kobject: 'loop5p1' (00000000f8d378a0): fill_kobj_path: path = '/devices/virtual/block/loop5/loop5p1' kobject: 'tx-0' (00000000502343a9): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/tx-0' kobject: 'loop1' (00000000ecbf4540): kobject_uevent_env kobject: 'loop1' (00000000ecbf4540): fill_kobj_path: path = '/devices/virtual/block/loop1' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop5p2' (00000000369af909): kobject_add_internal: parent: 'loop5', set: 'devices' CR2: ffffffffffffffd6 CR3: 00000000a38d8000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'loop5p2' (00000000369af909): kobject_uevent_env DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400