kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access 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: 13758 Comm: udevd 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 RSP: 0018:ffff88017db87880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff88017db87a60 R08: ffff880181b88380 R09: ffffed003b5c5b67 R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: ffff8801d44e15c0 R13: ffff88017db878f8 R14: 1ffff1002fb70f13 R15: dffffc0000000000 FS: 00007f88c141d7a0(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f88c1424000 CR3: 00000001c489a000 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: 0033:0x7f88c0b252b0 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:00007ffda06bff38 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 000000000157e250 RCX: 00007f88c0b252b0 RDX: 00007ffda06c3190 RSI: 0000000000000002 RDI: 0000000000000007 RBP: 0000000000625500 R08: 00007ffda06d00b0 R09: 00007ffda06d0080 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffda06c0010 R13: 0000000000000001 R14: 00007ffda06bffa4 R15: 000000000157e250 Modules linked in: general protection fault: 0000 [#2] PREEMPT SMP KASAN CPU: 0 PID: 12779 Comm: udevd Tainted: G D 4.20.0-rc1-next-20181107+ #107 kasan: CONFIG_KASAN_INLINE enabled 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:ffff8801b7fd7880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff8801b7fd7a60 R08: ffff8801868f8040 R09: ffffed003b5c5b67 kasan: GPF could be caused by NULL-ptr deref or user memory access R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: ffff8801bb990a40 R13: ffff8801b7fd78f8 R14: 1ffff10036ffaf13 R15: dffffc0000000000 FS: 00007f88c141d7a0(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30e24000 CR3: 00000001c2582000 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: 0033:0x7f88c0b252b0 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:00007ffda06bff38 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 000000000157e250 RCX: 00007f88c0b252b0 RDX: 00007ffda06c3190 RSI: 0000000000000002 RDI: 0000000000000007 RBP: 0000000000625500 R08: 00007ffda06d00b0 R09: 00007ffda06d0080 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffda06c0010 R13: 0000000000000001 R14: 00007ffda06bffa4 R15: 000000000157e250 Modules linked in: general protection fault: 0000 [#3] PREEMPT SMP KASAN ---[ end trace 756a269b8cc37a54 ]--- CPU: 1 PID: 14093 Comm: syz-executor2 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 RIP: 0010:locks_remove_flock+0x216/0x350 fs/locks.c:2567 RSP: 0018:ffff8801878ff880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff8801878ffa60 R08: ffff8801c33f0200 R09: ffffed003926a926 R10: ffffed003926a926 R11: ffff8801c9354933 R12: ffff8801d90c0c80 R13: ffff8801878ff8f8 R14: 1ffff10030f1ff13 R15: dffffc0000000000 FS: 000000000215f940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 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 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020c00000 CR3: 00000001862d3000 CR4: 00000000001426e0 Call Trace: RSP: 0018:ffff88017db87880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff88017db87a60 R08: ffff880181b88380 R09: ffffed003b5c5b67 locks_remove_file+0x148/0x5c0 fs/locks.c:2607 R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: ffff8801d44e15c0 R13: ffff88017db878f8 R14: 1ffff1002fb70f13 R15: dffffc0000000000 __fput+0x2f0/0xa70 fs/file_table.c:271 FS: 00007f88c141d7a0(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ____fput+0x15/0x20 fs/file_table.c:312 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 kobject: 'kvm' (0000000005e87b52): kobject_uevent_env CR2: 00007fa782a02fb8 CR3: 00000001c489a000 CR4: 00000000001426f0 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:00007ffd29d525d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411021 RDX: 0000000000000000 RSI: 0000000000000caa RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000042310caa R09: 0000000042310cae R10: 00007ffd29d52500 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 00000000000009b8 R15: 0000000000000002 Modules linked in: