binder: 10486:10487 ioctl c0306201 20000280 returned -11 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: 0 PID: 10483 Comm: syz-executor2 Not tainted 4.20.0-rc1-next-20181107+ #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:locks_remove_flock+0x216/0x350 fs/locks.c:2567 Code: 00 0f 85 3a 01 00 00 48 8b 5b 98 48 85 db 74 3a e8 1f 41 92 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 17 01 00 00 48 8b 5b 08 48 85 db 74 0d e8 f2 40 kasan: CONFIG_KASAN_INLINE enabled RSP: 0018:ffff88018c677880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff88018c677a60 R08: ffff88018f8081c0 R09: ffffed003b5e5b67 R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801d8fe0a00 R13: ffff88018c6778f8 R14: 1ffff100318cef13 R15: dffffc0000000000 FS: 0000000000e18940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kasan: GPF could be caused by NULL-ptr deref or user memory access CR2: 0000000000000000 CR3: 00000001d859c000 CR4: 00000000001426f0 Call Trace: locks_remove_file+0x148/0x5c0 fs/locks.c:2607 __fput+0x2f0/0xa70 fs/file_table.c:271 ____fput+0x15/0x20 fs/file_table.c:312 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411021 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007fff45142ec0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000411021 RDX: 0000000000000000 RSI: 0000000000730f28 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 00007fff45142df0 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 000000000000007d R15: 0000000000000002 Modules linked in: general protection fault: 0000 [#2] PREEMPT SMP KASAN CPU: 1 PID: 3589 Comm: udevd Tainted: G D 4.20.0-rc1-next-20181107+ #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:locks_remove_flock+0x216/0x350 fs/locks.c:2567 Code: 00 0f 85 3a 01 00 00 48 8b 5b 98 48 85 db 74 3a e8 1f 41 92 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 17 01 00 00 48 8b 5b 08 48 85 db 74 0d e8 f2 40 kobject: 'loop0' (0000000042902122): kobject_uevent_env RSP: 0018:ffff8801c18b7880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff8801c18b7a60 R08: ffff8801c18ac5c0 R09: ffffed0037eb4a00 R10: ffffed0037eb4a00 R11: ffff8801bf5a5003 R12: ffff8801cd871cc0 R13: ffff8801c18b78f8 R14: 1ffff10038316f13 R15: dffffc0000000000 FS: 00007fe61f51c7a0(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 kasan: CONFIG_KASAN_INLINE enabled CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31b28000 CR3: 00000001c1ff6000 CR4: 00000000001426e0 Call Trace: kobject: 'loop0' (0000000042902122): fill_kobj_path: path = '/devices/virtual/block/loop0' kasan: GPF could be caused by NULL-ptr deref or user memory access kasan: CONFIG_KASAN_INLINE enabled locks_remove_file+0x148/0x5c0 fs/locks.c:2607 kasan: GPF could be caused by NULL-ptr deref or user memory access __fput+0x2f0/0xa70 fs/file_table.c:271 ____fput+0x15/0x20 fs/file_table.c:312 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe61ec242b0 Code: 40 75 0b 31 c0 48 83 c4 08 e9 0c ff ff ff 48 8d 3d c5 32 08 00 e8 c0 07 02 00 83 3d 45 a3 2b 00 00 75 10 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ce 8a 01 00 48 89 04 24 RSP: 002b:00007fff628fc698 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 000000000239c250 RCX: 00007fe61ec242b0 RDX: 00007fff628ff8f0 RSI: 0000000000000002 RDI: 0000000000000007 RBP: 0000000000625500 R08: 00007fff629f20b0 R09: 00007fff629f2080 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff628fc770 R13: 0000000000000001 R14: 00007fff628fc704 R15: 000000000239c250 Modules linked in: general protection fault: 0000 [#3] PREEMPT SMP KASAN CPU: 0 PID: 10451 Comm: syz-executor5 Tainted: G D 4.20.0-rc1-next-20181107+ #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kasan: CONFIG_KASAN_INLINE enabled RIP: 0010:locks_remove_flock+0x216/0x350 fs/locks.c:2567 Code: 00 0f 85 3a 01 00 00 48 8b 5b 98 48 85 db 74 3a e8 1f 41 92 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 17 01 00 00 48 8b 5b 08 48 85 db 74 0d e8 f2 40 RSP: 0018:ffff88018ca57880 EFLAGS: 00010202 kasan: GPF could be caused by NULL-ptr deref or user memory access RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff88018ca57a60 R08: ffff8801b7be0700 R09: ffffed0037eb4a00 R10: ffffed0037eb4a00 R11: ffff8801bf5a5003 R12: ffff8801c7ec4540 R13: ffff88018ca578f8 R14: 1ffff1003194af13 R15: dffffc0000000000 FS: 00000000011f5940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000001b8698000 CR4: 00000000001426f0 Call Trace: locks_remove_file+0x148/0x5c0 fs/locks.c:2607 __fput+0x2f0/0xa70 fs/file_table.c:271 ____fput+0x15/0x20 fs/file_table.c:312 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411021 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffeb2854fc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411021 RDX: 0000000000000000 RSI: ffffffff83a6a455 RDI: 0000000000000004 RBP: 0000000000000000 R08: ffffffff81027e8f R09: 00000000e36ab024 R10: 00007ffeb2854ef0 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000077 R15: 0000000000000005 Modules linked in: general protection fault: 0000 [#4] PREEMPT SMP KASAN CPU: 1 PID: 10472 Comm: syz-executor1 Tainted: G D 4.20.0-rc1-next-20181107+ #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:locks_remove_flock+0x216/0x350 fs/locks.c:2567 Code: 00 0f 85 3a 01 00 00 48 8b 5b 98 48 85 db 74 3a e8 1f 41 92 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 17 01 00 00 48 8b 5b 08 48 85 db 74 0d e8 f2 40 RSP: 0018:ffff88018e147880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff88018e147a60 R08: ffff8801d82703c0 R09: ffffed0037eb4a00 R10: ffffed0037eb4a00 R11: ffff8801bf5a5003 R12: ffff8801d2e3b580 R13: ffff88018e1478f8 R14: 1ffff10031c28f13 R15: dffffc0000000000 FS: 0000000001424940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31b2a000 CR3: 00000001c491b000 CR4: 00000000001426e0 Call Trace: locks_remove_file+0x148/0x5c0 fs/locks.c:2607 __fput+0x2f0/0xa70 fs/file_table.c:271 ____fput+0x15/0x20 fs/file_table.c:312 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411021 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffc68d61b00 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000411021 RDX: 0000000000000000 RSI: ffffffff87c9d5c1 RDI: 0000000000000006 RBP: 0000000000000000 R08: ffffffff812e4547 R09: 00000000b6447e4a R10: 00007ffc68d61a30 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000084 R15: 0000000000000001 Modules linked in: general protection fault: 0000 [#5] PREEMPT SMP KASAN CPU: 0 PID: 5690 Comm: udevd Tainted: G D 4.20.0-rc1-next-20181107+ #107 ---[ end trace 54752dc1eaddc5b9 ]--- Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:locks_remove_flock+0x216/0x350 fs/locks.c:2567 Code: 00 0f 85 3a 01 00 00 48 8b 5b 98 48 85 db 74 3a e8 1f 41 92 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 17 01 00 00 48 8b 5b 08 48 85 db 74 0d e8 f2 40 RSP: 0018:ffff8801baa8f880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff8801baa8fa60 R08: ffff8801baa60500 R09: ffffed0037eb4a00 R10: ffffed0037eb4a00 R11: ffff8801bf5a5003 R12: ffff8801d9559a80 R13: ffff8801baa8f8f8 R14: 1ffff10037551f13 R15: dffffc0000000000 FS: 00007fe61f51c7a0(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc520c61f8 CR3: 00000001be13c000 CR4: 00000000001426f0 Call Trace: RIP: 0010:locks_remove_flock+0x216/0x350 fs/locks.c:2567 Code: 00 0f 85 3a 01 00 00 48 8b 5b 98 48 85 db 74 3a e8 1f 41 92 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 17 01 00 00 48 8b 5b 08 48 85 db 74 0d e8 f2 40 locks_remove_file+0x148/0x5c0 fs/locks.c:2607 binder: 10497:10499 Acquire 1 refcount change on invalid ref 0 ret -22 __fput+0x2f0/0xa70 fs/file_table.c:271 RSP: 