kasan: CONFIG_KASAN_INLINE enabled kasan: CONFIG_KASAN_INLINE enabled 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: 19096 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: GPF could be caused by NULL-ptr deref or user memory access RSP: 0018:ffff880180167880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff880180167a60 R08: ffff8801d19a00c0 R09: ffffed003b5e5b67 R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801b97b07c0 R13: ffff8801801678f8 R14: 1ffff1003002cf13 R15: dffffc0000000000 FS: 0000000001f78940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3022d000 CR3: 000000017ff7b000 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:00007fffa9a81870 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000411021 RDX: 0000000000000000 RSI: 0000000000730700 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00000000816e0516 R09: 0000000000000000 R10: 00007fffa9a817a0 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 000000000000017e R15: 0000000000000002 Modules linked in: general protection fault: 0000 [#2] PREEMPT SMP KASAN CPU: 0 PID: 19107 Comm: syz-executor3 Tainted: G D 4.20.0-rc1-next-20181107+ #107 kobject: 'kvm' (000000002ff9eb72): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kasan: GPF could be caused by NULL-ptr deref or user memory access RIP: 0010:locks_remove_flock+0x216/0x350 fs/locks.c:2567 kobject: 'kvm' (000000002ff9eb72): fill_kobj_path: path = '/devices/virtual/misc/kvm' 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:ffff88018c37f880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff88018c37fa60 R08: ffff88017e028440 R09: ffffed003b5c5b67 R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: ffff8801b7124780 R13: ffff88018c37f8f8 R14: 1ffff1003186ff13 R15: dffffc0000000000 FS: 0000000001145940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000001c39bb000 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:00007fffc9268330 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411021 RDX: 0000000000000000 RSI: 0000000000730528 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 00007fffc9268250 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000173 R15: 0000000000000003 Modules linked in: general protection fault: 0000 [#3] PREEMPT SMP KASAN kasan: CONFIG_KASAN_INLINE enabled CPU: 1 PID: 19074 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 kasan: GPF could be caused by NULL-ptr deref or user memory access 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:ffff88018b267880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff88018b267a60 R08: ffff8801cc63c1c0 R09: ffffed003b5e5b67 R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801cceef800 R13: ffff88018b2678f8 R14: 1ffff1003164cf13 R15: dffffc0000000000 FS: 0000000001eee940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004cc4d0 CR3: 0000000180f81000 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:00007ffe34753d30 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000411021 RDX: 0000000000000000 RSI: 0000000000733008 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffe34753c50 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 00000000000001c0 R15: 0000000000000004 Modules linked in: general protection fault: 0000 [#4] PREEMPT SMP KASAN kasan: CONFIG_KASAN_INLINE enabled CPU: 0 PID: 5647 Comm: udevd Tainted: G D 4.20.0-rc1-next-20181107+ #107 kasan: GPF could be caused by NULL-ptr deref or user memory access 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:ffff8801d8bd7880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff8801d8bd7a60 R08: ffff8801c9e1e180 R09: ffffed0037f6302a R10: ffffed0037f6302a R11: ffff8801bfb18153 R12: ffff8801d7c0b780 R13: ffff8801d8bd78f8 R14: 1ffff1003b17af13 R15: dffffc0000000000 FS: 00007ff65497c7a0(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc0bc27880 CR3: 00000001d8b18000 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: 0033:0x7ff6540842b0 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:00007ffc0bc24628 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000669250 RCX: 00007ff6540842b0 RDX: 00007ffc0bc27880 RSI: 0000000000000002 RDI: 0000000000000007 RBP: 0000000000625500 R08: 00007ffc0bce00b0 R09: 00007ffc0bce0080 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc0bc24700 R13: 0000000000000001 R14: 00007ffc0bc24694 R15: 0000000000669250 Modules linked in: general protection fault: 0000 [#5] PREEMPT SMP KASAN ---[ end trace 7d0f33f22236a9b3 ]--- CPU: 1 PID: 19108 Comm: syz-executor0 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:ffff88017c6af880 EFLAGS: 00010202 RIP: 0010:locks_remove_flock+0x216/0x350 fs/locks.c:2567 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff88017c6afa60 R08: ffff88017ebba340 R09: ffffed0037f6302a R10: ffffed0037f6302a R11: ffff8801bfb18153 R12: ffff8801c85287c0 R13: ffff88017c6af8f8 R14: 1ffff1002f8d5f13 R15: dffffc0000000000 FS: 000000000270a940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000728000 CR3: 00000001d93fb000 CR4: 00000000001426e0 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 Call Trace: RSP: 0018:ffff880180167880 EFLAGS: 00010202 locks_remove_file+0x148/0x5c0 fs/locks.c:2607 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb __fput+0x2f0/0xa70 fs/file_table.c:271 RBP: ffff880180167a60 R08: ffff8801d19a00c0 R09: ffffed003b5e5b67 R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801b97b07c0 ____fput+0x15/0x20 fs/file_table.c:312 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 R13: ffff8801801678f8 R14: 1ffff1003002cf13 R15: dffffc0000000000 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 FS: 0000000001145940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411021 CR2: 00007ff654982000 CR3: 00000001c39bb000 CR4: 00000000001426f0 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:00007fff1ef05350 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000411021 RDX: 0000000000000000 RSI: 0000000000730518 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000