netlink: 11 bytes leftover after parsing attributes in process `syz-executor5'. binder: 7302:7303 ioctl c0306201 20012000 returned -22 F2FS-fs (loop4): Unrecognized mount option "resgid=0x0000000000000000<" or missing value 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 F2FS-fs (loop4): Magic Mismatch, valid(0xf2f52010) - read(0x0) CPU: 1 PID: 7296 Comm: syz-executor0 Not tainted 4.19.0-rc4-next-20180921+ #77 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__fire_sched_in_preempt_notifiers kernel/sched/core.c:2486 [inline] RIP: 0010:fire_sched_in_preempt_notifiers kernel/sched/core.c:2492 [inline] RIP: 0010:finish_task_switch+0x3a4/0x900 kernel/sched/core.c:2684 Code: 3d 04 00 00 4d 8b bc 24 50 03 00 00 4d 85 ff 0f 84 ab fe ff ff 49 bc 00 00 00 00 00 fc ff df 49 8d 7f 10 48 89 f9 48 c1 e9 03 <42> 80 3c 21 00 0f 85 da 03 00 00 49 8b 4f 10 48 89 ce 48 c1 ee 03 F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock RSP: 0018:ffff88018f176e70 EFLAGS: 00010a06 RAX: 0000000000000000 RBX: ffff8801dad2cc40 RCX: 1bd5a00000000022 RDX: 000000000000e6be RSI: ffffffff810f018e RDI: dead000000000110 RBP: ffff88018f176f58 R08: ffff88018f28e540 R09: ffffed0031f88b6c R10: ffffed0031f88b6c R11: ffff88018fc45b67 R12: dffffc0000000000 F2FS-fs (loop4): Unrecognized mount option "resgid=0x0000000000000000<" or missing value R13: ffff8801c6de6680 R14: 0000000000000000 R15: dead000000000100 FS: 00007f7a16d53700(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000072c000 CR3: 00000001c7aa8000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: context_switch kernel/sched/core.c:2833 [inline] __schedule+0x874/0x1ed0 kernel/sched/core.c:3479 preempt_schedule_irq+0x87/0x110 kernel/sched/core.c:3706 retint_kernel+0x1b/0x2d RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:761 [inline] RIP: 0010:slab_alloc_node mm/slab.c:3329 [inline] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 mm/slab.c:3661 Code: 41 7e 0f 85 32 ff ff ff e8 73 f8 3f ff e9 28 ff ff ff e8 4a e2 c2 ff 48 83 3d 02 9f b1 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 f7 RSP: 0018:ffff88018f177238 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 00000000006092c0 RCX: 1ffff10031e51dbc RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282 RBP: ffff88018f1772b0 R08: ffff88018f28ede0 R09: 0000000000000006 R10: 0000000000000000 R11: ffff88018f28e540 R12: ffff8801da802500 R13: ffff8801da802500 R14: ffff8801906e0500 R15: 0000000000000282 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node+0x33/0x70 mm/slab.c:3689 kmalloc_node include/linux/slab.h:589 [inline] kvmalloc_node+0xb9/0xf0 mm/util.c:423 kvmalloc include/linux/mm.h:577 [inline] kvzalloc include/linux/mm.h:585 [inline] __kvm_set_memory_region+0x114a/0x2c60 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1020 kvm_set_memory_region+0x2e/0x50 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1082 kvm_vm_ioctl_set_memory_region arch/x86/kvm/../../../virt/kvm/kvm_main.c:1094 [inline] kvm_vm_ioctl+0x652/0x1d60 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2986 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4574e7 Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7a16d51098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00000000004574e7 RDX: 00007f7a16d51510 RSI: 000000004020ae46 RDI: 0000000000000004 RBP: 0000000020024000 R08: 00007f7a16d510a0 R09: 000000000072bf00 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000fec00000 R13: 0000000000000004 R14: 00000000004c4ab3 R15: 0000000000000000 Modules linked in: ---[ end trace 480bb6e4aaab9a01 ]--- RIP: 0010:__fire_sched_in_preempt_notifiers kernel/sched/core.c:2486 [inline] RIP: 0010:fire_sched_in_preempt_notifiers kernel/sched/core.c:2492 [inline] RIP: 0010:finish_task_switch+0x3a4/0x900 kernel/sched/core.c:2684 kobject: 'loop4' (000000006883e7f6): kobject_uevent_env Code: 3d 04 00 00 4d 8b bc 24 50 03 00 00 4d 85 ff 0f 84 ab fe ff ff 49 bc 00 00 00 00 00 fc ff df 49 8d 7f 10 48 89 f9 48 c1 e9 03 <42> 80 3c 21 00 0f 85 da 03 00 00 49 8b 4f 10 48 89 ce 48 c1 ee 03 kobject: 'kvm' (00000000527ecf99): kobject_uevent_env RSP: 0018:ffff88018f176e70 EFLAGS: 00010a06 RAX: 0000000000000000 RBX: ffff8801dad2cc40 RCX: 1bd5a00000000022 RDX: 000000000000e6be RSI: ffffffff810f018e RDI: dead000000000110 RBP: ffff88018f176f58 R08: ffff88018f28e540 R09: ffffed0031f88b6c R10: ffffed0031f88b6c R11: ffff88018fc45b67 R12: dffffc0000000000 R13: ffff8801c6de6680 R14: 0000000000000000 R15: dead000000000100 FS: 00007f7a16d53700(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000072c000 CR3: 00000001c7aa8000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400