0018:ffff88018c677880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d ____fput+0x15/0x20 fs/file_table.c:312 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166 ---[ end trace 54752dc1eaddc5ba ]--- prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 binder: 10497:10500 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe61ec242b0 Code: 40 75 0b 31 c0 48 83 c4 08 e9 0c ff ff ff 48 8d 3d c5 32 08 00 e8 c0 07 02 00 83 3d 45 a3 2b 00 00 75 10 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ce 8a 01 00 48 89 04 24 RIP: 0010:locks_remove_flock+0x216/0x350 fs/locks.c:2567 RSP: 002b:00007fff628fc698 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 000000000239c250 RCX: 00007fe61ec242b0 RDX: 00007fff628ff8f0 RSI: 0000000000000002 RDI: 0000000000000007 RBP: 0000000000625500 R08: 00007fff629f20b0 R09: 00007fff629f2080 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff628fc770 R13: 0000000000000001 R14: 00007fff628fc704 R15: 000000000239c250 Modules linked in: ---[ end trace 54752dc1eaddc5bb ]--- RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RIP: 0010:locks_remove_flock+0x216/0x350 fs/locks.c:2567 RBP: ffff88018c677a60 R08: ffff88018f8081c0 R09: ffffed003b5e5b67 Code: 00 0f 85 3a 01 00 00 48 8b 5b 98 48 85 db 74 3a e8 1f 41 92 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 17 01 00 00 48 8b 5b 08 48 85 db 74 0d e8 f2 40 RSP: 0018:ffff88018c677880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb Code: 00 0f 85 3a 01 00 00 48 8b 5b 98 48 85 db 74 3a e8 1f 41 92 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 17 01 00 00 48 8b 5b 08 48 85 db 74 0d e8 f2 40 RBP: ffff88018c677a60 R08: ffff88018f8081c0 R09: ffffed003b5e5b67 R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801d8fe0a00 kasan: CONFIG_KASAN_INLINE enabled RSP: 0018:ffff88018c677880 EFLAGS: 00010202 kasan: GPF could be caused by NULL-ptr deref or user memory access RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801d8fe0a00 RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb R13: ffff88018c6778f8 R14: 1ffff100318cef13 R15: dffffc0000000000 RBP: ffff88018c677a60 R08: ffff88018f8081c0 R09: ffffed003b5e5b67 general protection fault: 0000 [#6] PREEMPT SMP KASAN R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801d8fe0a00 CPU: 0 PID: 10489 Comm: syz-executor4 Tainted: G D 4.20.0-rc1-next-20181107+ #107 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:locks_remove_flock+0x216/0x350 fs/locks.c:2567 Code: 00 0f 85 3a 01 00 00 48 8b 5b 98 48 85 db 74 3a e8 1f 41 92 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 17 01 00 00 48 8b 5b 08 48 85 db 74 0d e8 f2 40 R13: ffff88018c6778f8 R14: 1ffff100318cef13 R15: dffffc0000000000 RSP: 0018:ffff88018f29f880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff88018f29fa60 R08: ffff8801902da100 R09: fffffbfff1322588 R10: fffffbfff1322588 R11: ffffffff89912c43 R12: ffff8801c785d500 R13: ffff88018f29f8f8 R14: 1ffff10031e53f13 R15: dffffc0000000000 FS: 00000000015d0940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000707158 CR3: 00000001d13a2000 CR4: 00000000001426f0 Call Trace: R13: ffff88018c6778f8 R14: 1ffff100318cef13 R15: dffffc0000000000 FS: 00007fe61f51c7a0(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 FS: 0000000001424940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 locks_remove_file+0x148/0x5c0 fs/locks.c:2607 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ---[ end trace 54752dc1eaddc5bc ]--- __fput+0x2f0/0xa70 fs/file_table.c:271 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31427000 CR3: 00000001c491b000 CR4: 00000000001426e0 RIP: 0010:locks_remove_flock+0x216/0x350 fs/locks.c:2567 ____fput+0x15/0x20 fs/file_table.c:312 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 CR2: 0000001b31427000 CR3: 00000001c1ff6000 CR4: 00000000001426e0